CN203049449U - Casing-box-type horizontal module-type bridge expansion device - Google Patents
Casing-box-type horizontal module-type bridge expansion device Download PDFInfo
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- CN203049449U CN203049449U CN 201320000209 CN201320000209U CN203049449U CN 203049449 U CN203049449 U CN 203049449U CN 201320000209 CN201320000209 CN 201320000209 CN 201320000209 U CN201320000209 U CN 201320000209U CN 203049449 U CN203049449 U CN 203049449U
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Abstract
The utility model discloses a casing-box-type horizontal module-type bridge expansion device. The casing box type horizontal module-type bridge expansion device comprises a first base, a second base, a limiting plate, a cross stitch plate, a sliding block, a water collecting tank, and a bolt installing hole and is characterized in that the limiting plate is arranged on the first base, one end of the cross stitch plate is hinged on the second base, the other end of the cross stitch plate is hinged with the sliding block, the bottom portion of the first base and the bottom portion of the second base are respectively provided with at least one bolt installing hole, the water collecting tank is arranged below a cross stitch between the first base and the second base, and the side face of the cross stitch plate is provided with a cross bolt. The casing-box-type horizontal module-type bridge expansion device overcomes the defects that the cross stitch structure of an existing bridge expansion device is prone to being broken, and due to the fact the bases cannot be attached with a leveling layer fully, anchoring part bolts are prone to being damaged, can enable sewage to be quickly led to a bridge floor drainage device, and avoids water accumulation of a bridge floor.
Description
Technical field
The utility model relates to a kind of cover box transverse module formula bridge extension joint.
Background technology
Bridge extension joint is for making vehicle steadily by bridge floor and satisfy the needs of bridge floor distortion, the various devices that arrange at the deck joint place.The rotation of dilatation and beam-ends will take place in bridge span structure under variations in temperature, load action, basic displacement, concrete shrinkage and influence such as creep, the seam variation that factors such as the amount of deflection of beam cause etc., in order to satisfy bridge rated figure Free Transform according to design under the various factors effect, guarantee that simultaneously vehicle can steadily pass through, will be between adjacent two beam-ends, or between beam-ends and the abutment, or reserve the shrinkage joint on the articulated position of bridge, and at bridge floor stretching device is set.Stretching device should be able to satisfy following requirement: at the both direction of parallel vertical in bridge axes, the beam body all can freely stretch, except enough intensity is arranged itself, should firmly link with the deck paving part, and has a durability, vehicle by the time should be smooth-going, do not have the car of jumping and noise little, make ride comfort; Good dense water and drainage and easy construction are arranged, and keep in repair easy, the inspection of being more convenient for, maintenance and removing groove dirt.At present, the highway in China bridge mainly uses shaped steel modulus formula stretching device and comb plate stretching device.In actual use, more than two kinds of stretching devices all have the certain structure defective, for shaped steel modulus formula stretching device, when the slit, road surface is wideer, add the impact that heavy-duty vehicle is bigger, stride the channel-section steel of seam and connect box and be easy to fracture.For the comb plate stretching device, because basic levelling degree causes the not all face of steel plate all contact with leveling layer inadequately, vehicle drives to that steel plate institute is stressed when top is not all absorbed by the body of a bridge, thereby thereby causes the bolt strained damage easily of anchoring piece during installation.
Summary of the invention
For solving above-mentioned existing shortcoming, main purpose of the present utility model is to provide a kind of cover box transverse module formula bridge extension joint of practicality, solve existing bridge extension joint and striden the easy defective of damaging of anchoring piece bolt that crack structure ruptures easily and base can't be fitted fully with leveling layer and cause, and can satisfy bridge floor and laterally, vertically reach corner displacement, applied widely, be provided with catch basin, sewage can be caused the bridge deck drainage device fast, avoid bridge floor ponding.
For reaching above-described purpose, a kind of cover box transverse module formula bridge extension joint of the present utility model is taked following technical scheme:
A kind of cover box transverse module formula bridge extension joint, comprise first base, second base, limiting plate, transverse joint plate, sliding shoe, catch basin and bolt mounting holes, it is characterized in that, on described first base limiting plate is set, one end of described transverse joint plate is hinged on second base, the other end and sliding shoe are hinged, the bottom of described first base and second base arranges the bolt mounting holes of at least one, the seam below of striding between first base and second base arranges catch basin, and the side of described transverse joint plate arranges horizontal bolt.
Described sliding shoe is nested in the limiting plate, and sliding shoe along continuous straight runs in limiting plate can be done stretching motion.
