Gravity energy storage system

Abstract

The present application relates to the field of gravity energy storage technology, specifically, to a gravity energy storage system, a vertical transportation module, a heavy object transfer module, a heavy object storage module and a heavy object block, wherein the heavy object storage module includes an upper storage unit and a lower storage unit, and the vertical transportation module includes a conveying unit and a support unit, wherein the conveying unit is used to drive the support unit to move in the vertical direction to convey the heavy object block in the vertical direction, and the heavy object transfer module is used to remove the heavy object block conveyed by the support unit and send it to the heavy object storage module, and the heavy object transfer module is also used to send the heavy object block on the heavy object storage module to the support unit moving in the vertical direction to realize the transportation of the heavy object block between the upper storage unit and the lower storage unit. The purpose of this application is to provide a gravity energy storage system in response to at least one technical problem involved in the background technology.

Description

Technical Field

[0001] The present application relates to the field of gravity energy storage technology, and in particular to a gravity energy storage system. Background Art

[0002] Currently, the more mature energy storage technologies include battery storage, pumped hydro storage, and compressed air storage. These systems primarily provide peak load and frequency regulation for renewable energy, avoiding energy waste caused by a mismatch between renewable energy generation resources and power loads. Gravity energy storage utilizes surplus energy to impart potential energy to objects of a certain mass and stores it, thereby storing energy. This potential energy can then be released and converted back into electricity and other energy sources. Gravity energy storage, with its advantages of low cost per kilowatt-hour and flexible site selection, has gradually gained attention in the energy storage field and has been applied to a certain extent. However, existing gravity energy storage technologies suffer from low efficiency in transporting heavy objects, resulting in low energy conversion rates. Summary of the Invention

[0003] The purpose of this application is to provide a gravity energy storage system to address at least one technical problem involved in the background technology.

[0004] In order to achieve the above objectives, this application adopts the following technical solutions:

[0005] The present application provides a gravity energy storage system, a vertical transportation module, a heavy object transfer module, a heavy object storage module and a heavy object block, wherein the heavy object storage module includes an upper storage unit and a lower storage unit.

[0006] The vertical transport module includes a conveying unit and a supporting unit, wherein the conveying unit is used to drive the supporting unit to move in a vertical direction so as to convey the heavy object in the vertical direction.

[0007] The heavy object transfer module is used to remove the heavy object blocks transported by the support unit and send them to the heavy object storage module. The heavy object transfer module is also used to send the heavy object blocks on the heavy object storage module to the support unit moving in the vertical direction, so as to realize the transportation of the heavy object blocks between the upper storage unit and the lower storage unit.

[0008] Optionally, the conveying unit includes a first frame and a flexible transmission member installed on the first frame, the length direction of the flexible transmission member is parallel to the vertical direction, the flexible transmission member is used to circulate on the first frame, and the supporting unit is fixed to the flexible transmission member.

[0009] Optionally, the conveying unit includes two flexible transmission members, and the vertical transport module includes multiple support units. At least one support unit is installed on each of the two flexible transmission members, and the support unit on one flexible transmission member is used to cooperate with the support unit on the other flexible transmission member to support heavy objects.

[0010] Optionally, the moving trajectory of the flexible transmission member on the first frame includes two straight line segments extending in the vertical direction, the two straight line segments of the moving trajectory of one flexible transmission member are respectively a first straight line segment and a second straight line segment, and the two straight line segments of the moving trajectory of the other flexible transmission member are respectively a third straight line segment and a fourth straight line segment, the first straight line segment, the second straight line segment, the third straight line segment and the fourth straight line segment are arranged in sequence in the first direction, the circumferential direction of one flexible transmission member on the first frame is opposite to the circumferential direction of the other flexible transmission member, so that the support unit on the second straight line segment and the support unit on the third straight line segment move synchronously and in the same direction, the first direction is parallel to the direction in which the vertical transport module, the heavy object transfer module and the heavy object storage module are arranged in sequence, and the first direction is parallel to the horizontal direction.

