Connecting device for L-shaped externally-wrapped corrugated steel web and bottom plate

Abstract

The utility model discloses an L-shaped externally-wrapped corrugated steel web and bottom plate connecting device which comprises a connecting assembly for installing a concrete bottom plate and a corrugated steel web piece. The connecting assembly comprises a connecting plate component distributed between the concrete bottom plate and the corrugated steel web piece, a fixing plate installed on the bottom surface of the connecting plate component and an opening steel plate connected with the side face of the concrete bottom plate, and the connecting plate component of an L-shaped structure comprises a horizontal part and a vertical part. A supporting piece is arranged on the inner surface of the connecting plate component and comprises a reinforcing plate connected with the connecting plate component and an inclined supporting plate installed on the reinforcing plate in an inclined mode. The inclined supporting plate and the limiting plate on the connecting plate component limit the position of the corrugated steel web piece, deflection of the corrugated steel web piece is avoided, the fixing plate and the opening steel plate are combined, and the connecting plate component and the fixing plate can firmly support the side position of the concrete bottom plate.

Description

Technical Field

[0001] The utility model belongs to the technical field of corrugated steel web combined bridge structure, and in particular relates to an L-shaped outer-wrapped corrugated steel web and bottom plate connecting device. Background Art

[0002] The corrugated steel web composite bridge is a bridge structure. The corrugated steel web composite beam bridge structure is composed of corrugated steel webs on both sides and concrete top and bottom plates. The concrete top and bottom plates are connected to the plates on the upper and lower sides of the corrugated steel webs to strengthen and protect them. The connection methods of the corrugated steel webs and the concrete bottom plates are generally welding, bolting and riveting.

[0003] Among the above-mentioned connection methods of the corrugated steel web and the concrete base plate, the welding connection method requires the use of a large amount of welding materials and heat; the riveting connection method has a complicated process and requires the use of special equipment; in addition, the bolt connection not only requires the pre-embedding of a large number of bolt holes, but also requires time to adjust the position of the corrugated steel web and the concrete base plate to make the bolt connection accurate, which is relatively cumbersome; the connection and assembly method of the corrugated steel web and the concrete base plate is relatively complicated. When the corrugated steel web is installed, there is a problem of no design to limit the position of the corrugated steel web and the concrete base plate for easy assembly. For this reason, the present application proposes an L-type outsourced corrugated steel web and base plate connection device. Utility Model Content

[0004] The utility model aims to provide an L-shaped outer corrugated steel web and bottom plate connecting device to solve the problem of the design without limiting the position of the corrugated steel web and the concrete bottom plate for easy assembly proposed in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an L-shaped outer-wrapped corrugated steel web and base plate connecting device, comprising a connecting assembly for installing a concrete base plate and a corrugated steel web member, the connecting assembly comprising a connecting plate member distributed between the concrete base plate and the corrugated steel web member, a fixing plate installed on the bottom surface of the connecting plate member, and an open steel plate connected to the side of the concrete base plate, the connecting plate member of the "L"-shaped structure comprises a horizontal portion and a vertical portion, a supporting member is provided on the inner surface of the connecting plate member, the supporting member comprises a reinforcing plate connected to the connecting plate member, a diagonal brace plate obliquely installed on the reinforcing plate, fixing bolts and a limiting plate are provided on the surface of the horizontal portion, a fixing beam column is provided on the surface of the open steel plate facing the concrete base plate, reinforcing steel bars penetrate the fixing beam column, a stabilizing plate is provided at the center position of the fixing plate facing the surface of the open steel plate, support blocks symmetrically distributed on both sides of the stabilizing plate and a reinforcing seat connected to the support block, and a limiting protrusion is provided at the center position of the stabilizing plate.

[0006] Preferably, the reinforcing plate is a three-dimensional right-angled trapezoidal structure, the right-angled side of the reinforcing plate is consistent with the inner surface of the connecting plate component, and the oblique side of the reinforcing plate is consistent with the inclined diagonal support plate.

