Road tunnel construction drainage device

By adopting a design of connecting rods, top plates, and screening mechanisms in the drainage device for highway tunnel construction, combined with a locking mechanism and bolt structure, the problem of time-consuming and labor-intensive installation of existing devices is solved, enabling rapid alignment and disassembly, and improving construction and cleaning efficiency.

CN223854316UActive Publication Date: 2026-01-30GUANGXI TRANSPORTATION SCI & TECH GRP CO LTD
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Patent Information

Application Number
CN202520799983.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-25
Publication Date
2026-01-30
Estimated Expiration
2035-04-25

AI Technical Summary

Technical Problem

Existing drainage devices for highway tunnel construction suffer from inaccurate and time-consuming baffle installation, resulting in low construction efficiency.

Method used

The design incorporates a connecting rod, top plate, and screening mechanism, combined with a locking mechanism and bolt structure, to achieve rapid alignment and disassembly, thereby improving installation efficiency.

Benefits of technology

The design allows for quick installation and disassembly, improving construction and cleaning efficiency, saving construction time, and extending the service life of the equipment.

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Abstract

The utility model discloses a drainage device for highway tunnel construction. The drainage device comprises a device main body, the multiple connecting rods are arranged in the length direction of the device body at intervals, the two ends of each connecting rod are connected with the two inner side walls of the device body correspondingly, and locking mechanisms are arranged on the inner sides of the connecting rods; the top plate is arranged between two adjacent connecting rods and is detachably connected with the connecting rods through a locking mechanism; the screening mechanism is detachably connected to the bottom of the top plate, and a distance is kept between the screening mechanism and the top plate. The screening mechanism is arranged to be connected with the top plate, the screening mechanism can be rapidly taken out to be cleaned when the top plate is disassembled, the top plate is connected with the connecting rod through the locking mechanism, the top plate and the connecting rod can be rapidly installed and disassembled, and the work efficiency of installation and cleaning is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the construction drainage field especially relates to a highway tunnel construction drainage device. BACKGROUND

[0002] The drainage system of the highway tunnel is an important facility for ensuring driving safety and is related to the safety and durability of the tunnel structure. The drainage groove is an essential important structure, and a drainage device is usually arranged on the top of the drainage groove to guide drainage and block construction waste or foreign matter with large volume. In addition, a filter structure is arranged below the drainage device to filter foreign matter with small volume. The filter structure needs to be cleaned regularly to prevent the drainage outlet from being blocked.

[0003] The existing Chinese patent with publication number CN218293656U discloses a tunnel drainage structure, which comprises a drainage opening arranged in a tunnel, abutting plates fixedly connected to the left and right side walls in the drainage opening, an L-shaped front surface of the abutting plate, two abutting plates arranged opposite to each other, a filter screen plate clamped between the two abutting plates, a cavity formed in the abutting plate, a positioning structure arranged in the cavity, a baffle plate arranged on the top surface of the drainage opening, and a plurality of drainage holes formed in the baffle plate. The filter screen plate is convenient to disassemble and install, so that the filter screen plate can be cleaned conveniently. However, the device is difficult to align during installation, and it is time-consuming and laborious to install the bolts, which reduces the construction efficiency of the drainage device. In view of the above problems, the present application provides a highway tunnel construction drainage device. UTILITY MODEL CONTENTS

[0004] The utility model solves the problems of inaccurate alignment and time-consuming installation of the existing device during baffle plate installation, which reduces the construction efficiency of the drainage device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A highway tunnel construction drainage device comprises:

[0007] A device main body;

[0008] A plurality of connecting rods are arranged at intervals along the length direction of the device main body, and the two ends are connected to the two inner side walls of the device main body, respectively. A locking mechanism is arranged on the inner side;

[0009] A top plate is arranged between the two adjacent connecting rods and is detachably connected to the connecting rods through the locking mechanism;

[0010] A screening mechanism is detachably connected to the bottom of the top plate and maintains a distance with the top plate.

[0011] Preferably, the screening mechanism includes a collection frame and a connecting block. The collection frame has symmetrically arranged matching protrusions on both sides of the top. The connecting block is fixedly connected to the bottom of both sides of the top plate and has a slot at the bottom. The matching protrusions can be matched and inserted into the slots. The matching protrusions are fixed together with the connecting block by a connector, so that the screening mechanism is detachably connected to the top plate.

[0012] More preferably, the connector includes a bolt, and the outer side of the connecting block is provided with a screw hole passing through it. The mating protrusion is also provided with a corresponding screw hole or through hole. The bolt can be inserted from the outer side of the connecting block and pass through the mating protrusion, so that the mating protrusion and the connecting block are connected to each other.

[0013] Preferably, the top plate has a positioning hole formed from the outer side to the inner side. The positioning hole is an L-shaped hole composed of a horizontal hole and a vertical hole. The lower end of the vertical hole extends outward from the bottom of the top plate, and the top inner side communicates with the horizontal hole.

[0014] The locking mechanism includes a limiting pin and a limiting spring. A reset groove is provided inside the connecting rod. The inner end of the limiting pin is connected to the limiting spring and is slidably installed in the reset groove. Under the elastic force of the limiting spring, it can extend into the horizontal hole, so that the top plate and the connecting rod form a detachable connection. The top plate is correspondingly provided with an ejection mechanism to eject the limiting pin from the horizontal hole to the vertical hole.

[0015] More preferably, the ejection mechanism includes a pressure plate, a return spring, a push rod, and a transmission block. The top surface of the top plate has a longitudinally arranged column groove. The pressure plate is slidably installed in the column groove, and its bottom is fixedly connected to the transmission block through the push rod. A return spring is sleeved around the push rod, and the bottom of the return spring abuts against the bottom of the column groove. When the pressure plate pushes the transmission block to slide downward, it can match and eject the limiting pin from the horizontal hole to the vertical hole.

[0016] More preferably, the top of the transmission block is provided with a tapered protrusion.

[0017] More preferably, the head of the limiting pin is conical or hemispherical with its center protruding outward.

[0018] Preferably, the top plate is provided with a plurality of seepage holes, and a baffle is provided below the seepage holes. One side of the baffle is connected to a rotating connecting seat via a torsion spring, and the rotating connecting seat is connected to the top plate.

[0019] This utility model has the following beneficial effects:

[0020] (1) The present invention sets the screening mechanism to be connected to the top plate, so that the screening mechanism can be quickly removed for cleaning when the top plate is disassembled.

[0021] (2) The utility model discloses a bolt structure is fast to realize the connection of roof and screening mechanism, and after screening mechanism is taken out, can more conveniently carry out the disassembly and installation of bolt structure.

[0022] (3) The utility model discloses a locking mechanism is fast between roof and connecting rod and is connected, and through pressing ejection mechanism can make locking mechanism fast unlocking, has saved roof and screening mechanism assembly and disassembly operation time, and further makes the collection frame can be more quickly disassembled and cleaned, effectively improve construction and cleaning efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the overall structure schematic diagram of a highway tunnel construction drainage device of the utility model;

[0024] Figure 2 It is the overall structure schematic diagram of a highway tunnel construction drainage device of the utility model without baffle structure;

[0025] Figure 3 It is the baffle side sectional view structure schematic diagram of a highway tunnel construction drainage device of the utility model;

[0026] Figure 4 It is the baffle side sectional view structure schematic diagram of a highway tunnel construction drainage device of the utility model at A place (limiting pin is inserted into horizontal hole);

[0027] Figure 5 It is the baffle side sectional view structure schematic diagram of a highway tunnel construction drainage device of the utility model at A place (limiting pin is inserted into horizontal hole);

[0028] Legend:

[0029] 1, device main body;2, connecting rod;3, screening mechanism;4, locking mechanism;5, roof;6, lower infiltration hole;7, positioning hole;9, baffle;10, rotary connecting seat;31, collection frame;32, fit convex;33, bolt;34, connecting block;35, nut;41, limiting pin;42, limiting spring;43, reset slot;44, pressing plate;45, transmission block;46, conical convex. DETAILED DESCRIPTION

[0030] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0031] Referring to 1-4, the utility model provides a kind of highway tunnel construction drainage device, including device main body 1, connecting rod 2, top plate 5 and screening mechanism 3, wherein, device main body 1 is two long strip shape structures that can be matched and installed at the top front side and rear side of drainage groove, multiple connecting rods 2 are arranged at the length direction of device main body 1 with interval, connecting rod 2 is fixedly connected with the two inner side walls of device main body 1, top plate 5 is installed between adjacent connecting rod 2, and the two end surfaces of top plate 5 abut with the side surface of connecting rod 2, and top plate 5 is detachably connected with connecting rod 2 by locking mechanism;Screening mechanism 3 is detachably connected at the bottom of top plate 5 and keeps spacing with top plate 5, of course, top plate 5 is provided with infiltration hole 6 with interval, to drain downward by infiltration hole 6, part of foreign matter is intercepted by screening mechanism 3 in the process of drainage, and screening mechanism 3 keeps spacing with top plate 5 to better accommodate part of foreign matter.

[0032] For the convenience of water inflow construction water drainage and the installation of top plate 5, the upper portions of the two inner side walls of the device main body 1 can be provided as inclined guide surfaces, the spacing between the top portions of the two inner side walls is large, and the spacing between the middle portions is small, to guide the construction water to flow into the top plate 5. The lower portions of the two inner side walls of the device main body 1 can be provided with uniform spacing for accommodating the top plate 5.

[0033] Screening mechanism 3 includes collecting frame 31 and connecting block 34, the top of collecting frame 31 is symmetrically provided with fitting protrusion 32, the top of connecting block 34 is fixedly connected with the two side bottoms of top plate 5, the bottom of connecting block 34 is provided with a slot, the fitting protrusion 32 can be matched and inserted into the slot, and the fitting protrusion 32 and the connecting block are fixed together through a connecting piece. Regarding the connecting piece, the present embodiment provides a simple structure, including bolt 33, a screw hole is provided on the outer side of connecting block 34 and inwardly threaded, the fitting protrusion 32 is also matched and provided with a corresponding screw hole or through hole, the other end of bolt 33 can pass through the fitting protrusion 32 and then connect the fitting protrusion 32 and the connecting block 34 with each other; more preferably, one end of bolt 33 is provided with nut 35, to facilitate the rotation installation or disassembly of bolt 33; by providing connecting block 34 and fitting protrusion 32, and the corresponding connecting piece, the disassembly and cleaning of collecting frame 31 can be facilitated, and the cleaning work efficiency is improved.

[0034] The top plate 5 is provided with a positioning hole 7 on the outer side, the positioning hole 7 is an L-shaped hole composed of a horizontal hole and a vertical hole, the lower end of the vertical hole extends outward from the bottom of the top plate 5, and the outer side penetrates to the outer side of the top plate 5, and the inner side is communicated with the horizontal hole. The locking mechanism 4 includes a limiting pin 41 and a limiting spring 42, and the connecting rod 2 is provided with a reset slot 43, which is horizontally arranged, the limiting pin 41 is slidably installed in the reset slot 43 and can be extended into the horizontal hole under the elastic force of the limiting spring 42, regarding the setting mode of the limiting spring 42, the tail end of the limiting pin 41 is provided with an outwardly protruding clasp, the limiting spring 42 is sleeved on the tail end of the limiting pin 41, and the two ends of the limiting spring 42 are respectively abutted with the clasp and one end of the reset slot 43, the limiting spring 42 can push the limiting pin 41 to move to the other end of the reset slot 43 by its own tension, and the head of the limiting pin 41 is elastically extended outward from the side of the connecting rod 2, and then inserted into the horizontal hole of the positioning hole 7, and then the connecting rod 2 and the top plate 5 are locked with each other; the top plate 5 is correspondingly provided with an ejection mechanism for ejecting the limiting pin 41 from the horizontal hole to the vertical hole, so as to facilitate the disassembly of the top plate 5.

[0035] Regarding the setting of the top mechanism, the embodiment provides a preferred technical scheme, the ejection mechanism includes a pressing plate 44, a reset spring, a push rod and a transmission block 45, the top surface of the top plate 5 is provided with a vertically arranged column slot, the pressing plate 44 is slidably installed in the column slot, the bottom of the pressing plate 44 is fixedly connected with the transmission block 45 through the push rod, the reset spring is sleeved on the outer periphery of the push rod and the two ends thereof are respectively abutted with the bottom of the column slot and the bottom of the pressing plate 44, and the transmission block 45 is provided with a protruding portion 451, which is matched with the protruding portion 452 of the push rod, and the transmission block 45 is matched with the protruding portion 453 of the pressing plate 44. Figure 5 As shown in the combination of the top plate 5 and the connecting rod 2, when the pressing plate 44 pushes the transmission block 45 to slide downward, the head of the limiting pin 41 can be matched to be ejected from the horizontal hole to the vertical hole. Obviously, the upper surface of the horizontal hole also needs to be correspondingly provided with a sliding groove to accommodate the push rod and the transmission block 45 to slide up and down. More preferably, the bottom of the transmission block 45 is provided with a conical protrusion 46. As shown in the combination of the top plate 5 and the connecting rod 2, Figure 5 As shown in the combination of the top plate 5 and the connecting rod 2, when the pressing plate 44 is pressed downward, the pressing plate 44 drives the push rod and the transmission block 45 to move downward and extend downward from the top side of the horizontal hole of the positioning hole 7, the conical surface of the conical protrusion 46 is abutted with the head of the limiting pin 41 and can back eject the limiting pin 41, so that the head of the limiting pin 41 is located in the vertical hole of the positioning hole 7, thereby loosening the locking and fixing of the positioning hole 7 to be able to pull up the top plate 5 upward, facilitating the top plate 5 to be taken up, the collecting frame 31 and the bottom of the top plate 5 to be cleaned, thereby improving the service life of the device. In combination Figure 4As shown, when the top plate 5 is installed, the head of the limiting pin 41 is extended forward to the transverse hole under the action of the limiting spring 42, and the conical protrusion 46 will not affect the entry of the limiting pin 41 into the transverse hole due to the action of the reset spring, so that the top plate 5 is connected with the connecting rod 2. It is worth noting that the head of the limiting pin 41 is preferably conical or hemispherical with a central position protruding outward, so as to facilitate abutting with the conical protrusion 46 of the transmission block 45 and being pushed out of the transverse hole or partially pushing the conical protrusion 46 out of the transverse hole under the elastic action. The top surface of the top plate 5 is preferably provided with annular or arrayed strip-shaped limiting structures at positions corresponding to the column grooves, so as to prevent the pressing plate 44 from extending beyond the top surface of the top plate 5. Obviously, the annular or arrayed strip-shaped limiting structures have pressing positions in the middle, so as to press the pressing plate 44 when the top plate 5 is disassembled.

[0036] A plurality of infiltration holes 6 are provided through the top and bottom surfaces of the top plate 5. Optionally, a baffle 9 is arranged below the infiltration holes 6, and one side of the baffle 9 is connected with a rotary connecting seat 10 through a torsion spring. The rotary connecting seat 10 is connected with the bottom surface of the top plate 5. The baffle 9 can be attached to the bottom surface of the top plate 5 and block the bottom of the infiltration holes 6 through the elastic force of the torsion spring, so as to isolate the smell inside the drainage groove, avoid the risk of odor, and ensure the overall environment of the tunnel. In use, the construction water can be guided to the infiltration holes 6 through the guide surface structures on the two inner side walls of the device main body 1, and then the construction water is screened through the infiltration holes 6 to remove large foreign matters or waste residues that are easy to block the water tank. The construction water is turned over to open the baffle 9 through the rotary connecting seat 10 by its own gravity, so that the construction water continues to flow downward and then flows into the drainage groove after being filtered again by the collection frame 31, so as to avoid the blockage of the drainage groove in use. The baffle 9 is turned over and reset by the reset of the torsion spring, so as to block the bottom of the infiltration holes 6, isolate the smell inside the drainage groove, avoid the risk of odor, and ensure the overall environment of the tunnel.

[0037] In use, the above embodiment realizes rapid locking and installation of the device through the screening mechanism cooperating with the locking mechanism and the rebound of the limiting spring, so as to improve the installation and construction efficiency of the top plate 5. The collection frame can be quickly disassembled and cleaned through the connection structure of the bolt 33, so as to facilitate long-term and multiple use of the device.

[0038] For the above preferred technical solutions, the specific working principle is: when installing, the device main body 1 is tightly attached to the inner wall of the drain groove for quick installation, and then the top plate 5 is installed between the connecting rods 2 through the guide surface structure on the two inner side walls of the device main body 1 for quick assembly. The position of the longitudinal hole of the positioning hole 7 on both sides of the top plate 5 is aligned with the limiting pin 41. At this time, the limiting pin 41 is retracted into the reset groove 43, and the head of the limiting pin 41 can slide along the longitudinal hole of the positioning hole 7. When the head of the limiting pin 41 slides to the position of the transverse hole of the positioning hole 7, it can be extended into the transverse hole of the positioning hole 7, thereby locking the top plate 5 and the connecting rod 2, completing the installation of the drainage device, ensuring the stability of the top plate 5 and the connecting rod 2 when they are connected, and saving the alignment time and improving the installation efficiency; when cleaning, by pressing the pressing plate 44, the pressing plate 44 drives the transmission block 45 and the conical protrusion 46 to move into the transverse hole of the positioning hole 7 and abut against the head of the limiting pin 41, the limiting pin 41 is retracted into the reset groove 43, and the head of the limiting pin 41 is located in the longitudinal hole of the positioning hole 7, thereby releasing the locking and fixing of the top plate 5, facilitating the lifting of the top plate 5, then removing the bolts 33, separating and disassembling the collecting frame 31 and the top plate 5, and cleaning the collecting frame 31.