[0011] Optionally, the portion of one of the flexible transmission members located in the second straight segment is in transmission cooperation with the portion of another of the flexible transmission members located in the third straight segment.

[0012] Optionally, a guide groove is formed on the first frame, the flexible transmission member is located in the guide groove, and the flexible transmission member is in rolling engagement with an inner wall of the guide groove.

[0013] Optionally, the gravity energy storage system provided in the present application includes two vertical transport modules, which are arranged in a mirror-symmetrical manner in the second direction, and each of the support units is located between the two conveying units in the second direction. The second direction is perpendicular to the first direction, and the second direction is parallel to the horizontal direction.

[0014] Optionally, the gravity energy storage system provided in the present application also includes a second frame, and the heavy object transfer module and the heavy object storage module are both installed on the second frame. The heavy object transfer module includes an upper transfer unit, and the upper transfer unit includes a first horizontal moving component, a first horizontal guide rail, a vertical lifting component and a first horizontal conveying component installed on the vertical lifting component. The vertical lifting component is used to drive the first horizontal conveying component to move in the vertical direction. The first horizontal guide rail is installed on the second frame. The bottom end of the vertical lifting component rolls with the first horizontal guide rail in the first direction. The first horizontal moving component is used to drive the vertical lifting component and the first horizontal conveying component to move along the first horizontal guide rail in the first direction. The first direction is parallel to the direction in which the vertical transport module, the heavy object transfer module and the heavy object storage module are arranged in sequence, and the first direction is parallel to the horizontal direction.

[0015] Optionally, the heavy object transfer module also includes a lower-level transfer unit, which includes a second horizontal guide rail and a second transverse conveying assembly. The second horizontal guide rail is installed on the second frame, and the bottom end of the second transverse conveying assembly rolls with the second horizontal guide rail in the first direction.

[0016] Optionally, the heavy object transfer module includes a plurality of upper transfer units and a plurality of lower transfer units arranged in a vertical direction, each of the upper transfer units is located above each of the lower transfer units, and the number of the upper transfer units is the same as the number of the lower transfer units; the heavy object storage module includes a plurality of upper storage units and a plurality of lower storage units arranged in a vertical direction, each of the upper storage units is located above each of the lower storage units, each of the upper transfer units and each of the upper storage units is used to transfer the heavy object blocks in a first direction in a one-to-one manner, and each of the lower transfer units and each of the lower storage units is used to transfer the heavy object blocks in a one-to-one manner, and the first direction is parallel to the direction in which the vertical transport module, the heavy object transfer module and the heavy object storage module are arranged in sequence, and the first direction is parallel to the horizontal direction.

[0017] The technical solution provided by this application can achieve at least one of the following beneficial effects:

[0018] The gravity energy storage system provided in the present application removes the heavy blocks from the support unit through the heavy block transfer module, and also sends the heavy blocks on the heavy block storage module to the support unit moving in the vertical direction through the heavy block transfer module, thereby achieving the purpose of transporting the heavy blocks between the upper storage unit and the lower storage unit. In the process of taking the heavy blocks from the vertical transport module and in the process of placing the heavy blocks on the vertical transport module, there is no need to slow down or stop the operation and movement of the vertical transport module, thereby obtaining a higher heavy block transportation efficiency, improving the energy conversion efficiency, and facilitating stable power generation of the power generation system.

[0019] The additional technical features and advantages of this application will be more clearly explained in the following description, or can be understood through the specific practice of this application. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] To more clearly illustrate the technical solutions of the specific embodiments of this application, the following briefly introduces the drawings required for describing the specific embodiments. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be derived from these drawings without inventive effort.

