Spiral gravity energy storage structure

Abstract

The utility model discloses a spiral gravity energy storage structure which comprises a cylindrical body, an ascending track, a power generation system and a kinetic energy recovery device. At least one vertical shaft is arranged in the cylindrical main body; the power generation system comprises a plurality of power generation units arranged above the vertical shaft, and a kinetic energy recovery device is arranged at the bottom of the vertical shaft. The ascending track spirally surrounds the outer side of the cylindrical main body; the cylindrical main body is provided with a conveying-in door at the tail end of the top of the ascending track; and at least one conveying-out door is arranged at the bottom of the cylindrical main body. According to the utility model, a construction framework that the spiral ascending track surrounds the cylindrical main body is integrally adopted, all structures are integrated in the cylindrical main body structure, the support on a mountain is not needed, the gravity energy storage is realized, the occupied area is small, the site space utilization rate is improved, and meanwhile, the problem that the structure is difficult to expand due to natural mountain factors is also avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of gravity energy storage, in particular to a spiral gravity energy storage structure. Background Art

[0002] Gravity energy storage is achieved by utilizing the natural terrain height difference to transport heavy objects from low places to high places. At this time, the electrical energy is converted into gravitational potential energy and stored. During power generation conditions, heavy objects are transported from high places to low places, and the gravitational potential energy is converted into electrical energy.

[0003] At present, solid gravity energy storage is generally based on mountains, and slope solid gravity energy storage based on mountains is subject to greater restrictions on construction conditions, requiring a certain mountain terrain, a large project area, low land utilization rate, and limited site selection conditions. In areas without suitable mountains, slope solid gravity energy storage based on mountains is difficult to achieve, and gravity energy storage based on natural mountains is difficult to expand construction project components according to actual needs, and there are many limiting factors. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a spiral gravity energy storage structure, which transports solid heavy blocks along the spiral structure from the bottom unloading yard to the top loading yard through tracks, and stores the heavy blocks. During power generation, the heavy blocks are dropped to the bottom one by one, and the wire rope drives the generator to operate, releasing gravitational potential energy and converting it into electrical energy for power generation.

[0005] The utility model provides a spiral gravity energy storage structure, and the specific technical scheme is as follows:

[0006] It includes a cylindrical body, an ascending track, a power generation system and a kinetic energy recovery device;

[0007] At least one vertical shaft is provided inside the cylindrical body; the power generation system comprises a plurality of power generation units, the power generation units are provided above the vertical shaft, and the kinetic energy recovery device is provided at the bottom of the vertical shaft;

[0008] The ascending track spirally surrounds the outer side of the cylindrical body;

[0009] The cylindrical body is provided with a transport door at the top tail end of the ascending track, and the bottom of the cylindrical body is provided with at least one transport door.

[0010] Furthermore, a material discharge yard is provided at the bottom of the cylindrical body, the bottom of the kinetic energy recovery device is placed in the material discharge yard, and the transport door is connected to the material discharge yard.

[0011] Furthermore, it also includes a bottom platform, and the outer edge of the bottom platform is provided with at least one ramp.

[0012] Furthermore, the transport door faces the other side of the bottom layer of the ascending track relative to the cylindrical body.

[0013] Furthermore, the top tail end of the ascending track is also connected to a parallel buffer track, and the cylindrical body is provided with a plurality of transport doors on the side of the buffer track.

[0014] Furthermore, a plurality of vertical shafts are provided in the cylindrical body, and the vertical shafts are arranged around the axis of the cylindrical body.

[0015] Further, the kinetic energy recovery device includes an elevator car, a self-locking mechanism, an unlocking device, and an energy recovery unit;

[0016] The energy recovery unit is arranged in the shaft, and the power generation system is connected to the energy recovery unit;

[0017] The energy recovery unit comprises a bottom plate and a kinetic energy spring. The bottom plate is a U-shaped structure with an opening facing downward. The elevator box is placed above the bottom plate. A clamping space is provided between the two sides of the elevator box and the wall surface of the shaft. The kinetic energy spring is provided below the bottom plate and is fixedly connected to the bottom plate. The bottom of the shaft is located below one side of the wall surface, and a gap is provided at the bottom of the corresponding unloading yard for accommodating the bottom plate.

[0018] The self-locking mechanism comprises a self-locking slider and a self-locking spring, wherein the self-locking slider is connected to the self-locking spring;

[0019] The unlocking device is arranged on the bottom plate and is placed on two sides of the bottom of the elevator box opposite to the wall surface of the shaft.

