CN205115994U - Multistage defence controllability roof beam device of preventing falling - Google Patents
Multistage defence controllability roof beam device of preventing falling Download PDFInfo
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- CN205115994U CN205115994U CN201520893024.4U CN201520893024U CN205115994U CN 205115994 U CN205115994 U CN 205115994U CN 201520893024 U CN201520893024 U CN 201520893024U CN 205115994 U CN205115994 U CN 205115994U
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- multistage
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Abstract
The utility model discloses a multistage defence controllability roof beam device of preventing falling, owing to adopted multistage defence controllability device, that has realized the bridge vertically prevents the roof beam that falls, owing to the lateral wall of multistage defence controllability device has certain clearance with being connected between the end plate, when the emergence transversely fell the roof beam, the connection end plate was under the tensile force of tensile chain, and the clearance between the lateral wall of controllability device diminishes, multistage defence controllability roof beam device of preventing falling can produce the pulling force of horizontal direction to the bridge, can prevent the roof beam that transversely falls. Because multistage defence controllability roof beam device of preventing falling has adopted multistage defence controllability device, certain seismic action can all be resisted to each grade shear force baffle of multistage defence controllability device, and every grade of shear force baffle is to the certain cushioning effect of liang douyou that falls, can defend to resist the bridge roof beam that falls many times.
Description
Technical field
The utility model relates to bridge construction field, refers to a kind of multistage defence controllability anti-fall girder apparatus especially.
Background technology
Anti-fall girder apparatus is one of building block important in bridge construction, and its effect is when earthquake occurs, and plays cushioning effect to bridge main beam, ensures that girder does not fall beam.
First, when geological process is larger, bridge is easy to beam, and only resisting bridge by simple once defence and to fall beam, is safe not.Secondly, when earthquake occurs, often along with other aftershock, according to actual seismic generation experience, the aftershock after earthquake also can make bridge that strong earthquake response occurs, and girder can be caused again to bear larger geological process.Again, earthquake has randomness, unpredictable to the seismic response of bridge, needs to adopt multiple defense to ensure that bridge does not fall beam.
Traditional anti-fall girder apparatus, general just once defence resists geological process, suffers the strick precaution of aftershock less to bridge; On the other hand, some novel anti-fall girder apparatus, although the measure with multistage defence, general structure is complicated, and construction technology and installation etc. are more difficult; And traditional anti-fall girder apparatus generally only has longitudinal direction or only has horizontal girder falling function.
Therefore, be necessary to design there is vertical and horizontal girder falling function, and the structure with multistage defence controllability simple, be easy to check the anti-fall girder apparatus changed.
Utility model content
In view of this, the purpose of this utility model is that proposing one has vertical and horizontal girder falling function, and has the anti-fall girder apparatus of multistage defence controllability.
Based on the one multistage defence controllability anti-fall girder apparatus that above-mentioned purpose the utility model provides, comprise the first link, linkage and the second link, described second link has multistage defence controllability device; Described first link is connected with one end of described linkage, and the other end of described linkage is connected with the multistage defence controllability device on the second link;
Described multistage defence controllability device comprises circumferential closed steel case, shearing baffle plate, connects end plate, the second metallic pin, connecting ring and connection otic placode;
What described shearing baffle plate was paired is vertically mounted on the relative sidewall of described steel case, described connection end plate is positioned at the top of described shearing baffle plate, described connection end plate be connected otic placode and be fixedly connected with, described connection otic placode is by described second metallic pin and connecting ring bolt, and described connecting ring is connected with described linkage one end.Described first link comprises the first pre-buried anchor rod group, first end junction plate, otic placode and the first metallic pin; Described second link comprises multistage defence controllability device, the second end junction plate and the second pre-buried anchor rod group; Described linkage is tension chain.
Described first pre-buried anchor rod group is fixed on the side of described first end junction plate; The opposite side of described first end junction plate is fixedly connected with described otic placode, and described otic placode is connected with tension chain one end by described first metallic pin, and the other end of described tension chain is connected with described multistage defence controllability device; The upper surface of described multistage defence controllability device is fixedly connected with the side of the second end junction plate, and the opposite side of described the second end junction plate is fixedly connected with the second pre-buried anchor rod group.
