CN220335702U - Bridge support with U-shaped anti-falling beam - Google Patents
Bridge support with U-shaped anti-falling beam Download PDFInfo
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- CN220335702U CN220335702U CN202321832621.7U CN202321832621U CN220335702U CN 220335702 U CN220335702 U CN 220335702U CN 202321832621 U CN202321832621 U CN 202321832621U CN 220335702 U CN220335702 U CN 220335702U
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- 238000005452 bending Methods 0.000 claims abstract description 4
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- 230000003139 buffering effect Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 6
- 230000035939 shock Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model relates to a bridge support with a U-shaped anti-falling beam, which sequentially comprises a beam body, a support unit and a bridge pier from top to bottom; u-shaped anti-falling beams are arranged on the left side and the right side of the support unit; the straight plate end of the top of the U-shaped anti-falling beam is inserted into the upper Liang Chacao, and the U-shaped anti-falling beam and the upper support are sequentially and fixedly arranged on the beam body through bolts; after the straight plate end of the bottom of the U-shaped falling-prevention beam is inserted into the lower beam slot, the U-shaped falling-prevention beam and the lower support are fixedly installed on the pier through bolts in sequence, and a U-shaped bending end is arranged between the straight plate end of the top of the U-shaped falling-prevention beam and the straight plate end of the bottom of the U-shaped falling-prevention beam. According to the utility model, the U-shaped anti-falling beams arranged on the two sides of the support unit can play a good elastic buffering role between the beam body and the bridge pier when an earthquake occurs, so that the occurrence probability of the situation of falling beams is greatly reduced.
Description
Technical Field
The utility model relates to the technical field related to bridge supports, in particular to a bridge support with a U-shaped anti-falling beam.
Background
Bridges are generally composed of superstructure, substructure, supports and appurtenant structures. Bridge supports are important members for connecting and restraining the upper and lower structures of a bridge, and are an indispensable part for bearing the bridge. The friction pendulum type shock absorbing and isolating support is a novel shock absorbing and isolating device applied to a shock absorbing and isolating system of a bridge structure, has the advantages of simple structure, excellent performance and self-recovery, and is rapidly developed. The friction pendulum type vibration reduction and isolation support utilizes the pendulum principle to extend the movement period of the beam body through spherical surface swing, thereby realizing the vibration isolation function and realizing the vibration reduction function through the consumption of seismic energy by friction of a sliding interface.
Through mass search, the prior art publication number is CN218562071U, it discloses a ball-type support with supporting structure, two downward convex upper support feet are arranged on the bottom surface of the upper support plate, the upper support feet are internally provided with mounting holes with rectangular cross sections, the top surface of the lower support plate is provided with concave spherical surfaces, two sides of the top surface of the lower support plate are provided with lower support feet which can extend into the mounting holes, a spherical crown lining plate is arranged in a gap formed between the upper support plate and the lower support plate, the bottom surface of the lower support plate is provided with an upper groove, a lower groove which is arranged opposite to the upper groove is arranged on the bottom plate, the notch of the upper groove is arranged opposite to the notch of the lower groove, a supporting frame is arranged in a rectangular groove body formed between the upper groove and the lower groove, the inner bottom surface of the lower groove is provided with a lantern ring, and the supporting frame is formed by integrally forming a supporting seat with an inverted isosceles trapezoid cross section and a rectangular base; the spherical support with the supporting structure provided by the utility model can effectively improve the stress of the lower structure, and is simple and convenient to install.
In summary, in the use process of the existing bridge support, when a vertical earthquake force is generated by an earthquake or when serious unbalanced load occurs on the bridge body, the bridge body and the bridge pier are extremely easy to be disjointed due to the fact that the bridge body is not pulled out of tension, so that a beam falling accident occurs.
In view of the above-mentioned drawbacks, the present inventors have actively studied and innovated to create a bridge support with a U-shaped anti-drop beam, which has a more industrial utility value.
