Corrugated steel pipe culvert and culvert

Abstract

The utility model relates to a corrugated steel pipe culvert and a culvert. When an existing corrugated pipe is assembled, a produced culvert pipe is poor in sealing performance, a large number of fastening pieces such as bolts need to be used in the assembling process, and the installation efficiency is low. The arc-shaped corrugated plate comprises a first arc-shaped corrugated plate and a second arc-shaped corrugated plate, wherein the first arc-shaped corrugated plate and the second arc-shaped corrugated plate are butted up and down to form a tubular structure; the two transverse ends of the first arc-shaped corrugated plate are each provided with a first annular connecting piece arranged in the axial direction, the two transverse ends of the second arc-shaped corrugated plate are each provided with a second annular connecting piece arranged in the axial direction, and the second annular connecting pieces are fixed into the first annular connecting pieces through a plurality of fasteners. First axial connecting pieces and second axial connecting pieces which are arranged in the circumferential direction are arranged at the two axial ends of the first arc-shaped corrugated plates and the two axial ends of the second arc-shaped corrugated plates correspondingly, and the second axial connecting pieces of the adjacent first arc-shaped corrugated plates and the second axial connecting pieces of the adjacent second arc-shaped corrugated plates are arranged in the first axial connecting pieces. The utility model has the advantages of strong sealing performance and high installation efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to corrugated steel technical field, concretely relates to a corrugated steel pipe culvert and culvert. BACKGROUND

[0002] The corrugated steel structure is being applied to various fields with its strong deformation resistance, and it not only has strong deformation resistance, but also can be prefabricated in the factory and assembled on site, so that it is convenient to transport, has many advantages such as light weight, short construction period and strong environmental adaptability.

[0003] When the corrugated pipe is used to make the culvert structure, it is necessary to ensure that the culvert has good sealing performance and bearing capacity, so as to ensure the safe and stable use of the culvert. When the existing corrugated pipe is assembled, a plurality of corrugated sheets are assembled to form a corrugated pipe, and a plurality of corrugated pipes are used to butt joint along the axial direction to form the entire culvert. The culvert produced by this assembly method has poor sealing performance, and a large number of fasteners such as bolts are needed during the assembly process, so the installation efficiency is low.

[0004] Therefore, there is an urgent need for a corrugated steel pipe culvert and culvert with strong sealing performance and high installation efficiency. SUMMARY

[0005] The utility model aims at providing a corrugated steel pipe culvert and culvert to at least solve the problems of insufficient sealing performance and low installation efficiency of the existing corrugated steel pipe culvert and culvert.

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

[0007] A corrugated steel pipe culvert comprises a first arc-shaped corrugated plate and a second arc-shaped corrugated plate, and the first arc-shaped corrugated plate and the second arc-shaped corrugated plate are butted together to form a tubular structure.

[0008] The first arc-shaped corrugated plate is provided with a first annular connecting piece arranged along the axial direction at each of the two ends in the transverse direction, the second arc-shaped corrugated plate is provided with a second annular connecting piece arranged along the axial direction at each of the two ends in the transverse direction, and the second annular connecting piece is fixed in the first annular connecting piece by a plurality of fasteners, so as to fix the first arc-shaped corrugated plate and the second arc-shaped corrugated plate.

[0009] The first arc-shaped corrugated plate and the second arc-shaped corrugated plate are respectively provided with a first axial connecting piece and a second axial connecting piece arranged along the circumferential direction at each of the two ends in the axial direction, and the second axial connecting piece of the adjacent first arc-shaped corrugated plate and the adjacent second arc-shaped corrugated plate is arranged in the first axial connecting piece, so as to fix the adjacent pipe culvert.

[0010] Further, the first annular connecting piece is in a C-shaped structure with an opening downward, comprising a first bottom plate and first side plates arranged on both sides of the first bottom plate and extending downward, and the first bottom plate and the first side plates on both sides form a containing groove.

[0011] Further, the second annular connecting piece is in a C-shaped structure with an opening downward, comprising a second bottom plate and second side plates arranged on both sides of the second bottom plate and extending downward.

[0012] Further, an inverted U-shaped cavity is formed between the first annular connecting piece and the second annular connecting piece, and a sealing piece is arranged in the inverted U-shaped cavity.

