CN215633035U

CN215633035U - Geomembrane for tunnel seepage control

Info

Publication number: CN215633035U
Application number: CN202121392531.1U
Authority: CN
Inventors: 樊卫; 张辉
Original assignee: Guangxi Youlian Geotechnical Material Manufacturing Co ltd
Current assignee: Guangxi Youlian Geotechnical Material Manufacturing Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2022-01-25
Anticipated expiration: 2031-06-22

Abstract

The utility model discloses an anti-seepage geomembrane for a tunnel, relates to the technical field of geomembranes, solves the technical problem that two geomembranes are difficult and unstable to connect in the prior art, and has the technical scheme that: it includes a plurality of geomembrane structures of splicing each other, the geomembrane structure includes geomembrane body, first connecting portion, second connecting portion and locking device, first connecting portion with the opposite fixed establishment of second connecting portion is in geomembrane body both sides, the locking device card is established on the first connecting portion, adjacent two the geomembrane structure passes through locking device blocks respectively and establishes adjacently first connecting portion with spacing connection on the second connecting portion. The utility model has the advantages that the adjacent two geomembrane bodies are easy to connect, and the geomembrane is not easy to peel or shift after being connected.

Description

Geomembrane for tunnel seepage control

Technical Field

The utility model belongs to the technical field of geomembranes, and particularly relates to an anti-seepage geomembrane for a tunnel.

Background

The phenomenon of water leakage of tunnels such as highways, subways and railways at different degrees is caused by various factors, the water leakage is one of common defects of the tunnels, and the service life and the safety of the tunnels are greatly influenced. Geomembranes are commonly used as waterproof materials in tunnel engineering, and the construction method comprises the steps of digging a cavern on a rock mass, spraying slurry on the wall of the dug cavern to enable the wall to form a flat surface, and then tightly attaching the geomembrane to the wall of the cavern and fixing the geomembrane.

However, in tunnel construction, when the geomembrane is applied to an arch wall or a roof of a tunnel, because the inclination angle of the wall of the tunnel is too large, two geomembranes are not easy to be connected or overlapped during construction, and the joint between the geomembrane and the geomembrane after connection is weak, so that the connection between the geomembranes is unstable, and the phenomenon of stripping or displacement is easy to occur, thereby not only bringing adverse effects to the construction process, but also influencing the anti-seepage effect of the tunnel.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems and provides an anti-seepage geomembrane for a tunnel, which solves the technical problem that two geomembranes are difficult and unstable to connect in the prior art.

The technical scheme of the utility model is as follows:

a geomembrane structure for tunnel prevention of seepage, including a plurality of mutual concatenations, its characterized in that: the geomembrane structure comprises a geomembrane body, a first connecting portion, a second connecting portion and a locking device, wherein the first connecting portion and the second connecting portion are oppositely and fixedly arranged on two sides of the geomembrane body, the locking device is clamped on the first connecting portion, the two adjacent geomembrane structures are arranged on the first connecting portion in a clamping mode, and the locking device is clamped on the first connecting portion and the second connecting portion respectively and is connected with the first connecting portion and the second connecting portion in a limiting mode.

In order to smoothly clamp the first connecting portion to the second connecting portion, preferably, in the present invention, first sliding grooves are symmetrically disposed on upper and lower sides of the first connecting portion, and an elastic protrusion is disposed on a left side of the first connecting portion.

In order to enable the second connecting portion to be smoothly connected with the first connecting portion in a clamping manner, preferably, second sliding grooves are symmetrically arranged on the upper side and the lower side of the second connecting portion, a concave portion is arranged on the right side of the second connecting portion, and the elastic convex portion is matched with the concave portion.

In order to smoothly and stably connect two geomembrane bodies, preferably, the locking device comprises two sliding blocks, a transverse plate and a pull ring, wherein the sliding blocks are arranged at two ends of the transverse plate in a bilateral symmetry manner, the two sliding blocks are respectively and slidably mounted in the first sliding groove of the first connecting part and the second sliding groove of the second connecting part, the pull ring is fixedly arranged on the transverse plate, when the pull ring is pulled, the sliding blocks are controlled to slide in the first sliding groove of the first connecting part and the second sliding groove of the second connecting part, and when the sliding blocks slide, the first connecting part and the second connecting part are gradually pulled close to enable the elastic protruding parts to be clamped in the concave parts, so that the two adjacent geomembrane bodies are clamped and connected.