Disclosure of Invention
In order to solve the technical problems, the utility model aims to provide the bridge support with the U-shaped anti-falling beam.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the bridge support with the U-shaped anti-falling beam sequentially comprises a beam body, a support unit and a bridge pier from top to bottom, wherein the support unit sequentially comprises an upper support and a lower support from top to bottom, and a spherical crown is arranged between the bottom of the middle end of the upper support and the top of the middle end of the lower support;
u-shaped anti-falling beams are arranged on the left side and the right side of the support unit; the left side and the right side of the upper support are provided with an upper Liang Chacao along the horizontal direction, and the left side and the right side of the lower support are provided with a lower Liang Chacao along the horizontal direction; the straight plate end of the top of the U-shaped anti-falling beam is inserted into the upper Liang Chacao, and the U-shaped anti-falling beam and the upper support are sequentially and fixedly arranged on the beam body through bolts; after the straight plate end at the bottom of the U-shaped anti-falling beam is inserted into the lower beam slot, the U-shaped anti-falling beam and the lower support are sequentially and fixedly arranged on the pier through bolts, and a U-shaped bending end is arranged between the straight plate end at the top of the U-shaped anti-falling beam and the straight plate end at the bottom of the U-shaped anti-falling beam;
a counter bore is formed in the beam body right above the upper Liang Chacao along the vertical direction, a first inserting groove is formed in the pier right below the lower Liang Chacao along the vertical direction, and an inserting assembly located in the counter bore is connected with the first inserting groove right below the counter bore.
As a further improvement of the utility model, the plug-in assembly comprises a first plug-in component, the head of the first plug-in component is clamped in the countersunk hole, and the bottom of the first plug-in component sequentially passes through the straight plate end at the top of the U-shaped anti-falling beam, the upper through hole, the lower through hole and the straight plate end at the bottom of the U-shaped anti-falling beam and then is connected with the first plug-in groove right below.
As a further improvement of the utility model, the plug assembly comprises a second plug connector and a third plug connector from top to bottom in sequence, the top of the third plug connector is provided with a plug connector block, the head of the second plug connector is clamped in the countersink, the bottom of the second plug connector sequentially penetrates through the straight plate end of the top of the U-shaped anti-falling beam and the second plug connector groove right below the upper through hole and is connected with the top of the plug connector, and the bottom of the third plug connector sequentially penetrates through the lower through hole and the straight plate end of the bottom of the U-shaped anti-falling beam and is connected with the first plug connector groove right below.
As a further improvement of the utility model, an upper support right below the straight plate end of the top of the U-shaped anti-falling beam is provided with an upper lug protruding downwards, and a lower support right above the straight plate end of the bottom of the U-shaped anti-falling beam is provided with a lower lug protruding upwards.
As a further improvement of the utility model, an upper plane friction pair is arranged between the middle end bottom of the upper support and the top of the spherical crown, and a lower spherical friction pair is arranged between the middle end top of the lower support and the bottom of the spherical crown.
By means of the scheme, the utility model has at least the following advantages:
according to the utility model, the U-shaped anti-falling beams arranged on the two sides of the support unit can play a good elastic buffering role between the beam body and the bridge pier when an earthquake occurs, so that the occurrence probability of beam falling is greatly reduced;
according to the utility model, through the mounting structure of the plug-in assembly, the tensile pulling resistance and the impact resistance of the bridge support in the vertical direction are improved, and the risk of beam falling caused by longitudinal impact of an earthquake can be greatly reduced.
The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a first embodiment of the present utility model;
FIG. 2 is a schematic diagram of a second embodiment of the present utility model;
FIG. 3 is a schematic view showing a partial structure of the girder, the abutment unit and the pier of FIG. 1 or FIG. 2;
fig. 4 is a schematic structural view of the second and third connectors in fig. 2.
In the drawings, the meaning of each reference numeral is as follows.
The novel anti-falling device comprises a beam body 1, a counter bore 2, a first plug connector 3, an upper support 4, an upper plane friction pair 5, a spherical crown 6, a U-shaped anti-falling beam 7, a bridge pier 8, a lower support 9, a lower spherical friction pair 10, a second plug connector 11, a third plug connector 12, an upper Liang Chacao 13, an upper through hole 14, an upper lug 15, a lower lug 16, a lower through hole 17, a lower Liang Chacao 18, a first plug groove 19, a plug connector 20 and a second plug groove 21.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
In order to make the present utility model better understood by those skilled in the art, the following description will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.
