Reversible deformation limiting device for butt weld of steel box girder plate unit

Abstract

The utility model discloses a steel box girder plate unit butt weld reversible deformation limiting device which solves the technical problems that an existing reversible deformation device is complex in structure and can affect the machining and assembling progress or the overall assembling and machining precision of a steel box girder box body. The device comprises a horizontal working platform, a pair of side position limiting mechanisms which are arranged on the two sides of the working platform and used for conducting limiting and reversible deformation on a steel box girder plate to be welded, and a web position limiting mechanism which is arranged on the working platform and used for conducting pressing and reversible deformation on the steel box girder plate to be welded. The working platform is provided with a long-strip-shaped groove hole which is used for giving way for welding operation of a butt welding seam of a steel box beam plate to be welded. The tool is simple in structure, scientific and reasonable in design and convenient to use, the assembling and machining efficiency can be effectively improved on the premise that the overall assembling and machining precision of the steel box girder box body is guaranteed, and the overall assembling and machining progress of the steel box girder box body is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of building structures, and in particular relates to a steel box beam plate unit butt weld anti-deformation limiting device. Background Art

[0002] During the processing, large steel box girders need to be split into different plate units for separate processing, and then assembled and welded together to form a complete steel box girder body. Among them, a single U-rib plate unit can be assembled and welded through the anti-deformation device provided by the U-rib internal and external welding equipment to meet the requirements of welding deformation. The assembly and welding between plate unit blocks is often completed on an infinite tire frame. Sometimes, due to the irregular deformation of welding, the flatness of the plate unit after splicing will change significantly, thus affecting the subsequent assembly and processing accuracy of the entire box. The existing anti-deformation devices are either complex in structure, affecting the processing and assembly progress, or the anti-deformation effect does not meet the requirements, affecting the overall assembly and processing accuracy of the steel box girder body.

[0003] Therefore, designing a steel box girder plate unit butt weld anti-deformation limiting device can effectively improve the assembly efficiency and ensure the overall assembly progress of the steel box girder box while ensuring the overall assembly accuracy of the steel box girder box, which has become a technical problem that needs to be urgently solved by technicians in the relevant technical field. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a steel box beam plate unit butt weld anti-deformation limiting device to at least solve part of the above technical problems.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] A steel box girder plate unit butt weld anti-deformation limiting device comprises a horizontal working platform, a pair of lateral limiting mechanisms arranged on both sides of the working platform for limiting the anti-deformation of the steel box girder plate to be welded, and a belly limiting mechanism arranged on the working platform for pressing and anti-deformation of the steel box girder plate to be welded; a long strip-shaped slot hole is provided on the working platform for making way for the welding operation of the butt weld of the steel box girder plate to be welded.

[0007] Furthermore, the side limiting mechanism includes a limiting channel steel arranged on the side of the working platform, and a pressing mechanism arranged in the limiting channel steel for pressing the steel box girder plate to be welded against the working platform.

[0008] Furthermore, the clamping mechanism includes a sleeve fixedly installed on the inner top wall of the limiting channel steel by bolts, and a clamping bolt threadedly connected in the sleeve for pressing the steel box girder plate to be welded against the working platform.

[0009] Furthermore, the bottom of the sleeve is sealed and a connecting plate is provided on the top. The connecting plate is fixed to the inner top wall of the limiting channel steel by bolts. A clearance hole A matched with the clamping bolt is opened on the bottom sealing plate. A nut A matched with the clamping bolt is welded on the bottom sealing plate. The clamping bolt is threadedly connected to the nut A and extends into the sleeve through the clearance hole A.

[0010] Furthermore, a reinforcing mechanism is provided in the sleeve.

[0011] Furthermore, the reinforcing mechanism includes a reinforcing diaphragm arranged in the sleeve, a clearance hole B adapted to the clamping bolt is opened on the reinforcing diaphragm, a nut B adapted to the clamping bolt is welded on the reinforcing diaphragm, and the clamping bolt is threadedly connected in the nut B and passes through the clearance hole B.

