Shelter protective ceiling system with air inlet assembly and assembling method of shelter protective ceiling system

By installing protective ceiling members and air intake structures on the top of the cabin, the problems of protection and airflow flow at the top of the cabin are solved, and the buffering of fallen objects and the improvement of airflow is achieved.

CN120486795APending Publication Date: 2025-08-15YANG SERIES (SHANDONG) BIOTECHNOLOGY CO LTD
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Patent Information

Application Number
CN202510900012.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-01
Publication Date
2025-08-15

AI Technical Summary

Technical Problem

The top shell of the square cabin is directly exposed to the outside world and cannot be protected, resulting in deformation or damage, and relying on the window to intake leads to poor internal airflow flow.

Method used

The protective ceiling member is installed on the top of the cabin main body, including a protective jacket, a rubber protective sleeve, an isolation thermal plate, a buffer water bag and an intake structure, which buffers and absorbs the impact force of the fallen objects and improves the internal airflow flow through the intake passage and the fan.

Benefits of technology

Effectively protect the top of the cabin from impacts of drops, avoid deformation or damage, while improving internal airflow fluidity and preventing stuffy or dampness.

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Abstract

The invention relates to the field of square cabins, in particular to a square cabin protective ceiling system with an air inlet assembly and an assembling method thereof, and solves the problems that a square cabin top shell is directly exposed to the outside, falling objects cannot be protected, the square cabin top is deformed or damaged due to the falling objects in the air, air enters the square cabin through a window, and the safety of the square cabin is affected. And the air flow fluidity in the square cabin is poor. The shelter protective ceiling system with the air inlet assembly comprises a shelter body, a top plate is detachably installed on the top of the shelter body, a protective ceiling component is fixed to the top of the top plate, and the protective ceiling component comprises a protective outer sleeve. A plurality of rubber protection sleeves are distributed in the protection outer sleeve in a rectangular array mode. The protective ceiling component is additionally arranged on the top of the square cabin body, so that falling objects in the air are buffered and blocked, the square cabin body is protected, and the situation that the square cabin body is deformed or damaged due to impact of the falling objects is avoided.
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Description

Technical Field

[0001] The present invention relates to the field of shelters, and in particular to a shelter protective ceiling system with an air intake assembly and an assembly method thereof. Background Art

[0002] A square cabin is a transportable box-type workroom made of a combination of various strong materials, with a fixed or expandable volume and protective properties. It is used in military command, medical care, logistics support and other fields. Its design refers to container standards, but with enhanced reliability, airtightness, and electromagnetic compatibility. Through standardized and modular design, the square cabin has become a "mobile fortress" for responding to emergencies, and its value is particularly significant in the fields of public health and the military.

[0003] However, the top shell of the existing shelter is directly exposed to the outside world and cannot protect against falling objects, causing the top of the shelter to be deformed or damaged by falling objects from the air. In addition, the shelter relies on windows for air intake, resulting in poor air flow inside the shelter. Therefore, it does not meet the existing needs. In this regard, we propose a shelter protective ceiling system with an air intake component and an assembly method thereof. Summary of the Invention

[0004] The purpose of the present invention is to provide a cabin protective ceiling system with an air intake assembly and an assembly method thereof, so as to solve the problems proposed in the above-mentioned background technology that the top shell of the cabin is directly exposed to the outside world and cannot provide protection against falling objects, resulting in deformation or damage to the cabin top due to falling objects from the air, and the cabin relies on windows for air intake, resulting in poor air flow inside the cabin.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a cabin protective ceiling system with an air intake assembly, comprising a cabin body, a top plate detachably mounted on the top of the cabin body, a protective ceiling component fixed on the top of the top plate, the protective ceiling component comprising a protective jacket, a plurality of rubber protective sleeves distributed in a rectangular array inside the protective jacket, adjacent rubber protective sleeves are filled with filling silicone strips, two upper and lower isolated heat conducting plates are fixed inside the rubber protective sleeve, an intermediate water bag is provided between the two isolated heat conducting plates, a buffer water bag is provided between the two isolated heat conducting plates and the rubber protective sleeve, clean water is injected into the intermediate water bag and the buffer water bag, a plurality of positioning holes are provided on the surface of the buffer water bag, a buffer spring is provided on the inner side of the positioning hole, and the natural height of the buffer spring is consistent with the height of the buffer water bag after clean water is injected.

