Convenient composite water stop connecting device

Abstract

The application relates to the technical field of waterstop belts, and particularly provides a convenient composite waterstop connecting device, which aims to solve the problems of unstable connection between adjacent waterstop belts and inconvenient operation. To this end, the waterstop connecting device comprises a first clamping plate and a second clamping plate arranged opposite to the first clamping plate, a clamping space for accommodating the waterstop belt is formed between the first clamping plate and the second clamping plate; a locking piece is connected between the first clamping plate and the second clamping plate, the locking piece is used for adjusting the distance between the first clamping plate and the second clamping plate so that the first clamping plate and the second clamping plate clamp and fix the adjacent waterstop belts. The convenient composite waterstop connecting device provided by the application replaces the traditional gluing or hot melting process by adopting a mechanical locking structure, thereby significantly improving the connecting strength of the waterstop belt and greatly improving the construction efficiency.

Description

Technical Field

[0001] This application relates to the field of waterstop technology, specifically providing a convenient composite waterstop connection device. Background Technology

[0002] A waterstop is an elastic rubber component used for waterproofing in civil engineering projects. It is typically embedded in concrete joints and prevents surface water from seeping through the joints through its elastic deformation and sealing properties. In underground engineering projects such as tunnels, where the lining is constructed in sections, waterstops are needed to seal the construction joints between adjacent concrete sections. Because the length of a single waterstop is limited and the number of tunnel lining joints is numerous, multiple waterstop sections must be connected during construction. This makes the joint area a critical node in the entire waterproofing system, and its connection quality directly affects the overall waterproofing effect of the tunnel.

[0003] In related technologies, waterstop connection techniques are mainly divided into two categories: cold bonding and hot bonding, but both have drawbacks. Cold bonding uses adhesives to bond the ends of the waterstop. While convenient, the adhesive layer becomes rigid after curing, making it prone to brittle fracture under the force of concrete vibration or structural deformation. Furthermore, the adhesive has poor water resistance, easily swelling and detaching after prolonged immersion in water. The bonding surface also requires strict cleanliness, which is difficult to guarantee in the humid environment of tunnels. Hot bonding uses vulcanization to cross-link the rubber molecular chains, theoretically achieving a connection strength comparable to the base material. However, it requires bulky vulcanization equipment. After the tunnel invert is constructed, the dense steel mesh creates limited space, making equipment placement difficult. Additionally, the vulcanization process requires precise control of temperature and time parameters, placing extremely high demands on on-site construction conditions and personnel skills, making it often difficult to implement in actual projects. Neither of these methods effectively addresses the reliable connection requirements under complex tunnel conditions, becoming a significant technical bottleneck restricting waterproofing quality.

[0004] Therefore, a new technical solution is needed in this field to solve the above problems. Utility Model Content

[0005] This application aims to solve the above-mentioned technical problems. Specifically, in the existing waterstop connection technology, the cold bonding method has the defects of low bonding strength, poor water resistance and easy failure due to external impact; the hot bonding method faces the bottlenecks of limited equipment space, complex procedures and insufficient adaptability to on-site construction. Both are difficult to meet the connection requirements of high strength and long-term waterproofing under the complex working conditions of tunnels.

[0006] In a first aspect, this application provides a convenient composite waterstop connection device for connecting waterstop strips, comprising:

[0007] A first clamping plate and a second clamping plate disposed opposite to the first clamping plate, wherein a clamping space for accommodating the waterstop is formed between the first clamping plate and the second clamping plate;

[0008] A locking element is connected between the first clamping plate and the second clamping plate. The locking element is used to adjust the distance between the first clamping plate and the second clamping plate so that the first clamping plate and the second clamping plate clamp and fix the adjacent waterstop.

[0009] Optionally, the first clamping plate includes a first substrate and a first elastic layer covering the outside of the first substrate, and the second clamping plate includes a second substrate and a second elastic layer covering the outside of the second substrate.

[0010] Optionally, the first substrate is integrally formed with the first elastic layer; and / or, the second substrate is integrally formed with the second elastic layer.

[0011] Optionally, multiple locking elements are provided along the circumference of the first clamping plate and the second clamping plate;

[0012] The first substrate includes a first main board and a first reinforcing rib disposed along the edge of the first main board, and the locking member is disposed near the first reinforcing rib; and / or,

[0013] The second substrate includes a second main board and a second reinforcing rib disposed along the edge of the second main board, and the locking member is also disposed near the second reinforcing rib.