In order to further stably connect two geomembranes locally, preferably, grooves are further formed in the upper side and the lower side of the second connecting portion, reinforcing nails and elastic pressing plates are arranged in the grooves at intervals, one end of each elastic pressing plate is arranged in the corresponding groove, the other end of each elastic pressing plate extends to the top of the corresponding reinforcing nail, pressing blocks matched with the grooves are fixedly arranged on the inner sides of the sliding blocks, and when the sliding blocks slide, the pressing blocks press the elastic pressing plates down, so that the reinforcing nails are pressed into the elastic protruding portions by the elastic pressing plates, the elastic protruding portions are locked, and a good reinforcing effect is achieved.

In order to prevent the reinforcing nails from falling off and further play a role in reinforcing, preferably, a clamping groove is formed in the side, far away from the elastic pressing plate, of each reinforcing nail, the clamping groove is formed in the groove, a clamping block matched with the clamping groove is arranged on the side edge, close to the reinforcing nail, of the end portion of the elastic pressing plate, and the elastic pressing plate drives the clamping block to move so that the clamping block enters the clamping groove.

In order not to influence the clamping of the elastic convex part in the concave part, preferably, when the elastic pressing plate does not press down the reinforcing nail, the lower end of the reinforcing nail does not extend into the concave part.

Due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. according to the utility model, the first connecting part and the second connecting part are arranged, the locking device is controlled to slide on the first connecting part and the second connecting part, the locking device gradually draws the first connecting part and the second connecting part close during sliding, so that the elastic bulge parts are clamped in the concave parts, and then the two adjacent geomembrane bodies are clamped and connected, so that the technical problem that the two geomembranes are difficult to connect is effectively solved, and the adjacent geomembrane bodies are difficult to peel off or shift after being connected through clamping and connecting in such a way.

2. According to the utility model, the elastic bulge and the concave part matched with the elastic bulge are arranged, so that two adjacent geomembranes are clamped more stably without a gap, and the anti-seepage effect of the tunnel is improved.

3. According to the tunnel anti-seepage device, the groove is formed, the reinforcing nail and the elastic pressing plate are arranged in the groove, when the sliding block slides, the first connecting part and the second connecting part can be connected in a clamping mode, and the sliding block also slides onto the elastic pressing plate, so that the reinforcing nail is pressed into the elastic protruding part by the elastic pressing plate, the elastic protruding part is locked, the reinforcing effect is achieved, manual nail nailing is reduced, the reinforcing efficiency is improved, after the reinforcing nail is pressed downwards, the concave part and the elastic protruding part are attached to each other, and the tunnel anti-seepage effect is improved.

4. The utility model is provided with the clamping block and the clamping groove, and the elastic pressing plate drives the clamping block to move, so that the clamping block enters the clamping groove, further playing a role in reinforcing and preventing the reinforcing nail from falling off.

5. The utility model synchronously realizes that the elastic convex part is clamped in the concave part, the reinforcing nail locks the elastic convex part and the clamping block enters the clamping groove, thereby obviously improving the operation efficiency and ensuring that two geomembranes are connected more easily and more stably.

Drawings

Fig. 1 is a schematic view of a geomembrane structure according to an embodiment of the present invention.

Fig. 2 is a schematic view of a connection structure of two adjacent geomembranes according to an embodiment of the present invention.

Fig. 3 is a sectional view taken along line a-a in fig. 2.

Fig. 4 is a partially enlarged view of C in fig. 1.

Fig. 5 is a partially enlarged view of B in fig. 3.