Examples
As shown in figures 1 to 4 of the drawings,
the utility model provides a take bridge support of roof beam that falls is prevented to U type from last down includes the roof beam body 1, support unit and pier 8 in proper order, and the support unit includes upper bracket 4 and lower support 9 from last down in proper order, is provided with spherical cap 6 between the bottom of upper bracket 4 middle-end and the lower support 9 middle-end top of below. An upper plane friction pair 5 is arranged between the bottom of the middle end of the upper support 4 and the top of the spherical crown 6, and a lower spherical friction pair 10 is arranged between the top of the middle end of the lower support 9 and the bottom of the spherical crown 6. The left side and the right side of the support unit are provided with U-shaped anti-falling beams 7; the left side and the right side of the upper support 4 are provided with an upper Liang Chacao 13 along the horizontal direction, and the left side and the right side of the lower support 9 are provided with a lower Liang Chacao 18 along the horizontal direction; after the straight plate end at the top of the U-shaped anti-falling beam 7 is inserted into the upper Liang Chacao, the U-shaped anti-falling beam 7 and the upper support 4 are sequentially and fixedly arranged on the beam body 1 through bolts; after the straight plate end at the bottom of the U-shaped falling-preventing beam 7 is inserted into the lower beam slot 18, the U-shaped falling-preventing beam 7 and the lower support 9 are fixedly installed on the bridge pier 8 sequentially through bolts, and a U-shaped bending end is arranged between the straight plate end at the top of the U-shaped falling-preventing beam 7 and the straight plate end at the bottom of the U-shaped falling-preventing beam 7. A counter bore 2 is formed in the beam body 1 right above the upper Liang Chacao and along the vertical direction, a first inserting groove 19 is formed in the pier 8 right below the lower Liang Chacao and along the vertical direction, and an inserting assembly positioned in the counter bore 2 is connected with the first inserting groove 19 right below.
Wherein, be provided with the bellied upper lug 15 down on the upper bracket 4 directly under the straight board end at U type roof beam 7 top that falls, be provided with the bellied lower lug 16 down on the lower bracket 9 directly over the straight board end of U type roof beam 7 bottom that falls. The upper and lower protrusions 15 and 16 extend the lengths of the upper and lower holders 4 and 9 in the vertical direction, and thus provide a certain external protection to the socket assembly.
As shown in fig. 1, a first embodiment of the present utility model:
on the basis of the bridge support, the plug-in assembly comprises a first plug-in component 3, the head of the first plug-in component 3 is clamped in the countersink 2, and the bottom of the first plug-in component 3 sequentially penetrates through the straight plate end at the top of the U-shaped drop-preventing beam 7, the upper through hole 14, the lower through hole 17 and the straight plate end at the bottom of the U-shaped drop-preventing beam 7 and then is connected with a first plug-in groove 19 right below. The first plug may be an expansion bolt or the like.
As shown in fig. 2 and 4, a second embodiment of the present utility model:
on the basis of the bridge support, the plug assembly sequentially comprises a second plug connector 11 and a third plug connector 12 from top to bottom, a plug connector 20 is arranged at the top of the third plug connector 12, the head of the second plug connector 11 is clamped in the counter bore 2, the bottom of the second plug connector 11 sequentially penetrates through the straight plate end at the top of the U-shaped anti-falling beam 7 and a second plug groove 21 which is arranged right below the upper through hole 14 and is connected with the top of the plug connector 20, and the bottom of the third plug connector 12 sequentially penetrates through the lower through hole 17 and the straight plate end at the bottom of the U-shaped anti-falling beam 7 and is connected with a first plug groove 19 which is arranged right below. The second plug 11 and the third plug 12 may be expansion bolts or the like.
Wherein, the above-mentioned plug-in components all are provided with annular space with the straight board end at the roof portion of U type anti-drop beam 7, go up through-hole 14, down through-hole 17 and straight board end etc. at the bottom of U type anti-drop beam 7 between the above-mentioned downthehole. Through foretell space structure for on having kept the friction swing function of former bridge beam support unit and having improved vertical pulling force's basis, satisfied vertical constraint and not hindered upper bracket and lower support each other horizontal rotation and tilting swing function, guaranteed the normal work of bridge beam support unit.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected: can be mechanically or electrically connected: the terms are used herein to denote any order or quantity, unless otherwise specified.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and it should be noted that it is possible for those skilled in the art to make several improvements and modifications without departing from the technical principle of the present utility model, and these improvements and modifications should also be regarded as the protection scope of the present utility model.