[0013] Further, the fastener comprises a bolt and a nut in threaded connection, the bolt penetrates the first annular connecting piece, the sealing piece and the second annular connecting piece in sequence, and the nut is arranged on the bolt and below the second annular connecting piece.

[0014] Further, the first axial connecting piece is in a U-shaped structure in cross section, comprising a third bottom plate and first and second wing plates arranged on both sides of the third bottom plate and extending upward respectively, and the third bottom plate, the first wing plate and the second wing plate form a mounting groove.

[0015] Further, the first wing plate is arranged close to the first or second arc-shaped corrugated plate, the second wing plate is arranged away from the first or second arc-shaped corrugated plate, and the first wing plate is higher than the second wing plate.

[0016] Further, sealing pads are arranged on the inner walls of the mounting groove respectively.

[0017] Further, the second axial connecting piece is in a cuboid or square structure in cross section, and is arranged in the mounting groove and forms a lock catch connection with the first axial connecting piece.

[0018] A corrugated steel culvert comprises the corrugated steel pipe culvert.

[0019] Compared with the prior art, the corrugated steel pipe culvert has the following beneficial effects:

[0020] 1. The corrugated steel pipe culvert and the culvert are provided with first and second annular connecting pieces, the first and second annular connecting pieces are fixed from top to bottom by a fastener, the fixing of the entire corrugated steel pipe culvert is more reliable, the sealing performance is improved, the inverted U-shaped cavity is arranged between the first and second annular connecting pieces, the sealing connection area between the first and second annular connecting pieces is increased by the inverted U-shaped cavity, and the sealing performance between the first and second arc-shaped corrugated plates is further improved.

[0021] 2、The utility model discloses a first axial connecting piece and second axial connecting piece are provided with, and the first axial connecting piece opening end forms the height difference, and the adjacent two pipe culverts can be quickly and accurately aligned, and the inner wall of mounting groove is equipped with the sealing washer, with better sealing between the first axial connecting piece and second axial connecting piece, and the first axial connecting piece and second also strengthen the sealing of connecting part, simultaneously, the reverse buckling structure also has the elastic deformation ability, and the deformation caused by adverse factors such as foundation settlement can be adapted to, thereby ensuring the overall stability of pipe culvert. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings of embodiments can also be obtained according to these drawings without creating creative labor.

[0023] Figure 1 It is the structural schematic diagram of example 1;

[0024] Figure 2 It is the top view of example 1;

[0025] Figure 3 It is the axial cross section of the first arc-shaped corrugated plate of example 1;

[0026] Figure 4 It is Figure 2 The enlarged schematic diagram in A of Fig. 1;

[0027] Figure 5 It is the transverse cross section of example 1;

[0028] Figure 6 It is Figure 5 The enlarged schematic diagram in B of Fig. 1;

[0029] Identified as in the figure:

[0030] 1-the first arc-shaped corrugated plate, 2-the second arc-shaped corrugated plate,

[0031] 3-the first axial connecting piece, 31-mounting groove, 32-third bottom plate, 33-first wing plate, 34-second wing plate,

[0032] 4-the second axial connecting piece,

[0033] 5-the first ring connecting piece, 51-receiving groove, 52-sealing element, 53-first bottom plate, 54-first side plate,

[0034] 6-Second circumferential connector, 61-Second base plate, 62-Second side plate, 63-U-shaped cavity,

[0035] 7-Fasteners, 71-Bolts, 72-Nuts. Detailed Implementation

[0036] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. The drawings illustrate preferred embodiments of this utility model. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this utility model.

[0037] In the description of this utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0038] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection or setting, a detachable connection or setting, or an integral connection or setting. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0039] Furthermore, in the description of this utility model, the terms "first," "second," etc., are used only for distinguishing descriptions and should not be construed as indicating or implying relative importance. Of course, such terms can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in a sequence other than those illustrated or described herein.

[0040] Example:

[0041] like Figure 1 As shown, this embodiment provides a corrugated steel pipe culvert, including a first arc-shaped corrugated plate 1 and a second arc-shaped corrugated plate 2. The central angles of the first arc-shaped corrugated plate 1 and the second arc-shaped corrugated plate 2 are both 180°. The first arc-shaped corrugated plate 1 and the second arc-shaped corrugated plate 2 are joined together to form a complete tubular structure.

