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CN-116876366-B - Arch rib closure device, bridge arch rib and steel tube arch bridge

CN116876366BCN 116876366 BCN116876366 BCN 116876366BCN-116876366-B

Abstract

The invention relates to the technical field of bridge engineering, and provides a rib closure device, a bridge rib and a steel pipe arch bridge, which comprises a first chord pipe, a second chord pipe and a sleeve, wherein the sleeve is connected between the first chord pipe and the second chord pipe, a first connecting piece and a second connecting piece which are connected through bolts are arranged in the sleeve, the first connecting piece is connected with the first chord pipe through a first rib plate, the second connecting piece is connected with the second chord pipe through a second rib plate, and one end of the first chord pipe corresponding to the sleeve or one end of the second chord pipe corresponding to the sleeve is closed; in addition, the first string pipe or the second string pipe is used for being closed at one end connected with the sleeve, and after closure, the filling quality of concrete can be improved when the main arch pipe consisting of the first string pipe, the second string pipe and the sleeve is filled with the concrete.

Inventors

  • XU CHUNRONG
  • LIN YU
  • Guo Huiqian
  • Tan Zhongfa

Assignees

  • 中交公路规划设计院有限公司

Dates

Publication Date
20260512
Application Date
20230718

Claims (8)

  1. 1. An arch rib closure device, comprising: the cable winding device comprises a first cable winding pipe (1), a second cable winding pipe (2) and a sleeve (3), wherein the sleeve (3) is connected between the first cable winding pipe (1) and the second cable winding pipe (2), a first connecting piece (11) and a second connecting piece (21) which are connected through bolts are arranged in the sleeve (3), the first connecting piece (11) is connected with the first cable winding pipe (1) through a first rib plate (12), the second connecting piece (21) is connected with the second cable winding pipe (2) through a second rib plate (22), and one end of the first cable winding pipe (1) corresponding to the sleeve (3) or one end of the second cable winding pipe (2) corresponding to the sleeve (3) is closed; The first end of the first rib plate (12) is connected to the inner wall of the first string tube (1), the second end of the first rib plate (12) is connected with a first partition plate (13), the first connecting piece (11) is connected with the first partition plate (13), the first end of the second rib plate (22) is connected to the inner wall of the second string tube (2), the second end of the second rib plate (22) is connected with a second partition plate (23), and the second connecting piece (21) is connected with the second partition plate (23), wherein the cross section of the first partition plate (13) is the same as the cross section of the first string tube (1) and is used for sealing a port of the first string tube (1), or the cross section of the second partition plate (23) is the same as the cross section of the second string tube (2) and is used for sealing a port of the second string tube (2); Still include transition piece (4), transition piece (4) set up first connecting piece (11) with between second connecting piece (21), transition piece (4) respectively with first connecting piece (11) and second connecting piece (21) pass through bolted connection.
  2. 2. Arch rib closure device according to claim 1, characterized in that the first connecting piece (11) and the second connecting piece (21) are provided with a plurality of through holes respectively, the transition connecting piece (4) is evenly provided with a plurality of bolt holes, and the through holes are connected with the bolt holes through bolts.
  3. 3. The arch rib closure device according to claim 1, wherein a plurality of first connecting pieces (11) are provided, the plurality of first connecting pieces (11) are uniformly connected to the first partition plate (13) around the central axis of the sleeve (3), the transition connecting pieces (4) and the second connecting pieces (21) are the same as the first connecting pieces (11) in number and in one-to-one correspondence, and the plurality of first connecting pieces (11) are uniformly connected to the first partition plate (13) around the central axis of the sleeve (3).
  4. 4. A rib closure device according to any one of claims 1-3, wherein a plurality of said first ribs (12) are provided, a plurality of said first ribs (12) being connected circumferentially uniformly in said first chord tube (1), a second end of each of said first ribs (12) being connected to said first partition (13); the second rib plates (22) are arranged in a plurality, the second rib plates (22) are uniformly connected in the second chord tube (2) along the circumferential direction, and the second end of each second rib plate (22) is connected with the second partition plate (23).
  5. 5. Arch rib closure device according to claim 4, characterized in that the side of the first partition (13) facing away from the first connection piece (11) is provided with a first lining tube (14), the outer wall of the first lining tube (14) being connected to each of the first ribs (12); A second lining tube (24) is arranged on one side of the second partition plate (23) away from the second connecting piece (21), and the outer wall of the second lining tube (24) is connected with each second rib plate (22).
  6. 6. A rib closure device according to claim 3, characterized in that the first (11) and second (21) connecting members are i-shaped plates.
  7. 7. A bridge rib comprising a rib closure apparatus as claimed in any one of claims 1 to 6.
  8. 8. A steel tube arch bridge comprising the bridge rib of claim 7.

