Compressed air storage tank

Abstract

The utility model relates to the technical field of compression tanks, and discloses a compressed air storage tank which comprises a tank body, a drainage mechanism is fixedly connected to the inner wall of the tank body, and a reinforcing mechanism is arranged in the tank body. The drainage mechanism comprises a transverse plate, the left side and the right side of the transverse plate are fixedly connected to the inner wall of the tank body, a sliding column is slidably connected to the inner wall of the transverse plate, a floating ball is fixedly connected to the top end of the sliding column, a concave round block is fixedly connected to the inner wall of the tank body, and a round hole is formed in the concave round block; an air cylinder is fixedly connected into the concave round block, and the driving end of the air cylinder is fixedly connected with a transmission block. According to the utility model, the sliding plate drives the switch plate to move towards the middle to extrude the sealing strip and the sealing round hole, and then the drainage cover can be rotated to drain condensate water, so that the condensate water can be effectively drained, and meanwhile, the leakage of compressed air in the drainage process is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to compressed tank technical field especially relates to a compressed air storage tank. BACKGROUND

[0002] The compressed air storage tank is a kind of pressure vessel for storing compressed air, usually made of steel or composite material, design meets specific pressure vessel safety standards, widely used in industrial production line, energy system, pneumatic tool etc., its inside is stored by compressor processing high pressure air, provides stable air source for subsequent use, and reduces compressor frequent start-stop by volume buffering effect, simultaneously separates part of water vapor and oil mist in air by condensation through cooling.

[0003] The main functions of compressed air storage tank include buffering system pressure fluctuation, stabilizing airflow output, storing compressed air to release quickly to balance supply and demand at demand peak, reducing compressor load;Storing energy to improve system energy efficiency and reduce energy waste;Condense liquid water and impurities in air by cooling to protect downstream equipment from corrosion or blockage;In addition, it can also reduce the frequency of compressor start-stop, prolong the service life of equipment, and ensure the safe operation of pressure vessel within the rated range through safety valve and other devices.

[0004] In the application scenario of compressed air storage tank, water is often mixed in air during compression, when air containing water is compressed, water will condense into condensate due to temperature and pressure changes, some compressed air storage tanks in the prior art lack drainage mechanism, condensate cannot be discharged in time and effectively, which will accumulate in the tank body and cause rust and corrosion inside the tank body, affecting the service life of the tank body, and too much condensate is also easy to mix with compressed air, reducing the quality of compressed air and affecting its use effect in industrial production, pneumatic equipment etc., therefore, a compressed air storage tank is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a compressed air storage tank, which aims at improving the problem of lack of drainage mechanism in some compressed air storage tanks in the prior art affecting service life and compressed air quality.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A compressed air storage tank, comprising a tank body, a drainage mechanism is fixedly connected to the inner wall of the tank body, and a reinforcing mechanism is arranged in the tank body.

[0008] The drainage mechanism comprises a horizontal plate, the left and right sides of the horizontal plate are fixedly connected to the inner wall of the tank body, the inner wall of the horizontal plate is slidably connected with a sliding column, the top end of the sliding column is fixedly connected with a floating ball, the inner wall of the tank body is fixedly connected with a concave circular block, a circular hole is formed in the inner part of the concave circular block, a pneumatic cylinder is fixedly connected to the inner part of the concave circular block, the driving end of the pneumatic cylinder is fixedly connected with a transmission block, the top end of the transmission block is fixedly connected with two first fixed protruding rods on the front and back sides respectively, the outer wall of the first fixed protruding rod is rotatably connected with a transmission plate, a cavity is formed in the inner part of the concave circular block, the inner wall of the cavity is slidably connected with two sliding plates, the proximal sides of the sliding plates are fixedly connected with switch plates respectively, the proximal sides of the two switch plates are fixedly connected with sealing strips respectively, and the bottom of the tank body is threadedly connected with a drainage cover.

[0009] Through the above technical scheme: through the linkage design of the floating ball, the pneumatic cylinder and the transmission mechanism, automatic detection and sealed drainage function of the condensed water are realized, leakage of compressed air is effectively prevented, the threaded connection structure of the drainage cover is combined to guarantee the convenience and sealing reliability of the drainage operation, and the problems of low drainage efficiency and frequent manual intervention of the traditional gas storage tank are solved.

