Fireproof and corrosion-resistant glass fiber reinforced plastic bridge fastening device

Abstract

The utility model provides a fireproof corrosion-resistant glass fiber reinforced plastic bridge frame fastening device, which relates to the technical field of glass fiber reinforced plastic bridge frames, and comprises a connecting shell, a plurality of bolts I are connected in the connecting shell, the outer wall of each bolt I is sleeved with a gasket I, the outer wall of each bolt I is in threaded connection with a nut, and the gasket I is sleeved with a gasket II. A connecting frame is fixedly connected to the outer wall of the connecting shell, a second bolt is connected into the connecting frame in a threaded mode, and a first glass fiber reinforced plastic bridge is arranged at one end of the inner side of the connecting shell. Compared with the prior art, the glass fiber reinforced plastic bridge has the advantages that the second glass fiber reinforced plastic bridge and the first glass fiber reinforced plastic bridge as well as the first glass fiber reinforced plastic bridge cover and the second glass fiber reinforced plastic bridge cover can be fixed, the first glass fiber reinforced plastic bridge cover and the second glass fiber reinforced plastic bridge cover are prevented from moving, and the first glass fiber reinforced plastic bridge and the second glass fiber reinforced plastic bridge are connected more stably; according to the utility model, the glass fiber reinforced plastic bridge I and the glass fiber reinforced plastic bridge II can be quickly fixed, and the efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of glass fiber reinforced plastic bridge frames, in particular to a fireproof and corrosion-resistant glass fiber reinforced plastic bridge frame fastening device. Background Art

[0002] A fireproof and corrosion-resistant FRP bridge fastening device uses FRP material, which is composed of glass fiber reinforced plastic, flame retardant and other materials, has low thermal conductivity and excellent flame retardant performance. The FRP material is not only fireproof and heat-insulating, self-extinguishing, but also has high corrosion resistance;

[0003] After searching, the utility model with the announcement number CN220325190U discloses a fireproof and corrosion-resistant FRP bridge fastening device. Although the utility model patent solves the problem that the existing FRP bridge cover is not convenient to be tightly connected with the FRP bridge after long-term use, and it is difficult to arrange the cables laid inside in an orderly manner;

[0004] 1. In the prior art, the connection between FRP bridges is usually screw connection. The threaded connection is connected by matching metal sheets and bolts to connect the disconnected parts between FRP bridges. During the connection, the force is mainly borne by the metal sheets and bolts, and the stability is poor.

[0005] Second, in the prior art, when connecting the FRP bridge frame with the angle iron, it is necessary to drill holes in the FRP bridge frame and the angle iron frame, and then tighten the bolts with a wrench, which is troublesome to connect and has low efficiency;

[0006] Therefore, a fire-proof and corrosion-resistant FRP bridge fastening device is proposed. Utility Model Content

[0007] In view of this, the utility model provides a fire-proof and corrosion-resistant glass fiber reinforced plastic bridge frame fastening device to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial choice.

[0008] The technical solution of the utility model is achieved as follows: a fire-proof and corrosion-resistant glass fiber reinforced plastic bridge frame fastening device comprises a connecting shell, a bolt 1 is connected inside the connecting shell, a plurality of bolts 1 are provided, a gasket 1 is sleeved on the outer wall of the bolt 1, a nut is threadedly connected to the outer wall of the bolt 1, a connecting frame is fixedly connected to the outer wall of the connecting shell, a bolt 2 is threadedly connected to the inner thread of the connecting frame, a glass fiber reinforced plastic bridge frame 1 is provided at one end inside the connecting shell, the bolt 1 penetrates the glass fiber reinforced plastic bridge frame 1, a glass fiber reinforced plastic bridge cover 1 is slidably connected to the top of the glass fiber reinforced plastic bridge frame 1, a glass fiber reinforced plastic bridge frame 2 is provided at one end of the inner side of the connecting shell away from the glass fiber reinforced plastic bridge cover 1, the bolt 1 penetrates the glass fiber reinforced plastic bridge frame 2, a glass fiber reinforced plastic bridge cover 2 is slidably connected to the top of the glass fiber reinforced plastic bridge frame 2, the glass fiber reinforced plastic bridge cover 2 and the glass fiber reinforced plastic bridge cover 1 are respectively abutted against a fixed gasket, a slide trough body is fixedly connected to the bottom of the connecting shell, a spring 1 is fixedly connected to the slide trough body, a sliding plate is fixedly connected to the top of the spring 1, and the sliding plate slides in the slide trough body.

