Anti-seismic device for bridge

Abstract

The utility model discloses an anti-seismic device for a bridge, which comprises a rubber plate provided with a guide rod, and further comprises a rubber block sleeve which is assembled in a combined manner and is positioned on the outer side of the rubber plate, and an end bag which is extruded to deform is fixedly mounted on the end surface of the rubber block sleeve. According to the anti-seismic device for the bridge, the two rubber block sleeves are combined on the outer side of the rubber plate in a buckled mode and used for blocking and protecting the outer side of the rubber plate, then the assembled bridge pier and bridge body are matched to enable the end bags arranged up and down to deform and diffuse under pressure, and gaps in the outer side of the rubber plate are completely sealed; and meanwhile, the sealing area is increased through the diffused end bags, water vapor is prevented from permeating into the two rubber block sleeves to erode the rubber plate, therefore, the reinforcing steel bars are effectively protected, and the use safety of the bridge is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to building bridge technical field, concretely related to a bridge anti -seismic device for bridge. BACKGROUND

[0002] The bridge erection road is the indispensable link of city construction, and the bridge erection usually adopts the preformed, the on -the -spot and the bridge pier assembly mode.

[0003] According to the disclosure (announcement) number: CN101718077B, discloses (announcement) day: 2011-05-25, discloses a bridge anti -seismic support.

[0004] In the prior art including the above patent, in the process of erecting the bridge body, the anti -seismic buffer assembly needs to be installed at the butt joint position of the bridge pier, that is, the assembly of multiple rubber plate pieces, for offsetting the shear stress of the bridge in the horizontal vertical direction, can also play the compression effect, but in the environment of mountainous area with high humidity, although the precipitation does not erode the rubber plate piece, but the fog water droplets can condense under the bridge body and flow to the rubber plate piece position, cause the rubber wear and tear consumption to increase, also cause certain corrosion to the reinforcing steel for connecting the bridge body, influence the long -term working safety of the bridge. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a bridge anti -seismic device, aims at solving the problem generated above.

[0006] In order to realize the above -mentioned purpose, the utility model provides the following technical scheme:

[0007] A bridge anti -seismic device, including the rubber plate piece of setting up the guide rod, still including the rubber block cover of combination assembly and being at the rubber plate piece outside, the end capsule of fixed installation of extrusion deformation is installed at the rubber block cover end face.

[0008] Preferably, the rubber block cover end port is provided with the butt joint end, and the butt joint end is fixedly installed with the plug connector for plug -in combination.

[0009] Preferably, the butt joint end is provided with the plug -in groove embedded with the plug connector.

[0010] Preferably, the plug connector is fixedly installed with the first protrusion and the second protrusion.

[0011] Preferably, the rubber block cover is provided with the air cavity communicated with the end capsule.

[0012] Preferably, the rubber block cover inner side end face is fixedly installed with the equidistantly arranged inner side capsule.

[0013] Preferably, the inner side capsule is communicated with the air cavity and deforms and touches the rubber plate piece.

[0014] Preferably, the inner side capsule end is provided with a slanted capsule which is fitted outside the plug and keeps a predetermined angle with the horizontal plane.

[0015] Preferably, the oppositely arranged multiple slanted capsules are embedded in parallel with each other and form a joint section.

[0016] Preferably, the slanted capsule is specifically a rubber capsule.

[0017] In the above technical solution, the bridge anti-seismic device has the following beneficial effects: the two rubber block sleeves are combined on the outer side of the rubber plate member to block and protect the outer side of the rubber plate member, and the assembled pier and bridge body are used to make the upper and lower arranged end capsules expand under pressure, to completely seal the gap on the outer side of the rubber plate member, and the expanded end capsules also increase the sealing area, to avoid water vapor from penetrating into the two rubber block sleeves to corrode the rubber plate member, thereby effectively protecting the steel bars and increasing the safety of the bridge. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments 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 also be obtained by those skilled in the art based on these drawings.

[0019] Figure 1 The rubber plate member and a set of rubber block sleeve assembly schematic diagram provided by the embodiment of the present application;

[0020] Figure 2 The rubber plate member and a set of rubber block sleeve explosion schematic diagram provided by the embodiment of the present application;

[0021] Figure 3 The rubber plate member and a set of rubber block sleeve assembly schematic diagram provided by the embodiment of the present application; Figure 2 The rubber plate member and a set of rubber block sleeve assembly schematic diagram provided by the embodiment of the present application;

[0022] Figure 4 The rubber plate member and a set of rubber block sleeve assembly schematic diagram provided by the embodiment of the present application;

[0023] Figure 5 The rubber plate member and a set of rubber block sleeve assembly schematic diagram provided by the embodiment of the present application; Figure 4 The rubber plate member and a set of rubber block sleeve assembly schematic diagram provided by the embodiment of the present application;

[0024] Figure 6 The rubber plate member and a set of rubber block sleeve assembly schematic diagram provided by the embodiment of the present application;

[0025] Explanation of reference signs:

[0026] 1, rubber plate; 11, guide rod; 2, rubber block sleeve; 21, butt joint end; 22, plug-in head; 221, first protrusion; 222, second protrusion; 23, plug-in slot; 3, end capsule; 31, air cavity; 32, inner side capsule; 33, inclined capsule; 34, combination section. DETAILED DESCRIPTION

[0027] In order to make the technical personnel in the art better understand the technical scheme of the utility model, the utility model will be further described in detail below with reference to the drawings.

