Old bridge widening structure suitable for highway bridge

Abstract

The utility model relates to the technical field of highway bridge widening, and discloses an old bridge widening structure suitable for a highway bridge, which comprises an old bridge, the outer surface of the old bridge is sleeved with a limiting ring used for fixing, the side surface of the limiting ring is fixedly connected with a clamping frame used for connecting, and the clamping frame is fixedly connected with a connecting rod. A transverse plate used for supporting is clamped to the inner side wall of the clamping frame, a circular ring is fixedly connected to one end of the transverse plate, a new bridge is clamped to the inner side wall of the circular ring, the bottom of the new bridge is sleeved with a chassis, and a ground drilling structure used for limiting is fixedly installed at the bottom of the chassis. According to the old bridge widening structure suitable for the highway bridge, through cooperative arrangement of the limiting rings, the clamping frames, the transverse plates and the circular rings, the old bridge and a new bridge can be connected into a whole, and the widened new highway surface and the widened old highway surface are further connected more tightly; a large gap generated between a new road surface and an old road surface due to vibration caused by back-and-forth walking of vehicles is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of highway bridge widening, in particular to an old bridge widening structure suitable for highway bridges. Background Art

[0002] Many early highway bridges can no longer meet the needs of modern transportation due to their low design standards and insufficient capacity. Therefore, widening and renovating old bridges has become an important means to improve road capacity and ensure traffic safety. The selection of old bridge widening plans should take into account factors such as the existing condition of the bridge, traffic demand, construction conditions and economic costs.

[0003] The existing technology has the following problems when used in practice:

[0004] The existing device is not equipped with parts that can firmly connect the new bridge with the old bridge. In actual use, the vibration caused by the vehicles moving back and forth may cause large cracks between the new and old road surfaces, causing certain safety hazards. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides an old bridge widening structure suitable for highway bridges, which solves the problems in the prior art:

[0007] The existing device is not equipped with parts that can firmly connect the new bridge with the old bridge. In actual use, the vibration caused by the vehicles moving back and forth may cause large cracks between the new and old road surfaces, causing certain safety hazards.

[0008] (II) Technical solution

[0009] To achieve the above objectives, the utility model is implemented through the following technical solutions: an old bridge widening structure suitable for highway bridges, comprising an old bridge, the outer surface of the old bridge is sleeved with a limiting ring for fixation, the side of the limiting ring is fixedly connected with a card frame for connection, the inner wall of the card frame is clamped with a cross plate for support, one end of the cross plate is fixedly connected with a circular ring, the inner wall of the circular ring is clamped with a new bridge, the bottom of the new bridge is sleeved with a chassis, and the bottom of the chassis is fixedly installed with a ground-boring structure for limiting.

[0010] Preferably, the bottom of the old bridge is fixedly connected to an old foundation for support, and the top of the old bridge is fixedly connected to an old road surface for walking.

[0011] Preferably, a connecting plate is fixedly connected to the side surface of the limiting ring, and a threaded hole for connection is provided on the side surface of the connecting plate.

[0012] Preferably, a limiting hole for connection is provided on the side of the card frame, and a screw for fastening is threadedly connected to the side of the limiting hole.

[0013] Preferably, one end of the transverse plate is fixedly connected to a bow-shaped plate for support, and the bow-shaped plate is fixedly connected to the side surface of the circular ring.

[0014] Preferably, a fixing plate for installation is fixedly connected to one side of the circular ring, and a secondary circular ring for fixing is connected to the side surface of the fixing plate via a limiting rod.

[0015] Preferably, a new road plate for walking is fixedly connected to the top of the new bridge, and a connecting ring is sleeved on the bottom of the new bridge.

[0016] Preferably, a limiting plate for connection is fixedly mounted on the bottom of the chassis, and the bottom of the limiting plate is fixedly connected to the top of the ground-boring structure.

[0017] (III) Beneficial effects

[0018] The utility model provides an old bridge widening structure suitable for highway bridges, which has the following beneficial effects:

[0019] The old bridge widening structure applicable to highway bridges can connect the old bridge and the new bridge as one through the matching arrangement of the limit ring, the clamp frame, the cross plate and the circular ring, and further make the widened new road surface and the old road surface connected more closely, avoiding a large gap between the new road surface and the old road surface due to the vibration of vehicles moving back and forth. At the same time, with the help of the matching arrangement between the clamp frame and the cross plate, the staff can adjust the overlapping distance between the clamp frame and the cross plate according to the actual road surface to be widened, and then the distance between the limit ring and the circular ring can be adjusted, so that the device can be suitable for fixing old bridges and new bridges at different distances. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the circular ring structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the card frame structure of the utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the limit plate of the utility model;

[0024] Figure 5This is a schematic diagram of the structure of the clamp ring of the utility model;

[0025] Figure 6 This is a schematic diagram of the structure of the threaded ring of the utility model;

[0026] Figure 7 This is a schematic diagram of the ring structure of the utility model.

