Novel narrow steel box girder type composite beam

Abstract

The utility model discloses a novel narrow steel box girder type composite girder, which comprises a box girder combined steel girder device, a top beam plate, a top plate reinforcing rib plate arranged on the bottom surface of the top beam plate, a bottom plate corresponding to the top plate reinforcing rib plate, and a web plate component arranged between the top plate reinforcing rib plate and the bottom plate, a cross beam is arranged between the opposite web plate assemblies, and each web plate assembly comprises a first transverse partition plate, second transverse partition plates oppositely parallel to the first transverse partition plate and a frame-type third transverse partition plate installed between the opposite second transverse partition plates. In the assembling process of the steel box girder combination beam, the position of a top plate is limited, a fixed beam plate on a hoisted top beam plate is in contact with a guide block, a roller is in rolling connection with a guide rotary drum, the guide effect on the fixed beam plate and the top beam plate is achieved, the bottom end of the fixed beam plate is installed in a rectangular groove, the top beam plate is guided and limited in the installation process, and the installation efficiency is improved. The top beam plate can be accurately installed, and deflection of the top beam plate is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel beam structures, and in particular relates to a novel narrow steel box beam type composite beam. Background Art

[0002] Steel beam is a kind of composite beam. Commonly used welded steel beams are mostly I-section and box-section composed of upper and lower flange plates and web plates. Steel beams are easily processed and have low costs, so they are widely used in steel beam bridges. Steel beam bridges include simply supported or continuous steel plate beams and steel truss beam bridges. One of the methods for erecting steel beam bridges is the hoisting method, which involves hoisting the steel beam to a suitable position using hoisting equipment, and then hoisting the bridge deck to be installed on the steel beam.

[0003] There are many types of steel beams. A narrow box-frame steel beam is one type of steel beam, which is mainly composed of a top plate, a bottom plate, a narrow box-frame web, top plate stiffening ribs and tension zone stiffening ribs. When the above-mentioned steel box beam is hoisted and assembled, the hoisted top plate is installed on the web. The position of the top plate needs to be carefully adjusted to align it with the web in a fixed position. The position of the top plate needs to be constantly adjusted to avoid it from tilting. It takes time to adjust and is relatively cumbersome. When assembling a steel box beam composite beam, there is a design problem that there is no limit on the position of the top plate. For this reason, the present application proposes a new narrow steel box beam type composite beam. Utility Model Content

[0004] The utility model aims to provide a novel narrow steel box girder composite beam to solve the problem of the design of no limit on the top plate position during the assembly process of the steel box girder composite beam proposed in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: a new narrow steel box beam composite beam, comprising

[0006] A box beam composite steel beam device, comprising a top beam plate, a top plate reinforcing rib plate installed on the bottom surface of the top beam plate, a bottom plate corresponding to the top plate reinforcing rib plate, a web plate assembly installed between the top plate reinforcing rib plate and the bottom plate, a cross beam is arranged between the opposing web plate assemblies, the web plate assembly comprises a first transverse diaphragm, a second transverse diaphragm opposite and parallel to the first transverse diaphragm, and a third transverse diaphragm installed between the opposing second transverse diaphragms and in a frame-type, a reinforcing filler is arranged between the top beam plate and the top plate reinforcing rib plate, and a positioning steel piece is arranged on the side of the first transverse diaphragm;

[0007] The rolling assembly comprises a fixed beam plate installed on the bottom surface of the top beam plate, a fixed shaft installed on the bottom end of the fixed beam plate, and a roller rotatably sleeved on the outside of the fixed shaft;

[0008] The guide assembly comprises a support block mounted on the side of the first transverse partition, a guide block mounted on the inner side wall of the support block, and a guide rotating drum rotatably connected to the guide block;

[0009] The reinforcement part includes a fixed inclined plate installed on the bottom surface of the top beam plate, a support beam assembled in a split manner between the fixed inclined plate and the support block, and a limit beam installed in a split manner between the fixed inclined plate and the support beam.

[0010] Preferably, the support block comprises a lower horizontal portion and an upper inclined portion, a slot cooperating with a positioning steel piece is provided on the side of the lower horizontal portion of the support block, and the support beam is matched with a surface opposite to the upper inclined portion.

[0011] Preferably, a supporting steel member having a right-angled triangle cross section is provided on the side surface of the first transverse partition, and the right-angled surface at the top end of the supporting steel member is consistent with the surface of the lower horizontal portion.

[0012] Preferably, the surface of the support beam facing the guide block is tangent to the guide drum, and a rectangular groove for embedding the bottom end of the fixed beam plate is provided on the inclined surface of the obtuse triangle guide block.