[0009] Further preferably, angle iron frames are provided at the bottom of the FRP bridge frame 1 and the FRP bridge frame 2, and hinge seats are fixedly connected to the lower surfaces of the FRP bridge frame 1 and the FRP bridge frame 2, and L-shaped clamp rods are hinged on the outer walls of the hinge seats, and a support block is fixedly connected to the side of the L-shaped clamp rod away from the angle iron frame, and a spring 2 is fixedly connected to the side of the support block close to the FRP bridge frame 1 and the FRP bridge frame 2, and the spring 2 is fixedly connected to the FRP bridge frame 1 and the FRP bridge frame 2, respectively.

[0010] Further preferably, the slide chute body, spring one and sliding plate are provided in multiple groups, and the sliding plates are respectively abutted against the FRP bridge cover one and the FRP bridge cover two.

[0011] Further preferably, the articulated seat, L-shaped clamping rod and supporting block are provided in two groups, and the two groups of the articulated seat, L-shaped clamping rod and supporting block are located on both sides of the angle iron frame.

[0012] Further preferably, a fixing gasket is fixedly connected to the bottom of the second bolt, and the fixing gasket is respectively abutted against the first fiberglass bridge cover and the second fiberglass bridge cover.

[0013] Further preferably, the connecting frame is in a "C" shape.

[0014] The embodiment of the utility model has the following advantages due to the adoption of the above technical solution:

[0015] 1. The utility model slides the connection shell to the connection between the FRP bridge frame 2 and the FRP bridge frame 1, inserts the bolt 1 according to the position of the fixed point punching, tightens the installation gasket 1 and the nut, slides the FRP bridge cover 1 and the FRP bridge cover 2 to the top of the FRP bridge frame 1 and the FRP bridge frame 2, rotates the bolt 2, and the bolt 2 and the fixing gasket move downward, fixes the FRP bridge cover 1 and the FRP bridge cover 2, prevents the FRP bridge cover 1 and the FRP bridge cover 2 from moving, and makes the connection between the FRP bridge frame 1 and the FRP bridge frame 2 more stable;

[0016] Second, the utility model bends the L-shaped clamp rod outward, presses downward toward the two ends of the angle iron frame, loosens the L-shaped clamp rod, and with the cooperation of the second spring, the L-shaped clamp rod moves closer to the angle iron frame, thereby quickly fixing the glass fiber reinforced plastic bridge frame one and the glass fiber reinforced plastic bridge frame two, with high efficiency.

[0017] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the overall partial internal cross-sectional structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the connection shell structure of the utility model;

[0021] Figure 3 This is a schematic diagram of an exploded structure of a glass fiber reinforced plastic bridge of the utility model;

[0022] Figure 4 It is a schematic cross-sectional structure diagram of a fiberglass reinforced plastic bridge of the present utility model.

[0023] Figure numerals: 1, connecting shell; 2, bolt one; 3, gasket one; 4, nut; 5, connecting frame; 6, bolt two; 7, fixing gasket; 8, FRP bridge frame one; 9, FRP bridge cover one; 10, FRP bridge frame two; 11, FRP bridge cover two; 12, slide chute body; 13, spring one; 14, sliding plate; 15, angle iron frame; 16, hinged seat; 17, L-shaped clamp rod; 18, support block; 19, spring two. DETAILED DESCRIPTION

[0024] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0025] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0026] like Figure 1-4 As shown, the embodiment of the utility model provides a fire-proof and corrosion-resistant glass fiber reinforced plastic bridge fastening device: comprising a connecting shell 1, a bolt 2 is connected inside the connecting shell 1, a plurality of bolts 2 are provided, a gasket 3 is sleeved on the outer wall of the bolt 2, a nut 4 is threadedly connected to the outer wall of the bolt 2, a connecting frame 5 is fixedly connected to the outer wall of the connecting shell 1, a bolt 6 is threadedly connected to the inner wall of the connecting frame 5, a glass fiber reinforced plastic bridge frame 8 is provided at one end of the inner side of the connecting shell 1, the bolt 2 penetrates the glass fiber reinforced plastic bridge frame 8, and the top of the glass fiber reinforced plastic bridge frame 8 is slidably connected to the glass fiber reinforced plastic bridge frame 8. A steel bridge cover 9 is provided with a glass fiber reinforced plastic bridge frame 2 10 at one end of the inner side of the connecting shell 1 away from the glass fiber reinforced plastic bridge cover 9, a bolt 2 penetrates the glass fiber reinforced plastic bridge frame 2 10, a glass fiber reinforced plastic bridge cover 2 11 is slidably connected to the top of the glass fiber reinforced plastic bridge frame 2 10, the glass fiber reinforced plastic bridge cover 2 11 and the glass fiber reinforced plastic bridge cover 9 are respectively abutted against the fixed gasket 7, a slide trough body 12 is fixedly connected to the bottom of the connecting shell 1, a spring 13 is fixedly connected to the slide trough body 12, a sliding plate 14 is fixedly connected to the top of the spring 13, and the sliding plate 14 slides in the slide trough body 12.