[0042] Specifically, such as Figure 5As shown, the first arc-shaped corrugated plate 1 is welded and fixed at both ends of the lateral direction with a first circumferential connector 5 arranged along the axial direction, and the second arc-shaped corrugated plate 2 is welded and fixed at both ends of the lateral direction with a second circumferential connector 6 arranged along the axial direction. The second circumferential connector 6 is fixed in the first circumferential connector 5, thereby fixing the first arc-shaped corrugated plate 1 and the second arc-shaped corrugated plate 2.

[0043] Among them, such as Figure 6 As shown, the first circumferential connector 5 has a C-shaped structure with the opening facing downward. In this embodiment, the first circumferential connector 5 is a C-shaped steel. The first circumferential connector 5 includes a first base plate 53 and first side plates 54 integrally fixed to both sides of the first base plate 53 and extending downward. The first base plate 53 and the first side plates 54 on both sides form a receiving groove 51.

[0044] The second circumferential connector 6 has a C-shaped structure with the opening facing downwards. In this embodiment, the second circumferential connector 6 is a C-shaped steel. The second circumferential connector 6 includes a second base plate 61 and a second side plate 62 integrally fixed to both sides of the second base plate 61 and extending downwards.

[0045] An inverted U-shaped cavity 63 is formed between the first circumferential connector 5 and the second circumferential connector 6. A sealing element 52 is provided in the inverted U-shaped cavity 63. The sealing element 52 is arranged in an inverted U-shape along the inverted U-shaped cavity 63. The bottom end of the second side plate 62 of the second circumferential connector 6 is aligned with the bottom ends of both sides of the sealing element 52. The inverted U-shaped cavity 63 increases the sealing connection area between the first circumferential connector 5 and the second circumferential connector 6, further improving the sealing performance between the first arc-shaped corrugated plate 1 and the second arc-shaped corrugated plate 2.

[0046] When the first arc-shaped corrugated plate 1 and the second arc-shaped corrugated plate 2 are installed together, the sealing element 52 is first installed at the bottom of the receiving groove 51 of the first circumferential connector 5, and then the second circumferential connector 6 is installed from bottom to top into the receiving groove 51 of the first circumferential connector 5 until it is tightly attached to the sealing element 52. This ensures that the first arc-shaped corrugated plate 1 and the second arc-shaped corrugated plate 2 are installed together accurately and reliably, thereby more effectively preventing water seepage problems caused by loosening or corrosion, and ensuring that the culvert maintains excellent seepage prevention performance during long-term use.

[0047] The first circumferential connector 5, the second circumferential connector 6, and the seal 52 are all provided with a plurality of connecting holes arranged at equal intervals along the axial direction. The connecting holes are located at the troughs on the outer side of the first arc-shaped corrugated plate 1 and the second arc-shaped corrugated plate 2. The connecting holes on the first circumferential connector 5, the second circumferential connector 6, and the seal 52 are coaxially arranged.

[0048] A fastener 7 is arranged through the connecting holes on the first ring-shaped connecting piece 5, the sealing piece 52 and the second ring-shaped connecting piece 6, and the fastener 7 comprises a bolt 71 and a nut 72 which are screwed together, the bolt 71 is arranged through the first ring-shaped connecting piece 5, the sealing piece 52 and the second ring-shaped connecting piece 6 in sequence, and the nut 72 is arranged on the bolt 71 and below the second ring-shaped connecting piece 6.

[0049] When the first arc-shaped corrugated plate 1 and the second arc-shaped corrugated plate 2 are installed in abutment, the connecting holes on the first ring-shaped connecting piece 5, the connecting holes on the sealing piece 52 and the connecting holes on the second ring-shaped connecting piece 6 are coaxially aligned, the bolt 71 is sequentially arranged through the three connecting holes from top to bottom, and then the nut 72 is used to lock and fix from below the bolt 71, so that the fixing of the entire corrugated steel pipe culvert is more reliable, thereby improving the sealing performance.

[0050] As shown in Figure 2 and Figure 3 , the first arc-shaped corrugated plate 1 and the second arc-shaped corrugated plate 2 are respectively welded and fixed with the first axial connecting piece 3 and the second axial connecting piece 4 which are arranged in the circumferential direction at the two axial ends, and the second axial connecting piece 4 of the adjacent first arc-shaped corrugated plate 1 and the adjacent second arc-shaped corrugated plate 2 is arranged in the first axial connecting piece 3, thereby fixing the adjacent pipe culvert.