[0021] Figure 1 A partial three-dimensional structural diagram of an embodiment of a gravity energy storage system provided in an embodiment of the present application;

[0022] Figure 2 A partial front view structural diagram of an implementation scheme of a gravity energy storage system provided in an embodiment of the present application;

[0023] Figure 3 A partial front structural diagram of an implementation scheme of a vertical transport module provided in an embodiment of the present application;

[0024] Figure 4 for Figure 3 Schematic diagram of the local enlarged structure at A in the middle;

[0025] Figure 5 A partial top view schematic diagram of an embodiment of a gravity energy storage system provided in an embodiment of the present application;

[0026] Figure 6 A schematic diagram of the three-dimensional structure of an embodiment of the gravity energy storage system provided in the embodiment of the present application.

[0027] Reference numerals:

[0028] 01. Vertical transport module; 02. Upper transfer unit;

[0029] 03. Heavy objects; 04. Upper storage unit;

[0030] 05. Lower transfer unit; 06. Lower storage unit;

[0031] 07. Flexible transmission member; 08. First frame;

[0032] 09. First transverse conveying assembly; 10. Vertical lifting assembly;

[0033] 11. First horizontal guide rail; 12. Support unit;

[0034] 13. Second transverse conveying assembly; 14. Driving wheel;

[0035] 15. Second frame; 16. First straight line segment;

[0036] 17. Fourth straight line segment; 18. Third straight line segment;

[0037] 19. Second straight line segment; 20. Driven transmission wheel. DETAILED DESCRIPTION

[0038] The following will clearly and completely describe the technical solution of this application in conjunction with the accompanying drawings. Obviously, the embodiments described are only part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of this application.

[0039] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this application and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0040] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0041] like Figures 1 to 6As shown, when the existing gravity energy storage system is implemented, the device for vertically transporting the heavy block 03 often needs to slow down or stop moving when grabbing and putting down the heavy block 03 in order to accurately position it. After grabbing the heavy block 03 or putting down the heavy block 03, it needs to speed up or start moving again, which results in a low transportation efficiency of the heavy block 03, and then leads to a low energy conversion rate, which is not conducive to stable power generation of the power generation system.

[0042] The present application provides a gravity energy storage system, comprising a vertical transport module 01, a heavy object transfer module, a heavy object storage module and a heavy object block 03. The heavy object storage module comprises an upper storage unit 04 and a lower storage unit 06.

[0043] The vertical transport module 01 includes a conveying unit and a supporting unit 12. The conveying unit is used to drive the supporting unit 12 to move in the vertical direction to transport the heavy object 03 in the vertical direction.

[0044] The heavy object transfer module is used to remove the heavy object block 03 transported through the support unit 12 and send it to the heavy object storage module. The heavy object transfer module is also used to send the heavy object block 03 on the heavy object storage module to the support unit 12 moving in the vertical direction, so as to realize the transportation of the heavy object block 03 between the upper storage unit 04 and the lower storage unit 06.

[0045] It can be understood that the upper storage unit 04 is located above the lower storage unit 06 .

[0046] The gravity energy storage system provided in the present application removes the heavy object blocks 03 from the support unit 12 through the heavy object transfer module, and also sends the heavy object blocks 03 on the heavy object storage module to the support unit 12 moving in the vertical direction through the heavy object transfer module, thereby achieving the purpose of transporting the heavy object blocks 03 between the upper storage unit 04 and the lower storage unit 06. In the process of taking the heavy object blocks 03 from the vertical transport module 01 and in the process of placing the heavy object blocks 03 on the vertical transport module 01, there is no need to slow down or stop the operation and movement of the vertical transport module 01, thereby obtaining a higher heavy object block 03 transportation efficiency, improving energy conversion efficiency, and facilitating stable power generation of the power generation system.

