A fixing device for Bailey sheets of a steel trestle bridge and a fixing method thereof

Abstract

The present invention relates to the technical field of the fixed application of Bailey plates in steel structures. The present invention discloses a fixing device and a fixing method for Bailey plates of a steel trestle, including Bailey plates, I-beams, bolts, first U-shaped clamping pieces, second U-shaped clamping pieces, first connecting bars, second connecting bars, first positioning holes, second positioning holes, nuts, vertical bars, first cross bars, first reinforcing rib plates, first connecting pieces, second cross bars, second connecting pieces, third connecting pieces and second reinforcing rib plates. The present invention is used for the fixed installation of Bailey plates. Through the setting of the bolt positioning and installation mechanism, preliminary fixing is realized, and at the same time positioning is achieved, providing convenience for the subsequent reinforcement process; after the setting of the bolt positioning and installation mechanism, further through the setting of the clamping piece installation mechanism, four-corner reinforcement can be provided at the connection between the Bailey plate and the I-beam, improving the overall installation effect and ensuring stable installation.

Description

Technical Field

[0001] The present invention relates to a fixing device for Bailey plates and a fixing method thereof, specifically a fixing device for Bailey plates of a steel trestle bridge and a fixing method thereof, belonging to the technical field of application of fixing Bailey plates in steel structures. Background Technique

[0002] Bailey plates, also known as Bailey frames, Bailey beams or trusses, can be used for highway bridges, assembled gantry cranes, guide beams, bridge erecting machines, hanging baskets, etc.; Bailey truss combined gantry cranes.

[0003] When the existing Bailey plates are in use, they are generally fixed by welding. The fixing structure is relatively simple, and the overall stability may be poor. There is a lack of other reinforcement structures, which may affect the overall use situation. Therefore, a fixing device for Bailey plates of a steel trestle bridge and a fixing method thereof are proposed for the above problems. Summary of the Invention

[0004] The purpose of the present invention is to provide a fixing device for Bailey plates of a steel trestle bridge and a fixing method thereof to solve the above problems.

[0005] The present invention achieves the above purpose through the following technical solutions. A fixing device for Bailey plates of a steel trestle bridge includes Bailey plates and I-beams. The Bailey plates and the I-beams are welded together. Clamping plate installation mechanisms are arranged on the front and back of the connection between the Bailey plates and the I-beams.

[0006] A bolt positioning installation mechanism is arranged between the top of the I-beam and the Bailey plates, and the bolt positioning installation mechanism is located in the middle of the clamping plate installation mechanism.

[0007] An installation reinforcement mechanism is arranged between the bottom of the I-beam and one side of the Bailey plates.

[0008] Preferably, the clamping plate installation mechanism includes a first U-shaped clamping plate and a second U-shaped clamping plate. The inner sides of the tops of the first U-shaped clamping plate and the second U-shaped clamping plate are both welded to the I-beam. The inner sides of the bottoms of the first U-shaped clamping plate and the second U-shaped clamping plate are both welded to the inner side of the outer frame of the Bailey plates. The first U-shaped clamping plate and the second U-shaped clamping plate are fixedly connected.

[0009] Preferably, a first connecting strip and a second connecting strip are arranged between the first U-shaped clamping plate and the second U-shaped clamping plate, and the two ends of the first connecting strip and the two ends of the second connecting strip are respectively fixedly connected to the first U-shaped clamping plate and the second U-shaped clamping plate.

[0010] Preferably, the bolt positioning installation mechanism includes a bolt, a first positioning hole and a second positioning hole. The first positioning hole and the second positioning hole are respectively opened on the I-beam and the top of the Bailey plates. The bolt passes through the first positioning hole and the second positioning hole, and a nut is threadedly connected to the cylindrical surface of the bolt.

[0011] Preferably, both the first positioning hole and the second positioning hole are circular hole structures, and the apertures of the first positioning hole and the second positioning hole are the same.

