Hook-and-loop fastener type geotextile for tunnel

Abstract

The utility model relates to the technical field of geotechnical cloth, in particular to magic tape type geotechnical cloth for a tunnel, which comprises a fixing buckle, the top of the fixing buckle is movably clamped with the bottom of an outer leakage layer, and the top of the outer leakage layer is fixedly connected with the bottom of an anti-corrosion layer. The fixing threaded column and the first threaded clamping ring are connected to the top of the threaded column in a threaded mode by rotating the first threaded clamping ring, the expansion screw is fixedly installed on the inner wall of a tunnel by knocking the fixing base plate, the fixing base plate is detached, the hook-and-loop fastener rough face and the hook-and-loop fastener hook face are fixed through the clamping effect, and after the first clamping ring and the second clamping ring sequentially penetrate through the fixing threaded column, the expansion screw is fixed to the inner wall of the tunnel. The third clamping ring is rotated so that the third clamping ring can be installed in the middle of the fixing threaded column in a threaded mode, finally the fixing base plate is installed at the bottom of the fixing threaded column through threads, the thread gluing layer can be bonded with the waterproof layer, the anti-corrosion layer and the outer leakage layer through clamping connection of the thread gluing rough face and the thread gluing hook face, follow-up installation of the fixing buckle is facilitated, and the working efficiency is improved. And convenience is brought to people.

Description

Technical Field

[0001] The utility model relates to the technical field of geotextiles, in particular to a hook-and-loop geotextile for tunnels. Background Art

[0002] With the development of transportation, more and more tunnels can be built through mountains. Geotextiles are needed to build tunnels. Geotextiles are a synthetic material widely used in civil engineering and environmental engineering. It is made of synthetic fibers such as polyester, polypropylene or polyethylene. Geotextiles have high strength and durability, can enhance the stability and anti-scouring ability of soil, and prevent soil erosion and landslides.

[0003] At present, most geotextiles on the market need to build complex support frames to support the geotextiles when they are installed in tunnels. After the geotextiles are installed, the support frames need to be dismantled, which wastes a lot of construction time and labor costs. Utility Model Content

[0004] The purpose of the utility model is to provide a Velcro geotextile for tunnels, so as to solve the problem that a support frame is required to support the geotextile in the above-mentioned background technology. To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a Velcro geotextile for tunnels, comprising a fixing buckle, the top of the fixing buckle is movably connected to the bottom of the external leakage layer, and the top of the external leakage layer is fixedly connected to the bottom of the anti-corrosion layer.

[0005] The top of the anti-corrosion layer is fixedly connected to the bottom of the waterproof layer, and the top of the waterproof layer is movably engaged with the bottom of the Velcro layer.

[0006] Preferably, the fixing buckle includes a fixing chassis, a fixing threaded column and an expansion screw, the top of the center of the fixing chassis is fixedly connected to the bottom of the fixing threaded column, and the top of the fixing threaded column is fixedly connected to the bottom of the expansion screw.

[0007] Preferably, the external leakage layer is composed of an anti-tear layer, a flame retardant layer and a first threaded clamping ring, the bottom of the anti-tear layer is movably clamped with the top of the fixed chassis, and the top of the anti-tear layer is fixedly connected to the bottom of the flame retardant layer, the interior of the anti-tear layer and the flame retardant layer are both provided with a plurality of interconnected first through holes, and the inner wall of the first through hole is movably clamped with the outer wall of the first threaded clamping ring, and the inner wall of the first threaded clamping ring is threadedly connected to the outer wall of the bottom of the fixed threaded column.

[0008] Preferably, the anti-corrosion layer includes a corrosion-resistant layer, a reinforcement layer and a first clamping ring, the bottom of the corrosion-resistant layer is fixedly connected to the top of the flame-retardant layer, and the top of the corrosion-resistant layer is fixedly connected to the bottom of the reinforcement layer, the reinforcement layer and the corrosion-resistant layer are both provided with a plurality of interconnected second through holes, and the inner walls of the second through holes are movably clamped with the outer wall of the first clamping ring, and the inner wall of the first clamping ring is movably sleeved with the outer wall of the middle part of the fixed threaded column.

