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CN-224227630-U - Steel structure for steel bridge

CN224227630UCN 224227630 UCN224227630 UCN 224227630UCN-224227630-U

Abstract

The utility model belongs to the technical field of steel structures, and particularly relates to a steel structure for a steel bridge, which comprises a first vertical frame and a second vertical frame which are vertically and alternately connected, wherein the first vertical frame and the second vertical frame are two parallel rows, and a bridge is connected above the second vertical frame through a roller set; the bridge frame can transversely translate between two rows of first vertical frames, a dragging mechanism is arranged between the bridge frame and the first vertical frames, the front end and the rear end of the bridge frame are respectively connected with one slope frame through hinge shafts, the flexible stepless transverse translation of the bridge frame is realized through the cooperation of the roller groups and the dragging mechanism, the position of the bridge frame can be quickly adjusted according to actual requirements, the bridge frame is suitable for various use scenes, and the bridge frame is convenient to assemble by adopting a modularized design, so that the engineering period is shortened.

Inventors

  • LIU BINBIN
  • GENG RONGBO
  • YANG HAIJIAN
  • LIU GANG
  • LUO SHUBI
  • ZHONG ZHAOHONG
  • Hui Xiangmeng
  • ZHAO HUI

Assignees

  • 普凯盛科技(南京)有限公司

Dates

Publication Date
20260512
Application Date
20250530

Claims (10)

  1. 1. The steel structure for the steel bridge is characterized by comprising a first vertical frame (1) and a second vertical frame (2) which are vertically and crosswise connected, wherein the first vertical frame and the second vertical frame are two parallel rows, and a bridge frame (3) is connected above the second vertical frame (2) through a roller group (4); The bridge frame (3) can horizontally translate between the two rows of first vertical frames (1), and a dragging mechanism (5) is arranged between the bridge frame (3) and the first vertical frames (1); The front end and the rear end of the bridge frame (3) are respectively connected with a slope frame (6) through hinge shafts.
  2. 2. The steel structure for a steel bridge according to claim 1, wherein the roller set (4) comprises a transverse pressing plate (4 c) and a side vertical plate (4 d) which are vertically connected, and further comprises a longitudinal roller (4 a) and a transverse roller (4 b) with central axes perpendicular to each other, the longitudinal roller (4 a) is arranged below the transverse pressing plate (4 c), the transverse roller (4 b) is arranged outside the side vertical plate (4 d), the outer circular surface of the longitudinal roller (4 a) is abutted against the upper surface of the second vertical frame (2), and the outer circular surface of the transverse roller (4 b) is abutted against the side surface of the second vertical frame (2).
  3. 3. The steel structure for a steel bridge according to claim 1, wherein the dragging mechanism (5) comprises two vertically placed rotating wheels (5 a) arranged on the left side and the right side of the first vertical frame (1), the rotating wheels (5 a) are connected with driving belts (5 b), and the two ends of the opening of each driving belt (5 b) are respectively connected with the left side and the right side of the bridge frame (3).
  4. 4. The steel structure for a steel bridge according to claim 2, wherein the bottoms of the two ends of the bridge frame (3) are respectively connected with an I-beam (3 a), and the two ends of the I-beam (3 a) are exposed out of the two sides of the bridge frame (3) and are fixedly connected to the transverse pressing plates (4 c).
  5. 5. A steel structure for a steel bridge according to claim 1, characterized in that the ramp frame (6) can be turned up and down based on a hinge shaft.
  6. 6. The steel structure for the steel bridge according to claim 1, wherein the bridge frame (3) and the slope frame (6) are provided with a plurality of lattice openings with through upper and lower surfaces.
  7. 7. A steel structure for a steel bridge according to claim 2, characterized in that the roller set (4) is four in rectangular four corner point arrangement.
  8. 8. The steel structure for a steel bridge as claimed in claim 6, wherein the left and right sides of the bridge frame (3) are provided with upright guardrails (7), the guardrails (7) comprise a cross bar (7 a) and a longitudinal bar (7 b) which are connected in an L shape, the cross bar (7 a) is movably inserted into a bar sleeve (7 c) connected to the bottom surface of the bridge frame (3), and the top end of the longitudinal bar (7 b) is connected with a transverse connecting bar (7 d).
  9. 9. A steel structure for a steel bridge according to claim 3, wherein the first stand (1) and the second stand (2) are formed by splicing and assembling steel pipes or steel beams, a plurality of longitudinal diagonal bracing steel pipes or diagonal bracing steel beams are arranged in the two, and the front end and the rear end of the first stand (1) are connected with mounting plates (1 a).
  10. 10. A steel structure for a steel bridge according to claim 3, wherein the tie rods (3 b) are provided at both sides of the bridge frame (3) at the open end of the upper part of the belt (5 b).

