Anti-seismic reinforcing structure of highway bridge
The seismic reinforcement structure addresses the issue of uneven load distribution by using gears and worm gears for automatic support adjustment, ensuring safe and flexible support for varying bridge decks and facilitating rapid assembly/disassembly.
Patent Information
- Application Number
- CN202323580700.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-27
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2033-12-27
AI Technical Summary
Existing earthquake-resistant reinforcement structures for highway bridges fail to adjust the force point of the bottom support effectively, leading to increased load on one side of the bridge deck during high traffic, posing a safety hazard of collapse.
A seismic reinforcement structure featuring gears, toothed plates, and worm gears that allow for automatic climbing and adjustment of support points, facilitated by external motors and bolts, enabling flexible support for varying bridge deck widths and rapid assembly/disassembly.
Enhances installation convenience, prevents slipping during climbing, ensures safe and stable support, and allows for quick disassembly and assembly, effectively supporting bridges of different widths.
Smart Images

Figure CN222183105U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of highway bridges, and specifically to an earthquake-resistant reinforcement structure of a highway bridge. Background Art
[0002] Road bridges are generally composed of several major parts, including roadbed, pavement, bridges, tunnel projects and traffic engineering facilities.
[0003] The existing patent (publication number: CN213571502U) discloses an anti-seismic device for highway bridges. The anti-seismic device for highway bridges includes a truncated cone-shaped base, a shock-absorbing structure, a lifting support structure, a support structure and a reinforcement structure. The lifting support structure is connected to the shock-absorbing structure. The lifting support structure includes a first rectangular sleeve, a gear, a motor, a rack, a second rectangular sleeve, a rotating shaft, a belt, a pulley and a curved plate. The second rectangular sleeve is sleeved on the top of the vertically arranged first rectangular sleeve, and the curved plate is installed near the top inner position of the first rectangular sleeve. The anti-seismic device for highway bridges provided by the utility model has the advantages of being able to adjust the overall support height, and is suitable for the support height of highway bridges in a wider range. The adjustment adopts an electric method, which is easy to operate. By opening the two hydraulic cylinders on the reinforcement structure, the U-shaped plug plate is driven to be inserted into the inside of the slot, thereby reinforcing the support strength and improving the support stability.
[0004] During use, the above-mentioned device can adjust the overall support height and is suitable for the support height of highway bridges in a wider range. However, it cannot adjust the force point of the bottom support and effectively support the bottom of different bridge decks. When the traffic volume on one side of the bridge deck is large, it is easy to increase the load on one side of the bridge, causing a safety hazard of collapse. Utility Model Content
[0005] In response to the shortcomings of the existing technology, the present application provides an earthquake-resistant reinforcement structure for a highway bridge, which has the advantages of easy installation and disassembly and easy adjustment of support points. It solves the problem that when there is a large amount of traffic on one side of the bridge deck, the load on one side of the bridge may be increased, causing a safety hazard of collapse.
[0006] To achieve the above-mentioned purpose, the present application provides the following technical solutions: an earthquake-resistant reinforcement structure for a highway bridge, comprising a beam-column, wherein the outer surface of the beam-column is sleeved with two symmetrical bottom base sleeves, and the top of the beam-column is sleeved with two symmetrically arranged top base sleeves, and the outer surfaces of the two bottom base sleeves are each provided with two symmetrically arranged tooth plates, and the outer surface of the beam-column is provided with two symmetrically arranged lifting sleeves, and the front and rear inner side walls of the two lifting sleeves are rotatably connected with a lifting shaft through bearings, and the outer surfaces of the two lifting shafts are fixedly connected with gears, and the two gears are meshed with the tooth plates adjacent to them, and the two lifting shafts are The front ends are fixedly connected with a first worm gear, the front faces of the two lifting sleeves are fixedly connected with a stabilizing frame, the inner bottom walls and the inner top walls of the two stabilizing frames are rotatably connected with a first worm gear via a bearing, the two first worm gears are meshingly connected with the first worm gears adjacent to them, the upper surfaces of the two lifting sleeves are rotatably connected with two adjusting shafts via bearings, the top end of each adjusting shaft is fixedly connected with a supporting plate, the outer surface of each adjusting shaft is fixedly connected with a second worm gear, the upper surfaces of the two lifting sleeves are rotatably connected with two second worm gears via bearings, and each second worm gear is meshingly connected with the second worm gear adjacent to it.
