CN220117043U - Bridge prestressing force reinforced structure - Google Patents

Abstract

The utility model discloses a bridge prestress reinforcing structure, which comprises bridge plates, bridge piers and supporting mechanisms, wherein the middle part of the lower end of each bridge plate is fixedly connected with a top plate, the middle parts of two sides of each top plate are respectively provided with a fixed groove, each bridge pier is provided with two bridge piers which are symmetrically and fixedly connected to two sides of the lower end of each bridge plate, and each supporting mechanism is arranged between the two bridge piers; the supporting mechanism comprises two first supporting plates, wherein the two first supporting plates are obliquely and fixedly connected to the pier on the same side, and clamping blocks are fixedly connected to the upper ends of the two first supporting plates, and the supporting mechanism has the beneficial effects that: according to the bridge girder, the supporting mechanism is arranged between the two piers and is supported on the top plate at the lower end of the bridge girder, and when the bridge girder is installed, the two first supporting plates and the first connecting plates of the supporting mechanism are fixed on the piers, and the top plate is clamped by the upper ends of the two first supporting plates through the clamping blocks, so that the middle part of the bridge girder is supported, the prestress of the bridge girder is enhanced, and the bearing capacity of the bridge girder, namely the bridge girder is improved.

Description

Bridge prestressing force reinforced structure

Technical Field

The utility model relates to the technical field of bridge protection, in particular to a bridge prestress reinforcing structure.

Background

The prestressed bridge is a bridge constructed with a prestressed structure. In order to compensate for the phenomenon that the concrete is cracked in advance, pre-stressing is carried out on the concrete in advance before the component is used, namely, the steel bars are tensioned in a concrete tension area by using a manual stressing method, and the retraction force of the steel bars is utilized to lead the concrete tension area to be stressed in advance.

However, as the service life of the bridge increases, the prestress tension of the bridge gradually decreases, which results in the decrease of the strength of the bridge, so that the bearing capacity of the bridge gradually decreases.

Disclosure of Invention

The utility model aims to provide a bridge prestress reinforcement structure for solving the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the bridge prestress reinforcing structure comprises bridge plates, bridge piers and supporting mechanisms, wherein the middle part of the lower end of each bridge plate is fixedly connected with a top plate, fixing grooves are formed in the middle parts of two sides of each top plate, two bridge piers are symmetrically and fixedly connected to two sides of the lower end of each bridge plate, and each supporting mechanism is arranged between two bridge piers;

the supporting mechanism comprises two first supporting plates, the two first supporting plates are all obliquely and fixedly connected to the pier on the same side, the two upper ends of the first supporting plates are fixedly connected with clamping blocks, the two clamping blocks are respectively clamped in fixing grooves on two sides of the top plate, the two first supporting plates are close to one side, the middle part of each first supporting plate is fixedly connected with a second connecting plate in a common mode, the upper ends of the second connecting plates are fixedly connected with second supporting plates, clamping grooves are formed in two sides of the second connecting plates, the two sides of the second connecting plates are clamped on the first supporting plates on the same side through the clamping grooves, and the upper ends of the second supporting plates are propped against the lower ends of the top plate.

Preferably, the two first support plates are kept away from each other and are fixedly connected with first connecting plates at the upper ends of one sides, and the two first connecting plates are kept away from one ends of the first support plates and are fixedly connected with bridge piers at the same side.

Preferably, the lower ends of the two first support plates, which are close to one side, are fixedly connected with bottom blocks, and the upper ends of the two bottom blocks respectively support against two sides of the lower end of the second connecting plate.

Preferably, the second support plate is in a V-shaped structure and has an opening facing downwards, and the second support plate, the top plate and the second connecting plate are located on the same central line.

Preferably, the two clamping blocks are of L-shaped structures, the vertical parts of the two clamping blocks are inserted into the fixing grooves, and the horizontal parts of the two clamping blocks are propped against the lower end of the top plate.

Compared with the prior art, the utility model has the beneficial effects that: according to the bridge girder, the supporting mechanism is arranged between the two piers and is supported on the top plate at the lower end of the bridge girder, and when the bridge girder is installed, the two first supporting plates and the first connecting plates of the supporting mechanism are fixed on the piers, and the top plate is clamped by the upper ends of the two first supporting plates through the clamping blocks, so that the middle part of the bridge girder is supported, the prestress of the bridge girder is enhanced, and the bearing capacity of the bridge girder, namely the bridge girder is improved.

Drawings

FIG. 1 is a schematic view of a cut-away structure of the present utility model;

FIG. 2 is a schematic view of the installation structure of the top plate on two clamping blocks according to the utility model;

FIG. 3 is a schematic view of the external structure of the present utility model;

fig. 4 is a schematic diagram of a second connecting plate structure according to the present utility model.

