CN215857272U - Spliced bridge beam plate stabilizing device - Google Patents
Spliced bridge beam plate stabilizing device Download PDFInfo
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- CN215857272U CN215857272U CN202122078703.4U CN202122078703U CN215857272U CN 215857272 U CN215857272 U CN 215857272U CN 202122078703 U CN202122078703 U CN 202122078703U CN 215857272 U CN215857272 U CN 215857272U
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Abstract
The utility model relates to the technical field of bridge construction, in particular to a spliced bridge beam and slab stabilizing device. Stabilising arrangement is including fixing two fixing clips on the bridge floor side, the fixing clip is connected, two through the wire rope that has the euphroe the fixing clip is installed respectively and is protected the left and right sides that leads to half at the bridge, and the fixing clip agrees with half parcel beam slab's side with the beam slab, wire rope is located beam slab below and both ends are connected respectively and are protected half both sides the fixing clip, the euphroe can extend and contract wire rope is in order to adjust two the interval of fixing clip and then to protecting applying inside compressive stress to the bridge floor that leads to half. The scheme of the utility model can keep the traffic passing capability of the road in the whole bridge construction process. And the dangerous condition caused by instability of the communication protection part of the old bridge is avoided.
Description
Technical Field
The utility model relates to the technical field of bridge construction, in particular to a stabilizing device for a bridge beam plate when an old bridge is subjected to half-width traffic protection construction.
Background
The turnover cover for repairing the bridge on the original road is different from bridge construction on a brand-new road, and a certain traffic capacity of the original bridge during the repair period is maintained in many times. At this time, one side lane, namely, the half lane is firstly removed, and then the other half lane keeps the traffic capacity, so that all the original vehicles enter the reserved half lane to traffic.
However, many old bridges needing to be rebuilt with heavy covers are different from the existing integrated box girder bridges, and a plurality of beam plates are transversely spliced into a bridge deck, namely in the left-right direction. Demolish half bridge floor and concentrate on the vehicle in addition half to keep the vehicle unblocked promptly and keep leading to half a construction, the traffic flow grow, lead to producing great moment of flexure on the beam slab of bridge easily, perhaps vehicle start emergency brake causes the wet seam stress of beam slab to ftracture under the condition that exerts great reaction force to the bridge floor, and whole beam slab takes place the translation even. The safety of the communicated half-width bridge is difficult to guarantee during construction.
In the prior art, the general coping method is to directly fix the beam plates of the traffic-securing half-width bridge into a whole by using the steel plates, and the steel plates are fixed by expansion bolts, but the main structure of the traffic-securing half-width bridge is just broken, so that irreversible damage is easily caused to the traffic-securing half-width bridge, and the traffic-securing half-width normal traffic is influenced. The device can only be installed on the bottom surface of a bridge, the installation and construction are very difficult to hoist and mount by personnel, and the device is not easy to dismantle in the later period.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a spliced bridge beam and slab stabilizing device.
The technical problem to be solved is that: some old bridges with a plurality of beam plates spliced into a bridge deck left and right are subjected to renovation construction, and when certain traffic capacity is maintained to perform half-width traffic maintenance construction, the half-width bridge beam plates which are maintained to be communicated are unstable, connecting joints between the beam plates are easy to crack or even the beam plates slide, and bridge safety is influenced.
In order to solve the technical problem, the spliced bridge beam and slab stabilizing device adopts the following scheme.
A spliced bridge beam plate stabilizing device is used for applying extrusion stress inwards to a half-width beam plate for bridge beam through when a bridge with a bridge deck formed by transversely splicing a plurality of beam plates is subjected to half-width through construction operation,
the stabilizing device comprises two fixing clips which can be fixed on the side edge of the bridge floor, the fixing clips are connected through a steel wire rope with a rope tightening device,
the two fixing clamps are respectively arranged on the left side and the right side of the bridge opening half-width, the fixing clamps are matched with the beam plate to half wrap the side edge of the beam plate, the steel wire rope is positioned below the beam plate, two ends of the steel wire rope are respectively connected with the fixing clamps on the two sides of the opening half-width, and the rope tightener can extend and contract the steel wire rope to adjust the distance between the two fixing clamps so as to apply inward extrusion stress to the bridge floor of the opening half-width;
preferably, the fixing clip is U-shaped and comprises an upper plate, a lower plate and a side plate, wherein the upper end and the lower end of the side plate are respectively connected with the side edges of the upper plate and the lower plate; the fixing clip is made of metal.
