Sliding deformation structure of gas storage chamber lining, lining structure and gas storage chamber
By introducing sliding deformation structures and seals into the gas storage chamber, the problem of concrete lining is easily damaged under pressure fluctuations, centralized pressure release and gas sealing are achieved, and the stability and sealing performance of the structure are improved.
Patent Information
- Application Number
- CN202411717413.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-01-10
AI Technical Summary
The existing concrete lining structure is prone to cracks and damage caused by pressure fluctuations, and cannot effectively withstand the circulating air pressure and temperature load in the gas storage chamber.
Design a sliding deformation structure for air storage chamber lining, by setting relatively moving connectors and sliders in the concrete lining structure, forming a sliding surface to separate and release pressure during internal pressure, and restore to its original state when the pressure is reduced, Combine seals and elastic members to ensure sealing.
It effectively avoids cracking and damage of the concrete lining section under internal pressure, and prevents gas leakage through the sealing structure, improving the stability and sealing performance of the lining structure.
Smart Images
Figure CN119288559A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of compressed air energy storage, and in particular to a sliding deformation structure of an air storage chamber lining, a lining structure and an air storage chamber. Background Art
[0002] Artificial gas storage chambers are highly safe, have flexible site selection, excellent durability and reasonable economy. Currently, most of the compressed air energy storage power station projects under construction and planned for filing adopt artificial gas storage chambers. Different from artificial chambers such as natural gas storage reservoirs and hydropower transmission tunnels, compressed air energy storage power stations store energy and peak load by continuously circulating gas in underground gas storage chambers, which can reach up to 10-15MPa. Therefore, the gas temperature and pressure in the gas storage chamber are in a state of mutual influence and cyclic change. The lining and surrounding rock are subjected to the dual effects of cyclic gas pressure and temperature loads. The existing concrete lining structure is prone to cracks under frequent pressure fluctuations, resulting in damage to the concrete lining structure. Summary of the invention
[0003] The purpose of the present invention is to overcome the technical problem in the prior art that the concrete lining structure of the gas storage chamber is prone to cracks and damage under pressure fluctuations, and to provide a sliding deformation structure of the gas storage chamber lining, a lining structure and a gas storage chamber.
[0004] In the first aspect, the present invention provides a sliding deformation structure of a gas storage chamber lining, comprising two connecting members arranged opposite to each other, the two connecting members are fixedly connected to two sections of lining, and the two connecting members can move relative to each other when subjected to force to increase or decrease the distance between the two connecting members; each of the connecting members is provided with a sliding surface, the sliding surfaces are arranged opposite to each other, a slider is provided between the two connecting members, the slider is in contact with the sliding surface, and the slider can slide along the sliding surface as the distance between the two connecting members changes.
[0005] Compared with the existing concrete lining structure of the cavern, which is an integral structure and prone to cracking and damage when subjected to internal pressure, the present application can divide the concrete lining structure into sections and reserve gaps, and a deformation structure for adjusting deformation can be arranged at the gaps. When subjected to internal pressure, the two connecting parts relatively arranged in the deformation structure can be squeezed to separate the concrete lining sections on both sides. After the internal pressure is removed, the two connecting parts can move toward each other to restore the deformation structure to its original state, and the concrete lining sections on both sides can also return to their initial positions. Therefore, when subjected to internal pressure, the lining deformation can be concentrated in the deformation structure to release the pressure, thereby avoiding the concrete lining section from being unable to withstand the internal pressure and cracking and being damaged.
[0006] A slider is set between the two connecting parts. The slider can move as the spacing between the connecting parts changes, which can ensure that the slider is always in contact with the sliding surface. Therefore, the slider can seal the gap between the connecting parts to prevent the gas in the chamber from leaking from the gap between the two connecting parts after the sealing layer on the inner side of the concrete is damaged.