[0047] Optionally, the conveying unit includes a first frame 08 and a flexible transmission member 07 mounted on the first frame 08. The length of the flexible transmission member 07 is parallel to the vertical direction. The flexible transmission member 07 is configured to circulate around the first frame 08, and the support unit 12 is fixed to the flexible transmission member 07. This enables vertical movement of the support unit 12, thereby enabling vertical movement of the weight block 03 mounted on the support unit 12. In this embodiment of the present application, the flexible transmission member 07 is a transmission chain or a conveyor belt. Accordingly, a chain drive or a belt drive is implemented in the vertical direction, and the transmission direction of the chain drive or the belt drive is changed by changing the rotation direction of the driving member. The circulation includes clockwise and counterclockwise transmission.

[0048] Optionally, the conveying unit includes two flexible transmission members 07, and the vertical transport module 01 includes a plurality of support units 12, with at least one support unit 12 mounted on each of the two flexible transmission members 07. The support unit 12 on one flexible transmission member 07 is configured to cooperate with the support unit 12 on the other flexible transmission member 07 to support the weight block 03. By combining the two support units 12, respectively located on the two flexible transmission members 07, to form a support pair to support the weight block 03, the stability and reliability of transporting the weight block 03 can be improved. Of course, each support unit 12 on the two flexible transmission members 07 can also independently support the weight block 03.

[0049] like Figure 3As shown, optionally, the moving trajectory of the flexible transmission member 07 on the first frame 08 includes two straight line segments extending in the vertical direction, the two straight line segments of the moving trajectory of one flexible transmission member 07 are respectively a first straight line segment 16 and a second straight line segment 19, and the two straight line segments of the moving trajectory of the other flexible transmission member 07 are respectively a third straight line segment 18 and a fourth straight line segment 17, the first straight line segment 16, the second straight line segment 19, the third straight line segment 18 and the fourth straight line segment 17 are arranged in sequence in the first direction, the circumferential direction of one flexible transmission member 07 on the first frame 08 is opposite to the circumferential direction of the other flexible transmission member 07, so that the support unit 12 on the second straight line segment 19 and the support unit 12 on the third straight line segment 18 move synchronously and in the same direction, the first direction is parallel to the direction in which the vertical transport module 01, the heavy object transfer module and the heavy object storage module are arranged in sequence, and the first direction is parallel to the horizontal direction. It is understood that when multiple support units 12 are mounted on both flexible transmission members 07, multiple support pairs can be formed at the positions of the first straight segment 16 and the second straight segment 19. The support units 12 on the first straight segment 16 and the support units 12 on the fourth straight segment 17 also move synchronously and in the same direction. Of course, it is also possible to arrange the two flexible transmission members 07 opposite each other on the first frame 08, with the two flexible transmission members 07 circling in the same direction, so that the support units 12 on the two flexible transmission members 07 move synchronously and in the same direction.

[0050] Optionally, the portion of one flexible transmission member 07 located on the second straight segment 19 is in transmission coordination with the portion of the other flexible transmission member 07 located on the third straight segment 18. This makes it easier for the two flexible transmission members 07 to move at the same speed, thereby improving the synchronization of the support units 12 located on the two flexible transmission members 07 and enhancing the stability of transporting the heavy object 03. In this embodiment of the present application, multiple teeth can be evenly distributed on the outer edge of the flexible transmission member 07, and the two flexible transmission members 07 can achieve transmission coordination through the meshing of the teeth. Alternatively, multiple evenly distributed hooks can be installed on the outer edge of one flexible transmission member 07, and multiple evenly distributed hanging loops can be installed on the outer edge of the other flexible transmission member 07. When in the second straight segment 19 and the third straight segment 18, the hooks and hanging loops cooperate. When located outside the second straight segment 19 and the third straight segment 18, the hooks and hanging loops separate. Of course, the two flexible transmission members 07 can also cooperate with the driving member separately, rather than with each other, to achieve relatively independent movement.

