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CN-224213113-U - Simple assembly type bridge bearing truss

CN224213113UCN 224213113 UCN224213113 UCN 224213113UCN-224213113-U

Abstract

The utility model discloses an assembled bridge bearing truss with simple disassembly and assembly, which belongs to the technical field of bridge trusses and comprises lower chords and upper chords, wherein the lower chords are arranged on two sides of a bridge in parallel, the upper chords are horizontally arranged at the top of the lower chords, sliding sleeves are slidably arranged on the upper chords, second cross bars are fixed between the sliding sleeves at the opposite positions of the two groups of upper chords, a splicing locking mechanism is arranged between the sliding sleeves and the upper chords, V-shaped inclined rods are fixed at the bottom ends of the sliding sleeves, and a reinforcing mechanism is arranged between the bottom ends of the V-shaped inclined rods and the lower chords. According to the utility model, the bearing parts consisting of the sliding sleeve, the second cross rod and the V-shaped diagonal rods can simultaneously support the upper strings on two sides of the bridge, and the position of the bearing parts and the upper strings can be quickly fixed by utilizing the plug-in locking mechanism consisting of the T-shaped plug rod, the first positioning hole and the second positioning hole, so that the bearing parts are more convenient and quicker to install.

Inventors

  • PEI LIUJUN
  • MENG XINMING
  • YANG PEIJIN
  • LIANG SHIYU
  • LIU BINGYANG
  • PAN JIANJUN
  • LI MINGHUA

Assignees

  • 威海水利工程集团有限公司

Dates

Publication Date
20260508
Application Date
20250606

Claims (7)

  1. 1. The assembled bridge bearing truss with the simple disassembly and assembly comprises lower chords (1) and upper chords (2), and is characterized in that the lower chords (1) are arranged on two sides of a bridge in parallel, the upper chords (2) are horizontally arranged at the top of the lower chords (1), sliding sleeves (3) are slidably arranged on the upper chords (2), a second cross rod (4) is fixedly arranged between the sliding sleeves (3) at the opposite positions of the two groups of upper chords (2), and an inserting locking mechanism (5) is arranged between the sliding sleeves (3) and the upper chords (2); The bottom ends of the sliding sleeves (3) are all fixed with V-shaped inclined rods (6), and a reinforcing mechanism (7) is arranged between the bottom ends of the V-shaped inclined rods (6) and the lower chord (1).
  2. 2. The assembled bridge girder of claim 1, wherein the first cross bars (101) are uniformly fixed between the two groups of lower chords (1) through bolts, and the first cross bars (101) are parallel to each other.
  3. 3. The assembled bridge bearing truss with easy disassembly and assembly according to claim 1, wherein the plugging locking mechanism (5) comprises a T-shaped inserted rod (501), a first positioning hole (502) and a second positioning hole (503), the first positioning hole (502) is formed in the top of the sliding sleeve (3), the second positioning hole (503) matched with the first positioning hole (502) is uniformly formed in the upper chord (2), and the T-shaped inserted rod (501) is plugged into the first positioning hole (502) and the second positioning hole (503).
  4. 4. The assembled bridge girder of claim 3, wherein the T-shaped inserted bars (501) are provided with screws at both ends, and threaded holes are provided at both ends of the top of the sliding sleeve (3).
  5. 5. The assembled bridge bearing truss with easy disassembly and assembly as claimed in claim 1, wherein the reinforcing mechanism (7) comprises a base (701), an inserting hole (702), an inserting block (703), a first through hole (704), a transverse bolt (705) and a second through hole (706), the base (701) is fixed at the top of the lower chord (1), the inserting hole (702) is formed in the top of the base (701), the inserting block (703) is fixed at the bottom end of the V-shaped inclined rod (6), the inserting block (703) is inserted into the inserting hole (702), the first through holes (704) are formed in two ends of the base (701), the second through holes (706) matched with the first through holes (704) are formed in the inserting block (703), and the transverse bolt (705) is inserted into the second through holes (706) and the first through holes (704).
  6. 6. The assembled bridge girder according to claim 5, wherein the longitudinal bolts (707) are installed at positions corresponding to the sides of the insertion blocks (703) on the sides of the base (701), and the ends of the insertion blocks (703) are attached to the end surfaces of the insertion holes (702).
  7. 7. The assembled bridge girder as claimed in claim 5, wherein the insert blocks (703) are rectangular in shape, and both ends of the bottom of the insert blocks (703) are provided with arc-shaped chamfers.