Optionally, on described connection end plate and/or described shearing baffle plate, spraying or sulfuration have rubber.
Optionally, described steel case sidewall is distributed with bolt hole.
Optionally, described shearing baffle plate is divided into base plate and multistage baffle plate, described base plate and multistage baffle plate horizontal slice, and the space between shearing baffle plate is greater than the thickness of described connection end plate, described base plate welds or is bolted to the wall of steel case, and described all the other baffle plates of shearing baffle plate are bolted to the wall of steel case.
Optionally, the half of the width of described connection end plate is greater than paired shearing baffle plate distance in the horizontal direction; The width of described connection end plate is less than the width of steel case.
Optionally, have certain lateral clearance between described shearing baffle plate, described gap can be regulated by different bolts hole according to actual needs.
Optionally, described tension chain is high strength drag-line or wire rope or steel tendon.
Optionally, the material of described junction plate, otic placode, metallic pin and tension chain is high-strength tensile steel.
As can be seen from above, the one that the utility model provides multistage defence controllability anti-fall girder apparatus, due to first connect on end plate to be connected on end plate pre-buried anchor with second fluted, increase the bonding strength between link and bridge, the link be connected with bridge beam body is made to be not easy to come off from Liang Tizhong, make described multistage defence controllability anti-fall girder apparatus, there is longitudinal girder falling of bridge.Due to fluted in the pre-buried anchor group on the link that described multistage defence controllability device is connected with bridge pier, increase the bonding strength between link and bridge pier, the link be connected with bridge beam body is made to be not easy to come off from Liang Tizhong, simultaneously, when occurring laterally to fall beam, connect end plate under the pulling force effect of tension chain, and the gap smaller between the sidewall of controllability device, described multistage defence controllability anti-fall girder apparatus can produce the pulling force of horizontal direction to bridge, can prevent from laterally falling beam.Because described multistage defence controllability anti-fall girder apparatus have employed multistage defence controllability device, every one-level shearing baffle plate of described multistage defence controllability device can resist certain geological process, the cushioning effect that every grade of shearing baffle plate is certain to the Liang Douyou that falls, repeatedly can defend to resist bridge and to fall beam.
Accompanying drawing explanation
Fig. 1 is the utility model multistage defence controllability anti-fall girder apparatus plane structure schematic diagram;
Fig. 2 is the structure sectional view schematic diagram of the utility model multistage defence controllability device;
Fig. 3 is the texture edge figure schematic diagram of an embodiment of the utility model multistage defence controllability device.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with specific embodiment, and with reference to accompanying drawing, the utility model is further described.
As shown in Figure 1, be the plane structure schematic diagram of the utility model multistage defence controllability anti-fall girder apparatus embodiment.Comprise the first link, linkage and the second link, wherein said second link has multistage defence controllability device 6.Described first link is connected with one end of described linkage, and the other end of described linkage is connected with the multistage defence controllability device 6 on the second link.
Described multistage defence controllability device 6 comprises circumferential closed steel case 13, shearing baffle plate 8, connects end plate 9, second metallic pin 14, connecting ring 10 and be connected otic placode 15.
Described shearing baffle plate 8 is set at least two groups, often form on the right relative sidewall being vertically mounted on described steel case 13, described connection end plate 9 is positioned at the top of going up shearing baffle plate 8 described in a group most, described connection end plate 9 be connected otic placode 15 and be fixedly connected with, described connection otic placode 15 is by described second metallic pin 14 and connecting ring 10 bolt, and described connecting ring 10 is connected with linkage one end.
Further, described first link comprises the first pre-buried anchor rod group 1, first end junction plate 2, otic placode 3 and the first metallic pin 11.Described linkage is tension chain 4.Described second link, except described multistage defence controllability device 6, also comprises: the second end junction plate 7 and the second pre-buried anchor rod group 12.
Described first pre-buried anchor rod group 1 is fixed on the side of described first end junction plate 2; The opposite side of described first end junction plate 2 is fixedly connected with described otic placode 3, and its connected mode is welding or bolt.Porose on described otic placode 3, described otic placode is connected with tension chain 4 one end by described first metallic pin 11, and the other end of described tension chain 4 is connected with described multistage defence controllability device 6; The upper surface of described multistage defence controllability device 6 and the soffit of the second end junction plate 7 are fixedly connected with by the mode such as weld, and the upper surface of described the second end junction plate 7 and the second pre-buried anchor be excellent to be organized 12 and be fixedly connected with.