[0051] Optionally, a guide groove is formed on the first frame 08, and the flexible transmission member 07 is located in the guide groove, and the flexible transmission member 07 is in rolling engagement with the inner wall of the guide groove. By providing a guide groove to guide the flexible transmission member 07, the stability of the movement of the flexible transmission member 07 can be improved, thereby improving the stability and safety of heavy object transportation. In the embodiment of the present application, the flexible transmission member 07 can be mounted on the first frame 08 via a transmission shaft, and the flexible transmission member 07 is supported by the transmission shaft. In the embodiment of the present application, preferably, transmission teeth are formed on the inner edge of the flexible transmission member 07, and the gravity energy storage system also includes a transmission wheel, which is embedded in the first frame 08, and an opening is provided on the inner wall of the guide groove so that the transmission wheel can pass through the opening to engage with the upper side of the inner edge of the flexible transmission member 07 for transmission, and the transmission wheel is connected to the driving member. The transmission wheel is divided into an active transmission wheel 14 and a driven transmission wheel 20, and the active transmission wheel 14 is located above the driven transmission wheel 20. The driving member can be a motor or a generator.

[0052] like Figure 5 As shown, optionally, the gravity energy storage system provided in the embodiment of the present application includes two vertical transport modules 01, and the two vertical transport modules 01 are arranged in a mirror-symmetrical manner in the second direction. In the second direction, each of the support units 12 is located between the two conveying units, and the second direction is perpendicular to the first direction, and the second direction is parallel to the horizontal direction. In other words, the gravity energy storage system provided by the present application can realize that the same heavy object 03 can be supported and conveyed by two support units 12 installed on one conveying unit and two support units 12 installed on another conveying unit at the same time, further improving the stability and safety of supporting and transporting the heavy object 03. In the embodiment of the present application, preferably, the active transmission wheels 14 of the two vertical transport modules 01 are coaxially connected, and the driven transmission wheels 20 of the two vertical transport modules 01 are coaxially connected, so as to rotate synchronously, so that each flexible transmission member 07 moves synchronously.

[0053] like Figure 2As shown, optionally, the gravity energy storage system provided in the embodiment of the present application also includes a second frame 15, and the heavy object transfer module and the heavy object storage module are both installed on the second frame 15, and the heavy object transfer module includes an upper transfer unit 02, and the upper transfer unit 02 includes a first horizontal moving component, a first horizontal guide rail 11, a vertical lifting component 10 and a first horizontal conveying component 09 installed on the vertical lifting component 10, the vertical lifting component 10 is used to drive the first horizontal conveying component 09 to move in the vertical direction, the first horizontal guide rail 11 is installed on the second frame 15, the bottom end of the vertical lifting component 10 rolls with the first horizontal guide rail 11 in the first direction, the first horizontal moving component is used to drive the vertical lifting component 10 and the first horizontal conveying component 09 to move along the first horizontal guide rail 11 in the first direction, the first direction is parallel to the direction in which the vertical transport module 01, the heavy object transfer module and the heavy object storage module are arranged in sequence, and the first direction is parallel to the horizontal direction. In the energy storage stage, the conveying unit drives the support unit 12 and the weight block 03 on the support unit 12 to gradually rise. When the weight block 03 rises to a position corresponding to the position of the first horizontal conveying component 09, the first horizontal moving component is controlled to carry the vertical lifting component 10 and the first horizontal conveying component 09 to move along the first horizontal guide rail 11 to the vertical transport module 01. When the first horizontal conveying component moves below the weight block 03, the lifting component is controlled to lift the first horizontal conveying component 09. The lifting speed of the lifting component is greater than the lifting speed of the support unit 12. When the weight block 03 is lifted a certain distance above the support unit 12, the first horizontal moving component is controlled to carry the vertical lifting component 10, the first horizontal conveying component 09 and the weight block 03 to the preset horizontal position along the first horizontal guide rail 11 to the weight storage module. The vertical lifting component 10 is controlled to lower the first horizontal conveying component 09 and the weight block 03 to the preset height, and the first horizontal conveying component is started. The conveying component 09 transfers the heavy object block 03 to the heavy object storage module; in the energy release stage, the heavy object storage module moves the heavy object block 03 to the first horizontal conveying component 09, and controls the vertical lifting component 10 to raise the first horizontal conveying component 09 and the heavy object block 03 to a certain height. When the support unit 12 moves downward to a position corresponding to the height of the first horizontal conveying component 09, the first horizontal moving component is controlled to move the heavy object block 03 horizontally to the top of the support unit 12, and the vertical lifting component 10 is controlled to drive the first horizontal conveying component 09 and the heavy object block 03 to descend. The descending speed of the lifting component 10 is greater than the descending speed of the support unit 12. When the heavy object block 03 contacts the support unit 12, the first horizontal conveying component 09 is separated from the heavy object block 03. When the first horizontal conveying component 09 descends to a preset height, the first horizontal moving component is controlled to move the vertical lifting component 10 and the first horizontal conveying component 09 to a preset horizontal position close to the heavy object storage module.