[0012] Furthermore, the limiting channel steel is welded and fixed on the side of the working platform in a horizontal U shape, and a plurality of clamping mechanisms are arranged on one limiting channel steel, and the clamping mechanisms are evenly arranged along the length direction of the limiting channel steel.

[0013] Furthermore, it also includes an I-beam, the top wing plate of the I-beam is fixedly connected to the working platform, and the bottom wing plate of the I-beam is fixedly connected to the working frame at the steel box beam plate welding station; each side limit mechanism and each belly limit mechanism corresponds to an I-beam.

[0014] Furthermore, the belly position limiting mechanism includes a T-shaped steel plate, which is fixedly connected to the corresponding I-shaped steel beam by bolts, and the working platform and the corresponding steel box beam plate to be welded are clamped between the T-shaped steel plate and the corresponding I-shaped steel beam.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The utility model has the advantages of simple structure, scientific and reasonable design, and easy use. On the premise of ensuring the overall assembly processing accuracy of the steel box beam body, the utility model can also effectively improve the assembly processing efficiency and ensure the overall assembly processing progress of the steel box beam body.

[0017] The utility model adopts a full-length T-shaped steel plate and a group of side limiting mechanisms to jointly limit the anti-deformation. The side limiting mechanisms are also provided with a plurality of clamping mechanisms, so as to realize the full-length and multi-point fastening of the welded steel box girder plate, and the anti-deformation effect is better, and the overall assembly processing accuracy of the steel box girder body can be effectively guaranteed. The utility model has a simple structure and is easy to operate, and can effectively improve the overall assembly processing efficiency of the steel box girder body and ensure the overall assembly processing progress of the steel box girder body.

[0018] The utility model can realize the assembly, welding and anti-deformation control between the steel box girder plate units in an integrated manner without the need for the conversion of the assembly cradle, and can effectively ensure the overall assembly processing progress of the steel box girder box body.

[0019] Compared with the existing anti-deformation structure, the utility model has a simple and reasonable structure, low cost, good economy, easy implementation, simple and easy-to-obtain manufacturing materials, simple installation and use, and convenient replacement and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the anti-deformation limiting device of the utility model.

[0021] Figure 2 It is a three-dimensional schematic diagram of the anti-deformation limiting device of the utility model.

[0022] Figure 3 This is a schematic diagram of the structure of the clamping mechanism of the utility model.

[0023] Figure 4 for Figure 3 AA view.

[0024] Figure 5 It is a schematic diagram of the clearance hole A (or clearance hole B) on the sleeve of the utility model.

[0025] Figure 6 The front state diagram is used for the present utility model.

[0026] Figure 7 A planar state diagram is used for the present utility model.

[0027] Figure 8 A three-dimensional state diagram is used for the present utility model.

[0028] The names corresponding to the reference numerals are:

[0029] 1-I-beam, 2-working platform, 3-limiting channel steel, 4-sleeve, 5-T-shaped steel plate, 6-steel box girder plate to be welded, 7-slot hole, 8-holding bolt, 9-connecting plate, 10-clearance hole A, 11-nut A, 12-reinforced cross diaphragm, 13-clearance hole B, 14-nut B, 15-holding mechanism, 16-butt weld. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings. 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 making creative work are within the scope of protection of the utility model.

[0031] Example 1.

[0032] like Figure 1-8As shown, the utility model provides a steel box girder plate unit butt weld anti-deformation limiting device, including a horizontal working platform 2, a pair of side limiting mechanisms arranged on both sides of the working platform 2 for limiting the anti-deformation of the steel box girder plate 6 to be welded, and a belly limiting mechanism arranged on the working platform 2 for pressing and anti-deformation of the steel box girder plate 6 to be welded; the working platform 2 is provided with a long strip-shaped slot 7 for making way for the welding operation of the butt weld 16 on the steel box girder plate 6 to be welded.

