Self-cleaning noise-reducing rubber waterstop for modular bridge expansion device
By using a camel-hump-shaped rubber waterstop and a fixed steel reinforcement structure in the modular bridge expansion joint, the problems of clogging and short lifespan in the existing technology are solved, and the self-cleaning and noise reduction effects are improved, ensuring structural stability and sealing.
Patent Information
- Application Number
- CN202520073560.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-01-13
AI Technical Summary
Existing modular bridge expansion joints using self-cleaning noise-reducing rubber waterstops have large gaps, making it difficult to prevent sand and gravel from clogging them. This requires manual cleaning, which wastes labor costs. Furthermore, the V-shaped rubber strips have a short lifespan and poor noise reduction effect.
The rubber waterstop with a camel-hump-shaped design, combined with fixed steel bars, anchor rings, anchor plates and crack-resistant steel mesh, enhances the overall strength and stability. The camel-hump-shaped strip and V-groove in the rubber waterstop prevent clogging and extend service life, while also improving noise reduction.
It effectively prevents sand and gravel from clogging the bridge, reduces the need for manual cleaning, extends the service life of the rubber waterstop, improves noise reduction performance, ensures structural stability and sealing, and adapts to bridge expansion and contraction.
Smart Images

Figure CN223675141U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to highway bridge facility technical field especially relates to a module formula bridge expansion joint device is with self -cleaning noise reduction rubber waterstop. BACKGROUND
[0002] Module formula expansion joint device is a kind of expansion joint device applied to the engineering structure in bridge and road, design and manufacture according to certain module, can adapt to the expansion deformation demand caused by temperature change and concrete shrinkage and creep and vehicle load factor of structure, by reasonable structure, change the length of itself flexibly in certain range, to ensure that structure can still maintain good continuity and integrity when generating displacement, avoid the case of damage or influence normal use function,
[0003] Module formula bridge expansion joint device is with self -cleaning noise reduction rubber waterstop It is a kind of functional rubber component specially applied to module formula bridge expansion joint device, and the expansion joint device usually adopts V-shaped structure rubber waterstop, but the existing module formula bridge expansion joint device is with self -cleaning noise reduction rubber waterstop Large gap, it is difficult to prevent sand and gravel from blocking and damaging, manual cleaning is required, waste labor cost, time-consuming and cause traffic congestion and safety hazard, while the service life of V-shaped rubber strip is short, and the noise reduction effect is poor. UTILITY MODEL CONTENTS
[0004] In order to make up for the above shortcomings, the utility model provides a module formula bridge expansion joint device is with self -cleaning noise reduction rubber waterstop, to improve the problem of large gap in prior art, it is difficult to prevent sand and gravel from blocking and damaging, manual cleaning is required, waste labor cost, time-consuming and cause traffic congestion and safety hazard, while the service life of V-shaped rubber strip is short, and the noise reduction effect is poor.
[0005] In order to realize the above purpose, the utility model adopts the following technical scheme: a module formula bridge expansion joint device is with self -cleaning noise reduction rubber waterstop, including concrete one, the inner wall left and right sides of concrete one are fixedly connected with bridge body, the inner wall of concrete one is fixedly connected with fixed steel bar at equal intervals, the outer wall top of fixed steel bar is fixedly connected with anchor ring, the inner wall bottom of anchor ring is fixedly connected with horizontal steel bar, the outer wall top of a plurality of anchor rings is fixedly connected with anchor plate, the inner wall adjacent side of anchor plate is fixedly connected with expansion joint edge beam, the outer wall top of expansion joint edge beam is fixedly connected with anti-cracking steel mesh, the outer wall top of anti-cracking steel mesh is fixedly connected with concrete two, concrete two is fixedly connected on the outer wall side away from expansion joint edge beam, the inner wall adjacent side of expansion joint edge beam is equipped with installation groove, the inner wall of installation groove is installed with rubber waterstop.
[0006] Further description of the above technical scheme:
[0007] The V-shaped groove is arranged in the middle of the inner wall of the rubber waterstop, the rubber waterstop is symmetrically arranged left and right, and the upper part of the rubber waterstop is in a hump-shaped structure.
[0008] As a further description of the above technical solution:
[0009] The outer wall top of the rubber waterstop is provided with a 1mm spacing from the top end of the shaped steel.
[0010] As a further description of the above technical solution:
[0011] The outer wall top of the rubber waterstop is fixedly connected with a hump-shaped belt.
[0012] As a further description of the above technical solution:
[0013] The outer wall top of the hump-shaped belt is fixedly connected with a wheel contact belt.