[0014] Optionally, the locking element includes:

[0015] Bolts, which pass sequentially through the first clamping plate and the second clamping plate;

[0016] A nut, which is threaded to the bolt, and the nut abuts against the surface of the second clamping plate away from the first clamping plate.

[0017] Optionally, the surface of the first clamping plate opposite to the second clamping plate is provided with intersecting first and second water-blocking ribs, and multiple first and second water-blocking ribs are arranged side by side.

[0018] Optionally, the second clamping plate has a third and a fourth water-blocking rib that intersect each other on the surface opposite to the first clamping plate, and multiple third and fourth water-blocking ribs are arranged side by side.

[0019] Optionally, the convenient composite waterproofing connection device further includes:

[0020] A first sealant layer (141) is disposed between the first clamping plate (11) and the waterstop; and / or,

[0021] A second sealant layer (142) is disposed between the second clamping plate (12) and the waterstop.

[0022] Optionally, the convenient composite waterproofing connection device further includes:

[0023] A third sealant layer (143) is disposed between the ends of adjacent waterstops that are close to each other.

[0024] Optionally, multiple waterstop strips are connected to form a first waterstop portion extending along a first direction and a second waterstop portion extending along a second direction, wherein the first direction and the second direction intersect, and the convenient composite waterstop connection device is located at the intersection of the first waterstop portion and the second waterstop portion.

[0025] In a second aspect, this application provides a construction method for a convenient composite water-stop connection device, the convenient composite water-stop connection device comprising:

[0026] A first clamping plate and a second clamping plate disposed opposite to the first clamping plate, wherein a clamping space for accommodating the waterstop is formed between the first clamping plate and the second clamping plate;

[0027] A locking member is connected between the first clamping plate and the second clamping plate. The locking member is used to adjust the distance between the first clamping plate and the second clamping plate so that the first clamping plate and the second clamping plate clamp and fix the adjacent waterstop strips.

[0028] The construction method includes:

[0029] Connect the ends of adjacent waterstops that are close to each other;

[0030] The first clamp and the second clamp are placed on the upper and lower sides of the waterstop, respectively, and the first clamp and the second clamp are locked and fixed by the locking device.

[0031] Optionally, the step of "connecting the ends of adjacent waterstops that are close to each other" further includes:

[0032] The ends of adjacent waterstops that need to be connected are cut into matching mating surfaces;

[0033] Apply sealant to the mating surfaces to connect the ends of the waterstops that are close to each other.

[0034] By adopting the above technical solution, the convenient composite water-stop connection device provided in this application replaces the traditional adhesive / hot-melt connection with mechanical locking, effectively solving the problems of low bonding strength and poor water resistance of the cold-bonding method, while avoiding the dependence of the hot-bonding method on vulcanization equipment and complex processes. This solution achieves a systematic technical breakthrough over traditional methods in terms of construction convenience, environmental adaptability, and long-term reliability. Attached Figure Description

[0035] The preferred embodiments of this application are described below with reference to the accompanying drawings, in which:

[0036] Figure 1 This is a schematic diagram showing the installation location of the waterstop.

[0037] Figure 2 This is a structural schematic diagram of a convenient composite waterstop connection device according to an embodiment of the present application, which is intended to show the assembly structure of the waterstop strip and the convenient composite waterstop connection device.

[0038] Figure 3 This is a structural schematic diagram of a convenient composite waterstop connection device according to an embodiment of the present application, which is intended to show the assembly structure of the back-adhesive waterstop and the convenient composite waterstop connection device.

[0039] Figure 4 This is a top view of a convenient composite water-stop connection device according to an embodiment of this application;

[0040] Figure 5 yes Figure 4 Schematic diagram of the structural cross-section at point AA;

[0041] Figure 6 This is an exploded structural diagram of the first clamping plate according to an embodiment of this application;

[0042] Figure 7 This is one of the schematic diagrams illustrating the steps of a construction method according to an embodiment of this application;

[0043] Figure 8 This is a second schematic diagram of the construction method according to an embodiment of this application. List of reference numerals in the attached diagram:

[0044] 1-Convenient composite water-stop connection device, 11-First clamping plate, 1101-First water-blocking rib, 1102-Second water-blocking rib, 111-First base plate, 112-First elastic layer, 113-First reinforcing rib, 12-Second clamping plate, 121-Second base plate, 122-Second elastic layer, 13-Locking component, 131-Bolt, 132-Nut, 141-First sealant layer, 142-Second sealant layer, 143-Third sealant layer;

[0045] 20-Waterstop rib, 21-First waterstop, 22-Second waterstop, 23-Third waterstop, 24-Fourth waterstop, 25-Fifth waterstop;

[0046] 50 - Concrete, 51 - Embedded waterstop, 52 - Back-adhesive waterstop. Detailed Implementation

[0047] Preferred embodiments of this application are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of this application and are not intended to limit the scope of protection of this application. Those skilled in the art can make adjustments as needed to adapt to specific application scenarios.

[0048] It should be noted that in the description of this application, terms such as "upper," "lower," "left," "right," "inner," and "outer," which indicate direction or positional relationship, are based on the direction or positional relationship shown in the accompanying drawings. These terms are used merely for ease of description and do not indicate or imply that the relevant device or element must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, ordinal numbers such as "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0049] Furthermore, it should be noted that, in the description of this application, unless otherwise expressly specified and limited, the terms "installation" and "connection" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0050] In waterproofing construction of underground projects such as tunnels, reliable connection of waterstops is crucial. However, as the background technology shows, existing waterstop connection technologies have many drawbacks. Cold-jointing methods are prone to failure due to external forces or long-term immersion in water, while hot-jointing methods are limited by operating space and construction conditions, resulting in widespread problems of weak connections and inconvenient connection operations at waterstop joints.

[0051] In view of this, this application provides a convenient composite waterstop connection device 1 for connecting adjacent waterstops, so as to effectively solve the drawbacks of the prior art.

[0052] Specifically, refer to Figure 2 The convenient composite waterstop connection device 1 provided in this application adopts a modular clamping design, mainly including a first clamping plate 11 and a second clamping plate 12. The two clamping plates are arranged opposite each other to form an adjustable clamping space. Different connection methods can be used between adjacent waterstops, and all of them can be reliably connected by the convenient composite waterstop connection device 1.

[0053] One connection method is an overlapping connection, in which the ends of adjacent waterstops overlap each other, resulting in a partial overlap between the waterstops. During the connection operation, the first clamping plate 11 and the second clamping plate 12 are placed on both sides of the overlapping ends of the waterstops, and then the spacing between the clamping plates is adjusted to tightly clamp the overlapping part of the waterstops.

[0054] Another connection method is butt connection. For example, the ends of adjacent waterstops are aligned so that they are on the same plane. When butt-connecting, the ends of adjacent waterstops can either be in close contact or keep a small gap and not contact. Then, the first clamping plate 11 and the second clamping plate 12 are placed on both sides of the butt-connected waterstop ends, and the clamping plates are tightly clamped by adjusting the gap between the clamping plates.

[0055] Furthermore, to optimize the clamping effect, the first clamping plate 11 and the second clamping plate 12 are connected by an adjustable locking member 13.

[0056] It should be noted that waterstops in tunnel engineering can be divided into two categories based on their installation direction: longitudinal waterstops extend along the tunnel axis and are used to treat longitudinal joints formed by segmented lining construction; circumferential waterstops extend along the tunnel cross section and are used to seal circumferential construction joints or expansion joints in the lining. When longitudinal and circumferential joints intersect, a cross-shaped connection method is required to achieve the cross-connection of the waterstops.

[0057] Therefore, in one embodiment, reference Figure 2 The dimensions of the first clamping plate 11 and the second clamping plate 12 projected onto the waterstop are designed to completely cover the width of the waterstop, and the locking member 13 is arranged along the circumference of the first clamping plate 11 and the second clamping plate 12. Based on this dimensional coverage and layout, this convenient composite waterstop connection device 1 can not only cover the width of the waterstop in the same direction (refer to...) Figure 3 The laid waterstops provide a stable fixing effect, and can also fix waterstops in intersecting directions.

[0058] In one implementation, the locking element 13 can use an elastic element such as a spring to lock the clamping plates (not shown in the figure). Specifically, the two ends of the spring are connected to the first clamping plate 11 and the second clamping plate 12 respectively, and its elastic restoring force continuously pulls the two clamping plates towards the middle, thereby forming a constant pressure on the waterstop in the clamping space.