[0051] As shown in Figure 4 , the first axial connecting piece 3 has a U-shaped structure in cross section, in the embodiment, the first axial connecting piece 3 is a U-shaped steel and has an arc shape, the first axial connecting pieces 3 on the first arc-shaped corrugated plate 1 and the second arc-shaped corrugated plate 2 form a ring, and the first axial connecting piece 3 comprises a third bottom plate 32 and first and second wing plates 33 and 34 which are integrally fixed on both sides of the third bottom plate 32 and extend upward, and the third bottom plate 32, the first wing plate 33 and the second wing plate 34 form a mounting groove 31.

[0052] The first wing plate 33 is arranged close to the first arc-shaped corrugated plate 1 or the second arc-shaped corrugated plate 2, the second wing plate 34 is arranged away from the first arc-shaped corrugated plate 1 or the second arc-shaped corrugated plate 2, and the first wing plate 33 is higher than the second wing plate 34, so that a height difference is formed between the first wing plate 33 and the second wing plate 34, thereby facilitating the installation of the second axial connecting piece 4 on the adjacent pipe culvert in the mounting groove 31 of the first axial connecting piece 3, and the height difference between the first wing plate 33 and the second wing plate 34 can also accurately align the adjacent two pipe culverts.

[0053] The inner wall of the mounting groove 31 is respectively attached with a sealing gasket, so that the first axial connecting piece 3 and the second axial connecting piece 4 have better sealing performance when the second axial connecting piece 4 is installed in the mounting groove 31.

[0054] The second axial connecting piece 4 is in the shape of a cuboid or a square, in this embodiment, the second axial connecting piece 4 is a square steel, and the cross section is in the shape of a square, and the second axial connecting piece 4 is in the shape of an arc, the second axial connecting piece 4 on the first arc-shaped corrugated plate 1 and the second arc-shaped corrugated plate 2 forms a ring, the second axial connecting piece 4 is arranged in the mounting groove 31, and the second axial connecting piece 4 and the first axial connecting piece 3 form a lock connection, and there is no gap between the second axial connecting piece 4 and the first axial connecting piece 3, this connection mode reduces the number of bolts 71 and nuts 72, improves the installation efficiency, and also enhances the sealing performance and stability of the connection part.

[0055] The first axial connecting piece 3 and the second axial connecting piece 4 are both in the shape of a profile steel, thereby improving the strength, stability and durability of the first axial connecting piece 3 and the second axial connecting piece 4, the U-shaped steel of the first axial connecting piece 3 and the square steel of the second axial connecting piece 4 form a reverse buckling groove steel structure, by using the geometric characteristics of the profile steel, the two ends are tightly locked by the reverse buckling mode to form a reliable waterproof barrier, at the same time, the reverse buckling mode also has the ability of elastic deformation, which can adapt to the deformation caused by adverse factors such as foundation settlement, and ensure the overall stability of the pipe culvert.

[0056] The installation process of this embodiment is as follows:

[0057] When the first arc-shaped corrugated plate 1 and the second arc-shaped corrugated plate 2 are butt-jointed and installed, the sealing piece 52 is installed in the accommodating groove 51 of the first ring-shaped connecting piece 5, then the second ring-shaped connecting piece 6 is installed in the accommodating groove 51 and abuts below the sealing piece 52, then the fastener 7 is used to fixedly connect the first ring-shaped connecting piece 5 and the second ring-shaped connecting piece 6 together, so as to fix the first arc-shaped corrugated plate 1 and the second arc-shaped corrugated plate 2;

[0058] When two adjacent pipe culverts are connected in the axial direction, the second axial connecting piece 4 at one end of one pipe culvert is installed in the mounting groove 31 of the first axial connecting piece 3 of the adjacent pipe culvert, and the second axial connecting piece 4 and the first axial connecting piece 3 form a lock connection, so as to fix the two adjacent pipe culverts.

[0059] Embodiment 2:

[0060] This embodiment provides a corrugated steel culvert, which comprises the corrugated steel pipe culvert described above, and the entire culvert has good sealing performance, and the installation efficiency of the culvert is also high.

