Steel truss girder railway bridge deck slab construction formwork fixing device

Abstract

The utility model discloses a steel truss girder railway bridge deck slab construction formwork fixing device which comprises a first main beam, and a first bridge deck slab is installed at the upper end of the first main beam. A second bridge deck slab is mounted at the upper end of the second main beam; the connecting assembly is arranged between the first bridge deck slab and the second bridge deck slab; the reinforcing assembly is installed on the outer side of the first bridge deck slab, and the first bridge deck slab and the second bridge deck slab can be fixed through the connecting assembly; the connecting assembly can be reinforced through the reinforcing assembly, the connecting assembly comprises a positioning hole and a positioning block, and the positioning hole is formed in the inner side of the first bridge deck slab. According to the steel truss girder railway bridge deck slab construction formwork fixing device, positioning of the first bridge deck slab and the second bridge deck slab is completed through matching of the positioning holes in the outer side of the first bridge deck slab and the positioning blocks on the outer side of the second bridge deck slab, and position deviation between the first bridge deck slab and the second bridge deck slab during butt joint is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge decks, in particular to a fixing device for the construction formwork of the bridge deck of a steel truss railway bridge. Background Technique

[0002] The bridge deck of a steel truss railway bridge is a structure directly used to bear the pressure of vehicle wheels, generally called the carriageway slab. It is usually integrally connected with the beam ribs and diaphragms of the main beam, and can effectively transfer the vehicle load to the main beam. At the same time, the bridge deck is also a component of the cross-section of the main beam, ensuring the overall function of the main beam.

[0003] A bridge deck that can be quickly spliced, with the application number CN202321841796.4, includes: a main beam, and a first bridge deck fixedly connected to the top of the main beam. For this bridge deck that can be quickly spliced, the first fixing ear plate and the second fixing ear plate are arranged in an interleaved contact manner, and are fixed by using a mounting plate to position the first bridge deck and the second bridge deck. The fixing rod is clamped in the mounting by connecting with a limiting plate to fix the mounting plate; the locking buckle is buckled in the locking hole to limit and fix the steel bars, so that the first bridge deck and the second bridge deck are firmly connected; the clamping plate is clamped between the first bridge deck and the second bridge deck to limit the first bridge deck and the second bridge deck. The clamping plate is fixed by screwing the fixing bolt into the threaded groove. The first connecting plate and the second connecting plate are respectively clamped and penetrated through the first bayonet and the second bayonet to position the clamping plate.

[0004] However, when installing and fixing the two bridge decks with this device, there is a certain gap between the two plates, and there will be a certain friction between the two plates during use, which affects the service life of the bridge deck. Moreover, the first connecting plate and the second connecting plate of this device are exposed on the upper end of the bridge deck. After the bridge is opened to traffic, the connecting plates may be broken or deformed after being run over by vehicles for a long time, which affects the fixing stability of the two groups of bridge decks.

[0005] In view of the above problems, it is urgent to innovate and design on the basis of the original structure of the fixing device for the construction formwork of the bridge deck of a steel truss railway bridge. Content of the Utility Model

[0006] The purpose of the utility model is to provide a fixing device for the construction formwork of the bridge deck of a steel truss railway bridge, so as to solve the problems proposed in the above background technique that when installing and fixing the two bridge decks with this device, there is a certain gap between the two plates, and there will be a certain friction between the two plates during use, which affects the service life of the bridge deck. Moreover, the first connecting plate and the second connecting plate of this device are exposed on the upper end of the bridge deck. After the bridge is opened to traffic, the connecting plates may be broken or deformed after being run over by vehicles for a long time, which affects the fixing stability of the two groups of bridge decks.

[0007] To achieve the above object, the utility model provides the following technical solutions: A fixing device for the formwork of the deck of a steel truss girder railway bridge, including a first main girder, with a first deck installed at the upper end of the first main girder; a second main girder, with a second deck installed at the upper end of the second main girder; a connecting component, which is arranged between the first deck and the second deck; a reinforcing component, which is installed outside the first deck. Among them, through the connecting component, the first deck and the second deck can be fixed; through the reinforcing component, the connecting component can be reinforced.

[0008] Preferably, the connecting component includes a positioning hole and a positioning block. The positioning hole is opened on the inner side of the first deck, and the positioning block is fixedly installed on the outer side of the second deck, and the inner side of the positioning hole fits with the positioning block.

