Bridge expansion joint device

Abstract

The utility model relates to a bridge expansion joint device which comprises a first beam body, a second beam body, an expansion assembly and height adjusting plates, installation notches are formed in the beam end of the first beam body and the beam end of the second beam body respectively, the height adjusting plates are fixedly arranged in the installation notches respectively, the expansion assembly comprises the expansion plates and supporting rib plates, and the supporting rib plates are fixedly arranged on the first beam body and the second beam body respectively. The number of the telescopic plates is two, the two telescopic plates correspond to the two mounting notches respectively, and a supporting rib plate is arranged at the bottom of each telescopic plate. Each telescopic plate is provided with a through hole penetrating through the wall thickness of the telescopic plate, the through holes are adjacent to the supporting rib plates, and a welding tool can penetrate through the through holes to weld the supporting rib plates and the height adjusting plates on the corresponding sides together. During welding, a constructor can enable a welding tool such as a welding gun to penetrate through the through hole, the height adjusting plate and the supporting rib plate are welded together, and operation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge engineering technical field, concretely relates to a bridge expansion joint device. BACKGROUND

[0002] In order to meet the need of bridge beam body deformation, bridge expansion joint device is generally installed between the two beam ends of bridge, between beam end and abutment or hinge position of bridge. In conventional installation, after paving layer is paved, back excavation is carried out, installation slot is cut according to the installation width requirement of expansion joint device, is dug, cleaned, expansion joint device is fixed with embedded steel bar, finally, transition section concrete is poured in reserved slot and is maintained, and after concrete maintenance is finished, it can be opened to traffic.

[0003] Such as patent number CN202210727845.5 (announcement number CN115058963A) the Chinese utility model patent discloses a bridge expansion joint device and its installation method, the bridge expansion joint device includes first beam body, second beam body and expansion assembly, the beam end part of first beam body and the beam end part of second beam body are opened with the installation slot for installing expansion assembly, the embedded fixing piece is embedded in the bottom of installation slot, and the height adjusting assembly fixed with embedded fixing piece is installed in installation slot, and expansion assembly is fixed on height adjusting assembly.

[0004] Expansion assembly includes first expansion plate, second expansion plate, first support rib plate and second support rib plate, the first support rib plate is fixed on the outer side of the bottom of first expansion plate, the second support rib plate is fixed on the outer side of the bottom of second expansion plate, height adjusting assembly includes height adjusting plate and penetrating rib, height adjusting plate is L-shaped and forms horizontal support step in the inner side of middle part, the bottom of height adjusting plate is welded and fixed with the embedded fixing piece, and the first support rib plate and second support rib plate are supported on corresponding horizontal support step and are welded and fixed with height adjusting plate.

[0005] But when welding height adjusting plate and support rib plate, because expansion plate is shielded on the top of support rib plate and height adjusting plate, so it will cause the difficulty of construction personnel when welding;In addition, from the step 6 of the installation method of the application, it is known that finally needs to pour filling piece into installation slot, and because of the shielding of expansion plate, it is inconvenient for construction personnel to observe the filling condition of filling piece. Utility model content

[0006] The utility model solves the technical problems in the prior art, and provides a bridge expansion joint device facilitating welding of support rib plate and height adjusting plate.

[0007] The utility model discloses a technical scheme that solves the above technical problem is adopted: a bridge expansion joint device, including first beam body, second beam body, expansion component and height -adjusting board, install the slot in the beam end part of first beam body and the beam end part of second beam body, each install the slot mouth in all fixed height -adjusting board of being equipped with of each, expansion component includes expansion board and support rib plate, expansion board has two and respectively corresponds two install the slot configuration, each expansion board bottom all is equipped with support rib plate, the utility model discloses a kind of expansion board and height -adjusting board, and the utility model discloses a kind of expansion board and height -adjusting board,

[0008] It is characterized in that a through hole penetrating the wall thickness of each expansion board is formed, the through hole is arranged adjacent to the support rib plate, and the through hole can be passed through by a welding tool to weld the support rib plate and the height-adjusting board on the corresponding side together.

[0009] Preferably, the through hole also serves as an observation hole for observing the filling condition of the filler in the installation slot. After the installation of the expansion component is completed, it is still necessary to pour concrete, asphalt or other fillers into the installation slot. The through hole not only facilitates the welding of the support rib plate and the height-adjusting board, but also facilitates the observation of the filling condition in the installation slot below the expansion board, so as to control the construction condition of the filler.

