Perforation-free temporary fixing device for foundation pit side wall waterproof coiled material

Abstract

The utility model belongs to the field of foundation pit construction, and particularly relates to a foundation pit side wall waterproof roll perforation-free temporary fixing device which comprises a horizontal rectangular pipe and a long-strip iron sheet, a plurality of spring clamps are evenly arranged between the rectangular pipe and the long-strip iron sheet, and the lower ends of clamping arms on the outer sides of the spring clamps are fixed together with the long-strip iron sheet. The upper end of the clamping arm on the outer side is upwards fixed with a connecting piece, the upper end of the connecting piece is fixed with a rectangular pipe, and the rectangular pipe is lapped on a bottom bolt of a triangular bracket below the foundation pit steel enclosing purlin. The fixing device does not cause any damage to the waterproof roll, the defect of cement nail perforation in a traditional construction mode is overcome, and the problem of possible leakage caused by cement nails is avoided.

Description

Technical Field

[0001] This utility model belongs to the field of foundation pit construction, and in particular relates to a non-perforated temporary fixing device for waterproof membrane on foundation pit sidewalls. Background Technology

[0002] Temporary fixing of the waterproof membrane is a crucial step in the construction of the sidewalls of the foundation pit. Currently, most construction methods involve temporarily fixing the waterproof membrane with cement nails before laying it. However, cement nails can easily damage the waterproof membrane, leading to a decrease in waterproofing performance and leakage. Summary of the Invention

[0003] The problem this invention aims to solve is to overcome the shortcomings of the prior art and provide a non-perforated temporary fixing device for waterproof membrane on the side wall of a foundation pit.

[0004] This invention is achieved through the following technical solution:

[0005] A non-perforated temporary fixing device for waterproof membrane on the side wall of a foundation pit includes a horizontal rectangular tube and a long iron strip. Several spring clips are evenly arranged between the rectangular tube and the long iron strip. Each spring clip includes two clamping arms hinged together. The lower end of the outer clamping arm is fixed to the long iron strip, and the upper end of the outer clamping arm is fixed upward with a connecting piece. The upper end of the connecting piece is fixed to the rectangular tube. The rectangular tube rests on the bottom bolt of the triangular bracket below the steel waler of the foundation pit.

[0006] Preferably, the rectangular tube and the long iron strip are both 2m in length.

[0007] Preferably, the spring clip spacing is 0.5m.

[0008] Preferably, the spring clip is a stainless steel clip.

[0009] Preferably, the spring clip is a grounding clip.

[0010] The fixing device of this invention can temporarily fix the waterproof membrane during waterproof construction on the side wall of the foundation pit. After the waterproof membrane construction is completed, the fixing device of this invention can be removed. The whole process will not cause any damage to the waterproof membrane, avoiding the drawbacks of cement nail penetration in traditional construction methods and avoiding possible leakage problems caused by cement nails. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the overall structure during construction in this embodiment;

[0012] Figure 2 This is an enlarged structural diagram of the construction state in this embodiment;

[0013] Figure 3 This is a schematic diagram of the overall structure of the fixing device in this embodiment;

[0014] Figure 4 This is a partially enlarged structural diagram of the fixing device in this embodiment.

[0015] In the diagram, 1 is a rectangular tube, 2 is a long iron strip, 3 is a spring clip, 4 is a clamping arm, 5 is a connecting piece, 6 is a steel waler, 7 is a triangular bracket, and 8 is a bottom bolt. Detailed Implementation

[0016] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of the present invention, but not all embodiments.

[0017] This embodiment includes a horizontal rectangular tube 1 and a long iron strip 2, with the rectangular tube 1 positioned above the iron strip 2. Both the rectangular tube 1 and the iron strip 2 are 2 meters long. Several spring clips 3 are evenly distributed between the rectangular tube 1 and the iron strip 2. These spring clips 3 are used to clamp the waterproof membrane; therefore, various types of spring clips 3 can be used, such as stainless steel clips used for clamping blankets or grounding wire clips commonly used in electrical systems. Any existing spring clip 3 capable of clamping the waterproof membrane is acceptable. Each spring clip 3 includes two hinged arms 4. Squeezing the two arms 4 opens them outwards. To clamp an object, simply align the opened spring clip 3 with the target position and release the pressure. The two arms 4 will then tighten inwards under the action of the spring, thus clamping the object. In this embodiment, the lower end of the outer clamping arm 4 of the spring clip 3 is fixed to the long iron plate 2 with bolts. The upper end of the outer clamping arm 4 is fixed upward with bolts to the connecting piece 5. The upper end of the connecting piece 5 is fixed to the rectangular tube 1 with bolts. Since a steel waler 6 is installed at intervals on the side wall of the foundation pit, and a triangular bracket 7 is fixed below the steel waler 6 with bolts, and the bolts fixing the triangular bracket 7 have a certain length and will extend outward perpendicularly to the side wall of the foundation pit, the rectangular tube 1 can rest on the bottom bolt 8 of the triangular bracket 7 below the steel waler 6 of the foundation pit.

[0018] During construction, the waterproof membrane is installed section by section as the excavation depth of the foundation pit increases. When laying the waterproof membrane, the rectangular tube 1 of this invention is placed on the bottom bolt 8 of the triangular bracket 7 below the steel waler 6. The waterproof membrane is then laid upwards along the side wall to the position of the spring clip 3. The upper end of the waterproof membrane is placed under the long iron strip 2, and the spring clip 3 is used to clamp the waterproof membrane and the long iron strip 2 together, thus temporarily fixing the waterproof membrane. Then the waterproof membrane is laid to fit tightly against the side wall of the foundation pit. Reinforcing bars are then tied to its exterior, and the concrete structure is constructed. After completion, the device of this invention is removed. As the excavation progresses, the triangular bracket 7 and the steel waler 6 are gradually removed. The rectangular tube 1 is then attached to the bottom bolt 8 of the upper triangular bracket 7 in the same way, and the next section of waterproof membrane is installed. Throughout the process, the temporary fixing of the waterproof membrane avoids the cement nail penetration of existing methods and will not damage the waterproof membrane.

[0019] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; those skilled in the art should understand that modifications can still be made to the technical solutions described in the above embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A non-perforation temporary fixing device for waterproof membrane on the sidewall of a foundation pit, characterized in that: It includes a horizontal rectangular tube (1) and a long iron sheet (2). Several spring clips (3) are evenly arranged between the rectangular tube (1) and the long iron sheet (2). The spring clip (3) includes two clamping arms (4) hinged together. The lower end of the outer clamping arm (4) is fixed to the long iron sheet (2). The upper end of the outer clamping arm (4) is fixed upward with a connecting piece (5). The upper end of the connecting piece (5) is fixed to the rectangular tube (1). The rectangular tube (1) rests on the bottom bolt (8) of the triangular bracket (7) below the steel waler (6) of the foundation pit.

2. The non-perforation temporary fixing device for waterproof membrane on the sidewall of the foundation pit according to claim 1, characterized in that: The rectangular tube (1) and the long iron strip (2) are both 2m in length.

3. The non-perforation temporary fixing device for waterproof membrane on the side wall of the foundation pit according to claim 1, characterized in that: The spacing between the spring clips (3) is 0.5m.

4. The non-perforation temporary fixing device for waterproof membrane on the sidewall of the foundation pit according to claim 1, characterized in that: The spring clip (3) is a stainless steel clip.

5. The non-perforation temporary fixing device for waterproof membrane on the sidewall of the foundation pit according to claim 1, characterized in that: The spring clip (3) is a grounding clip.

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