Anti-drawing anti-falling beam structure for bridge

Abstract

The anti-drawing anti-falling beam structure for the bridge sequentially comprises a beam body, a support unit and a pier from top to bottom, a spherical crown is arranged between the bottom of the middle end of an upper support and the top of the middle end of a lower support below the upper support, and the left end and the right end of the support unit are connected with anti-falling beams of U-shaped structures; supporting connecting pieces are further arranged between the upper support and the lower support on the left side and the right side of the spherical crown, and the supporting connecting pieces, the upper support and the lower support form a triangular structure. The upper support and the lower support are connected together through the supporting connecting piece, and the supporting connecting piece, the upper support and the lower support form a triangular stable structure, so that the strength of the mounting structure between the upper support and the lower support is further enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge bearing related technical field, especially bridge anti -pulling of a kind of anti -falling beam structure. BACKGROUND

[0002] Bridge is generally composed of upper structure, lower structure, support and accessory structure. Bridge bearing is an important component connecting and constraining the upper and lower structures of the bridge, and is an indispensable part of the load bearing of the bridge.

[0003] After searching, it is found that the patent with the patent number CN222313782U discloses an integrated bridge bearing, which comprises a beam body, a bearing unit and a pier from top to bottom. The bearing unit comprises an upper bearing and a lower bearing from top to bottom. A spherical crown is arranged between the bottom of the middle end of the upper bearing and the top of the middle end of the lower bearing below. Outer connecting pieces are arranged at the left and right ends of the bearing unit. Inner connecting pieces are arranged between the upper bearing and the lower bearing on the left and right sides of the spherical crown. The inner connecting pieces installed between the upper bearing and the lower bearing on the left and right sides of the spherical crown make the upper bearing and the lower bearing integrated, which can resist the impact load generated during installation.

[0004] In summary, in the existing bridge bearing, the inner connecting pieces arranged between the upper bearing and the lower bearing make the upper bearing and the lower bearing integrated, but the arc-shaped transition connecting end inside the inner connecting pieces is prone to breakage during long-term use.

[0005] In view of the above-mentioned defects, the present inventor actively researches and innovates to create a bridge anti-pulling anti-falling beam structure, which has higher industrial utilization value. INVENTION CONTENTS

[0006] To solve the above technical problems, the purpose of the present utility model is to provide a bridge anti-pulling anti-falling beam structure.

[0007] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0008] A bridge anti-pulling anti-falling beam structure comprises a beam body, a bearing unit and a pier from top to bottom. The bearing unit comprises an upper bearing and a lower bearing from top to bottom. A spherical crown is arranged between the bottom of the middle end of the upper bearing and the top of the middle end of the lower bearing below. The left and right ends of the bearing unit are connected with U-shaped anti-falling beams.

[0009] Supporting connecting pieces are arranged between the upper bearing and the lower bearing on the left and right sides of the spherical crown. The top of the supporting connecting piece is installed on the upper bearing, and the bottom of the supporting connecting piece is installed on the lower bearing. The supporting connecting piece, the upper bearing and the lower bearing form a triangular structure.

[0010] As a further improvement of the utility model, an upper friction pair is arranged between the bottom of the middle of the upper support and the top of the spherical crown, and a lower friction pair is arranged between the top of the middle of the lower support and the bottom of the spherical crown.

[0011] As a further improvement of the utility model, a protruding upper support protrusion is arranged in the middle of the bottom of the upper support, and the upper friction pair is mounted on the upper support protrusion.

[0012] As a further improvement of the utility model, the upper friction pair is a plane friction pair, and the lower friction pair is a spherical friction pair.

[0013] As a further improvement of the utility model, the supporting connecting piece is an elastic telescopic rod, the top end of the elastic telescopic rod is arranged in the horizontal direction and mounted on the bottom of the upper support, and the bottom end of the elastic telescopic rod is arranged in the vertical direction and mounted on the side of the lower support.

[0014] As a further improvement of the utility model, the supporting connecting piece is a damping connecting piece, the top side of the damping connecting piece is hinged to the bottom of the upper support through an upper mounting seat, and the bottom side of the damping connecting piece is hinged to the lower support through a lower mounting seat.

[0015] As a further improvement of the utility model, upper support columns distributed in the vertical direction are mounted on the bottom of the left and right sides of the upper support, lower support columns distributed in the vertical direction are mounted on the lower support directly below the upper support columns, upper sliding contact grooves recessed upward are arranged on the bottom of the upper support columns, and lower sliding contact blocks protruding upward are arranged on the top of the lower support columns, and the lower sliding contact blocks are matched with the upper sliding contact grooves.

[0016] As a further improvement of the utility model, the upper sliding contact grooves are spherical grooves, and the lower sliding contact blocks are spherical bodies.

[0017] As a further improvement of the utility model, the top end of the anti-falling beam is mounted on the outer side of the upper support, and the bottom end of the anti-falling beam is mounted on the outer side of the lower support.