The reference numerals in fig. 1 to 5 are:

1. a geomembrane body; 2. a first connection portion; 21. a first chute; 22. an elastic boss; 3. a second connecting portion; 31. a second chute; 32. a recessed portion; 33. a groove; 4. a locking device; 41. a slider; 42. briquetting; 43. a pull ring; 44. a transverse plate; 5. reinforcing the nail; 6. an elastic pressure plate; 7. a clamping block; 8. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 3, the geomembrane for tunnel impermeable of the present embodiment includes a plurality of geomembrane structures spliced with each other, and is characterized in that: the geomembrane structure comprises a geomembrane body 1, a first connecting portion 2, a second connecting portion 3 and a locking device 4, wherein the first connecting portion 2 and the second connecting portion 3 are oppositely and fixedly arranged on two sides of the geomembrane body 1, the locking device 4 is clamped on the first connecting portion 2, the adjacent geomembrane structures are connected in a limiting mode on the adjacent first connecting portion 2 and the adjacent second connecting portion 3 through the locking device 4, and the adjacent two geomembrane structures are conveniently connected.

In order to smoothly clamp the first connecting portion 2 to the second connecting portion 3, as shown in fig. 1-3 and 4, the upper and lower side edges of the first connecting portion 2 are symmetrically provided with first sliding grooves 21, and the left side of the first connecting portion 2 is provided with an elastic protruding portion 22; the upper and lower lateral sides of the second connecting portion 3 are symmetrically provided with second sliding grooves 31, the right side of the second connecting portion 3 is provided with a concave portion 32, and the elastic convex portion 22 is matched with the concave portion 32.

In order to smoothly and stably connect two geomembrane bodies 1, as shown in fig. 1-3, a locking device 4 comprises two sliding blocks 41, a transverse plate 44 and a pull ring 43, the sliding blocks 41 are arranged at two ends of the transverse plate 44 in a bilateral symmetry manner, the two sliding blocks 41 are respectively arranged in a first sliding groove 21 of a first connecting part 2 and a second sliding groove 31 of a second connecting part 3 in a sliding manner so as to limit and connect two adjacent geomembrane structures, the two locking devices 4 are arranged in an up-down symmetry manner, the pull ring 43 is fixedly arranged on the transverse plate 44, when the pull ring 43 is pulled, the sliding blocks 41 are controlled to slide in the first sliding groove 21 of the first connecting part 2 and the second sliding groove 31 of the second connecting part 3, when the sliding blocks 41 slide, the first connecting part 2 and the second connecting part 3 are gradually pulled to enable the elastic convex part 22 to be clamped in the concave part 32, so that the two adjacent geomembrane bodies 1 are clamped and connected, thereby effectively solving the technical problem that the two geomembranes are difficult to be connected, and through the mode snap-fit connection, the phenomenon of peeling or displacement is difficult to appear after the adjacent two geomembrane bodies 1 are connected.

In order to further and stably connect two geomembranes in the soil, as shown in the figures 3, 4 and 6, grooves 33 are further arranged on the upper side edge and the lower side edge of the second connecting part 3, reinforcing nails 5 and elastic pressing plates 6 are arranged in the grooves 33 at intervals, one end of each elastic pressing plate 6 is arranged in the groove 33, the other end of each elastic pressing plate 6 extends to the top of the corresponding reinforcing nail 5, pressing blocks 42 matched with the grooves 33 are fixedly arranged on the inner sides of the sliding blocks 41, when the sliding blocks 41 slide, the pressing blocks 42 press down the elastic pressing plates 6, so that the elastic pressing plates 6 press the reinforcing nails 5 into the elastic convex parts 22, the elastic convex parts 22 are locked, a reinforcing effect is achieved, manual nailing is reduced, reinforcing efficiency is improved, after the reinforcing nails 5 are pressed down, the concave parts 32 are more attached to the elastic convex parts 22, a tunnel seepage-proofing effect is improved, in order not to influence the clamping of the elastic convex parts 22 in the concave parts 32, and when the reinforcing nails 5 are not pressed down by the elastic pressing plates 6, the lower end of the reinforcing pin 5 does not extend into the recess 32.

In order to prevent the reinforcing nails 5 from falling off, a reinforcing effect is further achieved, as shown in fig. 3 and 5, a clamping groove 8 is formed in the side, far away from the elastic pressing plate 6, of each reinforcing nail 5, the clamping groove 8 is formed in the groove 33, a clamping block 7 matched with the clamping groove 8 is arranged on the side edge, close to the reinforcing nail 5, of the end portion of the elastic pressing plate 6, and the elastic pressing plate 6 drives the clamping block 7 to move, so that the clamping block 7 enters the clamping groove 8.