Preferably, the lower plate is screwed with a threaded ejector rod, and the top of the threaded ejector rod tightly props against the lower surface of the beam plate.
Preferably, the upper plate of the fixing clamp on the side of the bridge facing the edge is clamped in a flow hole of the bridge floor, or a groove is formed in a bridge guardrail, and the upper plate of the fixing clamp is clamped in the groove.
Preferably, the left side and the right side of the bridge opening-keeping half width are matched, and the inner edge of the fixing clamp, which is in contact with the bridge deck, is provided with anti-skid textures.
Preferably, the fixing clamp is provided with a mounting seat which is used as a mounting base of the guardrail.
Preferably, the rope tensioner is arranged on one side of the adjacent edge of the bridge.
Preferably, the two ends of the steel wire rope are fixed on the fixing clamp on one side of the adjacent edge of the bridge, the lower part of the fixing clamp on the other side of the adjacent edge of the bridge is provided with a pulley, and the steel wire rope bypasses the pulley.
Preferably, the steel wire rope is padded with a backing plate at a fold line on the beam plate for dispersing the pressure of the steel wire rope on the beam plate.
Compared with the prior art, the spliced bridge beam and slab stabilizing device has the following beneficial effects:
the original installation mode that the steel plate is fixed on the beam plate through the expansion bolts after the steel plate is spanned at the joint of the beam plate is changed. The mode that two fixing clamps that can block in the bridge floor both sides are connected to the adoption tightening mechanism, only need be connected to two fixing clamps and protect the both sides of leading to half a width, then let two fixing clamps of tightening means take-up and can let all roof beams board gather together as an organic whole. The beam plate exposed at the outermost side is prevented from translating under the action of external force such as braking. At the same time, in order to avoid the tightening device from affecting the vehicles on the deck, the tightening device is thus arranged below the deck. Because the tightening device is not connected with the bridge deck, the device is only required to be lifted to the lower surface position of the bridge plate from the left side and the right side of the bridge by using ropes and then connected with the fixed card. Or directly lifting the whole beam plate fixing device from the lower part of the bridge, then installing the fixing clip on the side edge of the through half-width, and tensioning the tightening device.
This scheme sets up simply, and easy dismounting has avoided the influence that the operation of punching on the bridge slab caused the structure of bridge, has also avoided the inconvenient problem of operation on the bridge lower surface simultaneously.
Drawings
FIG. 1 is a cross-sectional view of a spliced bridge beam and slab fixing device of the present invention after installation;
FIG. 2 is an enlarged view at A in FIG. 1;
fig. 3 is an enlarged view at B in fig. 1.
Description of reference numerals: the device comprises a beam plate 1, a fixing clamp 2, a threaded ejector rod 2a, a tightening mechanism 3, a steel wire rope 3a, a rope tightener 3b and a guardrail 4.
Detailed Description
The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In the present invention, the use of the directional terms such as "upper, lower, left, right" generally means upper, lower, left, right as shown in reference to fig. 1, unless otherwise specified; "inner and outer" refer to the inner and outer relative to the profile of the components themselves. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In order to solve the problems: the utility model provides a spliced bridge beam and plate stabilizing device, which is used for reinforcing the beam and plate 1 of a half-width bridge with precious property to avoid the beam and plate 1 from moving when the bridge formed by splicing a plurality of beam and plates 1 is subjected to half-width traffic protection construction, wherein the old bridge with the bridge deck spliced from left to right is subjected to overhaul construction, and a certain traffic protection capacity is maintained to carry out half-width traffic protection construction, the half-width bridge beam and plate 1 with traffic protection is unstable, a connecting seam between the beam and plates 1 is easy to crack, even the beam and plate 1 slides, and the safety of the bridge is influenced.