The perforation of at least one is set on the described limiting plate, and described perforation is corresponding one by one with bolt mounting holes.
Described catch basin is " V " type structure.
Described limiting plate and transverse joint plate are channel-section steel.
Adopt as above the utility model of technical scheme, have following beneficial effect:
Solve existing bridge extension joint and striden the easy defective of damaging of anchoring piece bolt that crack structure ruptures easily and base can't be fitted fully with leveling layer and cause, and can satisfy bridge floor and laterally, vertically reach corner displacement, applied widely, be provided with catch basin, sewage can be caused the bridge deck drainage device fast, avoid bridge floor ponding.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is bottom surface of the present utility model structural representation.
Fig. 3 is catch basin structural representation of the present utility model.
The specific embodiment
In order to further specify the utility model, further describe below in conjunction with accompanying drawing: as Fig. 1, Fig. 2 and shown in Figure 3, a kind of cover box transverse module formula bridge extension joint of the present utility model, comprise first base 1, second base 7, limiting plate 2, transverse joint plate 3, sliding shoe 4, catch basin 5 and bolt mounting holes 6, on first base 1 limiting plate 2 is set, one end of transverse joint plate 3 is hinged on second base 7, the other end and sliding shoe 4 are hinged, the bottom of first base 1 and second base 7 arranges bolt mounting holes 6, the first bases 1 of at least one and the seam below of striding between second base 7 arranges catch basin 5.The side of transverse joint plate 3 arranges horizontal bolt 9, because have only two perpendicular bolts, discontinuity caused damage easily in the past, and maintenance difficult has been added a horizontal bolt 9 now, has strengthened fastness.Sliding shoe 4 is nested in the limiting plate 2, and sliding shoe 4 along continuous straight runs in limiting plate 2 can be done stretching motion, thereby the slit between first base 1 and second base 7 is freely changed in the relative motion of two bridge floors.First base 1 is because lateral depth is darker, spanner is difficult in the narrow space activity, for easy for installation, the perforation 8 of at least one is set at limiting plate 2, perforation 8 is corresponding one by one with bolt mounting holes 6, quick fastening first base, 1, the second base, 7 degree of depth of swivel bolt are more shallow very easily by these holes thereby use box spanner when fixing first base 1, can be directly fastening with spanner from the side.Catch basin 5 is " V " type structure.Limiting plate 2 and transverse joint plate 3 are channel-section steel.Catch basin 5 tops are connected with fixed head, this fixed head is clipped between concrete leveling layer and the rubber tile when installing, each piece catch basin 5 is along the overlapping arrangement of shrinkage joint direction, sewage on the bridge floor can flow in the catch basin 5 by the seam of striding between first base 1 and second base 7, and catch basin 5 causes sewage in the drainage pipe of bridge floor both sides along the shrinkage joint.Catch basin 5 preferably can adopt corrosion resistant plate or color steel when making.Transverse joint plate 3 is a channel-section steel, be positioned at the top at shrinkage joint, the one end is hinged on second base 7, the other end and sliding shoe 4 are hinged, this articulated manner specifically can adopt bolt of long stem to pass transverse joint plate 3 and second base 7, leave certain interval between the top board of transverse joint plate 3 and second base 7 or the sliding shoe 4, the vertical and corner displacement of two sections bridge floors can be satisfied in this gap.Sliding shoe 4 is nested in the middle of the groove of limiting plate 2, this limiting plate 2 can guarantee that the transverse horizontal displacement of sliding shoe 4 carries out in certain space, distance between sliding shoe 4 and first base top boss is slightly larger than the spacing of striding seam between first base 1 and second base 7, and this design can guarantee two sections maximum transversal displacements between the bridge floor.
