Plastic inserting plate anti-disengaging structure for tunnel secondary lining

Abstract

The utility model relates to the technical field of insert plastic plate design, and discloses an insert plastic plate anti-disengagement structure for a tunnel secondary lining, which comprises an insert plastic plate, a plurality of diversion trenches are arranged outside the insert plastic plate, a plurality of detection mechanisms are fixedly connected inside the insert plastic plate, a plurality of threaded holes are arranged at the bottom of the insert plastic plate, and the detection mechanisms are fixedly connected with the insert plastic plate. The outer part of the threaded hole is rotationally connected with a detachable mechanism; the detection mechanism comprises a pressure sensor, a slurry guide assembly is fixedly connected to the interior of the plastic insertion plate, and the exterior of the pressure sensor is fixedly connected to the interior of the plastic insertion plate. According to the anti-disengaging structure of the tunnel secondary lining plastic inserting plate, the flow guide groove is used for optimizing the concrete flowing path, pouring disengaging is reduced, meanwhile, the sensor and the slurry guide pipe are integrated, real-time monitoring and accurate repairing are achieved, the construction quality is effectively improved, and stability and safety of the tunnel structure are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the design technical field of plastic -inserted board, especially a kind of plastic -inserted board anti-disengagement structure for tunnel secondary lining. BACKGROUND

[0002] The plastic -inserted board anti-disengagement structure for tunnel secondary lining is a protective device applied in tunnel engineering, to prevent disengagement phenomenon between secondary lining and primary support, mainly comprising plastic -inserted board, anchoring system and filling material, and the plastic -inserted board is the core component of anti-disengagement, usually adopts corrosion-resistant plastic plate, is formed by special process, has good flexibility and anti-deformation ability, and its surface is provided with anti-skid texture or protrusion to increase the friction force with the surface of secondary lining and primary support.

[0003] Through search, China announcement No. CN214118210U discloses a kind of plastic -inserted board anti-disengagement structure for tunnel secondary lining, including waterproof board trolley installation block, the lower side of waterproof board trolley installation block is symmetrically provided with two sliding grooves, the inner side of two sliding grooves is slidably connected with limiting plate, the opposite side of two limiting plates is fixedly connected with inserting rod, the outer side of two inserting rods is commonly provided with waterproof board roll, the inside of waterproof board trolley installation block is provided with adjusting mechanism for adjusting the position of two limiting plates, the inside of waterproof board trolley installation block is provided with driving mechanism for driving adjusting mechanism to operate, realize that two limiting plates move towards opposite side or left and right sides, improve the roll change efficiency of waterproof board roll, secondly realize the driving of rotating plate, facilitate the replacement of waterproof board roll.

[0004] The specification of the above patent mentions that "two limiting plates move towards opposite side or left and right sides, improve the roll change efficiency of waterproof board roll, secondly realize the driving of rotating plate, facilitate the replacement of waterproof board roll", although waterproof board roll can be replaced, current grouting material has the problems of poor combination with concrete and easy formation of secondary void, manual detection of disengagement has the defects of low efficiency and difficult to cover full section, and grouting opportunity is often delayed, cannot be monitored and prevented from disengagement in real time during concrete pouring process, so as to effectively guarantee construction quality, aiming at the above problems, a kind of plastic -inserted board anti-disengagement structure for tunnel secondary lining is provided. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a kind of plastic -inserted board anti-disengagement structure for tunnel secondary lining, to improve the problem that part of plastic -inserted board anti-disengagement structure for tunnel secondary lining in prior art cannot prevent disengagement synchronously in concrete pouring stage, improve density.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] The utility model relates to a kind of tunnel second lining is inserted into the structure of plastic plate and prevents empty, including plastic plate, the outside of the plastic plate is equipped with multiple flow guide grooves, the inside of the plastic plate is fixedly connected with multiple detection mechanisms, the bottom of the plastic plate is provided with multiple threaded holes, the outside of the threaded hole is rotatably connected with detachable mechanism;

[0008] The detection mechanism includes a pressure sensor, and the inside of the plastic plate is fixedly connected with a slurry guide assembly.

[0009] As a further description of the above technical solution:

[0010] The slurry guide assembly includes a micro slurry guide pipe, and the outside of the micro slurry guide pipe is fixedly connected to the inside of the plastic plate.

[0011] As a further description of the above technical solution:

[0012] The detachable mechanism includes a bolt, and the outside of the bolt is threadedly connected to the inside of the threaded hole.

[0013] As a further description of the above technical solution:

[0014] The outside of the bolt is fixedly connected with a support rod, and the outside of the bolt is rotatably connected to the bottom of the plastic plate.

[0015] As a further description of the above technical solution:

[0016] The bottom of the support rod is fixedly connected with an inverted hook anchor, and the outside of the inverted hook anchor is rotatably connected to the bottom of the plastic plate.

[0017] As a further description of the above technical solution:

[0018] The inside of the plastic plate is fixedly connected with multiple micro slurry guide pipes, and the inside of the plastic plate is fixedly connected with multiple pressure sensors.