[0012] Preferably, the installation and reinforcement mechanism includes a vertical rod and a first cross bar fixedly installed at the bottom of the vertical rod. Second cross bars are fixedly installed on both sides of the vertical rod. A third connecting piece, a first connecting piece, and a second connecting piece are respectively fixedly connected to the top of the vertical rod, both ends of the first cross bar, and one end of the second cross bar.

[0013] Preferably, the first connecting piece, the second connecting piece, and the third connecting piece are all rectangular plate-like structures, and their geometric dimensions are the same. The first connecting piece and the second connecting piece are both fixedly connected to the side wall of the Bailey truss, and the third connecting piece is fixedly connected to the bottom of the I-beam.

[0014] Preferably, a first reinforcing rib plate is fixedly installed between the vertical rod and the first cross bar.

[0015] Preferably, a second reinforcing rib plate is fixedly installed between the vertical rod and the second cross bar.

[0016] Preferably, a fixing method for a Bailey truss fixing device of a steel trestle bridge is obtained. The fixing method is characterized in that it includes the following steps:

[0017] I. Positioning and preliminary fixing: Align the Bailey truss and the I-beam through the first positioning hole and the second positioning hole, then insert bolts and screw nuts on the bolts until tightened to achieve preliminary fixing and positioning at the same time.

[0018] II. Welding at the connection: At the contact between the Bailey truss and the I-beam, connection is achieved through electric welding for reinforcement. The welding position is at the edge of the contact to form a weld seam.

[0019] III. Installation of the clip installation mechanism: First U-shaped clips and second U-shaped clips are installed on the front and back of each contact between the Bailey truss and the I-beam. The inner sides of the tops of the first U-shaped clips and the second U-shaped clips are in contact with the I-beam, and the inner sides of the bottoms of the first U-shaped clips and the second U-shaped clips are in contact with the inner side of the outer frame of the Bailey truss. Then welding is carried out to achieve four-corner reinforcement. A first connecting bar and a second connecting bar are welded between the first U-shaped clip and the second U-shaped clip for reinforcement of the clip installation mechanism.

[0020] IV. Installation of the reinforcement mechanism: The reinforcement mechanism is arranged at the bottom of the I-beam. The third connecting piece is welded to the bottom of the I-beam, and the first connecting piece and the second connecting piece are welded to the side wall of the Bailey truss to achieve installation and provide reinforcement for the connection between the Bailey truss and the I-beam at the same time.

[0021] The beneficial effects of the present invention are as follows:

[0022] 1. The fixing device and method for the Bailey sheet of the steel trestle are used for the fixed installation of the Bailey sheet. Through the setting of the bolt positioning and installation mechanism, preliminary fixing is achieved, and positioning is also realized, providing convenience for the subsequent reinforcement process;

[0023] 2. After the bolt positioning and installation mechanism is set for the fixing device and method for the Bailey sheet of the steel trestle, further through the setting of the clip installation mechanism, four-corner reinforcement can be provided at the connection between the Bailey sheet and the I-beam, improving the overall installation effect and ensuring stable installation;

[0024] 3. After the installation and reinforcement of the fixing device and method for the Bailey sheet of the steel trestle, a reinforcement mechanism is further set to support the side wall of the Bailey sheet and the bottom of the I-beam, thereby providing reinforcement for the entire structure and further improving the stability after installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0026] Figure 1 It is a three-dimensional view of the overall structure of the present invention;

[0027] Figure 2 It is a schematic structural diagram of the clip installation mechanism of the present invention;

[0028] Figure 3 It is a schematic structural diagram of the installation and reinforcement mechanism of the present invention;

[0029] Figure 4 It is a schematic structural diagram of the bolt positioning and installation mechanism of the present invention.

[0030] In the figure: 1. Bailey sheet, 2. I-beam, 3. Bolt, 4. First U-shaped clip, 5. Second U-shaped clip, 6. First connecting bar, 7. Second connecting bar, 8. First positioning hole, 9. Second positioning hole, 10. Nut, 11. Vertical bar, 12. First cross bar, 13. First stiffening rib plate, 14. First connecting piece, 15. Second cross bar, 16. Second connecting piece, 17. Third connecting piece, 18. Second stiffening rib plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0031] In order to make the objectives, features, and advantages of the present invention more obvious and understandable, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the embodiments described below 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 efforts shall fall within the protection scope of the present invention.