[0007] Preferably, the corrugated steel web member is provided with a trapezoidal groove matched with the limiting plate.

[0008] Preferably, a trapezoidal installation groove is formed between the open steel plate and the side surface of the concrete bottom plate, and the fixed beam column of the isosceles trapezoidal three-dimensional structure is adapted to the installation groove.

[0009] Preferably, a positioning groove cooperating with the limiting protrusion is provided on the surface of the open steel plate at the center position away from the concrete bottom plate.

[0010] Preferably, the stabilizing plate is a "U"-shaped structure, and reinforcing ribs penetrate the supporting block.

[0011] Preferably, the reinforcement seat is a three-dimensional right-angled trapezoidal structure, and a three-dimensional bolt assembly groove in the shape of a right triangle is provided on the surface of the reinforcement seat away from the support block.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] In the utility model, the diagonal support plate and the limiting plate on the connecting plate component limit the position of the corrugated steel web member to avoid the corrugated steel web member from being deflected. The fixed plate and the open steel plate are combined. The connecting plate component and the fixed plate can achieve firm support for the side position of the concrete bottom plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 For the utility model Figure 1 A schematic diagram of the enlarged structure of the middle part A;

[0016] Figure 3 It is a schematic diagram of the top view of the connecting plate component of the utility model;

[0017] Figure 4 It is a schematic diagram of the top view of the fixing plate of the utility model;

[0018] Figure 5 It is a cross-sectional structural schematic diagram of the support block of the utility model;

[0019] In the figure: 1. concrete base plate; 2. corrugated steel web member; 3. connecting plate member; 4. fixing plate; 5. opening steel plate; 31. reinforcing plate; 32. diagonal brace plate; 33. fixing bolts; 34. limiting plate; 41. stabilizing plate; 42. supporting block; 43. reinforcing seat; 51. fixing beam column; 411. limiting protrusion; 421. reinforcing rib; 511. reinforcing steel bar. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example

[0022] See also Figures 1 to 5The utility model provides a technical solution: an L-shaped outer-wrapped corrugated steel web and bottom plate connecting device, comprising a connecting assembly for installing a concrete bottom plate 1 and a corrugated steel web member 2, the connecting assembly comprising a connecting plate member 3 distributed between the concrete bottom plate 1 and the corrugated steel web member 2, a fixing plate 4 installed on the bottom surface of the connecting plate member 3, and an open steel plate 5 connected to the side of the concrete bottom plate 1, the fixing plate 4 and the connecting plate member 3 are an integral structure, the connecting plate member 3 serves to connect the concrete bottom plate 1 and the corrugated steel web member 2, and the connecting plate member of the "L"-shaped structure 3 includes a horizontal portion and a vertical portion, and a support member is provided on the inner surface of the connecting plate member 3, and the support member includes a reinforcing plate 31 connected to the connecting plate member 3, and a diagonal brace plate 32 obliquely installed on the reinforcing plate 31. The reinforcing plate 31 is usually combined with the connecting plate member 3 and the diagonal brace plate 32 in a conventional manner. The corrugated steel web member 2 is installed on the connecting plate member 3, and the diagonal brace plate 32 supports the corrugated steel web member 2 so that the corrugated steel web member 2 is limited. A fixing bolt 33 and a limiting plate 34 are provided on the surface of the horizontal portion. The limiting plate 34 is combined with the reinforcing plate 31 in a conventional manner, and the corrugated steel web member 2 is installed When the corrugated steel web member 2 is inserted into the position between the limiting plate 34 and the diagonal bracing plate 32, the limiting plate 34 limits the corrugated steel web member 2 to prevent the corrugated steel web member 2 from being deflected, and the fixing bolts 33 further secure the connecting plate member 3 and the concrete bottom plate 1; a fixed beam column 51 is provided on the surface of the open steel plate 5 facing the concrete bottom plate 1, the open steel plate 5 and the concrete bottom plate 1 are combined by a conventional method, and a reinforcing steel bar 511 is passed through the fixed beam column 51, the fixed beam column 51 and the reinforcing steel bar 511 strengthen the structural stability of the open steel plate 5, and the fixed beam column 51 is prefabricated with reinforcing steel bars. The steel bar 511 avoids the difficulty of drilling holes and threading steel bars in the open steel plate 5. A stabilizing plate 41, support blocks 42 symmetrically distributed on both sides of the stabilizing plate 41 and a reinforcing seat 43 connected to the support blocks 42 are provided at the center position of the fixed plate 4 facing the open steel plate 5. The stabilizing plate 41 and the support blocks 42 are combined with the fixed plate 4 by conventional methods. The support blocks 42 are stuck on the outer side of the open steel plate 5 to support the open steel plate 5. A limiting protrusion 411 is provided at the center position of the stabilizing plate 41. The limiting protrusion 411 is embedded in the open steel plate 5 to ensure that the stabilizing plate 41 is firmly connected to the open steel plate 5.