[0009] Preferably, the connecting component further includes a connecting rod, a card slot and a connecting groove. The connecting rod is fixedly installed on the outer side of the second deck, and a card slot is opened on the inner side of the connecting rod. The connecting rod penetrates through the inner side of the connecting groove, and the connecting groove is opened on the inner side of the first deck.

[0010] Preferably, the connecting component further includes a sliding groove, which is opened on the inner side of the first deck, and the sliding groove and the connecting groove are of a through structure.

[0011] Preferably, the connecting component further includes a telescopic spring and a clamping rod. The telescopic spring is fixedly installed on the inner side of the sliding groove, and the tail end of the telescopic spring is fixedly connected with the clamping rod. The clamping rod penetrates through the inner side of the sliding groove. The tail end of the clamping rod is of an arc-shaped structure, and the tail end of the clamping rod is clamped and connected to the card slot on the inner side of the connecting rod.

[0012] Preferably, the reinforcing component includes a sliding frame, a sliding plate and a through groove. The sliding frame is fixedly installed on the outer side of the first deck, and the sliding plate is nested inside the sliding frame, and a through groove is opened on the inner side of the sliding plate.

[0013] Preferably, the reinforcing component further includes a threaded connecting plate and a fastening bolt. The threaded connecting plate is fixedly installed on the outer side of the first deck, and two groups of the threaded connecting plates are symmetrically arranged up and down about the midpoint of the first deck. The inner side of the threaded connecting plate is threadedly connected with the fastening bolt, and the fastening bolt penetrates through the inner side of the through groove.

[0014] Compared with the prior art, the beneficial effect of the utility model is that the fixing device for the formwork of the deck of the steel truss girder railway bridge is provided with:

[0015] 1. A connecting structure, which completes the positioning of the first deck and the second deck through the fit of the positioning hole on the outer side of the first deck and the positioning block on the outer side of the second deck, avoiding position deviation between the first deck and the second deck during docking;

[0016] Furthermore, when the first bridge deck and the second bridge deck are docked, the connecting rod on the outer side of the second bridge deck enters the connecting groove on the inner side of the first bridge deck. When the tail end of the locking rod touches the tail end of the connecting rod, the connecting rod will push up the locking rod through the arc-shaped structure at the tail end of the locking rod, causing it to slide outward along the inner side of the sliding groove. When the connecting rod abuts against the innermost side of the connecting groove, at this time, the clamping groove on the inner side of the connecting rod is exactly at the same horizontal line as the locking rod. At this time, the locking rod automatically resets by the elastic force of the telescopic spring, and the tail end of the locking rod will be snap-fitted and connected in the clamping groove on the inner side of the connecting rod, fixing the connecting rod inside the connecting groove. By fixing the connecting rod, the second bridge deck is thus fitted and fixed on the outer side of the first bridge deck, completing the fixed splicing of the two groups of bridge decks;

[0017] 2. Reinforcement structure. After the first bridge deck and the second bridge deck are connected, slide the sliding plate along the inner side of the sliding frame until the sliding plate slides to a state where it is flush with the upper and lower threaded connecting plates. Subsequently, rotate the fastening bolt until the fastening bolt passes through the through groove on the inner side of the sliding plate and is connected to the threaded connecting plate at the lower end. At this time, the sliding plate is in a fixed state and abuts against the outer side of the locking rod, preventing the locking rod from separating from the clamping groove on the inner side of the connecting rod due to vibration or impact through the abutting and limiting of the locking rod, thereby achieving a certain reinforcement effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic perspective view of the overall structure of the present utility model;

[0019] Figure 2 is a schematic view of the separated structure of the first bridge deck and the second bridge deck of the present utility model;

[0020] Figure 3 is a schematic perspective view of a part of the first bridge deck of the present utility model;

[0021] Figure 4 is a schematic front sectional view of the first bridge deck of the present utility model;

[0022] Figure 5 of the present utility model Figure 4 is an enlarged schematic view of part A in;

[0023] Figure 6 is a schematic perspective view of the sliding frame of the present utility model;

[0024] Figure 7 of the present utility model Figure 3 is an enlarged schematic view of part B in.

