Connecting structure of bridge expansion joint
By employing a combined structure of connectors, steel blocks, fasteners, and rubber expansion joints in bridge expansion joints, the safety hazards and low strength issues of comb-type bridge expansion joints have been resolved, resulting in a bridge expansion joint structure with high safety and long service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2026-03-20
AI Technical Summary
Existing comb-type bridge expansion joints often develop protruding comb teeth after prolonged use, posing a safety hazard. Furthermore, the steel reinforcement connections have low strength and a short service life.
The structure adopts a combination of connectors, steel blocks, first fixing parts and second fixing parts, and uses rubber telescopic parts and reinforcing ribs. Combined with the design of sliding grooves and sliders, it realizes the stable sliding of telescopic parts and drainage function. Reinforcing ribs are set between steel blocks to increase strength.
It improves the safety and service life of bridge expansion joints, avoids bulging of expansion structures, and provides stable and comfortable passage performance as well as convenient drainage and cleaning functions.
Smart Images
Figure CN224016127U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bridge expansion joint technical field, concretely is a kind of connecting structure of bridge expansion joint. BACKGROUND
[0002] Bridge expansion joint refers to for the requirement of bridge deck deformation, expansion joint is usually set between two beam ends, beam end and abutment or hinged position of bridge, requires expansion joint in parallel, vertical to the two directions of bridge axis, can freely expand, firm and reliable, when vehicle drives, it should be smooth, without sudden jump and noise;It can prevent rainwater and garbage soil from seeping in and blocking;It is simple and convenient to install, check, maintain, eliminate dirt.
[0003] The existing comb tooth type bridge expansion joint has the problem of comb tooth protrusion after long-term use, which has safety hazards, and the existing bridge expansion joint uses steel bar connection pouring on both sides of the pouring part, which has low strength and short service life, therefore, the connecting structure of bridge expansion joint is provided. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a connecting structure of bridge expansion joint to solve the problem of the existing comb tooth type bridge expansion joint in the background art, which has the problem of comb tooth protrusion after long-term use, which has safety hazards, and the existing bridge expansion joint uses steel bar connection pouring on both sides of the pouring part, which has low strength and short service life.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a connecting structure of bridge expansion joint, which comprises a connecting piece, a steel block, a first fixing piece and a second fixing piece, the steel block is fixedly connected to the left and right side walls of the connecting piece and arranged in order from front to back, the first fixing piece is fixedly connected to the right side of the inner side wall of the connecting piece, the second fixing piece is fixedly connected to the left side of the inner side wall of the connecting piece, the inner cavity right side wall of the first fixing piece is fixedly connected with an expansion piece, the top of the expansion piece is provided with a first drain hole arranged in order from front to back, the bottom right side of the inner cavity of the first fixing piece is provided with a second drain hole arranged in order from front to back, the bottom right side of the first fixing piece is fixedly connected with a connecting column arranged in order from front to back, the bottom left side of the inner cavity of the first fixing piece is fixedly connected with a displacement sliding block, the right side wall of the second fixing piece is provided with a first sliding groove, and the bottom of the second fixing piece is provided with a second sliding groove.
[0006] Further description of the above technical scheme:
[0007] The inner cavity of the steel block is fixedly connected with a first reinforcing rib between the connecting piece, and the inner side of the steel block is fixedly connected with a second reinforcing rib.
[0008] As a further description of the above technical solutions:
[0009] The shape of the steel block is semicircular.
[0010] As a further description of the above technical solutions:
[0011] The telescopic member is made of rubber material.
[0012] As a further description of the above technical solutions:
[0013] The left end of the telescopic member is slidingly connected to the inner cavity of the first sliding groove, and the two ends of the connecting column are fixedly connected between the first fixing members.
[0014] As a further description of the above technical solutions:
[0015] The displacement sliding block is slidingly connected to the inner cavity of the second sliding groove.
[0016] Compared with the prior art, the bridge expansion joint connection structure has the advantages that:
[0017] 1. The bridge expansion joint connection structure has the advantages that the first fixing member is arranged between the connecting members to fix the telescopic member, the telescopic member made of rubber material slides in the first sliding groove on the second fixing member, and the displacement sliding block is supported by the second sliding groove, so that the bridge expansion joint connection structure is stable, comfortable and convenient to drain and clean, and has high safety and no telescopic structure protrusion compared with the comb tooth type bridge expansion joint.
[0018] 2. The bridge expansion joint connection structure has the advantages that a plurality of semicircular steel blocks are arranged on the connecting member, the first and second reinforcing ribs are arranged between the steel blocks, the contact area is large during pouring and paving, the strength is high, and the service life is long. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 The utility model provides a kind of bridge expansion joint connection structure's three-dimensional structure schematic view;
[0020] Figure 2 The utility model provides a kind of bridge expansion joint connection structure's main view sectional structure schematic view;
[0021] Figure 3 The utility model provides a kind of bridge expansion joint connection structure's right view structure schematic view;
[0022] Figure 4 The utility model provides a kind of bridge expansion joint connection structure's Figure 2 Amplification structure schematic view of place A.
[0023] In the figure: 100, connecting piece; 200, steel block; 210, first reinforcing rib; 220, second reinforcing rib; 300, first fixing piece; 310, telescopic piece; 320, first drainage hole; 330, second drainage hole; 340, connecting column; 350, displacement sliding block; 400, second fixing piece; 410, first sliding groove; 420, second sliding groove. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0025] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the features limited as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified and limited, the term "a plurality of" means two or more.
[0026] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0027] The present application provides a connecting structure of bridge expansion joint, which will not have the protruding condition of expansion structure, has high safety, high strength and long service life, please refer to Figures 1-4 , which comprises a connecting piece 100, a steel block 200, a first fixing piece 300 and a second fixing piece 400.