[0006] Preferably, a first buffer steel plate and a second buffer steel plate are provided inside the top of the protective jacket, the second buffer steel plate is located below the first buffer steel plate, the first buffer steel plate and the second buffer steel plate are both aluminum alloy plates, and the outer surface of the protective jacket is coated with a heat insulation coating.

[0007] Preferably, a plurality of metal elastic support rings are distributed in a rectangular array between the first buffer steel plate and the second buffer steel plate. The metal elastic support rings are made of spring steel and have a rectangular cross-section.

[0008] Preferably, an air intake structure is provided inside the top plate, and the air intake structure includes an air intake channel. The two ports of the air intake channel are located on both sides of the top plate and are flush with the side surfaces of the top plate. An air intake hole is provided in the middle of the bottom of the air intake channel, and an air intake fan is installed inside the air intake hole. A connecting air pipe is fixed to the bottom end of the air intake hole, and the bottom end of the connecting air pipe passes through the top of the cabin body and extends to the inside of the cabin body.

[0009] Preferably, an air intake frame is clamped on the inner side of both ports of the air intake channel, sealant is filled between the outer side of the air intake frame and the inner wall of the air intake channel, and a blocking baffle is embedded on the inner side of the air intake channel, and a plurality of air holes are distributed in a rectangular array on the surface of the blocking baffle.

[0010] Preferably, a plurality of guide plates evenly spaced vertically are fixed inside the air intake frame, one end of the guide plate is tilted downward at 30 degrees, and the other end of the guide plate is bent upward and perpendicular to the ground, and a drainage trough is provided at the bottom of the air intake frame.

[0011] Preferably, the bottom of the top plate is provided with four symmetrically distributed top reinforcement connectors, and the top reinforcement connectors include a bottom pressure plate and a fixed connection plate. The four fixed connection plates are fixed at the four end corners of the bottom of the top plate, and the four bottom pressure plates are located below the four end corners of the bottom of the cabin body. The upper surface of the bottom pressure plate and the bottom surface of the fixed connection plate are both provided with threaded holes.

[0012] Preferably, a binding wire rope is provided between the bottom pressure plate and the fixed connecting plate, and connecting blocks are fixed at both ends of the binding wire rope. A rotating threaded rod is installed at the other end of the connecting block, and one end of the rotating threaded rod is screwed into the threaded hole through a thread.

[0013] Preferably, a T-shaped connecting rod is inserted axially through the rotating threaded rod, one end of the T-shaped connecting rod is fixed to the connecting block, and the rotating threaded rod is rotatably connected to the T-shaped connecting rod.

[0014] A method for assembling a shelter protective ceiling system with an air intake assembly comprises the following steps: S1: First, place the four bottom pressure plates under the four corners of the bottom of the shelter body, and place the top plate on the top of the shelter body, and ensure that the fixed connecting plate is in contact with the corners of the top of the shelter body; S2: Align the two rotating threaded rods at both ends of the restraining wire rope with the bottom pressure plate and the fixed connecting plate respectively, and rotate the rotating threaded rods so that the rotating threaded rods are screwed into the threaded holes; S3: until the restraining wire rope is in a taut state, at which point the bottom pressure plate, fixed connecting plate, rotating threaded rod, connecting block, and restraining wire rope exert downward pulling force on the top plate, so that the top plate is fixed to the top of the shelter body; S4: Then, clean water is injected into the middle water bag and the buffer water bag, and the buffer spring is installed inside the positioning hole, and the middle water bag, the buffer water bag and the buffer spring are sealed with a rubber protective cover; S5: Distribute the sealed rubber protective sleeves in a rectangular array inside the protective jacket, apply a layer of waterproof adhesive on the upper surface of the top plate, and then align the bottom of the protective jacket with the upper surface of the top plate and press them tightly; S6: Finally, clamp the air intake frame to the port of the air intake channel and connect it with sealant, and clamp the blocking baffle to the inner side of the air intake channel.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention adds a protective roof member on the top of the cabin body to cushion and block falling objects from the air, thereby protecting the cabin body and preventing the cabin body from being deformed or damaged due to the impact of falling objects.