[0032] The technical solutions of the present invention will be further described below with reference to the accompanying drawings and through specific implementation manners.

[0033] In the description of the present invention, it should be understood that the orientation or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention. Embodiment

[0034] Please refer to Figures 1-4 As shown, a fixing device for a Bailey truss sheet of a steel trestle bridge includes a Bailey truss sheet 1 and an I-beam 2. The Bailey truss sheet 1 is welded to the I-beam 2. Clamping plate installation mechanisms are provided on both the front and back of the connection between the Bailey truss sheet 1 and the I-beam 2. After the bolt positioning installation mechanism is set for this fixing device of the Bailey truss sheet of the steel trestle bridge, further through the setting of the clamping plate installation mechanism, it can provide four-corner reinforcement for the connection between the Bailey truss sheet and the I-beam, improving the overall installation effect and the installation stability.

[0035] Please refer to Figure 1 , a bolt positioning installation mechanism is provided between the top of the I-beam 2 and the Bailey truss sheet 1, and the bolt positioning installation mechanism is located in the middle of the clamping plate installation mechanism; and an installation reinforcement mechanism is provided between the bottom of the I-beam 2 and one side of the Bailey truss sheet 1. The present invention is provided with a reinforcement mechanism to support the side wall of the Bailey truss sheet and the bottom of the I-beam, thereby providing reinforcement for the entire structure and further improving the stability after installation.

[0036] Please refer to Figure 1 , Figure 2 and Figure 4, the clip mounting mechanism includes a first U-shaped clip 4 and a second U-shaped clip 5. The inner sides of the tops of the first U-shaped clip 4 and the second U-shaped clip 5 are both welded to the I-beam 2, and the inner sides of the bottoms of the first U-shaped clip 4 and the second U-shaped clip 5 are both welded to the inner side of the outer frame of the Bailey truss 1. The first U-shaped clip 4 and the second U-shaped clip 5 are fixedly connected to achieve reinforcement, complete the four-corner reinforcement at the connection between the I-beam 2 and the Bailey truss 1, and improve the installation strength. A first connecting bar 6 and a second connecting bar 7 are arranged between the first U-shaped clip 4 and the second U-shaped clip 5, and the two ends of the first connecting bar 6 and the two ends of the second connecting bar 7 are respectively fixedly connected to the first U-shaped clip 4 and the second U-shaped clip 5. The first connecting bar 6 and the second connecting bar 7 fix between the first U-shaped clip 4 and the second U-shaped clip 5 to achieve a reinforcement structure. The bolt positioning and mounting mechanism includes a bolt 3, a first positioning hole 8, and a second positioning hole 9. The first positioning hole 8 and the second positioning hole 9 are respectively opened on the I-beam 2 and the top of the Bailey truss 1. The bolt 3 passes through the first positioning hole 8 and the second positioning hole 9, and a nut 10 is threadedly connected to the cylindrical surface of the bolt 3 to achieve preliminary fixation and positioning through the bolt 3 and the nut 10. The first positioning hole 8 and the second positioning hole 9 are both circular hole structures, and the apertures of the first positioning hole 8 and the second positioning hole 9 are the same. The first positioning hole 8 and the second positioning hole 9 achieve installation positioning. The installation and reinforcement mechanism includes a vertical rod 11 and a first cross bar 12 fixedly installed at the bottom of the vertical rod 11. Second cross bars 15 are fixedly installed on both sides of the vertical rod 11. A third connecting piece 17, a first connecting piece 14, and a second connecting piece 16 are respectively fixedly connected to the top of the vertical rod 11, the two ends of the first cross bar 12, and one end of the second cross bar 15 to reinforce the connection and improve the installation effect. The first connecting piece 14, the second connecting piece 16, and the third connecting piece 17 are all rectangular plate-like structures, and the geometric dimensions between the first connecting piece 14, the second connecting piece 16, and the third connecting piece 17 are the same. The first connecting piece 14 and the second connecting piece 16 are both fixedly connected to the side wall of the Bailey truss 1, and the third connecting piece 17 is fixedly connected to the bottom of the I-beam 2 to provide a surface for fixed installation. A first reinforcing rib plate 13 is fixedly installed between the vertical rod 11 and the first cross bar 12 to reinforce the connection between the vertical rod 11 and the first cross bar 12. A second reinforcing rib plate 18 is fixedly installed between the vertical rod 11 and the second cross bar 15 to reinforce the connection between the vertical rod 11 and the second cross bar 15. Embodiment