[0009] Preferably, the waterproof layer is composed of a waterproof pad, a Velcro surface and a second clamping ring, the bottom of the waterproof pad is fixedly connected to the top of the reinforcement layer, and a plurality of water flow grooves are arranged inside the waterproof pad, the top of the waterproof pad is fixedly connected to the bottom of the Velcro surface, and the Velcro surface and the interior of the waterproof pad are provided with a plurality of interconnected third through holes, the inner wall of the third through hole is movably clamped with the outer wall of the second clamping ring, and the inner wall of the second clamping ring is movably sleeved with the outer wall of the fixed threaded column.

[0010] Preferably, the Velcro layer includes a Velcro surface, a fixed surface and a third snap ring, the bottom of the Velcro surface is movably engaged with the top of the Velcro hook surface, and the top of the Velcro surface is fixedly connected to the bottom of the fixed surface, the fixed surface and the Velcro surface are both provided with a plurality of interconnected fourth through holes, and the inner wall of the fourth through hole is movably engaged with the outer wall of the top of the third snap ring, and the inner wall of the third snap ring is movably sleeved with the outer wall of the fixed threaded column.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] In the utility model, the first threaded clamp is rotated to thread the fixed threaded column and the first threaded clamp on the top of the threaded column, the fixed chassis is hit to fix the expansion screw on the inner wall of the tunnel, the fixed chassis is removed, the Velcro fur surface and the Velcro hook surface are fixed by snapping, the first clamp and the second clamp are passed through the fixed threaded column in turn, the third clamp is rotated to thread the third clamp on the middle of the fixed threaded column, and finally the fixed chassis is threadedly installed on the bottom of the fixed threaded column, the Velcro fur surface and the Velcro hook surface are snapped together to adhere the Velcro layer to the waterproof layer, the anti-corrosion layer and the leakage layer, which is convenient for the subsequent installation of the fixing buckle, saves the installation of the support frame, increases work efficiency, and brings convenience to people.

[0013] In the utility model, the fixed chassis can be removed from the fixed threaded column by rotating the fixed chassis through the action of the thread, and the waterproof layer, the anti-corrosion layer and the external leakage layer are movably connected to the fixed threaded column. By tearing off the Velcro layer and the waterproof layer, the waterproof layer, the anti-corrosion layer and the external leakage layer can be completely removed, which is convenient for the subsequent maintenance and replacement of the device, bringing convenience to people. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a cross-sectional view of the utility model;

[0016] Figure 3 For the utility model Figure 2 A magnified view of the structure at center;

[0017] Figure 4 It is an exploded view of the utility model;

[0018] Figure 5 It is an enlarged view of the fixing buckle of the utility model.

[0019] In the figure: 1. fixing buckle; 101. fixing chassis; 102. fixing threaded column; 103. expansion screw; 2. leakage layer; 201. anti-tear layer; 202. flame retardant layer; 203. first threaded clamp; 3. anti-corrosion layer; 301. corrosion-resistant layer; 302. reinforcement layer; 303. first clamp; 4. waterproof layer; 401. waterproof pad; 402. Velcro hook surface; 403. second clamp; 5. Velcro layer; 501. Velcro fur surface; 502. fixing surface; 503. third clamp. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figures 1 to 5 The utility model provides a technical solution: a Velcro geotextile for tunnels, comprising a fixing buckle 1, the top of the fixing buckle 1 is movably connected to the bottom of the external leakage layer 2, and the top of the external leakage layer 2 is fixedly connected to the bottom of the anti-corrosion layer 3.

[0022] The top of the anti-corrosion layer 3 is fixedly connected to the bottom of the waterproof layer 4 , and the top of the waterproof layer 4 is movably engaged with the bottom of the hook and loop layer 5 .

[0023] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the fixing buckle 1 includes a fixed chassis 101, a fixed threaded column 102 and an expansion screw 103. The top of the center of the fixed chassis 101 is fixedly connected to the bottom of the fixed threaded column 102, and the top of the fixed threaded column 102 is fixedly connected to the bottom of the expansion screw 103. The expansion screw 103 can be nailed to the top of the tunnel for fixing, and the fixed chassis 101 can lift and fix the geotextile.