[0059] In another implementation, in conjunction with the reference Figure 4 and 5 The locking component 13 is a rigid fastening mechanism consisting of a bolt 131, a nut 132, and a washer (not shown in the figure). In specific implementation, the first clamping plate 11 and the second clamping plate 12 are respectively placed on both sides of the end of the waterstop to be connected. The bolt 131 passes through the preset through holes of the first clamping plate 11 and the second clamping plate 12. The nut 132 is threaded to the end of the bolt 131 and pressed tightly against the outer surface of the second clamping plate 12. By tightening the nut 132, the bolt 131 generates an axial tensile force, which drives the first clamping plate 11 and the second clamping plate 12 to move towards each other. The clamping space shrinks accordingly, and finally a clamping force is formed on the waterstop through the inner wall of the clamping plate.

[0060] Furthermore, a washer is provided between the nut 132 and the outer surface of the second clamping plate 12 to reduce the friction between them and prevent wear or scratches on the outer surface of the second clamping plate 12 due to excessive friction during tightening. Simultaneously, the washer disperses pressure, ensuring a more even distribution of the pressure exerted by the nut 132 on the second clamping plate 12, preventing damage to the second clamping plate 12 due to excessive local pressure. Moreover, the washer increases the contact area between the nut 132 and the second clamping plate 12, improving the tightness of the connection. In addition, the washer provides cushioning, reducing the possibility of the nut 132 loosening due to vibration or external impact.

[0061] The convenient composite waterstop connection device 1 provided in this application can adapt to the installation requirements of waterstops of different thicknesses and specifications through its adjustable clamping space design.

[0062] Preferably, this application uses bolt 131, nut 132, and washer as the core locking component 13. Its technical advantages are mainly reflected in the following three aspects: First, the threaded engagement mechanism can achieve precise control of the clamping force, meeting the connection strength requirements of the waterstop while avoiding material damage caused by over-tightening; second, the rigid connection characteristics can effectively resist the mechanical impact during concrete vibration construction and structural deformation during later operation, ensuring long-lasting and stable sealing performance; in addition, the application of standardized fasteners not only reduces production costs, but its simple installation method is particularly suitable for the narrow working space and complex construction environment of tunnel engineering, achieving efficient and reliable connection operations without the need for special equipment.

[0063] As can be seen from the above, the convenient composite water-stop connection device 1 provided in this application replaces the traditional adhesive / hot-melt connection with mechanical locking, which effectively solves the problems of low bonding strength and poor water resistance of cold bonding method, while avoiding the dependence of hot bonding method on vulcanization equipment and complex processes.

[0064] In one embodiment, in conjunction with reference to Figure 5 and 6 Both the first clamping plate 11 and the second clamping plate 12 adopt a composite structure.

[0065] Specifically, the first clamping plate 11 is composed of a first substrate 111 and a first elastic layer 112. The first substrate 111, as the main supporting structure of the first clamping plate 11, is typically made of a material with a certain strength and rigidity, such as metals like stainless steel or aluminum alloys, or high-strength plastics. Its function is to provide the entire first clamping plate 11 with a stable shape and sufficient supporting force to withstand the pressure generated during the clamping of the waterstop. The first elastic layer 112 covers the outer side of the first substrate 111 and is generally made of a material with good elasticity and flexibility, such as rubber. The first elastic layer 112 is tightly attached to the surface of the first substrate 111, completely covering the outer side of the first substrate 111, forming a continuous elastic covering layer.

[0066] The structure of the second clamping plate 12 is similar to that of the first clamping plate 11, consisting of a second substrate 121 and a second elastic layer 122. The second substrate 121 is also made of a material with a certain strength to ensure stable operation in the convenient composite waterproof connection device 1. The second elastic layer 122 covers the outer side of the second substrate 121, and its material and properties are similar to those of the first elastic layer 112, also having good elasticity and flexibility, and uniformly covering the outer surface of the second substrate 121.

[0067] When the first clamping plate 11 and the second clamping plate 12 clamp the waterstop, the first elastic layer 112 and the second elastic layer 122 will fit tightly against the surface of the waterstop. Due to the good flexibility of the elastic layers, they can fully fill any minor unevenness that may exist on the surface of the waterstop, forming a well-sealed interface. This effectively prevents water from leaking out from the joint of the waterstop, improves the waterproof sealing performance of the waterstop joint, and ensures the reliability of the entire waterproof system.