[0061] The culvert made of the corrugated steel pipe culvert described above has a water permeability which is reduced by more than 50% compared with traditional materials, and the construction period can be shortened by about 30%, which not only greatly reduces the engineering cost, but also improves the overall quality and reliability of the culvert, and the culvert has good environmental protection performance, the material can be recycled, reducing the generation of construction waste, and the excellent anti-seepage performance also helps to protect underground water resources from pollution.

[0062] The above describes the present application by using specific examples, which is only used to help understand the present application and does not limit the present application. For those skilled in the art to which the present application belongs, according to the idea of the present application, some simple deductions, deformations or substitutions can be made.

Claims

1. A corrugated steel pipe culvert characterized by: The corrugated steel pipe culvert comprises a first arc-shaped corrugated plate (1) and a second arc-shaped corrugated plate (2), and the first arc-shaped corrugated plate (1) and the second arc-shaped corrugated plate (2) are vertically connected to form a tubular structure. The first arc-shaped corrugated plate (1) is provided with a first annular connecting piece (5) arranged in the axial direction at each lateral end, the second arc-shaped corrugated plate (2) is provided with a second annular connecting piece (6) arranged in the axial direction at each lateral end, and the second annular connecting piece (6) is fixed in the first annular connecting piece (5) through a plurality of fasteners (7) to fix the first arc-shaped corrugated plate (1) and the second arc-shaped corrugated plate (2). The first arc-shaped corrugated plate (1) and the second arc-shaped corrugated plate (2) are respectively provided with a first axial connecting piece (3) and a second axial connecting piece (4) arranged in the circumferential direction at each axial end, and the second axial connecting piece (4) of the adjacent first arc-shaped corrugated plate (1) and the second arc-shaped corrugated plate (2) is arranged in the first axial connecting piece (3) to fix the adjacent pipe culvert.

2. The corrugated steel pipe culvert according to claim 1, wherein: The first annular connecting piece (5) is in the form of a C-shaped structure with an opening downward, comprising a first bottom plate (53) and a first side plate (54) arranged on both sides of the first bottom plate (53) and extending downward, and the first bottom plate (53) and the first side plates (54) on both sides form a containing groove (51).

3. The corrugated steel pipe culvert according to claim 1, wherein: The second annular connecting piece (6) is in the form of a C-shaped structure with an opening downward, comprising a second bottom plate (61) and a second side plate (62) arranged on both sides of the second bottom plate (61) and extending downward.

4. The corrugated steel pipe culvert according to claim 1, wherein: A reverse U-shaped cavity (63) is formed between the first annular connecting piece (5) and the second annular connecting piece (6), and a sealing element (52) is arranged in the reverse U-shaped cavity (63).

5. The corrugated steel pipe culvert according to claim 4, wherein: The fastener (7) comprises a threaded bolt (71) and a nut (72), the threaded bolt (71) penetrates the first annular connecting piece (5), the sealing element (52) and the second annular connecting piece (6) in sequence, and the nut (72) is arranged on the threaded bolt (71) and located below the second annular connecting piece (6).

6. The corrugated steel pipe culvert according to claim 1, wherein: The first axial connecting piece (3) is in the form of a U-shaped structure in cross section, comprising a third bottom plate (32) and a first wing plate (33) and a second wing plate (34) arranged on both sides of the third bottom plate (32) and extending upward, respectively, and the third bottom plate (32), the first wing plate (33) and the second wing plate (34) form a mounting groove (31).

7. The corrugated steel pipe culvert according to claim 6, wherein: The first wing plate (33) is arranged close to the first arc-shaped corrugated plate (1) or the second arc-shaped corrugated plate (2), the second wing plate (34) is arranged away from the first arc-shaped corrugated plate (1) or the second arc-shaped corrugated plate (2), and the first wing plate (33) is higher than the second wing plate (34).

8. The corrugated steel pipe culvert according to claim 6, characterized in that: A sealing gasket is arranged on the inner wall of the mounting groove (31).

9. The corrugated steel pipe culvert according to claim 6, characterized in that: The second axial connecting piece (4) has a cuboid or square structure in cross section, and is arranged in the mounting groove (31) to form a lock connection with the first axial connecting piece (3).

10. A corrugated steel culvert characterized by: The corrugated steel pipe culvert according to claim 9.

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