[0037] On the basis of Embodiment 1, the present invention installs the device, and a fixing method for a steel trestle Bailey truss fixing device is obtained. In the actual use process, the fixing method includes the following steps:

[0038] (1) Positioning and preliminary fixation: The Bailey lattice girder 1 and the I-beam 2 are aligned through the first positioning hole 8 and the second positioning hole 9, and then the bolt 3 is inserted, and the nut 10 is screwed onto the bolt 3 until it is tightened to achieve preliminary fixation and positioning at the same time.

[0039] (2) Welding at the connection: The contact between the Bailey lattice girder 1 and the I-beam 2 is connected by electric welding to reinforce the connection. The welding position is at the edge of the contact to form a weld seam.

[0040] (3) Installation of the clip mounting mechanism: The first U-shaped clip 4 and the second U-shaped clip 5 are installed on the front and back of each contact between the Bailey lattice girder 1 and the I-beam 2. The inner side of the top of the first U-shaped clip 4 and the inner side of the top of the second U-shaped clip 5 are in contact with the I-beam 2, and the inner side of the bottom of the first U-shaped clip 4 and the inner side of the bottom of the second U-shaped clip 5 are in contact with the inner side of the outer frame of the Bailey lattice girder 1. Then welding is carried out to achieve four-corner reinforcement. The first connecting strip 6 and the second connecting strip 7 are welded between the first U-shaped clip 4 and the second U-shaped clip 5 to reinforce the clip mounting mechanism.

[0041] (4) Installation of the reinforcement mechanism: The reinforcement mechanism is arranged at the bottom of the I-beam 2. The third connecting piece 17 is welded to the bottom of the I-beam 2, and the first connecting piece 14 and the second connecting piece 16 are welded to the side wall of the Bailey lattice girder 1 to achieve installation and provide reinforcement for the connection between the Bailey lattice girder 1 and the I-beam 2 at the same time.

[0042] The fixed device and its fixing method of the steel trestle Bailey lattice girder of the present invention are used for the fixed installation of the Bailey lattice girder. Through the setting of the bolt positioning installation mechanism, preliminary fixation is achieved, and positioning is achieved at the same time, providing convenience for the subsequent reinforcement process.

[0043] The circuits, electronic components and modules involved are all prior arts, which can be fully realized by those skilled in the art without further elaboration. The content protected by the present invention does not involve the improvement of software and methods either.

[0044] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the same elements of the claims are intended to be embraced within the present invention. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0045] As described above, the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A fixing device for Bailey sheets of a steel trestle bridge, characterized in that: It includes Bailey plates (1) and I-beams (2). The Bailey plates (1) are welded to the I-beams (2). Clamp installation mechanisms are provided on both the front and back of the connection between the Bailey plates (1) and the I-beams (2). A bolt positioning and installation mechanism is provided between the top of the I-beam (2) and the Bailey plate (1), and the bolt positioning and installation mechanism is located in the middle of the clamp installation mechanism. An installation and reinforcement mechanism is provided between the bottom of the I-beam (2) and one side of the Bailey plate (1). The clamp installation mechanism includes a first U-shaped clamp (4) and a second U-shaped clamp (5). The inner sides of the tops of the first U-shaped clamp (4) and the second U-shaped clamp (5) are both welded to the I-beam (2). The inner sides of the bottoms of the first U-shaped clamp (4) and the second U-shaped clamp (5) are both welded to the inner side of the outer frame of the Bailey plate (1). The first U-shaped clamp (4) and the second U-shaped clamp (5) are fixedly connected. A first connecting bar (6) and a second connecting bar (7) are provided between the first U-shaped clamp (4) and the second U-shaped clamp (5), and the two ends of the first connecting bar (6) and the two ends of the second connecting bar (7) are respectively fixedly connected to the first U-shaped clamp (4) and the second U-shaped clamp (5). The bolt positioning and installation mechanism includes a bolt (3), a first positioning hole (8) and a second positioning hole (9). The first positioning hole (8) and the second positioning hole (9) are respectively opened on the I-beam (2) and the top of the Bailey plate (1). The bolt (3) passes through the first positioning hole (8) and the second positioning hole (9), and a nut (10) is threadedly connected to the cylindrical surface of the bolt (3). Both the first positioning hole (8) and the second positioning hole (9) are circular hole structures, and the diameters of the first positioning hole (8) and the second positioning hole (9) are the same.

