CN217536651U - Sliding bearing device and bridge expansion joint structure - Google Patents
Sliding bearing device and bridge expansion joint structure Download PDFInfo
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- CN217536651U CN217536651U CN202220767804.4U CN202220767804U CN217536651U CN 217536651 U CN217536651 U CN 217536651U CN 202220767804 U CN202220767804 U CN 202220767804U CN 217536651 U CN217536651 U CN 217536651U
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Abstract
The utility model belongs to the technical field of the bridge construction, particularly, the utility model relates to a slide and bear device and bridge expansion joint structure. The sliding bearing device is used for being installed at a beam body interval of a bridge and comprises a supporting member and a sliding member; the supporting members are arranged in pairs and are symmetrically arranged on two sides of the beam body at intervals; the supporting member is Contraband and can be detached per se; the sliding member is in the shape of an I, and is lapped between the two supporting members. The bridge expansion joint structure comprises two beam bodies arranged at intervals and the sliding bearing device; and a mounting groove is arranged between the two beam bodies, and the sliding bearing device is mounted in the mounting groove. The utility model discloses a slide and bear device is the assembled installation when installing with the roof beam body, convenient dismantlement, and the bridge expansion joint structure construction degree of difficulty is little, the cycle is short, convenient implementation.
Description
Technical Field
The utility model belongs to the technical field of the bridge construction, particularly, the utility model relates to a slide and bear device and bridge expansion joint structure.
Background
With the development of the building industry, the bridge construction technology is developed more and more, and particularly, the construction of shallow bridge expansion joints is advanced more and more. The expansion joint device is arranged at an expansion joint between two bridges, and not only needs to adapt to horizontal deformation and torsional deformation of the bridges, but also needs to bear loads passed by vehicles.
In the conventional telescopic joint device for the highway bridge, a large gap exists between moving parts, and the gap is easily blocked, so that frequent maintenance and replacement are required. Because traditional expansion joint device and roof beam body cement are pour and are connected, not only need demolish the expansion joint device during the change, still need demolish roof beam body concrete, construction cycle is long, the degree of difficulty is big. During construction, the bridge is usually disconnected for several days, so that the bridge is difficult to effectively implement and the safety of the bridge is influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve some above-mentioned problems at least, the utility model provides a slide and bear device and bridge expansion joint structure, its technical scheme as follows:
a sliding bearing device is used for being installed at a beam body interval of a bridge and comprises a supporting member and a sliding member; the supporting members are arranged in pairs and are symmetrically arranged on two sides of the beam body at intervals; the support member is Contraband and comprises a first support part and a second support part, the second support part is L-shaped, and the lower part of the first support part is detachably connected with the first support part; the sliding component is in an I shape and comprises a first sliding component and a second sliding component, the first sliding component is lapped above the two first supporting components, the second sliding component is positioned in the Contraband type opening of the two supporting components, the bottom of the first sliding component is provided with a connecting rod, and the connecting rod is movably connected with the second sliding component and can slide relative to the second sliding component along the axial direction.
The above-described slide bearing device is more preferably: the top of the first supporting piece is provided with a first inclined plane, the bottom of the first sliding piece is provided with a second inclined plane, and the second inclined plane is attached to the first inclined plane.
The above-described slide bearing device is more preferably: the second sliding piece is in clearance fit with a Contraband type opening of the supporting member; a limiting hole is formed in the second sliding piece, and the connecting rod is inserted into the limiting hole; the limiting hole is an oblong hole, and the length direction of the limiting hole is perpendicular to the symmetrical surfaces of the two supporting members.
The above-described slide bearing device is more preferably: the limiting holes and the connecting rods are multiple and correspond to one another; the plurality of limiting holes are distributed in an array along the width direction of the limiting holes.
The above-described slide bearing device is more preferably: the bottom end of the connecting rod is provided with a limiting block; a gap is arranged between the bottom surface of the first sliding piece and the top surface of the second sliding piece, and a gap is arranged between the top surface of the limiting block and the bottom surface of the second sliding piece.
The above-described slide bearing device is more preferably: in the Contraband-shaped opening of the supporting member, an upper supporting column is arranged on the first supporting piece, a lower supporting column is arranged on the second supporting piece, and the upper supporting column corresponds to the lower supporting column one by one; the second sliding part is provided with a sliding groove, and the sliding groove comprises an upper sliding groove positioned at the top of the second sliding part and a lower sliding groove positioned at the bottom of the second sliding part; the upper support column is positioned in the upper sliding groove and is in sliding fit with the upper sliding groove; the lower supporting column is located in the lower sliding groove and is in sliding fit with the lower sliding groove.