In the figure: 1. a bridge plate; 2. bridge piers; 3. a support mechanism; 31. a first support plate; 32. a clamping block; 33. a first connection plate; 34. a bottom block; 35. a second connecting plate; 36. a second support plate; 37. a clamping groove; 4. a top plate; 5. a fixing groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a bridge prestressing force reinforced structure, includes bridge deck 1, pier 2 and supporting mechanism 3, and the lower extreme middle part fixedly connected with roof 4 of bridge deck 1, fixed slot 5 has all been seted up at roof 4's both sides middle part, and pier 2 is equipped with two and symmetrical fixed connection in bridge deck 1's lower extreme both sides, and supporting mechanism 3 installs between two piers 2; the supporting mechanism 3 comprises two first supporting plates 31, the two first supporting plates 31 are obliquely and fixedly connected to the pier 2 on the same side, clamping blocks 32 are fixedly connected to the upper ends of the two first supporting plates 31, the two clamping blocks 32 are respectively clamped in the fixing grooves 5 on the two sides of the top plate 4, the two first supporting plates 31 are close to one middle part and fixedly connected with a second connecting plate 35, the upper ends of the second connecting plates 35 are fixedly connected with a second supporting plate 36, clamping grooves 37 are formed in the two sides of the second connecting plates 35, the two sides of the second connecting plates 35 are clamped on the first supporting plates 31 on the same side through the clamping grooves 37, the upper ends of the second supporting plates 36 are abutted to the lower ends of the top plate 4, and when the bridge plate 1 is used, the middle part of the top plate 4, namely the bridge plate 1, is supported through the supporting mechanism 3, and the prestress of the bridge plate 1 is enhanced.

The second backup pad 36 is V-arrangement structure and opening down, second backup pad 36 and roof 4 and second connecting plate 35 are located same central line, be convenient for support the middle part of roof 4 and bridge board 1 through second backup pad 36, two fixture blocks 32 all are L-shaped structure, the vertical part of two fixture blocks 32 is all inserted in fixed slot 5, the horizontal part of two fixture blocks 32 all supports the lower extreme at roof 4, be convenient for with fixture block 32 card on roof 4, two first backup pads 31 keep away from the equal fixedly connected with first connecting plate 33 of one side mutually, two first connecting plate 33 keep away from the equal fixedly connected with of one end of first backup pad 31 in same side pier 2, be convenient for fix the upper end of first backup pad 31, two first backup pad 31 are close to the equal fixedly connected with bottom block 34 of one side mutually, the upper end of two bottom blocks 34 supports the lower extreme both sides at second connecting plate 35 respectively, be convenient for support the both sides of second connecting plate 35, alleviate the load that second connecting plate 35 and first backup pad 31 meet the department.

Specifically, when the utility model is used, the top plate 4 is fixed at the middle part of the lower end of the bridge plate 1, the clamping block 32 is clamped in the fixing groove 5 on the top plate 4, at the moment, the lower end of the first supporting plate 31 and one side of the first connecting plate 33, which is far away from the first supporting plate 31, are propped against the bridge pier 2 and fixed, at the moment, the first supporting plate 31 props against the side surface of the top plate 4 through the clamping block 32, the second connecting plate 35 props against the middle part of the top plate 4 through the second supporting plate 36, further props against the middle part of the bridge plate 1, an upward tension is applied to the bridge plate 1, and when a vehicle runs on the bridge plate 1, the supporting mechanism 3 props against the middle part of the bridge plate 1, so that the load born by the middle part of the bridge plate 1 is reduced.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The bridge prestress reinforcing structure is characterized by comprising a bridge plate (1), bridge piers (2) and supporting mechanisms (3), wherein a top plate (4) is fixedly connected to the middle part of the lower end of the bridge plate (1), fixing grooves (5) are formed in the middle parts of two sides of the top plate (4), the bridge piers (2) are provided with two symmetrically and fixedly connected to the two sides of the lower end of the bridge plate (1), and the supporting mechanisms (3) are installed between the two bridge piers (2);

supporting mechanism (3) are including two first backup pad (31), two equal slope fixed connection of first backup pad (31) is on homonymy pier (2), two equal fixedly connected with fixture block (32) of upper end of first backup pad (31), two fixture block (32) joint respectively in fixed slot (5) of roof (4) both sides, two first backup pad (31) are close to one side middle part joint fixedly connected with second connecting plate (35) mutually, the upper end fixedly connected with second backup pad (36) of second connecting plate (35), draw-in groove (37) have all been seted up to the both sides of second connecting plate (35), the both sides of second connecting plate (35) are all through draw-in groove (37) card on homonymy first backup pad (31), the upper end of second backup pad (36) supports the lower extreme in roof (4).

2. The bridge pre-stressing reinforcement structure according to claim 1, characterized in that: two the first backup pad (31) keep away from one side upper end mutually and all fixedly connected with first connecting plate (33), two the one end that first backup pad (31) was kept away from to first connecting plate (33) all fixedly connected with on homonymy pier (2).

3. The bridge pre-stressing reinforcement structure according to claim 1, characterized in that: bottom blocks (34) are fixedly connected to the lower ends of the two first support plates (31) close to one side, and the upper ends of the two bottom blocks (34) respectively prop against the two sides of the lower end of the second connecting plate (35).

4. The bridge pre-stressing reinforcement structure according to claim 1, characterized in that: the second supporting plate (36) is of a V-shaped structure, the opening of the second supporting plate faces downwards, and the second supporting plate (36), the top plate (4) and the second connecting plate (35) are located on the same central line.

5. The bridge pre-stressing reinforcement structure according to claim 1, characterized in that: the two clamping blocks (32) are of L-shaped structures, vertical parts of the two clamping blocks (32) are inserted into the fixed grooves (5), and horizontal parts of the two clamping blocks (32) are propped against the lower end of the top plate (4).