[0014] As a further description of the above technical solution:
[0015] The rubber waterstop is internally provided with a fan-shaped middle hole with a semicircular upper part and a V-shaped lower part.
[0016] The utility model has the following beneficial effects:
[0017] 1、 the rubber strip structure of the novel hump-shaped belt in the utility model can be applied to all modular bridge expansion joints, the overall rubber strip is provided with a hump-shaped design structure with a belt on the original V-shaped structure, the problems of damage of the rubber strip, water leakage, loss of water stopping function and other diseases of the bridge and expansion joint under the repeated rolling force of the vehicle are better solved, the protection of the upper hump structure on the lower V-shaped structure greatly reduces the problems of accelerated aging of the rubber waterstop caused by sun exposure and rain and damage of the water stopping belt caused by rolling of the vehicle, the service life of the water stopping belt is better prolonged, the design of the self-cleaning maintenance-free noise reduction rubber water stopping belt fan-shaped middle hole also improves the effect of noise isolation.
[0018] 2. The utility model discloses a concrete one strengthens the overall strength through fixed reinforcement, promotes resistance external force and carrying capacity, and the fixed reinforcement top connects the anchoring ring, and the anchoring ring is combined with the cross -steel bar, and the anchoring structure stability is strengthened, and a plurality of anchoring ring top connects the anchoring plate, and the structure system coordination stress is ensured, and the anchoring plate inner wall connects the expansion joint boundary beam, avoids the structure damage, and the expansion joint boundary beam top connects the anti -crack steel mesh, and the concrete structure is protected, and the anti -crack steel mesh top connects concrete no. 2, and the overallity and stability are strengthened, and the expansion joint boundary beam inner wall sets up the mounting groove, and the inner wall installs the rubber waterstop, and the symmetrical design disperses the stress, and the load is evenly transferred, and the rubber waterstop upper fixed hump -like band improves the problem that modulus formula bridge expansion device is easy to block. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 A perspective view of the self-cleaning noise-reducing rubber waterstop for the modulus formula bridge expansion device is provided for the utility model;
[0020] Figure 2 A structural schematic view of the self-cleaning noise-reducing rubber waterstop for the modulus formula bridge expansion device is provided for the utility model;
[0021] Figure 3 A partial structural section view of the self-cleaning noise-reducing rubber waterstop for the modulus formula bridge expansion device is provided for the utility model;
[0022] Figure 4 A partial structural exploded view of the self-cleaning noise-reducing rubber waterstop for the modulus formula bridge expansion device is provided for the utility model.
[0023] LEGEND:
[0024] 1, concrete one, 2, wheel contact band, 3, bridge body, 4, fixed reinforcement, 5, anchoring ring, 6, cross -steel bar, 7, anchoring plate, 8, expansion joint boundary beam, 9, anti -crack steel mesh, 10, concrete no. 2, 11, mounting groove, 12, rubber waterstop, 13, hump -like band, 14, V -shaped groove. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0026] REFERENCE Figure 1 , Figure 3 and Figure 4The utility model provides an embodiment: a kind of self-cleaning noise reduction rubber waterstop for analog bridge expansion joint, including concrete one 1, the inner wall left and right sides of concrete one 1 are fixedly connected bridge body 3, the inner wall of concrete one 1 is equidistantly fixedly connected with fixed reinforcement 4, the outer wall top of fixed reinforcement 4 is fixedly connected with anchor ring 5, the inner wall bottom of anchor ring 5 is fixedly connected with cross steel bar 6, the outer wall top of multiple anchor rings 5 is fixedly connected with anchor plate 7, the inner wall adjacent side of anchor plate 7 is fixedly connected expansion joint edge beam 8, the outer wall top of expansion joint edge beam 8 is fixedly connected with anti-crack steel mesh 9, the outer wall top of anti-crack steel mesh 9 is fixedly connected with concrete two 10, concrete two 10 is fixedly connected in the outer wall of expansion joint edge beam 8 far from one side, the inner wall adjacent side of expansion joint edge beam 8 is all set with installation groove 11, the inner wall of installation groove 11 is installed with rubber waterstop 12, V-shaped groove 14 is set in the inner wall middle part of rubber waterstop 12, the rubber waterstop 12 left and right structure is symmetrically arranged, the upper part of the rubber waterstop 12 is hump-shaped structure, the inside of the rubber waterstop 12 is provided with the fan-shaped hole of the upper half circle, the lower V-shaped;
[0027] Specifically, the concrete one 1 enhances the overall strength through the fixed reinforcement 4, improves the resistance to external force, prevents cracks and deformation, ensures the stability of the foundation structure, the fixed reinforcement 4 is connected with the anchor ring 5 at the top, the anchor ring 5 is combined with the cross steel bar 6, the stability of the anchoring structure is enhanced, the anchor plate 7 connected with the top of multiple anchor rings 5 integrates force transmission, ensures the collaborative stress of the structural system, the expansion joint edge beam 8 is connected with the anchor plate 7 at the inner side, responds to temperature and load changes, avoids structural damage, the anti-crack steel mesh 9 is connected with the expansion joint edge beam 8 at the top, disperses tensile stress, protects the concrete structure, the concrete two 10 is connected with the anti-crack steel mesh 9 at the top, enhances the overall integrity and stability of the structure, the installation groove 11 is provided at the inner side of the expansion joint edge beam 8, the rubber waterstop 12 is installed at the inner wall, maintains sealing, prevents erosion and structural damage, ensures the stability of the expansion joint for long-term use, the V-shaped groove 14 has a guiding function, ensures correct movement and positioning of drainage and structure, enhances the sealing of the rubber waterstop 12, forms a tight sealing structure, effectively prevents liquid leakage and material intrusion, keeps the internal environment clean, adapts to frequent expansion and bending of the bridge, meets the work requirements, and shows good adaptability.
