CN213804850U - Anti-collision blocking device for bridge beam box - Google Patents
Anti-collision blocking device for bridge beam box Download PDFInfo
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- CN213804850U CN213804850U CN202022719756.5U CN202022719756U CN213804850U CN 213804850 U CN213804850 U CN 213804850U CN 202022719756 U CN202022719756 U CN 202022719756U CN 213804850 U CN213804850 U CN 213804850U
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- beam box
- fixed rod
- side wall
- supporting framework
- bridge
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Abstract
An anti-collision blocking device for a bridge beam box is connected to the side wall of the beam box in a hanging mode and comprises a supporting framework, a rubber cushion layer and a pre-buried fixed rod, wherein the top of the supporting framework is radially penetrated and connected with the pre-buried fixed rod in a penetrating mode, and the bottom of the supporting framework is compositely bonded and fixedly sleeved with the rubber cushion layer; one end of the pre-buried fixed rod is pre-buried and fixedly arranged inside the side wall of the beam box, and the other end of the fixed rod extends to the outside of the beam box and is fixedly connected with the limiting block. The blocking device can form a buffer blocking with a supporting framework on the side wall of the beam box, avoids the problem of beam box impact, does not damage the concrete surface of the side wall of the beam box, and avoids the problem of concrete cracking caused by stress extrusion.
Description
Technical Field
The utility model relates to a bridge construction technical field specifically is a bridge roof beam case separates fender device with crashproof.
Background
The concrete box body structure has the advantages of large torsional rigidity, uniform internal force distribution and the like, and is widely applied to bridge structures, such as main beams of continuous rigid frame bridges, cable towers of cable-stayed bridges and suspension bridges, piers of long-span bridges and the like, and the construction of the beam box by the concrete beam box splicing method is widely applied.
But all can have a plurality of roof beam casees and collide each other the extrusion in roof beam case construction hoist and mount and later stage bridge traffic use, or roof beam case lateral wall extrusion bridge pier stud scheduling problem. The beam box needs to be sequentially hoisted and spliced in hoisting construction, the beam box needs to be finely adjusted in distance after being hoisted to a close position, the beam box is easy to extrude and impact at the moment, and a bridge in the use of a general car is easy to locally collide and extrude after being heated and expanded in summer or being cooled and contracted in winter due to the existence of expansion joints. Under extreme working conditions (earthquakes, typhoons and the like), local collision and extrusion can be generated between bridge bodies and between the bridge bodies and pier columns.
In the prior art, a method of bonding rubber pads on the side walls of beam boxes is generally adopted to provide anti-collision buffer for the gap positions between the beam boxes or between the beam boxes and pier columns, but the rubber pads fixed by bonding are easy to fall off after long-term use, and the structural strength is insufficient, so that the aging, damage and deformation conditions are serious.
Through published patent searches, the following comparison documents were found:
the utility model discloses a bridge box web protection structure (CN210658025U), wherein a support protection plate is arranged to be clung to the outer surface of a bridge box web, three groups of connecting plates are fixedly arranged on the outer side surface of the support protection plate relative to the bridge box web from top to bottom, and the connecting plates are connected with a support mechanism; mounting support mechanisms on the connecting plates according to mounting requirements, fixedly mounting a group of support mechanisms at four corners of the upper-layer connecting plate and the lower-layer connecting plate respectively, and mounting a group of support mechanisms on the left side and the right side of the middle-layer connecting plate respectively; the supporting mechanism comprises a threaded pipe and two groups of adjusting screw rods, one ends of the adjusting screw rods are installed on the connecting plate, the other ends of the adjusting screw rods are respectively screwed at the two ends of the threaded pipe, and threads at the two ends of the threaded pipe are spirally arranged in opposite directions. The utility model discloses a have simple structure and, can be to bridge box web stable protection's beneficial effect.