[0025] In the figure: 1. First main beam; 2. First bridge deck; 3. Second main beam; 4. Second bridge deck; 5. Connection assembly; 501. Positioning hole; 502. Positioning block; 503. Connecting rod; 504. Card slot; 505. Connection slot; 506. Slide groove; 507. Telescopic spring; 508. Card rod; 6. Reinforcement assembly; 601. Sliding frame; 602. Sliding plate; 603. Through slot; 604. Threaded connection plate; 605. Tightening bolt. Specific implementation mode

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0027] Please refer to Figures 1-7 , the present invention provides a technical solution: a fixing device for a construction formwork of a steel truss girder railway bridge deck, including:

[0028] Embodiment 1: As Figures 1-6 shown in the technical solution, the present invention provides a technical solution: a fixing device for a construction formwork of a steel truss girder railway bridge deck, which discloses: a first main beam 1, a first bridge deck 2 is installed at the upper end of the first main beam 1; a second main beam 3, a second bridge deck 4 is installed at the upper end of the second main beam 3; a connection assembly 5, the connection assembly 5 is arranged between the first bridge deck 2 and the second bridge deck 4; a reinforcement assembly 6, the reinforcement assembly 6 is installed outside the first bridge deck 2, wherein, through the connection assembly 5, the first bridge deck 2 and the second bridge deck 4 can be fixed; through the reinforcement assembly 6, the connection assembly 5 can be reinforced;

[0029] The connecting component 5 includes a positioning hole 501 and a positioning block 502. The positioning hole 501 is opened on the inner side of the first bridge deck 2, and the positioning block 502 is fixedly installed on the outer side of the second bridge deck 4, and the inner side of the positioning hole 501 fits with the positioning block 502; the connecting component 5 further includes a connecting rod 503, a card slot 504 and a connecting groove 505. The connecting rod 503 is fixedly installed on the outer side of the second bridge deck 4, and a card slot 504 is opened on the inner side of the connecting rod 503. The connecting rod 503 penetrates through the inner side of the connecting groove 505, and the connecting groove 505 is opened on the inner side of the first bridge deck 2; the connecting component 5 further includes a sliding groove 506. The sliding groove 506 is opened on the inner side of the first bridge deck 2, and the sliding groove 506 and the connecting groove 505 are of a through structure; the connecting component 5 further includes a telescopic spring 507 and a clamping rod 508. The telescopic spring 507 is fixedly installed on the inner side of the sliding groove 506, and the tail end of the telescopic spring 507 is fixedly connected with the clamping rod 508. The clamping rod 508 penetrates through the inner side of the sliding groove 506. The tail end of the clamping rod 508 is of an arc-shaped structure, and the tail end of the clamping rod 508 is snap-fitted in the card slot 504 on the inner side of the connecting rod 503;

[0030] Through the fitting of the positioning hole 501 on the outer side of the first bridge deck 2 and the positioning block 502 on the outer side of the second bridge deck 4, the positioning of the first bridge deck 2 and the second bridge deck 4 is completed, avoiding position deviation between the first bridge deck 2 and the second bridge deck 4 during docking. When the first bridge deck 2 and the second bridge deck 4 are docked, the connecting rod 503 on the outer side of the second bridge deck 4 enters the connecting groove 505 on the inner side of the first bridge deck 2. When the tail end of the clamping rod 508 touches the tail end of the connecting rod 503, the connecting rod 503 will push up the clamping rod 508 through the arc-shaped structure at the tail end of the clamping rod 508 to make it slide outwards along the inner side of the sliding groove 506. When the connecting rod 503 abuts against the innermost side of the connecting groove 505, at this time, the card slot 504 on the inner side of the connecting rod 503 is exactly at the same horizontal line position as the clamping rod 508. At this time, the clamping rod 508 automatically resets under the elastic force of the telescopic spring 507, and the tail end of the clamping rod 508 is snap-fitted in the card slot 504 on the inner side of the connecting rod 503, fixing the connecting rod 503 on the inner side of the connecting groove 505. By fixing the connecting rod 503, the second bridge deck 4 is attached and fixed to the outer side of the first bridge deck 2, completing the fixed splicing of the two groups of bridge decks.