[0054] Optionally, the heavy object transfer module also includes a lower transfer unit 05, and the lower transfer unit 05 includes a second horizontal moving component, a second horizontal guide rail, and a second transverse conveying component 13. The second horizontal guide rail is installed on the second frame 15, and the bottom end of the second transverse conveying component 13 rolls with the second horizontal guide rail in the first direction. The second horizontal moving component is used to drive the second transverse conveying component to move along the second horizontal guide rail in the first direction. In the energy storage stage, the heavy object storage module transports the heavy object block 03 to the second transverse conveying component 13, controls the second horizontal moving component to carry the second transverse conveying component 13 and the heavy object block 03 to move along the second horizontal guide rail toward the vertical transport module 01, and moves the heavy object block 03 to the top of the rising support unit 12. The support unit 12 rises until it contacts the heavy object block 03, and then lifts the heavy object block 03 and gradually rises. The heavy object block 03 rises to a height corresponding to the upper storage unit 04, and the upper transfer unit 02 takes the heavy object block 03 away for storage; in the energy release stage , control the second horizontal moving assembly to move the unloaded second transverse conveying assembly 13 along the second horizontal guide track toward the vertical transport module 01, and move the unloaded second transverse conveying assembly 13 to the bottom of the heavy object block 03 that gradually descends along with the support unit 12. After the heavy object block 03 contacts the second transverse conveying assembly 13 and separates from the support unit 12, control the second horizontal moving assembly to move the second transverse conveying assembly 13 toward a preset horizontal position close to the heavy object storage module. The second transverse conveying assembly 13 starts to transfer the heavy object block 03 to the heavy object storage module. Of course, in the embodiment of the present application, the lower transfer unit 05 can also adopt the same structural form as the upper transfer unit 02.

[0055] In the embodiment of the present application, preferably, the first transverse conveying assembly 09 and the second transverse conveying assembly 13 both use roller conveyors or conveyor belts, and the vertical lifting assembly 10 is a scissor lift; preferably, the upper storage unit 04 and the lower storage unit 06 both use roller conveyors or conveyor belts, and the heavy objects 03 are transferred between the upper storage unit 04 and the upper transfer unit 02, and between the lower storage unit 06 and the lower transfer unit 05. In the embodiment of the present application, the first horizontal moving assembly and the second horizontal moving assembly both preferably include a lead screw and a rack and pinion.