[0068] During the clamping process, the elastic layer acts as a buffer. If rigid clamps are used directly to clamp the waterstop, the surface of the waterstop may be damaged due to the hard contact between the clamps and the waterstop, affecting its service life and waterproof performance. The presence of the elastic layer can disperse the pressure of the clamps on the waterstop, avoiding excessive local pressure that could damage the waterstop, thereby extending its service life.

[0069] Furthermore, wrapping a flexible elastic layer around a rigid substrate helps the structure better adapt to the external forces generated during concrete vibration, or to remain stable even when the structure deforms.

[0070] In one embodiment, both the first clamping plate 11 and the second clamping plate 12 adopt an integrated substrate-elastic layer structure design, that is, the first substrate 111 and the first elastic layer 112 are formed into an inseparable whole through a common mold vulcanization process, and the second substrate 121 and the second elastic layer 122 are manufactured using the same process.

[0071] This integrated molding structure helps avoid the technical risk of easy delamination between the elastic layer and the substrate in traditional split clamps: during clamping operations, when the clamp applies pressure to the waterstop or is subjected to external vibration and impact, there will be no relative displacement or delamination between the substrate and the elastic layer. Compared to clamps using traditional composite processes such as bonding and mechanical fixing, the integrated structure allows the rigid support of the metal substrate and the flexible adaptation of the elastic layer to form a synergistic force-bearing system. Even under long-term dynamic loads, the internal stress of the clamp can still be uniformly transmitted, thereby ensuring the long-term stability of the clamping force.

[0072] In a preferred embodiment, combined with Figure 6 As shown, the structural features of the clamping plate are described in detail using the first clamping plate 11 as an example. The main body of the first substrate 111 is the first main plate, on which multiple through holes are distributed at intervals. When the first substrate 111 and the first elastic layer 112 are bonded into an inseparable whole using a vulcanization process, these through holes allow the elastic material to better penetrate and bond tightly with the substrate, making the integrated structure more stable and reliable.

[0073] Furthermore, a first reinforcing rib 113 is provided on the circumferential edge of the first motherboard, and the locking member 13 is arranged near the first reinforcing rib 113. The design of the reinforcing rib can effectively enhance the structural strength of this area and prevent deformation of the location of the locking member 13 due to stress during use.

[0074] Similarly, the second substrate 121 includes a second main board, and its edge is also provided with a second reinforcing rib along the circumferential direction. The locking member 13 is also provided close to the second reinforcing rib to achieve a stable connection and anti-deformation effect similar to the first clamping plate 11.

[0075] Depend on Figure 1 As can be seen (point D is the joint between the surrounding rock and the initial support), in the waterproofing construction of underground engineering projects such as tunnels, there are generally two types of waterstops: one is a back-adhesive waterstop 52 (such as...). Figure 3 As shown), one type is the embedded waterstop 51.

[0076] Back-adhesive waterstop 52 refers to a waterstop that is applied to the outer surface of a waterproof membrane at construction joints, expansion joints, and other locations in concrete 50mm thick concrete through adhesive bonding or other methods. It is generally used for waterproofing the outside of structural construction joints and expansion joints, such as waterproofing gaps between tunnel linings, effectively preventing groundwater from seeping into the tunnel from the outside of the structure. This type of waterstop protects the structure by blocking water from the outside when there is groundwater pressure, reducing the risk of water erosion and seepage.

[0077] The embedded waterstop 51 refers to a waterstop that is embedded in the middle of the concrete structure 50 during the pouring of concrete 50. The embedded waterstop 51 is generally used for waterproofing construction joints, expansion joints, and other parts, such as waterproofing the gaps between tunnel linings.

[0078] Reference Figure 2 To prevent groundwater from seeping along the contact surface between the waterstop and the concrete 50, and to improve the waterstop's waterproofing ability during structural deformation, waterstop ribs 20 are generally also provided on the waterstop. Waterstop ribs 20 are typically raised strip structures on the surface of the waterstop. They increase the friction and contact area between the waterstop and the concrete 50, allowing them to bond better and form a tighter waterproof seal.

[0079] in, Figure 1 The middle arrow indicates the direction of water flow. When there is groundwater pressure, the water-stop rib 20 can act as multiple lines of defense, extending the water seepage path and reducing the water seepage rate, thereby enhancing the waterproof effect of the water-stop strip.

