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CN-224213151-U - Pier-side bracket

CN224213151UCN 224213151 UCN224213151 UCN 224213151UCN-224213151-U

Abstract

The utility model discloses a pier-side bracket, which relates to the field of pier-side bracket installation construction and comprises two supporting units symmetrically arranged at two ends of a pier body, inclined leg support column groups symmetrically arranged between the supporting units and the pier body, a first transverse support wall used for connecting the pier body and the upper ends of the inclined leg support column groups and a second transverse support wall used for connecting the pier body and the middle ends of the inclined leg support column groups, steel strands used for connecting the two inclined leg support column groups in the supporting units, wherein one ends of the steel strands are anchored on one inclined leg support column group of the supporting units, and the other ends of the steel strands are used for penetrating through the pier body and the first transverse support wall between the pier body and the inclined leg support column group and are anchored on the other inclined leg support column group. In the pushing process of the steel beam, the embodiment of the utility model converts the tensile stress born by the pier body into the compressive stress in a pre-tensioning mode of the steel strand, so that the risk of cracking, damage and other problems of the pier body can be reduced.

Inventors

  • YU YUSEN
  • LUO KAI
  • CHU WEI
  • LV MENG
  • LIAO XINYU
  • WANG ZHENG
  • ZHANG XIAOBO
  • CHEN LIDONG
  • SUN XIUBIN
  • YANG HAIRONG
  • MA MINGQUAN
  • LI HUI
  • Mo Daiguo

Assignees

  • 中铁大桥局集团有限公司
  • 中铁大桥局集团第四工程有限公司

Dates

Publication Date
20260508
Application Date
20250513

Claims (10)

  1. 1. A pier-side bracket for supporting the weight of a top steel beam and serving as a steel beam pushing work platform, comprising: The support unit comprises two symmetrically arranged diagonal leg support column groups (1), a first transverse wall (2) used for connecting the pier body with the upper ends of the diagonal leg support column groups (1) and a second transverse wall (3) used for connecting the pier body with the middle ends of the diagonal leg support column groups (1); the steel strand is used for connecting two diagonal leg support upright post groups (1) in the supporting unit, one end of the steel strand is anchored on one diagonal leg support upright post group (1) of the supporting unit, and the other end of the steel strand is used for penetrating through the pier body and a first transverse wall (2) between the pier body and the diagonal leg support upright post group (1) and is anchored on the other diagonal leg support upright post group (1).
  2. 2. The pier-side bracket of claim 1, wherein the diagonal leg support column group (1) comprises a first diagonal leg support column (110) and a second diagonal leg support column (120) which are arranged in parallel, and a connecting system (6) is arranged between the first diagonal leg support column (110) and the second diagonal leg support column (120) of the diagonal leg support column group (1).
  3. 3. The pier-side bracket of claim 2, wherein a first transverse wall (2) is arranged between the upper end of the first diagonal leg support upright post (110) and the pier body, a second transverse wall (3) is arranged between the middle end of the first diagonal leg support upright post (110) and the pier body, a diagonal leg wall (16) is arranged between the upper end of the first diagonal leg support upright post (110) and the position, close to the center, of the pier body, a first transverse wall (2) is arranged between the upper end of the second diagonal leg support upright post (120) and the pier body, and the first transverse wall (2) is mutually perpendicular to the pier body.
  4. 4. The pier-side bracket according to claim 2, wherein a first steel strand (4) is connected between two first diagonal leg support columns (110) of the two diagonal leg support column groups (1) of the supporting unit, and a second steel strand (5) is connected between two second diagonal leg support columns (120) of the two diagonal leg support column groups (1) of the supporting unit.
  5. 5. The pier-side bracket of claim 4, wherein one end of the first steel strand (4) is anchored to one of the first diagonal leg support columns (110) of the supporting unit, the other end sequentially passes through the first transverse wall (2) between the first diagonal leg support column (110) and the pier body, the first transverse wall (2) between the other first diagonal leg support column (110) of the supporting unit and the pier body, and is anchored to the other first diagonal leg support column (110) of the supporting unit, one end of the second steel strand (5) is anchored to one of the second diagonal leg support columns (120) of the supporting unit, and the other end sequentially passes through the first transverse wall (2) between the second diagonal leg support column (120) and the pier body, the first transverse wall (2) between the other second diagonal leg support column (120) of the supporting unit and the pier body, and is anchored to the other second diagonal leg support column (120) of the supporting unit.
  6. 6. The pier-side bracket according to claim 2, wherein the upper ends of the first diagonal leg support upright post (110) and the second diagonal leg support upright post (120) are respectively sleeved with an anchor member (10), one end of the first transverse wall (2) is connected with the anchor member (10), the other end of the first transverse wall is connected with the pier body, and the end parts of the steel strands penetrate through the anchor member (10) and are connected with anchor end heads (101) arranged on the anchor member (10).
  7. 7. The pier-side bracket of claim 6, wherein the junction of the upper part of the pier body and the first transverse wall (2) is provided with an embedded part (7), and the first transverse wall (2) is connected with the embedded part (7) on the upper part of the pier body.
  8. 8. The pier-side bracket according to claim 6, wherein an embedded part (7) is arranged at the joint of the inclined leg attached wall (16) and the tie beam (18) positioned at the top of the pier body, one end of the inclined leg attached wall (16) is connected with the embedded part (7) at the position, close to the center, of the tie beam (18), and the other end of the inclined leg attached wall is welded with the upper end of the upright post (110) of the first inclined leg bracket.
  9. 9. The pier-side bracket of claim 1, wherein the bottom end of the diagonal leg support column group (1) is fixed on a bearing platform (8) through an embedded part (7), and the distance between the diagonal leg support column group (1) and the pier body is sequentially increased from bottom to top.
  10. 10. The pier-side bracket of claim 1, further comprising: a slideway beam (11) for supporting the pushing of the steel beam; The counterforce seat (15) is arranged on the slideway beam (11), and the counterforce seat (15) is used for balancing horizontal load generated in the pushing process of the steel beam; The top of diagonal leg support stand group (1) is provided with distribution roof beam (17) that are used for supporting top slide roof beam (11), distribution roof beam (17) pass through rigid assembly (9) with diagonal leg support stand group (1) fixed connection, rigid assembly (9) are including fixed cover (91) and stiffening plate (92), fixed cover (91) cover is located diagonal leg support stand group (1) top distribution roof beam (17), a plurality of stiffening plate (92) set up in the outside of fixed cover (91) and with the web of distribution roof beam (17) aligns.