[0016] 2. The present invention increases the air flow inside the cabin body by adding an air intake structure on the top of the cabin body, thereby avoiding stuffiness or humidity inside the cabin body.

[0017] 3. The present invention uses the buffer water bag and the intermediate water bag inside the protective roof component to absorb the heat directly from the sunlight on the top of the cabin body, thereby preventing the temperature inside the cabin body from rising. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic structural diagram of the present invention as a whole; Figure 2 This is a schematic structural diagram of the protective ceiling component of the present invention; Figure 3 This is a cross-sectional view of the structure of the protective jacket and rubber protective sleeve of the present invention; Figure 4 This is a cross-sectional view of the structure of the top plate of the present invention; Figure 5 for Figure 3 A magnified view of the structure at point A; Figure 6It is a structural schematic diagram of the air intake frame and the guide plate of the present invention; Figure 7 This is a schematic structural diagram of the top reinforcement connector of the present invention; Figure 8 This is a structural cross-sectional view of the bottom pressure plate and the fixed connecting plate of the present invention.

[0019] Figure: 1. Shelter body; 2. Top reinforcement connector; 201. Bottom pressure plate; 202. Fixed connection plate; 203. Rotating threaded rod; 204. Connecting block; 205. Tie wire rope; 206. Threaded hole; 207. T-shaped connecting rod; 3. Top plate; 4. Protective roof member; 401. Protective jacket; 402. Rubber protective cover; 403. Filling silicone strip; 404. Isolation heat conduction plate; 405. Intermediate water Bag; 406, buffer water bag; 407, buffer spring; 408, positioning hole; 409, first buffer steel plate; 410, second buffer steel plate; 411, metal elastic support ring; 5, air intake structure; 501, air intake frame; 502, guide plate; 503, drain trough; 504, blocking partition; 505, air vent; 506, air intake hole; 507, air intake fan; 508, connecting air pipe; 509, air intake channel. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0021] like Figure 1 As shown, a cabin protective ceiling system with an air intake assembly includes a cabin body 1, a top plate 3 is detachably installed on the top of the cabin body 1, a protective ceiling component 4 is fixed on the top of the top plate 3, an air intake structure 5 is provided inside the top plate 3, and four symmetrically distributed top reinforcement connectors 2 are provided at the bottom of the top plate 3.

[0022] like Figure 2 、 Figure 3 and Figure 5As shown, the protective roof member 4 includes a protective outer shell 401, and a plurality of rubber protective sleeves 402 are distributed in a rectangular array inside the protective outer shell 401. A filling silicone strip 403 is filled between adjacent rubber protective sleeves 402. Two upper and lower isolated heat conducting plates 404 are fixed inside the rubber protective sleeve 402. An intermediate water bag 405 is provided between the two isolated heat conducting plates 404. A buffer water bag 406 is provided between the two isolated heat conducting plates 404 and the rubber protective sleeve 402. Clean water is injected into the intermediate water bag 405 and the buffer water bag 406. The surface of the buffer water bag 406 is penetrated by a plurality of Positioning hole 408, a buffer spring 407 is provided on the inner side of the positioning hole 408, the natural height of the buffer spring 407 is consistent with the height of the buffer water bag 406 after the clean water is injected, and the intermediate water bag 405 and the buffer water bag 406 are used to increase the elasticity of the rubber protective cover 402, and the rubber protective cover 402 is distributed in a rectangular array inside the protective jacket 401. After an external object falls on the protective jacket 401, the protective jacket 401, the intermediate water bag 405, and the buffer water bag 406 are deformed due to the impact and absorb and offset the impact force, thereby preventing the falling object from deforming or damaging the top of the cabin due to the impact.

[0023] A first buffer steel plate 409 and a second buffer steel plate 410 are provided inside the top of the protective jacket 401. The second buffer steel plate 410 is located below the first buffer steel plate 409. The first buffer steel plate 409 and the second buffer steel plate 410 are both aluminum alloy plates. The outer surface of the protective jacket 401 is coated with a heat insulation coating.