[0027] In one embodiment, an angle iron frame 15 is provided at the bottom of the FRP bridge frame 1 8 and the FRP bridge frame 2 10, and a hinge seat 16 is fixedly connected to the lower surface of the FRP bridge frame 1 8 and the FRP bridge frame 2 10, and an L-shaped clamp rod 17 is hinged on the outer wall of the hinge seat 16. The side of the L-shaped clamp rod 17 away from the angle iron frame 15 is fixedly connected to a support block 18, and the side of the support block 18 close to the FRP bridge frame 1 8 and the FRP bridge frame 2 10 is fixedly connected to a spring 2 19, and the spring 2 19 is fixedly connected to the FRP bridge frame 1 8 and the FRP bridge frame 2 10 respectively.

[0028] In one embodiment, the chute body 12, the spring 13 and the sliding plate 14 are provided in multiple groups, and the sliding plate 14 is respectively against the glass fiber reinforced plastic bridge cover 1 9 and the glass fiber reinforced plastic bridge cover 2 11. The multiple groups of chute bodies 12, spring 13 and sliding plates 14 are used to separate cables to prevent the cables from being entangled and knotted. The hinge seat 16, the L-shaped clamping rod 17 and the support block 18 are provided in two groups, and the two groups of hinge seats 16, the L-shaped clamping rod 17 and the support block 18 are located on both sides of the angle iron frame 15. The two groups of hinge seats 16, the L-shaped clamping rod 17 and the support block 18 clamp the angle iron frame 15 more stably, ensuring the fastening of the glass fiber reinforced plastic bridge frame 1 8 and the glass fiber reinforced plastic bridge frame 2 10. The bottom of the bolt 2 6 is fixedly connected with a fixing gasket 7, and the fixing gasket 7 is respectively against the glass fiber reinforced plastic bridge cover 1 9 and the glass fiber reinforced plastic bridge cover 2 11. The shape of the connecting frame 5 is "C" shaped, and the "C" shape of the connecting frame 5 faces the glass fiber reinforced plastic bridge cover 2 11.

[0029] The utility model is in operation: when the staff needs to connect the FRP bridge frame 1 8 and the FRP bridge frame 2 10, the staff determines the position and then fixes the point, respectively punches holes at the FRP bridge frame 1 8, the FRP bridge frame 2 10 and the connection shell 1, after the punching is completed, the connection shell 1 is slid to the outer wall of the FRP bridge frame 1 8 according to the shape of the FRP bridge frame 1 8, the ends of the FRP bridge frame 1 8 and the FRP bridge frame 2 10 to be connected are aligned, the connection shell 1 is slid to the connection between the FRP bridge frame 2 10 and the FRP bridge frame 1 8, and then the bolt 1 2 is inserted according to the position of the fixed point punching, the gasket 1 3 is installed, and finally the nuts 4 are tightened one by one. When the staff slides the FRP bridge cover 1 9 and the FRP bridge cover 2 11 to the top of the FRP bridge frame 1 8 and the FRP bridge frame 2 10 according to the needs, the staff manually turns the nuts Bolt 26, since bolt 26 is threadedly connected to the connecting frame 5, bolt 26 moves downward, thereby driving the fixing gasket 7 to move downward, so that the fixing gasket 7 is close to the FRP bridge cover 1 9 and the FRP bridge cover 2 11, and the FRP bridge cover 1 9 and the FRP bridge cover 2 11 are fixed to prevent the FRP bridge cover 1 9 and the FRP bridge cover 2 11 from moving, so that the connection between the FRP bridge frame 1 8 and the FRP bridge frame 2 10 is more stable; when the staff needs to install the FRP bridge frame 1 8 and the FRP bridge frame 2 10 on the angle iron frame 15, the L-shaped clamp rod 17 is opened outward, pressed downward at both ends of the angle iron frame 15, and the L-shaped clamp rod 17 is released. With the cooperation of the spring 2 19, the L-shaped clamp rod 17 approaches the angle iron frame 15, thereby quickly fixing the FRP bridge frame 1 8 and the FRP bridge frame 2 10 with high efficiency.

