Prestress reinforcing device of connecting part for widening T-beam bridge

By using the No. 1 and No. 2 support frames in conjunction with the fixed frame at the splicing connection of the T-beam bridge, the problems of laborious installation and easy loosening of expansion bolts were solved, achieving more labor-saving installation and higher safety.

CN223853206UActive Publication Date: 2026-01-30GUIZHOU BRIDGE CONSTR GROUP
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Patent Information

Application Number
CN202520004560.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-02
Publication Date
2026-01-30
Estimated Expiration
2035-01-02

AI Technical Summary

Technical Problem

During the reinforcement of the widening connection of the T-beam bridge, the existing expansion bolts are difficult to install and are prone to loosening, posing a safety hazard.

Method used

The No. 1 and No. 2 support frames are used in conjunction with the fixed frame and are fixed to the T-beam with expansion bolts. The support frames are installed by sliding and automatically locked to prevent the expansion bolts from falling off.

Benefits of technology

This improved the ease of installation and safety of use of the reinforcement device, prevented the expansion bolts from loosening and falling off, and enhanced the stability of the bridge.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a prestress reinforcing device of a connecting part for widening a T-beam bridge, and relates to the technical field of bridge structure construction. The outer sides of the two T-shaped beams are each provided with a fixing frame through expansion screws. A first supporting frame is installed on the outer side of the fixed frame located on the left side. A second supporting frame is installed on the outer side of the fixed frame located on the right side. Two reinforcing plates are symmetrically installed on the front side and the rear side of the first supporting frame and the front side and the rear side of the second supporting frame. And two locking bolts are mounted at the left ends and the right ends of the two reinforcing plates. According to the device, more labor is saved during installation, the first supporting frame and the second supporting frame can tightly abut against expansion screws, the falling condition is avoided, and the use safety is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bridge structure construction technical field especially, it is a kind of prestressed reinforcement device for the connecting part of T beam bridge splicing width. BACKGROUND

[0002] In order to improve the traffic capacity and carrying capacity of bridge, splicing width reinforcement to bridge has become a common practice, and the reinforcement of the connecting part of T beam bridge splicing width is particularly important.

[0003] At present, when reinforcing the T beam bridge splicing width, more expansion screws are needed to install the reinforcing device, which is laborious to operate, and the expansion screws of the reinforcing device are prone to loosen and fall off during long-term use of the bridge, which poses a safety hazard. SUMMARY

[0004] The utility model provides a kind of prestressed reinforcement device for the connecting part of T beam bridge splicing width, it is more labor-saving to operate when installing, and the expansion screw can be tightly pressed by the first support frame and the second support frame, to avoid the situation of falling off, improve the use safety.

[0005] The first aspect of the present disclosure provides a prestressed reinforcement device for the connecting part of T beam bridge splicing width, specifically comprising: a T beam;

[0006] Two T beams are each provided with a fixed frame on the outside through expansion screws;A first support frame is installed on the outside of the fixed frame on the left side;A second support frame is installed on the outside of the fixed frame on the right side;Two reinforcing plates are symmetrically installed on the front and back sides of the first support frame and the second support frame;Two locking latches are installed on the left and right ends of the two reinforcing plates.

[0007] In at least some embodiments, the top front and back sides of the first support frame are each provided with a closed baffle, and the bottom front and back sides of the second support frame are each provided with a closed baffle.

[0008] In at least some embodiments, the fixed frame, the first support frame and the second support frame are all C-shaped frames, and the inner side of the fixed frame will be tightly attached to the outer wall of the T beam after installation, and the inner side of the first support frame and the second support frame will be tightly attached to the outer wall of the fixed frame after installation.

[0009] In at least some embodiments, the front and back sides of the first support frame and the second support frame are each provided with a strip-shaped groove with a height equal to the thickness of the reinforcing plate, and the left and right sides of the reinforcing plate are each provided with an open slot corresponding to the width of the first support frame and the second support frame.

[0010] In at least some embodiments, the front and back sides of the fixed frame are provided with two rectangular plate-shaped protrusions, and the inner walls of the front and back sides of the first support frame and the second support frame are provided with two corresponding vertical guide grooves.