[0007] Through the above scheme, by setting gears and toothed plates, the purpose of automatic climbing of the lifting sleeve can be achieved, and the installation convenience of the user can be improved. At the same time, the self-locking property of the first worm and the first worm wheel can effectively prevent the lifting sleeve from slipping during the climbing process, thereby improving the overall safety. By setting the second worm and the second worm wheel, the position of the support plate can be adjusted, which is convenient for the user to flexibly adjust the bridge deck of different widths and effectively support the bridge. At the same time, through the setting of the top base sleeve and the bottom base sleeve, the rapid disassembly and assembly of the whole and the beams and columns can be facilitated.
[0008] Furthermore, one end of each of the first worm and the second worm is fixedly connected to an external motor output end.
[0009] Through the above scheme, by setting the first worm gear and the second worm gear, it is possible to provide power for the rotation of the lifting sleeve and the lifting and supporting plate.
[0010] Furthermore, the two top base sleeves are fixedly connected by external bolts.
[0011] Through the above solution, by setting the external bolts, it is convenient for users to connect them.
[0012] Furthermore, the two bottom base sleeves are connected by external bolts.
[0013] Through the above solution, by setting the external bolts, it is convenient for the user to connect the bottom base sleeve.
[0014] Furthermore, the front and rear side surfaces of the two tooth plates are fixedly connected with fixing plates, and the outer surfaces of the two fixing plates are provided with first threaded holes penetrating the base sleeve.
[0015] Through the above solution, by providing the first threaded hole, it is possible to facilitate the fixing of the tooth plate and the bottom base sleeve.
[0016] Furthermore, the outer surfaces of the two bottom base sleeves are each provided with a second threaded hole.
[0017] Through the above solution, the second threaded hole is provided to facilitate the user to fix the bottom base sleeve to the beam column.
[0018] Furthermore, the outer surfaces of the two top base sleeves are each provided with a third threaded hole.
[0019] Through the above solution, the provision of the third threaded hole facilitates the user to fix the top base sleeve to the beam column.
[0020] Furthermore, the top ends of the two tooth plates are clamped with the top base sleeves adjacent thereto.
[0021] Through the above solution, the front and rear positions of the tooth plate can be limited by the clamping connection between the tooth plate and the top base sleeve.
[0022] Compared with the prior art, the technical solution of this application has the following beneficial effects:
[0023] The seismic reinforcement structure of the highway bridge can achieve the purpose of automatic climbing of the lifting sleeve by setting gears and toothed plates, thereby improving the installation convenience for users. At the same time, the self-locking property of the first worm and the first worm wheel can effectively prevent the lifting sleeve from slipping during the climbing process, thereby improving the overall safety. The second worm and the second worm wheel can be used to adjust the position of the support plate, thereby facilitating the user to flexibly adjust bridge decks of different widths and effectively support the bridge. At the same time, the setting of the top base sleeve and the bottom base sleeve can facilitate the rapid disassembly and assembly of the whole and the beams and columns. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 This is the left side view of the beam and column of this application;
[0025] Figure 2 This is the front view of the beams and columns for this application;
[0026] Figure 3 This is a top view of the top base sleeve of this application;
[0027] Figure 4 This is a cross-sectional view of the front view of the beam and column of this application.
[0028] In the figure:
[0029] 1. Beam column; 2. Bottom base sleeve; 3. Top base sleeve; 4. Tooth plate; 5. Lifting sleeve; 6. Lifting shaft; 7. Gear; 8. First worm gear; 9. Stabilizing frame; 10. First worm; 11. Adjusting shaft; 12. Support plate; 13. Second worm gear; 14. Second worm; 16. Fixing plate; 17. First threaded hole; 18. Second threaded hole; 19. Third threaded hole. DETAILED DESCRIPTION
[0030] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.