[0033] The utility model has the advantages of simple structure, scientific and reasonable design, and easy use. On the premise of ensuring the overall assembly processing accuracy of the steel box beam body, the utility model can also effectively improve the assembly processing efficiency and ensure the overall assembly processing progress of the steel box beam body.

[0034] The utility model can realize the assembly, welding and anti-deformation control between the steel box girder plate units in an integrated manner without the need for the conversion of the assembly cradle, and can effectively ensure the overall assembly processing progress of the steel box girder box body.

[0035] Compared with the existing anti-deformation structure, the utility model has a simple and reasonable structure, low cost, good economy, easy implementation, simple and easy-to-obtain manufacturing materials, simple installation and use, and convenient replacement and maintenance.

[0036] Example 2.

[0037] like Figure 1-8 As shown, the utility model provides a steel box girder plate unit butt weld anti-deformation limiting device, including a horizontal working platform 2, a pair of side limiting mechanisms arranged on both sides of the working platform 2 for limiting the anti-deformation of the steel box girder plate 6 to be welded, and a belly limiting mechanism arranged on the working platform 2 for pressing and anti-deformation of the steel box girder plate 6 to be welded; the working platform 2 is provided with a long strip-shaped slot 7 for making way for the welding operation of the butt weld 16 on the steel box girder plate 6 to be welded.

[0038] The side limiting mechanism includes a limiting channel steel 3 arranged on the side of the working platform 2, and a pressing mechanism 15 arranged in the limiting channel steel 3 for pressing the steel box girder plate 6 to be welded onto the working platform 2.

[0039] Based on Example 1, this Example 2 provides a more preferred structure of the side limit mechanism, specifically: the side limit mechanism includes a limit channel steel 3 arranged on the side of the working platform 2, and a clamping mechanism 15 arranged in the limit channel steel 3 for pressing the steel box girder plate 6 to be welded against the working platform 2. The steel box girder plate 6 to be welded is laid on the working platform 2, and its outer side is located in the limit channel steel 3, and is clamped and fixed on the working platform 2 by the clamping mechanism 15, and the other side is connected to another steel box girder plate 6 to be welded at the slot 7 to facilitate the welding operation, and at the same time, the deformation of the steel box girder plate 6 to be welded can be effectively avoided during the welding operation.

[0040] Example 3.

[0041] like Figure 1-8 As shown, the utility model provides a steel box girder plate unit butt weld anti-deformation limiting device, including a horizontal working platform 2, a pair of side limiting mechanisms arranged on both sides of the working platform 2 for limiting the anti-deformation of the steel box girder plate 6 to be welded, and a belly limiting mechanism arranged on the working platform 2 for pressing and anti-deformation of the steel box girder plate 6 to be welded; the working platform 2 is provided with a long strip-shaped slot 7 for making way for the welding operation of the butt weld 16 on the steel box girder plate 6 to be welded.

[0042] The side limiting mechanism includes a limiting channel steel 3 arranged on the side of the working platform 2, and a pressing mechanism 15 arranged in the limiting channel steel 3 for pressing the steel box girder plate 6 to be welded onto the working platform 2.

[0043] The clamping mechanism 15 includes a sleeve 4 fixedly mounted on the inner top wall of the limiting channel steel 3 by bolts, and a clamping bolt 8 threadedly connected in the sleeve 4 for pressing the steel box girder plate 6 to be welded against the working platform 2 .

[0044] Based on Example 2, this Example 3 provides a more preferred structure of the clamping mechanism 15, specifically: the clamping mechanism 15 includes a sleeve 4 fixedly installed on the inner top wall of the limiting channel steel 3 by bolts, and a clamping bolt 8 threadedly connected to the sleeve 4 for pressing the steel box girder plate 6 to be welded onto the working platform 2.