1. A spliced bridge beam plate stabilizing device is used for applying extrusion stress inwards to a half-width beam plate 1 for bridge beam through when a bridge with a bridge deck transversely spliced by a plurality of beam plates 1 is subjected to half-width through construction operation,
the stabilizing device comprises two fixing clips 2 which can be fixed on the side edge of the bridge floor, the fixing clips 2 are connected through a steel wire rope 3a with a rope tightening device 3b,
the two fixing clamps 2 are respectively arranged on the left side and the right side of a half-width of a bridge opening, the fixing clamps 2 are matched with the beam slab 1 and wrap the side edges of the beam slab 1 in a half-wrapping mode, the steel wire rope 3a is positioned below the beam slab 1, two ends of the steel wire rope 3a are respectively connected with the fixing clamps 2 on the two sides of the half-width of the bridge opening, and the rope tightener 3b can extend and contract the steel wire rope 3a to adjust the distance between the two fixing clamps 2 so as to apply inward extrusion stress to the bridge floor of the half-width of the bridge opening;
specifically, the fixing clip 2 can be clipped on the side of the bridge deck or the beam slab 1, and then when applying an inward external force to the fixing clip, the fixing clip 2 can conduct the external force to the beam slab 1 of the bridge, and is not limited by a concrete expression form. The external force of the fixing clips 2 is applied through the tightening mechanism 3, and the tightening mechanism 3 applies acting force towards the inner side of the bridge to the two fixing clips 2 simultaneously during contraction movement. The tightening mechanism 3 is a mechanism capable of contracting and expanding while applying a tensile force in a contracted state and maintaining the tensile force. The screw rod or the hydraulic mechanism can be used, but the screw rod or the hydraulic mechanism is heavy and high in cost and is not a use occasion of the utility model. Therefore, the steel wire rope 3a with the rope tightener 3b is preferably adopted in the utility model, the rope tightener 3b can enable the steel wire rope 3a to contract or extend, the steel wire rope 3a directly applies tension to the two fixing clamps 2, the rope tightener 3b is directly arranged on the steel wire rope 3a and can be a hand-operated take-up device as shown in fig. 2, and then a ratchet wheel is used for fixing and maintaining the tension, or can be any steel wire rope 3a rope tightener 3b, and the operation only needs to tighten and fix the steel wire rope 3 a. Preferably for convenient operation, euphroe 3b sets up and faces limit one side at the bridge, and further preferably, wire rope 3 a's both ends are fixed on the fixing clip 2 that the limit one side was faced to the bridge, and the pulley is installed to the lower part of the fixing clip 2 of opposite side, and wire rope 3a walks around the pulley. Alternatively, as shown in fig. 2, one or more steel wires may be used, and both ends of the steel wire rope 3a are directly connected to the two fixing clips 2. It is preferable that the rope tensioner 3b is fixed to the fixing clip 2 according to the kind of the selected rope tensioner 3b, and then one end of the wire rope 3a is connected to the rope tensioner 3b and the other end is connected to the other fixing clip 2.
At the same time, in order to avoid the tightening device from affecting the vehicles on the deck, the tightening device is thus arranged below the deck. Because the tightening device is not connected with the bridge deck, the setting only needs to be lifted to the lower surface position of the bridge plate 1 from the left side and the right side of the bridge by using ropes, and then the tightening device is connected with the fixing clip 2. Or directly lifting the whole beam plate 1 fixing device from the bridge, and then installing the fixing clip 2 on the side edge of the through half-width, and tensioning the tightening device.
The fixing clip 2 is U-shaped and is fit with the left side and the right side of the bridge opening half-width, and the inner edge of the fixing clip 2 is provided with anti-skid textures; the anti-slip texture prevents the fixing clip 2 from falling off. One side of the fixing clip 2 on the side close to the edge is clipped in a running water hole of the bridge floor, or one side of the fixing clip 2 with a slot is clipped in the slot on the bridge guardrail 4, or as shown in figure 2, under the condition that the guardrail 4 of the bridge is firmer, the fixing clip 2 on the side close to the edge can also be directly fixed on the guardrail 4. The other side is simpler, as shown in fig. 3, and it is only necessary to directly clip on the exposed beam plate 1. Specifically, as shown on the left side of FIG. 1 or as shown in FIG. 2,
the fixing clip 2 is U-shaped and comprises an upper plate, a lower plate and a side plate, wherein the upper end and the lower end of the side plate are respectively connected with the side edges of the upper plate and the lower plate; the fixing clip 2 is made of metal.