[0028] Please refer to Figures 1-3The connecting piece 100 is used for connecting and fixing the steel blocks 200, the first fixing pieces 300 and the second fixing pieces 400.
[0029] Please refer again to Figures 1-3 The steel blocks 200 are fixedly connected to the left and right side walls of the connecting piece 100 and are arranged in sequence from front to back, and the steel blocks 200 are used for connecting the connecting piece 100.
[0030] Please refer again to Figure 2 and Figure 4 The inner cavity of the first fixing piece 300 is fixedly connected with the telescopic piece 310, the top of the telescopic piece 310 is provided with the first drainage hole 320 arranged in sequence from front to back, the bottom right side of the inner cavity of the first fixing piece 300 is provided with the second drainage hole 330 arranged in sequence from front to back, the bottom right side of the first fixing piece 300 is fixedly connected with the connecting column 340 arranged in sequence from front to back, and the bottom left side of the inner cavity of the first fixing piece 300 is fixedly connected with the displacement sliding block 350. The first fixing piece 300 is fixedly connected to the right side of the inner side wall of the connecting piece 100, the first fixing piece 300 is used for connecting and fixing the telescopic piece 310, the telescopic piece 310 is used for blocking dirt, the first drainage hole 320 and the second drainage hole 330 are used for water guiding, the connecting column 340 is used for connecting a plurality of first fixing pieces 300, and the displacement sliding block 350 is used for sliding in the second sliding groove 420 to realize telescopic expansion.
[0031] Please refer again to Figure 2 and Figure 4 The right side wall of the second fixing piece 400 is provided with the first sliding groove 410, and the bottom of the second fixing piece 400 is provided with the second sliding groove 420. The second fixing piece 400 is fixedly connected to the left side of the inner side wall of the connecting piece 100, and the second fixing piece 400 is used for connecting and sliding the first fixing piece 300.
[0032] In summary: by arranging the first fixing piece 300 between the connecting pieces 100, the first fixing piece 300 is connected and fixed with the telescopic piece 310, the telescopic piece 310 made of rubber material is used for sliding on the first sliding groove 410 of the second fixing piece 400, and the displacement sliding block 350 is used for telescopic expansion in the second sliding groove 420, so that the advantages of stable and comfortable passing, convenient drainage and cleaning are achieved. Compared with the comb tooth type bridge expansion joint, the telescopic structure does not exist in the protruding state, and the safety is high.
[0033] Please refer again to Figures 1-3 The first reinforcing rib 210 is fixedly connected between the inner cavity of the steel block 200 and the connecting piece 100, and the second reinforcing rib 220 is fixedly connected between the inner sides of the steel block 200.
[0034] Please refer again to Figures 1-2 The shape of the steel block 200 is semicircular.
[0035] Please refer againFigure 2 And Figure 4 The telescopic piece 310 is made of rubber.
[0036] Please refer to Figure 2 And Figure 4 The left end of the telescopic piece 310 is slidingly connected to the inner cavity of the first sliding groove 410, and the two ends of the connecting column 340 are fixedly connected between the first fixed piece 300.
[0037] Please refer to Figure 2 And Figure 4 The displacement sliding block 350 is slidingly connected to the inner cavity of the second sliding groove 420.
[0038] In summary: by arranging a plurality of semicircular steel blocks 200 on the connecting piece 100, and arranging the first reinforcing rib 210 and the second reinforcing rib 220 between the steel blocks 200, the contact area is large, the strength is high, and the service life is long during pouring and paving.
[0039] In specific use, the person skilled in the art places the steel block 200 in the reserved port and the connecting piece 100 at the bridge joint, pours and paves cement on the reserved port, and completes the installation.
[0040] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0041] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.
Claims
1. A connection structure for bridge expansion joints, characterized in that: The device includes a connector (100), a steel block (200), a first fixing member (300), and a second fixing member (400). The steel block (200) is fixedly connected to the left and right side walls of the connector (100) and arranged sequentially from front to back. The first fixing member (300) is fixedly connected to the right side of the inner side wall of the connector (100), and the second fixing member (400) is fixedly connected to the left side of the inner side wall of the connector (100). A telescopic member (310) is fixedly connected to the right side wall of the inner cavity of the first fixing member (300). The top of the telescopic member (310) is... The first fixing member (300) has a first drainage hole (320) arranged from front to back. The second fixing member (300) has a second drainage hole (330) arranged from front to back on the bottom right side of the inner cavity. The first fixing member (300) has a connecting post (340) fixedly connected to the bottom right side of the inner cavity, arranged from front to back. The first fixing member (300) has a displacement slider (350) fixedly connected to the bottom left side of the inner cavity. The second fixing member (400) has a first sliding groove (410) on the right side wall and a second sliding groove (420) on the bottom of the second fixing member (400).
2. The connection structure of a bridge expansion joint according to claim 1, characterized in that: A first reinforcing rib (210) is fixedly connected between the inner cavity of the steel block (200) and the connector (100), and a second reinforcing rib (220) is fixedly connected between the inner sides of the steel block (200).
3. The connection structure of a bridge expansion joint according to claim 1, characterized in that: The steel block (200) is semi-circular in shape.
4. The connection structure of a bridge expansion joint according to claim 1, characterized in that: The telescopic component (310) is made of rubber.
5. The connection structure of a bridge expansion joint according to claim 1, characterized in that: The left end of the telescopic member (310) is slidably connected to the inner cavity of the first slide groove (410), and the two ends of the connecting column (340) are fixedly connected between the first fixing members (300).
6. The connection structure of a bridge expansion joint according to claim 1, characterized in that: The displacement slider (350) is slidably connected to the inner cavity of the second groove (420).