[0028] As Figures 1-6 shown, an anti-seismic device for bridge, comprising a rubber plate 1 provided with a guide rod 11, further comprising a rubber block sleeve 2 combined and assembled outside the rubber plate 1, and the rubber block sleeve 2 is fixedly installed with an end capsule 3 which is deformed under extrusion on the end face.

[0029] Specifically, the rubber plate 1 is installed on the upper end of the pier and is extruded and butt jointed by the lower end face of the bridge body, and the guide rod 11 is a self-contained component of the rubber plate 1, which is not described here in the prior art, and the rubber block sleeve 2 is specifically hard rubber, that is, the hardness inside is greater than the hardness of the outer position, so that the outside of the rubber block sleeve 2 has elasticity to serve as a buffer.

[0030] Further, a single rubber block sleeve 2 is in the shape of "C", and two rubber block sleeves 2 are combined in the shape of a closed mouth to be sleeved outside the rubber plate 1 for protection, and the end capsule 3 is fixedly installed on the upper and lower end faces of the rubber block sleeve 2, and the end capsule 3 is specifically a corrosion-resistant rubber capsule.

[0031] By combining two rubber block sleeves 2 on the outside of the rubber plate 1, the rubber plate 1 is blocked and protected on the outside, and then the assembled pier and bridge body are matched, so that the upper and lower arranged end capsules 3 are deformed under pressure and are diffused to the end faces of the pier and the bridge body, so as to completely seal the gap outside the rubber plate 1, and the diffused end capsule 3 also increases the sealing area, so as to avoid water vapor from penetrating into the two rubber block sleeves 2 to corrode the rubber plate 1, thereby providing effective protection for the steel bars and increasing the safety of the bridge.

[0032] As a further embodiment of the utility model, a butt joint end 21 is provided at the port of the rubber block sleeve 2, and a plug-in head 22 for plug-in combination is fixedly installed on the butt joint end 21.

[0033] Specifically, the butt joint end 21 is a general term for different lengths of the end of the rubber block sleeve 2, and the plug-in head 22 is fixedly installed on the longer end.

[0034] The notches on the two rubber block sleeves 2 are staggered by the different lengths of the butt joint end 21, avoiding being in the same plane to increase the risk of leakage, so the plug-in head 22 provides further enhanced anti-leakage effect on this basis.

[0035] As further provided by the utility model, the other end of the docking end 21 is provided with a plug-in slot 23 which is embedded with the plug-in head 22.

[0036] Specifically, the plug-in slot 23 is located at the shorter end of the docking end 21, and the horizontal cross section of the plug-in head 22 is trapezoidal.

[0037] The plug-in head 22 and the plug-in slot 23 are combined and connected, which is used to provide connection support for the misaligned docking end, guarantee the combination effect of the two rubber block sleeves 2, and make the docking process more convenient, and the liquid leakage blocking effect is better.

[0038] As further provided by the utility model, the plug-in head 22 is fixedly installed with a first protrusion 221 and a second protrusion 222.

[0039] Specifically, the first protrusion 221 is semicircular in cross section, and the second protrusion 222 is rectangular.

[0040] The first protrusion 221 and the second protrusion 222 can provide reinforcement function for the plug-in head 22, so that the long and short docking ends 21 are not easy to separate after combination, the anti-skid effect is better, and the liquid penetration blocking effect is stronger.

[0041] As further provided by the utility model, the rubber block sleeve 2 is provided with an air cavity 31 which is communicated with the end capsule 3.

[0042] Specifically, the air cavity 31 is concave mirror-shaped in cross section, which is used to retain the original stable structure of the rubber block sleeve 2 by using the solid rubber of the protruding part, and the flat position is more easily deformed to the rubber plate 1.

[0043] Through the airflow transmission accompanied by the extrusion deformation of the end capsule 3, the air pressure in the air cavity 31 is increased, the inside of the rubber block sleeve 2 is deformed and expanded, and the rubber plate 1 is resisted, so as to increase the sealing contact effect of the rubber plate 1, strengthen the protection and leakage prevention ability, and also bear part of the horizontal shear stress offset work.

[0044] As further provided by the utility model, the inside of the rubber block sleeve 2 is fixedly installed with an inside capsule 32 which is arranged at equal intervals.

[0045] Specifically, the inside capsule 32 is a capsule made of rubber.