[0024] A plurality of metal elastic support rings 411 are distributed in a rectangular array between the first buffer steel plate 409 and the second buffer steel plate 410. The metal elastic support rings 411 are made of spring steel and have a rectangular cross-section. After the first buffer steel plate 409 and the second buffer steel plate 410 come into contact with a falling object, the impact can be evenly transferred to all rubber protective covers 402. The metal elastic support rings 411 can elastically deform when the first buffer steel plate 409 is impacted, so that the first buffer steel plate 409 moves closer to the second buffer steel plate 410, thereby preventing the first buffer steel plate 409 from being unable to move and being deformed or damaged due to the impact of the drop.

[0025] like Figure 1 、 Figure 4 、 Figure 5 and Figure 6As shown, the air intake structure 5 includes an air intake channel 509, the two ports of the air intake channel 509 are located on both sides of the top plate 3 and are flush with the side surfaces of the top plate 3, an air intake hole 506 is provided in the middle of the bottom of the air intake channel 509, an air intake fan 507 is installed inside the air intake hole 506, a connecting air pipe 508 is fixed to the bottom end of the air intake hole 506, the bottom end of the connecting air pipe 508 passes through the top of the cabin body 1 and extends to the interior of the cabin body 1, the air intake fan 507 is used to suck the external air flow from the port of the air intake channel 509 into the interior of the top plate 3, and the air flow is transported into the interior of the cabin body 1 through the air intake hole 506 and the connecting air pipe 508, so as to ensure the air flow inside the cabin body 1, thereby avoiding the cabin body 1 from being stuffy or humid due to the lack of air circulation.

[0026] The air intake frame 501 is clamped on the inner side of the two ports of the air intake channel 509, and the outer side of the air intake frame 501 and the inner wall of the air intake channel 509 are filled with sealant. The inner side of the air intake channel 509 is inlaid with a blocking baffle 504. The surface of the blocking baffle 504 is distributed with a plurality of air holes 505 in a rectangular array. The blocking baffle 504 is used to filter and intercept the airflow to prevent external debris such as leaves, plastic, and paper from entering the interior of the air intake channel 509.

[0027] A plurality of guide plates 502 are fixed inside the air intake frame 501 and are evenly spaced up and down. One end of the guide plate 502 is tilted downward at 30 degrees, and the other end of the guide plate 502 is bent upward and perpendicular to the ground. A drainage groove 503 is provided at the bottom of the air intake frame 501. The guide plate 502 is used to separate the interior of the air intake frame 501, so that rainwater that passes through the blocking partition 504 and enters the air intake frame 501 slides along the guide plate 502 toward the drainage groove 503 and is discharged from the air intake frame 501 through the drainage groove 503, thereby preventing external rainwater from passing through the air intake frame 501 and entering the air intake channel 509, thereby ensuring the dryness of the air intake channel 509, and the air intake structure 5 can still be used in rainy environments and ensure the air flow inside the cabin body 1.

[0028] like Figure 1 、 Figure 7 and Figure 8As shown, the top reinforcement connector 2 includes a bottom pressure plate 201 and a fixed connection plate 202. The four fixed connection plates 202 are fixed at the four end corners of the bottom of the top plate 3. The four bottom pressure plates 201 are located below the four end corners of the bottom of the cabin body 1. The upper surface of the bottom pressure plate 201 and the bottom surface of the fixed connection plate 202 are both provided with threaded holes 206. A binding wire rope 205 is provided between the bottom pressure plate 201 and the fixed connection plate 202. Both ends of the binding wire rope 205 are fixed with a connecting block 20 4. A rotating threaded rod 203 is installed at the other end of the connecting block 204. One end of the rotating threaded rod 203 is screwed into the threaded hole 206 through a thread. The bottom pressure plate 201 and the fixed connecting plate 202 are tightened by the rotating threaded rod 203, the connecting block 204, and the binding wire rope 205. The bottom pressure plate 201 is pressed downward by the cabin body 1, thereby ensuring that the top plate 3 is fixed to the top of the cabin body 1 and will not fall from the top of the cabin body 1 due to external vibrations or strong winds.

