Fixture for fixing embedded self-adhesive steel plate waterstop in longitudinal construction joint
By designing clamps for holding components and connectors, the problem of unstable fixing and damage of embedded self-adhesive steel plate waterstops in longitudinal construction joints was solved, achieving a firm, simple, and low-cost waterstop fixing, ensuring waterproofing effect and construction efficiency.
Patent Information
- Application Number
- CN202520150343.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-01-21
AI Technical Summary
Existing technologies for embedding self-adhesive steel plate waterstops in longitudinal construction joints suffer from problems such as insecure fixing, easy damage to the waterstop, complex installation, and high cost, making it difficult to guarantee waterproofing effect and construction efficiency.
A clamping device including clamping components and connectors was designed. It uses clamping angle steel and rubber clamp pads to clamp the self-adhesive steel plate waterstop and connects to the template through the connecting arm to achieve a stable fixation and avoid damage to the waterstop. It is suitable for different sizes and shapes.
It achieves a firm fixation of the self-adhesive steel plate waterstop, prevents displacement, maintains waterproof performance, is easy to install, reduces costs, is highly adaptable, and is suitable for various construction environments.
Smart Images
Figure CN223608560U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to civil engineering construction technical field especially relates to a fixture for fixing longitudinal construction joint middle -buried self -adhesion steel plate waterstop. BACKGROUND
[0002] In open cut tunnel engineering, lining structure construction joint waterproofing has the vital significance. Construction joint is divided into longitudinal and annular two kinds, wherein longitudinal construction joint due to its own characteristics, has extremely high waterproofing requirement, once seepage appears, can cause tunnel internal structure damage, reinforcement corrosion and a series of problems, seriously influence the durability and safety of tunnel. In order to guarantee waterproofing effect, longitudinal construction joint often adopts middle -buried self -adhesion steel plate waterstop this key measure. The embedding position of the waterstop whether longitudinal or radial has strict precision requirement, and millimeter difference can lead to waterproofing failure.
[0003] However, in the fixation of middle -buried self -adhesion steel plate waterstop, the common fixation method has many disadvantages. The iron wire binding is simple in operation and low in cost, but poor in firmness, easily causes the waterstop to shift, and also can damage the self -adhesion layer;Steel nail fixation can resist impact, but can penetrate and damage the waterstop, destroy the self -adhesion performance, leave the nail hole after form removal to influence the formwork reuse, increase the cost;Special fixture has small damage to the waterstop and good fixation effect, but the fixture has poor universality, and is easy to loosen during pouring if not installed well;Spot welding is firm and reliable, can maintain the waterproofing effect, but can damage the steel plate surface, influence the corrosion resistance and service life, and needs professional equipment personnel, and the construction is slow and has safety hazards. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at providing a fixture for fixing longitudinal construction joint middle -buried self -adhesion steel plate waterstop. The self -adhesion type steel plate waterstop is fixed at the accurate position, so that it does not displace during concrete pouring, and meets the design and specification requirements after pouring.
[0005] In order to achieve the above object, the utility model is implemented according to the following technical scheme:
[0006] The utility model discloses a clamping assembly and connecting piece, one side of the clamping assembly is connected with one end of the connecting piece, the upper end longitudinal construction joint intersection of tunnel structure inverted arch is provided with middle -buried self -adhesion steel plate waterstop, the middle part of the middle -buried self -adhesion steel plate waterstop is flush with the longitudinal construction joint, and hangs in the air, the inverted arch formwork is arranged on one side of the tunnel structure inverted arch, the inverted arch formwork rib plate is a part of the inverted arch formwork and is located on the outside of the inverted arch formwork, and the upper end of the inverted arch formwork rib plate is connected with the other end of the connecting piece.
[0007] Further, the clamping assembly comprises a first clamping angle steel, a second clamping angle steel, a clamping angle steel connecting shaft, and a clamping angle steel connecting bolt, the upper ends of the first clamping angle steel and the second clamping angle steel are rotationally connected through the clamping angle steel connecting shaft, the clamping angle steel connecting bolt is connected to the middle sections of the first clamping angle steel and the second clamping angle steel, the outer side of the second clamping angle steel is connected with the connecting piece, and the lower ends of the first clamping angle steel and the second clamping angle steel are clamped to the upper end of the middle-buried self-adhesive steel plate waterstop.
[0008] As an improvement, rubber chuck pads are arranged between the lower ends of the first clamping angle steel and the second clamping angle steel, the rubber chuck pads are two, and the rubber chuck pads are fixedly arranged on the inner sides of the first clamping angle steel and the second clamping angle steel, respectively.