As shown in Figure 2, described multistage defence controllability device 6 comprises: circumferential closed steel case 13, shearing baffle plate 8, connect end plate 9, second metallic pin 14, connecting ring 10 and be connected otic placode 15.The sidewall of described steel case 13 there is bolt hole, bolt hole on the through steel case 13 of positioning bolt 5, described shearing baffle plate 8 is by the paired relative sidewall being vertically mounted on described steel case 13 of positioning bolt 5, described connection end plate 9 be connected otic placode 15 and be fixedly connected with, described connection otic placode 15 is by described second metallic pin 14 and described connecting ring 10 bolt, and described connecting ring 10 is socketed with described tension chain 4 one end or welds.Horizontal range between often pair of shearing baffle plate 8 is less than the width connecting end plate 9, prevents the described connection end plate 9 tension masterpiece used time from coming off between shearing baffle plate 8.In use, described connection end plate is placed on a pair shearing baffle plate topmost.
As shown in Figure 3, for the texture edge figure schematic diagram of an embodiment of the utility model multistage defence controllability device, second pre-buried anchor rod group 12 is vertically fixed on the second end junction plate 7, all fluted on every root pre-buried anchor rod of the second pre-buried anchor rod group 12, the top of multistage defence controllability device 6 is fixedly connected with the bottom of the second end junction plate 7, and this connected mode can be welding, bolt or clamping.The sidewall of multistage defence controllability device 6 has the positioning bolt 5 for fixing shearing baffle plate, described positioning bolt 5 layer distributed is on the sidewall of multistage defence controllability device 6.
As embodiment of the present utility model, the pre-buried rod of every root that described first pre-buried rod group 1 and the second pre-buried anchor rod are organized in 12 is column structure, fluted on described pre-buried anchor rod, making pre-buried anchor rod can be good at being fixed in Bridge Pier or beam, making anti-fall girder apparatus be difficult to when there is earthquake come off in Bridge Pier or beam.
As another embodiment of the present utility model, on described connection end plate 9 and/or described shearing baffle plate 8 contact surface or all surfaces, spraying or sulfuration have rubber.
As an embodiment more of the present utility model, the bolt hole that described steel case 13 sidewall distributes is layer distributed when not affecting the robustness of steel case 13, described shearing baffle plate 8 is fixed on the sidewall of described steel case 13 by positioning bolt 5, can be according to actual needs, by regulating different bolt hole to install shearing baffle plate 8, the number of plies of the gap width between shearing baffle plate 8 or shearing baffle plate 8 is made to reach requirement.
In embodiment of the present utility model, described shearing baffle plate 8 is divided into base plate and multistage baffle plate, described base plate and multistage baffle plate horizontal slice, and described base plate refers to the shearing baffle plate of bottom, the i.e. bottom surface of steel case 13, described multistage baffle plate refers to the shearing baffle plate except base plate.Vertical space between shearing baffle plate 8 is greater than the thickness of described connection end plate 9, and described base plate welds or is bolted to the sidewall of steel case, and the multistage baffle plate of described shearing baffle plate 8 is bolted to the sidewall of steel case, and the supporting capacity of described base plate is the strongest.
In embodiment of the present utility model, the half of the width of described connection end plate 9 is greater than the distance in paired shearing baffle plate 8 gap in the horizontal direction; The width of described connection end plate 9 is less than the width of steel case 13.
In embodiment of the present utility model, described tension chain 4 is high strength drag-line or wire rope or steel tendon.
In order to make effect of the present utility model more obvious, the material of described junction plate, otic placode, metallic pin and tension chain is to high-strength tensile steel.
