Bridge compression-resistant reinforcing structure

Abstract

The utility model discloses a bridge compression-resistant reinforcing structure, which relates to the technical field of bridge engineering reinforcement, and comprises a bridge body, chord members are arranged at two ends of the bridge body, a reinforcing component is arranged below the bridge body, and the reinforcing component is positioned between the two chord members. The reinforcing assembly comprises a positioning bottom plate and reinforcing parts, the reinforcing parts are located at the lower ends of the two sides of the positioning bottom plate, the reinforcing parts are arranged at the upper end of the positioning bottom plate, the multiple reinforcing parts are arranged, and the multiple moving grooves are formed in the upper surface of the positioning bottom plate. According to the scheme, the problems that most of existing steel structure bridges are subjected to extrusion and fixation through a large-area extrusion plate at the bottom, the increased cross section is difficult to adapt to the curved surface geometric characteristics of a slightly-bent plate, interface stripping or stress concentration is easily caused, the reinforcing area is large, a large number of materials are used, the input cost is high, local reinforcing adjustment is not easy to carry out, and flexibility is poor are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge engineering reinforcing technique field, concretely is a bridge compression -resistant reinforcing structure. BACKGROUND

[0002] Steel structure bridge reinforcing refers to reinforcing treatment to the existing steel structure bridge to improve its bearing capacity, prolong service life or restore its structural stability;

[0003] For example, the Chinese authorized patent (a steel structure bridge reinforcing device) with the announcement number CN220318395U: the cooperation between the first reinforcing device, reinforcing right angle steel, second reinforcing device and support steel column, the lower end of support steel column is fixedly connected with bottom steel sleeve through two groups of first reinforcing bolt and second reinforcing bolt, and the top steel sleeve is sleeved on the upper end of support steel column, receives the pressure of steel bridge and makes the top steel sleeve and support steel column connection stable, and the inclined support column is fixedly connected with steel bridge through locking mechanism, the contact area of second reinforcing device and steel bridge is improved through support top plate and support steel plate, the first reinforcing device and second reinforcing device increase the integrity through reinforcing right angle steel, thereby the overall stability of steel bridge is improved, thereby the service life of steel bridge is improved, the maintenance cost of steel bridge is reduced, and the anti-overturning of steel bridge is improved.

[0004] However, most of the existing steel structure bridge reinforcing is large-area extrusion plate at the bottom for extrusion fixing, which increases the section and is difficult to adapt to the curved surface geometric characteristics of the micro-bending plate, easily leading to interface peeling or stress concentration, large reinforcing area, more materials, leading to high investment cost, and it is not easy to carry out local reinforcing adjustment, poor flexibility, therefore, it does not meet the existing demand, for this, we propose a bridge compression -resistant reinforcing structure. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a bridge compression -resistant reinforcing structure to solve the problem that most of the steel structure bridge reinforcing in the above background technology is large-area extrusion plate at the bottom for extrusion fixing, which increases the section and is difficult to adapt to the curved surface geometric characteristics of the micro-bending plate, easily leading to interface peeling or stress concentration, large reinforcing area, more materials, leading to high investment cost, and it is not easy to carry out local reinforcing adjustment, poor flexibility.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a bridge compression -resistant reinforcing structure, include: bridge body, both ends of bridge body are provided with chord, the below of bridge body is provided with reinforcing component, and reinforcing component is located between two chords, reinforcing component includes positioning bottom plate and reinforcing portion, and reinforcing portion is located in both sides lower end of positioning bottom plate, the upper end of positioning bottom plate is provided with reinforcing portion, and reinforcing portion is provided with several, the upper surface of positioning bottom plate is provided with moving groove, moving groove is provided with several, and moving groove transversely penetrates positioning bottom plate, and reinforcing portion moves along positioning bottom plate.

[0007] Preferably, the reinforcing portion includes a reinforcing plate and a support frame, the support frame is welded to the lower surface of the reinforcing plate, and the top surface of the reinforcing plate is processed according to the curvature of the lower surface of the bridge body, so that the upper surface of the reinforcing plate closely adheres to the lower surface of the bridge body.

[0008] Preferably, the reinforcing portion further includes a limiting seat, and the limiting seat is located at the bottom end of the support frame, the lower end of the moving groove is provided with a limiting groove, and the support frame and the limiting seat are respectively moved along the moving groove and the limiting groove.

[0009] Preferably, the reinforcing portion includes a reinforcing base, and the upper surface of the reinforcing base is welded and fixed to the lower surface of the positioning bottom plate, and the center part of the reinforcing base is triangular, and both ends have outwardly extending fixed edges.

[0010] Preferably, the surfaces of the fixed edges at both ends of the reinforcing base are provided with first fixing holes, one end of the first fixing hole is provided with a first fastener, and one end of the first fastener penetrates the first fixing hole and is fixed to the chord.

