Metal beam column type bridge guardrail

Abstract

The utility model discloses a metal beam column type bridge guardrail. A first cross beam, a second cross beam and a corrugated plate are sequentially and fixedly connected to a first stand column from top to bottom. The upper end of the first bent beam is fixedly connected with the first cross beam, the upper end of the second bent beam is fixedly connected with the second cross beam, the lower end of the first bent beam is fixedly connected with the upper side of the second bent beam, and the lower end of the second bent beam is fixedly connected with the second stand column. The problems that in the prior art, the standard section structural design cannot meet the high protection effect, and the bridge protection effect is reduced; the transition section is unreasonable in structural design and cannot adapt to the standard section; in order to adapt to a connecting structure, the transition section strength is damaged, and the transition section protection effect is reduced. According to the metal beam column type bridge guardrail, the protection effect of the bridge guardrail is improved through the first cross beam and the second cross beam; the smooth transition effect of the ends of the first beam and the second beam is guaranteed, the connection strength is improved, and the protection effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge guardrail structure design, in particular to a metal beam-column type bridge guardrail. Background Art

[0002] Metal beam-column bridge guardrail is an important traffic safety facility, which is designed to prevent vehicles from running out of control and rushing off the bridge, thus reducing the occurrence of traffic accidents. This type of guardrail can be treated with surface treatment methods such as plastic dipping and galvanizing to enhance corrosion resistance.

[0003] Metal beam-column bridge guardrails play an important role in ensuring road safety. Their production and construction processes require strict quality control and standardized operations.

[0004] However, in the prior art, the structural design of bridge guardrails is unreasonable, and the protective performance is insufficient. In addition, the transition structure design between bridge guardrails and ordinary guardrails is unreasonable, which not only easily causes damage to the guardrails, but also easily causes damage to the impact vehicle at the transition structure.

[0005] In the prior art, the standard section structure design cannot meet a high protection effect, thereby reducing the protective effect of the bridge; and the transition section structure design is unreasonable and cannot be adapted to the standard section; in order to adapt to the connection structure, the transition section itself is damaged in strength, thereby reducing the protective effect of the transition section. Utility Model Content

[0006] In view of this, the main purpose of the utility model is to provide a metal beam-column bridge guardrail with a reasonable structural design, which improves the protective effect of the bridge guardrail and can smoothly transition the increased part to ensure the connection strength and improve the protective effect.

[0007] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0008] A metal beam-column bridge guardrail comprises: a standard section and a transition section, wherein both ends of the standard section are respectively connected to the transition section;

[0009] In a preferred embodiment, the standard section includes: a first crossbeam, a second crossbeam and a corrugated plate, wherein the first crossbeam, the second crossbeam and the corrugated plate are fixedly connected to the first column in sequence from top to bottom;

[0010] In a preferred embodiment, the transition section includes: a first bent beam and a second bent beam, the upper end of the first bent beam is fixedly connected to the first cross beam, the upper end of the second bent beam is fixedly connected to the second cross beam, the lower end of the first bent beam is fixedly connected to the upper side of the second bent beam, and the lower end of the second bent beam is fixedly connected to the second column.

[0011] In a preferred embodiment, it further comprises: a connecting member, through which the second bending beam and the second column are fixedly connected.

[0012] In a preferred embodiment, the connecting member includes: a left plate, a right plate, an upper plate and a lower plate, the left plate, the right plate, the upper plate and the lower plate are respectively extensions of the lower end of the second bent beam, the left plate and the right plate are wrapped and fixedly connected on both sides of the second column, the upper plate and the lower plate are respectively bent toward the upper and lower sides, and are fixedly connected to the surface of the second column.

[0013] In a preferred embodiment, fixing holes are provided through the left plate, the second column and the right plate, and fixing bolts are connected through the fixing holes.

[0014] In a preferred embodiment, the second column includes: a column body and a connecting head, the upper end of the column body is fixedly connected to the connecting head, and one side of the connecting head supports and fixes the corrugated plate.

[0015] In a preferred embodiment, the connecting head includes: a connecting cap, a supporting protrusion and a connecting plate, the connecting cap cover is arranged at the upper end of the column body, the supporting protrusion is integrally formed on one side of the connecting cap, the supporting protrusion extends into the bending part of the corrugated plate, the connecting cap is integrally formed with the connecting plate at the lower side of the supporting protrusion, and the connecting plate and the corrugated plate are fixedly connected.

[0016] In a preferred embodiment, inner plates and outer plates extend downwardly from both sides of the lower end of the first bent beam, and the inner plates and outer plates are wrapped around the outer wall of the second bent beam.

[0017] In a preferred embodiment, the inner plate end portion and the outer plate end portion are bent and protruded, and are fixedly connected at the bent and protruded portions.