[0013] Preferably, a frame groove is provided between the opposite surfaces of the fixed inclined plate and the support beam, and the limiting beam having a frame structure in cross section cooperates with the frame groove.

[0014] Preferably, the surface of the base plate is provided with a reinforcing assembly distributed between the first transverse partition and the second transverse partition, and the reinforcing assembly includes a frame-type limiting plate connected to the base plate at the bottom end, a fourth transverse partition installed on the opposite surfaces of the first transverse partition and the second transverse partition, and a split-installed bottom beam member, and an installation groove cooperating with the bottom beam member is opened on the bottom surface of the limiting plate.

[0015] Preferably, the fourth transverse partition is an isosceles trapezoidal shape with a hollow interior, a positioning groove cooperating with the fourth transverse partition is provided on the opposite surface of the limit plate, the fourth transverse partitions on the first and second transverse partitions are alternately distributed, and a reinforcing pipe column passes through the bottom beam.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] In the utility model, a design for limiting the position of the top plate is provided during the assembly process of the steel box girder composite beam, the fixed beam plate on the hoisted top beam plate is in contact with the guide block, the roller is rollingly connected with the guide drum, and a guiding effect on the fixed beam plate and the top beam plate is achieved, so that the bottom end of the fixed beam plate is installed in the rectangular groove, so that the installation process of the top beam plate is guided and limited, which is conducive to the accurate installation of the top beam plate and avoids its skewness. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 For the utility model Figure 1 A schematic diagram of the enlarged structure of the middle part A;

[0020] Figure 3 For the utility model Figure 1 The enlarged structural diagram of the middle B part;

[0021] In the figure: 1. top beam plate; 2. top plate reinforcing rib plate; 4. bottom plate; 5. cross beam; 6. support block; 7. guide block; 8. support beam; 9. limit plate; 11. reinforcement filler; 12. fixed beam plate; 13. fixed inclined plate; 31. first transverse diaphragm; 32. second transverse diaphragm; 33. third transverse diaphragm; 71. guide drum; 81. limit beam; 91. fourth transverse diaphragm; 92. bottom beam member; 121. fixed shaft; 122. roller; 311. positioning steel member; 312. supporting steel member; 921. strengthening pipe column. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example

[0024] See also Figures 1 to 3The utility model provides a technical solution: a novel narrow steel box beam type composite beam, including a box beam composite steel beam device, including a top beam plate 1, a top plate reinforcing rib plate 2 installed on the bottom surface of the top beam plate 1, a bottom plate 4 corresponding to the top plate reinforcing rib plate 2, and a web plate assembly installed between the top plate reinforcing rib plate 2 and the bottom plate 4. The top beam plate 1 and the top plate reinforcing rib plate 2 are combined by a conventional method, and a cross beam 5 is arranged between the opposite web plate assemblies. The web plate assembly includes a first transverse diaphragm 31, a second transverse diaphragm 32 opposite to and parallel to the first transverse diaphragm 31, and a frame installed between the opposite second transverse diaphragms 32. The third transverse diaphragm 33 of the type, the second transverse diaphragm 32 is installed at a position between the symmetrical first transverse diaphragms 31, the two ends of the cross beam 5 are combined with the first transverse diaphragm 31 by a conventional method, a reinforcing filler 11 is provided between the top beam plate 1 and the top plate reinforcing rib plate 2, and a positioning steel piece 311 is provided on the side of the first transverse diaphragm 31, and the positioning steel piece 311 is combined with the first transverse diaphragm 31 by a conventional method. The positioning steel piece 311 plays a role of limiting and supporting, so that the support block 6 is accurately installed; the rolling assembly includes a fixed beam plate 12 installed on the bottom surface of the top beam plate 1, and a fixed shaft 1 installed on the bottom end of the fixed beam plate 12 21. Rotate the roller 122 sleeved on the outside of the fixed shaft 121. When the top beam 1 is hoisted, the roller 122 on the bottom end of the fixed beam 12 is rollingly connected with the guide drum 71 to guide the fixed beam 12 and the top beam 1, which is conducive to the accurate installation of the top beam 1 and avoids its skew; the guide assembly includes a support block 6 installed on the side of the first transverse partition 31, a guide block 7 installed on the inner wall of the support block 6, and a guide drum 71 rotatably connected to the guide block 7. The support block 6 and the positioning steel member 311 are combined by a conventional method. The guide block 7 supports the guide drum 71. The guide drum 71 The position of the guide roller 122 enables the hoisted fixed beam plate 12 and the top beam plate 1 to be installed at the predetermined position; the reinforcement part includes a fixed inclined plate 13 installed on the bottom surface of the top beam plate 1, a support beam 8 assembled in a split manner between the fixed inclined plate 13 and the support block 6, and a limit beam 81 installed in a split manner between the fixed inclined plate 13 and the support beam 8. The fixed inclined plate 13 and the top beam plate 1 are combined by conventional methods, and the support beam 8 supports the fixed inclined plate 13 and the top beam plate 1. The support block 6, the guide block 7 and the support beam 8 serve as a diagonal bracing structure between the first transverse partition 31 and the top beam plate 1 to increase stability.