[0031] See also Figure 1 , Figure 2 and Figure 3 The seismic reinforcement structure of the highway bridge in this embodiment includes a beam column 1. The outer surface of the beam column 1 is sleeved with two symmetrical bottom base sleeves 2. The bottom base sleeves 2 are connected by external bolts. The setting of the external bolts can facilitate the user to connect the bottom base sleeves 2. The outer surfaces of the two bottom base sleeves 2 are each provided with a second threaded hole 18. The setting of the second threaded hole 18 facilitates the user to fix the bottom base sleeve 2 to the beam column 1. The top of the beam column 1 is sleeved with two symmetrically arranged top base sleeves 3. The top base sleeves 3 are fixedly connected by external bolts. The setting of the external bolts can facilitate the user to connect them. The outer surface of the top base sleeve 3 is provided with a third threaded hole 19. The setting of the third threaded hole 19 facilitates the user to fix the top base sleeve 3 to the beam column 1. The outer surfaces of the two bottom base sleeves 2 are provided with two symmetrically arranged tooth plates 4. The front and rear side surfaces of the tooth plates 4 are fixedly connected with fixing plates 16. The outer surfaces of the two fixing plates 16 are provided with first threaded holes 17 that penetrate the bottom base sleeve. The setting of the first threaded holes 17 facilitates the fixing of the tooth plates 4 to the bottom base sleeve 2. The top ends of the two tooth plates 4 are clamped with the top base sleeve 3 close to them. The front and rear positions of the tooth plates 4 can be limited by the clamping of the tooth plates 4 and the top base sleeve 3.
[0032] See also Figure 2 and Figure 4The outer surface of the beam column 1 is provided with two symmetrically arranged lifting sleeves 5, and the front and rear inner side walls of the two lifting sleeves 5 are rotatably connected with a lifting shaft 6 through bearings, the outer surfaces of the two lifting shafts 6 are fixedly connected with gears 7, and the two gears 7 are meshed with the toothed plates 4 adjacent to them, the front ends of the two lifting shafts 6 are fixedly connected with first worm gears 8, the front sides of the two lifting sleeves 5 are fixedly connected with stabilizing frames 9, and the inner bottom walls and inner top walls of the two stabilizing frames 9 are rotatably connected with first worm gears 10 through bearings, and the two first worm gears 10 are meshed with the first worm gears 8 adjacent to them.
[0033] See also Figure 1 , Figure 2 and Figure 3 The upper surfaces of the two lifting sleeves 5 are rotatably connected to two adjusting shafts 11 through bearings, the top of each adjusting shaft 11 is fixedly connected to a support plate 12, the outer surface of each adjusting shaft 11 is fixedly connected to a second worm gear 13, the upper surfaces of the two lifting sleeves 5 are rotatably connected to two second worm gears 14 through bearings, each second worm gear 14 is meshed and connected with the second worm gear 13 adjacent to it, one end of the first worm gear 10 and the second worm gear 14 are fixedly connected to the external motor output end, and through the arrangement of the first worm gear 10 and the second worm gear 14, it is possible to provide power for the climbing of the lifting sleeve 5 and the rotation of the support plate 12.
[0034] The seismic reinforcement structure of the highway bridge in this embodiment can achieve the purpose of automatic climbing of the lifting sleeve 5 by setting the gear 7 and the tooth plate 4, thereby improving the installation convenience of the user. At the same time, the self-locking property of the first worm 10 and the first worm wheel 8 can effectively prevent the lifting sleeve 5 from slipping during the climbing process, thereby improving the overall safety. The second worm 14 and the second worm wheel 13 can be used to adjust the position of the support plate 12, thereby facilitating the user to flexibly adjust the bridge deck of different widths and effectively support the bridge. At the same time, the setting of the top base sleeve and the bottom base sleeve can facilitate the rapid disassembly and assembly of the whole and the beam column 1.
