CN108221651B

CN108221651B - Bridge bearing

Info

Publication number: CN108221651B
Application number: CN201711444360.0A
Authority: CN
Inventors: 杨春平; 蒋瑞秋; 刘军; 胡宇新; 梁亦山; 李珠玲; 夏俊勇
Original assignee: Zhuzhou Times New Material Technology Co Ltd
Current assignee: Zhuzhou Times New Material Technology Co Ltd
Priority date: 2017-12-27
Filing date: 2017-12-27
Publication date: 2020-05-12
Anticipated expiration: 2037-12-27
Also published as: CN108221651A

Abstract

The invention provides a bridge support, which comprises an upper seat plate connected with the bottom of a bridge beam, a lower seat plate connected with a bridge pier, a horizontal adjusting assembly for eliminating horizontal installation errors of the bridge and the bridge pier, and a height adjusting assembly for eliminating vertical installation errors of the bridge and the bridge pier, wherein the horizontal adjusting assembly comprises an adjusting hole for adjusting the horizontal position of the support and a positioning component for fixing the horizontal position of the support, the adjusting hole is formed in the upper seat plate and/or the lower seat plate, and the positioning component is arranged at the position of the adjusting hole; the height adjusting assembly is arranged between the upper seat plate and the bridge bottom or between the lower seat plate and the bridge pier. The invention has the advantages of meeting the requirements of the design elevation and the position of the bridge, along with high adjustment precision, simple structure and the like.

Description

Bridge bearing

Technical Field

The invention relates to the field of bridge supports, in particular to a bridge support.

Background

In recent years, in order to ensure the construction quality of roads, bridges and houses and realize rapid and efficient construction, an industrial construction technology is developed, wherein the industrial construction technology is a construction technology which modularizes main structures of the roads, bridges and houses in stages, performs industrial prefabrication and then splices the prefabricated modules on site. The industrialized construction technology comprises the construction of a simply supported beam bridge with a beam body made of concrete prefabricated parts and the construction of an air rail bridge with a track beam and a pier both made of steel-structure prefabricated parts.

In order to meet the design and operation requirements, the bridge usually can finely adjust the bridge elevation and the axial contact ratio of two adjacent beams along the bridge direction when the bridge is installed. Because track roof beam and pier are the steel construction prefab, have the part deformation scheduling problem that transportation hoist and mount caused simultaneously for the actual mounted position of bridge and pier after the installation fine-tuning produces very big dislocation error at vertical, front and back level, three direction of left and right sides level and theoretical mounted position, and the dislocation error will lead to the installation interface size dislocation of bridge beam supports and bridge and pier, causes the unable installation of support, can't satisfy track roof beam design elevation and position requirement. And the installation dislocation error value of each section of bridge and the corresponding bridge pier is different, and the installation error of the beam pier cannot be eliminated by the conventional bridge support and concrete cast-in-place mode.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide the bridge support which meets the requirements of the design elevation and the position of a bridge, and has high adjustment precision and simple structure.

A bridge support comprises an upper seat plate connected with the bottom of a bridge beam, a lower seat plate connected with a bridge pier, a horizontal adjusting assembly used for eliminating horizontal installation errors of the bridge and the bridge pier, and a height adjusting assembly used for eliminating vertical installation errors of the bridge and the bridge pier, wherein the horizontal adjusting assembly comprises an adjusting hole used for adjusting the horizontal position of a support and a positioning component used for fixing the horizontal position of the support, the adjusting hole is formed in the upper seat plate and/or the lower seat plate, and the positioning component is arranged at the position of the adjusting hole; the height adjusting assembly is arranged between the upper seat plate and the bridge bottom or between the lower seat plate and the bridge pier.

As a further improvement of the above technical solution:

the horizontal adjusting assembly further comprises a filling piece, and the filling piece is filled in the adjusting hole after the horizontal position of the support is adjusted.

The filling member is a concrete filling member, a polyurethane filling member or an epoxy resin filling member.

The positioning component comprises a cover plate, a fastening bolt and a nut, the cover plate is arranged at the opening end of the adjusting hole, one end of the fastening bolt is tightly pressed on the cover plate, and the other end of the fastening bolt penetrates through the adjusting hole to be tightly connected with the nut.

The adjusting hole is a round through hole or a waist-shaped through hole.

When the adjusting hole is a circular through hole, the circular through hole is arranged on the upper seat plate or the lower seat plate.