[0027] In the figure: 1. old bridge; 2. limiting ring; 3. clamping frame; 4. cross plate; 5. circular ring; 6. new bridge; 7. chassis; 8. drilling structure; 801. clamping ring; 802. threaded ring; 803. sleeve ring; 9. old foundation; 10. old road surface; 11. connecting plate; 12. threaded hole; 13. limiting hole; 14. screw; 15. bow plate; 16. fixing plate; 17. secondary circular ring; 18. new road plate; 19. connecting ring; 20. limiting plate. DETAILED DESCRIPTION

[0028] 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. 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.

[0029] See also Figures 1 to 7 The utility model provides a technical solution: an old bridge widening structure suitable for highway bridges, which is mainly used in the scenario of old bridge widening structure of highway bridges.

[0030] See also Figures 1 to 7 In order to make the old road surface 10 supported more firmly and to make the connection between the card frame 3 and the old bridge 1 more firmly, the old bridge 1 and the limit ring 2 are set;

[0031] The utility model comprises an old bridge 1, the outer surface of which is sleeved with a limiting ring 2 for fixing, the bottom of the old bridge 1 is fixedly connected with an old foundation 9 for supporting, the top of the old bridge 1 is fixedly connected with an old road surface 10 for walking, through the setting of the old foundation 9, the connection between the old bridge 1 and the ground can be made more firmly, through the setting of the old road surface 10, the device can have better driving ability, the side of the limiting ring 2 is fixedly connected with a connecting plate 11, the side of the connecting plate 11 is provided with a threaded hole 12 for connection, and through the matching setting of the connecting plate 11 and the threaded hole 12, the connection between the limiting ring 2 and the old bridge 1 can be made more firmly.

[0032] See also Figures 1 to 7 In order to make the device adapt to the connection between the new and old bridges at different distances, a card frame 3, a horizontal plate 4, and a ring 5 are set;

[0033] The side of the limiting ring 2 is fixedly connected with a card frame 3 for connection, and the inner side wall of the card frame 3 is clamped with a cross plate 4 for support, and one end of the cross plate 4 is fixedly connected with a circular ring 5. The side of the card frame 3 is provided with a limiting hole 13 for connection, and the side of the limiting hole 13 is threadedly connected with a screw 14 for fastening, through the matching arrangement of the limiting hole 13 and the screw 14, it is convenient to adjust the card frame 3 and the cross plate 4, and one end of the cross plate 4 is fixedly connected with a bow plate 15 for support, and the bow plate 15 is fixedly connected to the side of the circular ring 5. Through the setting of the bow plate 15, the connection between the cross plate 4 and the circular ring 5 can be made more firmly, and one side of the circular ring 5 is fixedly connected with a fixing plate 16 for installation, and the side of the fixing plate 16 is connected with a secondary circular ring 17 for fixing through a limiting rod. Through the matching arrangement of the fixing plate 16 and the secondary circular ring 17, the connection between the circular ring 5 and the new bridge 6 can be made more firmly.

[0034] See also Figures 1 to 7 In order to make the new road slab 18 more firmly supported and to make the connection between the new bridge 6 and the ground more firmly, a new bridge 6, a chassis 7 and a ground-boring structure 8 are provided;

[0035] The inner wall of the circular ring 5 is clamped with the new bridge 6, the bottom of the new bridge 6 is sleeved with the chassis 7, the bottom of the chassis 7 is fixedly installed with a drilling structure 8 for limiting, the top of the new bridge 6 is fixedly connected with a new road plate 18 for walking, and the bottom of the new bridge 6 is sleeved with a connecting ring 19. Through the setting of the new road plate 18, the device can have a better widening effect, and through the setting of the connecting ring 19, the connection between the new bridge 6 and the chassis 7 can be made firmer. A limiting plate 20 for connection is fixedly installed on the bottom of the chassis 7, and the bottom of the limiting plate 20 is fixedly connected to the top of the drilling structure 8. Through the setting of the limiting plate 20, the connection between the drilling structure 8 and the chassis 7 can be made firmer, and through the setting of the drilling structure 8, the connection between the chassis 7 and the ground can be made firmer.