The principle of the utility model is as follows: when in actual operation connection, firstly, the two sliding blocks 41 of the locking device 4 are respectively installed in the first sliding groove 21 of one geomembrane and the second sliding groove 31 of the other geomembrane in a sliding manner, then the locking device 4 is controlled to slide on the first connecting part 2 and the second connecting part 3, the locking device 4 gradually draws the first connecting part 2 and the second connecting part 3 close during sliding, so that the elastic bulge part 22 is clamped in the concave part 32, meanwhile, the pressing block 42 presses down the elastic pressing plate 6 when the locking device 4 slides, so that the elastic pressing plate 6 presses the reinforcing nail 5 into the elastic bulge part 22, so that the elastic bulge part 22 is locked, and a reinforcing effect is achieved, meanwhile, the elastic pressing plate 6 drives the clamping block 7 to move, so that the clamping block 7 enters the clamping groove 8, the reinforcing nail 5 is prevented from falling off, and a reinforcing effect is further achieved.

The utility model is designed aiming at the connection between two geomembrane bodies 1, and has the advantages that the two adjacent geomembrane bodies 1 are easy to connect and are not easy to peel or shift after being connected.

The above description is intended to describe in detail the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the claims of the present invention, and all equivalent changes and modifications made within the technical spirit of the present invention should fall within the scope of the claims of the present invention.

Claims

1. A geomembrane structure for tunnel prevention of seepage, including a plurality of mutual concatenations, its characterized in that: the geomembrane structure comprises a geomembrane body (1), a first connecting portion (2), a second connecting portion (3) and a locking device (4), wherein the first connecting portion (2) and the second connecting portion (3) are oppositely and fixedly arranged on two sides of the geomembrane body (1), the locking device (4) is clamped and arranged on the first connecting portion (2) and is adjacent to the first connecting portion, and the locking device (4) is clamped and arranged on the first connecting portion (2) and the second connecting portion (3) respectively and is connected in a limiting manner.

2. The geomembrane for tunnel impermeability according to claim 1, wherein: the upper side and the lower side of the first connecting part (2) are symmetrically provided with first sliding grooves (21), and the left side of the first connecting part (2) is provided with an elastic bulge part (22).

3. The geomembrane for tunnel impermeability according to claim 2, wherein: the upper side and the lower side of the second connecting part (3) are symmetrically provided with second sliding grooves (31), the right side of the second connecting part (3) is provided with a concave part (32), and the elastic convex part (22) is matched with the concave part (32).

4. The geomembrane for tunnel impermeability according to claim 3, wherein: locking device (4) include two sliders (41), diaphragm (44) and pull ring (43), slider (41) bilateral symmetry sets up diaphragm (44) both ends, two slider (41) slidable mounting respectively in first connecting portion (2) first spout (21) with in second connecting portion (3) second spout (31) to with adjacent two geomembrane structure is spacing to be connected, pull ring (43) are fixed to be established on diaphragm (44).

5. The geomembrane for tunnel impermeability according to claim 4, wherein: the upper and lower side of second connecting portion (3) still is equipped with recess (33), the interval is equipped with in recess (33) consolidates nail (5) and elastic pressing plate (6), elastic pressing plate (6) one end is established in recess (33), and the other end extends and establishes consolidate nail (5) top, slider (41) inboard fixed be equipped with briquetting (42) of recess (33) looks adaptation, when slider (41) slide, briquetting (42) will elastic pressing plate (6) are pushed down, make elastic pressing plate (6) will consolidate nail (5) and press into in elastic bulge (22), will elastic bulge (22) locking.

6. The geomembrane for tunnel impermeability according to claim 5, wherein: every consolidate nail (5) and keep away from the side of elastic pressure plate (6) all is equipped with draw-in groove (8), draw-in groove (8) are seted up in recess (33), elastic pressure plate (6) are close to the tip side of consolidating nail (5) be equipped with fixture block (7) of draw-in groove (8) looks adaptation, elastic pressure plate (6) drive fixture block (7) remove, make fixture block (7) get into in draw-in groove (8).

7. The geomembrane for tunnel impermeability according to claim 5, wherein: when the elastic pressing plate (6) does not press down the reinforcing nails (5), the lower ends of the reinforcing nails (5) do not extend into the concave parts (32).