[0025] In this embodiment, the support block 6 includes a lower horizontal portion and an upper inclined portion. A slot cooperating with the positioning steel member 311 is provided on the side of the lower horizontal portion of the support block 6. The support block 6 is accurately installed on the outer side of the positioning steel member 311. The support beam 8 is consistent with the surface opposite to the upper inclined portion. The support beam 8 is fitted with the support block 6. The support block 6, the guide block 7 and the support beam 8 serve as a diagonal bracing structure between the first cross partition 31 and the top beam plate 1 to increase stability.

[0026] In this embodiment, a supporting steel member 312 having a right-angled triangle cross-section is provided on the side of the first transverse partition 31. The right-angled surface at the top of the supporting steel member 312 is consistent with the surface of the lower horizontal portion. The supporting steel member 312 is designed as a reinforcing rib to increase the firmness of the installation of the supporting block 6.

[0027] In this embodiment, the surface of the supporting beam 8 facing the guide block 7 is tangent to the guide drum 71, and a rectangular groove is provided on the inclined surface of the obtuse triangle guide block 7 for the bottom end of the fixed beam plate 12 to be embedded. The roller 122 is rollingly connected with the guide drum 71 to realize the guiding effect on the fixed beam plate 12 and the top beam plate 1, so that the bottom end of the fixed beam plate 12 is installed in the rectangular groove, which is conducive to the accurate installation of the top beam plate 1 and avoids its skewness.

[0028] In this embodiment, a frame groove is opened between the opposite surfaces of the fixed inclined plate 13 and the supporting beam 8, and a limiting beam 81 with a frame structure in cross section cooperates with the frame groove to limit the fixed inclined plate 13 and the supporting beam 8.

[0029] In this embodiment, the surface of the bottom plate 4 is provided with a reinforcement component distributed between the first diaphragm 31 and the second diaphragm 32, and the reinforcement component includes a frame-type limit plate 9 connected to the bottom plate 4 at the bottom end, a fourth diaphragm 91 installed on the opposite surface of the first diaphragm 31 and the second diaphragm 32, and a split-type bottom beam 92. The limit plate 9 is combined with the bottom plate 4 by a conventional method, and a mounting groove matching the bottom beam 92 is opened on the bottom surface of the limit plate 9. The fourth diaphragm 91 is an isosceles ladder with a hollow interior. The limiting plate 9 has a shape, and a positioning groove cooperating with the fourth transverse partition 91 is opened on the opposite surface of the limiting plate 9. The fourth transverse partition 91 is combined with the first transverse partition 31 and the second transverse partition 32 by conventional methods. The limiting plate 9 limits the fourth transverse partition 91. The fourth transverse partitions 91 on the first transverse partition 31 and the second transverse partition 32 are alternately distributed. A reinforcing pipe column 921 passes through the bottom beam 92. The bottom beam 92 limits the limiting plate 9. The reinforcing pipe column 921 increases the structural strength of the bottom beam 92, so that the bottom end of the limiting plate 9 is installed firmly.

[0030] The working principle and use process of this utility model:

[0031] When the steel box girder composite beam is assembled, the top beam plate 1 is hoisted so that it is opposed to the web plate of the narrow box frame type formed with the first transverse diaphragm 31 and the second transverse diaphragm 32;

[0032] The fixed beam plate 12 on the hoisted top beam plate 1 contacts the guide block 7, and the roller 122 is rollingly connected with the guide drum 71 to achieve the guiding effect on the fixed beam plate 12 and the top beam plate 1, so that the bottom end of the fixed beam plate 12 is installed in the rectangular groove, which is conducive to the accurate installation of the top beam plate 1 and avoids its skewness;

[0033] The support beam 8 is fitted with the support block 6, and the support block 6, the guide block 7 and the support beam 8 serve as a diagonal bracing structure between the first transverse diaphragm 31 and the top beam 1 to increase stability;

[0034] The limiting beam 81 passes through the supporting beam 8, and the limiting beam 81 limits the fixed inclined plate 13 and the supporting beam 8;