[0010] Preferably, the height-adjusting board is provided with a vertically extending insertion slot, the insertion slot penetrates the top of the height-adjusting board, and the support rib plate can be inserted into the insertion slot of the corresponding height-adjusting board. The provision of the insertion slot not only enables the support rib plate to be pre-positioned, but also facilitates the subsequent welding between the support rib plate and the height-adjusting board. The contact area between the insertion slot and the support rib plate is large, and the welding firmness is high. The cooperation between the insertion slot and the support rib plate enables the expansion board and the height-adjusting board to form an integral anchoring structure. At the same time, this boltless connection eliminates the adverse effects caused by bolt loosening and improves the product life.

[0011] In order to further improve the welding firmness between the support rib plate and the height-adjusting board, at least two support rib plates are arranged on each expansion board in a spaced manner, a plurality of height-adjusting boards are arranged in each installation slot in a transverse direction, each height-adjusting board is provided with the insertion slot, and the support rib plates are inserted into the insertion slots from top to bottom in a one-to-one correspondence. In this way, the expansion board and the height-adjusting board are connected at multiple positions through the support rib plate and the insertion slot, which strengthens the overall welding strength, has strong durability, and ensures the compactness of the concrete.

[0012] Preferably, at least two insertion slots are arranged on each height-adjusting board.

[0013] Preferably, the height-adjusting board is arranged adjacent to the inner side edge of the corresponding installation slot, so as to reduce the force arm of the expansion board.

[0014] In order to fix the height-adjusting board in the installation slot, a pre-buried fixing member is pre-buried at the bottom of the installation slot, and the bottom of the height-adjusting board is fixedly connected with the pre-buried fixing member.

[0015] The pre-buried fixing member can be a pre-buried reinforcing steel bar, but the pre-buried reinforcing steel bar has defects such as missing, breaking and inaccurate height, which affect the installation quality of the expansion joint device, so the pre-buried fixing member is a pre-buried steel plate, the pre-buried steel plate is fixed with the corresponding first beam body or second beam body through a connecting member, the connecting member can be a shear pin, an anchor bolt or the like, so that the expansion joint device is integrally anchored with the beam body, and the integral anchoring strength between the expansion joint device and the beam body is improved.

[0016] Preferably, an anti-collision plate is welded on the outer side of the height-adjusting plate, the transition section concrete is cancelled, the problem that the transition section concrete is easily damaged is solved, and the impact resistance and durability of the expansion joint device are improved.

[0017] Preferably, a water stop is arranged between the first beam body and the second beam body and located below the expansion plate.

[0018] Compared with the prior art, the expansion joint device has the following advantages: the through hole penetrating through the wall thickness of the expansion plate is arranged on the expansion plate, the welding tool such as a welding gun can be inserted through the through hole during welding, the height-adjusting plate and the supporting rib plate are welded together, and the operation is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a sectional view of the embodiment 1 of the utility model;

[0020] Figure 2 It is a structural schematic view (the filler is not shown) of the embodiment 1 of the utility model; Figure 1

[0021] Figure 3 It is an exploded schematic view of the embodiment 1 of the utility model; Figure 2

[0022] Figure 4 It is a top view of the embodiment 1 of the utility model; Figure 1

[0023] Figure 5 It is a sectional view of the embodiment 2 of the utility model;

[0024] Figure 6 It is a top view of the embodiment 2 of the utility model. Figure 5 DETAILED DESCRIPTION

[0025] The utility model will be further described in detail below in combination with the embodiment of the drawings.

[0026] Embodiment 1

[0027] As Figures 1 to 4 ​​​​As shown, the bridge expansion joint device of this preferred embodiment includes a first beam 11, a second beam 12, an expansion component, and an adjustment plate 2. Installation slots 13 are opened at the beam ends of the first beam 11 and the beam ends of the second beam 12. An adjustment plate 2 is fixedly installed in each installation slot 13. The adjustment plate 2 can be made, adjusted, and positioned in a timely manner on the construction site according to the actual depth requirements of the installation slot 13, and the spacing between them can also be adjusted arbitrarily.