[0007] Preferably, each of the connecting members is provided with a first sliding surface and a second sliding surface, and the first sliding surface and the second sliding surface intersect each other; a first slider and a second slider are provided between the two connecting members; the first slider is fitted with the first sliding surfaces on both sides, and can slide along the first sliding surfaces as the spacing between the two connecting members changes; the second slider is fitted with the second sliding surfaces on both sides, and can slide along the second sliding surfaces as the spacing between the two connecting members changes.
[0008] Two sliding surfaces with different inclination directions can be provided on the connecting piece, and two sliding blocks can be provided, which can improve the integrity and stability of the structure between two adjacent concrete lining sections and can also further improve the sealing performance of the two connecting pieces.
[0009] Preferably, a sealing member is provided at the opening of the gap between the two connecting members.
[0010] Providing a sealing member at the opening of the gap between the two connecting members can further improve the sealing performance of the gap, and can also limit the slider in the gap to prevent the slider from falling off from the gap between the two connecting members.
[0011] Preferably, the sealing member is connected to the two connecting members respectively through fasteners.
[0012] Preferably, a slide groove is provided on the sealing member, the fastener passes through the slide groove and is connected to the connecting member, and the fastener can move along the slide groove relative to the sealing member along with the connecting member.
[0013] Here, the seal can be a rigid component such as a steel plate. A slide groove of a certain length can be opened on the steel plate, and the fastener can be passed through the slide groove to connect with the connecting piece. When the connecting piece moves, the fastener can slide in the slide groove, thereby realizing relative movement between the steel plate and the connecting piece, and the sealing of the gap by the steel plate is not affected during the movement.
[0014] Preferably, an elastic member is connected between the sealing member and the sliding block.
[0015] An elastic member, such as a spring, may be provided on the slider to push the slider to slide on the sliding surface, thereby helping the slider to maintain contact with the sliding surface and thereby ensuring sealing.
[0016] Preferably, the sliding surface and the sliding block are coated with grease.
[0017] The grease can reduce the sliding friction between the slider and the connecting member, making the relative movement between the slider and the connecting member smoother.
[0018] In a second aspect, the present invention provides a lining structure of a gas storage chamber, comprising a plurality of concrete lining sections and the sliding deformation structure of the gas storage chamber lining as described above, wherein the sliding deformation structure is arranged between adjacent concrete lining sections.
[0019] In a third aspect, the present invention provides a gas storage chamber, comprising surrounding rock layers, a lining structure of the gas storage chamber as described above, and a sealing layer arranged in sequence from the outside to the inside.
[0020] Compared with the prior art, the present invention has the following beneficial effects:
[0021] The present invention provides a sliding deformation structure of a gas storage chamber lining, which can divide the concrete lining structure into sections and reserve gaps. A deformation structure for adaptive deformation can be arranged at the gaps. When subjected to internal pressure, two connecting pieces relatively arranged in the deformation structure can be squeezed to separate the concrete lining sections on both sides. After the internal pressure is removed, the two connecting pieces can move toward each other to restore the deformation structure to its original state, and the concrete lining sections on both sides can also return to their initial positions. Therefore, when subjected to internal pressure, the deformation positions can be concentrated in the deformation structure to adapt to the pressure, thereby avoiding cracking and damage of the concrete lining sections due to their inability to withstand the internal pressure. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 This is a schematic diagram of the first structure of the sliding deformation structure of the gas storage chamber lining of the present invention before deformation.
[0023] Figure 2 This is a schematic diagram of the first structural deformation of the sliding deformation structure of the gas storage chamber lining of the present invention.
[0024] Figure 3 This is a schematic diagram of the second structure of the sliding deformation structure of the gas storage chamber lining of the present invention before deformation.
[0025] Figure 4 This is a schematic diagram of the second structural deformation of the sliding deformation structure of the gas storage chamber lining of the present invention.
[0026] Figure 5 for Figure 1 Schematic diagram of direction A in .