[0056] It can be understood that when the gravity energy storage system provided by the present application includes two vertical transport modules 01, the distance between the two vertical transport modules 01 in the second direction (it can also be said that the distance between the support unit 12 of one vertical transport module 01 and the support unit 12 of another vertical transport module 01 in the second direction) is greater than the size of the upper transfer unit 02 in the second direction, and is also greater than the size of the lower transfer unit 05 in the second direction, and at the same time, is smaller than the size of the heavy object 03 in the second direction, and then when the upper transfer unit 02 is located between the two vertical transport modules 01, and the lower transfer unit 05 is located between the two vertical transport modules 01, the distance between the two vertical transport modules 01 and the support unit 12 of the other vertical transport module 01 in the second direction is greater than the size of the upper transfer unit 02 in the second direction, and is also greater than the size of the lower transfer unit 05 in the second direction, and is smaller than the size of the heavy object 03 in the second direction. When the transport unit 05 is located between the two vertical transport modules 01, it is not easy to interfere with the movement of the support unit 12, and the two ends of the heavy block 03 in the second direction can be smoothly supported by the support units 12 of the two vertical transport modules 01 respectively; when the gravity energy storage system provided by this application only adopts one vertical transport module 01, the support unit 12 can be made into an E-shaped structure, and the first horizontal transport component 09 and the second horizontal transport component 13 can both be provided with an E-shaped part, and the E-shaped structure of the support unit 12 and the E-shaped part can be staggered in the vertical direction to realize the transfer of the heavy block 03.

[0057] Optionally, the heavy object transfer module includes a plurality of upper transfer units 02 and a plurality of lower transfer units 05, all of which are arranged in a vertical direction, each of the upper transfer units 02 is located above each of the lower transfer units 05, and the number of the upper transfer units 02 is the same as the number of the lower transfer units 05. The heavy object storage module includes a plurality of upper storage units 04 and a plurality of lower storage units 06, all of which are arranged in a vertical direction, each of the upper storage units 04 is located above each of the lower storage units 06. Each of the upper transfer units 02 and each of the upper storage units 04 is used to transfer the heavy object blocks 03 in a first direction in a one-to-one manner, and each of the lower transfer units 05 and each of the lower storage units 06 is used to transfer the heavy object blocks 03 in a one-to-one manner in the first direction. The first direction is parallel to the direction in which the vertical transport module 01, the heavy object transfer module and the heavy object storage module are arranged in sequence, and the first direction is parallel to the horizontal direction. In this way, when in the embodiment of the present application, the vertical transport module 01 includes multiple support units 12, multiple heavy object blocks 03 can be transferred at one time between the vertical transport module 01 and the heavy object transfer module, and between the heavy object transfer module and the heavy object storage module. Specifically, the number of support units 12 on the same flexible transmission member 07 is preferably not less than the number of upper-level transfer units 02, so that when each heavy object block 03 is transferred between each upper-level transfer unit 02 and the vertical transport module 01, each upper-level transfer unit 02 has a corresponding support unit 12 to transfer the heavy object block 03 between the upper-level transfer unit 02; similarly, the number of support units 12 on the same flexible transmission member 07 is preferably not less than the number of lower-level transfer units 05, so that when each heavy object block 03 is transferred between each lower-level transfer unit 05 and the vertical transport module 01, each lower-level transfer unit 05 has a corresponding support unit 12 to transfer the heavy object block 03 between the lower-level transfer unit 05.

[0058] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some or all of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims

1. Gravity energy storage system, characterized in that, A vertical transport module, a heavy object transfer module, a heavy object storage module and a heavy object block, wherein the heavy object storage module includes an upper storage unit and a lower storage unit. The vertical transport module includes a conveying unit and a supporting unit, wherein the conveying unit is used to drive the supporting unit to move in a vertical direction to transport the heavy object in the vertical direction. The heavy object transfer module is used to remove the heavy object blocks transported by the support unit and send them to the heavy object storage module. The heavy object transfer module is also used to send the heavy object blocks on the heavy object storage module to the support unit moving in the vertical direction, so as to realize the transportation of the heavy object blocks between the upper storage unit and the lower storage unit. The gravity energy storage system also includes a second frame, the heavy object transfer module and the heavy object storage module are both installed on the second frame, the heavy object transfer module includes an upper transfer unit, the upper transfer unit includes a first horizontal moving component, a first horizontal guide rail, a vertical lifting component and a first transverse conveying component installed on the vertical lifting component, the vertical lifting component is used to drive the first transverse conveying component to move in the vertical direction, the first horizontal guide rail is installed on the second frame, the bottom end of the vertical lifting component rolls with the first horizontal guide rail in the first direction, the first horizontal moving component is used to drive the vertical lifting component and the first transverse conveying component to move along the first horizontal guide rail in the first direction, the first direction is parallel to the direction in which the vertical transport module, the heavy object transfer module and the heavy object storage module are arranged in sequence, and the first direction is parallel to the horizontal direction; The heavy object transfer module also includes a lower-level transfer unit, which includes a second horizontal moving component, a second horizontal guide rail and a second transverse conveying component. The second horizontal guide rail is installed on the second frame, and the bottom end of the second transverse conveying component rolls with the second horizontal guide rail in the first direction. The second horizontal moving component is used to drive the second transverse conveying component to move along the second horizontal guide rail in the first direction.