Those of ordinary skill in the field are to be understood that: the discussion of above any embodiment is only exemplary, and not intended to be implies that the scope of the present disclosure (comprising claim) is limited to these examples; Under thinking of the present utility model, can combine between the technical characteristic in above embodiment or different embodiment yet, and there are other changes many of different aspect of the present utility model as above, they do not provide in details for the sake of simplicity.Therefore, all within spirit of the present utility model and principle, any omission made, amendment, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. a multistage defence controllability anti-fall girder apparatus, is characterized in that, comprises the first link, the second link and linkage, wherein has multistage defence controllability device at described second link; Described first link is connected with one end of described linkage, and the other end of described linkage is connected with the multistage defence controllability device on the second link;
Described multistage defence controllability device comprises circumferential closed steel case, shearing baffle plate, connects end plate, the second metallic pin, connecting ring and connection otic placode;
Described shearing baffle plate is set at least two groups, often form on the right relative sidewall being vertically mounted on described steel case, described connection end plate is positioned at the top of described shearing baffle plate, described connection end plate be connected otic placode and be fixedly connected with, described connection otic placode is by described second metallic pin and connecting ring bolt, and described connecting ring is connected with described linkage one end.
2. multistage defence controllability anti-fall girder apparatus according to claim 1, is characterized in that, described first link comprises the first pre-buried anchor rod group, first end junction plate, otic placode and the first metallic pin; Described second link comprises multistage defence controllability device, the second end junction plate and the second pre-buried anchor rod group; Described linkage is tension chain;
Described first pre-buried anchor rod group is fixed on the side of described first end junction plate; The opposite side of described first end junction plate is fixedly connected with described otic placode, and described otic placode is connected with tension chain one end by described first metallic pin, and the other end of described tension chain is connected with the bottom surface of described multistage defence controllability device; The upper surface of described multistage defence controllability device is fixedly connected with the side of the second end junction plate, and the opposite side of described the second end junction plate is fixedly connected with the second pre-buried anchor rod group.
3. multistage defence controllability anti-fall girder apparatus according to claim 2, is characterized in that, described connection end plate and/or described shearing baffle plate scribble rubber.
4. multistage defence controllability anti-fall girder apparatus according to claim 2, is characterized in that, described steel case sidewall is distributed with bolt hole.
5. multistage defence controllability anti-fall girder apparatus according to claim 2, it is characterized in that, described shearing baffle plate is divided into base plate and multistage baffle plate, described base plate and multistage baffle plate horizontal slice, space between shearing baffle plate is greater than the thickness of described connection end plate, described base plate welds or is bolted to the wall of steel case, and described all the other baffle plates of shearing baffle plate are bolted to the wall of steel case.
6. the multistage defence controllability anti-fall girder apparatus according to Claims 2 or 3, is characterized in that, the half of the width of described connection end plate is greater than paired shearing baffle plate distance in the horizontal direction; The width of described connection end plate is less than or equal to the width of steel case.
7. multistage defence controllability anti-fall girder apparatus according to claim 5, it is characterized in that there is certain lateral clearance between described shearing baffle plate, described gap can be regulated by different bolts hole according to actual needs.
8. multistage defence controllability anti-fall girder apparatus according to claim 2, is characterized in that, described tension chain is high strength drag-line or wire rope or steel tendon.
9. multistage defence controllability anti-fall girder apparatus according to claim 2, is characterized in that, the material of described junction plate, otic placode, metallic pin and tension chain is high-strength tensile steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520893024.4U CN205115994U (en) | 2015-11-10 | 2015-11-10 | Multistage defence controllability roof beam device of preventing falling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520893024.4U CN205115994U (en) | 2015-11-10 | 2015-11-10 | Multistage defence controllability roof beam device of preventing falling |
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| Publication Number | Publication Date |
|---|---|
| CN205115994U true CN205115994U (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520893024.4U Active CN205115994U (en) | 2015-11-10 | 2015-11-10 | Multistage defence controllability roof beam device of preventing falling |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108301327A (en) * | 2018-01-22 | 2018-07-20 | 徐健 | Bridge construction anti-drop device |
| CN113356023A (en) * | 2021-05-27 | 2021-09-07 | 中冶华成(武汉)工程有限公司 | Combined anti-seismic connecting structure for bridge construction |
-
2015
- 2015-11-10 CN CN201520893024.4U patent/CN205115994U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108301327A (en) * | 2018-01-22 | 2018-07-20 | 徐健 | Bridge construction anti-drop device |
| CN113356023A (en) * | 2021-05-27 | 2021-09-07 | 中冶华成(武汉)工程有限公司 | Combined anti-seismic connecting structure for bridge construction |
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