Intelligent bridge expansion device
By adopting a combination design of multi-layer waterproof strips and support structures in the intelligent bridge expansion joint, the problem of easy detachment of single-layer waterstop strips is solved, achieving waterproof and buffer functions, and improving the service life and stability of the device.
Patent Information
- Application Number
- CN202520051776.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-01-09
AI Technical Summary
Existing intelligent bridge expansion joints are prone to detachment when using single-layer sealing waterstops, leading to water leakage and affecting the service life of the pressure bearings.
It adopts a multi-layer waterproof structure, including an upper waterstop and a lower waterstop, combined with a support base, a support beam and a rubber pad. The combination of multiple waterproof strips and support structure achieves waterproof and cushioning functions and prevents detachment.
This improves the service life of intelligent bridge expansion joints, prevents damage to the support structure caused by detachment, and ensures the stability and durability of the joints.
Smart Images

Figure CN223688781U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bridge expansion technology field especially, relate to a kind of intelligent bridge expansion device. BACKGROUND
[0002] In recent years, with the increase of urbanization and traffic flow, traditional bridge design and construction methods have not fully met the demand, the development of intelligent bridge expansion device benefits from the progress of advanced material science, sensing technology, automation control system and engineering design, the combination of these technologies makes the bridge can more flexibly adapt to different traffic load and environmental conditions, thereby improving the use efficiency and safety of bridge, in engineering implementation, the design of intelligent bridge expansion device considers multiple factors, including the stability of structure, the durability of material, the reliability of system and the convenience of maintenance, these devices usually involve complex engineering calculation and simulation to ensure its reliability and safety under different conditions.
[0003] At present, most of the intelligent bridge expansion devices on the market are usually only single-layer sealing water stop belt when in use, which is easy to fall off during the bridge expansion process, thereby causing the intelligent bridge expansion device to leak, since the bottom of the intelligent bridge expansion device is a pressure bearing support, which will affect the use of the pressure bearing support, thereby reducing the service life of the pressure bearing support and the intelligent bridge expansion device. SUMMARY
[0004] This section aims to outline some aspects of the embodiments of the present utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.
[0005] In view of the above problems existing in the prior art intelligent bridge expansion device, the present utility model is proposed.
[0006] Therefore, the purpose of the present utility model is to provide an intelligent bridge expansion device, which is suitable for solving the problem that the intelligent bridge expansion device usually only uses single-layer sealing water stop belt when in use, which is easy to fall off during the bridge expansion process.
[0007] To solve the above technical problems, the present utility model provides the following technical scheme: an intelligent bridge expansion device, comprising:
[0008] The bridge main unit comprises a left side beam, a middle beam fixedly connected to one side of the left side beam, and a right side beam fixedly connected to the side of the middle beam away from the left side beam, a plurality of evenly distributed anchor steel plates are fixedly installed on the side walls of the left side beam and the right side beam away from the middle beam, a reinforcing bar is fixedly connected to each anchor steel plate, and a plurality of drainage grooves are fixedly arranged on the left side beam, the right side beam and the middle beam.
[0009] The waterproof expansion unit comprises a plurality of circular clamping grooves symmetrically and fixedly arranged on the side walls of the middle beam away from the center, two circular clamping grooves are fixedly arranged on the side wall of the left side beam close to the middle beam, two circular clamping grooves are fixedly arranged on the side wall of the right side beam close to the middle beam, an upper water stop belt is fixedly connected in the circular clamping groove fixedly arranged on the upper end of the middle beam, the upper end of the upper water stop belt is fixedly connected with the circular clamping grooves on the upper ends of the left side beam and the right side beam away from the middle beam, a lower water stop belt is fixedly connected in the circular clamping groove fixedly arranged on the lower end of the middle beam, the lower end of the lower water stop belt is fixedly connected with the circular clamping grooves on the lower ends of the left side beam and the right side beam away from the middle beam, a plurality of evenly distributed support seats are fixedly connected to the bottoms of the left side beam and the right side beam, a displacement box is slidingly connected to the bottom of each support seat, a first support plate is symmetrically fixedly connected to the inner bottom of each displacement box, a first rubber pad is fixedly installed on the first support plate, a support cross beam is fixedly connected to the upper end of the first rubber pad, a second support plate is symmetrically fixedly connected to the upper end of the support cross beam, and a second rubber pad is fixedly installed on each second support plate.