[0018] In a preferred embodiment, the outer panel is wrapped around the outer side and lower side of the second bent beam, the outer panel extends to the inner side of the second bent beam, and the inner panel extends to the inner side of the second bent beam, so that the bends of the outer panel and the inner panel protrude on the inner side of the second bent beam.

[0019] In a preferred embodiment, the cross-sections of the first bent beam and the second bent beam are both D-shaped structures, and the D-shaped arc surface of the first bent beam is parallel to the surface of the corrugated plate;

[0020] In a preferred embodiment, the upper section of the second bent beam and the first bent beam are in the same plane, and the inclined section of the lower section of the second bent beam is inclined toward a side away from the corrugated plate.

[0021] The metal beam-column bridge guardrail of the utility model has the following beneficial effects:

[0022] The metal beam-column bridge guardrail comprises: a standard section and a transition section, wherein both ends of the standard section are respectively connected to the transition section; the standard section comprises: a first crossbeam, a second crossbeam and a corrugated plate, wherein the first crossbeam, the second crossbeam and the corrugated plate are fixedly connected to the first column in sequence from top to bottom; the transition section comprises: a first bent beam and a second bent beam, wherein the upper end of the first bent beam is fixedly connected to the first crossbeam, the upper end of the second bent beam is fixedly connected to the second crossbeam, the lower end of the first bent beam is fixedly connected to the upper side of the second bent beam, and the lower end of the second bent beam is fixedly connected to the second column.

[0023] The problem in the prior art that the standard section structure design cannot meet a high protection effect and reduces the protective effect of the bridge; the transition section structure design is unreasonable and cannot be adapted to the standard section; and the transition section itself is damaged in strength in order to adapt to the connection structure, thereby reducing the protective effect of the transition section.

[0024] The metal beam-column bridge guardrail improves the protection effect of the bridge guardrail through the first crossbeam and the second crossbeam; further, the ends of the first crossbeam and the second crossbeam are transitionally connected through the first bent beam and the second bent beam to ensure a smooth transition effect between the ends of the first crossbeam and the second crossbeam. The first bent beam and the second bent beam are structurally designed to be adapted to connect with the second column structure, thereby ensuring the connection strength and improving the protection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 It is a structural schematic diagram of a metal beam-column bridge guardrail according to an embodiment of the present disclosure;

[0027] Figure 2 It is a front view of a metal beam-column bridge guardrail according to an embodiment of the present disclosure;

[0028] Figure 3 A top view of a metal beam-column bridge guardrail according to an embodiment of the present disclosure;

[0029] Figure 4 A front view of the connection relationship between a first bent beam and a second bent beam of a metal beam-column bridge guardrail according to an embodiment of the present disclosure;

[0030] Figure 5A top view of the connection relationship between a first bent beam and a second bent beam of a metal beam-column bridge guardrail according to an embodiment of the present disclosure;

[0031] Figure 6 It is a schematic structural diagram of a connection cap of a metal beam-column bridge guardrail according to an embodiment of the present disclosure;

[0032] Figure 7 It is a front view of a metal beam-column bridge guardrail according to an embodiment of the present disclosure.

[0033]

Main component symbol description

[0034] 01. Standard section; 02. Transition section;

[0035] 1. First crossbeam; 2. Second crossbeam;

[0036] 3. Corrugated plate; 4. First column;

[0037] 5. The first bending beam;

[0038] 51. Inner plate; 52. Outer plate; 53. Bend protrusion;

[0039] 6. Second bending beam;

[0040] 7. Second pillar;

[0041] 71. Column body; 72. Connector;

[0042] 721. Connecting cap; 722. Supporting protrusion; 723. Connecting plate;

[0043] 8. Connectors;

[0044] 81. Left board; 82. Right board; 83. Upper board; 84. Lower board. DETAILED DESCRIPTION

[0045] The metal beam-column bridge guardrail of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments of the present invention.

[0046] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0047] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0048] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0049] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0050] like Figure 1-Figure 7 As shown, the metal beam-column bridge guardrail comprises: a standard section 01 arranged on the upper side of the bridge and a transition section 02 with different structures transitioning from the bridge to the roadbed section, and both ends of the standard section 01 are respectively connected to the transition section 02;

[0051] In order to improve the protection effect of the guardrail, the standard section 01 includes: a first beam 1 and a second beam 2 for increasing the protection height on the upper side, and a corrugated plate 3 for mainly providing protection. The first beam 1, the second beam 2 and the corrugated plate 3 are fixedly connected to the first column 4 in sequence from top to bottom;