2. The steel trestle Bailey slice fixing device according to claim 1, characterized in that: The installation and reinforcement mechanism includes a vertical rod (11) and a first cross bar (12) fixedly installed at the bottom of the vertical rod (11). Second cross bars (15) are fixedly installed on both sides of the vertical rod (11). Third connecting pieces (17), first connecting pieces (14) and second connecting pieces (16) are respectively fixedly connected to the top of the vertical rod (11), the two ends of the first cross bar (12) and one end of the second cross bar (15).

3. The steel trestle Bailey sheet fixing device according to claim 2, characterized in that: The first connecting piece (14), the second connecting piece (16) and the third connecting piece (17) are all rectangular plate-like structures, and the geometric dimensions of the first connecting piece (14), the second connecting piece (16) and the third connecting piece (17) are the same. The first connecting piece (14) and the second connecting piece (16) are both fixedly connected to the side wall of the Bailey plate (1). The third connecting piece (17) is fixedly connected to the bottom of the I-beam (2).

4. The steel trestle Bailey slice fixing device according to claim 2, characterized in that: A first reinforcing rib plate (13) is fixedly installed between the vertical rod (11) and the first cross bar (12).

5. The steel trestle Bailey sheet fixing device according to claim 2, characterized in that: A second reinforcing rib plate (18) is fixedly installed between the vertical rod (11) and the second cross bar (15).

6. A fixing method for the Bailey sheet fixing device of the steel trestle bridge according to any one of claims 1-5, characterized in that: The fixing method includes the following steps: I. Positioning and preliminary fixation: The Bailey beam (1) and the I-beam (2) are aligned through the first positioning hole (8) and the second positioning hole (9), then the bolt (3) is inserted, and the nut (10) is screwed onto the bolt (3) until tightened to achieve preliminary fixation and positioning at the same time. II. Welding at the joint: The contact between the Bailey beam (1) and the I-beam (2) is connected by electric welding to reinforce the connection. The welding position is at the edge of the contact to form a weld seam. III. Installation of the clip installation mechanism: The first U-shaped clip (4) and the second U-shaped clip (5) are installed on the front and back of each contact between the Bailey beam (1) and the I-beam (2). The inner side of the top of the first U-shaped clip (4) and the inner side of the top of the second U-shaped clip (5) are in contact with the I-beam (2), and the inner side of the bottom of the first U-shaped clip (4) and the inner side of the bottom of the second U-shaped clip (5) are in contact with the inner side of the outer frame of the Bailey beam (1). Then welding is carried out to achieve four-corner reinforcement. The first connecting strip (6) and the second connecting strip (7) are welded between the first U-shaped clip (4) and the second U-shaped clip (5) to reinforce the clip installation mechanism. IV. Installation of the reinforcement mechanism: The reinforcement mechanism is arranged at the bottom of the I-beam (2). The third connecting piece (17) is welded to the bottom of the I-beam (2), and the first connecting piece (14) and the second connecting piece (16) are welded to the side wall of the Bailey beam (1) to achieve installation and provide reinforcement for the connection between the Bailey beam (1) and the I-beam (2) at the same time.

Images