CN219886557U - Full-life maintenance-free bridge expansion joint without water stop - Google Patents
Full-life maintenance-free bridge expansion joint without water stop Download PDFInfo
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- CN219886557U CN219886557U CN202321267374.0U CN202321267374U CN219886557U CN 219886557 U CN219886557 U CN 219886557U CN 202321267374 U CN202321267374 U CN 202321267374U CN 219886557 U CN219886557 U CN 219886557U
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- bearing plate
- wear
- expansion joint
- sides
- bridge expansion
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 27
- 239000004567 concrete Substances 0.000 claims abstract description 25
- 230000007797 corrosion Effects 0.000 claims abstract description 10
- 238000005260 corrosion Methods 0.000 claims abstract description 10
- 238000012423 maintenance Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 abstract description 17
- 239000013049 sediment Substances 0.000 abstract description 10
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000009975 flexible effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a full-life maintenance-free bridge expansion joint without a water stop, which comprises a bearing plate and reinforcing rib plates, wherein cover plates are arranged on the left side and the right side of the top of the bearing plate, first drainage grooves are formed in the left side and the right side of the top of the bearing plate, dirt blocking strips are fixedly connected to the adjacent sides of the bottoms of the two cover plates, vertical fixing plates are arranged on the left side and the right side of the bottom of the bearing plate, main body fixing frames are fixedly connected to the opposite sides of the two vertical fixing plates, and notch concrete is arranged on the opposite sides of the two main body fixing frames. According to the utility model, the first water drainage groove is arranged on the bearing plate, and the water blocking belts are arranged on the two sides of the bearing plate, so that a large amount of sediment and rainwater can be drained along the first water drainage groove, when a small amount of water and sediment exist and cross the water blocking belt and fall onto the second water drainage groove, then overflowed water and sediment can be drained along the corrosion-resistant layer on the second water drainage groove, and the whole service life is realized.
Description
Technical Field
The utility model relates to the technical field of bridge expansion joints, in particular to a full-life maintenance-free bridge expansion joint without a water stop belt.
Background
The bridge expansion joint is designed to meet the requirement of bridge deck deformation, and is usually arranged between two beam ends, between the beam ends and a bridge abutment or at the hinge position of a bridge, and the expansion joint is required to be freely telescopic in the direction parallel to the axis of the bridge, so that the bridge expansion joint can adapt to the vertical corner displacement of the beam ends, is firm and reliable, and has smooth running, no jump and low noise when a vehicle runs; the rainwater and garbage soil can be prevented from penetrating into the blocking support along the end part of the beam to move; the installation, inspection, maintenance and dirt elimination are all simple and convenient, and the railing and bridge deck pavement are all disconnected at the expansion joint.
However, the existing bridge expansion joint needs to be provided with the water stop, and the water stop is generally made of rubber materials, so that the service life of the water stop is short, the water stop needs to be replaced and maintained regularly, time and labor are wasted, and meanwhile, the cost is increased, and therefore the full-service maintenance-free bridge expansion joint without the water stop is introduced, and the technical problems are solved.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a full-service maintenance-free bridge expansion joint without a water stop.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a no waterstop bridge expansion joint of life-span maintenance-free, includes bearing plate and deep floor, bearing plate top left and right sides all is provided with the apron, the bearing plate top left and right sides portion all is provided with first water drainage tank, two the equal fixedly connected with of adjacent one side of apron bottom keeps off dirty strip, bearing plate bottom left and right sides portion all is provided with vertical fixed plate, two the equal fixedly connected with main part mount of vertical fixed plate opposite sides, two main part mount all is provided with notch concrete on one side opposite sides, the bearing plate left and right sides all is provided with the waterstop, bearing plate top middle part runs through and is provided with evenly distributed's first fixing bolt, first fixing bolt lower extreme all runs through and threaded connection has the pull rod, the upper and lower both sides at both ends all are provided with wear-resisting backing ring, the lower part the backing ring bottom all is provided with connecting seat and vertical fixed plate fixed connection, equal fixedly connected with the water drainage tank in the middle part of bearing plate top, two adjacent one side is provided with the corrosion-resisting layer on two side of the side, the equal fixedly connected with water drainage tank on two sides of the side.
For further description of the above technical solution:
and one side of the top of the cover plate, which is opposite to the top of the cover plate, is penetrated and provided with a second fixing bolt, and the second fixing bolt penetrates and is welded with the main body fixing frame together or in threaded connection.