When the adjusting holes are waist-shaped through holes, the waist-shaped through holes comprise longitudinal waist-shaped holes longitudinally arranged along the bridge deck and transverse waist-shaped holes transversely arranged along the bridge deck, and the longitudinal waist-shaped holes and the transverse waist-shaped holes are respectively arranged on the upper seat plate and the lower seat plate.

The height adjusting assembly comprises a plurality of groups of adjusting gaskets, and the thicknesses of the groups of adjusting gaskets are different.

The bridge bottom steel plate is arranged between the upper seat plate and the bridge bottom, the upper seat plate is connected with the bridge bottom steel plate through an upper anchor bolt assembly, and the upper anchor bolt assembly is a positioning component when the upper seat plate is arranged in the adjusting hole.

The lower base plate is connected with the pier top plate through a lower anchor bolt component, and the lower anchor bolt component is a positioning component when the lower base plate is arranged in the adjusting hole. In order to solve the technical problems, the technical scheme provided by the invention is as follows:

compared with the prior art, the invention has the advantages that:

the invention is provided with a horizontal adjusting component and a height adjusting component. The horizontal adjusting assembly comprises an adjusting hole and a positioning component, the bridge support can adjust the horizontal position through the adjusting hole, the horizontal installation error of the bridge and the bridge pier is eliminated, and the bridge support can be effectively installed when the bridge and the bridge pier have horizontal dislocation errors; the positioning component can effectively fix the support after the horizontal position of the support is adjusted, so that the normal use of the support after installation is ensured; meanwhile, the adjusting holes are formed in the upper seat plate and/or the lower seat plate, and the positioning component is arranged at the position of the adjusting holes, so that the horizontal adjusting component is not required to be arranged by adopting independent special equipment, the occupied space is small, the structure is simple and compact, and the operation is convenient. Meanwhile, the height adjusting assembly is arranged between the upper seat plate and the bottom of the bridge beam or between the lower seat plate and the bridge pier, and when the requirement of the elevation of the track beam cannot be met, the height adjusting assembly can be arranged according to the height adjusting precision and the height adjusting range of the support so as to eliminate the vertical installation error of the bridge and the bridge pier.

The bridge support realizes the adjusting function of the vertical and horizontal positions of the support through the combination of the horizontal adjusting assembly and the height adjusting assembly without changing the integral structure and the conventional function of the support, eliminates elevation and position errors generated during the manufacturing and installation of the prefabricated bridge pier and the bridge, and effectively meets the design elevation and position requirements of the track beam. Meanwhile, the adjusting assembly has the advantages of high adjusting precision, simple structure, convenience in operation and small occupied space.

Drawings

The invention will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings. Wherein:

FIG. 1 is a front view of the bridge deck of the present invention.

Fig. 2 is an enlarged schematic view of a portion a of fig. 1.

Fig. 3 is an enlarged schematic view of a portion B of fig. 1.

Figure 4 is a top view of the bridge deck of the present invention.

The reference numerals in the figures denote:

1. an upper seat plate; 2. a lower seat plate; 3. a level adjustment assembly; 31. an adjustment hole; 32. a positioning member; 321. a cover plate; 322. fastening a bolt; 323. a nut; 324. a bolt washer; 33. a filling member; 4. a height adjustment assembly; 41. adjusting the gasket; 5. a beam bottom steel plate; 6. an upper anchor bolt assembly; 7. a pier top plate; 8. and a lower anchor bolt assembly.

Detailed Description

The invention will be described in further detail with reference to the drawings and specific examples of the description, which should not be construed as limiting the scope of the invention.

Fig. 1 shows an embodiment of the bridge bearing of the present invention, which can be applied to bridge bearings such as a basin-type bearing, a ball-type bearing, and a plate-type rubber bearing. In this embodiment, the bridge support includes an upper seat plate 1, a lower seat plate 2, a horizontal adjustment assembly 3, and a height adjustment assembly 4. Wherein, the upper seat plate 1 is connected with the bottom of the bridge beam; the lower base plate 2 is connected with a pier; the horizontal adjustment assembly 3 includes an adjustment hole 31 and a positioning member 32. In the embodiment, the adjusting holes 31 are formed in the lower seat plate 2, the adjusting holes 31 provide a moving space for the lower seat plate 2 to adjust the horizontal position of the support, horizontal installation errors of the bridge and the bridge pier are eliminated, and the bridge support can be effectively installed when horizontal dislocation errors exist in the bridge and the bridge pier; the positioning component 32 is arranged at the position of the adjusting hole 31, and the positioning component 32 can effectively fix the support after the horizontal position of the support is adjusted, so that the normal use of the support after installation is ensured. Meanwhile, the adjusting hole 31 of the embodiment is arranged on the lower seat plate 2, and the positioning component 32 is arranged at the position of the adjusting hole 31, so that the horizontal adjusting component 3 is not required to be arranged by adopting separate special equipment, and the horizontal adjusting component has the advantages of small occupied space, simple and compact structure and convenience in operation. In other embodiments, the adjusting hole 31 may also be disposed on the upper seat plate 1 to provide a moving space for the upper seat plate 1 to achieve the purpose of adjusting the horizontal position of the support; the adjusting holes 31 can also be arranged on the upper seat plate 1 and the lower seat plate 2 at the same time.