[0011] In at least some embodiments, the locking latches are all inverted U-shaped structures, the left and right ends of the reinforcing plates are provided with a circular hole, and the two circular rods at the bottom of the locking latches can be embedded into the circular holes at one end of the two reinforcing plates after the reinforcing plates are installed.

[0012] In at least some embodiments, the ends of the expansion screws are installed in the grooves on the rectangular plate-shaped protrusions on the front and back sides of the fixed frame, and the inner sides of the first support frame and the second support frame will be in close contact with the outer ends of the expansion screws after the first support frame and the second support frame are installed.

[0013] The utility model provides a prestress reinforcing device for connecting part of T beam bridge splicing width has following beneficial effect:

[0014] In the utility model, only the fixed frame needs to be fixed on the T beam through the expansion screws, the first support frame and the second support frame are installed in a sliding mode, the first support frame and the second support frame can be automatically locked after the reinforcing plates are installed, the operation is more labor-saving during installation, the first support frame and the second support frame can tightly press the expansion screws, the situation of falling off is avoided, and the use safety is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings of the embodiments will be briefly introduced below.

[0016] The drawings described in the following merely relate to some embodiments of the utility model, and are not limited to the utility model.

[0017] In the drawings:

[0018] Figure 1 The main shaft side schematic view of the overall structure of the application is shown;

[0019] Figure 2 The main shaft side schematic view of the reinforcing plate disassembly in the application is shown;

[0020] Figure 3 The main shaft side schematic view of the first support frame and the second support frame disassembly in the application is shown;

[0021] Figure 4 The shaft side schematic view of the fixed frame in the application is shown;

[0022] Figure 5 The structure schematic view of the first support frame in the application is shown;

[0023] Figure 6 Figure 1 shows a schematic view of a partial cutaway of a support frame according to the present application;

[0024] List of reference signs

[0025] 1, T beam; 2, fixed frame; 3, expansion screw; 4, first support frame; 5, second support frame; 6, reinforcing plate; 7, locking bolt. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below with reference to the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] Embodiment one: please refer to Figures 1 to 6 :

[0028] The utility model provides a kind of prestressed reinforcement device for connecting part of T beam bridge splicing width, it include: T beam 1;

[0029] Two T beams 1 outer side are equipped with a fixed frame 2 by expansion screw 3, T beam 1 is used to support bridge pavement, expansion screw 3 is used to fix fixed frame 2, and fixed frame 2 is used to support first support frame 4 and second support frame 5;Left side fixed frame 2 outer side is equipped with a first support frame 4, and first support frame 4 and second support frame 5 can support reinforcing plate 6 in cooperation;Right side fixed frame 2 outer side is equipped with a second support frame 5, and second support frame 5 can support reinforcing plate 6 in cooperation with first support frame 4;First support frame 4 and second support frame 5 are symmetrically equipped with two reinforcing plates 6 on front and back side, and reinforcing plate 6 can play reinforcing effect between two T beams 1 when using, to avoid the situation that T beam 1 inclines;Two reinforcing plates 6 are equipped with two locking bolts 7 on left and right ends, and locking bolt 7 can be inserted into the round hole of the left and right ends of two reinforcing plates 6 when assembling, so that the position of two reinforcing plates 6 can be firmly fixed.

[0030] In the embodiments of the present disclosure, as Figure 3 and Figure 5As shown, the top front and back sides of the first support frame 4 are each provided with a closed baffle, and the bottom front and back sides of the second support frame 5 are each provided with a closed baffle, so that after the first support frame 4 is installed in place, it can only be slid upward and removed outside the fixed frame 2, and after the second support frame 5 is installed in place, it can only be slid downward and removed outside the fixed frame 2, so that after the reinforcing plate 6 is installed, the vertical positions of the first support frame 4 and the second support frame 5 can be locked, avoiding the situation of upward and downward displacement.