[0011] Preferably, the reinforcing portion further includes a stabilizing side plate, and the stabilizing side plate is located at the front and rear ends of the reinforcing base and is welded and fixed to the reinforcing base and the positioning bottom plate.

[0012] Preferably, the surface of the stabilizing side plate is provided with a second fixing hole, one end of the second fixing hole is provided with a second fastener, and one end of the second fastener penetrates the second fixing hole and is fixed to the chord.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] (1), the utility model discloses a reinforcing assembly is provided at the lower end of the bridge body, and the reinforcing assembly is composed of a positioning base plate, a reinforcing part and a reinforcing part assembly, when reinforcing, the support frame and the limiting seat are moved along the moving groove and the limiting groove respectively, the limiting seat prevents the support frame from falling over, improves the stability of the support frame, realizes the connection between the reinforcing part and the positioning base plate, adjusts the installation quantity and position of the reinforcing part according to the position and reinforcing area, reinforces the bridge body by the reinforcing part, and the reinforcing assembly of the adjusting form replaces the existing full-area covering form, so that the bottom surface of the bridge body does not need to be fully covered, cost investment is reduced, targeted and modularized reinforcement is realized, flexibility is improved, and the problems that most of the existing steel structure bridge reinforcement is carried out by extruding and fixing large-area extruding plates at the bottom, the cross section is difficult to adapt to the curved surface geometry characteristics of the micro-bending plate, the interface is easy to peel or stress concentrated, the reinforcing area is large, material is much, input cost is high, and local reinforcement adjustment is not easy and flexibility is poor are solved.

[0015] (2), the front end and rear end of the reinforcing base are provided with stable side plates, after the reinforcing base is fixed, one end of the second fastener passes through the second fixed hole and is fixed with the chord, the stable side plates are fixed with the chord, the strength and stability of the reinforcing base support are improved, the stability of the positioning base plate is further improved, the positioning base plate is not easy to fall off, and the reinforcing effect of the steel structure bridge is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure schematic view of the utility model;

[0017] Figure 2 It is the reinforcing assembly structure schematic view of the utility model;

[0018] Figure 3 It is the split structure schematic view of the positioning base plate and the reinforcing part of the utility model;

[0019] Figure 4 It is the split structure schematic view of the reinforcing base and the stable side plate of the utility model;

[0020] In the drawing: 1, bridge body; 2, chord; 3, reinforcing assembly; 4, positioning base plate; 5, reinforcing part; 6, reinforcing plate; 7, moving groove; 8, limiting groove; 9, limiting seat; 10, reinforcing part; 11, reinforcing base; 12, first fixed hole; 13, first fastener; 14, stable side plate; 15, second fastener; 16, support frame; 17, second fixed hole. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0022] Referring to Figures 1-4 The utility model provides a kind of embodiment provided by the utility model: a bridge compression reinforcement structure, comprising: bridge body 1, the both ends of bridge body 1 are provided with chord 2, the below of bridge body 1 is provided with reinforcing assembly 3, and reinforcing assembly 3 is located between two chords 2, reinforcing assembly 3 includes positioning bottom plate 4 and reinforcing portion 10, and reinforcing portion 10 is located the both sides lower end of positioning bottom plate 4, the upper end of positioning bottom plate 4 is provided with reinforcing portion 5, and reinforcing portion 5 is provided with several, the upper surface of positioning bottom plate 4 is provided with moving groove 7, moving groove 7 is provided with several, and moving groove 7 transversely penetrates positioning bottom plate 4, and reinforcing portion 5 moves along positioning bottom plate 4, reinforcing portion 5 includes reinforcing plate 6 and support frame 16, and support frame 16 is welded in the lower surface of reinforcing plate 6, and the top end surface of reinforcing plate 6 is processed according to the camber of bridge body 1 lower surface, so that reinforcing plate 6 upper surface is tightly attached to bridge body 1 lower surface, reinforcing portion 5 also includes limit seat 9, and limit seat 9 is located the bottom end of support frame 16, the lower end of moving groove 7 is provided with limit groove 8, and support frame 16 and limit seat 9 respectively along moving groove 7 and limit groove 8 move, reinforcing portion 10 includes reinforcing base 11, and the upper surface of reinforcing base 11 is welded fixed with the lower surface of positioning bottom plate 4, and reinforcing base 11 central part is triangle, and both ends have outwardly extending fixed edge, the surface of the fixed edge of both ends of reinforcing base 11 is provided with first fixed hole 12, and one end of first fixed hole 12 is provided with first fastener 13, and one end of first fastener 13 passes through first fixed hole 12 and is fixed with chord 2, support frame 16 is inserted along moving groove 7, and support frame 16 and limit seat 9 respectively along moving groove 7 and limit groove 8 move, limit seat 9 plays the effect of preventing support frame 16 from toppling over, improves the stability of support frame 16, realizes the connection of reinforcing portion 5 and positioning bottom plate 4, adjusts the installation quantity and position of reinforcing portion 5 according to the position and reinforcing area of need reinforcing, and the top end surface of reinforcing plate 6 is processed according to the camber of bridge body 1 lower surface, so that reinforcing plate 6 upper surface is tightly attached to bridge body 1 lower surface;

