A road-bridge connection structure

Abstract

The utility model provides a road-bridge connection structure, which relates to the technical field of road-bridge connection structures, and comprises a structure body; both left and right sides of the structure body are provided with embedded bearing plates in the front-back direction, both left and right sides of the embedded bearing plates are provided with steel bar holes which penetrate the front-back arrangement up and down, an internal threaded cylinder which is arranged in the front-back and up-down direction is provided in the middle of the top end surface of the embedded bearing plate, an anti-loosening column spring in the up-down direction is placed at the bottom of the internal threaded cylinder of the embedded bearing plate, a corrosion-resistant layer is provided on the surface of the anti-loosening column spring, so that the anti-loosening column spring is conveniently placed in the internal threaded cylinder of the embedded bearing plate, and the fixing bolt rod is conveniently tightened to prevent loosening by the anti-loosening column spring, which solves the problem that the fixing bolts of the structure do not have any anti-loosening measures, resulting in the fixing bolts being easy to loosen during long-term use, and it is inconvenient to add anti-loosening measures on the structure to tighten and prevent loosening of the fixing bolts.

Description

Technical Field

[0001] The utility model belongs to the technical field of road-bridge connection structures, in particular to a road-bridge connection structure. Background Art

[0002] The road-bridge connection structure refers to the connection part between the road and the bridge. Since road construction and bridge construction are two different construction methods, different settlement changes will occur when subjected to vehicle loads, which will lead to the occurrence of bridge head misalignment and cause bridge head jumping. Bridge head jumping seriously affects driving safety and comfort, so the design and construction of the road-bridge connection structure is crucial.

[0003] Based on the above, the inventors found that the existing road-bridge connection structure has the following deficiencies:

[0004] 1. The fixing bolts of the structure do not have any anti-loosening measures, which makes the fixing bolts easy to loosen during long-term use. It is not convenient to install anti-loosening measures on the structure to tighten the fixing bolts;

[0005] 2. There are no protective measures on the bolt installation holes of the structure, which makes it easy for rainwater to enter the bolt installation holes and cause rust. It is not convenient to add protective measures to the structure to seal and protect the bolt installation holes. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides a road-bridge connection structure to solve the problems that the fixing bolts of the existing structure do not have any anti-loosening measures, which makes the fixing bolts easy to loosen during long-term use, and it is inconvenient to add anti-loosening measures to the structure to tighten the fixing bolts to prevent loosening; there are no protective measures on the bolt mounting holes of the structure, which makes it easy for rainwater to enter the bolt mounting holes and cause rust, and it is inconvenient to add protective measures to the structure to seal and protect the bolt mounting holes.

[0007] The purpose and effect of the road-bridge connection structure of the utility model are achieved by the following specific technical means:

[0008] A road-bridge connection structure comprises a structural body; both left and right sides of the structural body are provided with embedded bearing plates in the front-to-back direction, both left and right sides of the embedded bearing plates are provided with steel bar holes that penetrate the front-to-back arrangement up and down, an internal threaded cylinder that is arranged in the front-to-back and up-to-down direction is provided in the middle of the top end surface of the embedded bearing plate, an anti-loosening column spring is placed in the up-to-down direction at the bottom of the internal threaded cylinder of the embedded bearing plate, and a corrosion-resistant layer is provided on the surface of the anti-loosening column spring.

[0009] Furthermore, closed protective covers are installed in the threaded blind holes of the bridge connecting plate and the road connecting plate in the up and down directions, threads are provided on the outer circumference of the closed protective cover, and a rotating groove that runs through the left and right is provided in the middle of the top end surface of the closed protective cover.

[0010] Furthermore, a road connecting plate in the front-to-back direction is arranged on the top left side of the structural body, a threaded blind hole arranged in the front-to-back direction is opened on the left side of the top end face of the road connecting plate, a through hole penetrating up and down is opened in the middle of the threaded blind hole of the road connecting plate, and a vertical plate arranged in the front-to-back and left-to-right direction is arranged on the right end face of the road connecting plate.

[0011] Furthermore, a through hole penetrating up and down is opened in the middle of the threaded blind hole of the bridge connecting plate, and a vertical plate arranged in front and back and left and right directions is arranged on the left end face of the bridge connecting plate, and an inclined surface is arranged on the top end face of the vertical plate of the bridge connecting plate.

[0012] Furthermore, a bridge connecting plate in the front-to-back direction is arranged on the top right side of the structural body, and threaded blind holes arranged in the front-to-back direction are opened on the right side of the top end surface of the bridge connecting plate.

[0013] Furthermore, a limiting column is arranged on the top end surface of the threaded rod of the fixing bolt rod, and a regular hexagonal groove is opened on the top end surface of the limiting column of the fixing bolt rod.