[0027] Figure 6 for Figure 2 Schematic diagram of direction B in .
[0028] Figure 7 It is a schematic diagram of the lining structure of the gas storage chamber of the present invention (including the first sliding deformation structure).
[0029] Markings in the figure:
[0030] 1. Sliding deformation structure, 11. Connecting member, 111. Sliding surface, 112. First sliding surface, 113. Second sliding surface, 12. Sliding block, first sliding block 121, second sliding block 122, 13. Sealing member, 131. Sliding groove, 14. Fastening member, 15. Elastic member, 2. Concrete lining section. DETAILED DESCRIPTION
[0031] The present invention is further described in detail below in conjunction with specific embodiments. However, this should not be understood as the scope of the above subject matter of the present invention being limited to the following embodiments, and all technologies realized based on the content of the present invention belong to the scope of the present invention.
[0032] Unless otherwise specified, in the description of the specific embodiments of the present invention, the terms indicating the orientation or position relationship such as "up", "down", "left", "right", "center", "inside", "outside", etc. are all expressions based on the orientation or position relationship shown in the drawings, or are the orientation or position relationship when the invented product / equipment / device is usually used. These terms of orientation or position relationship are only for the convenience of describing the scheme of the present invention or simplifying the description in the specific embodiments, so as to facilitate the technicians to quickly understand the scheme, and do not indicate or imply that a specific device / component / element must have a specific orientation, or be constructed and operated in a specific position relationship, and therefore cannot be understood as a limitation on the present invention.
[0033] In addition, if the terms "horizontal", "vertical", "overhanging", "parallel" and the like appear, it does not mean that the corresponding devices / components / elements are required to be absolutely horizontal or vertical or overhanging or parallel, but may be slightly tilted or have deviations. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but may be slightly tilted. Alternatively, it can be simplified to mean that the corresponding devices / components / elements are set in directions such as "horizontal", "vertical", "overhanging", "parallel", etc., and can have an error / deviation of ±10% relative to the corresponding direction setting, more preferably an error / deviation within ±8%, more preferably an error / deviation within ±6%, more preferably an error / deviation within ±5%, and more preferably an error / deviation within ±4%. As long as the corresponding device / component / element is within the error / deviation range, it can still achieve its role in the scheme of the present invention.
[0034] In addition, the expressions “first”, “second”, “third”, etc., which appear in the terms, are merely used to distinguish the description of the same or similar components and should not be understood as emphasizing or implying the relative importance of specific components.
[0035] In addition, in the description of the embodiments of the present invention, "several", "plurality" and "a number" represent at least 2. It can be any number such as 2, 3, 4, 5, 6, 7, 8, 9, and even more than 9.
[0036] In addition, in the description of the technical solution of the present invention, unless otherwise clearly specified / defined / restricted, the terms "set", "install", "connect", "connected", "provided with", "laid", and "arranged" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, and can be welding, riveting, bolting, threading, and other commonly used connection means in the field. This connection can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be the internal connection of two elements.
[0037] Example 1
[0038] This embodiment provides a sliding deformation structure of a gas storage chamber lining.
[0039] Figure 1 It is a schematic diagram of the first structure of the sliding deformation structure of the gas storage chamber lining of the present invention before deformation; Figure 2 It is a schematic diagram of the first structural deformation of the sliding deformation structure of the gas storage chamber lining of the present invention; Figure 3 It is a schematic diagram of the second structure of the sliding deformation structure of the gas storage chamber lining of the present invention before deformation; Figure 4 It is a schematic diagram of the second structural deformation of the sliding deformation structure of the gas storage chamber lining of the present invention; Figure 5 for Figure 1 A-direction schematic diagram in FIG. Figure 6 for Figure 2 Schematic diagram of direction B in FIG. Figure 7 It is a schematic diagram of the lining structure of the gas storage chamber of the present invention (including the first sliding deformation structure).