Description

Pier-side bracket Technical Field The utility model relates to the field of installation and construction of pier-side brackets, in particular to a pier-side bracket. Background With the continuous development of bridge engineering in China, the construction of the bridge with the ultra-large span is continuously started, and in the aspect of pushing construction of the steel beam, the size and the weight of the steel beam are correspondingly increased due to the increase of the span of the bridge. In the girder pushing process, pier side brackets and slideway beams are arranged at two sides of the pier to guide the girder pushing, and the pier side brackets play roles in bearing girder load and transmitting horizontal force generated by pushing to the pier body. At present, an embedded part is generally used for connecting a pier-side bracket upright post with a pier body, the embedded part is pressed or pulled to balance horizontal force generated by pushing of a steel beam, but the concrete material adopted by the pier body is weak in tensile resistance, the strength of the pier body is insufficient to bear the horizontal force transmitted by the embedded part, so that the problem of cracking and damage of the pier body is caused, the whole quality and the service life of a bridge are seriously affected, and meanwhile, the embedded part is difficult to dismantle due to high requirement of a welding seam for connecting the embedded part with the pier-side bracket attachment wall, and the problem that the quality of a welding seam on site is difficult to control potential safety hazard is caused. Disclosure of utility model The application provides a pier-side bracket which can solve the technical problem that a pier body is possibly damaged in the pushing process of a steel beam in the prior art. The embodiment of the application provides a pier-side bracket which is used for supporting the weight of a top steel beam and serving as a steel beam pushing operation platform and comprises two supporting units, wherein the two supporting units are symmetrically arranged at two ends of a pier body, inclined leg attaching walls are arranged between the supporting units and the pier body, each supporting unit comprises two inclined leg support column groups which are symmetrically arranged, a first transverse attaching wall used for connecting the pier body and the upper end of each inclined leg support column group, a second transverse attaching wall used for connecting the pier body and the middle end of each inclined leg support column group, steel strands used for connecting the two inclined leg support column groups in the supporting units, one ends of the steel strands are anchored on one inclined leg support column group of the supporting units, and the other ends of the steel strands penetrate through the pier body, the first transverse attaching walls between the pier body and the inclined leg support column groups and are anchored on the other inclined leg support column group. In one embodiment, the diagonal leg support column group comprises a first diagonal leg support column and a second diagonal leg support column which are arranged in parallel, and a connecting system is arranged between the first diagonal leg support column and the second diagonal leg support column of the diagonal leg support column group. In an embodiment, be equipped with first horizontal wall that attaches between the upper end of first oblique leg support stand and the pier shaft, be equipped with second horizontal wall that attaches between the middle-end of first oblique leg support stand and the pier shaft, be equipped with oblique leg wall that attaches between the upper end of first oblique leg support stand and pier shaft near center department, be equipped with first horizontal wall that attaches between the upper end of second oblique leg support stand and the pier shaft, just first horizontal wall that attaches and pier shaft mutually perpendicular. In one embodiment, a first steel strand is connected between two first diagonal leg support columns of the two diagonal leg support column groups of the supporting unit, and a second steel strand is connected between two second diagonal leg support columns of the two diagonal leg support column groups of the supporting unit. In one embodiment, one end of the first steel strand is anchored on one of the first diagonal leg support columns of the supporting unit, the other end sequentially passes through the first transverse wall attachment between the first diagonal leg support column and the pier body, the first transverse wall attachment between the other first diagonal leg support column of the supporting unit and the pier body, and is anchored on the other first diagonal leg support column of the supporting unit, one end of the second steel strand is anchored on one of the second diagonal leg support columns of the supporting unit, and the other end sequentially passes