[0080] The back-adhesive waterstop 52 differs from the embedded waterstop 51 in the placement of the waterstop ribs 20. For the back-adhesive waterstop 52, the waterstop ribs 20 are typically only placed on one side of the waterstop surface. When installing the externally attached waterstop 52, it is necessary to ensure that the waterstop ribs 20 face the concrete 50. This placement method allows the waterstop ribs 20 to adhere tightly to the concrete 50, effectively extending the seepage path of groundwater and thus significantly enhancing the waterproofing effect of the back-adhesive waterstop 52 on the outside of the structure.

[0081] The embedded waterstop 51 needs to withstand groundwater pressure from both sides and provide comprehensive waterproofing within the concrete 50 structure. Its waterstop ribs 20 are symmetrically arranged on opposite surfaces of the waterstop. This design with waterstop ribs 20 on both sides creates a more reliable waterproof barrier at critical locations such as construction joints and expansion joints, better adapting to structural deformation and ensuring stable and efficient waterproofing performance of the embedded waterstop 51 within the concrete 50.

[0082] Furthermore, during the connection of waterstops, in order to ensure the stability of the connection, the waterstop ribs 20 of adjacent waterstops that are close to each other need to be cut off, so that the connection can form a planar structure.

[0083] refer to Figure 5The specific connection method involves applying a third sealant layer 143 to the ends of adjacent waterstops that have been treated into flat surfaces to connect them. This connection method, achieved through a sealant layer, not only fills any tiny gaps that may exist at the connection point, but also, thanks to the adhesiveness and waterproof properties of the sealant, further enhances the sealing effect and stability of the waterstop connection, effectively preventing groundwater leakage from the connection point.

[0084] Given the crucial role of the water-stop ribs 20 on the waterstop strip and the structural characteristics of the aforementioned connection, this application also incorporates a water-blocking rib structure on the clamping plate to ensure the waterproof performance of the waterstop strip connection is not compromised. This design utilizes the raised ribs on the surface of the clamping plate to create a physical barrier, effectively preventing water from seeping into the connection gap and thus compensating for the insufficient sealing at the joints in traditional connection methods.

[0085] In one implementation, in order to adapt to the special structure of the "+" cross connection and the feature that both surfaces of the embedded waterstop 51 have waterstop ribs, the outer surfaces of the first clamping plate 11 and the second clamping plate 12 are provided with waterstop rib 20 structures.

[0086] Specifically, the outer surface of the first clamping plate 11, away from the second clamping plate 12, is provided with two sets of cross-arranged water-retaining ribs. For ease of description, the water-retaining ribs extending longitudinally along the tunnel are named the first water-retaining rib 1101, and those extending circumferentially are named the second water-retaining rib 1102. Each set of water-retaining ribs includes multiple parallel ribs. This cross-shaped rib layout can cover water seepage paths in different directions, significantly enhancing the all-around waterproofing capability of the connection node by extending the seepage channels and dispersing water pressure.

[0087] The water-blocking ribs extending longitudinally along the tunnel on the outer surface of the second clamping plate 12 are named the third water-blocking ribs (not shown in the figure), and those extending circumferentially are named the fourth water-blocking ribs (not shown in the figure). Their structural layout and function are similar to those of the first clamping plate 11, and will not be described in detail here.

[0088] In another embodiment, considering the structural characteristics of the single-sided water-stop rib of the back-attached waterstop 52, in order to improve the water-stopping effect and applicability of the convenient composite water-stop connection device 1, two sets of intersecting water-stopping ribs are provided on the outer surface of the first clamping plate 11, namely the first water-stopping rib 1101 set arranged along the longitudinal direction of the tunnel and the second water-stopping rib 1102 set arranged along the circumferential direction of the tunnel. The outer surface of the second clamping plate 12 is designed to be flat.

[0089] In a preferred embodiment, refer to Figure 6 Taking the first motherboard as an example, the first motherboard has raised ribs to increase the strength of the water-blocking ribs.

[0090] In one embodiment, in order to further enhance the waterproof performance and stability of the convenient composite waterstop connection device 1, in addition to the existing components such as the clamping plate, a sealing adhesive layer is provided between the clamping plate and the waterstop strip.

[0091] Specifically, a first sealant layer 141 is provided between the first clamping plate 11 and the waterstop, and a second sealant layer 142 is provided between the second clamping plate 12 and the waterstop. These two sealant layers are similar in function, and to avoid redundancy, the following explanation will only focus on the first sealant layer 141.