[0040] like Figures 1 to 7As shown in, the sliding deformation structure of the gas storage chamber lining described in this embodiment may include two connecting members 11 arranged opposite to each other, and the two connecting members 11 can move relatively when subjected to force to increase or decrease the distance between the two connecting members 11; specifically, the sliding deformation structure 1 can be installed in a concrete lining structure, and the concrete lining can be divided into sections, and the sliding deformation structure 1 can be installed in the gap between two adjacent concrete lining sections 2. When the gas storage chamber is subjected to internal pressure, the concrete lining section 2 can be pushed to expand outward, thereby pushing the two connecting members 11 to move in the opposite direction, thereby increasing the distance between the two connecting members 11; when the pressure in the gas storage chamber is released, the concrete lining section 2 can shrink inward under the external pressure of the outer surrounding rock, thereby driving the two connecting members 11 to move toward each other, thereby reducing the distance between the two connecting members 11.
[0041] Compared with the existing concrete lining structure of the cavern which is an integral structure and is prone to cracking and damage when subjected to internal pressure, the present application can divide the concrete lining structure into sections to reserve gaps, and a deformation structure for adjusting deformation can be set at the gaps. When subjected to internal pressure, the two connecting members 11 arranged relatively in the deformation structure can be squeezed to separate the concrete lining sections 2 on both sides. After the internal pressure is removed, the two connecting members 11 can move toward each other to restore the deformation structure to its original state, and the concrete lining sections 2 on both sides can also return to their initial positions. Therefore, when subjected to internal pressure, the lining deformation can be concentrated in the deformation structure to release the pressure, thereby avoiding the concrete lining section 2 from being unable to withstand the internal pressure and cracking and damage ( Figure 2 and Figure 4 The upward arrow in the figure indicates the direction of internal pressure).
[0042] In this embodiment, the two connecting members 11 are provided with sliding surfaces 111, the two sliding surfaces 111 on the two connecting members 11 are arranged opposite to each other, a slider 12 is provided between the two connecting members 11, the slider 12 is fitted with the sliding surface 111, and the slider 12 can slide along the sliding surface 111 as the distance between the two connecting members 11 changes; specifically, Figure 1 and Figure 2 In the structure shown in , when the two connecting members 11 move in opposite directions to increase the distance between the two connecting members 11, the slider 12 can slide downward along the sliding surfaces 111 on both sides, so that the slider 12 can always fit the sliding surfaces 111; when the two connecting members 11 move toward each other to reduce the distance between the two connecting members 11, the slider 12 can slide upward along the sliding surfaces 111 on both sides, which can also ensure that the slider 12 fits the sliding surfaces 111.
[0043] A slider 12 is arranged between the two connecting members 11. The slider 12 can move as the spacing between the connecting members 11 changes, which can ensure that the slider 12 is always in contact with the sliding surface 111. Therefore, the slider 12 can be used as a force transmission component of the two connecting members 11, and the slider 12 can seal the gap between the connecting members 11 to prevent the gas in the chamber from leaking from the gap between the two connecting members 11 after the sealing layer on the inner side of the concrete is damaged.
[0044] In this embodiment, each connecting member 11 may be provided with a first sliding surface 112 and a second sliding surface 113, and the first sliding surface 112 and the second sliding surface 113 intersect each other; a first slider 121 and a second slider 122 are provided between the two connecting members 11; the first slider 121 fits with the first sliding surfaces 112 on both sides, and can slide along the first sliding surfaces 112 as the spacing between the two connecting members 11 changes; the second slider 122 fits with the second sliding surfaces 113 on both sides, and can slide along the second sliding surfaces 113 as the spacing between the two connecting members 11 changes.
