Connecting device for road and bridge
By designing a bridge and road connection device, multiple fixations are achieved using threaded rods and shell structures, increasing the concrete contact area, solving the problem of unstable connection between the bridge and the road, and improving the embedded stability.
Patent Information
- Application Number
- CN202422798375.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-18
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-11-18
AI Technical Summary
In the prior art, when a bridge is connected to a road, the connection is unstable, and the contact area between the embedded connector and the concrete is small, resulting in poor stability.
A device including a bridge, a plate, a shell, a block, a vertical rod and a connecting structure is designed. Multiple fixations are achieved through components such as threaded rods, curved plates, and screws, and the concrete contact area is increased through structures such as shells, outer shells, and inclined plates.
The connection stability between the bridge and the road is improved, and the contact area between the embedded connector and the concrete is increased, thereby enhancing the stability of the embedded part.
Smart Images

Figure CN223329690U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of roads and bridges, in particular to a connecting device for roads and bridges. Background Art
[0002] Road bridges are generally composed of several major parts, including roadbed, pavement, bridges, tunnel projects and traffic engineering facilities.
[0003] There is a seamless connection device for roads and bridges (application number: 202121821796.9) that can easily adjust the vertical and horizontal spacing between the upper slide and the lower slide. It can be adjusted according to the site and is easy to use. The above problem still exists. When building a road bridge, it is often necessary to connect the bridge and the road, and pre-embed the connecting parts in the road. When connecting the bridge and the road, it is inconvenient for the staff to perform multiple fixes on the connection of the bridge, and thus the stability of the connection is poor. When the connecting parts are pre-embedded in the road, the pre-embedding can be made more stable by pouring concrete, but it is not convenient to increase the contact area with the concrete during pre-embedding, and thus it is not convenient to improve the stability of the pre-embedding. Utility Model Content
[0004] The purpose of the utility model is to solve the shortcomings in the prior art that it is inconvenient for workers to perform multiple fixations on the bridge connection, resulting in poor connection stability, inconvenience in increasing the contact area with concrete during pre-embedding, and inconvenience in improving the stability of pre-embedding, and to propose a connecting device for roads and bridges.
[0005] To achieve the above objectives, the present invention provides the following technical solutions:
[0006] A connecting device for a road and a bridge is designed, comprising a bridge, wherein a plate is fixedly connected to the bottom of the bridge, a shell is fitted on the bottom of the plate, a block is gapped with the top inner wall of the shell, the top of the block is fixedly connected to the bottom of the plate, a vertical rod is fixedly connected to one side of the bottom of the plate, the upper part of the outer wall of the vertical rod is gapped with the inner wall of the top side of the shell, the bottom of the shell is fixedly connected to an outer shell, the upper part of the outer wall of the shell is fixedly connected to a bottom plate, and a connecting structure is provided on one side of the shell.
[0007] Preferably, the connecting structure includes a threaded rod, one side of the outer wall of the threaded rod is threadedly connected to the inner wall below one side of the shell, one end of the threaded rod is rotatably connected to a curved plate through a bearing, one side of the outer wall of the curved plate is gap-fitted with a groove below one side of the block, the bottom of the curved plate is fixedly connected to a slider, the inner wall of the slider is slidably engaged with a sliding rod, one end of the sliding rod is fixedly connected to the lower side of one side of the inner wall of the shell, a screw rod is provided above the threaded rod, one side of the outer wall of the screw rod is threadedly connected to the inner wall below the vertical rod, and the other side of the outer wall of the screw rod is threadedly connected to the inner wall above one side of the shell, a steel bar is gap-fitted with the inner wall of one side of the screw rod, and a cross block is gap-fitted with the outer wall of the steel bar, and one end of the cross block is fixedly connected to the upper side of one side of the shell.
[0008] Preferably, an inclined block is fixedly connected to the bottom of the shell.
[0009] Preferably, an opening is processed on the outer inner wall of one end of the shell.
[0010] Preferably, an inclined plate is fixedly connected to the lower side of the shell.
[0011] Preferably, a bolt is threadedly connected to the inner wall of one side of the base plate.