[0052] In order to adapt the structure of the first crossbeam 1 and the second crossbeam 2, to meet the smooth transition connection of the ends of the first crossbeam 1 and the second crossbeam 2, to avoid the collision of the ends of the first crossbeam 1 and the second crossbeam 2 on the vehicle, and to improve the connection strength of the first crossbeam 1 and the second crossbeam 2. The transition section 02 includes: a first bent beam 5 for transition connection with the first crossbeam 1 and a second bent beam 6 for transition with the second crossbeam 2. The upper end of the first bent beam 5 is fixedly connected to the first crossbeam 1, the upper end of the second bent beam 6 is fixedly connected to the second crossbeam 2, the lower end of the first bent beam 5 is fixedly connected to the upper side of the second bent beam 6, and the lower end of the second bent beam 6 is fixedly connected to the second column 7. Through the connection between the first bent beam 5 and the second bent beam 6, the problem of interference between the lower end of the first bent beam 5 and the second bent beam 6 when it needs to be fixedly connected is avoided.

[0053] In order to improve the connection strength between the second curved beam 6 and the second column 7 and facilitate the connection between the second curved beam 6 and the second column 7, the bridge guardrail further includes a connecting member 8, through which the second curved beam 6 and the second column 7 are fixedly connected.

[0054] In order to improve the connection strength between the connecting member 8 and the second bent beam 6, especially to reduce the defect of the second bent beam 6 breaking at the connection point and reducing the protective effect. The connecting member 8 includes: a left plate 81 and a right plate 82 extending from the left and right sides of the second bent beam 6, and an upper plate 83 and a lower plate 84 extending upward and downward from the second bent beam 6. The left plate 81, the right plate 82, the upper plate 83 and the lower plate 84 are respectively extensions of the lower end of the second bent beam 6, and the left plate 81 and the right plate 82 are wrapped and fixedly connected to the two sides of the second column 7, and the upper plate 83 and the lower plate 84 are bent to the upper and lower sides respectively, and are fixedly connected to the surface of the second column 7. Through the wrapping setting of the left plate and the right plate 82, the connection stability between the second bent beam 6 and the second column 7 is met, and the damage to the components at the connection point can be avoided, which affects the defect of the protective effect.

[0055] In order to facilitate the connection between the left plate 81 and the right plate 82 and the second column 7, fixing holes are set through the left plate 81, the second column 7 and the right plate 82, and fixing bolts are connected through the fixing holes. The left and right sides wrap the second column 7, and the fixing bolts penetrate through them to meet the fixed connection function, wrapping and fixing the second bending beam 6 and the second column 7 to ensure the connection strength.

[0056] In order to facilitate the connection between the second column 7 and the corrugated plate 3, especially to support the corrugated plate 3, the second column 7 comprises a column body 71 and a connector 72, the upper end of the column body 71 is fixedly connected to the connector 72, and one side of the connector 72 supports and fixes the corrugated plate 3.

[0057] In order to adapt the connection between the connector 72 and the corrugated plate 3, and also adapt to the corrugated groove of the corrugated plate, the supporting effect of the connector 72 on the corrugated plate 3 is ensured. The connector 72 includes: a connecting cap 721 connected to the column body 71, a supporting protrusion 722 for supporting the corrugated plate 3, and a connecting plate 723 for connecting the corrugated plate 3. The connecting cap 721 is covered on the upper end of the column body 71, and a supporting protrusion 722 is integrally formed on one side of the connecting cap 721. The supporting protrusion 722 extends into the bending part of the corrugated plate 3, and the connecting cap 721 is integrally formed with the connecting plate 723 at the lower side of the supporting protrusion 722. The connecting plate 723 is fixedly connected to the corrugated plate 3. The connecting cap 721 extends out a certain size at the connection plate 723 to avoid interference between the connecting plate and the left plate 81 and the right plate 82.

[0058] In order to facilitate the connection between the first curved beam 5 and the second curved beam 6 and avoid damaging the first curved beam 5 or the second curved beam 6, the inner plate 51 and the outer plate 52 extend downward from the lower end of the first curved beam 5, and the inner plate 51 and the outer plate 52 wrap around the outer wall of the second curved beam 6. The inner plate is the side on the outside of the highway relative to the guardrail, and the outer plate 52 is the side close to the highway.

[0059] In order to further improve the connection strength of the inner plate 51 and the outer plate 52 to the second bent beam 6, the inner plate 51 end and the outer plate 52 end are bent and protruded 53, and are fixedly connected at the bent protrusion 53. That is, the second bent beam 6 is completely wrapped by the inner plate 51 and the outer plate 52, and the bent protrusion 53 is formed at the end by bending, and then the bent protrusion 53 is opened to achieve a fixed connection between the inner plate 51 and the outer plate 52. On the premise of destroying the first bent beam 5 and the second bent beam 6, the connection between the first bent beam 5 and the second bent beam 6 can be satisfied.