Claims (5)
1. The bridge support with the U-shaped anti-falling beam sequentially comprises a beam body (1), a support unit and a bridge pier (8) from top to bottom, wherein the support unit sequentially comprises an upper support (4) and a lower support (9) from top to bottom, and a spherical crown (6) is arranged between the bottom of the middle end of the upper support (4) and the top of the middle end of the lower support (9) below;
the method is characterized in that:
u-shaped anti-falling beams (7) are arranged on the left side and the right side of the support unit; an upper Liang Chacao (13) is arranged on the left side and the right side of the upper support (4) along the horizontal direction, and a lower Liang Chacao (18) is arranged on the left side and the right side of the lower support (9) along the horizontal direction; after a straight plate end at the top of the U-shaped anti-falling beam (7) is inserted into the upper Liang Chacao (13), the U-shaped anti-falling beam (7) and the upper support (4) are fixedly arranged on the beam body (1) in sequence through bolts; after the straight plate end at the bottom of the U-shaped anti-falling beam (7) is inserted into the lower Liang Chacao (18), the U-shaped anti-falling beam (7) and the lower support (9) are sequentially and fixedly arranged on the bridge pier (8) through bolts, and a U-shaped bending end is arranged between the straight plate end at the top of the U-shaped anti-falling beam (7) and the straight plate end at the bottom of the U-shaped anti-falling beam (7);
the beam body (1) right above the upper Liang Chacao (13) is provided with a countersunk hole (2) along the vertical direction, the bridge pier (8) right below the lower Liang Chacao (18) is provided with a first inserting groove (19) along the vertical direction, and an inserting assembly positioned in the countersunk hole (2) is connected with the first inserting groove (19) right below.
2. The bridge support with the U-shaped anti-falling beam according to claim 1, wherein the plug-in assembly comprises a first plug-in component (3), the head of the first plug-in component (3) is clamped in the counter bore (2), and the bottom of the first plug-in component (3) sequentially penetrates through the straight plate end at the top of the U-shaped anti-falling beam (7), the upper through hole (14), the lower through hole (17) and the straight plate end at the bottom of the U-shaped anti-falling beam (7) and then is connected with a first plug-in groove (19) right below.
3. The bridge support with the U-shaped anti-falling beam according to claim 1, wherein the plug assembly sequentially comprises a second plug connector (11) and a third plug connector (12) from top to bottom, the top of the third plug connector (12) is provided with a plug connector block (20), the head of the second plug connector (11) is clamped in the counter bore (2), the bottom of the second plug connector (11) sequentially penetrates through the straight plate end of the top of the U-shaped anti-falling beam (7) and a second plug connector groove (21) which is right below the back of the upper through hole (14) and is connected with the top of the plug connector block (20), and the bottom of the third plug connector (12) sequentially penetrates through the lower through hole (17) and the straight plate end of the bottom of the U-shaped anti-falling beam (7) and then is connected with a first plug connector groove (19) right below.
4. Bridge support with a U-shaped drop beam according to claim 1, wherein the upper support (4) right below the straight plate end at the top of the U-shaped drop beam (7) is provided with an upper bump (15) protruding downwards, and the lower support (9) right above the straight plate end at the bottom of the U-shaped drop beam (7) is provided with a lower bump (16) protruding upwards.
5. The bridge support with the U-shaped falling-prevention beam according to claim 1, wherein an upper plane friction pair (5) is arranged between the middle end bottom of the upper support (4) and the top of the spherical crown (6), and a lower spherical friction pair (10) is arranged between the middle end top of the lower support (9) and the bottom of the spherical crown (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321832621.7U CN220335702U (en) | 2023-07-13 | 2023-07-13 | Bridge support with U-shaped anti-falling beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321832621.7U CN220335702U (en) | 2023-07-13 | 2023-07-13 | Bridge support with U-shaped anti-falling beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220335702U true CN220335702U (en) | 2024-01-12 |
Family
ID=89459718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321832621.7U Active CN220335702U (en) | 2023-07-13 | 2023-07-13 | Bridge support with U-shaped anti-falling beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220335702U (en) |
-
2023
- 2023-07-13 CN CN202321832621.7U patent/CN220335702U/en active Active
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