[0028] Referring to Figure 1 , Figure 2 and Figure 3 , the outer wall top of the rubber waterstop 12 is provided with a 1mm spacing between the top end of the profile steel, the outer wall top of the rubber waterstop 12 is fixedly connected with the hump-shaped belt 13, the outer wall top of the hump-shaped belt 13 is fixedly connected with the wheel contact belt 2;
[0029] Specifically, the upper part of the rubber waterstop is provided with a spacing of 1mm error between the upper end face of the profiled steel, which ensures the convenience of installation while increasing the movement range between the structures, and the outer wall top of the rubber waterstop 12 is fixedly connected with the hump-shaped band 13, which improves the service life of the rubber waterstop 12, so that it can still maintain good performance when facing the rolling of the car, and the outer wall top of the hump-shaped band 13 is fixedly connected with the wheel contact band 2, which prolongs the service life by enhancing the stability of the structure and ensures that the structure has good wear resistance.
[0030] Working principle: the inner wall of the concrete 1 is fixedly connected with the bridge body 3 on the left and right sides, which plays a basic role in bearing and stabilizing the bridge body 3, and the inner wall of the concrete 1 is fixedly connected with the fixed steel bars 4 at equal intervals, which can significantly enhance the overall strength of the concrete 1 and improve its ability to resist external force and bear load, prevent the concrete structure from easily cracking and deforming, make the whole foundation structure more stable and reliable, provide a solid foundation for the support of the subsequent parts and the bridge body 3, the outer wall top of the fixed steel bars 4 is fixedly connected with the anchoring ring 5, which is closely connected with the fixed steel bars 4 on the one hand, and is positioned and stabilized at the corresponding position, and the transverse steel bars 6 connected with the inner wall bottom of the anchoring ring 5 further strengthen the stability and integrity of the whole anchoring structure, the outer wall top of the multiple anchoring rings 5 is connected with the anchoring plates 7, which integrate and transfer the force borne by each anchoring structure through the connection with the anchoring ring 5, making the connection between structures more closely and the force transmission more reasonable, ensuring that the whole structure system bears force cooperatively, the inner wall adjacent side of the anchoring plate 7 is fixedly connected with the expansion joint edge beam 8, which is mainly used to cope with the expansion and deformation demand of the bridge under different environmental temperature and load changes, and can freely expand within a certain range to avoid structural damage caused by thermal expansion and contraction and deformation caused by automobile rolling, the outer wall top of the expansion joint edge beam 8 is fixedly connected with the anti-cracking steel mesh 9, which effectively disperses the tensile stress acting on the surface of the concrete, prevents cracks caused by concrete shrinkage and temperature change factors, protects the expansion joint edge beam 8 and the concrete structure above, the outer wall top of the anti-cracking steel mesh 9 is fixedly connected with the concrete 10, which is fixedly connected with the outer wall far side of the expansion joint edge beam 8, so that the expansion joint edge beam 8 and its protective structure are wrapped in the concrete structure, further enhancing the integrity and stability of the structure, and also providing better protection for the expansion joint edge beam 8, enabling it to better perform the function of expansion and deformation, the inner wall adjacent side of the expansion joint edge beam 8 is provided with a mounting groove 11, the inner wall of the mounting groove 11 is mounted with a rubber waterstop 12, the rubber waterstop 12 is symmetrically arranged on the left and right structures, and the symmetrical design helps to uniformly disperse the stress, making the overall structure more stable when bearing gravity, evenly transmitting the load on the bridge to the bridge foundation, prolonging the service life, reducing the risk of damage caused by uneven stress, and the upper end of the rubber strip hump is provided with a spacing of 1mm from the upper end surface of the profile steel, the upper part of the rubber waterstop 12 is fixed with a hump-shaped strip 13, the hump-shaped structure of the hump-shaped strip 13 changes the problem of easy silt and sand accumulation of the modulus type bridge expansion device, and when the wheel passes through the expansion device, the rolling wheel contacts the wheel contact strip 2 fixedly connected to the upper part of the hump, prolonging