[0036] Embodiment 1: The ground-boring structure 8 includes a clamping ring 801, which is detachably clamped to the bottom of the ground-boring structure 8. The arrangement of the clamping ring 801 can make the ground-boring structure 8 more convenient to install and disassemble;

[0037] Embodiment 2: The ground-boring structure 8 includes a threaded ring 802, which is threadedly connected to the bottom of the ground-boring structure 8. The arrangement of the threaded ring 802 can facilitate the installation and disassembly of the ground-boring structure 8 and can also be fixed more firmly.

[0038] Embodiment 3: The ground-boring structure 8 comprises a collar 803, and the collar 803 is fixedly mounted on the bottom of the ground-boring structure 8. By setting the collar 803, the ground-boring structure 8 can be fixed more firmly and can be easily installed and disassembled.

[0039] In the utility model, the working steps of the device are as follows:

[0040] 1. First, conduct a detailed survey of the existing status of the old bridge, including the structural strength, service life, degree of damage, etc. of the bridge, and measure the width of the road surface that needs to be widened, and design a detailed widening plan based on the measurement results;

[0041] 2. Secondly, the limiting ring 2 is sleeved on the outer surface of the old bridge 1 to ensure that the limiting ring 2 fits tightly with the old bridge 1 without any looseness;

[0042] 3. Then, bury the bottom of the new bridge 6 below the ground to ensure that the new bridge 6 is firmly fixed without shaking;

[0043] 4. Finally, one end of the horizontal plate 4 is clamped to the inner wall of the frame 3. According to the actual width of the road surface that needs to be widened, the overlapping distance between the horizontal plate 4 and the frame 3 is adjusted to achieve an ideal supporting effect, and then the ring 5 is connected to the new bridge 6.

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An old bridge widening structure suitable for highway bridges, comprising an old bridge (1), characterized in that: The outer surface of the old bridge (1) is sleeved with a limit ring (2) for fixing, the side of the limit ring (2) is fixedly connected with a clamping frame (3) for connecting, the inner wall of the clamping frame (3) is clamped with a horizontal plate (4) for supporting, one end of the horizontal plate (4) is fixedly connected with a circular ring (5), the inner wall of the circular ring (5) is clamped with a new bridge (6), the bottom of the new bridge (6) is sleeved with a chassis (7), and the bottom of the chassis (7) is fixedly installed with a ground-boring structure (8) for limiting.

2. The old bridge widening structure applicable to highway bridges according to claim 1 is characterized in that: The bottom of the old bridge (1) is fixedly connected to an old foundation (9) for support, and the top of the old bridge (1) is fixedly connected to an old road surface (10) for walking.

3. The old bridge widening structure applicable to highway bridges according to claim 1 is characterized in that: A connecting plate (11) is fixedly connected to the side surface of the limiting ring (2), and a threaded hole (12) for connection is provided on the side surface of the connecting plate (11).

4. The old bridge widening structure applicable to highway bridges according to claim 1 is characterized in that: A limiting hole (13) for connection is provided on the side of the clamping frame (3), and a screw rod (14) for fastening is threadedly connected to the side of the limiting hole (13).

5. The old bridge widening structure applicable to highway bridges according to claim 1 is characterized in that: One end of the transverse plate (4) is fixedly connected to a bow-shaped plate (15) for support, and the bow-shaped plate (15) is fixedly connected to the side surface of the circular ring (5).

6. The old bridge widening structure applicable to highway bridges according to claim 1 is characterized in that: A fixing plate (16) for installation is fixedly connected to one side of the circular ring (5), and a secondary circular ring (17) for fixing is connected to the side of the fixing plate (16) via a limiting rod.

7. The old bridge widening structure applicable to highway bridges according to claim 1 is characterized by: A new road plate (18) for walking is fixedly connected to the top of the new bridge (6), and a connecting ring (19) is sleeved on the bottom of the new bridge (6).

8. The old bridge widening structure applicable to highway bridges according to claim 1 is characterized by: A limiting plate (20) for connection is fixedly installed at the bottom of the chassis (7), and the bottom of the limiting plate (20) is fixedly connected to the top of the ground-boring structure (8).

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