And a threaded mandril 2a is screwed on the lower plate, and the top of the threaded mandril 2a tightly props the lower surface of the beam plate 1. Can push up fixing clip 2 tightly on beam slab 1 through screw ejector pin 2a like this, screw ejector pin 2a installs on the hypoplastron simultaneously and avoids influencing the vehicle on the one hand, also can install on the upper plate if do not have this aspect of worry, therefore screw ejector pin 2a is vertical to be set up on fixing clip 2's upper plate or hypoplastron to one end pushes up beam slab 1 tightly. The threaded mandrel 2a is to be avoided from being mounted on the side plate.
As shown in fig. 2, the fixing clip 2 is provided with a mounting seat which is used as a mounting base of the guardrail 4. The guardrail 4 provides the safety guarantee for one side that the bridge exposes simultaneously.
The steel wire rope 3a is padded with a backing plate at the broken line on the beam plate 1 for dispersing the pressure of the steel wire rope 3a on the beam plate 1.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (9)
1. A spliced bridge beam plate stabilizing device is used for applying extrusion stress inwards to a half-width beam plate (1) for maintaining bridge communication when a bridge with a bridge deck transversely spliced by a plurality of beam plates (1) is subjected to half-width communication construction operation,
the stabilizing device comprises two fixing clamps (2) which can be fixed on the side edge of the bridge floor, the fixing clamps (2) are connected through a steel wire rope (3 a) with a rope tightening device (3 b),
two fixing clip (2) are installed respectively and are being protected the left and right sides of leading to half a width of cloth at the bridge, and fixing clip (2) agree with half parcel beam slab (1) side with beam slab (1), wire rope (3 a) are located beam slab (1) below and both ends are connected respectively and are protected leading to half a width of cloth fixing clip (2), euphroe (3 b) can extend and shrink wire rope (3 a) are in order to adjust two the interval of fixing clip (2) and then apply inside extrusion stress to the bridge floor of protecting leading to half a width of cloth.
2. The spliced bridge beam and slab stabilizing device according to claim 1, wherein the fixing clip (2) is U-shaped and comprises an upper plate, a lower plate and a side plate, and the upper end and the lower end of the side plate are respectively connected with the side edges of the upper plate and the lower plate; the fixing clip (2) is made of metal.
3. Spliced bridge beam and slab stabilizing device according to claim 2, characterized in that the threaded mandril (2 a) is screwed on the lower slab, and the top of the threaded mandril (2 a) is tightly pressed against the lower surface of the beam slab (1).
4. Spliced bridge beam and slab stabilizing device according to claim 2, characterized in that the upper plate of the fixing clip (2) on the side of the bridge facing the edge is clamped in the flow hole of the deck or by grooving the bridge railing (4) and clamping the upper plate of the fixing clip (2) in the grooving.
5. Spliced bridge beam and slab stabilizing device according to claim 1, characterized in that the left and right sides of the bridge opening half-width are engaged, and the inner edge of the fixing clip (2) contacting the deck is provided with anti-slip texture.
6. Spliced bridge girder stabilization device according to claim 1, wherein the fixing clip (2) is provided with a mounting seat, which serves as a mounting base for the guardrail (4).
7. Spliced bridge girder stabilization device according to claim 1, wherein the rope tensioner (3 b) is arranged on the side of the bridge facing the edge.
8. Spliced bridge beam and slab stabilizing device according to claim 1, characterized in that the two ends of the steel wire rope (3 a) are fixed on the fixing clip (2) on one side of the adjacent edge of the bridge, the lower part of the fixing clip (2) on the other side is provided with a pulley, and the steel wire rope (3 a) is wound around the pulley.
9. Spliced bridge beam and slab stabilizing device according to claim 1, characterized in that the steel cable (3 a) is padded with a backing plate at the fold line on the beam slab (1) for dispersing the pressure of the steel cable (3 a) on the beam slab (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122078703.4U CN215857272U (en) | 2021-08-31 | 2021-08-31 | Spliced bridge beam plate stabilizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122078703.4U CN215857272U (en) | 2021-08-31 | 2021-08-31 | Spliced bridge beam plate stabilizing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215857272U true CN215857272U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122078703.4U Active CN215857272U (en) | 2021-08-31 | 2021-08-31 | Spliced bridge beam plate stabilizing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215857272U (en) |
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2021
- 2021-08-31 CN CN202122078703.4U patent/CN215857272U/en active Active
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