[0023] In this embodiment, the reinforcing plate 31 is a three-dimensional right-angled trapezoidal structure, the right-angled side of the reinforcing plate 31 is consistent with the inner surface of the connecting plate component 3, the oblique side of the reinforcing plate 31 is consistent with the inclined diagonal support plate 32, the reinforcing plate 31 supports the diagonal support plate 32, and the reinforcing plate 31, the diagonal support plate 32 and the connecting plate component 3 diagonally support and firmly support the corrugated steel web member 2.

[0024] In this embodiment, a trapezoidal groove matched with the limiting plate 34 is provided on the corrugated steel web member 2, and the limiting plate 34 is consistent with the corrugated steel web member 2. The limiting plate 34 limits the corrugated steel web member 2 to prevent the corrugated steel web member 2 from being deflected.

[0025] In this embodiment, a trapezoidal installation groove is formed between the open steel plate 5 and the side of the concrete base plate 1, and the fixed beam column 51 of the isosceles trapezoidal three-dimensional structure is adapted to the installation groove. The fixed beam column 51 is prefabricated with reinforcing steel bars 511 to avoid difficulties in drilling holes and threading steel bars in the open steel plate 5. The fixed beam column 51 serves as a reinforcing structure of the open steel plate 5 component, so that the open steel plate 5 installed on the side of the concrete base plate 1 remains stable.

[0026] In this embodiment, a positioning groove matching with the limiting protrusion 411 is opened on the surface of the opening steel plate 5 at the center position away from the concrete bottom plate 1, and the limiting protrusion 411 is embedded in the opening steel plate 5 to ensure that the stabilizing plate 41 is firmly connected to the opening steel plate 5.

[0027] In this embodiment, the stabilizing plate 41 is a "U"-shaped structure, and a reinforcing rib 421 runs through the support block 42. The reinforcing rib 421 serves as a reinforcement design for the stabilizing plate 41. The reinforcing seat 43 is a three-dimensional right-angled trapezoidal structure. The surface of the reinforcing seat 43 facing away from the support block 42 is provided with a three-dimensional bolt assembly groove in the shape of a right triangle. The reinforcing seat 43 is firmly fixed to the fixing plate 4 and the support block 42 by bolt fasteners.

[0028] The working principle and use process of this utility model:

[0029] When the corrugated steel web member 2 is connected to the concrete bottom plate 1, there is a design of externally limiting the position of the corrugated steel web member 2 and the concrete bottom plate 1 to facilitate assembly;

[0030] The open steel plate 5 is fixed to the concrete bottom plate 1 by a small number of bolt fasteners, and the prefabricated reinforcing steel bars 511 are fixed in the beam column 51 to avoid the difficulty of drilling holes and reinforcing steel bars in the open steel plate 5. The fixed beam column 51 and the reinforcing steel bars 511 strengthen the structural stability of the open steel plate 5;

[0031] The connecting plate member 3 is installed on the concrete bottom plate 1, the limiting protrusion 411 on the stabilizing plate 41 is embedded in the opening steel plate 5, the fixing plate 4 and the opening steel plate 5 are combined, and the connecting plate member 3 and the fixing plate 4 can realize the firm support of the side position of the concrete bottom plate 1;