[0014] Furthermore, a fixing bolt rod is installed in the internal threaded tube of the embedded bearing plate in the up-and-down directions, and a threaded rod is arranged at the bottom of the fixing bolt rod.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] It is convenient to put the anti-loosening column spring into the internal threaded tube of the embedded bearing plate, so that the fixing bolt rod can be tightened to prevent loosening by the anti-loosening column spring, which solves the problem that the fixing bolts of the structure have no anti-loosening measures, resulting in the fixing bolts being easy to loosen during long-term use, and it is inconvenient to add anti-loosening measures to the structure to tighten the fixing bolts to prevent loosening.

[0017] The closed protective cover is conveniently installed inside the threaded blind holes of the bridge connecting plate and the road connecting plate through threads, and the fixing bolt rod is conveniently closed and protected by the closed protective cover, which solves the problem that there are no protective measures on the bolt mounting holes of the structure, resulting in rainwater easily entering the bolt mounting holes and causing rust, and it is inconvenient to add protective measures to the structure to close and protect the bolt mounting holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a main structural schematic diagram of the utility model.

[0019] Figure 2It is a cross-sectional structural schematic diagram of the utility model.

[0020] Figure 3 It is a schematic diagram of the disassembled structure of the utility model.

[0021] Figure 4 It is a schematic diagram of the installation state of the utility model.

[0022] Figure 5 It is an assembly schematic diagram of the bridge connecting plate and the closed protective cover of the utility model.

[0023] Figure 6 It is an assembly schematic diagram of the embedded bearing plate and the fixing bolt rod of the utility model.

[0024] In the figure: 1. Structural body; 2. Embedded bearing plate; 3. Anti-loosening column spring; 4. Fixing bolt rod; 5. Bridge connecting plate; 6. Road connecting plate; 7. Closed protective cover. DETAILED DESCRIPTION

[0025] The embodiments of the present invention are further described in detail below in conjunction with the accompanying drawings and examples.

[0026] Embodiment 1:

[0027] As attached Figure 1 To Attachment Figure 6 As shown:

[0028] The utility model provides a road-bridge connection structure, including a structure body 1; both left and right sides of the structure body 1 are provided with embedded bearing plates 2 in the front-back direction, which are convenient for embedding to carry various components; both left and right sides of the embedded bearing plates 2 are provided with steel bar holes that penetrate the front-back arrangement up and down, which are convenient for steel bars to be inserted into the interior; the middle of the top end surface of the embedded bearing plate 2 is provided with an internal threaded cylinder arranged in the front-back up-down direction, which is convenient for fixing bolt rods 4 to be installed through threads; an anti-loosening column spring 3 in the upper and lower directions is placed at the bottom of the internal threaded cylinder of the embedded bearing plate 2, which is convenient for tightening the fixing bolt rod 4 to prevent loosening; a corrosion-resistant layer is provided on the surface of the anti-loosening column spring 3, which is convenient for extending the service life; the internal threaded cylinder of the embedded bearing plate 2 is provided with an internal threaded cylinder arranged in the front-back up-down direction, which is convenient for fixing bolt rods 4 to be installed through threads; A fixing bolt rod 4 is provided in the up and down directions, which is convenient for fixing the bridge connecting plate 5 and the road connecting plate 6. A threaded rod is provided at the bottom of the fixing bolt rod 4, which is convenient for threaded installation. A limiting column is provided on the top end face of the threaded rod of the fixing bolt rod 4, which is convenient for preventing the bridge connecting plate 5 and the road connecting plate 6 from falling off. A regular hexagonal groove is provided on the top end face of the limiting column of the fixing bolt rod 4, which is convenient for rotating and disassembling by tools. A bridge connecting plate 5 in the front and back directions is provided on the top right side of the structural body 1, which is convenient for cooperating with the road connecting plate 6. A front-to-back arranged threaded blind hole is provided on the right side of the top end face of the bridge connecting plate 5, which is convenient for the closed protective cover 7 to be installed by thread, so that the fixing bolt rod 4 can be hidden.

[0029] Among them, a through hole that runs through the top and bottom is opened in the middle of the threaded blind hole of the bridge connecting plate 5, which is convenient for the fixing bolt rod 4 to be inserted into the inside; the left end face of the bridge connecting plate 5 is provided with a vertical plate arranged in the front and rear left and right directions, which is convenient for mutual fit with the vertical plate of the road connecting plate 6; the top end face of the vertical plate of the bridge connecting plate 5 is provided with an inclined surface, which is convenient for transition of settlement; the left top of the structural body 1 is provided with a road connecting plate 6 in the front and rear directions, which is convenient for mutual cooperation with the bridge connecting plate 5; the left side of the top end face of the road connecting plate 6 is provided with a threaded blind hole arranged in the front and rear directions, which is convenient for the closed protective cover 7 to be installed through threads, and it is convenient for the fixing bolt rod 4 to be placed in the hidden A through hole that runs through the top and bottom is provided in the middle of the threaded blind hole of the road connecting plate 6, which is convenient for inserting the fixing bolt rod 4 into the inside; a vertical plate arranged in front and back and left and right directions is provided on the right end face of the road connecting plate 6, which is convenient for fitting with the vertical plate of the bridge connecting plate 5; closed protective covers 7 in the top and bottom directions are installed inside the threaded blind holes of the bridge connecting plate 5 and the road connecting plate 6, which is convenient for closing and protecting the fixing bolt rod 4; threads are provided on the outer circumference of the closed protective cover 7, which is convenient for disassembling and assembling the closed protective cover 7 through threads; a rotating groove that runs through the top and bottom is provided in the middle of the top end face of the closed protective cover 7, which is convenient for rotating and disassembling by tools.