[0018] By the above scheme, the utility model has at least the following advantages:

[0019] The utility model connects the upper support and the lower support together through the supporting connecting piece, and a triangular stable structure is formed among the supporting connecting piece, the upper support and the lower support, thereby further enhancing the mounting structure strength between the upper support and the lower support.

[0020] The upper sliding contact grooves of the upper support columns are matched with the lower sliding contact blocks of the lower support columns, so that the overall anti-tipping capacity of the support can be improved.

[0021] The above description is only a summary of the technical scheme of the present application. In order to more clearly understand the technical means of the present application, and can be implemented in accordance with the content of the specification, the following is a preferred embodiment of the present application and will be described in detail with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme of the present application, the following will be briefly introduced to the drawings needed to be used in the embodiment, it should be understood that the following drawings only show some embodiments of the present application, therefore should not be regarded as a limitation, for those skilled in the art, without creative labor, can also be obtained from these drawings other related drawings.

[0023] Figure 1 is a structural schematic diagram of the first embodiment of the present application;

[0024] Figure 2 is a structural schematic diagram of the second embodiment of the present application;

[0025] Figure 3 is a structural schematic diagram of the third embodiment of the present application;

[0026] Figure 4 is a structural schematic diagram of the fourth embodiment of the present application.

[0027] In the drawings, the meanings of various reference signs are as follows.

[0028] Beam body 1, upper support 2, upper support block 3, upper friction pair 4, spherical cap 5, lower friction pair 6, anti-falling beam 7, pier 8, lower support 9, elastic expansion rod 10, upper support column 11, lower support column 12, upper sliding contact groove 13, lower sliding contact block 14, damping connecting piece 15. DETAILED DESCRIPTION

[0029] The specific embodiments of the present application will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the present application, but not to limit the scope of the present application.

[0030] For the person skilled in the art to better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by the person skilled in the art without creative labor are within the scope of protection of the present application.

[0031] Embodiment

[0032] As Figures 1-4 shown,

[0033] A bridge anti-pulling anti-falling beam structure, from top to bottom in turn includes beam body 1, support unit and pier 8, the support unit from top to bottom in turn includes upper support 2 and lower support 9, the middle end bottom of upper support 2 and the middle end top of lower support 9 below are provided with spherical crown 5, upper friction pair 4 is arranged between the middle end bottom of upper support 2 and the top of spherical crown 5, and lower friction pair 6 is arranged between the middle end top of lower support 9 and the bottom of spherical crown 5. The middle of the bottom of upper support 2 is provided with upper support lug 3 protruding towards the lower side, and upper friction pair 4 is installed on upper support lug 3. Wherein, the upper friction pair 4 is a plane friction pair, and the lower friction pair 6 is a spherical friction pair.

[0034] Wherein, the left and right ends of the support unit are connected with the U-shaped structure of the anti-falling beam 7. The top end of the anti-falling beam 7 is installed on the outer side of the upper support 2, and the bottom end of the anti-falling beam 7 is installed on the outer side of the lower support 9.

[0035] Support connecting pieces are further arranged between the upper support 2 and the lower support 9 on the left and right sides of the spherical crown 5, the top of the support connecting piece is installed on the upper support 2, the bottom of the support connecting piece is installed on the lower support 9, and the support connecting piece, the upper support 2 and the lower support 9 form a triangular structure. The linear structure of the support connecting piece reduces the risk of internal fracture itself, and improves the service life. In addition, the support connecting piece, the upper support and the lower support form a triangular stable structure, which further enhances the installation structure strength between the upper support and the lower support.

[0036] As Figure 1 , the first embodiment of the present application:

[0037] The support connecting piece is an elastic telescopic rod 10, the top end of the elastic telescopic rod 10 is arranged along the horizontal direction and is installed at the bottom of the upper support 2, and the bottom end of the elastic telescopic rod 10 is arranged along the vertical direction and is installed at the side of the lower support 9. The elastic telescopic rod 10 with rigid structure can rigidly support the upper support and the lower support. The elastic telescopic rod 10 can be a rubber elastic telescopic rod formed by vulcanization and bonding of multiple layers of rubber and steel plates (similar to a plate type rubber support), which can adapt to displacement by shear deformation of rubber, has high vertical stiffness and good horizontal flexibility. The elastic telescopic rod 10 can also be a spring telescopic rod formed by a metal coil spring or a disc spring, which provides linear or nonlinear elastic response and is suitable for large displacement scenarios.

[0038] As Figure 2 the second embodiment of the utility model:

[0039] On the basis of the above-mentioned first embodiment, the upper support columns 11 distributed along the vertical direction are installed at the bottoms of the left and right sides of the upper support 2, the lower support columns 12 distributed along the vertical direction are installed on the lower supports 9 directly below the upper support columns 11, the upper sliding contact grooves 13 recessed upwards are arranged at the bottoms of the upper support columns 11, the lower sliding contact blocks 14 protruded upwards are arranged at the tops of the lower support columns 12, and the lower sliding contact blocks 14 are matched with the upper sliding contact grooves 13. The upper sliding contact grooves 13 are spherical grooves, and the lower sliding contact blocks 14 are spherical bodies. The anti-overturning structure composed of the upper support columns 11 and the lower support columns 12 can improve the anti-overturning performance of the support unit.