[0045] The clamping bolt 8 can be moved relative to the sleeve 4 by rotating the clamping bolt 8 , thereby clamping the steel box girder plate 6 to be welded onto the working platform 2 or loosening it from the working platform 2 .

[0046] Example 4.

[0047] like Figure 1-8 As shown, the utility model provides a steel box girder plate unit butt weld anti-deformation limiting device, including a horizontal working platform 2, a pair of side limiting mechanisms arranged on both sides of the working platform 2 for limiting the anti-deformation of the steel box girder plate 6 to be welded, and a belly limiting mechanism arranged on the working platform 2 for pressing and anti-deformation of the steel box girder plate 6 to be welded; the working platform 2 is provided with a long strip-shaped slot 7 for making way for the welding operation of the butt weld 16 on the steel box girder plate 6 to be welded.

[0048] The side limiting mechanism includes a limiting channel steel 3 arranged on the side of the working platform 2, and a pressing mechanism 15 arranged in the limiting channel steel 3 for pressing the steel box girder plate 6 to be welded onto the working platform 2.

[0049] The clamping mechanism 15 includes a sleeve 4 fixedly mounted on the inner top wall of the limiting channel steel 3 by bolts, and a clamping bolt 8 threadedly connected in the sleeve 4 for pressing the steel box girder plate 6 to be welded against the working platform 2 .

[0050] The bottom of the sleeve 4 is sealed, and a connecting plate 9 is provided on the top. The connecting plate 9 is fixed to the inner top wall of the limiting channel steel 3 by bolts. A clearance hole A10 compatible with the clamping bolt 8 is opened on the bottom sealing plate. A nut A11 compatible with the clamping bolt 8 is welded on the bottom sealing plate. The clamping bolt 8 is threadedly connected to the nut A11 and extends into the sleeve 4 through the clearance hole A10.

[0051] Based on Example 3, this Example 4 provides a more preferred structure of the sleeve 4, specifically: the bottom of the sleeve 4 is sealed, and a connecting plate 9 is provided on the top. The connecting plate 9 is fixed to the inner top wall of the limiting channel steel 3 by bolts, and a clearance hole A10 compatible with the clamping bolt 8 is opened on the bottom sealing plate. A nut A11 compatible with the clamping bolt 8 is welded on the bottom sealing plate. The clamping bolt 8 is threadedly connected to the nut A11 and extends into the sleeve 4 through the clearance hole A10.

[0052] Four through holes are provided on the connecting plate 9, and corresponding through holes are also provided on the top wall of the limiting channel steel 3. The connecting plate 9 and the top wall of the limiting channel steel 3 are fixed by bolts and nuts matched with the through holes, so that the sleeve 4 can be fixedly installed on the inner top wall of the limiting channel steel 3. The clamping bolt 8 is matched with the nut A11. When in use, the clamping bolt 8 can be rotated forward or reversely to loosen or clamp the steel box girder plate 6 to be welded. It is simple and practical, easy to operate, efficient, and has a good anti-deformation effect.

[0053] Example 5.

[0054] like Figure 1-8 As shown, the utility model provides a steel box girder plate unit butt weld anti-deformation limiting device, including a horizontal working platform 2, a pair of side limiting mechanisms arranged on both sides of the working platform 2 for limiting the anti-deformation of the steel box girder plate 6 to be welded, and a belly limiting mechanism arranged on the working platform 2 for pressing and anti-deformation of the steel box girder plate 6 to be welded; the working platform 2 is provided with a long strip-shaped slot 7 for making way for the welding operation of the butt weld 16 on the steel box girder plate 6 to be welded.

[0055] The side limiting mechanism includes a limiting channel steel 3 arranged on the side of the working platform 2, and a pressing mechanism 15 arranged in the limiting channel steel 3 for pressing the steel box girder plate 6 to be welded onto the working platform 2.