[0035] The limiting plate 9 limits the fourth transverse partition 91, and the fourth transverse partitions 91 on the first transverse partition 31 and the second transverse partition 32 are alternately distributed. A reinforcing column 921 runs through the bottom beam 92, and the bottom beam 92 limits the limiting plate 9. The reinforcing column 921 increases the structural strength of the bottom beam 92, so that the bottom end of the limiting plate 9 is installed stably;

[0036] To sum up: during the assembly process of the steel box girder composite beam, there is a design to limit the position of the top plate. The fixed beam plate 12 on the hoisted top beam plate 1 is in contact with the guide block 7, and the roller 122 is rollingly connected with the guide drum 71 to achieve the guiding effect on the fixed beam plate 12 and the top beam plate 1, so that the bottom end of the fixed beam plate 12 is installed in the rectangular groove, so that the installation process of the top beam plate 1 is guided and limited, which is conducive to the accurate installation of the top beam plate 1 and avoids its skewness.

[0037] Although the embodiments of the present invention have been shown and described (see the above detailed description for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A new type of narrow steel box beam composite beam, characterized by: include A box beam composite steel beam device comprises a top beam plate (1), a top plate reinforcing rib plate (2) installed on the bottom surface of the top beam plate (1), a bottom plate (4) corresponding to the top plate reinforcing rib plate (2), a web plate assembly installed between the top plate reinforcing rib plate (2) and the bottom plate (4), a cross beam (5) being arranged between the opposing web plate assemblies, the web plate assembly comprising a first transverse diaphragm (31), a second transverse diaphragm (32) opposite and parallel to the first transverse diaphragm (31), and a third transverse diaphragm (33) installed between the opposing second transverse diaphragms (32) and in a frame-like manner, a reinforcing filler (11) being arranged between the top beam plate (1) and the top plate reinforcing rib plate (2), and a positioning steel piece (311) being arranged on the side of the first transverse diaphragm (31); The rolling assembly comprises a fixed beam plate (12) mounted on the bottom surface of the top beam plate (1), a fixed shaft (121) mounted on the bottom end of the fixed beam plate (12), and a roller (122) rotatably sleeved on the outside of the fixed shaft (121); The guide assembly comprises a support block (6) mounted on the side of the first transverse partition (31), a guide block (7) mounted on the inner side wall of the support block (6), and a guide rotating drum (71) rotatably connected to the guide block (7); The reinforcement member comprises a fixed inclined plate (13) installed on the bottom surface of the top beam plate (1), a support beam (8) assembled in a split manner between the fixed inclined plate (13) and the support block (6), and a limit beam (81) installed in a split manner between the fixed inclined plate (13) and the support beam (8).

2. The novel narrow steel box beam composite beam according to claim 1 is characterized in that: The support block (6) comprises a lower horizontal portion and an upper inclined portion. A slot matching the positioning steel piece (311) is provided on the side of the lower horizontal portion of the support block (6). The support beam (8) matches the surface opposite to the upper inclined portion.

3. The novel narrow steel box beam composite beam according to claim 2 is characterized in that: A supporting steel piece (312) having a right-angled triangle cross section is provided on the side surface of the first transverse partition (31), and the right-angled surface at the top end of the supporting steel piece (312) is consistent with the surface of the lower horizontal portion.

4. The novel narrow steel box beam composite beam according to claim 1 is characterized in that: The surface of the support beam (8) facing the guide block (7) is tangent to the guide drum (71), and a rectangular groove for embedding the bottom end of the fixed beam plate (12) is provided on the obtuse triangle inclined surface of the guide block (7).

5. The novel narrow steel box beam composite beam according to claim 1 is characterized in that: A frame groove is provided between the opposing surfaces of the fixed inclined plate (13) and the support beam (8), and the limiting beam (81) having a frame structure in cross section cooperates with the frame groove.

6. The novel narrow steel box beam composite beam according to claim 1 is characterized in that: The surface of the bottom plate (4) is provided with a reinforcing assembly distributed between the first transverse partition (31) and the second transverse partition (32), the reinforcing assembly comprising a frame-type limiting plate (9) whose bottom end is connected to the bottom plate (4), a fourth transverse partition (91) installed on the opposite surfaces of the first transverse partition (31) and the second transverse partition (32), and a split-type installed bottom beam member (92), and a mounting groove matching the bottom beam member (92) is provided on the bottom surface of the limiting plate (9).

7. The novel narrow steel box beam composite beam according to claim 6 is characterized in that: The fourth transverse partition (91) is in the shape of an isosceles trapezoid with a hollow interior. A positioning groove cooperating with the fourth transverse partition (91) is provided on the surface opposite to the limiting plate (9). The fourth transverse partitions (91) on the first transverse partition (31) and the second transverse partition (32) are alternately distributed. A reinforcing pipe column (921) passes through the bottom beam (92).

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