Through the analysis, the protective structure in the above-mentioned patent of disclosing compares with the fender device of this application, all is different in aspects such as structure, function, mounted position and crashproof buffering effect, consequently does not influence the novelty of this application.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's weak point, provide a bridge roof beam case is with crashproof separates fender device, should separate the fender device and can form the buffering that has support chassis on the roof beam case lateral wall and separate the fender, avoided the problem of roof beam case striking to should separate the concrete surface that the fender device can not harm the roof beam case lateral wall, avoid the atress extrusion and the concrete fracture problem that leads to.
An anti-collision blocking device for a bridge beam box is connected to the side wall of the beam box in a hanging mode and comprises a supporting framework, a rubber cushion layer and a pre-buried fixed rod, wherein the top of the supporting framework is radially penetrated and connected with the pre-buried fixed rod in a penetrating mode, and the bottom of the supporting framework is compositely bonded and fixedly sleeved with the rubber cushion layer; one end of the pre-buried fixed rod is pre-buried and fixedly arranged inside the side wall of the beam box, and the other end of the fixed rod extends to the outside of the beam box and is fixedly connected with the limiting block.
The supporting framework comprises a steel plate and a plurality of steel bars, wherein the steel plate is vertically arranged, the plurality of steel bars are vertically welded on the planar side wall at the top of the steel plate, and the plurality of side walls of the steel plate are coated and compounded with rubber cushion layers in an adhesive mode; the upper portion of rod iron all makes the fixed connection hole that has radially link up, and the pre-buried dead lever of penetration connection in this fixed connection hole.
And the length of the embedded fixed rod extending out of the side wall of the beam box is less than the sum of the thickness of the steel plate and the thickness of the two layers of rubber gaskets.
And the total height from the top surface to the bottom surface of the blocking device is smaller than the thickness of the beam box, and a plurality of steel bars in the blocking device are equal in length.
The utility model has the advantages and the technical effect be:
the utility model discloses an anticollision keeps off device for bridge beam box, through fixed grafting in the activity of the pre-buried dead lever activity in the roof beam box lateral wall articulates supporting framework and rubber bed course, wherein the rod iron of supporting framework is used for articulating supporting steel sheet and rubber bed course, and the top of rod iron can slide displacement on pre-buried dead lever, is used for uninstalling part impact stress, avoids pre-buried dead lever or rod iron fracture; in addition, the steel sheet of supporting framework is used for providing inside support for the rubber cushion, and the steel sheet possesses certain elastic deformation volume, provides more reliable mounting means, can effectively avoid at the direct rubber cushion that bonds of roof beam case lateral wall and the rubber cushion that leads to drops the problem.
The utility model discloses a bridge roof beam case separates fender device with crashproof, with the interior support of steel sheet formation rubber bed course for rubber bed course possesses certain structural rigidity, and certain elastic deformation volume, has solved the problem of roof beam case striking, and should separate the concrete surface that fender device can not harm the roof beam case lateral wall, avoids the atress extrusion and the concrete fracture problem that leads to.
Drawings
FIG. 1 is a front view (partially schematic position) of the side wall of the middle beam box of the present invention;
FIG. 2 is a side view of the middle barrier device of the present invention connected to a beam box;
FIG. 3 is a cross-sectional view of section A-A of FIG. 2;
fig. 4 is a sectional view of the baffle device of the present invention;
in the figure: 1-beam box; 2, a limiting block; 3-a rubber cushion layer; 4-a steel bar; 5, pre-burying a fixed rod; 6-steel plate; 7-fixing the connecting hole.
Detailed Description
For further understanding of the contents, features and effects of the present invention, the following embodiments will be exemplified in conjunction with the accompanying drawings. It should be noted that the present embodiment is illustrative, not restrictive, and the scope of the invention should not be limited thereby.
An anti-collision blocking device for a bridge beam box is connected to the side wall of a beam box 1 in a hanging mode and comprises a supporting framework, a rubber cushion layer 3 and a pre-buried fixed rod 5, wherein the top of the supporting framework is radially penetrated and connected with the pre-buried fixed rod, and the bottom of the supporting framework is compositely bonded and fixedly sleeved with the rubber cushion layer; one end of the pre-buried fixed rod is pre-buried and fixedly arranged inside the side wall of the beam box, and the other end of the fixed rod extends to the outside of the beam box and is fixedly connected with the limiting block 2.