[0056] The clamping mechanism 15 includes a sleeve 4 fixedly mounted on the inner top wall of the limiting channel steel 3 by bolts, and a clamping bolt 8 threadedly connected in the sleeve 4 for pressing the steel box girder plate 6 to be welded against the working platform 2 .

[0057] The bottom of the sleeve 4 is sealed, and a connecting plate 9 is provided on the top. The connecting plate 9 is fixed to the inner top wall of the limiting channel steel 3 by bolts. A clearance hole A10 compatible with the clamping bolt 8 is opened on the bottom sealing plate. A nut A11 compatible with the clamping bolt 8 is welded on the bottom sealing plate. The clamping bolt 8 is threadedly connected to the nut A11 and extends into the sleeve 4 through the clearance hole A10.

[0058] A reinforcing mechanism is arranged inside the sleeve 4.

[0059] Based on Example 4, Example 5 provides a more preferred structure of the sleeve 4, specifically: a reinforcement mechanism is provided inside the sleeve 4.

[0060] By setting up a reinforcement mechanism, the structure of the side limit mechanism can be made more solid and stable, ensuring the stable implementation of the anti-deformation limit device. On the premise of ensuring the overall assembly processing accuracy of the steel box beam box body, the assembly processing efficiency can be effectively improved to ensure the overall assembly processing progress of the steel box beam box body.

[0061] Example 6.

[0062] like Figure 1-8 As shown, the utility model provides a steel box girder plate unit butt weld anti-deformation limiting device, including a horizontal working platform 2, a pair of side limiting mechanisms arranged on both sides of the working platform 2 for limiting the anti-deformation of the steel box girder plate 6 to be welded, and a belly limiting mechanism arranged on the working platform 2 for pressing and anti-deformation of the steel box girder plate 6 to be welded; the working platform 2 is provided with a long strip-shaped slot 7 for making way for the welding operation of the butt weld 16 on the steel box girder plate 6 to be welded.

[0063] The side limiting mechanism includes a limiting channel steel 3 arranged on the side of the working platform 2, and a pressing mechanism 15 arranged in the limiting channel steel 3 for pressing the steel box girder plate 6 to be welded onto the working platform 2.

[0064] The clamping mechanism 15 includes a sleeve 4 fixedly mounted on the inner top wall of the limiting channel steel 3 by bolts, and a clamping bolt 8 threadedly connected in the sleeve 4 for pressing the steel box girder plate 6 to be welded against the working platform 2 .

[0065] The bottom of the sleeve 4 is sealed, and a connecting plate 9 is provided on the top. The connecting plate 9 is fixed to the inner top wall of the limiting channel steel 3 by bolts. A clearance hole A10 compatible with the clamping bolt 8 is opened on the bottom sealing plate. A nut A11 compatible with the clamping bolt 8 is welded on the bottom sealing plate. The clamping bolt 8 is threadedly connected to the nut A11 and extends into the sleeve 4 through the clearance hole A10.

[0066] A reinforcing mechanism is arranged inside the sleeve 4.

[0067] The reinforcing mechanism includes a reinforcing diaphragm 12 arranged in the sleeve 4, and a clearance hole B13 compatible with the clamping bolt 8 is opened on the reinforcing diaphragm 12. A nut B14 compatible with the clamping bolt 8 is welded on the reinforcing diaphragm 12, and the clamping bolt 8 is threadedly connected in the nut B14 and passes through the clearance hole B13.

[0068] Based on Example 5, this Example 6 provides a more preferred structure of the reinforcement mechanism, specifically: the reinforcement mechanism includes a reinforcement diaphragm 12 arranged in the sleeve 4, the reinforcement diaphragm 12 is provided with a clearance hole B13 compatible with the clamping bolt 8, the reinforcement diaphragm 12 is welded with a nut B14 compatible with the clamping bolt 8, and the clamping bolt 8 is threadedly connected in the nut B14 and passes through the clearance hole B13.