[0032] The reinforcing plate 31, the diagonal brace plate 32 and the connecting plate member 3 diagonally brace the corrugated steel web member 2, one end of the corrugated steel web member 2 is inserted into the position between the limiting plate 34 and the diagonal brace plate 32, the limiting plate 34 limits the corrugated steel web member 2 to prevent the corrugated steel web member 2 from being deflected, and the fixing bolts 33 further secure the connecting plate member 3 and the concrete bottom plate 1;

[0033] To sum up: the diagonal support plate 32 and the limiting plate 34 on the connecting plate component 3 limit the position of the corrugated steel web component 2 to prevent the corrugated steel web component 2 from being tilted, the connecting plate component 3 and the fixed plate 4 are installed on the outside of the combination position of the corrugated steel web component 2 and the concrete base plate 1, the fixed plate 4 and the opening steel plate 5 are combined, and the connecting plate component 3 and the fixed plate 4 can achieve firm support for the side position of the concrete base plate 1.

[0034] Although the embodiments of the present invention have been shown and described (see the above detailed description for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An L-shaped corrugated steel web and base plate connection device, comprising a connection assembly for installing a concrete base plate (1) and a corrugated steel web member (2), characterized in that: The connection assembly comprises a connection plate member (3) distributed between the concrete base plate (1) and the corrugated steel web member (2), a fixing plate (4) installed on the bottom surface of the connection plate member (3), and an open steel plate (5) connected to the side of the concrete base plate (1). The connection plate member (3) of the "L"-shaped structure comprises a horizontal portion and a vertical portion. A support member is provided on the inner surface of the connection plate member (3). The support member comprises a reinforcing plate (31) connected to the connection plate member (3), and a diagonal support plate (32) obliquely installed on the reinforcing plate (31). The surface of the horizontal portion is provided with fixing bolts (33) and a limiting plate (34); the surface of the open steel plate (5) facing the concrete bottom plate (1) is provided with a fixing beam column (51); the fixing beam column (51) is penetrated by a reinforcing steel bar (51); the fixing plate (4) is provided with a stabilizing plate (41) at the center position of the surface of the open steel plate (5), supporting blocks (42) symmetrically distributed on both sides of the stabilizing plate (41) and a reinforcing seat (43) connected to the supporting blocks (42); and a limiting protrusion (411) is provided at the center position of the stabilizing plate (41).

2. The L-shaped corrugated steel web and bottom plate connection device according to claim 1, characterized in that: The reinforcing plate (31) is a three-dimensional right-angled trapezoidal structure, the right-angled side of the reinforcing plate (31) matches the inner surface of the connecting plate component (3), and the oblique side of the reinforcing plate (31) matches the inclined diagonal support plate (32).

3. The L-shaped corrugated steel web and bottom plate connection device according to claim 1, characterized in that: The corrugated steel web member (2) is provided with a trapezoidal groove matched with the limiting plate (34).

4. The L-shaped corrugated steel web and bottom plate connection device according to claim 1, characterized in that: A trapezoidal installation groove is formed between the open steel plate (5) and the side surface of the concrete bottom plate (1), and the fixed beam column (51) of the isosceles trapezoidal three-dimensional structure is adapted to the installation groove.

5. The L-shaped corrugated steel web and bottom plate connection device according to claim 4, characterized in that: A positioning groove matching with the limiting protrusion (411) is provided on the surface of the opening steel plate (5) at the center position away from the concrete bottom plate (1).

6. The L-shaped corrugated steel web and bottom plate connection device according to claim 1, characterized in that: The stabilizing plate (41) is a "U"-shaped structure, and a reinforcing rib (421) runs through the supporting block (42).

7. The L-shaped corrugated steel web and bottom plate connection device according to claim 1, characterized in that: The reinforcing seat (43) is a three-dimensional right-angled trapezoidal structure, and a three-dimensional bolt assembly groove in the shape of a right triangle is provided on the surface of the reinforcing seat (43) away from the supporting block (42).

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