[0010] As a further description of the above technical scheme:

[0011] The reinforcing mechanism comprises a plurality of reinforcing ribs, the outer parts of the reinforcing ribs are fixedly connected to the inside of the tank body, the inner wall of the reinforcing rib is fixedly connected with an inner deformation layer, the outer wall of the reinforcing rib is fixedly connected with an outer deformation layer, the inner wall of the plurality of inner deformation layers is fixedly connected with a pressure bearing layer, the outer wall of the plurality of outer deformation layers is fixedly connected with a protective layer, and the pressure bearing layer and the protective layer are filled with a filling layer;

[0012] Through the above technical scheme: the synergistic effect of the multi-layer composite structure, the pressure bearing layer provides high-strength support, the deformation layer buffers pressure fluctuations, the filling layer insulates thermal stress, and the protective layer resists external impact, thereby improving the fatigue resistance, weather resistance and service life of the tank body as a whole.

[0013] As a further description of the above technical scheme:

[0014] The bottom end of the sliding column is fixedly connected with a limiting block, the top side of the limiting block is in contact with the bottom side of the horizontal plate, and the top of the floating ball is in contact with the bottom of the circular hole.

[0015] Through the above technical scheme: the limiting block precisely limits the stroke of the sliding column, the contact sealing design of the floating ball and the circular hole ensures the reliability of water level triggering, prevents misoperation or sealing failure, and reduces the maintenance frequency.

[0016] As a further description of the above technical scheme:

[0017] The top end of the sliding plate is fixedly connected with two fixed convex rods two, the outer wall of a plurality of transmission plates is rotationally connected to the outer wall of a plurality of fixed convex rods two, and the outer wall of the transmission block is slidably connected to the inner wall of the cavity.

[0018] Through the above technical scheme: the lever transmission design of the fixed convex rod one and the transmission plate efficiently converts the linear motion of the air cylinder into the synchronous closing action of the sliding plate.

[0019] As a further description of the above technical scheme:

[0020] The outer wall of the two switch plates is slidably connected to the inner wall of the cavity, the bottom end of the sliding plate is fixedly connected with two guide blocks, a plurality of guide grooves are formed in the bottom inner wall of the cavity, and the outer wall of the guide block is slidably connected to the inner wall of the guide groove.

[0021] Through the above technical scheme: the guide matching structure of the guide block and the guide groove ensures that the switch plate moves accurately along the preset track, the sealing strip is uniformly pressed, zero leakage sealing is realized, and the service life of the sealing element is prolonged.

[0022] As a further description of the above technical scheme:

[0023] The material of the reinforcing rib is aluminum alloy, the material of the inner deformation layer is nitrile rubber, and the material of the outer deformation layer is polyurethane elastomer.

[0024] Through the above technical scheme: the reinforcing rib of aluminum alloy provides basic structural support, the inner deformation layer of nitrile rubber is used for buffering, and the outer deformation layer of polyurethane elastomer can resist external damage.

[0025] As a further description of the above technical scheme:

[0026] The material of the pressure bearing layer is chromium molybdenum alloy steel, the material of the protective layer is carbon fiber reinforced resin matrix composite material, and the material of the filling layer is silica aerogel.

[0027] Through the above technical scheme: the pressure bearing layer of chromium molybdenum alloy steel bears the main pressure, the protective layer of carbon fiber reinforced resin matrix composite material provides protection and reduces weight, and the filling layer of silica aerogel reduces the expansion difference of materials.

[0028] As a further description of the above technical scheme:

[0029] The left side of the tank body is fixedly connected with an air inlet pipe, the right side of the tank body is fixedly connected with an air outlet pipe, and the bottom corners of the tank body are fixedly connected with supporting legs.

[0030] Through the above technical scheme: the air inlet pipe and the air outlet pipe realize the inlet and outlet of compressed air, the supporting legs are used to support the entire gas storage tank, and are necessary structures for normal operation of the gas storage tank.

[0031] The utility model has the advantages of the following:

[0032] 1、 the utility model discloses when condensate water is accumulated to certain depth, the float ball rises and contacts the bottom of the round hole because of buoyancy, at this moment, the cylinder starts to drive the transmission block to move, through the connection of fixed lug one, fixed lug two and transmission plate, cooperates the linkage of guide block and guide groove, finally makes the sliding plate drive switch plate to move to the middle extrusion sealing strip, seals the round hole, then can rotate the drain cover and discharge condensate water, ensure that condensate water can be effectively discharged, avoid the leakage of compressed air in the process of draining simultaneously.