[0010] As a preferred scheme of the intelligent bridge expansion device, the support seat is L-shaped, and the support seat is made of manganese steel.
[0011] As a preferred scheme of the intelligent bridge expansion device, the upper water stop belt and the lower water stop belt are fixedly connected between the left side beam, the middle beam and the right side beam, the upper water stop belt and the lower water stop belt are made of rubber material, and the upper water stop belt and the lower water stop belt are in a loose state.
[0012] As a preferred scheme of the intelligent bridge expansion device, the upper end of each support cross beam is fixedly connected with the bottom of the middle beam, and the length of the support cross beam is less than the length of the inner wall of the displacement box.
[0013] As a preferred scheme of the intelligent bridge expansion device, limit stop blocks are symmetrically fixedly connected to the two sides of the inner wall of the displacement box, and the limit stop blocks are arc-shaped on the side close to the support cross beam.
[0014] As a preferred scheme of the intelligent bridge expansion joint, each support seat position is matched with the second rubber pad position, and a square opening is formed in the upper end of the displacement box.
[0015] The intelligent bridge expansion joint has the advantages that when the intelligent bridge expansion joint works, the fixedly connected upper water stop belt is waterproofed by the left beam and the middle beam, when the upper water stop belt is damaged by external force, the lower water stop belt plays a waterproof role, when a vehicle travels on the upper end of the intelligent bridge expansion joint, the middle beam is extruded, the first rubber pad fixedly connected to the bottom of the support cross beam is extruded due to the fact that the middle beam is fixedly connected with the support cross beam, the first rubber pad and the second rubber pad are fixedly connected to the upper end of the support cross beam due to the fact that the left beam and the right beam are fixedly connected with the support seat, the first rubber pad and the second rubber pad are extruded to realize buffering, when the displacement box is turned with the beam body, the support cross beam is not damaged due to the first rubber pad and the second rubber pad, the service life of the intelligent bridge expansion joint is prolonged, the relative displacement of the support cross beam and the first support plate is effectively ensured due to the fact that the limiting stoppers are fixedly connected to the inner side walls of the displacement box, the support cross beam and the first support plate are prevented from falling off from the displacement box, and the phenomenon that the middle beam is sunken is prevented. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort. Among them:
[0017] Figure 1 The present application provides an overall structure schematic view of an intelligent bridge expansion joint.
[0018] Figure 2 The present application provides an internal structure schematic view of an intelligent bridge expansion joint.
[0019] BRIEF DESCRIPTION OF DRAWINGS: 100, a bridge main unit, 101, a left beam, 102, a right beam, 103, a middle beam, 104, an anchor steel plate, 105, a steel bar, 106, a drainage groove, 200, a waterproof expansion joint, 201, a circular clamping groove, 202, an upper water stop belt, 203, a lower water stop belt, 204, a support seat, 205, a displacement box, 206, a first support plate, 207, a first rubber pad, 208, a support cross beam, 209, a second support plate, 210, a second rubber pad, and 211, a limiting stopper. DETAILED DESCRIPTION
[0020] In order to make the above objects, features and advantages of the present application more obvious, the specific embodiments of the present application are described in detail below with reference to the accompanying drawings.
[0021] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced without the specific details, other than those described herein, and the scope of the present application is not limited to the details described herein.
[0022] Secondly, the "one embodiment" or "embodiment" referred to herein can include specific features, structures or characteristics contained in at least one implementation of the present application. In this specification, "in one embodiment" does not mean the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments.