[0009] Specifically, the connecting piece comprises a connecting arm mounting hole, a connecting arm, and an inverted arch formwork connecting groove, the side edges of the second clamping angle steel are uniformly provided with a plurality of connecting arm mounting holes, one end of the connecting arm is detachably fixedly connected with the connecting arm mounting hole through a bolt, and the inverted arch formwork connecting groove is arranged at the other end of the connecting arm.
[0010] The clamping fixture has the following technical effects compared with the prior art:
[0011] The clamping fixture has the following technical effects compared with the prior art:
[0012] Good fixing effect: through the design of the clamping assembly and the connecting piece, the middle-buried self-adhesive steel plate waterstop can be fixed firmly, displacement of the waterstop during concrete pouring is prevented, the accurate position of the waterstop is ensured, and thus the waterproof effect is improved.
[0013] Little damage to the waterstop: the rubber chuck pads in the clamping assembly can effectively protect the waterstop, avoid damage to the waterstop during fixing, and maintain good waterproof performance.
[0014] Convenient installation: the design of the connecting piece makes the connection between the clamping fixture and the inverted arch formwork simple and fast, and fixing can be realized through bolt connection, thereby improving construction efficiency.
[0015] Reusable: the structural design of the clamping fixture makes it reusable, reduces construction cost, and is convenient to disassemble, which is beneficial to the fixation of the formwork.
[0016] Strong adaptability: suitable for different size, shape and space form of middle buried self-adhesion steel plate waterstop, has good universality, can satisfy the needs of different construction environment and requirements. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is a side structure schematic view of the utility model;
[0018] Figure 2 is another side structure schematic view of the utility model;
[0019] Figure 3 is a side structure schematic view of the utility model in application state one;
[0020] Figure 4 is another side structure schematic view of the utility model in application state.
[0021] In the drawing: first clamping plate angle steel 1, second clamping plate angle steel 2, clamping plate angle steel connecting pivot 3, clamping plate angle steel connecting bolt 4, rubber chuck pad plate 5, connecting arm mounting hole 6, connecting arm 7, inverted arch formwork connecting groove 8, middle buried self-adhesion steel plate waterstop 9, tunnel structure inverted arch 10, inverted arch formwork 11, inverted arch formwork web plate 12. DETAILED DESCRIPTION
[0022] The utility model will be further described below in combination with the drawings and specific embodiments, the illustrative embodiments of the utility model and the description are used to explain the utility model, but not as the limitation of the utility model.
[0023] As Figures 1-4 shown: the utility model includes clamping assembly and connecting piece, one side of clamping assembly is connected with one end of connecting piece, and the upper end longitudinal construction joint junction of tunnel structure inverted arch 10 is provided with middle buried self-adhesion steel plate waterstop 9, and the middle part of middle buried self-adhesion steel plate waterstop 9 is flush with longitudinal construction joint, and hangs in the air, and inverted arch formwork 11 is arranged at one side of tunnel structure inverted arch 10, and inverted arch formwork web plate 12 is part of inverted arch formwork 11 and is located at the outside of inverted arch formwork 11, and the upper end of inverted arch formwork web plate 12 is connected with the other end of connecting piece.
[0024] Further, the clamping assembly includes first clamping plate angle steel 1, second clamping plate angle steel 2, clamping plate angle steel connecting pivot 3 and clamping plate angle steel connecting bolt 4, the upper end of first clamping plate angle steel 1 and second clamping plate angle steel 2 is rotationally connected through clamping plate angle steel connecting pivot 3, clamping plate angle steel connecting bolt 4 is connected to the middle section of first clamping plate angle steel 1 and second clamping plate angle steel 2, the outside of second clamping plate angle steel 2 is connected with connecting piece, and the lower end of first clamping plate angle steel 1 and second clamping plate angle steel 2 is clamped to the upper end of middle buried self-adhesion steel plate waterstop 9.
[0025] As an improvement, a rubber chuck pad 5 is arranged between the lower ends of the first and second clamping plate angle steels 1 and 2, the rubber chuck pad 5 is two, and the two rubber chuck pads 5 are respectively fixedly arranged on the inner sides of the first and second clamping plate angle steels 1 and 2, and the lower ends of the first and second clamping plate angle steels 1 and 2 are clamped to the upper end of the embedded self-adhesive steel plate waterstop 9 through the rubber chuck pad 5.