[0033] 2、 the utility model discloses the structure cooperation of reinforcing rib and pressure bearing layer, strengthens the structural strength of the whole tank body, makes it more stable when bearing pressure, and the synergies of inner deformation layer, outer deformation layer, filling layer and protective layer improve the performance of tank body in all directions, make it can resist the influence of various adverse factors, prolong the service life of tank body. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1 It is a perspective view of the compressed air storage tank provided by the utility model;

[0035] Figure 2 It is a structural schematic view of the tank body of the compressed air storage tank provided by the utility model;

[0036] Figure 3 It is a structural schematic view of the concave round block of the compressed air storage tank provided by the utility model;

[0037] Figure 4 It is Figure 2 the close-up view of A in the middle;

[0038] Figure 5 It is Figure 3 the close-up view of B in the middle;

[0039] Figure 6 It is Figure 2 the close-up view of C in the middle.

[0040] LEGEND:

[0041] 1, tank; 2, drainage mechanism; 201, cross plate; 202, sliding column; 203, floating ball; 204, limit block; 205, concave round block; 206, round hole; 207, air cylinder; 208, transmission block; 209, fixed convex rod one; 210, transmission plate; 211, chamber; 212, sliding plate; 213, fixed convex rod two; 214, switch plate; 215, sealing strip; 216, guide block; 217, guide groove; 218, drainage cover; 3, reinforcing mechanism; 301, reinforcing rib; 302, inner shape change layer; 303, outer shape change layer; 304, pressure bearing layer; 305, protective layer; 306, filling layer; 4, air inlet pipe; 5, air outlet pipe; 6, supporting leg. DETAILED DESCRIPTION

[0042] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0043] With reference to Figure 1 , Figure 2 and Figure 4 , one embodiment provided by the utility model: a compressed air storage tank, comprising a tank 1, the tank 1 provides storage space for compressed air, is the main structure of the whole storage tank, the inner wall of the tank 1 is fixedly connected with drainage mechanism 2, drainage mechanism 2 includes cross plate 201, the left and right sides of cross plate 201 are fixedly connected on the inner wall of tank 1, the inside of tank 1 is provided with reinforcing mechanism 3, the left side of tank 1 is fixedly connected with air inlet pipe 4, air inlet pipe 4 is the passage for compressed air to enter tank 1, the right side of tank 1 is fixedly connected with air outlet pipe 5, air outlet pipe 5 is the passage for compressed air in tank 1 to output to the outside, can output the stored compressed air to the external equipment stably according to the demand, the bottom corners of tank 1 are all fixedly connected with supporting leg 6, the function of supporting leg 6 is to support the whole storage tank;

[0044] Specifically, the tank 1 provides storage space as the main body, the drainage mechanism 2 helps to handle condensate water, the reinforcing mechanism 3 enhances the tank structure, the air inlet pipe 4 and the air outlet pipe 5 realize the functions of air inlet and air outlet respectively, the supporting leg 6 plays a supporting role, and the basic framework of the storage tank is constructed as a whole, so that it can normally store and transmit compressed air and maintain structural stability.

[0045] With reference to Figure 3 , Figure 4 and Figure 5The inner wall of the horizontal plate 201 is slidingly connected with a sliding column 202, the top end of the sliding column 202 is fixedly connected with a floating ball 203, the bottom end of the sliding column 202 is fixedly connected with a limiting block 204, the top side of the limiting block 204 is in contact with the bottom side of the horizontal plate 201, the limiting block 204 limits the movement range of the sliding column 202, preventing the floating ball 203 from falling off, when the floating ball 203 rises and falls with the water level, the sliding column 202 slides along the inner wall of the horizontal plate 201, converting the change of the buoyancy of the floating ball 203 into linear motion in the upward and downward directions, ensuring the stable movement of the floating ball 203, the function of the floating ball 203 is to detect the water level of the condensed water, triggering the action of the subsequent drainage mechanism 2 when the water level reaches the set value. The inner wall of the tank body 1 is fixedly connected with a concave circular block 205, the shape of the concave circular block 205 is convenient for the flow of water, a circular hole 206 is arranged in the concave circular block 205, the circular hole 206 is a channel for the discharge of condensed water, when the floating ball 203 does not trigger the seal, the condensed water can flow to the bottom of the tank body 1 through the circular hole 206, the top of the floating ball 203 is in contact with the bottom of the circular hole 206;

[0046] Specifically, the floating ball 203 can detect the water level of the condensed water, when the water level changes, the floating ball 203 rises and falls with the water level. The sliding column 202 converts the change of the buoyancy of the floating ball 203 into linear motion, the limiting block 204 limits the movement range of the sliding column 202, preventing the floating ball 203 from falling off, ensuring the stable movement of the floating ball 203, the shape of the concave circular block 205 is convenient for the flow of condensed water, and the circular hole 206 in the concave circular block 205 is a channel for the discharge of condensed water.