As shown in fig. 1, the height adjustment assembly 4 of the present embodiment is disposed between the upper seat plate 1 and the bottom of the bridge beam. When the requirement of the elevation of the track beam cannot be met, the height adjusting assembly 4 can be arranged according to the height adjusting precision and the height adjusting range of the support so as to eliminate the vertical installation error of the bridge and the pier. In other embodiments, the height adjustment assembly 4 may also be disposed between the lower seat plate 2 and the pier.

According to the bridge support, the vertical and horizontal position adjusting function of the support is realized through the combination of the horizontal adjusting component 3 and the height adjusting component 4 without changing the overall structure and the conventional function of the support, the elevation and position errors generated during manufacturing and installation of the prefabricated bridge pier and the bridge are eliminated, and the design elevation and position requirements of the track beam are effectively met. Meanwhile, the bridge support provided by the invention has the advantages of high adjustment precision, simple structure, convenience in operation and small occupied space.

Further, the level adjustment assembly 3 further includes a filler 33. The filling piece 33 is filled in the adjusting hole 31 after the horizontal position of the support is adjusted, so that the upper and lower components of the support are relatively fixed after the support is finely adjusted. In this embodiment, the material of the filling member 33 is a liquid filling material capable of achieving curing, for example, a liquid filling material capable of achieving curing, such as a concrete filling member, a polyurethane filling member, or an epoxy resin filling member, may be used.

As shown in fig. 2, the positioning member 32 of the present embodiment includes a cover plate 321, a fastening bolt 322, and a nut 323. The cover plate 321 is disposed at an opening end of the adjusting hole 31, and can provide shaping protection for the filling member 33 before curing, and facilitate installation and pre-tightening of the positioning member 32; one end of the fastening bolt 322 is pressed on the cover plate 321, and the other end of the fastening bolt 322 passes through the adjusting hole 31 to be tightly connected with the nut 323, so that effective positioning and installation after the horizontal position of the support is adjusted are realized. The structure is compact and the operation is convenient. In this embodiment, the nut 323 is a stud nut, and a bolt washer 324 is disposed at the position of the stud nut.

In the present embodiment, the adjustment hole 31 is a circular through hole. The circular through hole is arranged on the lower seat plate 2, so that the support can realize multi-direction horizontal position adjustment in the moving space of the circular through hole, and the effective and reliable installation of the support is ensured. As shown in fig. 4, the circular through holes are provided in four groups, and the four groups are provided at four corners of the lower seat plate 2. In other embodiments, the adjusting holes 31 may also be waist-shaped through holes, and the waist-shaped through holes include longitudinal waist-shaped holes disposed longitudinally along the bridge deck, and transverse waist-shaped holes disposed transversely along the bridge deck, and the longitudinal waist-shaped holes and the transverse waist-shaped holes are respectively disposed on the upper seat plate 1 and the lower seat plate 2, so that the horizontal position adjustment in the longitudinal and transverse directions of the support is realized through the longitudinal and transverse waist-shaped holes respectively disposed on the upper seat plate 1 and the lower seat plate 2. Meanwhile, four groups of longitudinal waist-shaped holes are formed, four groups of transverse waist-shaped holes are formed, the four groups of longitudinal waist-shaped holes are formed in the four corners of the upper seat plate 1, and the four groups of transverse waist-shaped holes are formed in the four corners of the lower seat plate 2.