[0023] Then one end of first fastener 13 passes through first fixed hole 12 and is fixed with chord 2, reinforcing base 11 is fixed, which plays the effect of supporting and strengthening positioning bottom plate 4, prevents positioning bottom plate 4 from falling, realizes the support of reinforcing portion 5, reinforcing plate 6 is extruded and reinforced to the lower end of bridge body 1, the reinforcing assembly of adjusting form replaces the existing full-area covering form, so that bridge body 1 bottom surface does not need to be fully covered, cost investment is reduced, targeted and modular reinforcement is realized, and flexibility is improved.

[0024] Referring to Figure 1 , 2, 4, the reinforcing part 10 further comprises a stabilizing side plate 14, and the stabilizing side plate 14 is located at the front and rear ends of the reinforcing base 11 and is welded and fixed with the reinforcing base 11 and the positioning bottom plate 4, the surface of the stabilizing side plate 14 is provided with a second fixing hole 17, one end of the second fixing hole 17 is provided with a second fastener 15, and one end of the second fastener 15 is fixed with the chord 2 through the second fixing hole 17, after the reinforcing base 11 is installed, the stabilizing side plate 14 is fixed with the chord 2 through one end of the second fastener 15 passing through the second fixing hole 17, the strength and stability of the reinforcing base 11 are improved, that is, the stability of the positioning bottom plate 4 is further improved, the phenomenon of loosening of the reinforcing assembly 3 is not prone to occur, and the reinforcing effect of the steel structure bridge is guaranteed.

[0025] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A compression-resistant reinforcement structure for a bridge, comprising a bridge body (1), characterized in that: The bridge body (1) is provided with chord bars (2) at both ends, a reinforcing assembly (3) is arranged below the bridge body (1) and is located between the two chord bars (2), the reinforcing assembly (3) comprises a positioning bottom plate (4) and a reinforcing part (10), the reinforcing part (10) is located at the lower ends of both sides of the positioning bottom plate (4), the upper end of the positioning bottom plate (4) is provided with reinforcing parts (5), the reinforcing parts (5) are provided in plurality, the upper surface of the positioning bottom plate (4) is provided with moving grooves (7), the moving grooves (7) are provided in plurality, the moving grooves (7) are transversely arranged through the positioning bottom plate (4), and the reinforcing parts (5) are movable along the positioning bottom plate (4).

2. The compression-resistant bridge reinforcement structure of claim 1, wherein: The reinforcing part (5) comprises a reinforcing plate (6) and a support frame (16), the support frame (16) is welded to the lower surface of the reinforcing plate (6), and the top end surface of the reinforcing plate (6) is processed according to the curvature of the lower surface of the bridge body (1), so that the upper surface of the reinforcing plate (6) is tightly attached to the lower surface of the bridge body (1).

3. A compression resistant bridge reinforcement structure according to claim 2, wherein: The reinforcing part (5) further comprises a limiting seat (9), and the limiting seat (9) is located at the bottom end of the support frame (16), the lower end of the moving groove (7) is provided with a limiting groove (8), and the support frame (16) and the limiting seat (9) are movable along the moving groove (7) and the limiting groove (8) respectively.

4. The compression-resistant bridge reinforcement structure of claim 1, wherein: The reinforcing part (10) comprises a reinforcing base (11), the upper surface of the reinforcing base (11) is welded and fixed to the lower surface of the positioning bottom plate (4), and the central part of the reinforcing base (11) is triangular, and both ends have outwardly extending fixed edges.

5. A compression resistant bridge reinforcement structure according to claim 4, wherein: The surface of the fixed edge of the reinforcing base (11) is provided with a first fixing hole (12), one end of the first fixing hole (12) is provided with a first fastener (13), and one end of the first fastener (13) penetrates through the first fixing hole (12) and is fixed to the chord bar (2).

6. The compression-resistant bridge reinforcement structure of claim 4, wherein: The reinforcing part (10) further comprises a stabilizing side plate (14), and the stabilizing side plate (14) is located at the front and rear ends of the reinforcing base (11) and is welded and fixed to the reinforcing base (11) and the positioning bottom plate (4).

7. A compression resistant bridge reinforcement structure according to claim 6, wherein: The surface of the stabilizing side plate (14) is provided with a second fixing hole (17), one end of the second fixing hole (17) is provided with a second fastener (15), and one end of the second fastener (15) penetrates through the second fixing hole (17) and is fixed to the chord bar (2).

Images