[0028] The telescopic assembly includes a telescopic plate 3 and a supporting rib plate 31. There are two telescopic plates 3, each corresponding to one of the two mounting slots 13. In this embodiment, one of the telescopic plates 3 is a cross-slot comb plate. Figure 1 The telescopic plate on the left side of the middle section), and another telescopic plate 3 is a fixed comb plate ( Figure 1 The structure of the telescopic plate on the right side, the cross-slot comb plate, and the fixed comb plate, as well as their cooperation, are existing technologies and will not be described in detail here.

[0029] The side of the first beam 11 closest to the second beam 12 is the inner side, and the side furthest from the second beam 12 is the outer side; similarly, the side of the second beam 12 closest to the first beam 11 is the inner side, and the side furthest from the first beam 11 is the outer side. The outer portion of the cross-slot comb plate is located at the first beam 11, and the inner portion extends beyond the first beam 11 onto the second beam 12.

[0030] Each telescopic plate 3 has a supporting rib 31 at its bottom. In this embodiment, the supporting rib 31 is integrally formed on the bottom wall of the telescopic plate 3, and the supporting rib 31 and the telescopic plate 3 form an F-shaped structure in longitudinal section. The height adjustment plate 2 has a vertically extending slot 21 that penetrates the top of the height adjustment plate 2. The supporting rib 31 can be inserted into the corresponding slot 21 of the height adjustment plate 2 from top to bottom. By welding the supporting rib 31 to the wall of the slot 21, the telescopic plate 3 and the height adjustment plate 2 are relatively fixed. The slot 21 not only allows for pre-positioning of the supporting rib 31, facilitating subsequent welding between the supporting rib 31 and the height adjustment plate 2, but also provides a large contact area between the slot 21 and the supporting rib 31, resulting in high welding strength.

[0031] Each telescopic plate 3 is provided with at least two supporting ribs 31 spaced apart. Each mounting slot 13 contains multiple height adjustment plates 2 spaced laterally (with the arrangement direction of the first beam 11 and the second beam 12 as the longitudinal direction, and the horizontal direction perpendicular to the longitudinal direction as the transverse direction). Each height adjustment plate 2 is provided with at least two slots 21, and the supporting ribs 31 are inserted into the slots 21 one by one from top to bottom. In this embodiment, each height adjustment plate 2 is provided with two slots 21. In this way, the telescopic plate 3 and the height adjustment plate 2 are connected at multiple points through the supporting ribs 31 and slots 21, resulting in good connection stability.

[0032] Each telescopic plate 3 is provided with a through hole 32 penetrating the wall thickness thereof, which is arranged adjacent to the support rib plate 31 and can be passed through by a welding tool to weld the support rib plate 31 and the height-adjustable plate 2 on the corresponding side together. The welding tool can be a welding gun, a robot, etc.

[0033] In addition, the through hole 32 also serves as an observation hole for observing the filling condition of the filler in the installation slot 13. After the telescopic assembly is installed, concrete, asphalt or other fillers need to be poured into the installation slot 13, and the through hole 32 not only facilitates the welding of the support rib plate 31 and the height-adjustable plate 2, but also facilitates the observation of the filling condition in the installation slot 13 below the telescopic plate 3, so as to control the construction quality of the filler.

[0034] The height-adjustable plate 2 is arranged adjacent to the inner side edge of the corresponding installation slot 13 to reduce the force arm of the telescopic plate 3. Preferably, the distance between the height-adjustable plate 2 and the inner side edge of the corresponding installation slot 13 is 0-3 cm.

[0035] The bottom of the installation slot 13 is pre-buried with a pre-buried fixing member 4, and the bottom of the height-adjustable plate 2 is welded with the pre-buried fixing member 4 to be fixedly connected. When the telescopic plate 3 is installed, the height-adjustable plate 2 is first welded with the pre-buried fixing member 4.

[0036] The pre-buried fixing member 4 can be a pre-buried steel bar, but the pre-buried steel bar has defects such as missing, fracture and inaccurate height, which affects the installation quality of the telescopic device. Therefore, the pre-buried fixing member 4 is a pre-buried steel plate, which is fixed with the corresponding first beam body 11 or second beam body 12 through a connecting member 41. The connecting member 41 can be a shear nail, an anchor bolt, etc.