The above-described slide bearing device is more preferably: the upper sliding groove and the lower sliding groove are both oblong grooves, and the length direction of the upper sliding groove and the lower sliding groove is vertical to the symmetrical surfaces of the two supporting members; the bottom surface of going up the support column with the bottom surface laminating in groove of sliding on, the top surface of lower support column with the top surface laminating in groove of sliding down.
The above-described slide bearing device is more preferably: the bottom surface periphery of the upper supporting column and the top surface periphery of the lower supporting column are smoothly arranged.
The above-described slide bearing device is more preferably: the first sliding piece is arranged at the end part of the second inclined plane in a smooth mode.
A bridge expansion joint structure comprises two beam bodies arranged at intervals and a sliding bearing device; an installation groove is formed between the two beam bodies, and the sliding bearing device is installed in the installation groove; the sliding bearing devices are arranged in parallel along the width direction of the beam body.
The bridge expansion joint structure as described above is more preferably: the bottom surface of mounting groove is equipped with the elasticity and pours the layer, the bearing device that slides is installed on the elasticity is poured the layer.
The bridge expansion joint structure as described above is more preferably: the elastic pouring layer is any one or combination of an epoxy resin composite material layer and an ultrahigh-performance concrete layer and is used for bearing, absorbing shock and eliminating torsional deformation of the beam body.
The bridge expansion joint structure as described above is more preferably: the side wall of the mounting groove is provided with a first mounting plate, and the side walls of the two beam bodies forming the interval are provided with second mounting plates; the first mounting plate is abutted against one side of the supporting member and is used for limiting the displacement of the sliding bearing device during contraction; the second mounting plate is positioned below the supporting member, a limiting plate is mounted on the second mounting plate, and the limiting plate abuts against the other side of the supporting member and is used for limiting displacement of the sliding bearing device when the sliding bearing device stretches; the end part of a water stop belt is clamped between the second mounting plate and the limiting plate, the water stop belt is arranged between the beam bodies in a U shape, and the length of the water stop belt is not less than the width of the beam bodies.
The analysis can know, compare with prior art, the utility model discloses an advantage and beneficial effect lie in:
the utility model discloses an among the bearing device slides, first sliding part takes between two first support pieces, can cover the clearance between two supporting members, makes things convenient for the vehicle to steadily pass through. The second sliding part can play limiting displacement to the transverse sliding of the first sliding part, and can play limiting displacement to the longitudinal sliding of the first sliding part, so that the first sliding part is prevented from being separated due to overturning, the sliding bearing device is guaranteed to run stably, and failure is avoided. The first supporting piece, the first sliding piece and the second sliding piece are not contacted with the beam body, when the device is maintained or replaced, the construction difficulty is small, the period is short, and the implementation is convenient.
The utility model discloses an among the bridge expansion joint structure, it bears the device and installs in the mounting groove that sets up between the roof beam body to slide, for the prefabricated installation, rather than pour as an organic wholely with the roof beam body, conveniently dismantles when maintaining, need not demolish the concrete structure on the roof beam body. In the mounting groove, the sliding bearing devices are multiple, the single sliding bearing device is small in size, labor is saved during disassembly, assembly and replacement, and the maintenance cost is low.
Drawings
Fig. 1 is a schematic view of the sliding bearing device of the present invention;
fig. 2 is an exploded view of the sliding bearing device of the present invention;
fig. 3 is an exploded view of the sliding bearing device of the present invention;
FIG. 4 is a schematic view of the structure of the bridge expansion joint of the present invention;
FIG. 5 is a cross-sectional view of FIG. 4 at B-B;
fig. 6 isbase:Sub>A cross-sectional view atbase:Sub>A-base:Sub>A of fig. 4.