A kind of cover box transverse module formula bridge extension joint of the present utility model, back claimed apparatus and road surface are installed to maintain an equal level, therefore, dig at the deck expansion joint place fluted, this groove stride the seam two ends be uneven in length the concrete leveling layer, foot bolt regularly wherein, the locating template of putting the employing special use that gives of stone bolt carries out, and determines that the stone bolt of good position is welded on original reinforcing bar of bottom portion of groove, subsequently primary concreting concrete leveling layer.When building,, reduce highly gradually to the shrinkage joint direction from edge, groove two ends, form certain draining gradient, be convenient to rainwater and flow to 5 li of catch basins in the shrinkage joint.Be equipped with the thick rubber tile of 5mm at this concrete leveling layer, during installation, base 1 length portion and weak point portion are fixed on the stone bolt by the bolt mounting holes 6 of its bottom respectively, wherein long portion is fixed on the long concrete leveling layer of length, weak point portion is fixed on the short concrete leveling layer of length, and the rubber tile between base 1 and the concrete leveling layer can play certain cushioning effect.After the utility model put into groove, stretching device two ends and groove edge also left certain interval, and the fixing of base 1 in the installation process is convenient in this gap, builds steel concrete and parallel with stretching device with the road surface after stretching device fixes in the gap.The width of bridge floor is generally tens meters, the utility model is taked the modularization Installation Modes, thereby install side by side along the shrinkage joint of bridge floor and to cover whole shrinkage joint, adopt this mounting means, not only make installation process more flexible, the floor space of single stretching device reduces greatly simultaneously, can be easy to fit fully with the bridge floor leveling layer, the anchoring piece of avoiding the leveling layer out-of-flatness to cause effectively is bolt strained, thus the defective of damaging easily.
Claims (5)
1. one kind is overlapped box transverse module formula bridge extension joint, comprise first base, second base, limiting plate, transverse joint plate, sliding shoe, catch basin and bolt mounting holes, it is characterized in that, on described first base limiting plate is set, one end of described transverse joint plate is hinged on second base, the other end and sliding shoe are hinged, the bottom of described first base and second base arranges the bolt mounting holes of at least one, the seam below of striding between first base and second base arranges catch basin, and the side of described transverse joint plate arranges horizontal bolt.
2. a kind of cover box transverse module formula bridge extension joint according to claim 1 is characterized in that described sliding shoe is nested in the limiting plate, and sliding shoe along continuous straight runs in limiting plate can be done stretching motion.
3. a kind of cover box transverse module formula bridge extension joint according to claim 1 is characterized in that the perforation of at least one is set on the described limiting plate, and described perforation is corresponding one by one with bolt mounting holes.
4. a kind of cover box transverse module formula bridge extension joint according to claim 1 is characterized in that described catch basin is " V " type structure.
5. a kind of cover box transverse module formula bridge extension joint according to claim 1 is characterized in that described limiting plate and transverse joint plate are channel-section steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320000209 CN203049449U (en) | 2013-01-04 | 2013-01-04 | Casing-box-type horizontal module-type bridge expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320000209 CN203049449U (en) | 2013-01-04 | 2013-01-04 | Casing-box-type horizontal module-type bridge expansion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203049449U true CN203049449U (en) | 2013-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320000209 Expired - Fee Related CN203049449U (en) | 2013-01-04 | 2013-01-04 | Casing-box-type horizontal module-type bridge expansion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203049449U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105951590A (en) * | 2016-07-01 | 2016-09-21 | 合肥国本桥梁特种构件有限公司 | Comb type bridge expansion and contraction device |
| CN107675618A (en) * | 2017-10-30 | 2018-02-09 | 安徽省交通控股集团有限公司 | A kind of unit covers tooth retractor device |
| CN108643035A (en) * | 2018-05-03 | 2018-10-12 | 安徽省交通控股集团有限公司 | A kind of vertical spacing telescopic device |
| CN110080101A (en) * | 2019-06-12 | 2019-08-02 | 汪小鹏 | Bridge expanssion joint shock-damping structure |
| CN114263104A (en) * | 2022-01-18 | 2022-04-01 | 西安茜草工程技术有限公司 | Bridge expansion joint device |
-
2013
- 2013-01-04 CN CN 201320000209 patent/CN203049449U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105951590A (en) * | 2016-07-01 | 2016-09-21 | 合肥国本桥梁特种构件有限公司 | Comb type bridge expansion and contraction device |
| CN107675618A (en) * | 2017-10-30 | 2018-02-09 | 安徽省交通控股集团有限公司 | A kind of unit covers tooth retractor device |
| CN108643035A (en) * | 2018-05-03 | 2018-10-12 | 安徽省交通控股集团有限公司 | A kind of vertical spacing telescopic device |
| CN110080101A (en) * | 2019-06-12 | 2019-08-02 | 汪小鹏 | Bridge expanssion joint shock-damping structure |
| CN110080101B (en) * | 2019-06-12 | 2024-05-03 | 汪小鹏 | Bridge expansion joint shock-absorbing structure |
| CN114263104A (en) * | 2022-01-18 | 2022-04-01 | 西安茜草工程技术有限公司 | Bridge expansion joint device |
| CN114263104B (en) * | 2022-01-18 | 2024-06-14 | 西安茜草工程技术有限公司 | Bridge expansion joint device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20160104 |