[0012] The utility model provides a connecting device for a road and a bridge, which has the following beneficial effects: through the cooperation of the bridge, the plate, the shell, the block, the vertical rod and the connecting structure, the device can be used by inserting the block into the top inner wall of the shell, and at the same time inserting the vertical rod into the top side inner wall of the shell, rotating the threaded rod, the threaded rod drives the curved plate to move inward, so that the curved plate is inserted into the groove of the block, rotating the screw rod, the screw rod enters the inner wall of the shell and the vertical rod, and then inserting the steel bar into the inner wall of the horizontal block and the screw rod, breaking the bottom of the steel bar apart, and injecting concrete through the pouring port on the front end face of the shell, thereby facilitating the workers to perform multiple fixations on the connection of the bridge, thereby improving the stability of the connection;
[0013] Through the coordination of the shell, bottom plate, outer shell, inclined plate, inclined block and opening, when the device is in use, the shell can be placed in the pre-buried hole of the road, the inclined block can be inserted into the interior of the road, and concrete can be injected through the pouring port on the front end face of the shell, thereby allowing the concrete to flow into the interior of the shell, and then pass through the opening into the space between the shell and the pre-buried hole of the road, where the concrete gradually fills up and then wraps the inclined plate and the shell, thereby increasing the contact area with the concrete during pre-buried, thereby facilitating improving the stability of the pre-buried. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the structure of the utility model;
[0015] Figure 2 This is a schematic diagram of the bridge, plate and block structure of the utility model;
[0016] Figure 3 This is a schematic diagram of the threaded rod, curved plate and slider structure of the utility model;
[0017] Figure 4 This is a schematic diagram of the structure of the screw rod, cross block and steel bar of the utility model;
[0018] Figure 5 This is a schematic diagram of the block, curved plate and inclined groove structure of the utility model;
[0019] Figure 6 This is a schematic structural diagram of the housing, inclined plate and inclined block of the utility model.
[0020] In the figure: 1. Bridge, 2. Connection structure, 2a1. Threaded rod, 2a2. Curved plate, 2a3. Sliding rod, 2a4. Sliding block, 2a5. Screw, 2a6. Cross block, 2a7. Steel bar, 2b1. Inclined groove, 3. Shell, 4. Bottom plate, 5. Outer shell, 6. Inclined plate, 7. Inclined block, 8. Opening, 9. Bolt, 10. Plate, 11. Block, 12. Vertical rod. DETAILED DESCRIPTION
[0021] The present invention will be further described below with reference to the accompanying drawings:
[0022] Example 1:
[0023] Refer to the attached Figure 1-6 : In this embodiment, a connecting device for a road and a bridge includes a bridge 1, a plate body 10 is fixedly connected to the bottom of the bridge 1, a shell 3 is attached to the bottom of the plate body 10, a pouring port is processed on the front end face of the shell 3, a block body 11 is gap-fitted on the top inner wall of the shell 3, the top of the block body 11 is fixedly connected to the bottom of the plate body 10, a vertical rod 12 is fixedly connected to one side of the bottom of the plate body 10, the upper outer wall of the vertical rod 12 is gap-fitted with the inner wall of the top side of the shell 3, and the bottom of the shell 3 is fixedly connected to the outer shell 5.
[0024] A bottom plate 4 is fixedly connected to the upper part of the outer wall of the shell 5, and a bevel block 7 is fixedly connected to the bottom of the shell 5. An opening 8 is processed on the inner wall of the outer side of one end of the shell 5, and the opening 8 is used for the passage of concrete. An inclined plate 6 is fixedly connected to the lower part of one side of the shell 5. The setting of the inclined plate 6 can increase the contact area with the concrete. A bolt 9 is threadedly connected to the inner wall of one side of the bottom plate 4. A connecting structure 2 is provided on one side of the shell 3. The connecting structure 2 facilitates the staff to perform multiple fixations on the connection of the bridge, thereby improving the stability of the connection.
[0025] The connecting structure 2 includes a threaded rod 2a1, one side of the outer wall of the threaded rod 2a1 is threadedly connected to the inner wall below one side of the shell 3, one end of the threaded rod 2a1 is rotatably connected to the curved plate 2a2 through a bearing, one side of the outer wall of the curved plate 2a2 is gap-fitted with the groove below one side of the block 11, and the bottom of the curved plate 2a2 is fixedly connected to the slider 2a4, and the inner wall of the slider 2a4 is slidably engaged with the sliding rod 2a3, which serves to limit the slider 2a4 when it moves left and right under force.
[0026] One end of the sliding rod 2a3 is fixedly connected to the lower side of the inner wall of the shell 3, and a screw rod 2a5 is provided above the threaded rod 2a1. One side of the outer wall of the screw rod 2a5 is threadedly connected to the lower inner wall of the vertical rod 12, and the other side of the outer wall of the screw rod 2a5 is threadedly connected to the upper inner wall of one side of the shell 3. A steel bar 2a7 is fitted in the gap of the inner wall of one side of the screw rod 2a5. The bottom of the steel bar 2a7 is forked, and a cross block 2a6 is fitted in the gap above the outer wall of the steel bar 2a7. One end of the cross block 2a6 is fixedly connected to the upper side of the shell 3, which is convenient for the staff to perform multiple fixations on the connection of the bridge, thereby improving the stability of the connection.