As shown in fig. 3, the height adjustment assembly 4 of the present embodiment includes a plurality of sets of shims 41. The thickness of each group of adjusting shim 41 is different, so that the height adjusting assembly 4 with any thickness in a certain height range is combined in a mode of overlapping a plurality of groups of adjusting shims 41. During assembly, a proper adjusting gasket 41 is selected and arranged between the upper seat plate 1 and the bridge bottom to meet the design height of the support; meanwhile, according to the height adjustment precision and the height adjustment range of the support, the adjusting gasket 41 with the corresponding thickness is pulled away or added, so that the elevation error generated when the prefabricated bridge pier and the bridge are manufactured and installed is eliminated, and the design elevation requirement of the track beam is met. And it has avoided adopting injection compression equipment to increase has the problem that the process is loaded down with trivial details, can't realize reverse turn down, and it conveniently realizes the regulation of the arbitrary height of support, and adjusts precision height, convenient operation, simple structure. In this embodiment, each set of adjusting spacers 41 has a through hole for the positioning component 32 to pass through, so that the adjusting spacers 41 do not generate relative displacement, thereby ensuring the high reliability of adjustment. When the height of the pedestal is adjusted, the positioning member 32 is disengaged from the through hole to facilitate the removal and addition of the spacer 41.

As shown in fig. 1, a beam bottom steel plate 5 is arranged between an upper seat plate 1 and a beam bottom of a bridge in the embodiment, and the upper seat plate 1 and the beam bottom steel plate 5 are connected through an upper anchor bolt assembly 6. In other embodiments, the upper anchor bolt assembly 6 is a locating feature 32 when the adjustment aperture 31 is provided in the upper seat plate 1. In this embodiment, a pier top plate 7 is disposed between the lower seat plate 2 and the pier, the lower seat plate 2 is connected to the pier top plate 7 through a lower anchor bolt assembly 8, and the lower anchor bolt assembly 8 is the positioning component 32 of the horizontal adjustment assembly 3.

While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A bridge support comprises an upper seat plate connected with the bottom of a bridge beam and a lower seat plate connected with a bridge pier, and is characterized by further comprising a horizontal adjusting assembly used for eliminating horizontal installation errors of the bridge and the bridge pier and a height adjusting assembly used for eliminating vertical installation errors of the bridge and the bridge pier, wherein the horizontal adjusting assembly comprises an adjusting hole used for adjusting the horizontal position of a support and a positioning component used for fixing the horizontal position of the support, the adjusting hole is formed in the upper seat plate and/or the lower seat plate, and the positioning component is arranged at the position of the adjusting hole; the height adjusting assembly is arranged between the upper seat plate and the bridge bottom or between the lower seat plate and the bridge pier, the horizontal adjusting assembly further comprises a filling piece, the filling piece is filled in the adjusting hole after the horizontal position of the support is adjusted, and the filling material of the filling piece is a liquid filling material capable of realizing solidification, so that the upper component and the lower component of the bridge support are relatively fixed after the bridge support is adjusted.

2. The bridge support according to claim 1, wherein the filler is a concrete filler, a polyurethane filler or an epoxy filler.

3. The bridge support according to claim 1, wherein the positioning member comprises a cover plate, a fastening bolt and a nut, the cover plate is disposed at an opening end of the adjusting hole, one end of the fastening bolt is pressed against the cover plate, and the other end of the fastening bolt passes through the adjusting hole and is fastened with the nut.

4. The bridge support according to any one of claims 1 to 3, wherein the adjustment hole is a circular through hole or a kidney-shaped through hole.

5. The bridge support according to claim 4, wherein when the adjustment hole is a circular through hole, the circular through hole is provided on the upper seat plate or the lower seat plate.

6. The bridge support according to claim 4, wherein when the adjusting holes are kidney-shaped through holes, the kidney-shaped through holes comprise longitudinal kidney-shaped holes arranged along the longitudinal direction of the bridge deck and transverse kidney-shaped holes arranged along the transverse direction of the bridge deck, and the longitudinal kidney-shaped holes and the transverse kidney-shaped holes are respectively arranged on the upper seat plate and the lower seat plate.

7. The bridge support according to any one of claims 1 to 3, wherein the height adjustment assembly comprises a plurality of sets of shims, each set of shims having a different thickness.

8. The bridge support according to any one of claims 1 to 3, wherein a bottom steel plate is arranged between the upper seat plate and the bridge bottom, the upper seat plate and the bottom steel plate are connected through an upper anchor bolt assembly, and when the adjusting hole is arranged on the upper seat plate, the upper anchor bolt assembly is a positioning component.

9. The bridge bearing according to claim 8, wherein a pier top plate is arranged between the lower seat plate and the pier, the lower seat plate and the pier top plate are connected through a lower anchor bolt assembly, and when the adjusting hole is formed in the lower seat plate, the lower anchor bolt assembly is a positioning part.