[0040] As Figure 3 the third embodiment of the utility model:

[0041] The support connecting piece is a damping connecting piece 15, one side of the top of the damping connecting piece 15 is hingedly connected to the bottom of the upper support 2 through an upper mounting seat, and one side of the bottom of the damping connecting piece 15 is hingedly connected to the lower support 9 through a lower mounting seat. The damping connecting piece 15 can be a commonly used spring damper, an oil damper or a hydraulic damper, etc. The damping connecting piece 15 with a certain elastic structure can elastically support the upper support and the lower support.

[0042] As Figure 4 the fourth embodiment of the utility model:

[0043] On the basis of the third embodiment, the upper support column 11 is arranged on the bottom of the left and right sides of the upper support 2 along the vertical direction, the lower support column 12 is arranged on the lower support 9 below the upper support column 11 along the vertical direction, the upper sliding contact groove 13 is arranged on the bottom of the upper support column 11 and recessed upward, the lower sliding contact block 14 is arranged on the top of the lower support column 12 and protrudes upward, and the lower sliding contact block 14 is matched with the upper sliding contact groove 13.

[0044] In addition, the support connecting piece can also be designed as the technical scheme that the elastic telescopic rod 10 and the damping connecting piece 15 are alternately used left and right or alternately used front and back.

[0045] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implying the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can be explicitly or implicitly included one or more. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0046] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be 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 ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood by specific circumstances.

[0047] The above is only the preferred embodiment of the present application, and is not used to limit the present application, it should be pointed out that, for ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection scope of the present application.

Claims

1. A bridge anti-pulling anti-falling beam structure, comprising, from top to bottom, a beam body (1), a support unit and a pier (8), the support unit comprising, from top to bottom, an upper support (2) and a lower support (9), a spherical crown (5) being arranged between the bottom of the middle end of the upper support (2) and the top of the middle end of the lower support (9) below, and the left and right ends of the support unit being connected with U-shaped anti-falling beams (7); Characterized in that: support connecting pieces are arranged between the left and right sides of the spherical crown (5) and the upper support (2) and the lower support (9), the top of the support connecting piece is mounted on the upper support (2), the bottom of the support connecting piece is mounted on the lower support (9), and the support connecting piece, the upper support (2) and the lower support (9) form a triangular structure.

2. A fall prevention structure against tensile force for a bridge according to claim 1, wherein An upper friction pair (4) is arranged between the bottom of the middle end of the upper support (2) and the top of the spherical crown (5), and a lower friction pair (6) is arranged between the top of the middle end of the lower support (9) and the bottom of the spherical crown (5).

3. A fall prevention structure against tensile force for a bridge according to claim 2, wherein An upper support protrusion (3) is arranged in the middle of the bottom of the upper support (2) and protrudes downward, and the upper friction pair (4) is mounted on the upper support protrusion (3).

4. A fall prevention structure against tensile force for a bridge according to claim 2, wherein The upper friction pair (4) is a planar friction pair, and the lower friction pair (6) is a spherical friction pair.

5. A fall prevention structure against tensile force for a bridge according to claim 1, wherein The support connecting piece is an elastic telescopic rod (10), one end of the top of the elastic telescopic rod (10) is arranged in a horizontal direction and mounted on the bottom of the upper support (2), and one end of the bottom of the elastic telescopic rod (10) is arranged in a vertical direction and mounted on the side of the lower support (9).

6. A fall prevention structure against tensile force for a bridge according to claim 1, wherein The support connecting piece is a damping connecting piece (15), one side of the top of the damping connecting piece (15) is hinged to the bottom of the upper support (2) through an upper mounting seat, and one side of the bottom of the damping connecting piece (15) is hinged to the lower support (9) through a lower mounting seat.

7. A fall prevention structure against tensile force for a bridge according to claim 1, wherein Upper support columns (11) distributed in a vertical direction are mounted on the bottom of the left and right sides of the upper support (2), lower support columns (12) distributed in a vertical direction are mounted on the lower support (9) directly below the upper support columns (11), upper sliding contact grooves (13) recessed upward are arranged on the bottom of the upper support columns (11), and lower sliding contact blocks (14) protruding upward are arranged on the top of the lower support columns (12), and the lower sliding contact blocks (14) are matched with the upper sliding contact grooves (13) above.

8. A fall prevention structure against tensile force for a bridge according to claim 7, wherein The upper sliding contact grooves (13) are spherical grooves, and the lower sliding contact blocks (14) are spherical bodies.

9. A fall prevention structure against tensile force for a bridge according to claim 1, wherein One end of the top of the anti-falling beam (7) is mounted on the outside of the upper support (2), and one end of the bottom of the anti-falling beam (7) is mounted on the outside of the lower support (9).

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