For further description of the above technical solution:
and the two opposite sides of the main body fixing frames are fixedly connected with reinforcing rib plates which are uniformly distributed, and the reinforcing rib plates penetrate through and are fixedly connected with notch concrete.
For further description of the above technical solution:
and the opposite sides of the reinforcing rib plates are fixedly connected with reinforcing steel bars which penetrate through and are fixedly connected with the notch concrete.
For further description of the above technical solution:
and bridge concrete is fixedly connected to one side of the two opposite sides of the notch concrete.
For further description of the above technical solution:
and reinforcing ribs which are uniformly distributed penetrate through and are arranged between the front sides of the reinforcing rib plates on the adjacent sides, and penetrate through notch concrete.
For further description of the above technical solution:
the middle parts of the front sides of the reinforcing rib plates are penetrated and provided with reserved holes which are uniformly distributed and correspond to the reinforcing ribs.
For further description of the above technical solution:
the bottom of the wear-resistant backing ring at the lower part is provided with a second wear-resistant sleeve which penetrates through the connecting seat.
For further description of the above technical solution:
the middle part of the bottom of the second wear-resistant sleeve penetrates through and is rotationally connected with a pin shaft which penetrates through the first wear-resistant sleeve and the wear-resistant backing ring.
For further description of the above technical solution:
the upper side of the wear-resistant backing ring at the upper part is provided with a clamp spring, and the pin shaft penetrates through and is matched with the clamp spring.
The utility model has the following beneficial effects:
according to the utility model, the first drainage groove is arranged on the bearing plate, and the water blocking strips are arranged on the two sides of the bearing plate, so that a large amount of sediment and rainwater can be drained along the first drainage groove, when a small amount of water and sediment cross the water blocking strips and fall onto the second drainage groove, the overflowed water and sediment can be drained along the corrosion-resistant layer on the second drainage groove, thereby realizing the functions of draining water and sediment and sand, realizing the whole service life, avoiding the need of periodically replacing and maintaining the water blocking strips, and reducing the cost.
Drawings
FIG. 1 is a schematic diagram of a full life maintenance-free bridge expansion joint without a water stop;
FIG. 2 is a bottom view of a full life maintenance-free bridge expansion joint without water stop;
FIG. 3 is a schematic view of a vertical fixing plate of a full-life maintenance-free bridge expansion joint without a water stop;
FIG. 4 is an exploded view of a full life maintenance-free bridge expansion joint without water stop;
FIG. 5 is a schematic view of a bearing plate of a full life maintenance-free bridge expansion joint without a water stop;
FIG. 6 is a schematic diagram of a cover plate of a full life maintenance-free bridge expansion joint without a water stop;
fig. 7 is a cross-sectional view of a connection seat of a full-life maintenance-free bridge expansion joint without a water stop.
Legend description:
1. notch concrete; 2. bridge concrete; 3. a cover plate; 4. a first drain tank; 5. a first fixing bolt; 6. a second fixing bolt; 7. reinforcing bars; 8. a main body fixing frame; 9. a vertical fixing plate; 10. a bearing plate; 11. a second drain tank; 12. a pull rod; 13. a connecting seat; 14. a pin shaft; 15. a reinforcing steel bar frame; 16. reinforcing rib plates; 17. a corrosion resistant layer; 18. a preformed hole; 19. a dirt blocking strip; 20. a side plate; 21. clamping springs; 22. a first wear sleeve; 23. a second wear sleeve; 24. a wear-resistant backing ring; 25. and a water blocking belt.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-7, one embodiment provided by the present utility model is: the utility model provides a no waterstop bridge expansion joint of maintenance-free of life, including bearing plate 10 and deep floor 16, bearing plate 10 top left and right sides all is provided with apron 3, bearing plate 10 top left and right sides portion all is provided with first water drainage tank 4, at first through set up first water drainage tank 4 on bearing plate 10, and set up water blocking strip 25 in bearing plate 10's both sides, make a large amount of silt and rainwater can follow first water drainage tank 4 and drain away, the adjacent one side of two apron 3 bottoms all fixedly connected with dirt blocking strip 19, bearing plate 10 bottom left and right sides portion all is provided with vertical fixed plate 9, two vertical fixed plate 9 all fixedly connected with main part mount 8 in opposite directions, two main part mount 8 all are provided with notch concrete 1 in opposite directions, bearing plate 10 left and right sides all is provided with water blocking strip 25, when the rainfall is too big, a small amount of water and sediment (the size is smaller than 0.2 mm) can cross the water blocking belt 25 and fall onto the second water draining groove 11, the middle part of the top of the bearing plate 10 is penetrated and provided with uniformly distributed first fixing bolts 5, the lower ends of the first fixing bolts 5 are penetrated and connected with pull rods 12 in a threaded manner, the left and right ends of the top of the pull rods 12 are penetrated and provided with first wear-resistant sleeves 22, then overflowed water and sediment can drain along the corrosion-resistant layers 17 on the second water draining groove 11, thereby realizing the functions of draining water and sediment and sand draining, without resorting to water blocking belts, the upper and lower sides of the left and right ends of the pull rods 12 are respectively provided with wear-resistant backing rings 24, the bottoms of the lower wear-resistant backing rings 24 are respectively provided with a connecting seat 13 fixedly connected with the vertical fixing plates 9, the middle parts of the bottoms of the cover plates 3 are respectively fixedly connected with side plates 20, adjacent sides of the two side plates 20 are respectively provided with a corrosion-resistant layer 17, the corrosion-resistant layer 17 is fixedly connected with the main body fixing frame 8, the corrosion-resistant layer 17 is provided with a second drain groove 11 on the upper side.