In the figure: 1-a second support; 2-a first support; 3-a second glide; 4-a first glide; 5-lower support columns; 6-upper sliding grooves; 7-a limiting hole; 8-a first bevel; 9-hoisting holes; 10-a limiting block; 11-lower glide slot; 12-an upper support column; 13-a connecting rod; 14-a second bevel; 15-a beam body; 16-a first mounting plate; 17-an elastic pouring layer; 18-a second mounting plate; 19-water stop belt; 20-limiting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In the description of the present invention, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. The terms "connected" and "connected" used in the present invention should be understood in a broad sense, and may be, for example, either fixed or detachable; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
Referring to fig. 1 to 6, fig. 1 is a schematic view of a sliding bearing device of the present invention; fig. 2 is an exploded view of the sliding bearing device of the present invention; fig. 3 is an exploded view of the sliding bearing device of the present invention; FIG. 4 is a schematic view of the structure of the bridge expansion joint of the present invention; FIG. 5 is a cross-sectional view of FIG. 4 at B-B; fig. 6 isbase:Sub>A cross-sectional view atbase:Sub>A-base:Sub>A of fig. 4. Wherein, the utility model discloses in, transversely be the bridge floor and cross the current direction of vehicle, vertically be the direction of perpendicular to bridge floor.
As shown in fig. 1, in an embodiment of the present invention, a sliding bearing device is provided for being installed at an interval between beams of a bridge to form an expansion joint of the bridge. Specifically, the sliding bearing device comprises a supporting component and a sliding component. The support members are arranged in pairs for symmetrical mounting on spaced sides of the beam body. The supporting member is of a type Contraband, and comprises a first supporting member 2 and a second supporting member 1, wherein the second supporting member 1 is of an L-shaped and is detachably connected with the first supporting member 2 below the first supporting member 2 (for example, connected through a bolt). The sliding component is in an I shape and comprises a first sliding component 4 and a second sliding component 3, the first sliding component 4 is lapped above the two first supporting components 2, the second sliding component 3 is positioned in Contraband type openings of the two supporting components, a connecting rod 13 is arranged at the bottom of the first sliding component 4, and the connecting rod 13 is movably connected with the second sliding component 3 and can slide relative to the second sliding component 3 along the axial direction.
During the use, first glide 4 is taken between two first support pieces 2, is located first support piece 2's top, can cover the clearance between two supporting members, makes things convenient for the vehicle to steadily pass through. The second sliding member 3 is positioned in the Contraband type opening of the two supporting members, and can not be separated from the supporting members in the longitudinal direction. First sliding member 4 passes through connecting rod 13 and 3 swing joint of second sliding member, and self axial and 3 relative sliding of second sliding member can be followed to connecting rod 13 to second sliding member 3 can play limiting displacement to the lateral sliding of first sliding member 4, and can play limiting displacement to the longitudinal movement of first sliding member 4, prevent that first sliding member 4 from deviating from because of the upset, guarantee to slide the load bearing device and operate steadily, can not become invalid. First support piece 2 links to each other with 1 detachable of second support piece, and then first support piece 2, first sliding 4, second sliding 3 all do not all with roof beam body 15 contact, when maintaining or when changing, first support piece 2, first sliding 4, second sliding 3 all can easily be demolishd, and the construction degree of difficulty is little, the cycle is short, convenient implementation.
As shown in fig. 1, in another embodiment of the present invention, a first inclined plane 8 is disposed at the top of the first supporting member 2, a second inclined plane 14 is disposed at the bottom of the first sliding member 4, and the second inclined plane 14 is attached to the first inclined plane 8. On the supporting members arranged symmetrically in pairs, the two first inclined surfaces 8 are arranged opposite to each other and gradually incline downwards towards the gap. The two second inclined surfaces 14 on the first sliding component 4 are respectively attached to the two first inclined surfaces 8, and correspond to each other one by one. When 15 expend with heat and contract with cold of roof beam body cause two supporting member's distance to change, first sliding 4 displacement no matter how, first inclined plane 8 laminates with second inclined plane 14 all the time to there is not the gap in the use, can prevent that debris and large granule from getting into, difficult emergence is blockked up long service life.
As shown in fig. 1, in another embodiment of the present invention, the second sliding member 3 is clearance fitted with the Contraband type opening of the supporting member, which can prevent the clamping caused by the deformation, and can be slidably connected with the two supporting members in the transverse direction because of the clearance fit. The second sliding member 3 is provided with a limiting hole 7, and the connecting rod 13 is inserted in the limiting hole 7, so that the moving range is limited. Preferably, the limiting hole 7 is an oblong hole, the length direction of which is perpendicular to the symmetry plane of the two supporting members, and the limiting hole does not obstruct the sliding of the first sliding piece 4 in the transverse normal use range.
