Streamlined noise-reducing drainage expansion device

The streamlined noise reduction and drainage expansion device solves the problems of water ingress, easy deformation, and high noise in tunnel cross-ditch covers, achieving a safe and reliable expansion function and improving the driving comfort and safety of the tunnel.

CN115467403BActive Publication Date: 2025-11-07JIANGSU PINGSHAN TRANSPORTATION FACILITIES CO LTD
View PDF 3 Cites 0 Cited by

Patent Information

Application Number
CN202211124151.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Priority Date
2022-08-18
Filing Date
2022-09-15
Publication Date
2025-11-07
Estimated Expiration
2042-09-15

AI Technical Summary

Technical Problem

Traditional tunnel cross-ditch cover designs suffer from problems such as water entering the tunnel interior, easy deformation, short service life, loose connections, and high noise levels, affecting driving comfort and safety.

Method used

The streamlined noise-reducing and drainage expansion device includes components such as a support box, support beam, streamlined steel plate and central longitudinal beam, combined with elastic rubber elements and triangular braces, to form a structurally safe and reliable expansion system that reduces noise and improves drainage performance.

Benefits of technology

It reduces vehicle impact vibration and noise, extends the service life of the device, reduces operation and maintenance costs, protects the road structure, and improves the safety and durability of the tunnel.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN115467403B_ABST
    Figure CN115467403B_ABST
Patent Text Reader

Abstract

The application discloses a streamlined noise reduction drainage telescopic device, which comprises two rows of corresponding supporting boxes, supporting cross beams are correspondingly arranged between the two corresponding supporting boxes, streamlined steel plates are arranged on the upper end faces of the two supporting boxes, the installation directions of the two streamlined steel plates are perpendicular to the installation directions of the supporting cross beams, upward protruding streamlined F steels are arranged on the inner side ends of the two streamlined steel plates, and a plurality of streamlined middle longitudinal beams with uniform intervals and consistent streamlined contours are arranged between the two streamlined F steels. The streamlined F steels are arranged on the two sides, and the streamlined middle longitudinal beams are arranged at the middle positions, so that the impact vibration of the vehicle is reduced, and the noise is correspondingly reduced; the plurality of streamlined middle longitudinal beams are correspondingly welded and fixed with the supporting cross beams, and triangular braces are additionally arranged, so that the structure is safe and reliable.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of telescopic device, in particular to a streamlined noise reduction drainage telescopic device. BACKGROUND

[0002] In the prior art, the long and narrow opening on the traditional tunnel cross ditch cover plate follows the direction of water flow, and part of the water flow will flow into the tunnel, and when the rainfall is slightly large, most of the rainwater will enter the lowest part of the tunnel, and the waste water pumping station in the river cannot discharge in time, and there will be a few tens of meters of accumulated water section in the lowest part of the tunnel, which has great safety hazards.

[0003] Now a large part of the tunnel cross ditch drainage grating is designed as a straight line structure, although the materials are various, but the quality is uneven, the fixed installation method is various, but there are still some problems, such as easy deformation of the drainage grating, short service life, loose connection between the grating and the road structure, broken surrounding structure, poor effect of secondary maintenance and replacement, not easy to maintain, and large noise, which not only affects the comfort of driving, but also has great safety hazards.

[0004] Therefore, in order to solve the above technical problems, it is necessary to develop a segmented, safe structure, with support displacement function, firm installation, excellent drainage performance, streamlined noise reduction drainage telescopic device. SUMMARY

[0005] The present application aims at the deficiencies of the prior art, and provides a streamlined noise reduction drainage telescopic device.

[0006] A streamlined noise reduction drainage telescopic device, comprising two rows of corresponding supporting boxes, and corresponding supporting boxes are installed with supporting beams between the two sides, and the upper end face of the two supporting boxes is also installed with a streamlined steel plate, the installation direction of the two streamlined steel plates is perpendicular to the installation direction of the supporting beam, and the inner side of the two streamlined steel plates is also installed with an upwardly protruding streamlined F steel, and a plurality of evenly spaced and streamlined contour consistent streamlined middle longitudinal beams are installed between the two streamlined F steels; the streamlined middle longitudinal beam is fixed on the lower supporting beam, and the streamlined contour of the streamlined middle longitudinal beam and the streamlined F steel is also consistent, the streamlined middle longitudinal beam and the streamlined F steel are arranged in parallel, and the height is consistent.

[0007] Further, the lower end face of the streamlined steel plate is also installed with an anchor plate group; and the streamlined steel plate is also provided with air holes.

[0008] Further, the lower end face of the two streamlined steel plates is also provided with a downwardly protruding baffle, and the two baffles are correspondingly arranged inside the anchor plate group.

[0009] Further, connecting blocks are also installed between adjacent streamlined middle longitudinal beams, and connecting blocks are also installed between the streamlined F steels on both sides and the adjacent streamlined middle longitudinal beams, so as to connect the streamlined middle longitudinal beams and the streamlined F steels into an integral whole through the connecting blocks; and the gaps between the adjacent streamlined middle longitudinal beams and the gaps between the streamlined F steels and the adjacent streamlined middle longitudinal beams are set to be 40 mm.

[0010] Further, the streamlined middle longitudinal beams are welded and fixed on the supporting cross beams, and triangular braces are also installed between the streamlined middle longitudinal beams and the supporting cross beams for reinforcement.

[0011] Further, the supporting cross beams are supported and fixed in the supporting boxes through the elastic rubber elements.

[0012] Further, shear pins are also installed on both sides of each supporting box, and the maximum spacing between two adjacent supporting boxes in the same row is set to be 1.2 m.

[0013] Beneficial effects: the present application has the following beneficial effects:

[0014] (1) the device adopts streamlined F steels on both sides and streamlined middle longitudinal beams at the middle position, so as to reduce the impact vibration of the vehicle and reduce the noise correspondingly; a plurality of streamlined middle longitudinal beams are correspondingly welded and fixed on the supporting cross beams, and triangular braces are additionally installed, so that the structure is safe and reliable;

[0015] (2) the device is provided with supporting boxes on both sides, and the supporting cross beams are installed through the elastic rubber elements in the supporting boxes, so as to have the expansion function; in addition, no sealing water stop is arranged, so that the drainage is convenient and fast;

[0016] (3) the device is designed to be streamlined, so as to achieve the unique linear beauty in vision; the device improves the service life of the cross ditch drainage device and greatly reduces the operation and maintenance cost;

[0017] (4) the device can effectively disperse the load pressure to the pavement structure layer, better protect the drainage device and the pavement, prevent the pavement around the drainage device from cracking and damaging, effectively improve the durability of the drainage device in the tunnel, and protect the tunnel structure. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural diagram of the present application;

[0019] Figure 2 is a front view of the present application;

[0020] Figure 3 is Figure 1 a bottom view;

[0021] Figure 4This is a cross-sectional structural diagram of the support box of the present invention;

[0022] Figure 5 This is a cross-sectional structural diagram of the anchor bar assembly of the present invention. Detailed Implementation

[0023] The present invention will be further illustrated below with reference to the accompanying drawings and specific embodiments. These embodiments are implemented based on the technical solutions of the present invention, and it should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention.

[0024] like Figures 1 to 5 As shown, a streamlined noise reduction and drainage telescopic device includes two rows of corresponding support boxes 9, with support beams 7 installed between the corresponding support boxes 9 on both sides. Streamlined steel plates 3 are also installed on the upper surfaces of the support boxes 9 on both sides. The installation direction of the streamlined steel plates 3 on both sides is perpendicular to the installation direction of the support beams 7. Streamlined F-beams 1 that protrude upwards are also installed on the inner ends of the two streamlined steel plates 3. Several evenly spaced and streamlined longitudinal beams 2 with consistent streamlined contours are also installed between the streamlined F-beams 1 on both sides. The streamlined longitudinal beams 2 are fixed on the support beams 7 below, and the streamlined contours of the streamlined longitudinal beams 2 and the streamlined F-beams are also consistent. The streamlined longitudinal beams 2 and the streamlined F-beams 1 are arranged parallel to each other and have the same height.

[0025] An anchor plate assembly 5 is also installed on the lower end face of the streamlined steel plate 3; and air holes 11 are also provided on the streamlined steel plate 3; downward protruding baffles 4 are also provided on the lower end faces of the streamlined steel plates 3 on both sides, and the baffles 4 on both sides are respectively located inside the anchor plate assembly 5.

[0026] Connecting blocks 12 are installed between adjacent streamlined longitudinal beams 2, and connecting blocks 12 are also installed between the streamlined F-steels 1 on both sides and the adjacent streamlined longitudinal beams 2. The streamlined longitudinal beams 2 and the streamlined F-steels 1 are connected into one unit by the connecting blocks 12; and the gap between adjacent streamlined longitudinal beams 2 and between streamlined F-steels 1 and adjacent streamlined longitudinal beams 2 is set to 40mm.

[0027] The streamlined longitudinal beam 2 is welded and fixed to the supporting crossbeam 7, and a triangular brace 8 for reinforcement is also installed between the streamlined longitudinal beam 2 and the supporting crossbeam 7.

[0028] The support box 9 is also equipped with an elastic rubber element 6. The two ends of the support beam 7 are supported and fixed in the support box 9 by the elastic rubber element 6. Shear nails 10 are also installed on both sides of each support box 9, and the maximum distance between two adjacent support boxes 9 in the same row is set to 1.2m.

[0029] The streamlined noise reduction drainage expansion device of the device has the same working principle as the D160 modular bridge expansion device, a plurality of streamlined middle longitudinal beams correspond to one middle beam of the D160 modular bridge expansion device, the plurality of streamlined middle longitudinal beams are welded and fixed with the supporting cross beams one by one, the structure is safe and reliable, has a supporting box, and the supporting box has a rubber elastic element, has the expansion function, does not set a sealing water stop belt, and facilitates quick drainage.