The opposite sides of the top of the cover plate 3 are penetrated and provided with second fixing bolts 6, the second fixing bolts 6 penetrate and are welded together or in threaded connection with the main body fixing frames 8, the opposite sides of the two main body fixing frames 8 are fixedly connected with reinforcing ribs 16 which are uniformly distributed, the reinforcing ribs 16 penetrate and are fixedly connected with notch concrete 1, when the telescopic action is required between two bridge concretes 2, the pull rod 12 rotates, the opposite sides of the reinforcing ribs 16 are fixedly connected with reinforcing steel bar frames 15, the reinforcing steel bar frames 15 penetrate and are fixedly connected with the notch concrete 1, the opposite sides of the two notch concrete 1 are fixedly connected with bridge concretes 2, the front sides of the reinforcing ribs 7 on the adjacent sides penetrate and are provided with reinforcing steel bars 7 which are uniformly distributed and penetrate through the notch concrete 1, pin shafts 14 at two ends of the pull rod 12 move along strip-shaped sliding grooves on the connecting seats 13, thereby providing conditions for approaching or keeping away of the two bridge concretes 2, the middle parts of the front sides of the reinforcing rib plates 16 are penetrated and provided with uniformly distributed preformed holes 18, the preformed holes 18 correspond to the reinforcing ribs 7, the bottoms of the lower wear-resistant backing rings 24 are provided with second wear-resistant sleeves 23, the bottoms of the second wear-resistant sleeves 23 penetrate through the connecting seats 13, the middle parts of the bottoms of the second wear-resistant sleeves 23 are penetrated and rotationally connected with pin shafts 14, the pin shafts 14 penetrate through the first wear-resistant sleeves 22 and the wear-resistant backing rings 24, the upper sides of the upper wear-resistant backing rings 24 are provided with jump rings 21, the pin shafts 14 penetrate through and are matched with the jump rings 21, the gap between the lower sides of the dirt blocking strips 19 and the bearing plates 10 is controlled to be between 0.1 and 0.2 millimeter, no impact is formed in the driving process, the thickness of the bearing plates 10 and the cover plates 3 is enough, the automobile load of 101.5KN is under the maximum deflection of 0.1 millimeter and the stress of 158 megapascals during driving, in a never tired state, the tops of the connecting seats 13 are all penetrated and provided with strip-shaped sliding grooves, and the distribution state of the pull rods 12 is zigzag.
Working principle: firstly, through setting up first water drainage tank 4 on bearing plate 10 to set up the water blocking strip 25 in the both sides of bearing plate 10, make a large amount of silt and rainwater can be followed first water drainage tank 4 and drain, when the rainfall is too big, can exist a small amount of water and silt (the size is less than 0.2 millimeter) and stride water blocking strip 25 and fall on second water drainage tank 11, then the water and the silt that spill over can be followed corrosion-resistant layer 17 on the second water drainage tank 11 and drain, thereby realize drainage and the function of silt discharging, and need not to be with the help of the waterstop, when need carry out the flexible action between two bridge concretes 2, pull rod 12 can take place to rotate, simultaneously, the round pin axle 14 at pull rod 12 both ends can be along the rectangular shape spout on connecting seat 13 removal, thereby provide the condition for being close to or keeping away from of two bridge concretes 2.
Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (10)
1. The utility model provides a no waterstop bridge expansion joint of life-span maintenance-free, includes bearing plate (10) and deep floor (16), its characterized in that: the utility model discloses a wear-resisting seat structure, including bearing plate (10) and bearing plate (12), bearing plate (10) top left and right sides all is provided with apron (3), the portion all is provided with first water drainage tank (4) about bearing plate (10) top, two adjacent one side of apron (3) bottom all fixedly connected with keeps off dirty strip (19), the portion all is provided with vertical fixed plate (9) about bearing plate (10) bottom, two vertical fixed plate (9) all fixedly connected with main part mount (8) in opposite directions on one side, two main part mount (8) all are provided with notch concrete (1) on opposite directions, bearing plate (10) left and right sides all is provided with waterstop (25), bearing plate (10) top middle part runs through and is provided with evenly distributed's first fixing bolt (5), first fixing bolt (5) lower extreme all runs through and threaded connection has pull rod (12), the both ends all run through and are provided with first wear-resisting sleeve (22) about pull rod (12) top, both sides all are provided with wear-resisting cushion ring (24) about pull rod (12) both sides all are provided with wear-resisting seat structure (13), wear-resisting seat structure (13) bottom (24) all is connected with fixed seat structure (20), two adjacent one sides of curb plate (20) all are provided with corrosion-resistant layer (17) and main part mount (8) fixed connection, corrosion-resistant layer (17) upside is provided with second water drainage tank (11).
2. The full life maintenance-free non-stop bridge expansion joint according to claim 1, wherein: the side of apron (3) top opposite to each other all runs through and is provided with second fixing bolt (6) and second fixing bolt (6) run through and with main part mount (8) welding together or threaded connection.
3. The full life maintenance-free non-stop bridge expansion joint according to claim 1, wherein: two main body fixing frames (8) are fixedly connected with reinforcing rib plates (16) which are uniformly distributed on one sides opposite to each other, and the reinforcing rib plates (16) penetrate through and are fixedly connected with notch concrete (1).
4. A full life maintenance free non-stop bridge expansion joint according to claim 3, wherein: the reinforcing rib plates (16) are oppositely arranged, and the reinforcing rib plates (15) are fixedly connected to one sides of the reinforcing rib plates, which are opposite to each other, and the reinforcing rib plates (15) penetrate through and are fixedly connected with the notch concrete (1).
5. The full life maintenance-free non-stop bridge expansion joint according to claim 1, wherein: and bridge concrete (2) is fixedly connected to one side of the two notch concrete (1) opposite to each other.
6. The full life maintenance-free non-stop bridge expansion joint according to claim 1, wherein: reinforcing ribs (7) which are uniformly distributed are penetrated and arranged between the front sides of the reinforcing rib plates (16) on the adjacent sides, and the reinforcing ribs (7) penetrate through the notch concrete (1).
7. The full life maintenance-free non-stop bridge expansion joint according to claim 1, wherein: the middle parts of the front sides of the reinforcing rib plates (16) are respectively penetrated and provided with reserved holes (18) which are uniformly distributed, and the reserved holes (18) correspond to the reinforcing ribs (7).
8. The full life maintenance-free non-stop bridge expansion joint according to claim 1, wherein: the bottom of the lower part of the wear-resistant backing ring (24) is provided with a second wear-resistant sleeve (23) and the second wear-resistant sleeve (23) penetrates through the connecting seat (13).
9. The full life maintenance-free non-stop bridge expansion joint of claim 8, wherein: the middle parts of the bottoms of the second wear-resistant sleeves (23) are respectively penetrated through and rotatably connected with a pin shaft (14), and the pin shaft (14) penetrates through the first wear-resistant sleeves (22) and the wear-resistant backing rings (24).
10. The full life maintenance-free non-stop bridge expansion joint of claim 8, wherein: the upper sides of the wear-resistant backing rings (24) at the upper part are respectively provided with a clamp spring (21), and the pin shafts (14) penetrate through and are matched with the clamp springs (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321267374.0U CN219886557U (en) | 2023-05-24 | 2023-05-24 | Full-life maintenance-free bridge expansion joint without water stop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321267374.0U CN219886557U (en) | 2023-05-24 | 2023-05-24 | Full-life maintenance-free bridge expansion joint without water stop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219886557U true CN219886557U (en) | 2023-10-24 |
Family
ID=88406553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321267374.0U Active CN219886557U (en) | 2023-05-24 | 2023-05-24 | Full-life maintenance-free bridge expansion joint without water stop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219886557U (en) |
-
2023
- 2023-05-24 CN CN202321267374.0U patent/CN219886557U/en active Active
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