[0023] Thirdly, the present application is described in detail in conjunction with the schematic diagram. In the detailed description of the embodiments of the present application, the cross-sectional view of the device structure is partially enlarged without the general proportion for the convenience of description, and the schematic diagram is only an example, which should not limit the scope of protection of the present application. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual production.
[0024] Referring to Figure 1 -2, an intelligent bridge expansion device is provided, comprising a bridge main unit 100 and a waterproof expansion unit 200.
[0025] The bridge main unit 100 comprises a left beam 101 and a middle beam 103 fixedly connected to one side of the left beam 101. The right beam 102 is fixedly connected to the side of the middle beam 103 away from the left beam 101. The left beam 101 and the right beam 102 are fixedly installed with a plurality of evenly distributed anchor steel plates 104 on the side wall away from the middle beam 103. Each anchor steel plate 104 is fixedly connected with a steel bar 105. A plurality of drainage grooves 106 are fixedly provided on the left beam 101, the right beam 102 and the middle beam 103.
[0026] The waterproof telescopic unit 200 comprises a plurality of circular clamping grooves 201 symmetrically and fixedly arranged on the side walls of the middle beam 103 away from the center, two circular clamping grooves 201 fixedly arranged on the side wall of the left beam 101 close to the middle beam 103, two circular clamping grooves 201 fixedly arranged on the side wall of the right beam 102 close to the middle beam 103, an upper water stop belt 202 fixedly connected in the circular clamping groove 201 fixedly arranged on the upper end of the middle beam 103, and the upper water stop belt 202 fixedly connected with the circular clamping grooves 201 on the upper ends of the left beam 101 and the right beam 102 away from the middle beam 103; a lower water stop belt 203 fixedly connected in the circular clamping groove 201 fixedly arranged on the lower end of the middle beam 103, and the lower water stop belt 203 fixedly connected with the circular clamping grooves 201 on the lower ends of the left beam 101 and the right beam 102 away from the middle beam 103; and the upper water stop belt 202 and the lower water stop belt 203 are made of rubber material.
[0027] The upper water stop belt 202 and the lower water stop belt 203 are in a loose state, the left beam 101 and the right beam 102 are fixedly connected with a plurality of support seats 204 evenly distributed at the bottom, the support seat 204 is in an L shape, the support seat 204 is made of manganese steel material, the bottom of each support seat 204 is slidingly connected with a displacement box 205, the bottom of each displacement box 205 is symmetrically fixedly connected with a first support plate 206, the first support plate 206 is fixedly installed with a first rubber pad 207, the first rubber pad 207 is fixedly connected with a support cross beam 208 at the upper end, the upper end of each support cross beam 208 is fixedly connected with the bottom of the middle beam 103, the length of the support cross beam 208 is less than the length of the inner wall of the displacement box 205, the upper end of the support cross beam 208 is symmetrically fixedly connected with a second support plate 209, the second support plate 209 is fixedly installed with a second rubber pad 210, the position of each support seat 204 matches the position of the second rubber pad 210, a square opening is arranged at the upper end of the displacement box 205, and limiting stoppers 211 are symmetrically fixedly connected to the inner walls of the displacement box 205, and the limiting stoppers 211 are arranged in a circular arc shape close to the side of the support cross beam 208.
[0028] During use, when the intelligent bridge telescopic device works, the upper water stop belt 202 fixedly connected with the left beam 101 and the middle beam 103 performs waterproof treatment on the intelligent bridge telescopic device, when the upper water stop belt 202 is damaged by external force, the lower water stop belt 203 plays a waterproof role, when a vehicle travels on the upper end of the intelligent bridge telescopic device, the middle beam 103 is squeezed, the support cross beam 208 fixedly connected to the bottom of the middle beam 103 is squeezed, the first rubber pad 207 fixedly connected to the bottom of the support cross beam 208 is squeezed, the left beam 101 and the right beam 102 are fixedly connected with the support seat 204 at the bottom;
[0029] The second rubber pad 210 is symmetrically fixed and connected to the upper end of the supporting cross beam 208, so as to realize buffering by extruding the second rubber pad 210, when the displacement box 205 generates a corner with the beam body, the supporting cross beam 208 will not be damaged by the first rubber pad 207 and the second rubber pad 210, so as to improve the service life of the intelligent bridge expansion device, the limiting stopper 211 symmetrically fixed and connected to the inner side wall of the displacement box 205 can effectively guarantee the relative displacement of the supporting cross beam 208 and the first supporting plate 206, so as to prevent the supporting cross beam 208 and the first supporting plate 206 from falling off from the displacement box 205, so as to prevent the phenomenon of the middle beam 103 sinking.