Description

Arch rib closure device, bridge arch rib and steel tube arch bridge Technical Field The invention relates to the technical field of bridge engineering, in particular to an arch rib closure device, a bridge arch rib and a steel tube arch bridge. Background The common closure of the steel pipe concrete main arch bridge mainly comprises two modes, wherein the first mode is connected through a basket nut, and the second mode is connected by welding steel strips in chord pipes at two sides. The end parts of the left string tube and the right string tube are respectively provided with a flower basket screw rod, then the flower basket screw rods are respectively connected with the flower basket screw rods on the two sides in a screw mode, and the flower basket screw rods are driven to approach or separate by rotating the flower basket screw rods, so that the connection of the left string tube and the right string tube is completed. The problem that the steel lath type connection is welded in the chord tube is that the steel lath cannot be welded in the chord tube in advance, otherwise, the installation of arch rib segments is affected, only after the last segment is hoisted in place and the temperature is stable, welding can be performed, the main arch ring closure is generally performed at night when the temperature is stable, the temperature is not long in a stable time period, the welding quality is not easy to guarantee at night, the danger coefficient is high, and the deformation generated by welding is not easy to correct. Disclosure of Invention The invention provides an arch rib closure device, a bridge arch rib and a steel pipe arch bridge, which are used for solving the defects of complex arch rib closure operation and low efficiency of the steel pipe arch bridge in the prior art. The invention provides an arch rib closure device, which comprises: The cable connector comprises a first cable tube, a second cable tube and a sleeve, wherein the sleeve is connected between the first cable tube and the second cable tube, a first connecting piece and a second connecting piece which are connected through bolts are arranged in the sleeve, the first connecting piece is connected with the first cable tube through a first rib plate, the second connecting piece is connected with the second cable tube through a second rib plate, and one end of the first cable tube corresponding to the sleeve or one end of the second cable tube corresponding to the sleeve is sealed. The arch rib closure device comprises a first rib plate, a second rib plate, a first partition plate, a first connecting piece, a second partition plate and a second connecting piece, wherein the first end of the first rib plate is connected to the inner wall of a first chord tube, the second end of the first rib plate is connected to the first partition plate, the first end of the second rib plate is connected to the inner wall of a second chord tube, the second end of the second rib plate is connected with the second partition plate, the second connecting piece is connected with the second partition plate, the cross section of the first partition plate is the same as the cross section of the first chord tube and is used for sealing a port of the first chord tube, or the cross section of the second partition plate is the same as the cross section of the second chord tube and is used for sealing a port of the second chord tube. The arch rib closure device provided by the invention further comprises a transition connecting piece, wherein the transition connecting piece is arranged between the first connecting piece and the second connecting piece, and the transition connecting piece is connected with the first connecting piece and the second connecting piece through bolts respectively. According to the arch rib closure device provided by the invention, the first connecting piece and the second connecting piece are respectively provided with a plurality of through holes, the transition connecting piece is uniformly provided with a plurality of bolt holes, and the through holes are connected with the bolt holes through bolts. According to the arch rib closure device, the number of the first connecting pieces is the same as that of the first connecting pieces, the first connecting pieces are in one-to-one correspondence with the first connecting pieces, and the first connecting pieces are uniformly connected to the first partition plate around the central axis of the sleeve. According to the arch rib closure device provided by the invention, a plurality of first rib plates are arranged, the plurality of first rib plates are uniformly connected in the first chord tube along the circumferential direction, and the second end of each first rib plate is connected with the first partition plate; the second rib plates are arranged in a plurality, the second rib plates are uniformly connected in the second chord tube along the circumferential direction, and the second