[0035] It should be noted that the length of the tooth plate 4 is installed according to the actual length of the beam column 1 .
[0036] The working principle of the above embodiment is as follows: when in use, the top base sleeve 3 and the bottom base sleeve 2 are sleeved with the beam column 1, and the two top base sleeves 3 and the two bottom base sleeves 2 are connected by external bolts, and then the tooth plate 4 is connected to the bottom base sleeve 2, the gears 7 of the two lifting sleeves 5 are meshed with the tooth plate 4, and the two lifting sleeves 5 are connected, and the external motor is started to drive the first worm 10 to rotate, and the first worm 10 drives the first worm wheel 8 and the lifting shaft 6 to rotate, thereby driving the gear 7 to roll on the tooth plate 4 and driving the whole to move upward, and by driving the second worm 14 to rotate, the second worm wheel 13 and the adjusting shaft 11 are driven to rotate, and the support point of the support plate 12 is adjusted, which can effectively adapt to different bridge decks, and the support plate 12 is in contact with the bottom of the bridge to achieve the effect of strengthening the bridge.
[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.
[0038] Although the embodiments of the present application 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 application, and that the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. The seismic reinforcement structure of a highway bridge includes beams and columns (1), Features: The outer surface of the beam column (1) is sleeved with two symmetrical bottom base sleeves (2), the top of the beam column (1) is sleeved with two symmetrically arranged top base sleeves (3), and the outer surfaces of the two bottom base sleeves (2) are each provided with two symmetrically arranged tooth plates (4); The outer surface of the beam column (1) is provided with two symmetrically arranged lifting sleeves (5), the front and rear inner side walls of the two lifting sleeves (5) are rotatably connected to a lifting shaft (6) via a bearing, the outer surfaces of the two lifting shafts (6) are fixedly connected to a gear (7), the two gears (7) are meshingly connected to a toothed plate (4) adjacent thereto, the front ends of the two lifting shafts (6) are fixedly connected to a first worm gear (8), the front faces of the two lifting sleeves (5) are fixedly connected to a stabilizing frame (9), the inner bottom walls and the inner top walls of the two stabilizing frames (9) are rotatably connected to a first worm gear (10) via a bearing, and the two first worm gears (10) are meshingly connected to a first worm gear (8) adjacent thereto; The upper surfaces of the two lifting sleeves (5) are rotatably connected to two adjustment shafts (11) via bearings, the top end of each adjustment shaft (11) is fixedly connected to a support plate (12), the outer surface of each adjustment shaft (11) is fixedly connected to a second worm gear (13), and the upper surfaces of the two lifting sleeves (5) are rotatably connected to two second worm gears (14) via bearings, and each second worm gear (14) is meshingly connected to a second worm gear (13) adjacent to it.
2. The seismic reinforcement structure for a highway bridge according to claim 1, Features: One end of each of the first worm (10) and the second worm (14) is fixedly connected to an external motor output end.
3. The seismic reinforcement structure for a highway bridge according to claim 1, Features: The two top base sleeves (3) are fixedly connected by external bolts.
4. The seismic reinforcement structure for a highway bridge according to claim 1, Features: The two bottom base sleeves (2) are connected via external bolts.
5. The seismic reinforcement structure for a highway bridge according to claim 1, Features: The front and rear side surfaces of the two tooth plates (4) are fixedly connected to fixing plates (16), and the outer surfaces of the two fixing plates (16) are provided with first threaded holes (17) penetrating the base sleeve.
6. The seismic reinforcement structure for a highway bridge according to claim 1, Features: Second threaded holes (18) are provided on the outer surfaces of the two bottom base sleeves (2).
7. The seismic reinforcement structure for a highway bridge according to claim 1, Features: The outer surfaces of the two top base sleeves (3) are each provided with a third threaded hole (19).
8. The seismic reinforcement structure for a highway bridge according to claim 1, Features: The top ends of the two tooth plates (4) are both clamped with the top base sleeves (3) adjacent thereto.
