Steel sheet pile cofferdam lock catch anti-leakage structure
By using the steel sheet pile cofferdam interlocking anti-seepage structure, and utilizing the design of the interlocking sealing ring and the water-swellable rubber expansion part, the problem of insufficient anti-seepage of traditional steel sheet piles in underwater environment is solved, and the structure achieves corrosion resistance and environmental friendliness.
Patent Information
- Application Number
- CN202520043316.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-08
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-08
AI Technical Summary
Traditional steel sheet piles have insufficient seepage prevention performance at the joints in underwater or humid environments, leading to structural corrosion and environmental pollution problems.
The steel sheet pile cofferdam uses a locking anti-seepage structure, which includes the locking body, locking bending point, first and second locking points, locking sealing ring and water-swellable rubber expansion part. It prevents water penetration through interlocking connection and sealing design.
It effectively prevents moisture penetration, protects the steel sheet pile structure from corrosion, reduces environmental pollution, extends service life, adapts to minor changes, and improves the overall performance of the structure.
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Figure CN223723777U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to steel sheet pile leakproof structure technical field especially relates to a steel sheet pile cofferdam lock buckle anti -permeation structure. BACKGROUND
[0002] In the fields of civil engineering, water conservancy engineering and ocean engineering, steel sheet piles are widely used as a common structural material due to their high strength, recyclability, and fast construction speed. Steel sheet piles are often used as temporary or permanent retaining walls, dams, wharfs, and other structural supports. In these applications, steel sheet piles need to form a continuous wall or structure to withstand soil pressure, water pressure, and other external loads.
[0003] Despite the many advantages of steel sheet piles, in practical applications, especially in underwater or wet environments, the connection of traditional steel sheet piles has the problem of insufficient anti -permeability. Water can penetrate through the connection gap of the steel sheet pile, causing corrosion inside the structure, reducing the stability and service life of the structure. In addition, water penetration can also affect the surrounding environment, for example, it can cause soil erosion or contaminate groundwater.
[0004] To solve this problem, various anti -permeability technologies have been developed. These technologies include the use of sealing pads, waterproof coatings, and special connection designs to reduce water penetration. However, these solutions often have limitations such as complex installation, high cost, insufficient durability, or not suitable for all environmental conditions, so a steel sheet pile cofferdam lock buckle anti -permeation structure is proposed to solve the above problems. SUMMARY
[0005] The purpose of the utility model is to solve the above -mentioned problems, and provide a steel sheet pile cofferdam lock buckle anti -permeation structure.
[0006] To solve the above technical problems, the utility model adopts the following technical scheme: a steel sheet pile cofferdam lock buckle anti -permeation structure, including steel sheet pile body and connecting structure, including:
[0007] The connecting structure is provided on both sides of the steel sheet pile body;
[0008] The connecting structure includes a lock buckle main body, a lock buckle bending point, a first lock buckle point and a second lock buckle point;
[0009] The adjacent steel sheet pile bodies are connected by mutually inverted first lock buckle points and second lock buckle points;
[0010] The connecting structure further includes a lock buckle sealing ring and an expansion part provided in the lock buckle main body.
[0011] Further, the first locking point and the second locking point are both semicircular, and the outer surface of the second locking point is matched with the inner wall of the first locking point.
[0012] Further, the locking seal ring is arranged on the inner wall of the first locking point.
[0013] The locking seal ring is made of elastic material.
[0014] Further, the second locking point is internally provided with an arc-shaped groove.
[0015] The expansion part is arranged in the arc-shaped groove.
[0016] The expansion part is water-expanding rubber, and is used to expand to fill the cavity formed between the two second locking points when the two second locking points are connected.
[0017] Further, the side of the expansion part close to the second locking point is provided with a friction surface.
[0018] The utility model discloses the beneficial effect is reflected in:
[0019] The utility model discloses can effectively prevent moisture penetration, protect the pile body from corrosion, prolong the service life, and the environment is friendly: reduce moisture penetration, reduce the influence to the surrounding environment, especially in underwater construction, reduce the pollution to the water body, and the adaptability is strong: the expansion characteristic of water-expanding rubber makes the steel sheet pile connecting place can adapt to the slight change and the inhomogeneity, improves the overall performance of structure. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is the perspective view of the utility model;
[0021] Figure 2 It is the structure front view of the utility model;
[0022] Figure 3 It is the connection structure structure enlarged schematic view of the utility model;
[0023] Figure 4 It is the connection structure combination schematic view of the utility model.
[0024] In the drawing:
[0025] 1, steel sheet pile body;
[0026] 2, connection structure;21, locking main body;22, locking bending point;23, first locking point;24, second locking point;25, locking seal ring;26, expansion part. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. In the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0028] Please refer to Figures 1-4 The utility model discloses a steel sheet pile cofferdam lock catch anti -leak structure, including steel sheet pile body 1 and connecting structure 2, including:
[0029] Connecting structure 2 is arranged on both sides of the steel sheet pile body 1;
[0030] Need to explain, the steel sheet pile body 1 is composed of parallel steel sheet and two inclined steel sheets, and the two steel sheets are symmetrically arranged.