2. The gravity energy storage system according to claim 1, characterized in that: The conveying unit includes a first frame and a flexible transmission member installed on the first frame. The length direction of the flexible transmission member is parallel to the vertical direction. The flexible transmission member is used to circulate on the first frame. The supporting unit is fixed to the flexible transmission member.

3. The gravity energy storage system according to claim 2, characterized in that: The conveying unit includes two flexible transmission members, and the vertical transport module includes multiple support units. At least one support unit is installed on each of the two flexible transmission members. The support unit on one flexible transmission member is used to cooperate with the support unit on the other flexible transmission member to support heavy objects.

4. The gravity energy storage system according to claim 3, characterized in that: The moving trajectory of the flexible transmission member on the first frame includes two straight line segments extending in the vertical direction, the two straight line segments of the moving trajectory of one flexible transmission member are respectively the first straight line segment and the second straight line segment, the two straight line segments of the moving trajectory of the other flexible transmission member are respectively the third straight line segment and the fourth straight line segment, the first straight line segment, the second straight line segment, the third straight line segment and the fourth straight line segment are arranged in sequence in the first direction, the circumferential direction of one flexible transmission member on the first frame is opposite to the circumferential direction of the other flexible transmission member, so that the support unit on the second straight line segment and the support unit on the third straight line segment move synchronously and in the same direction, the first direction is parallel to the direction in which the vertical transport module, the heavy object transfer module and the heavy object storage module are arranged in sequence, and the first direction is parallel to the horizontal direction.

5. The gravity energy storage system according to claim 4, characterized in that: The portion of one of the flexible transmission members located on the second straight segment is in transmission cooperation with the portion of the other flexible transmission member located on the third straight segment.

6. The gravity energy storage system according to claim 4, characterized in that: A guide groove is formed on the first frame, the flexible transmission member is located in the guide groove, and the flexible transmission member is in rolling engagement with an inner wall of the guide groove.

7. The gravity energy storage system according to claim 4, characterized in that: It comprises two vertical transport modules, which are arranged in mirror symmetry in a second direction. In the second direction, each support unit is located between two conveying units. The second direction is perpendicular to the first direction and parallel to the horizontal direction.

8. The gravity energy storage system according to any one of claims 1 to 7, characterized in that: The heavy object transfer module includes a plurality of upper transfer units and a plurality of lower transfer units arranged in a vertical direction, each of the upper transfer units is located above each of the lower transfer units, and the number of the upper transfer units is the same as the number of the lower transfer units. The heavy object storage module includes a plurality of upper storage units and a plurality of lower storage units arranged in a vertical direction, each of the upper storage units is located above each of the lower storage units, each of the upper transfer units and each of the upper storage units is used to transmit the heavy object blocks in a first direction in a one-to-one manner, and each of the lower transfer units and each of the lower storage units is used to transmit the heavy object blocks in a one-to-one manner, and the first direction is parallel to the direction in which the vertical transport module, the heavy object transfer module and the heavy object storage module are arranged in sequence, and the first direction is parallel to the horizontal direction.

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