[0045] Specifically, Figure 3 and Figure 4 As shown in , two connecting members 11 are provided with two sliding surfaces 111 with opposite inclined directions, the first sliding surface 112 is located above the second sliding surface 113, the first slider 121 is located above the second slider 122, the first slider 121 is located between the two first sliding surfaces 112, and the second slider 122 is located between the two second sliding surfaces 113. When the two connecting members 11 move in opposite directions to increase the distance between the two connecting members 11, the first slider 121 can slide downward along the first sliding surfaces 112 on both sides, and the second slider 122 can slide upward along the second sliding surfaces 113 on both sides under the action of the elastic member 15; when the two connecting members 11 move toward each other to reduce the distance between the two connecting members 11, the first slider 121 can slide upward along the first sliding surfaces 112 on both sides, and the second slider 122 can slide downward along the second sliding surfaces 113 on both sides.
[0046] Two sliding surfaces 111 with different inclination directions and two sliding blocks can be provided on the connecting member 11 , which can improve the integrity and stability of the structure between two adjacent concrete lining sections 2 and further improve the sealing performance of the gap between the two connecting members 11 .
[0047] In this embodiment, a seal 13 is provided at the opening of the gap between the two connecting members 11; providing the seal 13 at the opening of the gap between the two connecting members 11 can further improve the sealing performance of the gap, and can also limit the slider 12 in the gap to prevent the slider 12 from falling off from the gap between the two connecting members 11.
[0048] Optionally, the seal 13 is connected to the two connectors 11 respectively through fasteners 14; here, the seal 13 can be a rigid seal 13, such as a steel plate, and a slide groove 131 of a certain length can be opened on the steel plate, and the fastener 14 can be passed through the slide groove 131 to connect with the connector 11. When the connector 11 moves, the fastener 14 can slide in the slide groove 131, so as to realize relative movement between the steel plate and the connector 11, and the sealing of the gap by the steel plate is not affected during the movement; the fastener 14 can be a connecting component such as a bolt, a screw or a rivet, and the present invention does not make any specific limitation on this.
[0049] Optionally, an elastic member 15 is connected between the sealing member 13 and the slider 12; the slider 12 may be provided with an elastic member 15, such as a spring, which can push the slider 12 to slide on the sliding surface 111, thereby helping the slider 12 to maintain contact with the sliding surface 111, thereby ensuring sealing. Specifically, if the sliding deformation structure 1 is installed in the concrete lining at the bottom of the chamber, its direction will be the same as that of the sliding deformation structure 1. Figure 1 or Figure 2 In the opposite direction, that is, Figure 1 or Figure 2 The installation direction of the sliding deformation structure 1 in the concrete lining at the bottom of the chamber is obtained by turning the direction shown in the figure up and down. At this time, when the two connecting members 11 are separated, the middle slider 12 needs to move upward to fit with the sliding surface 111, and thus cannot move by gravity, and can only move by relying on an additional upward thrust. Therefore, in this case, installing an elastic member 15 on the slider 12 can apply a thrust to the slider 12, so that the slider 12 can still maintain contact with the sliding surface 111 after the connecting members 11 are separated, thereby ensuring sealing.
[0050] Optionally, the sliding surface 111 and the slider 12 may be coated with grease, and the first slider 121, the second slider 122, the first sliding surface 112 and the second sliding surface 113 may also be coated with grease; the grease can reduce the sliding friction between the slider and the connecting member 11, making the relative movement between the slider and the connecting member 11 smoother.
[0051] The angle between the two sliding surfaces 111 is preferably 15° to 30°; similarly, the angle between the two first sliding surfaces 112 and the angle between the two second sliding surfaces 113 are also preferably 15° to 30°; within this angle range, the sliding between the slider and the connecting member 11 can ensure sufficient deformation without generating significant resistance.
[0052] Example 2
[0053] This embodiment provides a lining structure for a gas storage chamber.
[0054] The lining structure of the gas storage chamber described in this embodiment includes a plurality of concrete lining sections 2 and the sliding deformation structure of the gas storage chamber lining as described in Example 1. The sliding deformation structure 1 is arranged between adjacent concrete lining sections 2. The sliding deformation structure 1 is connected through the internal steel bars of the lining sections 2.