[0031] In the embodiments of the present disclosure, as shown in Figures 1 to 6 The fixed frame 2, the first support frame 4 and the second support frame 5 are all C-shaped frames, and after the fixed frame 2 is installed, its inner side will be tightly attached to the outer wall of the T-beam 1, and after the first support frame 4 and the second support frame 5 are installed, their inner sides will be tightly attached to the outer wall of the fixed frame 2, so that after the fixed frame 2 is installed, there will be no shaking situation outside the T-beam 1, and after the first support frame 4 and the second support frame 5 are installed, there will also be no shaking situation outside the fixed frame 2.

[0032] In the embodiments of the present disclosure, as shown in Figures 1 to 3 The front and back sides of the first support frame 4 and the second support frame 5 are each provided with a strip-shaped groove with a height equal to the thickness of the reinforcing plate 6, and the left and right sides of the reinforcing plate 6 are each provided with an open groove corresponding to the width of the first support frame 4 and the second support frame 5, so that when assembling, the two reinforcing plates 6 can be installed in the strip-shaped grooves on the front and back sides of the first support frame 4 and the second support frame 5, and after the reinforcing plate 6 is installed, the vertical positions of the first support frame 4 and the second support frame 5 will be locked, and the open grooves on the left and right sides of the reinforcing plate 6 and the first support frame 4 and the second support frame 5 can be embedded to have a reinforcing effect between the two T-beams 1.

[0033] In the embodiments of the present disclosure, as shown in Figures 3 to 6 The front and back sides of the fixed frame 2 are each provided with two rectangular plate-shaped protrusions, and the inner walls of the front and back sides of the first support frame 4 and the second support frame 5 are each provided with two corresponding vertical guide grooves, so that when the first support frame 4 is installed, the rectangular plate-shaped protrusions on the front and back sides of the fixed frame 2 will be embedded in the vertical guide grooves on the inner walls of the front and back sides of the first support frame 4, so that the horizontal position of the first support frame 4 can be locked, and when the second support frame 5 is installed, the rectangular plate-shaped protrusions on the front and back sides of the fixed frame 2 will be embedded in the vertical guide grooves on the inner walls of the front and back sides of the second support frame 5, so that the horizontal position of the second support frame 5 can be locked.

[0034] In the embodiments of the present disclosure, as shown in Figure 4 and Figure 6As shown, the ends of the expansion screws 3 are installed in the grooves on the rectangular plate-shaped protrusions on the front and back sides of the fixed frame 2, and the inner side surfaces of the first support frame 4 and the second support frame 5 will be in close contact with the outer end surfaces of the expansion screws 3 after installation, so that the first support frame 4 and the second support frame 5 can be tightly clamped after installation to avoid the expansion screws 3 from falling off.

[0035] In Example Two, on the basis of Example One, as shown in Figures 1 to 6 As shown, the locking latches 7 are all inverted U-shaped structures, and the left and right ends of the reinforcing plates 6 are each provided with a round hole, and the two round rods at the bottom of the locking latches 7 can be respectively embedded in the round holes at one end of the two reinforcing plates 6 after installation of the reinforcing plates 6, so that the locking latches 7 can be inserted into the round holes at the left and right ends of the two reinforcing plates 6 during assembly, so that the positions of the two reinforcing plates 6 can be firmly fixed, and at the same time, the vertical positions of the first support frame 4 and the second support frame 5 can be locked, without the need for separate locking and fixing of the first support frame 4 and the second support frame 5.