Further, spacing hole 7, connecting rod 13 are a plurality ofly, and the one-to-one, and a plurality of spacing holes 7 are array distribution along the width direction of spacing hole 7, can ensure spacing reliability, guarantee that first sliding member 4 does not become invalid.
As shown in fig. 3, in another embodiment of the present invention, the top end of the connecting rod 13 is connected to the first sliding member 4, and the bottom end of the connecting rod 13 is provided with a limiting block 10. Be equipped with the clearance between the bottom surface of first sliding 4 and the top surface of second sliding 3, be equipped with the clearance between the top surface of stopper 10 and the bottom surface of second sliding 3 to can guarantee that first sliding 4 can be at the allowed band displacement in the use, can not become invalid.
As shown in fig. 2 and 3, in another embodiment of the present invention, in the Contraband opening of the supporting member, the first supporting member 2 is provided with the upper supporting column 12, the second supporting member 1 is provided with the lower supporting column 5, and the upper supporting column 12 corresponds to the lower supporting column 5. The second sliding part 3 is provided with a sliding groove, and the sliding groove comprises an upper sliding groove 6 positioned at the top of the second sliding part 3 and a lower sliding groove 11 positioned at the bottom of the second sliding part 3. Go up support column 12 and be located last sliding tray 6, with last sliding tray 6 sliding fit, lower support column 5 is located lower sliding tray 11 in, with lower sliding tray 11 sliding fit to can restrict the sliding range of second sliding member 3, ensure the stability in the use. Preferably, the upper support column 12 and the lower support column 5 are both cylinders, and the upper sliding groove 6 and the lower sliding groove 11 are both oblong grooves, the length direction of which is perpendicular to the symmetry plane of the two support members, so that the second sliding member 3 can be ensured to have a suitable sliding range.
Furthermore, the bottom surface of the upper support column 12 is attached to the bottom surface of the upper sliding groove 6, the top surface of the lower support column 5 is attached to the top surface of the lower sliding groove 11, so that the second sliding piece 3 can slide and bear the pressure from the first support piece 2, the second sliding piece 3 and the two support members form an integral bearing type structure, the stress is uniform, the damage is not easy, and the reliability is high.
Furthermore, the bottom surface periphery of the upper support column 12 and the top surface periphery of the lower support column 5 are smoothly arranged, so that the upper support column 12 and the lower support column 5 can conveniently slide when the beam body 15 expands with heat and contracts with cold. The end of the first sliding component 4 on the second inclined plane 14 is smoothly arranged, so that the first sliding component 4 can slide on the first inclined plane 8 conveniently.
As shown in fig. 4 to fig. 6, based on the above-mentioned bearing device that slides, the utility model also provides a bridge expansion joint structure.
As shown in fig. 4, in an embodiment of the present invention, the bridge expansion joint structure includes two beams 15 arranged at intervals and a sliding bearing device. Specifically, be equipped with the mounting groove between two roof beam bodies 15, the bearing device that slides is installed in the mounting groove. The sliding bearing devices are arranged in parallel along the width direction of the beam body 15. The sliding bearing device is arranged in a mounting groove formed between the beam bodies 15 and is assembled instead of being poured with the beam bodies 15 into a whole, and is convenient to disassemble during maintenance without dismantling a concrete structure on the beam bodies 15. In the mounting groove, the sliding bearing devices are multiple, the single sliding bearing device is small in size, labor is saved during disassembly, assembly and replacement, and the maintenance cost is low.
As shown in fig. 5, in an embodiment of the present invention, the bottom surface of the installation groove is provided with an elastic casting layer 17, the secondary casting in situ is integrated with the beam body 15, and the sliding bearing device is installed on the elastic casting layer 17. The upper surface of the elastic pouring layer 17 is smooth and flat, and the sliding bearing device is convenient to mount and level. And, elasticity is pour layer 17 and is had elasticity, can bearing and shock attenuation, can also eliminate the trace torsional deformation of roof beam body 15 through elastic deformation for bridge expansion joint structure more operates steadily, safe and reliable. As an alternative, the elastic casting layer 17 may be an epoxy resin composite material layer, or may also be an Ultra-High Performance concrete layer (the Ultra-High Performance concrete is chinese, abbreviated as UHPC). The concrete can be a single one of the two or a combination of the two, for example, the bottom layer is an ultra-high performance concrete layer, and the upper layer is an epoxy resin composite material layer; the bottom layer is an epoxy resin composite material layer, and the upper layer is an ultrahigh-performance concrete layer.