[0055] The concrete lining section 2 can be used as the basic lining part, and the sliding deformation structures 1 between the multiple concrete lining sections 2 can be used as deformation-induced joints. The specific lining thickness is calculated and determined in combination with the surrounding rock conditions and operating internal pressure and other working conditions of different projects, and the specific number of joints is determined in combination with the maximum compression of the surrounding rock and the increase in the circumference of the chamber. In other words, the circumferential deformation of the concrete lining can be calculated based on the maximum internal pressure in the chamber, combined with the deformable amount of each sliding deformation structure 1, and then the number of segments of the concrete lining and the number of joints of the sliding deformation structure 1 can be obtained.
[0056] When the adaptive deformation lining structure of the artificial gas storage chamber is in maintenance condition, Figure 1 or Figure 3 As shown in , the pressure and temperature inside the chamber drop, the concrete lining structure is mainly subjected to the surrounding rock pressure and is in a compressed state, and the distance between the two connectors 11 at the structural joint is the smallest; when the adaptive deformation lining structure of the artificial gas storage chamber is in the operating condition, as shown in Figure 2 or Figure 4 As shown in the figure, the direction of the arrow is the direction of the pressure. Under the action of high internal pressure, the temperature inside the chamber increases, tensile stress is generated in the concrete structure, the two connectors 11 at the joint are separated, and the spacing increases, concentrated deformation occurs at the sliding deformation structure 1, and the lining stress is dispersed. At the same time, the slider 12 moves synchronously to maintain contact with the sliding surface 111, and can work with the seal 13 to maintain the air tightness at the joint.
[0057] In this embodiment, a steel bar (not shown) is provided in the concrete lining section 2, and both ends of the steel bar are respectively connected to the connecting piece 11. The steel bar can be connected to the connecting piece 11 by welding or integrally forming, so that the overall structure of the concrete lining section 2 can be kept stable and the movement and dislocation between the connecting piece 11 and the concrete lining can be avoided. Specifically, the concrete lining section 2 can use C45 waterproof concrete.
[0058] It should be noted that the sliding deformation structure of the gas storage chamber lining described in this embodiment is consistent with the sliding deformation structure of the gas storage chamber lining described in Example 1, and this embodiment will not be further described in detail.
[0059] The lining structure of the gas storage chamber of the present invention may include a basic lining part (i.e., a concrete lining section 2) and a deformation inducing joint (i.e., a gap between the concrete lining sections 2). The basic lining part is constructed with high-strength concrete to form the basic skeleton of the chamber, and the deformation inducing joints are evenly distributed on the secondary lining structure, dividing the lining structure into a number of independent but interconnected units. Each joint may be provided with a sliding deformation structure 1, which can slide and deform when the chamber is deformed, absorbing and dispersing stress.
[0060] Example 3
[0061] This embodiment provides a gas storage chamber.
[0062] The gas storage chamber described in this embodiment may include surrounding rock layers (not shown in the figure) arranged in sequence from the outside to the inside, a lining structure of the gas storage chamber as described in Example 2, and a sealing layer (not shown in the figure).
[0063] After the excavation of the chamber, the initial support of shotcrete is first carried out. The joint position is marked before the second lining steel bars are tied. The prefabricated sliding deformation structure 1 is installed at the marked position. The sliding deformation structure 1 divides the second lining structure into several blocks. The second lining steel bars are tied in blocks, and the second lining main bars are welded to the connector 11. After the construction of the joint joint is completed, a special template trolley is used to cast each concrete lining, and the connector 11 is used as the annular end template for casting the lining concrete. After the second lining concrete is cured to the design strength, a slider 12, an elastic member 15 and a seal 13 are installed between the connectors 11 at each joint to form a sliding deformation structure 1, and make it form a whole with the second lining structure. The slider 12 can still maintain a close fit with the connector 11 under the filling and deflation conditions of the chamber operation and maintenance. The seal 13 can be used as the second airtight insurance outside the sealing layer of the artificial gas storage chamber to effectively prevent the leakage of compressed gas.