[0029] A T-shaped connecting rod 207 is inserted axially through the rotating threaded rod 203, and one end of the T-shaped connecting rod 207 is fixed to the connecting block 204. The rotating threaded rod 203 is rotatably connected to the T-shaped connecting rod 207. The T-shaped connecting rod 207 ensures that the rotating threaded rod 203 and the connecting block 204 always maintain contact without affecting the free rotation of the rotating threaded rod 203, making it convenient for the rotating threaded rod 203 to be installed or disassembled.

[0030] A method for assembling a shelter protective ceiling system with an air intake assembly comprises the following steps: S1: First, place the four bottom pressure plates 201 below the four corners of the bottom of the cabin body 1, and place the top plate 3 on the top of the cabin body 1, and ensure that the fixed connecting plate 202 is in contact with the top corners of the cabin body 1; S2: Align the two rotating threaded rods 203 at both ends of the restraining wire rope 205 with the bottom pressure plate 201 and the fixed connecting plate 202 respectively, and rotate the rotating threaded rods 203 so that the rotating threaded rods 203 are screwed into the threaded holes 206; S3: until the restraining wire rope 205 is in a taut state, at which point the bottom pressure plate 201, the fixed connecting plate 202, the rotating threaded rod 203, the connecting block 204, and the restraining wire rope 205 exert downward tension on the top plate 3, so that the top plate 3 is fixed to the top of the shelter body 1; S4: Then, clean water is injected into the middle water bag 405 and the buffer water bag 406, and the buffer spring 407 is installed inside the positioning hole 408. The middle water bag 405, the buffer water bag 406 and the buffer spring 407 are sealed with the rubber protective cover 402; S5: Distribute the sealed rubber protective sleeves 402 in a rectangular array inside the protective jacket 401, apply a layer of waterproof adhesive on the upper surface of the top plate 3, and then align the bottom of the protective jacket 401 with the upper surface of the top plate 3 and press them tightly; S6: Finally, the air intake frame 501 is clamped to the port of the air intake channel 509 and connected using sealant, and the blocking baffle 504 is clamped to the inner side of the air intake channel 509.

[0031] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A shelter protective ceiling system with an air intake assembly, comprising a shelter body (1), characterized in that: A top plate (3) is detachably mounted on the top of the cabin body (1), a protective roof member (4) is fixed on the top of the top plate (3), and the protective roof member (4) includes a protective jacket (401), a plurality of rubber protective sleeves (402) are distributed in a rectangular array inside the protective jacket (401), and a filling silicone strip (403) is filled between adjacent rubber protective sleeves (402), and two isolation heat conducting plates (404) distributed up and down are fixed inside the rubber protective sleeve (402), and the two isolation heat conducting plates (404), a middle water bag (405) is provided between the two isolating heat conducting plates (404) and the rubber protective sleeve (402), a buffer water bag (406) is provided between each of the two isolating heat conducting plates (404), and clean water is injected into the interior of the middle water bag (405) and the buffer water bag (406), a plurality of positioning holes (408) are provided through the surface of the buffer water bag (406), a buffer spring (407) is provided on the inner side of the positioning hole (408), and the natural height of the buffer spring (407) is consistent with the height of the buffer water bag (406) after the clean water is injected.

2. The shelter protective ceiling system with an air intake assembly according to claim 1, characterized in that: A first buffer steel plate (409) and a second buffer steel plate (410) are provided inside the top of the protective jacket (401), the second buffer steel plate (410) is located below the first buffer steel plate (409), the first buffer steel plate (409) and the second buffer steel plate (410) are both aluminum alloy plates, and the outer surface of the protective jacket (401) is coated with a heat insulation coating.

3. The shelter protective ceiling system with an air intake assembly according to claim 2, characterized in that: A plurality of metal elastic support rings (411) are distributed in a rectangular array between the first buffer steel plate (409) and the second buffer steel plate (410), and the metal elastic support rings (411) are made of spring steel and have a rectangular cross-section.