[0026] Specifically, the connecting piece includes a connecting arm mounting hole 6, a connecting arm 7, and an inverted arch formwork connecting groove 8, the side edges of the second clamping plate angle steel 2 are uniformly provided with a plurality of connecting arm mounting holes 6, one end of the connecting arm 7 is detachably fixedly connected with the connecting arm mounting hole 6 through a bolt, and the other end of the connecting arm 7 is provided with the inverted arch formwork connecting groove 8, and the connecting arm 7 is detachably fixedly connected with the upper end of the inverted arch formwork rib plate 12 through the inverted arch formwork connecting groove 8.
[0027] The use method of the utility model is as follows:
[0028] Before pouring the inverted arch 10 of the tunnel structure, the inverted arch formwork 11 is first supported, the connecting arm 7 is then bolted between the inverted arch formwork connecting groove 8 and the upper end of the inverted arch formwork rib plate 12, so as to be fixed on the inverted arch formwork 11, then the two rubber chuck pads 5 are arranged on the two sides of the middle part of the embedded self-adhesive steel plate waterstop 9, and the clamping plate angle steel connecting bolt 4 is tightened, so as to clamp the first and second clamping plate angle steels 1 and 2 on the embedded self-adhesive steel plate waterstop 9. Thus, the embedded self-adhesive steel plate waterstop 9 is pre-fixed in the inverted arch 10 of the tunnel structure, and the upper end of the embedded self-adhesive steel plate waterstop 9 is flush with the longitudinal construction joint (the longitudinal construction joint refers to the joint surface formed between the first and second pouring concrete in the tunnel lining construction process due to the construction technology and construction organization). The connecting arm 7 is bolted between the inverted arch formwork connecting groove 8 and the upper end of the inverted arch formwork rib plate 12, and the connecting arm mounting hole 6 can realize the fixation of the embedded self-adhesive steel plate waterstop with different spatial forms. According to the requirements, or according to the number of the inverted arch formwork rib plate 12, a plurality of devices of the utility model are arranged.
[0029] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A fixture for securing a buried self-adhered steel plate waterstop in a longitudinal construction joint, characterized by: The utility model provides a tunnel structure construction device, including clamping component and connecting piece, one side of clamping component is connected with one end of connecting piece, the upper end longitudinal construction joint intersection of tunnel structure inverted arch (10) is provided with middle buried type self -adhesion steel plate waterstop (9), the middle part of middle buried type self -adhesion steel plate waterstop (9) is flush with longitudinal construction joint, hangs in the air, inverted arch formwork (11) is provided in one side of tunnel structure inverted arch (10), inverted arch formwork web plate (12) is a part of inverted arch formwork (11) and is located the outside of inverted arch formwork (11), the upper end of inverted arch formwork web plate (12) is connected with the other end of connecting piece; The clamping component includes a first clamping plate angle steel (1), a second clamping plate angle steel (2), a clamping plate angle steel connecting pivot (3), and a clamping plate angle steel connecting bolt (4). The upper ends of the first clamping plate angle steel (1) and the second clamping plate angle steel (2) are rotationally connected through the clamping plate angle steel connecting pivot (3). The clamping plate angle steel connecting bolt (4) is connected to the middle sections of the first clamping plate angle steel (1) and the second clamping plate angle steel (2). The outer side of the second clamping plate angle steel (2) is connected with the connecting piece. The upper ends of the first clamping plate angle steel (1) and the second clamping plate angle steel (2) are clamped to the upper end of the middle buried type self-adhesion steel plate waterstop (9). The connecting piece includes connecting arm mounting holes (6), a connecting arm (7), and an inverted arch formwork connecting groove (8). Multiple connecting arm mounting holes (6) are evenly arranged on the side edges of the second clamping plate angle steel (2). One end of the connecting arm (7) is detachably fixedly connected with the connecting arm mounting holes (6) through bolts. The inverted arch formwork connecting groove (8) is arranged at the other end of the connecting arm (7). The connecting arm (7) is detachably fixedly connected with the upper end of the inverted arch formwork web plate (12) through the inverted arch formwork connecting groove (8).
2. The fixture for fixing the embedded self-adhered steel plate waterstop in the longitudinal construction joint according to claim 1, characterized in that: Rubber chuck pads (5) are arranged between the lower ends of the first clamping plate angle steel (1) and the second clamping plate angle steel (2). Two rubber chuck pads (5) are fixedly arranged on the inner sides of the first clamping plate angle steel (1) and the second clamping plate angle steel (2), respectively. The lower ends of the first clamping plate angle steel (1) and the second clamping plate angle steel (2) are clamped to the upper end of the middle buried type self-adhesion steel plate waterstop (9) through the rubber chuck pads (5).