[0046] The inside capsule 32 contacts the rubber plate 1 with the inside end face of the rubber block sleeve 2 deformed and raised, so as to increase the anti-skid effect of the rubber plate 1, and also has the combination and attachment function, realizes layer-by-layer sealing, and achieves multi-layer insulation effect.

[0047] As further provided by the utility model, the inner side bag 32 is communicated with the air cavity 31 and deforms to abut against the rubber plate 1.

[0048] The inner side bag 32 is pressed on the side edge of the rubber plate 1 by the deformed and raised inner side end face of the rubber block sleeve 2, the multiple layers of the inner side bag 32 diffuse and deform mutually, the rubber plate 1 is completely wrapped and covered, and a completely sealed effect is formed.

[0049] As further provided by the utility model, the inner side bag 32 is communicated with the air cavity 31 and deforms to abut against the rubber plate 1.

[0050] Specifically, the inclined bag 33 is located at the inner side end face of the rubber block sleeve 2 after the butt joint end 21 is combined.

[0051] The rubber block sleeve 2 is internally sealed by the inclined bag 33, the covered area is larger, and the protection effect is improved.

[0052] As further provided by the utility model, the multiple inclined bags 33 arranged oppositely are embedded in parallel and form a joint section 34.

[0053] Specifically, as shown in the figure, Figure 6 The two joint sections 34 arranged oppositely are mirror image arranged, that is, the sealing effect is reversed at the two butt joint and combined positions.

[0054] The inclined bags 33 at the butt joint and combined positions are embedded in parallel, on the one hand, the gap between them is filled, the sealing effect at the joint section 34 is improved, on the other hand, the friction at the joint section 34 is increased during the mutual extrusion of the inclined bags 33, the two rubber block sleeves 2 are connected more closely (similar to the butt joint of two books, the paper is placed on each other), and the stability of the combination and assembly of the two rubber block sleeves 2 is ensured.

[0055] As further provided by the utility model, the inclined bag 33 is specifically a rubber bag.

[0056] The deformation effect is increased by the rubber material of the inclined bag 33, the stress process is more obvious, the friction is formed, the sealing ability is improved, and the stress process is more obvious.

[0057] Working principle: through the two rubber block sleeve 2 pairs of buckle combination in rubber plate spare 1 outside, for the rubber plate spare 1 outside blocking protection, again match the assembled bridge pier and bridge body, to make the upper and lower arrangement end bag 3 pressure deformation, and make end bag 3 adhere to bridge pier and bridge body end face diffusion, for the rubber plate spare 1 outside gap is all closed, simultaneously the diffusion after end bag 3 still increases the sealing area, for avoiding water vapor to infiltrate into two rubber block sleeve 2 inside and erode rubber plate spare 1, and end bag 3 extrusion deformation process along with the airflow transmission, make the air pressure increase into the air cavity 31, and promote rubber block sleeve 2 inside deformation expansion, and rub against rubber plate spare 1, to increase the sealing contact effect of rubber plate spare 1, strengthen the protection and prevent the ability of leakage.

[0058] The above only describes certain exemplary embodiments of the present application by way of illustration, without doubt, for those skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection claimed by the present application.

Claims

1. An anti-seismic device for bridges, comprising a rubber plate member (1) provided with a guide rod (11), characterized in that, Also include a rubber block sleeve (2) assembled in combination and outside the rubber plate (1), the rubber block sleeve (2) is fixedly installed with an end bag (3) which is extruded and deformed at the end face.

2. The anti-seismic device for bridges according to claim 1, characterized in that The rubber block sleeve (2) is provided with a docking end (21) at the port, and the docking end (21) is fixedly installed with a plug (22) for plug-in combination.

3. The anti-seismic device for bridges according to claim 2, characterized in that The docking end (21) is provided with a plug-in slot (23) at the other end, which is embedded with the plug (22).

4. The anti-seismic device for bridges according to claim 2, characterized in that The plug (22) is fixedly installed with a first protrusion (221) and a second protrusion (222).

5. The anti-seismic device for bridges according to claim 2, characterized in that The rubber block sleeve (2) is provided with an air cavity (31) which is communicated with the end bag (3).

6. The seismic device for bridges according to claim 5, characterized in that The rubber block sleeve (2) is fixedly installed with an inner side bag (32) which is arranged at equal intervals at the inner side end face.

7. The seismic device for bridges according to claim 6, characterized in that The inner side bag (32) is communicated with the air cavity (31) and deformed to resist the rubber plate (1).

8. The seismic device for bridges according to claim 7, characterized in that The inner side bag (32) is provided with an inclined bag (33) at the end, which is attached to the outside of the plug (22) and maintains a predetermined angle with the horizontal plane.

9. The seismic device for bridges according to claim 8, characterized in that The plurality of inclined bags (33) arranged oppositely are embedded in parallel with each other and form a joint segment (34).

10. The seismic device for bridges according to claim 9, characterized in that The inclined bag (33) is specifically a rubber bag.

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