Description

Simple assembly type bridge bearing truss Technical Field The utility model relates to a matched bridge bearing truss, in particular to an assembled bridge bearing truss with simple disassembly and assembly, and belongs to the technical field of bridge trusses. Background At present, in the installation process of a bridge truss, high-strength bolts are adopted for fixing chords, web members and supports, although the high-strength bolts have higher stability, the assembly process needs longer time, and the disassembly is more inconvenient, if an assembled bridge load-bearing truss disclosed in the patent with the publication number of CN213867294U is adopted, the assembly can be quickly carried out in an inserting mode, but only the upper chords and the lower chords can be inserted, the chords on two sides of the bridge cannot be quickly assembled, in addition, the load-bearing assemblies formed by adjacent chords are mutually separated, the connection relationship cannot be formed, and the stability of the support is affected; The assembled bridge bearing truss with simple disassembly and assembly is designed for optimizing the problems. Disclosure of Invention The utility model mainly aims to provide an assembled bridge bearing truss which is easy to disassemble and assemble so as to solve the problems in the background art. The aim of the utility model can be achieved by adopting the following technical scheme: the assembled bridge load bearing truss with easy disassembly and assembly comprises a lower chord and an upper chord, wherein the lower chord is arranged on two sides of a bridge in parallel, the top of the lower chord is horizontally provided with the upper chord, sliding sleeves are arranged on the upper chord in a sliding manner, a second cross rod is fixed between the sliding sleeves at the opposite positions of the two groups of upper chords, and a splicing locking mechanism is arranged between the sliding sleeves and the upper chord; The bottom of sliding sleeve all is fixed with V-arrangement diagonal bar, is equipped with strengthening mechanism between the bottom of V-arrangement diagonal bar and the lower chord. Preferably, the first cross bars are uniformly fixed between the two groups of lower chords through bolts, and the first cross bars are parallel to each other. Preferably, the plug-in locking mechanism comprises a T-shaped plug rod, a first positioning hole and a second positioning hole, the first positioning hole is formed in the top of the sliding sleeve, the second positioning hole matched with the first positioning hole is uniformly formed in the upper chord, and the T-shaped plug rod is inserted into the first positioning hole and the second positioning hole. Preferably, screws are arranged at two ends of the T-shaped inserted rod, and threaded holes are formed at two ends of the top of the sliding sleeve. Preferably, the reinforcing mechanism comprises a base, jacks, plug blocks, first through holes, transverse bolts and second through holes, wherein the base is fixed at the top of the lower chord, the jacks are formed in the top of the base, the plug blocks are fixed at the bottom ends of the V-shaped diagonal rods and are plugged into the jacks, the first through holes are formed in two ends of the base, the second through holes matched with the first through holes are formed in the plug blocks, and the transverse bolts are plugged into the second through holes and the first through holes. Preferably, longitudinal bolts are arranged at positions of the side edges of the base corresponding to the side edges of the inserting blocks, and the end parts of the inserting blocks are attached to the end faces of the inserting holes. Preferably, the shape of the insert block is rectangular, and both ends of the bottom of the insert block are provided with arc-shaped chamfers. Compared with the prior art, the utility model has the beneficial effects that: 1. According to the utility model, the bearing parts consisting of the sliding sleeve, the second cross rod and the V-shaped diagonal rods can simultaneously support the upper strings on two sides of the bridge, and the position of the bearing parts and the upper strings can be quickly fixed by utilizing the plug-in locking mechanism consisting of the T-shaped plug rod, the first positioning hole and the second positioning hole, so that the bearing parts are more convenient and quicker to install. 2. According to the utility model, the base, the jack, the first through hole, the transverse bolt, the longitudinal bolt, the insert block and the reinforcing mechanism formed by the second through hole are arranged at the top of the lower chord, so that the bottom end of the bearing piece can be stably limited, and meanwhile, adjacent bearing pieces can be connected, and the support stability in use is improved. Drawings FIG. 1 is a front view of the present utility model; FIG. 2 is a view of a load bearing member of the present util