[0031] In order to increase the anti -leak capacity, connecting structure 2 includes lock catch main body 21, lock catch inflection point 22, first lock catch point 23 and second lock catch point 24;
[0032] Adjacent steel sheet pile body 1 is connected by interlocking through first lock catch point 23 and second lock catch point 24 of mutual inversion;
[0033] Connecting structure 2 further includes lock catch sealing ring 25 and expansion part 26 arranged in lock catch main body 21.
[0034] Specifically, two steel sheet pile bodies 1 should be connected more closely as far as possible.
[0035] And as shown in the accompanying Figure 3 Connecting structure lock catch 2 includes, in order, lock catch main body 21, lock catch inflection point 22, first lock catch point 23, second lock catch point 24, lock catch sealing ring 25 and expansion part 26;
[0036] Further, first lock catch point 23 and second lock catch point 24 are both semicircular, and the outer surface of second lock catch point 24 is adapted to the inner wall of first lock catch point 23.
[0037] Specifically, first lock catch point 23 and lock catch inflection point 22 form a large semicircular steel sheet, and second lock catch point 24 is a small semicircular steel sheet.
[0038] The large semicircular steel sheet formed by first lock catch point 23 and lock catch inflection point 22 of the preceding steel sheet pile body 1 is combined with the connecting structure 2 of the following steel sheet pile body 1, and specifically, is connected with the small semicircular steel sheet formed by second lock catch point 24 of another steel sheet pile.
[0039] The outer radius of the inner joint should be close to the inner radius of the outer joint to ensure a tight connection.
[0040] Meanwhile, in order to enhance the connection between the outer and inner joint parts, the locking seal ring 25 is further disposed on the inner wall of the first locking point 23; the locking seal ring 25 is made of elastic material, which is oil-resistant, water-resistant and aging-resistant. A semi-circular locking seal ring 25 is arranged in the inner joint part of the lock, so that the connection between the inner and outer joint parts is tighter.
[0041] Furthermore, an arc-shaped groove is provided inside the second locking point 24;
[0042] The expansion portion 26 is disposed within the arc-shaped groove;
[0043] The expansion part 26 is water-swellable rubber. The expansion part 26 is used to expand when exposed to water to fill the cavity formed between the two second locking points 24 during locking. The expansion part 26 is arranged in an arc shape on the inner side of the inner joint part.
[0044] Furthermore, the expansion portion 26 is provided with a friction surface on the side near the second locking point 24.
[0045] The contact surface between the expansion portion 26 and the steel plate is textured or grooved to increase friction. After the inner and outer joints of the two sheet piles are joined, a gap is left inside. The size and shape of the locking structure are designed according to the size and expansion characteristics of water-swellable rubber to ensure that the rubber can expand freely in the locking structure without restriction.
[0046] Meanwhile, in this invention, the direction of the connecting portion is not fixed and can be changed according to the requirements.
[0047] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.
[0048] In addition, if the description of "first", "second" and the like is involved in the embodiments of the present application, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor in the protection scope required by the present application.
[0049] In addition, "a plurality of" means two or more.
[0050] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A steel sheet pile cofferdam lock buckle anti-leakage structure comprising a steel sheet pile body (1) and a connecting structure (2), characterized in that, The utility model relates to a steel sheet pile body (1) and a connecting structure (2) for connecting adjacent steel sheet pile bodies (1), and the connecting structure (2) is arranged on both sides of the steel sheet pile body (1). The connecting structure (2) comprises a lock body (21), a lock bending point (22), a first lock point (23) and a second lock point (24). Adjacent steel sheet pile bodies (1) are connected by mutually inverting first lock points (23) and second lock points (24). The connecting structure (2) further comprises a lock sealing ring (25) and an expansion part (26) arranged in the lock body (21). The first lock point (23) and the second lock point (24) are both semicircular, and the outer surface of the second lock point (24) is adapted to the inner wall of the first lock point (23).
2. The anti-leakage structure of the lock buckle of the steel sheet pile cofferdam according to claim 1, characterized in that: The lock sealing ring (25) is arranged on the inner wall of the first lock point (23).
3. The leakage-proof structure of the lock buckle of the steel sheet pile cofferdam according to claim 1, characterized in that: The lock sealing ring (25) is made of elastic material. An arc-shaped groove is formed in the second lock point (24).
4. The leakage-proof structure of the lock buckle of the steel sheet pile cofferdam according to claim 1, characterized in that: The expansion part (26) is arranged in the arc-shaped groove. The expansion part (26) is made of water-swelling rubber, and the expansion part (26) swells when it comes into contact with water to fill the cavity formed between two second lock points (24) when the lock is connected. A friction surface is arranged on the side of the expansion part (26) close to the second lock point (24).
5. The leakage-proof structure of the lock of the steel sheet pile cofferdam according to claim 1, characterized in that: