A scour-proof corrugated steel pipe

Abstract

The utility model provides an anti-scour corrugated steel pipe, which belongs to the field of corrugated steel technology, and includes a corrugated steel pipe body, a filling layer, a fixing plate, a protective inner lining plate and two sets of side sealing plates. The filling layer is filled in the lower inner side of the corrugated steel pipe body and is an arc-shaped structure; the fixing plate is installed on the filling layer and is fixedly connected to the inner wall of the corrugated steel pipe body; the protective inner lining plate is installed in the corrugated steel pipe body and is fixedly connected to the fixing plate; the side sealing plates are installed in the corrugated steel pipe and on both sides of the protective inner lining plate; the upper end of the side sealing plate is fixedly connected to the protective inner lining plate, and the lower end has a corrugated section that matches the inner wall of the corrugated steel pipe body. The anti-scour corrugated steel pipe provided by the utility model, with the help of the filling layer, the fixing plate and the side sealing plates, makes the protective inner lining plate installed firmly, securely and completely, and under the action of the protective inner lining plate, the corrugated steel pipe body has the characteristics of corrosion resistance and wear resistance, thereby increasing the service life of the corrugated steel pipe.

Description

Technical Field

[0001] The utility model belongs to the technical field of corrugated steel, and more specifically relates to an anti-scouring corrugated steel pipe. Background Art

[0002] Corrugated steel culvert is a new type of building material with the characteristics of compression and tensile resistance, light weight, high strength, good sealing performance, low cost, fast construction, etc. With the widespread application of corrugated steel culverts, it has been highly recognized by the engineering community. With the increasing number of application environments, it is necessary to adapt to more complex environments, especially in some mountainous areas with more mud and rocks, or there are chemical components with serious corrosion in the water flow, which requires the addition of protection and anti-scouring measures for corrugated steel pipes to increase their service life. Utility Model Content

[0003] The utility model aims to provide an anti-scouring corrugated steel pipe to solve the technical problem in the prior art that the corrugated steel pipe is susceptible to scouring, wear and corrosion, which affects its service life.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide an anti-scour corrugated steel pipe, comprising:

[0005] Corrugated steel pipe body;

[0006] A filling layer is filled in the lower side of the inner part of the corrugated steel pipe body; the filling layer is an arc-shaped structure, and is used to fill the trough of the corrugated steel pipe body;

[0007] A fixing plate, installed on the filling layer and fixedly connected to the inner wall of the corrugated steel pipe body;

[0008] A protective lining plate is installed inside the corrugated steel pipe body and is installed on the filling layer in coordination; the protective lining plate is fixedly connected to the fixing plate;

[0009] There are two sets of side sealing plates, both of which are installed inside the corrugated steel pipe and on both sides of the protective lining plate; the upper ends of the side sealing plates are fixedly connected to the protective lining plate, and the lower ends have a corrugated section that matches the inner wall of the corrugated steel pipe body.

[0010] In a possible implementation, there are multiple fixing plates, which are arranged in multiple groups; multiple groups of fixing plates are arranged axially at intervals along the corrugated steel pipe body, and multiple fixing plates in the same group are arranged circumferentially at intervals along the corrugated steel pipe body.

[0011] In a possible implementation, a first connecting hole is formed on the fixing plate, a mounting block is fixedly provided at the lower end of the fixing plate, and a threaded hole is provided on the mounting block and is coaxially aligned with the first connecting hole; a second connecting hole corresponding to the first connecting hole is provided on the protective lining plate, and the protective lining plate and the fixing plate are fixedly connected by bolts passing through the first connecting hole, the second connecting hole and being threadedly connected to the threaded hole.

[0012] In a possible implementation, the mounting block is a nut, and the fixing plate and the nut are pre-embedded and installed in the filling layer; the upper end surface of the fixing plate is flush with the upper end surface of the filling layer.

[0013] In a possible implementation, a plurality of grooves are provided on the filling layer, the fixing plate is installed in the grooves, and an upper end surface of the fixing plate is flush with an upper end surface of the filling layer.

[0014] In a possible implementation, there are multiple protective lining plates, which are arranged along the axial direction of the corrugated steel pipe body; one side of the protective lining plate is a flat plate section, and the other side is an upwardly warped pressure plate section, and the pressure plate section is used to cooperate with the flat plate section of the adjacent protective lining plate for installation up and down, and the pressure plate section, the flat plate section and the fixing plate are fixedly connected.

[0015] In a possible implementation, the side sealing plate includes a shielding portion and a connecting portion arranged in an L-shape, the shielding portion is used to be installed on the side of the filling layer, and the lower end is the corrugated section; the connecting portion is used to be installed on one side of the upper end of the protective lining plate, and is fixedly connected to the protective lining plate.

[0016] In a possible implementation, a central angle between the filling layer and the protective lining plate is 90°-120°.

[0017] In a possible implementation, the filling layer is made of cement mortar or foam material; and the protective lining plate is made of fiber material.

[0018] In a possible implementation, a hanging net or shear nails are provided in the filling layer.

[0019] The beneficial effect of the anti-scour corrugated steel pipe provided by the utility model is that compared with the prior art, when the anti-scour corrugated steel pipe of the utility model is used, the corrugated steel pipe body is first installed in the working position, and then the filling layer is filled on the inner lower side of the corrugated steel pipe body to provide a flat installation surface, and a fixing plate is installed on the filling layer; then the protective lining plate is installed on the filling layer to cover it, and the protective lining plate and the fixing plate are fixedly connected together; finally, two groups of side sealing plates are respectively installed on both sides of the filling layer and the protective lining plate, and the corrugated sections at the lower ends of the side sealing plates are installed in cooperation with the inner walls of the corrugated steel pipe body to form a blockage on both sides of the filling layer and the protective lining plate; with the help of the filling layer, the fixing plate and the side sealing plates, the protective lining plate is installed firmly, securely and completely, and under the action of the protective lining plate, the corrugated steel pipe body has the characteristics of corrosion resistance and wear resistance, thereby increasing the service life of the corrugated steel pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0021] Figure 1 A cross-sectional view of an anti-scour corrugated steel pipe provided in an embodiment of the utility model Figure 1 ;

[0022] Figure 2 for Figure 1 The enlarged view of point A in the middle;

[0023] Figure 3 A cross-sectional view of an anti-scour corrugated steel pipe provided in an embodiment of the utility model Figure 2 ;

[0024] Figure 4 for Figure 3 The enlarged view of point B in the middle;

[0025] Figure 5 A cross-sectional view of an anti-scour corrugated steel pipe provided in an embodiment of the utility model Figure 3 ;

[0026] Figure 6 A schematic structural diagram of a side sealing plate provided in an embodiment of the utility model.

[0027] Among them, the reference numerals in the figure are:

[0028] 1. Corrugated steel pipe body; 2. Filling layer; 3. Fixing plate; 31. First connecting hole; 32. Mounting block; 4. Protective lining plate; 41. Second connecting hole; 42. Bolt; 43. Flat plate section; 44. Pressure plate section; 5. Side sealing plate; 51. Wave section; 52. Shielding part; 53. Connecting part. DETAILED DESCRIPTION

[0029] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0030] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0031] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0032] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0033] See also Figures 1 to 6, the anti-scour corrugated steel pipe provided by the utility model is now described. An anti-scour corrugated steel pipe comprises a corrugated steel pipe body 1, a filling layer 2, a fixing plate 3, a protective inner lining plate 4 and a side sealing plate 5, wherein the filling layer 2 is filled in the lower inner side of the corrugated steel pipe body 1; the filling layer 2 is an arc-shaped structure, used to fill the trough of the corrugated steel pipe body 1; the fixing plate 3 is installed on the filling layer 2 and is fixedly connected to the inner wall of the corrugated steel pipe body 1; the protective inner lining plate 4 is installed in the inner part of the corrugated steel pipe body 1 and is installed on the filling layer 2 in coordination; the protective inner lining plate 4 is fixedly connected to the fixing plate 3; the number of the side sealing plates 5 is two groups, both of which are installed in the inner part of the corrugated steel pipe and installed on both sides of the protective inner lining plate 4; the upper end of the side sealing plate 5 is fixedly connected to the protective inner lining plate 4, and the lower end has a corrugated section 51 that matches the inner wall of the corrugated steel pipe body 1.

[0034] Compared with the prior art, the anti-scour corrugated steel pipe provided by the utility model is, when in use, firstly the corrugated steel pipe body 1 is installed in the working position, and then the filling layer 2 is filled on the inner lower side of the corrugated steel pipe body 1 to provide a flat installation surface, and the fixing plate 3 is installed on the filling layer 2; then the protective lining plate 4 is covered and installed on the filling layer 2, and the protective lining plate 4 is fixedly connected with the fixing plate 3; finally, two groups of side sealing plates 5 are respectively installed on both sides of the filling layer 2 and the protective lining plate 4, and the corrugated sections 51 at the lower ends of the side sealing plates 5 are installed in cooperation with the inner walls of the corrugated steel pipe body 1 to form a blockage on both sides of the filling layer 2 and the protective lining plate 4; with the help of the filling layer 2, the fixing plate 3 and the side sealing plates 5, the protective lining plate 4 is installed firmly, securely and completely, and under the action of the protective lining plate 4, the corrugated steel pipe body 1 has the characteristics of corrosion resistance and wear resistance, thereby improving the service life of the corrugated steel pipe.

[0035] The protective inner lining plate 4 is made of corrosion-resistant and wear-resistant material. The lower end of the side sealing plate 5 has a sealing strip arranged along the corrugation, so that the side sealing plate 5 seals the filling layer 2 and the protective inner lining plate 4 on both sides.

[0036] See also Figure 1 , Figure 3 and Figure 5 As a specific implementation of the anti-scour corrugated steel pipe provided by the utility model, the number of fixed plates 3 is multiple, and they are arranged in multiple groups; multiple groups of fixed plates 3 are arranged at intervals along the axial direction of the corrugated steel pipe body 1, and multiple fixed plates 3 in the same group are arranged at intervals along the circumferential direction of the corrugated steel pipe body 1; multiple groups of fixed plates 3 are arranged at intervals along the axial direction of the corrugated steel pipe body 1, and multiple fixed plates 3 in each group of fixed plates 3 are arranged at intervals along the circumferential direction, so that the positions where the protective lining plates 4 are subjected to force are arranged in an array, so that the protective lining plates 4 are firmly fixed and stably.

[0037] See also Figures 1 to 4As a specific embodiment of the anti-scour corrugated steel pipe provided by the utility model, a first connecting hole 31 is opened on the fixing plate 3, and a mounting block 32 is fixed at the lower end of the fixing plate 3, and a threaded hole coaxially aligned with the first connecting hole 31 is provided on the mounting block 32; a second connecting hole 41 corresponding to the first connecting hole 31 is provided on the protective lining plate 4, and the protective lining plate 4 and the fixing plate 3 are fixedly connected by bolts 42 that pass through the first connecting hole 31 and the second connecting hole 41 and are threadedly connected with the threaded hole; the mounting block 32 is fixed to the lower end surface of the fixing plate 3, and the threaded hole is coaxially aligned with the first connecting hole 31, and then after the protective lining plate 4 is installed on the filling layer 2, the second connecting hole 41 on the protective lining plate 4 is aligned with the first connecting hole 31 on the fixing plate 3, and then the bolt 42 is used to pass through the second connecting hole 41 and the first connecting hole 31 in turn and is threadedly connected with the threaded hole on the mounting block 32, thereby realizing the fixed connection between the protective lining plate 4 and the fixing plate 3 and the corrugated steel pipe body 1. Both sides of the fixing plate 3 are fixedly connected to two adjacent wave crests on the inner wall of the corrugated steel pipe body 1 .

[0038] See also Figure 2 and Figure 4 As a specific embodiment of the anti-scour corrugated steel pipe provided by the utility model, the mounting block 32 is a nut, and the fixing plate 3 and the nut are pre-embedded and installed in the filling layer 2; the upper end surface of the fixing plate 3 is flush with the upper end surface of the filling layer 2; the nut is prefabricated and welded to the lower end surface of the fixing plate 3 without the need to specially process the threaded hole; and when the fixing plate 3 is installed in the filling layer 2, the upper end surface of the fixing plate 3 and the upper end surface of the filling layer 2 are located on the same plane or arc surface, thereby making no gap between the protective lining plate 4 and the filling layer 2. When the fixing plate 3 and the nut are pre-embedded and installed on the filling layer 2, the fixing plate 3 is welded and fixed to the corrugated steel pipe body 1.

[0039] See also Figure 2 and Figure 4 As a specific embodiment of the anti-scour corrugated steel pipe provided by the utility model, a plurality of grooves are provided on the filling layer 2, and the fixing plate 3 is installed in the grooves, and the upper end surface of the fixing plate 3 is flush with the upper end surface of the filling layer 2; when the fixing plate 3 is installed on the filling layer 2, a groove can be provided in advance on the filling layer 2, and a receiving groove for receiving the mounting block 32 is provided on the bottom surface of the groove, and the fixing plate 3 is installed in the groove in cooperation, and the depth of the fixing plate 3 is equal to the depth of the groove, and the depth of the receiving groove is greater than the depth of the mounting block 32, so as to facilitate the installation of the bolt 42. In this way, the fixing plate 3 and the mounting block 32 are accurately and reliably installed in the groove.

[0040] See also Figures 3 to 5As a specific embodiment of the anti-scour corrugated steel pipe provided by the utility model, the number of protective lining plates 4 is multiple, and they are arranged along the axial direction of the corrugated steel pipe body 1; one side of the protective lining plate 4 is a flat plate section 43, and the other side is an upwardly warped pressure plate section 44, the pressure plate section 44 is used to cooperate with the flat plate section 43 of the adjacent protective lining plate 4 up and down, and the pressure plate section 44, the flat plate section 43 and the fixing plate 3 are fixedly connected; multiple protective lining plates 4 are arranged in sequence along the axial direction of the corrugated steel pipe body 1, and the adjacent There is an overlapped connection section between the two protective inner lining plates 4, so that the two adjacent protective inner lining plates 4 are firmly connected; specifically, one side of the protective inner lining plate 4 is a flat plate section 43, and the other side is a pressure plate section 44. When the two adjacent protective inner lining plates 4 are connected, the pressure plate section 44 on one protective inner lining plate 4 is pressed from top to bottom on the pressure plate section 44 of the other protective inner lining plate 4, and the flat plate section 43 and the pressure plate section 44 are parallel, and then the flat plate section 43, the pressure plate section 44 and the fixing plate 3 are fixedly connected together. Through holes are provided on the flat plate section 43 and the pressure plate, and the two through holes form a second connection hole 41, so that the bolt 42 passes through the two through holes and the first connection hole 31 and is threadedly connected with the threaded hole on the mounting block 32.

[0041] See also Figure 1 , Figure 2 and Figure 6 As a specific embodiment of the anti-scour corrugated steel pipe provided by the utility model, the side sealing plate 5 includes a shielding portion 52 and a connecting portion 53 arranged in an L shape. The shielding portion 52 is used to be installed on the side of the filling layer 2, and the lower end is a corrugated section 51; the connecting portion 53 is used to be installed on one side of the upper end of the protective inner lining plate 4, and is fixedly connected to the protective inner lining plate 4; wherein the shielding portion 52 and the connecting portion 53 are both long strip plate structures, the shielding portion 52 is docked and installed on both sides of the filling layer 2 and the protective inner lining plate 4, and abuts against the sides of the filling layer 2 and the protective inner lining plate 4, and the connecting portion 53 abuts against the upper end surface of the protective inner lining plate 4 from top to bottom, so that the side sealing plate 5 blocks both sides of the filling layer 2 and the protective inner lining plate 4. The corrugated section 51 is arranged at the lower end of the shielding portion 52, and is installed in coordination with the inner wall of the corrugated steel pipe body 1.

[0042] See also Figure 1 As a specific embodiment of the anti-scour corrugated steel pipe provided by the utility model, the central angle of the filling layer 2 and the protective lining plate 4 is 90°-120°; that is, the filling layer 2 and the protective lining plate 4 are arranged on the lower side of the inner part of the corrugated steel pipe body 1, so that the filling layer 2 and the protective lining plate 4 can effectively contact with the flowing water to achieve impact resistance and protection, and the overall structure of the filling layer 2 and the protective lining plate 4 is small, easy to install, and low cost.