[0020] Furthermore, the unlocking device is two electromagnetic sliders, which are flush with the wall surface of the shaft after being extended.

[0021] Furthermore, a limit block is provided on the inner wall surface of the bottom plate, and the kinetic energy spring is sleeved on the limit block.

[0022] Furthermore, one end of the self-locking slider is a wedge-shaped structure with the inclined surface facing upward, the top of the wedge-shaped structure is a plane, the self-locking spring is sleeved on the self-locking slider, and one end of the self-locking spring is connected to the self-locking slider.

[0023] The beneficial effects of the utility model are as follows:

[0024] 1. The utility model adopts a spiral ascending track to surround the cylindrical main body of the construction framework, and all structures are integrated inside the cylindrical main body structure. It does not need to rely on the mountain, occupies a small area, improves the space utilization rate of the site, and avoids the problem of structural expansion difficulties caused by natural mountain factors.

[0025] 2. The ascending track is spirally arranged around the cylindrical body, and a spiral curved slope is used to transport heavy objects to the loading yard. In the energy storage condition, the upward slope transportation method reduces the torque of the upward transportation, and can transport heavier or more heavy objects at one time; in practice, this architecture can adapt to the fluctuation of power load by adjusting the number and speed of heavy objects transported upward;

[0026] The shaft is vertically arranged inside the cylindrical body. When generating electricity, the weight block falls vertically, which reduces the horizontal energy loss of the weight block when it descends along the slope and improves the energy utilization rate and energy storage conversion efficiency.

[0027] 3. The kinetic energy recovery device recovers and converts the kinetic energy of the weight block by using a mechanical spring. In the process of energy recovery and conversion, the energy consumption of electric braking and the energy consumption of the elevator car rising are reduced, and the kinetic energy of each fall of the weight block in the gravity energy storage system is effectively recovered. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is an overall schematic diagram of the spiral gravity energy storage structure.

[0029] Figure 2 It is a schematic cross-sectional diagram of a spiral gravity energy storage structure.

[0030] Figure 3 It is a schematic diagram of the overall structure of the kinetic energy recovery device.

[0031] Explanation of the accompanying drawings: 1-transportation door, 2-ascending track, 3-bottom platform, 4-transportation door, 5-loading yard, 6-power generation system, 7-vertical shaft, 8-unloading yard, 9-elevator box, 10-self-locking slider, 11-self-locking spring, 12-unlocking device, 13-limiting block, 14-kinetic spring, 15-cylindrical body. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. The components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0033] In the description of the embodiments of the present utility model, it should be noted that the indicated orientation or position relationship is based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, or the orientation or position relationship commonly understood by those skilled in the art, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0034] In the description of the embodiments of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] Example 1

[0036] Embodiment 1 of the present utility model discloses a spiral gravity energy storage structure, such as Figure 1 As shown, the details are as follows:

[0037] It includes a cylindrical body 15, an ascending track 2, a power generation system 6 and a kinetic energy recovery device;

[0038] In this embodiment, a vertical shaft 7 is provided inside the cylindrical body 15;

[0039] Specifically, in practice, a plurality of vertical shafts 7 may be provided in the cylindrical body 15 , and the vertical shafts 7 are provided around the axis of the cylindrical body 15 . The number of the vertical shafts 7 may be selected according to actual conditions and is not specifically limited herein.

[0040] The power generation unit of the power generation system 6 is arranged above the shaft 7, and the kinetic energy recovery device is arranged at the bottom of the shaft 7;

[0041] The ascending track 2 spirally surrounds the outer side of the cylindrical body 15;

[0042] The cylindrical body 15 is provided with a transport door 1 at the top tail end of the ascending track 2 , and at least one transport door 4 is provided at the bottom of the cylindrical body 15 .

[0043] In this embodiment, the top tail end of the ascending track 2 is also connected to a parallel buffer track, and the cylindrical body 15 is provided with a plurality of transport doors 1 on the side of the buffer track.

[0044] The top platform of the cylindrical body 15 is surrounded by enclosures, and the top platform within the enclosures is referred to as the loading site 5;

[0045] like Figure 2 As shown, in this embodiment, a material discharge yard 8 is provided at the bottom of the cylindrical body 15, the bottom of the kinetic energy recovery device is placed in the material discharge yard 8, the fixed part of the kinetic energy recovery device is placed in the cylindrical body 15 at the bottom of the material discharge yard 8, and the movable part of the kinetic energy recovery device is placed in the material discharge yard 8 and the shaft 7;

[0046] The transport door 4 is connected to the unloading yard 8. Specifically, the transport door 4 faces the other side of the bottom layer of the ascending track 2 relative to the cylindrical body 15, so that heavy objects can be transported out through the transport door 4.