[0060] In order to prevent the bent protrusion 53 from contacting the vehicle during a collision and increasing damage to the vehicle, the outer panel 52 is wrapped around the outer side and lower side of the second bending beam 6, and the outer panel 52 extends to the inner side of the second bending beam 6, and the inner panel 51 extends to the inner side of the second bending beam 6, so that the bent protrusions of the outer panel 52 and the inner panel 51 are on the inner side of the second bending beam 6.

[0061] Inboard: the side facing away from the highway;

[0062] Outer side: The side closest to the highway.

[0063] In order to improve the anti-collision effect of the first cross beam 1 and the second cross beam 2, and ensure the anti-collision effect of the first curved beam 5 and the second curved beam 6. The cross sections of the first curved beam 5 and the second curved beam 6 are both D-shaped structures, and the D-shaped arc surface of the first curved beam 5 is parallel to the surface of the corrugated plate 3;

[0064] In order to ensure the maximum protection effect of the second bending beam 6, the upper section of the second bending beam 6 and the first bending beam 5 are in the same plane. In order to meet the connection function between the second bending beam 6 and the second column 7, the lower section of the second bending beam 6 is inclined to the side away from the corrugated plate 3.

[0065] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention.

Claims

1. A metal beam-column bridge guardrail, characterized in that: include: A standard section (01) and a transition section (02), wherein both ends of the standard section (01) are respectively connected to the transition section (02); The standard section (01) comprises: a first crossbeam (1), a second crossbeam (2) and a corrugated plate (3), wherein the first crossbeam (1), the second crossbeam (2) and the corrugated plate (3) are fixedly connected to a first column (4) in sequence from top to bottom; The transition section (02) comprises: a first bent beam (5) and a second bent beam (6), the upper end of the first bent beam (5) being fixedly connected to the first cross beam (1), the upper end of the second bent beam (6) being fixedly connected to the second cross beam (2), the lower end of the first bent beam (5) being fixedly connected to the upper side of the second bent beam (6), and the lower end of the second bent beam (6) being fixedly connected to the second column (7); It also includes: a connecting piece, wherein the second bent beam (6) and the second column (7) are fixedly connected via the connecting piece (8); The connecting member (8) comprises: a left plate (81), a right plate (82), an upper plate (83) and a lower plate (84); the left plate (81), the right plate (82), the upper plate (83) and the lower plate (84) are respectively extensions of the lower end of the second bent beam (6); the left plate (81) and the right plate (82) are wrapped and fixedly connected to both sides of the second column (7); the upper plate (83) and the lower plate (84) are respectively bent upward and downward and fixedly connected to the surface of the second column (7); Fixing holes are provided through the left plate (81), the second upright column (7) and the right plate (82), and fixing bolts are connected through the fixing holes for fixing.

2. The metal beam-column bridge guardrail according to claim 1, characterized in that: The second column (7) comprises: a column body (71) and a connecting head (72); the upper end of the column body (71) is fixedly connected to the connecting head (72); and one side of the connecting head (72) supports and fixes the corrugated plate (3).

3. The metal beam-column bridge guardrail according to claim 2, characterized in that: The connecting head (72) comprises: a connecting cap (721), a supporting protrusion (722) and a connecting plate (723); the connecting cap (721) is covered on the upper end of the column body (71); the supporting protrusion (722) is integrally formed on one side of the connecting cap (721); the supporting protrusion (722) extends into the bend of the corrugated plate (3); the connecting cap (721) is integrally formed with the connecting plate (723) at the lower side of the supporting protrusion (722); and the connecting plate (723) and the corrugated plate (3) are fixedly connected.

4. The metal beam-column bridge guardrail according to claim 1, characterized in that: An inner plate (51) and an outer plate (52) extend downwardly from both sides of the lower end of the first bent beam (5), and the inner plate (51) and the outer plate (52) are wrapped around the outer wall of the second bent beam (6).

5. The metal beam-column bridge guardrail according to claim 4, characterized in that: The end of the inner plate (51) and the end of the outer plate (52) are bent and protruded (53), and are fixedly connected at the bent and protruded (53).

6. The metal beam-column bridge guardrail according to claim 5, characterized in that: The outer plate (52) is wrapped around the outer side and lower side of the second bent beam (6), the outer plate (52) extends to the inner side of the second bent beam (6), and the inner plate (51) extends to the inner side of the second bent beam (6), so that the bends of the outer plate (52) and the inner plate (51) protrude on the inner side of the second bent beam (6).

7. The metal beam-column bridge guardrail according to claim 1, characterized in that: The cross sections of the first bent beam (5) and the second bent beam (6) are both D-shaped structures; the D-shaped arc surface of the first bent beam (5) is parallel to the surface of the corrugated plate (3); the upper section of the second bent beam (6) and the first bent beam (5) are in the same plane, and the lower section of the second bent beam (6) is inclined toward a side away from the corrugated plate (3).

Images