[0027] Working principle:
[0028] When connecting roads to bridges:
[0029] The shell 5 is placed in the embedded hole of the road, the inclined block 7 is inserted into the interior of the road, the bolt 9 is turned so that the bolt 9 enters the inner wall of the bottom plate 4 and the road, the block 11 is inserted into the top inner wall of the shell 3, and the vertical rod 12 is inserted into the inner wall of the top side of the shell 3, the threaded rod 2a1 is turned, and the threaded rod 2a1 drives the curved plate 2a2 to move inward so that the curved plate 2a2 is inserted into the groove of the block 11, and the screw rod 2a5 is turned so that the screw rod 2a5 enters the inner wall of the shell 3 and the vertical rod 12, and then the steel bar 2a7 is inserted into the inner wall of the cross block 2a6 and the screw rod 2a5, and the bottom of the steel bar 2a7 is broken open, and concrete is injected through the pouring port on the front end face of the shell 3, so that the concrete flows into the interior of the shell 5, and enters between the shell 5 and the embedded hole of the road through the opening 8. The concrete gradually fills up, and then wraps the inclined plate 6 and the shell 5. At the same time, as the concrete gradually fills up, the interior of the shell 3 is filled up, thereby achieving the connection and fixing work.
[0030] Example 2:
[0031] Refer to the attached Figure 1-6 In this embodiment, a connecting device for a road and a bridge is provided, wherein the connecting structure 2 may further include an inclined groove 2b1, and the inclined groove 2b1 is processed on one inner wall of the block 11. The setting of the inclined block 2b1 may increase the contact area of the concrete.
[0032] Working principle:
[0033] After the concrete is injected into the shell 3 , the concrete will enter the interior of the chute 2 b 1 , thereby increasing the contact area between the block 11 and the concrete, and further improving the stability of the connection.
[0034] While the present invention has been shown and described with reference to preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.
Claims
1. A road-bridge connection device, comprising a bridge (1), characterized in that: The bottom of the bridge (1) is fixedly connected to a plate body (10), the bottom of the plate body (10) is fitted with a shell (3), the top inner wall of the shell (3) is gap-fitted with a block body (11), the top of the block body (11) is fixedly connected to the bottom of the plate body (10), one side of the bottom of the plate body (10) is fixedly connected to a vertical rod (12), the upper part of the outer wall of the vertical rod (12) is gap-fitted with the inner wall of the top side of the shell (3), the bottom of the shell (3) is fixedly connected to an outer shell (5), the upper part of the outer wall of the shell (5) is fixedly connected to a bottom plate (4), and one side of the shell (3) is provided with a connecting structure (2).
2. The road-bridge connection device according to claim 1, characterized in that: The connection structure (2) comprises a threaded rod (2a1), one side of the outer wall of the threaded rod (2a1) is threadedly connected to the inner wall below one side of the shell (3), one end of the threaded rod (2a1) is rotatably connected to a curved plate (2a2) via a bearing, one side of the outer wall of the curved plate (2a2) is gap-matched with a groove below one side of the block (11), the bottom of the curved plate (2a2) is fixedly connected to a slider (2a4), the inner wall of the slider (2a4) is slidably engaged with a slider (2a3), one end of the slider (2a3) is connected to the shell ( 3), a screw rod (2a5) is provided above the threaded rod (2a1), one side of the outer wall of the screw rod (2a5) is threadedly connected to the inner wall below the vertical rod (12), and the other side of the outer wall of the screw rod (2a5) is threadedly connected to the inner wall above one side of the shell (3), a steel bar (2a7) is fitted in the gap of the inner wall of one side of the screw rod (2a5), and a cross block (2a6) is fitted in the gap above the outer wall of the steel bar (2a7), and one end of the cross block (2a6) is fixedly connected to the upper side of one side of the shell (3).
3. The road-bridge connection device according to claim 1, characterized in that: The bottom of the housing (5) is fixedly connected with an inclined block (7).
4. The road-bridge connection device according to claim 1, characterized in that: An opening (8) is machined on the inner wall of the outer side of one end of the shell (5).
5. The road-bridge connection device according to claim 1, characterized in that: An inclined plate (6) is fixedly connected to the lower side of one side of the housing (5).
6. The road-bridge connection device according to claim 1, characterized in that: A bolt (9) is threadedly connected to the inner wall of one side of the bottom plate (4).
Citation Information
Patent Citations
Seamless connecting device for road and bridge
CN216040649U