[0030] The specific usage and function of this embodiment are as follows:

[0031] In the utility model, when the fixing bolt rod 4 is screwed into the inner threaded tube of the embedded bearing plate 2, the fixing bolt rod 4 will press and fix the bridge connecting plate 5 and the road connecting plate 6, and at the same time, the fixing bolt rod 4 will compress the anti-loosening column spring 3, so that the anti-loosening column spring 3 generates a reaction force, and the fixing bolt rod 4 is pushed upward by the reaction force of the anti-loosening column spring 3, thereby achieving the anti-loosening of the fixing bolt rod 4; when the fixing bolt rod 4 is installed, the closed protective cover 7 is screwed into the threaded blind holes of the bridge connecting plate 5 and the road connecting plate 6, thereby closing the threaded blind holes of the bridge connecting plate 5 and the road connecting plate 6 through the closed protective cover 7, so that the upper end of the fixing bolt rod 4 is in a closed protection state to prevent rainwater from entering and causing erosion to the fixing bolt rod 4.

[0032] Embodiment 2:

[0033] The difference from the first embodiment is that the regular hexagonal groove of the fixing bolt rod 4 can also be set as a regular heptagonal groove, so that the fixing bolt rod 4 can only be rotated by a special tool that cooperates with the regular heptagonal groove, preventing non-staff from rotating and disassembling the fixing bolt rod 4.

[0034] Embodiment three:

[0035] The difference from the first embodiment is that the bottom end surface of the closed protective cover 7 can also be set to a frosted surface, thereby increasing the friction between the bottom end surface of the closed protective cover 7 and the bridge connecting plate 5 and the road connecting plate 6, preventing the closed protective cover 7 from rotating loose.

Claims

1. A road-bridge connection structure, characterized in that: The invention comprises a structural body (1); the structural body (1) is provided with embedded bearing plates (2) in the front-back direction on both left and right sides; the embedded bearing plates (2) are provided with steel bar holes that penetrate the front-back direction up and down on both left and right sides; an internal threaded cylinder that is arranged in the front-back direction up and down is provided in the middle of the top end surface of the embedded bearing plate (2); an anti-loosening column spring (3) is placed in the front-back direction at the bottom of the internal threaded cylinder of the embedded bearing plate (2); and a corrosion-resistant layer is provided on the surface of the anti-loosening column spring (3).

2. A road-bridge connection structure as claimed in claim 1, characterized in that: A fixing bolt rod (4) is installed in the internal threaded tube of the embedded bearing plate (2) in the up-and-down direction, and a threaded rod is arranged at the bottom of the fixing bolt rod (4).

3. A road-bridge connection structure as claimed in claim 2, characterized in that: A limiting column is arranged on the top end surface of the threaded rod of the fixing bolt rod (4), and a regular hexagonal groove is provided on the top end surface of the limiting column of the fixing bolt rod (4).

4. A road-bridge connection structure as claimed in claim 1, characterized in that: A bridge connection plate (5) in the front-to-back direction is arranged at the top right side of the structural body (1), and threaded blind holes arranged in the front-to-back direction are opened at the right side of the top end surface of the bridge connection plate (5).

5. A road-bridge connection structure as claimed in claim 4, characterized in that: A through hole penetrating up and down is provided in the middle of the threaded blind hole of the bridge connection plate (5); a vertical plate arranged in front and back and left and right directions is provided on the left end face of the bridge connection plate (5); and an inclined surface is provided on the top end face of the vertical plate of the bridge connection plate (5).

6. A road-bridge connection structure as claimed in claim 4, characterized in that: A road connection plate (6) in the front-to-back direction is arranged at the top left side of the structural body (1); a threaded blind hole arranged in the front-to-back direction is provided on the left side of the top end face of the road connection plate (6); a through hole penetrating up and down is provided in the middle of the threaded blind hole of the road connection plate (6); and a vertical plate arranged in the front-to-back direction and in the left-to-right direction is provided on the right end face of the road connection plate (6).

7. A road-bridge connection structure as claimed in claim 6, characterized in that: A closed protective cover (7) is installed in the threaded blind holes of the bridge connection plate (5) and the road connection plate (6) in the up-and-down direction. The closed protective cover (7) is provided with a thread on its outer circumference. A rotating groove is provided in the middle of the top end surface of the closed protective cover (7) and runs through to the left and right.

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