As shown in fig. 6, in another embodiment of the utility model, the lateral wall of mounting groove is equipped with first mounting panel 16, and the lateral wall that forms two spaced roof beam bodies 15 is equipped with second mounting panel 18, installs limiting plate 20 on the second mounting panel 18, and first mounting panel 16, second mounting panel 18, limiting plate 20 are the steel sheet, can provide the assembly position for the fixed of the bearing device that slides, and the bearing device that slides need not welding or pre-buried fixed when the installation, need not to change the civil engineering structure when changing, has good maintainability. The first mounting plate 16 abuts against one side of the support member, so that displacement of the sliding bearing device during contraction can be limited, and the sliding bearing device is prevented from directly contacting with concrete of the beam body 15. The second mounting plate 18 is located below the support members to avoid exposing the beam body 15 to concrete at the space. The limiting plate 20 abuts against the other side of the supporting member, so that the displacement of the sliding bearing device during stretching can be limited, and the supporting member is ensured to move synchronously along with the corresponding beam body 15.
Furthermore, the end part of the water stop belt 19 is clamped between the second mounting plate 18 and the limiting plate 20, two ends of the water stop belt 19 are clamped, the water stop belt 19 is arranged between the two beam bodies 15 in a U shape, the length of the water stop belt is not smaller than the width of the beam bodies 15, and water seeping downwards from the sliding bearing device can be discharged by the water stop belt 19, so that the beam bodies 15 can be protected.
As shown in fig. 1 to 6, the construction and working process of the present invention are explained in detail as follows:
during construction, a first mounting plate 16 and a second mounting plate 18 are firstly mounted on the beam body 15, and mounting grooves are reserved for mounting the sliding bearing device. And then, pouring an elastic pouring layer 17 in the mounting groove, and mounting a water stop belt 19 after pouring is finished, wherein the water stop belt 19 is clamped by a limiting plate 20 and a second mounting plate 18. And finally, installing the sliding bearing device in the installation groove. When the sliding bearing device is installed, the second support piece 1, the second sliding piece 3, the first sliding piece 4 and the first support piece 2 are installed in sequence.
When in use, the utility model is used for cleaning the inner wall of the tank, the skid-carrying device acts when the beam 15 is deformed. Specifically, when two beam bodies 15 move towards the interval, the supporting member moves along with the beam bodies 15, and the supporting member slides with the second sliding part 3 (for example, the upper supporting column 12 slides in the upper sliding groove 6, and the lower supporting column 5 slides in the lower sliding groove 11, when sliding, the first supporting member 2 can obtain multi-point support of the second supporting member 1 through the upper supporting column 12, the lower supporting column 5, and the second sliding part 3, so as to ensure that the vehicle passes smoothly), and meanwhile, the first sliding part 4 moves upwards, and the supporting member is always attached to the first sliding part 4, so that the sealing performance is ensured. Conversely, when the two beams 15 move away from the gap, the first slide 4 moves downwards.
During maintenance, after the first support member 2 is detached, the first sliding member 4 is lifted (the first sliding member 4 is provided with the hoisting hole 9), so that the components of the sliding bearing device except the second support member 1 can be integrally lifted, and maintenance is facilitated. After the damaged parts are replaced, the assembly and installation are convenient and fast.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. Therefore, the embodiments disclosed above are merely illustrative and not exclusive in all respects, and the embodiments described above may be combined arbitrarily. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.
Claims (10)
1. The utility model provides a bearing device slides for install in the roof beam body interval department of bridge, its characterized in that includes:
a support member and a glide member;
the supporting members are arranged in pairs and are symmetrically arranged on two sides of the beam body at intervals;
the supporting member is Contraband, and comprises a first supporting member and a second supporting member, wherein the second supporting member is L-shaped, and is detachably connected with the first supporting member below the first supporting member;
the sliding component is in an I shape and comprises a first sliding component and a second sliding component, the first sliding component is lapped above the two first supporting components, the second sliding component is positioned in the Contraband type opening of the two supporting components, a connecting rod is arranged at the bottom of the first sliding component, and the connecting rod is movably connected with the second sliding component and can slide relative to the second sliding component along the axial direction.