[0092] The first sealant layer 141 fills the tiny gaps between the first clamping plate 11 and the waterstop, preventing moisture from seeping through these gaps. When the first clamping plate 11 clamps and fixes the waterstop, the first sealant layer 141 is evenly distributed on the contact surface of the two, forming a continuous and tight sealing barrier. This not only helps to improve the waterproofing ability of the waterstop joint, but also enhances the tightness of the connection between the first clamping plate 11 and the waterstop, so that they can maintain a stable connection when subjected to external forces or environmental factors, reducing the risk of leakage due to loosening.

[0093] Furthermore, the multiple waterstops include a first waterstop portion extending longitudinally and a second waterstop portion extending circumferentially. The intersection of the first waterstop portion and the second waterstop portion is connected by the aforementioned convenient composite waterstop connection device 1.

[0094] refer to Figure 2 The diagram shows a schematic of the convenient composite water-stop connection device 1 connected to the first water-stop part (including the first water-stop strip 21, the second water-stop strip 22 and the third water-stop strip 23) extending longitudinally, and a structural schematic of the convenient composite water-stop connection device 1 connected to the second water-stop part (including the fourth water-stop strip 24 and the fifth water-stop strip 25) extending circumferentially and cross-connected with the first water-stop part.

[0095] It should be noted that the above embodiment is only one implementation method for the cross connection of longitudinal and circumferential waterstops. The convenient composite waterstop connection device provided in this application can also be applied to other structural combinations. For example, when the longitudinally extending second waterstop 22 and third waterstop 23 adopt an integral structure to form a continuous waterstop body, or when the circumferentially extending fourth and fifth waterstops are combined into a single waterstop, the device can still achieve reliable connection and sealing. These structural variations all fall within the equivalent implementation scope of the technical solution of this application.

[0096] Due to the aforementioned advantages of the convenient composite waterproofing connection device 1, the waterproofing components using this device replace adhesives with mechanical clamping, completely eliminating the risk of water immersion failure at the bonding interface; the locking device avoids the dependence of thermal bonding methods on large equipment and construction space, significantly improving the construction efficiency of cross-nodes. Therefore, compared with existing technologies, this solution improves the reliability of waterproofing at complex nodes and adaptability to the construction environment.

[0097] This application also provides a construction method for a convenient composite water-stop connection device, see reference. Figure 7 Specifically, the construction methods include:

[0098] S100 end processing, the specific steps include:

[0099] S110 cuts and trims the ends of adjacent waterstops that need to be connected into a flat contact surface;

[0100] S120 applies sealant (third sealant layer 143) evenly to the end face of the repaired waterstop to form a continuous film layer.

[0101] S200 connection device installation:

[0102] Place the first clamping plate 11 and the second clamping plate 12 on the upper and lower sides of the waterstop connection part respectively, and adjust the position of the clamping plates to completely cover the width of the waterstop. Then, insert the bolts symmetrically into the preset holes along the circumference of the clamping plates, and tighten the nuts to clamp the two clamping plates together on the waterstop joint surface, thereby locking and fixing the connection end of the waterstop.

[0103] In one embodiment, for the connection construction of adjacent waterstops in the same direction (such as the connection between longitudinal waterstops or circumferential waterstops), a straight joint installation process can be adopted: First, mark the positioning lines at the ends of the two waterstops to be connected according to the design dimensions, and use a special cutting tool to cut off the rubber water-blocking ribs along the marked lines to form a regular butt joint surface; then, apply sealant evenly to the pre-overlap area, and control the coverage area of ​​the sealant layer to 10-80% of the waterstop overlap surface to ensure that the sealant is distributed in the middle layer of the two pre-treated flat waterstops; finally, clamp the first clamping plate 11 and the second clamping plate 12 of the convenient composite waterstop connection device symmetrically on both sides of the overlap part, and implement step-by-step tightening through the bolt group. First, pre-tighten the bolts diagonally and alternately to position and fix the plate, and then tighten the nuts in sequence to complete the rigid locking and form a continuous and stable sealed connection.