[0024] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the leakage layer 2 is composed of an anti-tear layer 201, a flame retardant layer 202 and a first threaded clamping ring 203. The bottom of the anti-tear layer 201 is movably clamped with the top of the fixed chassis 101, and the top of the anti-tear layer 201 is fixedly connected to the bottom of the flame retardant layer 202. The interiors of the anti-tear layer 201 and the flame retardant layer 202 are both provided with a plurality of interconnected first through holes, and the inner walls of the first through holes are movably clamped with the outer walls of the first threaded clamping ring 203. The inner wall of the first threaded clamping ring 203 is threadedly connected with the outer wall of the bottom of the fixed threaded column 102. The anti-tear layer 201 can reduce the damage to the geotextile caused by small animals, the fixed chassis 101 lifts up the anti-tear layer 201, and the first threaded clamping ring 203 can fix the fixed threaded column 102, so that the fixed chassis 101 and the anti-tear layer 201 are fixedly fitted.

[0025] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the anti-corrosion layer 3 includes a corrosion-resistant layer 301, a reinforcement layer 302 and a first clamping ring 303. The bottom of the corrosion-resistant layer 301 is fixedly connected to the top of the flame-retardant layer 202, and the top of the corrosion-resistant layer 301 is fixedly connected to the bottom of the reinforcement layer 302. The reinforcement layer 302 and the corrosion-resistant layer 301 are both provided with a plurality of interconnected second through holes, and the inner walls of the second through holes are movably clamped with the outer walls of the first clamping ring 303. The inner wall of the first clamping ring 303 is movably sleeved with the outer wall of the middle part of the fixed threaded column 102. The first clamping ring 303 can fix the fixed threaded column 102, so that the corrosion-resistant layer 301 and the flame-retardant layer 202 are fixedly fitted.

[0026] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the waterproof layer 4 is composed of a waterproof pad 401, a Velcro surface 402 and a second clamping ring 403. The bottom of the waterproof pad 401 is fixedly connected to the top of the reinforcement layer 302, and a plurality of water flow troughs are arranged inside the waterproof pad 401. The top of the waterproof pad 401 is fixedly connected to the bottom of the Velcro surface 402, and the Velcro surface 402 and the interior of the waterproof pad 401 are provided with a plurality of interconnected third through holes. The inner wall of the third through hole is movably engaged with the outer wall of the second clamping ring 403, and the inner wall of the second clamping ring 403 is movably sleeved with the outer wall of the fixed threaded column 102. The water flow trough can drain moisture from the geotextile, and the second clamping ring 303 can fix the fixed threaded column 102, so that the waterproof pad 401 and the reinforcement layer 302 are fixedly fitted.

[0027] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the Velcro layer 5 includes a Velcro fleece surface 501, a fixed surface 502 and a first retaining ring 503. The bottom of the Velcro fleece surface 501 is movably engaged with the top of the Velcro hook surface 402, and the top of the Velcro fleece surface 501 is fixedly connected to the bottom of the fixed surface 502. The interiors of the fixed surface 502 and the Velcro fleece surface 501 are both provided with a plurality of interconnected fourth through holes, and the inner walls of the fourth through holes are movably engaged with the outer walls of the third retaining ring 503. The inner walls of the third retaining ring 503 are movably sleeved with the outer walls of the fixed threaded column 102. The Velcro fleece surface 501 is movably engaged with the Velcro hook surface 402 through the engagement of the fleece surface and the hook surface.

[0028] The use method and advantages of the utility model: When the Velcro geotextile for tunnel is in operation, the working process is as follows:

[0029] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, by rotating the first threaded clamping ring 203, the fixed threaded column 102 and the first threaded clamping ring 203 are threadedly connected to the top of the threaded column 102, and the fixed chassis 101 is knocked to fix the expansion screw 101 to the inner wall of the tunnel, and the fixed chassis 101 is removed, and the Velcro surface 501 and the Velcro hook surface 402 are fixed by snapping, and the first clamping ring 303 and the second clamping ring 403 are passed through the fixed threaded column 102 in turn, and the third clamping ring 503 is rotated to make the third clamping ring 503 threadedly installed in the middle of the fixed threaded column 102, and finally The fixed chassis 101 is threadedly installed at the bottom of the fixed threaded column 102, and the Velcro is used to fix the Velcro hook surface 402. The snap connection between the surface 501 and the Velcro surface 402 can adhere the Velcro layer 5 to the waterproof layer 4, the anti-corrosion layer 3 and the external leakage layer 2, which is convenient for the subsequent installation of the fixed buckle 1, saves supporting tools and supporting manpower, increases work efficiency, and brings convenience to people. The fixed chassis 101 can be removed from the fixed threaded column 102 by rotating the fixed chassis 101 through the threaded action, and the waterproof layer 4, the anti-corrosion layer 3 and the external leakage layer 2 are movably connected to the fixed threaded column. By tearing off the Velcro layer 5 and the waterproof layer 4, the waterproof layer 4, the anti-corrosion layer 3 and the external leakage layer 2 can be completely removed, which is convenient for the subsequent maintenance and replacement of the device, and brings convenience to people.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A hook-and-loop geotextile for tunnels, comprising a fixing buckle (1), characterized in that: The top of the fixing buckle (1) is movably engaged with the bottom of the external leakage layer (2), and the top of the external leakage layer (2) is fixedly connected with the bottom of the anti-corrosion layer (3); The top of the anti-corrosion layer (3) is fixedly connected to the bottom of the waterproof layer (4), and the top of the waterproof layer (4) is movably engaged with the bottom of the hook and loop layer (5).

2. The hook-and-loop geotextile for tunnel according to claim 1, characterized in that: The fixing buckle (1) comprises a fixing base (101), a fixing threaded column (102) and an expansion screw (103), wherein the top of the center of the fixing base (101) is fixedly connected to the bottom of the fixing threaded column (102), and the top of the fixing threaded column (102) is fixedly connected to the bottom of the expansion screw (103).

3. The hook-and-loop geotextile for tunnel according to claim 2, characterized in that: The external leakage layer (2) is composed of an anti-tear layer (201), a flame retardant layer (202) and a first threaded clamping ring (203); the bottom of the anti-tear layer (201) is movably clamped with the top of the fixed chassis (101), and the top of the anti-tear layer (201) is fixedly connected with the bottom of the flame retardant layer (202); the anti-tear layer (201) and the flame retardant layer (202) are both provided with a plurality of first through holes that are interconnected, and the inner walls of the first through holes are movably clamped with the outer wall of the first threaded clamping ring (203); the inner wall of the first threaded clamping ring (203) is threadedly connected with the outer wall of the bottom of the fixed threaded column (102).

4. The hook-and-loop geotextile for tunnel according to claim 3, characterized in that: The anti-corrosion layer (3) comprises a corrosion-resistant layer (301), a reinforcement layer (302) and a first clamping ring (303), the bottom of the corrosion-resistant layer (301) is fixedly connected to the top of the flame-retardant layer (202), and the top of the corrosion-resistant layer (301) is fixedly connected to the bottom of the reinforcement layer (302), the reinforcement layer (302) and the corrosion-resistant layer (301) are both provided with a plurality of interconnected second through holes, and the inner walls of the second through holes are movably clamped to the outer wall of the first clamping ring (303), and the inner wall of the first clamping ring (303) is movably sleeved to the outer wall of the middle part of the fixed threaded column (102).

5. The hook-and-loop geotextile for tunnel according to claim 4, characterized in that: The waterproof layer (4) is composed of a waterproof pad (401), a Velcro surface (402) and a second clamping ring (403); the bottom of the waterproof pad (401) is fixedly connected to the top of the reinforcing layer (302), and a plurality of water flow grooves are arranged inside the waterproof pad (401); the top of the waterproof pad (401) is fixedly connected to the bottom of the Velcro surface (402), and the Velcro surface (402) and the waterproof pad (401) are both provided with a plurality of interconnected third through holes; the inner wall of the third through hole is movably clamped to the outer wall of the second clamping ring (403), and the inner wall of the second clamping ring (403) is movably sleeved to the outer wall of the fixed threaded column (102).

6. The hook-and-loop geotextile for tunnel according to claim 5, characterized in that: The Velcro layer (5) comprises a Velcro surface (501), a fixing surface (502) and a first snap ring (303); the bottom of the Velcro surface (501) is movably engaged with the top of the Velcro hook surface (402), and the top of the Velcro surface (501) is fixedly connected with the bottom of the fixing surface (502); a plurality of interconnected fourth through holes are provided inside the fixing surface (502) and the Velcro surface (501), and the inner wall of the fourth through hole is movably engaged with the outer wall of the top of the third snap ring (503); the inner wall of the third snap ring (503) is movably sleeved with the outer wall of the fixed threaded column (102).

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