[0047] In this embodiment, a bottom platform 3 is further provided at the bottom of the cylindrical body 15, and at least one ramp is provided at the outer edge of the bottom platform 3;

[0048] Specifically, a ramp may be arranged around the outer edge of the bottom platform 3 .

[0049] Example 2

[0050] Embodiment 2 of the present utility model discloses a spiral gravity energy storage structure, such as Figure 1 As shown, the details are as follows:

[0051] It includes a cylindrical body 15, an ascending track 2, a power generation system 6 and a kinetic energy recovery device;

[0052] In this embodiment, a vertical shaft 7 is provided inside the cylindrical body 15;

[0053] Specifically, in practice, a plurality of vertical shafts 7 may be provided in the cylindrical body 15 , and the vertical shafts 7 are provided around the axis of the cylindrical body 15 . The number of the vertical shafts 7 may be selected according to actual conditions and is not specifically limited herein.

[0054] The power generation unit of the power generation system 6 is arranged above the shaft 7, and the kinetic energy recovery device is arranged at the bottom of the shaft 7;

[0055] The ascending track 2 spirally surrounds the outer side of the cylindrical body 15;

[0056] The cylindrical body 15 is provided with a transport door 1 at the top tail end of the ascending track 2 , and at least one transport door 4 is provided at the bottom of the cylindrical body 15 .

[0057] In this embodiment, the top tail end of the ascending track 2 is also connected to a parallel buffer track, and the cylindrical body 15 is provided with a plurality of transport doors 1 on the side of the buffer track.

[0058] The top platform of the cylindrical body 15 is surrounded by enclosures, and the top platform within the enclosures is referred to as the loading site 5;

[0059] like Figure 2 As shown, in this embodiment, a material discharge yard 8 is provided at the bottom of the cylindrical body 15, the bottom of the kinetic energy recovery device is placed in the material discharge yard 8, the fixed part of the kinetic energy recovery device is placed in the cylindrical body 15 at the bottom of the material discharge yard 8, and the movable part of the kinetic energy recovery device is placed in the material discharge yard 8 and the shaft 7;

[0060] The transport door 4 is connected to the unloading yard 8. Specifically, the transport door 4 faces the other side of the bottom layer of the ascending track 2 relative to the cylindrical body 15, so that heavy objects can be transported out through the transport door 4.

[0061] In this embodiment, a bottom platform 3 is further provided at the bottom of the cylindrical body 15, and at least one ramp is provided at the outer edge of the bottom platform 3;

[0062] Specifically, a ramp may be arranged around the outer edge of the bottom platform 3 .

[0063] like Figure 3 As shown, in this embodiment, the kinetic energy recovery device includes an elevator car 9, a self-locking mechanism, an unlocking device 12, and an energy recovery unit;

[0064] The energy recovery unit is arranged in the shaft 7, and the power generation system 6 is connected to the energy recovery unit;

[0065] The energy recovery unit includes a bottom plate and a kinetic energy spring 14. The bottom plate is a U-shaped structure with an opening facing downward. The elevator box 9 is placed above the bottom plate. A clamping space is provided between the two sides of the elevator box 9 and the wall surface of the shaft 7. The kinetic energy spring 14 is provided below the bottom plate and is fixedly connected to the bottom plate. The other end of the kinetic energy spring 14 is fixed to the bottom of the unloading yard 8. The bottom of the shaft 7 is located below one side of the wall surface. The corresponding bottom of the unloading yard 8 is provided with a gap for accommodating the bottom plate.

[0066] The self-locking mechanism comprises a self-locking slider 10 and a self-locking spring 11, and the self-locking slider 10 is connected to the self-locking spring 11;

[0067] In this embodiment, one end of the self-locking slider 10 is a wedge-shaped structure with an inclined surface facing upward, and the top of the wedge-shaped structure is a plane. The self-locking spring 11 is sleeved on the self-locking slider 10, and one end of the self-locking spring 11 is connected to the self-locking slider 10, and the other end is fixedly connected to the cylindrical body 15;

[0068] The wedge-shaped structure enables the self-locking slider 10 to better stabilize the bottom plate;

[0069] Specifically, the self-locking slider 10 includes a wedge-shaped self-locking portion and a sliding portion with a spring sleeve. There is a gap between the sliding portion and the slide groove for accommodating a self-locking spring 11 sleeved on the sliding portion. One end of the self-locking spring 11 is connected to the side of the self-locking portion facing the gap. Based on the wedge-shaped self-locking portion and the above-mentioned sliding portion, self-locking portion and self-locking spring 11, the friction between the self-locking slider 10 and the slide groove can be reduced, the wear of the components can be reduced, and the driving pressure of the electromagnetic slider can be reduced.