[0047] The inside of the concave round block 205 is fixedly connected with a gas cylinder 207, the driving end of the gas cylinder 207 is fixedly connected with a transmission block 208, when the floating ball 203 triggers, the gas cylinder 207 generates power to drive the transmission block 208 to move left, the top end of the transmission block 208 is fixedly connected with two fixed lugs one 209 on the front and back sides respectively, the outer wall of the fixed lug one 209 is rotationally connected with a transmission plate 210, the transmission block 208 is driven by the gas cylinder 207 to move left, the fixed lugs one 209 on the front and back sides of the top end of the transmission block 208 are rotationally connected with the transmission plate 210, the transmission block 208 transmits the power of the gas cylinder 207 to the transmission plate 210, the inside of the concave round block 205 is provided with a cavity 211, the outer wall of the transmission block 208 is slidingly connected with the inner wall of the cavity 211, the inner wall of the cavity 211 is slidingly connected with two sliding plates 212, the cavity 211 provides space for the movement of the transmission block 208 and the sliding plate 212, and limits the movement range of the components. The sliding plate 212 moves to the middle under the driving of the transmission plate 210, the bottom end of the sliding plate 212 is fixedly connected with two guide blocks 216, a plurality of guide grooves 217 are formed in the bottom inner wall of the cavity 211, the outer wall of the guide block 216 is slidingly connected with the inner wall of the guide groove 217, the guide groove 217 cooperates with the guide block 216 to provide an accurate movement track for the guide block 216, thereby ensuring the stability and accuracy of the sliding plate 212 during movement, the top end of the sliding plate 212 is fixedly connected with two fixed lugs two 213, a plurality of transmission plates 210 are rotationally connected with the outer wall of the plurality of fixed lugs two 213 on the far side, the fixed lugs two 213 are connected with the top end of the sliding plate 212 and rotationally connected with the transmission plate 210, which receives the power transmitted by the transmission plate 210 and converts it into the power for the middle movement of the sliding plate 212, the proximal side of the sliding plate 212 is fixedly connected with a switch plate 214, the outer wall of the two switch plates 214 is slidingly connected with the inner wall of the cavity 211, the proximal side of the two switch plates 214 is fixedly connected with a sealing strip 215, the switch plate 214 is driven by the sliding plate 212 to move to the middle, the movement of the switch plate 214 realizes the closing and sealing of the round hole 206, prevents the loss of compressed air in the tank body 1, and is the final execution component of the drainage sealing, the sealing strip 215 fills the gap between the switch plates 214 and the round hole 206, and ensures the sealing effect. The bottom of the tank body 1 is threadedly connected with a drain cover 218, the drain cover 218 is used for draining the condensed water at the bottom of the tank body 1, and the drain cover 218 needs to be rotated during drainage, which is convenient for operation and can ensure the sealing property of the tank body 1;

[0048] Specifically, when the floating ball 203 is triggered, the air cylinder 207 generates power to drive the transmission block 208 to move to the left, and the sliding plate 212 is driven by the transmission plate 210 to move to the middle. The bottom end guide block 216 cooperates with the guide groove 217 at the bottom of the cavity 211 to ensure the stability and accuracy of the movement of the sliding plate 212. The fixed protruding rod two 213 at the top of the sliding plate 212 receives power to move to the middle, which drives the switch plate 214 to move. During the movement of the switch plate 214, the sealing strip 215 fills the gap to achieve the closing and sealing of the circular hole 206, effectively preventing the loss of compressed air in the tank body.