[0030] The streamlined noise reduction drainage expansion device section is produced, which is convenient for production and transportation, the gap between the streamlined F steel and the streamlined middle longitudinal beam is set to 40 mm, and is welded and fixed by a connecting block, and no rubber water stop belt is arranged therebetween, the streamlined F steel and the streamlined steel plate are welded and fixed, the baffle is welded at the anchor plate position area of the streamlined steel plate, the streamlined steel plate is provided with a gas hole, the streamlined middle longitudinal beam is welded and fixed with the supporting cross beam one by one, the distance between the supporting cross beam and the supporting box is set to be not more than 1.2 meters, shear nails need to be welded on the side surface of the supporting box, the supporting box has an elastic rubber element, and the supporting box, the elastic rubber element and the supporting cross beam form a displacement supporting system of the streamlined noise reduction drainage expansion device.

[0031] The streamlined steel plate, the baffle and the anchor plate in the anchor reinforcement group are welded, the anchor plates are arranged at an interval of 200 mm, and the anchor plates need to be welded with the embedded steel bars or the planted steel bars in the transverse groove area, and the supporting cross beam and the streamlined middle longitudinal beam are reinforced by a triangular support.

[0032] And the specific construction steps of the device are as follows: after the tunnel construction is completed on the upper layer of the asphalt pavement, the setting-out cutting, grooving, cleaning, the streamlined noise reduction drainage expansion device is placed in the transverse groove, fixed and welded, the formwork is installed, the steel bars are planted and the steel mesh is installed, the concrete is poured, the concrete is cured, the traffic is cleaned and opened. If it is a maintenance and replacement project, the original drainage device needs to be removed, and the planted steel bars also need to be planted in the case of missing embedded steel bars, and the construction process is the same as installing the modular bridge expansion device.

[0033] The above specific embodiment is only one preferred embodiment of the present application, and is not used to limit the implementation and the scope of claims of the present application, and equivalent changes and modifications made according to the content of the patent protection scope of the present application should be included in the patent application scope of the present application.

Claims

1. A streamlined noise reducing drainage expansion joint, characterized by: The supporting box (9) is arranged in two rows, and corresponding supporting boxes (9) are arranged on both sides, and corresponding supporting boxes (9) are arranged on both sides. The upper end surface of the supporting box (9) is also provided with a streamlined steel plate (3), the installation direction of the streamlined steel plate (3) on both sides is perpendicular to the installation direction of the supporting beam (7), and the inner side end of the two streamlined steel plates (3) is also provided with an upwardly protruding streamlined F steel (1), and a plurality of streamlined center girders (2) with uniform spacing and consistent streamline profile are arranged between the two streamlined F steels (1). The streamlined center girder (2) is fixed on the lower supporting beam (7), and the streamlined center girder (2) and the streamlined F steel have the same streamline profile, the streamlined center girder (2) and the streamlined F steel (1) are arranged in parallel, and the heights are consistent. The lower end surface of the streamlined steel plate (3) is also provided with an anchor plate group (5), and the streamlined steel plate (3) is also provided with a gas hole (11); The lower end surface of the streamlined steel plate (3) on both sides is also provided with a downwardly protruding baffle (4), and the baffle (4) on both sides is arranged inside the anchor plate group (5); Connecting blocks (12) are arranged between adjacent streamlined center girders (2), and connecting blocks (12) are also arranged between the streamlined F steel (1) on both sides and the adjacent streamlined center girders (2), so that the streamlined center girders (2) and the streamlined F steel (1) are connected into one body through the connecting blocks (12); The gap between the adjacent streamlined center girders (2) and the streamlined F steel (1) and the adjacent streamlined center girders (2) is 40mm.

2. A streamlined noise reducing drainage expansion joint according to claim 1, characterized in that: The streamlined center girder (2) is welded and fixed on the supporting beam (7), and a triangular support (8) is arranged between the streamlined center girder (2) and the supporting beam (7) for reinforcement.

3. The streamlined noise reducing water drainage telescopic device according to claim 1, characterized in that: The supporting box (9) is also provided with an elastic rubber element (6) inside, and the both ends of the supporting beam (7) are supported and fixed in the supporting box (9) by the elastic rubber element (6).

4. The streamlined noise reducing drainage expansion joint of claim 1, wherein: Shear nails (10) are also arranged on both sides of each supporting box (9), and the maximum spacing between the two adjacent supporting boxes (9) in the same row is 1.2m.

Citation Information

Patent Citations

  • Bridge expansion and retraction device

    CN105696463A

  • Curve modulus type damping vibration attenuation multi-direction displacement expansion and contraction device and method

    CN106284063A

  • Streamline noise reduction and drainage telescopic device

    CN218091210U