[0037] The outer side of the height-adjustable plate 2 is welded with an anti-collision plate 5 to reduce the damage of the transition section concrete, and a water stop 6 is arranged between the first beam body 11 and the second beam body 12 below the telescopic plate 3. The designs of the anti-collision plate 5 and the water stop 6 are prior art, which will not be described here.

[0038] Embodiment 2

[0039] The difference between Embodiment 2 and Embodiment 1 is that, as shown in Figure 5 , 6 In this embodiment, the inner side of the cross-seam comb plate passes over the first beam body 11 and does not extend to the second beam body 12, and the other structures can refer to Embodiment 1.

[0040] In the description of the utility model, need understanding is, the term '' center'', '' longitudinal direction'', '' transverse direction'', '' length'', '' width'', '' thickness'', '' upper'', '' lower'', '' front'', '' rear'', '' left'', '' right'', '' vertical'', '' horizontal'', '' top'', '' bottom'' '' inner'', '' outer'', '' clockwise'', '' counterclockwise'', '' axial direction'', '' radial direction'', '' circumferential direction'' etc. Indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and is not indicated or implied that the device or element indicated must have a particular orientation, a particular orientation and operation, since the disclosed embodiment of the utility model can be arranged in different directions, so these orientation terms are only as an illustration and should not be regarded as a limitation, for example '' upper'', '' lower'' not necessarily be limited to the direction opposite or consistent with the direction of gravity.

Claims

1. A bridge expansion joint device, comprising a first beam body (11), a second beam body (12), an expansion assembly and a height adjustment plate (2), a mounting notch (13) is formed at the beam end of the first beam body (11) and the beam end of the second beam body (12), the height adjustment plate (2) is fixedly arranged in each mounting notch (13), the expansion assembly comprises an expansion plate (3) and a support rib plate (31), the expansion plate (3) is arranged corresponding to the two mounting notches (13) respectively, and the bottom of each expansion plate (3) is provided with the support rib plate (31). characterized in that A through hole (32) is formed in each expansion plate (3) and penetrates the wall thickness of the expansion plate (3), the through hole (32) is arranged adjacent to the support rib plate (31), and the through hole (32) can be penetrated by a welding tool to weld the support rib plate (31) and the corresponding height adjustment plate (2) together.

2. The bridge joint device according to claim 1, characterized in that: The through hole (32) also serves as an observation hole for observing the filling condition of the filler in the mounting notch (13).

3. The bridge joint device of claim 1, wherein: The height adjustment plate (2) is provided with a vertically extending insertion slot (21), the insertion slot (21) penetrates the top of the height adjustment plate (2), and the support rib plate (31) can be inserted into the insertion slot (21) of the corresponding height adjustment plate (2).

4. The bridge joint device according to claim 3, characterized in that: At least two support rib plates (31) are arranged on each expansion plate (3) in a spaced manner, a plurality of height adjustment plates (2) are arranged in each mounting notch (13) in a transverse spaced manner, the insertion slot (21) is arranged on each height adjustment plate (2), and the support rib plates (31) are inserted into the insertion slots (21) in a one-to-one correspondence from top to bottom.

5. The bridge joint device of claim 4, wherein: At least two insertion slots (21) are arranged on each height adjustment plate (2).

6. The bridge expansion joint apparatus of any one of claims 1-5, wherein: The height adjustment plate (2) is arranged adjacent to the inner side edge of the corresponding mounting notch (13).

7. The bridge expansion joint apparatus of any one of claims 1-5, wherein: A pre-embedded fixing member (4) is pre-embedded in the bottom of the mounting notch (13), and the bottom of the height adjustment plate (2) is fixedly connected with the pre-embedded fixing member (4).

8. The bridge joint device of claim 7, wherein: The pre-embedded fixing member (4) is a pre-embedded steel plate, and the pre-embedded steel plate is fixedly connected with the corresponding first beam body (11) or second beam body (12) through a connecting member (41).

9. The bridge expansion joint apparatus of any one of claims 1-5, wherein: An anti-collision plate (5) is welded to the outer side of the height adjustment plate (2).

10. The bridge expansion joint apparatus of any one of claims 1-5, wherein: A water stop (6) is arranged between the first beam body (11) and the second beam body (12) and below the expansion plate (3).

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