[0049] With reference to Figure 1 , Figure 2 and Figure 6 The reinforcing mechanism 3 comprises a plurality of reinforcing ribs 301, the outer portions of the plurality of reinforcing ribs 301 are fixedly connected to the inside of the tank body 1, the reinforcing ribs 301 are made of aluminum alloy, the reinforcing ribs 301 are made of aluminum alloy and embedded in the periphery of the pressure-bearing layer 304 in a ring-shaped structure, which can effectively inhibit the deformation of the tank body 1, disperse local stress concentration, enhance the structural strength of the tank body 1, and improve the stability of the tank body 1 when bearing pressure. The inner wall of the reinforcing rib 301 is fixedly connected with an inner deformation layer 302, the inner deformation layer 302 is made of butyronitrile rubber, and the inner deformation layer 302 generates elastic deformation when the pressure fluctuates, which can buffer instantaneous impact and reduce the risk of metal fatigue. The outer wall of the reinforcing rib 301 is fixedly connected with an outer deformation layer 303, the outer deformation layer 303 is made of polyurethane elastomer, and the outer deformation layer 303 has impact resistance and weather resistance, which can block external mechanical damage. The inner wall of the plurality of inner deformation layers 302 is fixedly connected with a pressure-bearing layer 304, the pressure-bearing layer 304 is made of chromium-molybdenum alloy steel, the pressure-bearing layer 304 forms a main pressure barrier, and relies on its high-temperature creep resistance to ensure the stability of the tank body 1 under long-term high-pressure storage and bear the main pressure in the tank body 1. The outer wall of the plurality of outer deformation layers 303 is fixedly connected with a protective layer 305, the protective layer 305 is made of carbon fiber reinforced resin matrix composite material, the protective layer 305 realizes lightweight protection with high strength, protects the tank body 1 from external physical damage, corrosion and other hazards, and at the same time reduces the weight of the tank body 1. The pressure-bearing layer 304 and the protective layer 305 are filled with a filling layer 306, the filling layer 306 is made of silica aerogel, the filling layer 306 forms an efficient heat shield barrier between the pressure-bearing layer 304 and the protective layer 305, reduces the material expansion difference caused by temperature change, ensures the cooperative work between the functional layers, and improves the overall performance of the tank body 1.

[0050] Specifically, the reinforcing rib 301 inhibits deformation of the tank body 1 and disperses stress, the inner deformation layer 302 cushions instantaneous impact and reduces the risk of metal fatigue, the outer deformation layer 303 blocks external mechanical damage, the pressure-bearing layer 304 bears main pressure to ensure high-pressure storage stability, the protective layer 305 protects the tank body from external hazards and reduces weight, and the filling layer 306 reduces material expansion differences. The various layers cooperate with each other to comprehensively enhance the performance of the tank body 1.

[0051] Working principle: After the air containing moisture is compressed and heated, part of the water will be precipitated due to the increase in air density, and will be adsorbed on the tank wall under the cooling of the tank wall. The condensed water flows along the inner wall of the tank body 1 and the grooves on the concave block 205, and finally flows through the circular hole 206 to the bottom of the tank body 1. When the condensed water accumulates to a certain depth, the float ball 203 will move upward due to the buoyancy of the water and contact the bottom of the circular hole 206. At this time, by opening the air cylinder 207 to generate power, the transmission block 208 is driven to move to the left side, realizing the leftward movement of the transmission block 208, which drives the transmission plate 210 to rotate. By using the guiding effect of the guiding groove 217 on the guiding block 216 at the bottom of the sliding plate 212, the rotation of the transmission plate 210 drives the sliding plate 212 to move to the middle, which drives the switch plate 214 to move to the middle and squeeze the sealing strip 215, thereby realizing the closing and sealing of the circular hole 206. Then, rotating the drain cover 218 at the bottom of the tank body 1 to drain the condensed water at the bottom of the tank body 1, while avoiding the loss of compressed air in the tank body 1;

[0052] The pressure-bearing layer 304 as the core carrier adopts high-strength chromium-molybdenum alloy steel to form a main pressure barrier, and its high-temperature creep resistance ensures long-term high-pressure storage stability. The reinforcing rib 301 is embedded in the periphery of the pressure-bearing layer 304 in an aluminum alloy ring structure, effectively inhibiting the deformation of the tank body 1 and dispersing local stress concentration. The inner deformation layer 302 is composed of flexible butyl rubber and produces elastic deformation when the pressure fluctuates, thereby cushioning instantaneous impact and reducing the risk of metal fatigue. The outer deformation layer 303 is wrapped with polyurethane elastomer, which has impact resistance and weather resistance, and blocks external mechanical damage. The filling layer 306 forms a high-efficiency heat barrier between the layers through the nano-porous structure of silica aerogel, reducing the material expansion difference caused by temperature changes. The outermost protective layer 305 is made of carbon fiber composite material, which realizes lightweight protection with high strength. The various functional layers complement each other in material properties and interlock in structure, comprehensively enhancing the performance of the tank body 1.