2. The skid bearing device of claim 1, wherein:
the top of first support piece is equipped with first inclined plane, the bottom of first sliding component is equipped with the second inclined plane, the second inclined plane with first inclined plane laminating.
3. The skid bearing device of claim 1, wherein:
the second sliding piece is in clearance fit with a Contraband type opening of the supporting member;
a limiting hole is formed in the second sliding piece, and the connecting rod is inserted into the limiting hole;
the limiting hole is an oblong hole, and the length direction of the limiting hole is vertical to the symmetrical surfaces of the two supporting members;
the limiting holes and the connecting rods are multiple and correspond to one another;
the plurality of limiting holes are distributed in an array along the width direction of the limiting holes.
4. The skid-mounted bearing device of claim 1, wherein:
the bottom end of the connecting rod is provided with a limiting block;
a gap is arranged between the bottom surface of the first sliding piece and the top surface of the second sliding piece, and a gap is arranged between the top surface of the limiting block and the bottom surface of the second sliding piece.
5. The skid bearing device of claim 2, wherein:
in the Contraband-shaped opening of the supporting member, an upper supporting column is arranged on the first supporting piece, a lower supporting column is arranged on the second supporting piece, and the upper supporting column corresponds to the lower supporting column one by one;
the second sliding part is provided with a sliding groove, and the sliding groove comprises an upper sliding groove positioned at the top of the second sliding part and a lower sliding groove positioned at the bottom of the second sliding part;
the upper support column is positioned in the upper sliding groove and is in sliding fit with the upper sliding groove;
the lower supporting column is located in the lower sliding groove and is in sliding fit with the lower sliding groove.
6. The skid bearing device of claim 5, wherein:
the upper sliding groove and the lower sliding groove are both oblong grooves, and the length direction of the upper sliding groove and the lower sliding groove is vertical to the symmetrical surfaces of the two supporting members;
the bottom surface of going up the support column with the bottom surface laminating in groove of sliding on, the top surface of lower support column with the top surface laminating in groove of sliding down.
7. The skid bearing device of claim 6, wherein:
the periphery of the bottom surface of the upper support column and the periphery of the top surface of the lower support column are smoothly arranged;
the first sliding piece is arranged at the end part of the second inclined plane in a smooth mode.
8. A bridge expansion joint structure, comprising:
two beams arranged at intervals and the sliding bearing device of any one of claims 1 to 7;
an installation groove is formed between the two beam bodies, and the sliding bearing device is installed in the installation groove;
the sliding bearing devices are arranged in parallel along the width direction of the beam body.
9. The bridge expansion joint structure of claim 8, wherein:
the bottom surface of the mounting groove is provided with an elastic pouring layer, and the sliding bearing device is mounted on the elastic pouring layer;
the elastic pouring layer is any one or combination of an epoxy resin composite material layer and an ultrahigh-performance concrete layer and is used for bearing, absorbing shock and eliminating torsional deformation of the beam body.
10. The bridge expansion joint structure of claim 8, wherein:
the side wall of the mounting groove is provided with a first mounting plate, and the side walls of the two beam bodies forming the interval are provided with second mounting plates;
the first mounting plate abuts against one side of the support member, the displacement of the sliding bearing device during contraction is limited;
the second mounting plate is positioned below the supporting member, a limiting plate is mounted on the second mounting plate, and the limiting plate abuts against the other side of the supporting member and is used for limiting displacement of the sliding bearing device when the sliding bearing device stretches;
the end part of a water stop belt is clamped between the second mounting plate and the limiting plate, the water stop belt is arranged between the beam bodies in a U shape, and the length of the water stop belt is not less than the width of the beam bodies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220767804.4U CN217536651U (en) | 2022-03-31 | 2022-03-31 | Sliding bearing device and bridge expansion joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220767804.4U CN217536651U (en) | 2022-03-31 | 2022-03-31 | Sliding bearing device and bridge expansion joint structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217536651U true CN217536651U (en) | 2022-10-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220767804.4U Active CN217536651U (en) | 2022-03-31 | 2022-03-31 | Sliding bearing device and bridge expansion joint structure |
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| Country | Link |
|---|---|
| CN (1) | CN217536651U (en) |
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2022
- 2022-03-31 CN CN202220767804.4U patent/CN217536651U/en active Active
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