[0039] Finally, it should be pointed out that: the above only describes the preferred embodiments of the present application and does not limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A drainage device for highway tunnel construction, characterized in that The utility model relates to a kind of highway tunnel construction drainage devices, including: Device body (1); Connecting rod (2) is spaced apart with multiple along the length direction of device body (1), two ends are connected with the two inner side walls of device body (1) respectively, and locking mechanism is arranged in inner side; Top plate (5) is arranged between two adjacent connecting rods (2), and is detachably connected with the connecting rod (2) by locking mechanism; Screening mechanism (3) is detachably connected at the bottom of top plate (5) and keeps spacing with top plate (5).

2. The highway tunnel construction drainage device of claim 1, wherein: The screening mechanism (3) includes a collection frame (31) and a connecting block (34), the collection frame (31) has a matching protrusion (32) symmetrically arranged on the top of both sides, the connecting block (34) is fixedly connected to the bottom of both sides of the top plate (5), a slot is formed in the bottom, the matching protrusion (32) can be inserted into the slot, and the matching protrusion (32) and the connecting block are fixed together through a connecting piece, so that the screening mechanism (3) and the top plate (5) are detachably connected together.

3. The highway tunnel construction drainage device of claim 2, wherein: The connecting piece includes a bolt (33), a screw hole is formed in the outer side of the connecting block (34) facing inwards, and a corresponding screw hole or through hole is also matched and formed in the matching protrusion (32), the bolt (33) can be inserted from the outer side of the connecting block (34) and pass through the matching protrusion (32), so that the matching protrusion (32) and the connecting block (34) are connected to each other.

4. The highway tunnel construction drainage device of claim 1, wherein: The top plate (5) has a positioning hole (7) formed in the outer side facing inwards, the positioning hole (7) is an L-shaped hole composed of a horizontal hole and a vertical hole, the lower end of the vertical hole extends outward from the bottom of the top plate (5), and the inner top communicates with the horizontal hole; The locking mechanism (4) includes a limiting pin (41) and a limiting spring (42), the connecting rod (2) has a reset slot (43) formed inwards, the inner end of the limiting pin (41) is connected with the limiting spring (42) and is slidably installed in the reset slot (43), and can be extended into the horizontal hole under the elastic force of the limiting spring (42), so that the top plate (5) and the connecting rod (2) form detachable connection, and the top plate (5) is correspondingly provided with a ejection mechanism for ejecting the limiting pin (41) from the horizontal hole to the vertical hole.

5. The highway tunnel construction drainage device of claim 4, wherein: The ejection mechanism comprises a pressing plate (44), a reset spring, a push rod and a transmission block (45), the top surface of the top plate (5) is provided with a vertically arranged column slot, the pressing plate (44) is slidably arranged in the column slot, the bottom is fixedly connected with the transmission block (45) through the push rod, the push rod is externally sleeved with the reset spring, and the bottom of the reset spring is abutted with the bottom of the column slot; when the pressing plate (44) pushes the transmission block (45) to slide downward, the limiting pin (41) can be matched to be ejected from the horizontally arranged hole to the vertically arranged hole.

6. The highway tunnel construction drainage device according to claim 5, characterized in that: The top of the transmission block (45) is provided with a conical protrusion (46).

7. The highway tunnel construction drainage device according to claim 6, characterized in that: The head of the limiting pin (41) is conical or hemispherical with the center of the circle outwardly protruding.

8. The highway tunnel construction drainage device according to claim 1, characterized in that: The top plate (5) is provided with a plurality of infiltration holes (6) penetrating through, the lower side of the infiltration hole (6) is provided with a baffle (9), one side of the baffle (9) is connected with a rotary connecting seat (10) through a torsion spring, and the rotary connecting seat (10) is connected with the top plate (5).

Citation Information

Patent Citations

  • Tunnel drainage structure

    CN218293656U