[0019] As a further description of the above technical solution:

[0020] The outside of the bolt is fixedly connected to the inside of the support rod, and the outside of the support rod is rotatably connected to the bottom of the plastic plate.

[0021] As a further description of the above technical solution:

[0022] The outside of the support rod is fixedly connected to the outside of the inverted hook anchor, and the bottom of the plastic plate is rotatably connected with an inverted hook anchor.

[0023] The utility model has the following beneficial effects:

[0024] 1. The tunnel secondary lining plastic plate anti-disengagement structure, through the flow guide groove, optimizes the flow path of the concrete, significantly reduces the disengagement phenomenon in the pouring process, improves the filling density of the concrete, and the integrated sensor can monitor the pouring state of the concrete in real time, providing instant and accurate data support for the construction personnel, and the grout pipe serves as an emergency repair channel, which can quickly inject slurry for accurate repair once disengagement or pouring defects are found, providing a powerful guarantee for the long-term stability and safety of the tunnel structure, effectively avoiding disengagement between the secondary lining and the primary lining, and improving the overall stability of the tunnel.

[0025] 2. The utility model discloses a rotating bolt, the bolt drives the support rod to rotate, the connecting rod drives the barb anchor to rotate, ensures that the barb anchor can be quickly and effectively removed, thereby realizing the efficient separation of the concrete and the reinforcing steel bar, reduces the disturbance to the surrounding structure, and significantly improves the construction safety, and through this mode, materials can be conveniently recycled and reused, resource recycling is promoted, and green construction is realized. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 A three-dimensional schematic view of the tunnel secondary lining plastic plate anti-disengagement structure is provided for the utility model;

[0027] Figure 2 A structure schematic view of the flow guide groove of the tunnel secondary lining plastic plate anti-disengagement structure is provided for the utility model;

[0028] Figure 3 A structure schematic view of the connecting rod of the tunnel secondary lining plastic plate anti-disengagement structure is provided for the utility model;

[0029] Figure 4 A Figure 2 An enlarged view of position A in the utility model;

[0030] Figure 5 A structure schematic view of the barb anchor of the tunnel secondary lining plastic plate anti-disengagement structure is provided for the utility model.

[0031] LEGEND:

[0032] 1, plastic plate; 2, flow guide groove; 3, micro grout pipe; 4, pressure sensor; 5, threaded hole; 6, bolt; 7, support rod; 8, barb anchor. DETAILED DESCRIPTION

[0033] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0034] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Figure 1 , Figure 2 , Figure 4 The present application provides an embodiment: a kind of tunnel two lining with plastic plate anti void structure, including plastic plate 1, plastic plate 1 overall is rectangular plate structure, its length and width are adapted design according to the specific size of tunnel two lining, thickness is uniform and has certain strength and tenacity, to ensure that it can play a stable role in tunnel environment, the outside of plastic plate 1 is provided with multiple flow guide grooves 2, flow guide groove 2 is evenly distributed along the surface of plastic plate 1, its shape is long and narrow recess, moderate depth, both can effectively guide fluid flow, again it will not be too much influence the overall structural strength of plastic plate 1, the trend of flow guide groove 2 is consistent with the installation direction of plastic plate 1 in tunnel, to better realize drainage, the inside of plastic plate 1 is fixedly connected with multiple detection mechanisms, the bottom of plastic plate 1 is provided with multiple threaded holes 5.

[0035] Threaded hole 5 is evenly arranged in the bottom surface of plastic plate 1, the specification and precision of thread are also strictly controlled, to ensure the connection tightness and stability with other components, the outside of threaded hole 5 is rotatably connected with detachable mechanism;Detection mechanism includes pressure sensor 4, pressure sensor 4 adopts high-precision pressure sensing element, its appearance is small, it is convenient to install in the specific position of plastic plate 1, the inside of plastic plate 1 is fixedly connected with guide slurry assembly, the outside of pressure sensor 4 is fixedly connected in the inside of plastic plate 1, guide slurry assembly includes micro guide slurry pipe 3, micro guide slurry pipe 3 is long and narrow tubular structure, its inner diameter is small but enough to meet the flow demand of slurry, the outside of micro guide slurry pipe 3 is fixedly connected in the inside of plastic plate 1.

[0036] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Figure 3 , Figure 5The detachable mechanism comprises a bolt 6 which is cylindrical in shape, with uniform thread lines engraved on its outer surface. The threads are of high precision and can tightly fit into the threaded hole 5 at the bottom of the plastic insertion plate 1. The outer threads of the bolt 6 are connected to the inside of the threaded hole 5. The bolt 6 is freely rotatable within the threaded hole 5 by virtue of the threads on its outer surface engaging with the threaded hole 5 at the bottom of the plastic insertion plate 1. This rotational connection ensures that the bolt 6 can be easily screwed in or out of the threaded hole 5, thereby enabling detachable connection between the plastic insertion plate 1 and other components. The outer part of the bolt 6 is fixedly connected to a support rod 7, which is rotatably connected to the bottom of the plastic insertion plate 1. The bottom of the support rod 7 is fixedly connected to a barbed anchor 8.