[0064] In summary, the present invention provides a sliding deformation structure of the lining of a gas storage chamber, which can divide the concrete lining structure into sections and reserve gaps. A deformation structure for adjusting deformation can be set at the gaps. When subjected to internal pressure, two connecting members relatively arranged in the deformation structure can be squeezed to separate the concrete lining sections on both sides. After the internal pressure is removed, the two connecting members can move toward each other to restore the deformation structure to its original state, and the concrete lining sections on both sides can also return to their initial positions. Therefore, when subjected to internal pressure, the lining deformation can be concentrated in the deformation structure to release the pressure, thereby avoiding cracking and damage of the concrete lining section due to its inability to withstand the internal pressure.
[0065] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A sliding deformation structure of a gas storage chamber lining, characterized in that: It comprises two connecting members (11) arranged opposite to each other, the two connecting members (11) are fixedly connected to two sections of lining, and the two connecting members (11) can move relative to each other when subjected to force to increase or decrease the distance between the two connecting members (11); The two connecting members (11) are each provided with a sliding surface (111), the sliding surfaces (111) are arranged opposite to each other, a sliding block (12) is provided between the two connecting members (11), the sliding block (12) is in contact with the sliding surface (111), and the sliding block (12) can slide along the sliding surface (111) as the distance between the two connecting members (11) changes.
2. The sliding deformation structure of the gas storage chamber lining according to claim 1 is characterized in that: Each of the connecting members (11) is provided with a first sliding surface (112) and a second sliding surface (113), and the first sliding surface (112) and the second sliding surface (113) intersect each other; a first sliding block (121) and a second sliding block (122) are provided between the two connecting members (11); the first sliding block (121) is fitted with the first sliding surfaces (112) on both sides, and can slide along the first sliding surfaces (112) as the spacing between the two connecting members (11) changes; the second sliding block (122) is fitted with the second sliding surfaces (113) on both sides, and can slide along the second sliding surfaces (113) as the spacing between the two connecting members (11) changes.
3. The sliding deformation structure of the gas storage chamber lining according to claim 2 is characterized in that: A sealing member (13) is provided at the opening of the gap between the two connecting members (11).
4. The sliding deformation structure of the gas storage chamber lining according to claim 3 is characterized in that: The sealing member (13) is respectively connected to the two connecting members (11) via fasteners (14).
5. The sliding deformation structure of the gas storage chamber lining according to claim 4 is characterized in that: The sealing member (13) is provided with a slide groove (131), the fastening member (14) passes through the slide groove (131) and is connected to the connecting member (11), and the fastening member (14) can move along the slide groove (131) relative to the sealing member (13) along with the connecting member (11).
6. The sliding deformation structure of the gas storage chamber lining according to claim 3 is characterized in that: An elastic member (15) is connected between the sealing member (13) and the sliding block (12).
7. The sliding deformation structure of the gas storage chamber lining according to any one of claims 1 to 6, characterized in that: The included angle between the two sliding surfaces (111) is 15° to 30°.
8. The sliding deformation structure of the gas storage chamber lining according to any one of claims 1 to 6, characterized in that: The sliding surface (111) and the sliding block (12) are both coated with lubricating grease.
9. A lining structure for a gas storage chamber, characterized in that: It comprises a plurality of concrete lining sections (2) and a sliding deformation structure of a gas storage chamber lining as claimed in any one of claims 1 to 8, wherein the sliding deformation structure is arranged between adjacent concrete lining sections (2).
10. A gas storage chamber, characterized in that: It comprises surrounding rock layers, a lining structure of the gas storage chamber as claimed in claim 9 and a sealing layer which are arranged in sequence from the outside to the inside.