Moreover, the supporting framework comprises a steel plate 6 and a plurality of steel bars 4, wherein the steel plate is vertically arranged, the plurality of steel bars are vertically welded on the planar side wall at the top of the steel plate, and the plurality of side walls of the steel plate are coated and compounded with rubber cushion layers; the upper portion of rod iron all makes the fixed connection hole 7 that has a radial link up, pierces through in this fixed connection hole and connects pre-buried dead lever.
And the length of the embedded fixed rod extending out of the side wall of the beam box is less than the sum of the thickness of the steel plate and the thickness of the two layers of rubber gaskets.
And the total height from the top surface to the bottom surface of the blocking device is smaller than the thickness of the beam box, and a plurality of steel bars in the blocking device are equal in length.
To more clearly illustrate the embodiments of the present invention, an example is provided below:
the utility model discloses an anticollision barrier device for bridge beam box, need according to actual construction needs, the activity articulate on the roof beam box lateral wall that is close to the barrier (including other roof beam boxes and pier stud etc.), when the roof beam box takes place relative displacement with other roof beam boxes and pier stud, by the rubber cushion layer plane elastic support who the cladding bonds on the steel sheet two subtend faces that will strike, thereby play striking buffering barrier effect, and this barrier device can be used for a long time, can not take place the rubber cushion layer that leads to long-time use and bond the inefficacy and then the problem that drops; in actual construction, the separation and blocking devices can be installed in expansion joints between bridge beam boxes and in gaps between side walls of the beam boxes and pier columns, and the separation and blocking devices do not need to be detached after construction.
The parts of the utility model which are not described all adopt the mature products and the mature technical means in the prior art.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (4)
1. The utility model provides a bridge roof beam is crashproof for case separates fender device which characterized in that: the baffle device is hung on the side wall of the beam box and comprises a supporting framework, a rubber cushion layer and an embedded fixed rod, wherein the top of the supporting framework is radially penetrated and connected with the embedded fixed rod, and the bottom of the supporting framework is compositely bonded and fixedly sleeved with the rubber cushion layer; one end of the embedded fixed rod is embedded and fixedly arranged inside the side wall of the beam box, and the other end of the fixed rod extends to the outside of the beam box and is fixedly connected with the limiting block.
2. The anti-collision baffle device for the bridge beam box according to claim 1, which is characterized in that: the supporting framework comprises a steel plate and a plurality of steel bars, wherein the steel plate is vertically arranged, the plurality of steel bars are vertically welded on the planar side wall at the top of the steel plate, and the plurality of side walls of the steel plate are coated with and compounded with rubber cushion layers in an adhesive mode; and the upper part of the steel bar is provided with radially through fixed connecting holes, and the fixed connecting holes are internally connected with embedded fixing rods in a penetrating manner.
3. The anti-collision baffle device for the bridge beam box according to claim 1, which is characterized in that: the length of the embedded fixed rod extending out of the side wall of the beam box is smaller than the sum of the thickness of the steel plate and the thickness of the two layers of rubber gaskets.
4. The anti-collision baffle device for the bridge beam box according to claim 1, which is characterized in that: the total height from the top surface to the bottom surface of the blocking device is smaller than the thickness of the beam box, and a plurality of steel bars in the blocking device are equal in length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022719756.5U CN213804850U (en) | 2020-11-23 | 2020-11-23 | Anti-collision blocking device for bridge beam box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022719756.5U CN213804850U (en) | 2020-11-23 | 2020-11-23 | Anti-collision blocking device for bridge beam box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213804850U true CN213804850U (en) | 2021-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022719756.5U Active CN213804850U (en) | 2020-11-23 | 2020-11-23 | Anti-collision blocking device for bridge beam box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213804850U (en) |
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2020
- 2020-11-23 CN CN202022719756.5U patent/CN213804850U/en active Active
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