[0043] Preferably, the filling layer 2 is made of cement mortar or foamed material; the protective lining plate 4 is made of fiber material; cement mortar or foamed material has good filling performance, and the protective lining plate 4 made of fiber material has anti-corrosion and wear-resistant properties.

[0044] As a specific implementation of the anti-scour corrugated steel pipe provided by the utility model, a hanging net or shear nails are arranged in the filling layer 2, so that the filling layer 2 and the inner wall of the corrugated steel pipe body 1 have good connection strength, so that it can work stably and reliably.

[0045] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An anti-scour corrugated steel pipe, characterized in that: include: Corrugated steel pipe body; A filling layer is filled in the lower side of the inner part of the corrugated steel pipe body; the filling layer is an arc-shaped structure, and is used to fill the trough of the corrugated steel pipe body; A fixing plate, installed on the filling layer and fixedly connected to the inner wall of the corrugated steel pipe body; A protective lining plate is installed inside the corrugated steel pipe body and is installed on the filling layer in coordination; the protective lining plate is fixedly connected to the fixing plate; There are two sets of side sealing plates, both of which are installed inside the corrugated steel pipe and on both sides of the protective lining plate; the upper ends of the side sealing plates are fixedly connected to the protective lining plate, and the lower ends have a corrugated section that matches the inner wall of the corrugated steel pipe body.

2. The anti-scour corrugated steel pipe according to claim 1, characterized in that: There are multiple fixing plates, which are arranged in multiple groups; multiple groups of fixing plates are arranged at intervals along the axial direction of the corrugated steel pipe body, and multiple fixing plates in the same group are arranged at intervals along the circumferential direction of the corrugated steel pipe body.

3. The anti-scour corrugated steel pipe according to claim 2, characterized in that: A first connecting hole is provided on the fixing plate, a mounting block is fixedly provided at the lower end of the fixing plate, and a threaded hole is provided on the mounting block and is coaxially aligned with the first connecting hole; a second connecting hole corresponding to the first connecting hole is provided on the protective lining plate, and the protective lining plate and the fixing plate are fixedly connected by bolts that pass through the first connecting hole, the second connecting hole and are threadedly connected to the threaded hole.

4. The anti-scour corrugated steel pipe according to claim 3, characterized in that: The mounting block is a nut, and the fixing plate and the nut are pre-embedded and installed in the filling layer; the upper end surface of the fixing plate is flush with the upper end surface of the filling layer.

5. The anti-scour corrugated steel pipe according to claim 3, characterized in that: A plurality of grooves are provided on the filling layer, the fixing plate is installed in the grooves, and the upper end surface of the fixing plate is flush with the upper end surface of the filling layer.

6. The anti-scour corrugated steel pipe according to claim 1, characterized in that: There are multiple protective lining plates, which are arranged along the axial direction of the corrugated steel pipe body; one side of the protective lining plate is a flat plate section, and the other side is an upwardly warped pressure plate section, and the pressure plate section is used to cooperate with the flat plate section of the adjacent protective lining plate for installation up and down, and the pressure plate section, the flat plate section and the fixing plate are fixedly connected.

7. The anti-scour corrugated steel pipe according to claim 1, characterized in that: The side sealing plate includes a shielding portion and a connecting portion arranged in an L shape, the shielding portion is used to be installed on the side of the filling layer, and the lower end is the corrugated section; the connecting portion is used to be installed on one side of the upper end of the protective lining plate and is fixedly connected to the protective lining plate.

8. The anti-scour corrugated steel pipe according to claim 1, characterized in that: The central angle between the filling layer and the protective lining plate is 90°-120°.

9. The anti-scour corrugated steel pipe according to claim 1, characterized in that: The filling layer is made of cement mortar or foam material; the protective lining plate is made of fiber material.

10. The anti-scour corrugated steel pipe according to claim 1, characterized in that: A hanging net or shear nails are arranged in the filling layer.

Images