the service life and ensuring the wear-resistant properties of the structure, and the upper part of the rubber waterstop produces slight vibration and deformation, so that the silt deposited on both sides of the hump waterstop is always soft and not hardened, and can be washed clean by rainwater, the rubber waterstop 12 has good elasticity and sealing performance, when the bridge structure appears expansion and deformation,The rubber waterstop 12 can be deformed along with the expansion and contraction, and always maintains the sealing of the expansion joint, prevents sundries and rainwater from entering the inside of the expansion joint to cause erosion and damage to the structure, at the same time, the rubber waterstop 12 can also play a certain buffering effect during the expansion and contraction, reduces the mutual collision and extrusion caused by the structural deformation, guarantees the long-term stable function of the expansion joint structure, at the same time, the middle part of the rubber waterstop 12 is provided with the V-shaped groove 14, has the guiding property, can guide the water source to move and position the left and right structures according to the predetermined direction, ensures the accurate and stable system operation, enhances the sealing effect of the rubber waterstop 12, forms the tight sealing structure, effectively prevents the liquid leakage and the invasion of external substances, guarantees the internal environment clean, adapts to the frequent expansion and contraction and bending working conditions, meets the working requirements, shows good adaptability, the upper part of the rubber waterstop 12 is provided with the hump-shaped strip 13 with the wheel touch strip, and the V-shaped groove 14 is arranged in the lower part of the hump-shaped strip, the double-layer structure design prolongs the service life of the waterstop, plays the noise reduction effect.
[0031] Finally, it should be noted that: the above only for the preferred embodiments of the utility model have described, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.
Claims
1. A self-cleaning, noise-reducing rubber waterstop for a modular bridge expansion joint, comprising a concrete section (1), wherein the inner walls of the concrete section (1) are fixedly connected to the bridge body (3) on both the left and right sides, and the inner walls of the concrete section (1) are fixedly connected with reinforcing bars (4) at equal intervals, characterized in that: Anchor rings (5) are fixedly connected to the top of the outer wall of each of the fixed reinforcing bars (4). Transverse reinforcing bars (6) are fixedly connected to the bottom of the inner wall of each of the anchor rings (5). Anchor plates (7) are fixedly connected to the top of the outer wall of each of the anchor rings (5). Expansion joint side beams (8) are fixedly connected to the adjacent side of the inner wall of each anchor plate (7). Crack-resistant steel mesh (9) is fixedly connected to the top of the outer wall of each expansion joint side beam (8). Concrete biscuit (10) is fixedly connected to the top of the outer wall of each crack-resistant steel mesh (9). Concrete biscuit (10) is fixedly connected to the outer wall of each expansion joint side beam (8) on the side away from it. Installation grooves (11) are opened on the adjacent side of the inner wall of each expansion joint side beam (8). Rubber waterstops (12) are installed on the inner wall of each installation groove (11).
2. The self-cleaning noise-reducing rubber waterstop for a modular bridge expansion joint according to claim 1, characterized in that: The inner wall of the rubber waterstop (12) is provided with a V-shaped groove (14), the rubber waterstop (12) is symmetrically arranged on the left and right sides, and the upper part of the rubber waterstop (12) has a camel-hump-shaped structure.
3. The self-cleaning noise-reducing rubber waterstop for a modular bridge expansion joint according to claim 1, characterized in that: A 1mm gap is provided between the top of the outer wall of the rubber waterstop (12) and the top of the steel profile.
4. The self-cleaning noise-reducing rubber waterstop for a modular bridge expansion joint according to claim 1, characterized in that: A camel-hump-shaped band (13) is fixedly connected to the top of the outer wall of the rubber waterstop (12).
5. A self-cleaning noise-reducing rubber waterstop for a modular bridge expansion joint according to claim 4, characterized in that: The top of the outer wall of the hump-shaped belt (13) is fixedly connected to a wheel contact belt (2).
6. The self-cleaning noise-reducing rubber waterstop for a modular bridge expansion joint according to claim 1, characterized in that: The rubber waterstop (12) has a fan-shaped central hole with a semi-circular upper part and a V-shaped lower part inside.