[0031] Embodiment 2: As Figures 1-2 、 Figure 7For the technical solution shown, the present utility model provides a technical solution: a fixing device for the bridge deck construction formwork of a steel truss girder railway bridge, and discloses that: the reinforcement component 6 includes a sliding frame 601, a sliding plate 602 and a through groove 603. The sliding frame 601 is fixedly installed on the outside of the first bridge deck 2, and the sliding plate 602 is nested inside the sliding frame 601, and a through groove 603 is opened inside the sliding plate 602; the reinforcement component 6 further includes a threaded connection plate 604 and a fastening bolt 605. The threaded connection plate 604 is fixedly installed on the outside of the first bridge deck 2, and two groups of threaded connection plates 604 are symmetrically arranged up and down about the midpoint of the first bridge deck 2. The fastening bolt 605 is threadedly connected inside the threaded connection plate 604, and the fastening bolt 605 passes through the inside of the through groove 603;

[0032] In this structure, after the first bridge deck 2 and the second bridge deck 4 are connected, the sliding plate 602 is slid along the inside of the sliding frame 601 so that the sliding plate 602 slides to a state flush with the upper and lower two groups of threaded connection plates 604. Subsequently, the fastening bolt 605 is rotated until the fastening bolt 605 passes through the through groove 603 inside the sliding plate 602 and is connected to the lower threaded connection plate 604. At this time, the sliding plate 602 is in a fixed state and abuts against the outside of the locking lever 508, and the locking lever 508 is prevented from separating from the card slot 504 inside the connecting rod 503 due to vibration or impact through the abutting and limiting of the locking lever 508, thereby achieving a certain reinforcement effect.

[0033] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0034] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A steel truss railway bridge deck construction template fixing device, characterized in that: Included are: A first main beam (1), wherein a first bridge deck (2) is mounted on the upper end of the first main beam (1); A second main beam (3), a second bridge deck (4) being mounted on the upper end of the second main beam (3); A connection assembly (5), wherein the connection assembly (5) is arranged between the first bridge deck (2) and the second bridge deck (4); A reinforcement component (6) is installed on the outside of the first bridge deck (2), wherein: The first bridge deck (2) and the second bridge deck (4) can be fixed by a connecting assembly (5); The connection component (5) can be reinforced by the reinforcement component (6).

2. A steel truss railway bridge deck construction template fixing device according to claim 1, characterized in that: The connection assembly (5) comprises a positioning hole (501) and a positioning block (502); the positioning hole (501) is opened on the inner side of the first bridge deck (2); the positioning block (502) is fixedly mounted on the outer side of the second bridge deck (4); and the inner side of the positioning hole (501) is matched with the positioning block (502).

3. A steel truss railway bridge deck construction template fixing device according to claim 2, characterized in that: The connection assembly (5) further comprises a connection rod (503), a clamping groove (504) and a connection groove (505); the connection rod (503) is fixedly mounted on the outside of the second bridge deck (4); the clamping groove (504) is provided on the inside of the connection rod (503); the connection rod (503) passes through the inside of the connection groove (505); and the connection groove (505) is provided on the inside of the first bridge deck (2).

4. A steel truss railway bridge deck construction template fixing device according to claim 3, characterized in that: The connecting component (5) further comprises a slide groove (506), wherein the slide groove (506) is arranged on the inner side of the first bridge deck (2), and the slide groove (506) and the connecting groove (505) are a through structure.

5. A steel truss railway bridge deck construction template fixing device according to claim 4, characterized in that: The connecting assembly (5) further comprises a telescopic spring (507) and a clamping rod (508), wherein the telescopic spring (507) is fixedly mounted on the inner side of the slide groove (506), and the clamping rod (508) is fixedly connected to the tail end of the telescopic spring (507), and the clamping rod (508) passes through the inner side of the slide groove (506), and the tail end of the clamping rod (508) is an arc-shaped structure, and the tail end of the clamping rod (508) is clamped and connected to the clamping groove (504) inside the connecting rod (503).

6. A steel truss railway bridge deck construction template fixing device according to claim 1, characterized in that: The reinforcement component (6) comprises a sliding frame (601), a sliding plate (602) and a through slot (603); the sliding frame (601) is fixedly installed on the outside of the first bridge deck (2); the sliding plate (602) is nested inside the sliding frame (601); and the through slot (603) is provided inside the sliding plate (602).

7. A steel truss railway bridge deck construction template fixing device according to claim 6, characterized in that: The reinforcement assembly (6) further comprises a threaded connection plate (604) and a fastening bolt (605); the threaded connection plate (604) is fixedly mounted on the outside of the first bridge deck (2); and two groups of threaded connection plates (604) are symmetrically arranged about the midpoint of the first bridge deck (2); the inner side of the threaded connection plate (604) is threadedly connected with a fastening bolt (605), and the fastening bolt (605) passes through the inner side of the through slot (603).

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