Description

Steel structure for steel bridge Technical Field The utility model belongs to the technical field of steel structures, and particularly relates to a steel structure for a steel bridge. Background The steel bridge is widely applied to modern bridge construction due to the advantages of high strength, light dead weight, high construction speed and the like. The traditional steel bridge is generally erected by adopting a fixed structure, the position of a bridge body is not adjustable, and the traditional steel bridge is difficult to adapt to temporary traffic, path switching or scenes needing frequent movement. The existing movable bridge is dependent on an integral hoisting or complex driving mechanism, and has the problems of complex operation, high cost, insufficient stability and the like. In addition, steel bridges, when coping with complex terrains and vehicle boarding and disembarking, may lead to poor safety and comfort of traffic if lacking an effective transitional structure. Disclosure of Invention The utility model aims to provide a steel bridge steel structure with flexible movement and high stability, which realizes a movable bridge through innovative roller group and dragging mechanism design and is suitable for scenes needing to transversely move the bridge, such as temporary passage. In order to achieve the technical purpose, the utility model adopts the following scheme: The steel structure for the steel bridge comprises a first vertical frame and a second vertical frame which are vertically and crosswise connected, wherein the first vertical frame and the second vertical frame are two parallel rows, and a bridge is connected above the second vertical frame through a roller set; the bridge frame can transversely translate between the two rows of first vertical frames, and a dragging mechanism is arranged between the bridge frame and the first vertical frames; The front end and the rear end of the bridge are respectively connected with a slope frame through hinge shafts. Further, the roller set comprises a transverse pressing plate and a side vertical plate which are vertically connected, and further comprises a longitudinal roller and a transverse roller, wherein the central axis of the longitudinal roller is vertical to the central axis of the longitudinal roller, the longitudinal roller is arranged below the transverse pressing plate, the transverse roller is arranged on the outer side of the side vertical plate, the outer circle surface of the longitudinal roller is abutted to the upper surface of the second vertical frame, and the outer circle surface of the transverse roller is abutted to the side surface of the second vertical frame. Further, the dragging mechanism comprises two vertically placed rotating wheels arranged on the left side and the right side of the first vertical frame, the rotating wheels are connected with a driving belt, and the two ends of an opening of the driving belt are respectively connected with the left side and the right side of the bridge frame. Further, the bottoms of the two ends of the bridge are respectively connected with an I-beam, and the two ends of the I-beam are exposed out of the two sides of the bridge and are fixedly connected onto the transverse pressing plates. Further, the ramp frame may be flipped up and down based on a hinge shaft. Further, the bridge frame and the slope frame are provided with a plurality of grid openings with through upper and lower surfaces. Further, the roller groups are four rectangular four-corner point positions. Further, the left side and the right side of the bridge are provided with guardrails which are erected upwards, each guardrail comprises a transverse rod and a longitudinal rod which are connected in an L shape, each transverse rod is movably inserted into a rod sleeve connected to the bottom surface of the bridge, and the top end of each longitudinal rod is connected with a transverse connecting rod. Further, the first vertical frame and the second vertical frame are formed by splicing and assembling steel pipes or steel beams, a plurality of longitudinal diagonal bracing steel pipes or diagonal bracing steel beams are arranged in the first vertical frame and the second vertical frame, and the front end and the rear end of the first vertical frame are connected with mounting plates. Further, the opening end of the upper part of the driving belt is connected with pull rods arranged on the left side and the right side of the bridge frame at equal height. The main beneficial effects generated by adopting the technical scheme are as follows: The steel structure for the steel bridge realizes flexible stepless transverse translation of the bridge frame through the cooperation of the roller groups and the dragging mechanism, can quickly adjust the position of the bridge frame according to actual requirements, is suitable for various use scenes, is convenient to assemble by adopting a modularized design, and shorte