[0037] The barbed anchor 8 is curved and hook-shaped to adapt to the surface morphology of the tunnel lining. Its outer surface is smooth to reduce friction with the tunnel lining surface during insertion. The barbed anchor 8 is rotatably connected to the bottom of the plastic insertion plate 1. When the barbed anchor 8 is brought close to the bottom of the plastic insertion plate 1 by the support rod 7, it can freely rotate around its connection point with the support rod 7, thereby better adapting to the unevenness of the tunnel lining surface and ensuring that the barbed anchor 8 can securely hook onto the tunnel lining. The inside of the plastic insertion plate 1 is fixedly connected to multiple micro-guiding pipes 3. The inside of the plastic insertion plate 1 is also fixedly connected to multiple pressure sensors 4. The outer part of the bolt 6 is fixedly connected to the inside of the support rod 7. The outer part of the support rod 7 is rotatably connected to the bottom of the plastic insertion plate 1. The outer part of the support rod 7 is fixedly connected to the outer part of the barbed anchor 8. The bottom of the plastic insertion plate 1 is rotatably connected to the barbed anchor 8.

[0038] Working principle: First, according to the design parameters of the tunnel vault, the plastic insertion plate 1 is fixed to the primary rock surface through the anchoring structure, ensuring that it matches the spacing of the lining steel mesh. When pouring the lining concrete, the flow guide groove 2 guides the concrete to uniformly fill the vault area, reducing voids. The pressure sensors 4 monitor the pressure changes during the concrete setting process. If an abnormal pressure drop is detected, it is determined to be a void area. The pre-buried micro-guiding pipes 3 inject an expanding slurry to fill the void area, completing the repair.

[0039] By placing the plastic insertion plate 1 at the desired connection location and then rotating the bolt 6 to freely rotate within the threaded hole 5, the bolt 6 can be easily screwed in or out of the threaded hole 5 due to its external rotational connection to the threaded hole 5. This allows the bolt 6 to freely rotate within the threaded hole 5 by virtue of the threads on its outer surface engaging with the threaded hole 5 at the bottom of the plastic insertion plate 1. The support rod 7 is fixedly connected to the outer part of the bolt 6, and the barbed anchor 8 is fixedly connected to the bottom of the support rod 7. Through the combination of the bolt 6, the support rod 7, and the barbed anchor 8, detachable connection with other components is achieved.

[0040] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A structure for preventing voids with plastic-inlaid plates for tunnel secondary lining, comprising plastic-inlaid plates (1), characterized in that: The outside of the plug-in plastic plate (1) is provided with a plurality of flow guide grooves (2), the inside of the plug-in plastic plate (1) is fixedly connected with a plurality of detection mechanisms, the bottom of the plug-in plastic plate (1) is provided with a plurality of threaded holes (5), and the outside of the threaded hole (5) is rotatably connected with a detachable mechanism. The detection mechanism comprises a pressure sensor (4), the inside of the plug-in plastic plate (1) is fixedly connected with a pulp guide assembly, and the outside of the pressure sensor (4) is fixedly connected to the inside of the plug-in plastic plate (1).

2. The anti-disengaging structure of the plastic-inlaid plate for the second lining of the tunnel according to claim 1, characterized in that: The pulp guide assembly comprises a micro pulp guide pipe (3), and the outside of the micro pulp guide pipe (3) is fixedly connected to the inside of the plug-in plastic plate (1).

3. The anti-disengaging structure of the plastic-inlaid plate for the second lining of the tunnel according to claim 1, characterized in that: The detachable mechanism comprises a bolt (6), and the outside of the bolt (6) is screw-connected to the inside of the threaded hole (5).

4. The anti-disengaging structure of the plastic-inlaid plate for the second lining of the tunnel according to claim 3, characterized in that: The outside of the bolt (6) is fixedly connected with a support rod (7), and the outside of the bolt (6) is rotatably connected to the bottom of the plug-in plastic plate (1).

5. The anti-disengaging structure of the plastic-inlaid plate for the second lining of the tunnel according to claim 4, characterized in that: The bottom of the support rod (7) is fixedly connected with an inverted hook anchor (8), and the outside of the inverted hook anchor (8) is rotatably connected to the bottom of the plug-in plastic plate (1).

6. The anti-disengaging structure of the plastic-injected plate for the second lining of a tunnel according to claim 1, characterized in that: The inside of the plug-in plastic plate (1) is fixedly connected with a plurality of micro pulp guide pipes (3), and the inside of the plug-in plastic plate (1) is fixedly connected with a plurality of pressure sensors (4).

7. The anti-disengaging structure of the plastic-injected plate for the second lining of a tunnel according to claim 4, characterized in that: The outside of the bolt (6) is fixedly connected to the inside of the support rod (7), and the outside of the support rod (7) is rotatably connected to the bottom of the plug-in plastic plate (1).

8. The anti-disengaging structure of the plastic-inlaid plate for the second lining of the tunnel according to claim 5, characterized in that: The outside of the support rod (7) is fixedly connected to the outside of the inverted hook anchor (8), and the bottom of the plug-in plastic plate (1) is rotatably connected with the inverted hook anchor (8).

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