[0104] In another embodiment, when implementing the cross-connection of longitudinal and circumferential waterstops, a cross-shaped connection method can be used for installation: First, mark the overlapping area on the longitudinal waterstop according to the design position of the circumferential joint, and mark the corresponding position of the circumferential waterstop; use a special cutting tool to cut off the rubber water-blocking ribs of the two waterstops along the marks to form a suitable cross-connection contact surface; then apply sealant evenly to the pre-connection surface to ensure that the sealant layer completely covers the contact area and forms a continuous intermediate interlayer; finally, symmetrically clamp the first clamping plate 11 and the second clamping plate 12 of the convenient composite waterstop connection device on both sides of the overlapping part, and implement step-by-step locking through the bolt group—first pre-tighten diagonally alternately to calibrate the positioning, and then apply force in sequence to complete the rigid fixation, so as to achieve reliable sealing and structural coordination of the multi-dimensional waterstop system.

[0105] The technical solutions of this application have been described above with reference to the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the scope of protection of this application is obviously not limited to these specific embodiments. Without departing from the principles of this application, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will all fall within the scope of protection of this application.

Claims

1. A convenient composite waterstop connection device (1) for connecting waterstop strips, characterized in that, include: A first clamping plate (11) and a second clamping plate (12) disposed opposite to the first clamping plate (11), wherein a clamping space for accommodating the waterstop is formed between the first clamping plate (11) and the second clamping plate (12); A locking member (13) is connected between the first clamping plate (11) and the second clamping plate (12). The locking member (13) is used to adjust the distance between the first clamping plate (11) and the second clamping plate (12) so that the first clamping plate (11) and the second clamping plate (12) clamp and fix the adjacent waterstop.

2. The convenient composite water-stop connection device (1) according to claim 1, characterized in that, The first clamp (11) includes a first substrate (111) and a first elastic layer (112) covering the outside of the first substrate (111), and the second clamp (12) includes a second substrate (121) and a second elastic layer (122) covering the outside of the second substrate (121).

3. The convenient composite water-stop connection device (1) according to claim 2, characterized in that, The first substrate (111) and the first elastic layer (112) are integrally formed; and / or, The second substrate (121) and the second elastic layer (122) are integrally formed.

4. The convenient composite water-stop connection device (1) according to claim 2, characterized in that, Multiple locking members (13) are provided along the circumference of the first clamping plate (11) and the second clamping plate (12); The first substrate (111) includes a first main board and a first reinforcing rib (113) disposed along the edge of the first main board, and the locking member (13) is disposed close to the first reinforcing rib (113); and / or, The second substrate (121) includes a second main board and a second reinforcing rib disposed along the edge of the second main board, and the locking member (13) is also disposed close to the second reinforcing rib.

5. The convenient composite water-stop connection device (1) according to claim 4, characterized in that, The locking element (13) includes: Bolt (131) passes through the first clamping plate (11) and the second clamping plate (12) in sequence. Nut (132), which is threaded to the bolt (131), and the nut (132) abuts against the surface of the second clamping plate (12) away from the first clamping plate (11).

6. The convenient composite water-stop connection device (1) according to claim 1, characterized in that, The surface of the first clamping plate (11) facing away from the second clamping plate (12) is provided with a first water-blocking rib (1101) and a second water-blocking rib (1102) that intersect each other. Multiple first water-blocking ribs (1101) and second water-blocking ribs (1102) are arranged side by side.

7. The convenient composite water-stop connection device (1) according to claim 6, characterized in that, The second clamping plate (12) has a third water-blocking rib and a fourth water-blocking rib that intersect each other on the surface opposite to the first clamping plate (11), and multiple third water-blocking ribs and multiple fourth water-blocking ribs are arranged side by side.

8. The convenient composite water-stopping connection device (1) according to any one of claims 1 to 7, characterized in that, The convenient composite water-stop connection device (1) also includes: A first sealant layer (141) is disposed between the first clamping plate (11) and the waterstop; and / or, A second sealant layer (142) is disposed between the second clamping plate (12) and the waterstop.

9. The convenient composite water-stop connection device (1) according to claim 8, characterized in that, The convenient composite water-stop connection device (1) also includes: A third sealant layer (143) is disposed between the ends of adjacent waterstops that are close to each other.

10. The convenient composite water-stop connection device (1) according to claim 1, characterized in that, Multiple waterstop strips are connected to form a first waterstop portion extending along a first direction and a second waterstop portion extending along a second direction, the first direction and the second direction intersecting, and the convenient composite waterstop connection device is located at the intersection of the first waterstop portion and the second waterstop portion.

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