[0070] The unlocking device 12 is arranged on the bottom plate, and is placed on two sides of the bottom of the elevator car 9 opposite to the wall of the shaft 7;

[0071] In this embodiment, the unlocking device 12 is two electromagnetic sliders, which are flush with the wall surface of the shaft 7 after being extended. Specifically, the thickness of the electromagnetic slider is the same as the thickness of the contact end of the self-locking slider 10.

[0072] When the weight block is unloaded from the elevator box 9, the electromagnetic slider is driven to pop out, pushing the self-locking slider 10 into the slide slot to release the kinetic energy spring 14.

[0073] In this embodiment, a limit block 13 is provided on the inner wall surface of the bottom plate, and the kinetic energy spring 14 is sleeved on the limit block 13 .

[0074] The limit block 13 makes the kinetic energy spring 14 more stable during the compression and extension process, thereby reducing the additional friction between the bottom plate and the wall of the shaft 7 caused by shaking.

[0075] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A spiral gravity energy storage structure, characterized in that: It includes a cylindrical body, an ascending track, a power generation system and a kinetic energy recovery device; At least one vertical shaft is provided inside the cylindrical body; the power generation system comprises a plurality of power generation units, the power generation units are provided above the vertical shaft, and the kinetic energy recovery device is provided at the bottom of the vertical shaft; The ascending track spirally surrounds the outer side of the cylindrical body; The cylindrical body is provided with a transport door at the top tail end of the ascending track, and at least one transport door is provided at the bottom of the cylindrical body.

2. The spiral gravity energy storage structure according to claim 1, characterized in that: A material discharge yard is provided at the bottom of the cylindrical body, the bottom of the kinetic energy recovery device is placed in the material discharge yard, and the transport door is connected to the material discharge yard.

3. The spiral gravity energy storage structure according to claim 1, characterized in that: It also includes a bottom platform, wherein the outer edge of the bottom platform is provided with at least one ramp.

4. The spiral gravity energy storage structure according to claim 1, characterized in that: The transport door faces the other side of the bottom layer of the ascending track relative to the cylindrical body.

5. The spiral gravity energy storage structure according to claim 1, characterized in that: The top tail end of the ascending track is also connected to a parallel buffer track, and the cylindrical body is provided with a plurality of transport doors on the side of the buffer track.

6. The spiral gravity energy storage structure according to claim 1, characterized in that: A plurality of vertical shafts are arranged in the cylindrical body, and the vertical shafts are arranged around the axis of the cylindrical body.

7. The spiral gravity energy storage structure according to any one of claims 1 to 6, characterized in that: The kinetic energy recovery device includes an elevator car, a self-locking mechanism, an unlocking device, and an energy recovery unit; The energy recovery unit is arranged in the shaft, and the power generation system is connected to the energy recovery unit; The energy recovery unit comprises a bottom plate and a kinetic energy spring. The bottom plate is a U-shaped structure with an opening facing downward. The elevator box is placed above the bottom plate. A clamping space is provided between the two sides of the elevator box and the wall surface of the shaft. The kinetic energy spring is provided below the bottom plate and is fixedly connected to the bottom plate. The bottom of the shaft is located below one side of the wall surface, and a gap is provided at the bottom of the corresponding unloading yard for accommodating the bottom plate. The self-locking mechanism comprises a self-locking slider and a self-locking spring, wherein the self-locking slider is connected to the self-locking spring; The unlocking device is arranged on the bottom plate and is placed on two sides of the bottom of the elevator box opposite to the wall surface of the shaft.

8. The spiral gravity energy storage structure according to claim 7, characterized in that: The unlocking device is two electromagnetic sliders, which are flush with the wall surface of the shaft after being extended.

9. The spiral gravity energy storage structure according to claim 7, characterized in that: A limit block is arranged on the inner wall surface of the bottom plate, and the kinetic energy spring is sleeved on the limit block.

10. The spiral gravity energy storage structure according to claim 7, characterized in that: One end of the self-locking slider is a wedge-shaped structure with an inclined surface facing upwards. The top of the wedge-shaped structure is a plane. The self-locking spring is sleeved on the self-locking slider, and one end of the self-locking spring is connected to the self-locking slider.

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