[0030] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, not to limit it. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the present application. They should be covered in the scope of the claims of the present application.
Claims
1. An intelligent bridge expansion joint comprising: Include: Bridge main unit (100), including left beam (101) and fixedly connected to the left beam (101) one side of the middle beam (103), the middle beam (103) is fixedly connected with the right beam (102) away from the left beam (101) one side, the left beam (101) and the right beam (102) are fixedly installed with a plurality of evenly distributed anchor steel plate (104) on the side wall away from the middle beam (103) side, each anchor steel plate (104) is fixedly connected with a reinforcing steel bar (105), the left beam (101), the right beam (102) and the middle beam (103) are fixedly provided with a plurality of drainage grooves (106); Waterproof expansion unit (200), including a plurality of circular clamping grooves (201) fixedly provided on the side wall of the middle beam (103) away from the center, two circular clamping grooves (201) are fixedly provided on the side wall of the left beam (101) close to the middle beam (103), two circular clamping grooves (201) are fixedly provided on the side wall of the right beam (102) close to the middle beam (103), the circular clamping groove (201) fixedly provided on the upper end of the middle beam (103) is fixedly connected with an upper water stop belt (202), the upper end of the left beam (101) and the right beam (102) is fixedly connected with the circular clamping groove (201) away from the middle beam (103) one end of the upper water stop belt (202), the circular clamping groove (201) fixedly provided on the lower end of the middle beam (103) is fixedly connected with a lower water stop belt (203), the lower end of the left beam (101) and the right beam (102) is fixedly connected with the circular clamping groove (201) away from the middle beam (103) one end of the lower water stop belt (203), a plurality of evenly distributed support seats (204) are fixedly connected to the bottom of the left beam (101) and the right beam (102), each support seat (204) is slidingly connected with a displacement box (205), a first support plate (206) is fixedly connected in the bottom of each displacement box (205), a first rubber pad (207) is fixedly installed on the first support plate (206), a support cross beam (208) is fixedly connected to the upper end of the first rubber pad (207), a second support plate (209) is fixedly connected to the upper end of the support cross beam (208), and a second rubber pad (210) is fixedly installed on each second support plate (209).
2. The intelligent bridge expansion joint of claim 1, wherein: The support seat (204) is L-shaped, and the support seat (204) is made of manganese steel material.
3. The intelligent bridge expansion joint of claim 1, wherein: The left beam (101), the middle beam (103) and the right beam (102) are fixedly connected with the upper water stop belt (202) and the lower water stop belt (203), the upper water stop belt (202) and the lower water stop belt (203) are made of rubber material, and the upper water stop belt (202) and the lower water stop belt (203) are in loose state.
4. The intelligent bridge expansion joint of claim 1, wherein: The upper end of each support cross beam (208) is fixedly connected with the bottom of the middle beam (103), and the length of the support cross beam (208) is less than the length of the inner wall of the displacement box (205).
5. The intelligent bridge expansion joint of claim 1, wherein: Symmetrically fixed limit stop (211) is connected to both sides of the inner wall of the displacement box (205), and the limit stop (211) is arranged in a circular arc shape near one side of the support beam (208).
6. The intelligent bridge expansion joint of claim 1, wherein: Each support seat (204) is matched with the position of the second rubber pad (210), and a square opening is formed in the upper end of the displacement box (205).