[0030] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A fireproof and corrosion-resistant glass fiber reinforced plastic bridge fastening device, characterized in that: The invention comprises a connection shell (1), wherein a bolt (2) is connected inside the connection shell (1), wherein a plurality of bolts (2) are provided, wherein a gasket (3) is sleeved on the outer wall of the bolt (2), wherein a nut (4) is threadedly connected to the outer wall of the bolt (2), wherein a connection frame (5) is fixedly connected to the outer wall of the connection shell (1), wherein the inner thread of the connection frame (5) is connected to a bolt (6), wherein a glass fiber reinforced plastic bridge frame (8) is provided at one end of the inner side of the connection shell (1), wherein the bolt (2) passes through the glass fiber reinforced plastic bridge frame (8), wherein the top of the glass fiber reinforced plastic bridge frame (8) is slidably connected to a glass fiber reinforced plastic bridge cover (9), wherein the connection shell (1) A glass fiber reinforced plastic bridge frame 2 (10) is arranged at one end of the inner side away from the glass fiber reinforced plastic bridge cover 1 (9), the bolt 1 (2) penetrates the glass fiber reinforced plastic bridge frame 2 (10), the top of the glass fiber reinforced plastic bridge frame 2 (10) is slidably connected with a glass fiber reinforced plastic bridge cover 2 (11), the glass fiber reinforced plastic bridge cover 2 (11) and the glass fiber reinforced plastic bridge cover 1 (9) are respectively abutted against a fixed gasket (7), a slide trough body (12) is fixedly connected to the bottom of the connecting shell (1), a spring 1 (13) is fixedly connected to the slide trough body (12), a sliding plate (14) is fixedly connected to the top of the spring 1 (13), and the sliding plate (14) slides in the slide trough body (12).

2. A fireproof and corrosion-resistant glass fiber reinforced plastic bridge fastening device according to claim 1, characterized in that: An angle iron frame (15) is arranged at the bottom of the FRP bridge frame 1 (8) and the FRP bridge frame 2 (10); a hinge seat (16) is fixedly connected to the lower surface of the FRP bridge frame 1 (8) and the FRP bridge frame 2 (10); an L-shaped clamping rod (17) is hingedly connected to the outer wall of the hinge seat (16); a support block (18) is fixedly connected to the side of the L-shaped clamping rod (17) away from the angle iron frame (15); a spring 2 (19) is fixedly connected to the side of the support block (18) close to the FRP bridge frame 1 (8) and the FRP bridge frame 2 (10); the spring 2 (19) is fixedly connected to the FRP bridge frame 1 (8) and the FRP bridge frame 2 (10), respectively.

3. The fireproof and corrosion-resistant glass fiber reinforced plastic bridge fastening device according to claim 1 is characterized in that: The slide chute body (12), spring one (13) and sliding plate (14) are provided in multiple groups, and the sliding plate (14) is respectively abutted against the glass fiber reinforced plastic bridge cover one (9) and the glass fiber reinforced plastic bridge cover two (11).

4. The fireproof and corrosion-resistant glass fiber reinforced plastic bridge fastening device according to claim 2 is characterized in that: The hinged seat (16), L-shaped clamping rod (17) and supporting block (18) are provided in two groups, and the two groups of the hinged seat (16), L-shaped clamping rod (17) and supporting block (18) are located on both sides of the angle iron frame (15).

5. The fireproof and corrosion-resistant glass fiber reinforced plastic bridge fastening device according to claim 1 is characterized in that: A fixing gasket (7) is fixedly connected to the bottom of the second bolt (6), and the fixing gasket (7) is respectively abutted against the first glass fiber reinforced plastic bridge cover (9) and the second glass fiber reinforced plastic bridge cover (11).

6. The fireproof and corrosion-resistant glass fiber reinforced plastic bridge fastening device according to claim 1 is characterized in that: The connecting frame (5) is in a "C" shape.

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