[0036] The working principle of the present embodiment is as follows: when the device needs to be used to reinforce the T-beams of the bridge widening, the two fixed frames 2 are symmetrically installed on the outer sides of the two T-beams 1 through expansion screws, and the two fixed frames 2 are located at the same height, and then the first support frame 4 is placed above the fixed frame 2 on the left and pushed downward, during which the rectangular plate-shaped protrusions on the front and back sides of the fixed frame 2 are embedded in the vertical guide grooves on the inner walls on the front and back sides of the first support frame 4, so that the horizontal position of the first support frame 4 can be locked, and finally the closed baffle plates on the top front and back sides of the first support frame 4 will be placed on the top surface of the fixed frame 2, so that the first support frame 4 cannot continue to slide downward, and then the second support frame 5 is placed below the fixed frame 2 on the right and pushed upward, during which the rectangular plate-shaped protrusions on the front and back sides of the fixed frame 2 are embedded in the vertical guide grooves on the inner walls on the front and back sides of the second support frame 5, so that the horizontal position of the second support frame 5 can be locked, and finally the closed baffle plates on the bottom front and back sides of the second support frame 5 will be placed on the bottom surface of the fixed frame 2, so that the second support frame 5 cannot continue to slide upward, at this time, the two reinforcing plates 6 are installed in the strip-shaped grooves on the front and back sides of the first support frame 4 and the second support frame 5, and the reinforcing plates 6 will lock the vertical positions of the first support frame 4 and the second support frame 5 after installation to avoid upward and downward displacement, and the locking latches 7 are inserted into the round holes at the left and right ends of the two reinforcing plates 6, so that the positions of the two reinforcing plates 6 can be firmly fixed, and after installation, the reinforcing plates 6 can play a reinforcing effect between the two T-beams 1 to avoid the T-beams 1 from tilting.

[0037] In this article, the following points need to be noted:

[0038] 1.The accompanying drawings are only related to the structure involved in the embodiments of the present disclosure, and other structures can be referred to the general design.

[0039] 2.In the case of no conflict, the embodiments and features in the embodiments of the present disclosure can be combined to obtain new embodiments.

[0040] The above is only a specific implementation of the present disclosure, but the protection scope of the present disclosure is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present disclosure, which should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. A prestressed reinforcement device for a connecting part of a T-beam bridge widening, comprising: T beam (1); characterized in that: Both said T beam (1) outside through expansion screw (3) is equipped with a fixed frame (2); located in the left side of the fixed frame (2) outside is equipped with a one support frame (4); located in the right side of the fixed frame (2) outside is equipped with a two support frame (5); the front and back side of the one support frame (4) and two support frame (5) symmetry is equipped with two pieces of reinforcing plate (6); the left and right ends of the two reinforcing plate (6) is equipped with two locking bolt (7).

2. The prestressed reinforcement device for the connecting part of the T beam bridge widening according to claim 1, characterized in that, The fixed frame (2), one support frame (4) and two support frame (5) are all C-shaped frame, and the inner side of the fixed frame (2) will be close to the outer wall of the T beam (1) after installation, and the inner side of the one support frame (4) and two support frame (5) will be close to the outer wall of the fixed frame (2) after installation.

3. The prestressed reinforcement device for the connecting part of the T beam bridge widening according to claim 1, characterized in that, The front and back side of the fixed frame (2) is provided with two rectangular plate-shaped protrusions, and the inner wall of the front and back side of the one support frame (4) and two support frame (5) is provided with two corresponding vertical guide grooves.

4. The prestressed reinforcement device for the connecting part of the T beam bridge widening according to claim 1, characterized in that, The end of the expansion screw (3) is installed in the groove on the rectangular plate-shaped protrusion of the front and back side of the fixed frame (2), and the inner side of the one support frame (4) and two support frame (5) will be close to the outer end surface of the expansion screw (3) after installation.

5. The prestressed reinforcement device for the connecting part of the T beam bridge widening according to claim 1, characterized in that, The top of the one support frame (4) is provided with a closed baffle plate on the front and back side, and the bottom of the two support frame (5) is provided with a closed baffle plate on the front and back side.

6. The prestressed reinforcement device for the connecting part of the T beam bridge widening according to claim 1, characterized in that, The front and back side of the one support frame (4) and two support frame (5) is provided with a strip-shaped groove with a height equal to the thickness of the reinforcing plate (6), and the left and right sides of the reinforcing plate (6) are provided with an open slot corresponding to the width of the one support frame (4) and two support frame (5).

7. The prestressed reinforcement device for the connecting part of the T beam bridge widening according to claim 1, characterized in that, The locking bolt (7) is in inverted U-shaped structure, and the left and right ends of the reinforcing plate (6) are provided with a round hole, and the two round rods at the bottom of the locking bolt (7) can be embedded in the round holes at one end of the two reinforcing plates (6) after the installation of the reinforcing plate (6).