4. The shelter protective ceiling system with an air intake assembly according to claim 3, characterized in that: An air intake structure (5) is provided inside the top plate (3), and the air intake structure (5) includes an air intake channel (509). Two ports of the air intake channel (509) are located on both sides of the top plate (3) and are flush with the side surfaces of the top plate (3). An air intake hole (506) is provided in the middle of the bottom of the air intake channel (509), and an air intake fan (507) is installed inside the air intake hole (506). A connecting air pipe (508) is fixed to the bottom end of the air intake hole (506), and the bottom end of the connecting air pipe (508) passes through the top of the cabin body (1) and extends to the inside of the cabin body (1).

5. The shelter protective ceiling system with an air intake assembly according to claim 4, characterized in that: An air intake frame (501) is clamped on the inner sides of the two ports of the air intake channel (509), and a sealant is filled between the outer side of the air intake frame (501) and the inner wall of the air intake channel (509). A blocking baffle (504) is embedded on the inner side of the air intake channel (509), and a plurality of air holes (505) are distributed in a rectangular array on the surface of the blocking baffle (504).

6. The shelter protective ceiling system with an air intake assembly according to claim 5, characterized in that: A plurality of guide plates (502) are fixed inside the air intake frame (501) and are evenly spaced. One end of the guide plate (502) is tilted downward at 30 degrees, and the other end of the guide plate (502) is bent upward and perpendicular to the ground. A drainage trough (503) is provided at the bottom of the air intake frame (501).

7. The shelter protective ceiling system with an air intake assembly according to claim 6, characterized in that: The bottom of the top plate (3) is provided with four symmetrically distributed top reinforcement connectors (2), the top reinforcement connectors (2) comprising a bottom pressure plate (201) and a fixed connection plate (202), the four fixed connection plates (202) being fixed at the four end corners of the bottom of the top plate (3), the four bottom pressure plates (201) being located below the four end corners of the bottom of the cabin body (1), and the upper surface of the bottom pressure plate (201) and the bottom surface of the fixed connection plate (202) are both provided with threaded holes (206).

8. The shelter protective ceiling system with an air intake assembly according to claim 7, characterized in that: A binding steel wire rope (205) is provided between the bottom pressure plate (201) and the fixed connection plate (202), and a connection block (204) is fixed to both ends of the binding steel wire rope (205). A rotating threaded rod (203) is installed at the other end of the connection block (204), and one end of the rotating threaded rod (203) is screwed into the interior of the threaded hole (206) through a thread.

9. The shelter protective ceiling system with an air intake assembly according to claim 8, characterized in that: A T-shaped connecting rod (207) is inserted through the axial direction of the rotating threaded rod (203), one end of the T-shaped connecting rod (207) is fixed to the connecting block (204), and the rotating threaded rod (203) is rotatably connected to the T-shaped connecting rod (207).

10. The method for assembling a shelter protective ceiling system with an air intake assembly according to claim 9, characterized in that: The following steps are involved: S1: First, four bottom pressure plates (201) are placed below the four end corners of the bottom of the cabin body (1), and the top plate (3) is placed on the top of the cabin body (1), and the fixed connecting plate (202) is ensured to be in contact with the top end corners of the cabin body (1); S2: Align the two rotating threaded rods (203) at both ends of the binding wire rope (205) with the bottom pressure plate (201) and the fixed connection plate (202), respectively, and rotate the rotating threaded rods (203) so that the rotating threaded rods (203) are screwed into the threaded holes (206); S3: until the binding wire rope (205) is in a taut state, at which time the bottom pressure plate (201), the fixed connecting plate (202), the rotating threaded rod (203), the connecting block (204), and the binding wire rope (205) exert a downward pulling force on the top plate (3), so that the top plate (3) is fixed to the top of the cabin body (1); S4: Then, clean water is injected into the middle water bag (405) and the buffer water bag (406), and the buffer spring (407) is installed inside the positioning hole (408), and the middle water bag (405), the buffer water bag (406), and the buffer spring (407) are sealed using the rubber protective cover (402); S5: Distribute the closed rubber protective sleeves (402) in a rectangular array inside the protective jacket (401), apply a layer of waterproof adhesive on the upper surface of the top plate (3), and then align the bottom of the protective jacket (401) with the upper surface of the top plate (3) and press them tightly; S6: Finally, the air intake frame (501) is clamped to the port of the air intake channel (509) and connected using a sealant, and the blocking baffle (504) is clamped to the inner side of the air intake channel (509).