[0053] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, the made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A compressed air storage tank comprising a tank body (1), characterised in that: The inner wall of the tank body (1) is fixedly connected with a drainage mechanism (2), and the inside of the tank body (1) is provided with a reinforcing mechanism (3); The drainage mechanism (2) comprises a horizontal plate (201), the left and right sides of the horizontal plate (201) are fixedly connected to the inner wall of the tank body (1), the inner wall of the horizontal plate (201) is slidably connected with a sliding column (202), the top end of the sliding column (202) is fixedly connected with a floating ball (203), the inner wall of the tank body (1) is fixedly connected with a concave round block (205), a circular hole (206) is formed in the inside of the concave round block (205), a pneumatic cylinder (207) is fixedly connected in the inside of the concave round block (205), the driving end of the pneumatic cylinder (207) is fixedly connected with a transmission block (208), the top end of the transmission block (208) is fixedly connected with two fixed protruding rods (209) on the front and back sides, respectively, the outer wall of the fixed protruding rod (209) is rotatably connected with a transmission plate (210), a cavity (211) is formed in the inside of the concave round block (205), the inner wall of the cavity (211) is slidably connected with two sliding plates (212), the proximal side of each of the sliding plates (212) is fixedly connected with a switch plate (214), the proximal side of each of the two switch plates (214) is fixedly connected with a sealing strip (215), and the bottom of the tank body (1) is threadedly connected with a drainage cover (218).

2. A compressed air storage tank according to claim 1, characterized in that: The reinforcing mechanism (3) comprises a plurality of reinforcing ribs (301), the outer sides of the reinforcing ribs (301) are fixedly connected to the inside of the tank body (1), the inner wall of the reinforcing rib (301) is fixedly connected with an inner shape change layer (302), the outer wall of the reinforcing rib (301) is fixedly connected with an outer shape change layer (303), the inner wall of each of the inner shape change layers (302) is fixedly connected with a pressure bearing layer (304), the outer wall of each of the outer shape change layers (303) is fixedly connected with a protective layer (305), and the pressure bearing layer (304) and the protective layer (305) are filled with a filling layer (306).

3. A compressed air storage tank as defined in claim 1, characterized in that: The bottom end of the sliding column (202) is fixedly connected with a limiting block (204), the top side of the limiting block (204) is in contact with the bottom side of the horizontal plate (201), and the top of the floating ball (203) is in contact with the bottom of the circular hole (206).

4. A compressed air storage tank as defined in claim 1, wherein: The top end of the sliding plate (212) is fixedly connected with two fixed protruding rods (213), the outer walls of a plurality of the transmission plates (210) are rotatably connected to the outer walls of a plurality of the fixed protruding rods (213), and the outer wall of the transmission block (208) is slidably connected to the inner wall of the cavity (211).

5. A compressed air storage tank as defined in claim 1, wherein: The outer walls of the two switch plates (214) are slidably connected to the inner wall of the cavity (211), the bottom end of the sliding plate (212) is fixedly connected with two guide blocks (216), a plurality of guide grooves (217) are formed in the bottom inner wall of the cavity (211), and the outer wall of the guide block (216) is slidably connected to the inner wall of the guide groove (217).

6. A compressed air storage tank as defined in claim 2, wherein: The material of the reinforcing rib (301) is aluminum alloy, the material of the inner deformation layer (302) is butyronitrile rubber, and the material of the outer deformation layer (303) is polyurethane elastomer.

7. A compressed air storage tank as defined in claim 2, wherein: The material of the pressure bearing layer (304) is chromium molybdenum alloy steel, the material of the protection layer (305) is carbon fiber reinforced resin matrix composite material, and the material of the filling layer (306) is silica aerogel.

8. A compressed air storage tank as defined in claim 1, wherein: The left side of the tank body (1) is fixedly connected with an air inlet pipe (4), the right side of the tank body (1) is fixedly connected with an air outlet pipe (5), and the bottom corners of the tank body (1) are fixedly connected with supporting legs (6).

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