[0069] By adding a reinforcing cross partition 12, on the one hand, the overall strength of the sleeve 4 can be effectively enhanced to prevent the sleeve 4 from deforming itself during the anti-deformation operation and affecting the anti-deformation operation effect of the steel box girder plate 6 to be welded; on the other hand, the connection strength between the clamping bolt 8 and the sleeve 4 can be effectively guaranteed to prevent it from loosening during the anti-deformation operation, thereby effectively ensuring the overall assembly processing accuracy of the steel box girder body.

[0070] Example 7.

[0071] like Figure 1-8 As shown, the utility model provides a steel box girder plate unit butt weld anti-deformation limiting device, including a horizontal working platform 2, a pair of side limiting mechanisms arranged on both sides of the working platform 2 for limiting the anti-deformation of the steel box girder plate 6 to be welded, and a belly limiting mechanism arranged on the working platform 2 for pressing and anti-deformation of the steel box girder plate 6 to be welded; the working platform 2 is provided with a long strip-shaped slot 7 for making way for the welding operation of the butt weld 16 on the steel box girder plate 6 to be welded.

[0072] The side limiting mechanism includes a limiting channel steel 3 arranged on the side of the working platform 2, and a pressing mechanism 15 arranged in the limiting channel steel 3 for pressing the steel box girder plate 6 to be welded onto the working platform 2.

[0073] The limiting channel steel 3 is welded and fixed on the side of the working platform 2 in a horizontal U shape. A plurality of clamping mechanisms 15 are arranged on one limiting channel steel 3 , and the clamping mechanisms 15 are evenly arranged along the length direction of the limiting channel steel 3 .

[0074] Based on Example 2, this Example 7 provides a more preferred structure of the limiting channel steel 3, specifically: the limiting channel steel 3 is welded and fixed on the side of the working platform 2 in a horizontal U shape, and there are multiple clamping mechanisms 15 on one limiting channel steel 3, and the clamping mechanisms 15 are evenly arranged along the length direction of the limiting channel steel 3.

[0075] The more clamping mechanisms 15 are arranged on a limiting channel steel 3, the better the effect of clamping and anti-deformation of the steel box girder plate 6 to be welded can be ensured. However, if there are too many clamping mechanisms 15, the overall welding efficiency of the steel box girder plate 6 to be welded will be reduced. Therefore, the spacing between adjacent clamping mechanisms 15 is preferably controlled at 50cm-80cm.

[0076] Example 8.

[0077] like Figure 1-8 As shown, the utility model provides a steel box girder plate unit butt weld anti-deformation limiting device, including a horizontal working platform 2, a pair of side limiting mechanisms arranged on both sides of the working platform 2 for limiting the anti-deformation of the steel box girder plate 6 to be welded, and a belly limiting mechanism arranged on the working platform 2 for pressing and anti-deformation of the steel box girder plate 6 to be welded; the working platform 2 is provided with a long strip-shaped slot 7 for making way for the welding operation of the butt weld 16 on the steel box girder plate 6 to be welded.

[0078] It also includes an I-beam 1, the top wing plate of the I-beam 1 is fixedly connected to the working platform 2, and the bottom wing plate of the I-beam 1 is fixedly connected to the working frame at the steel box beam plate welding station; each side limit mechanism and each belly limit mechanism corresponds to an I-beam 1.

[0079] Based on Example 1, this Example 8 provides a more preferred structure of the anti-deformation limiting device of the butt weld of the steel box girder plate unit, specifically: it also includes an I-beam 1, the top wing plate of the I-beam 1 is fixedly connected to the working platform 2, and the bottom wing plate of the I-beam 1 is fixedly connected to the working frame at the steel box girder plate welding station; each side limiting mechanism and each belly limiting mechanism corresponds to an I-beam 1.

[0080] The bottom surface of the limiting channel steel 3 is welded to the working platform 2 , and the bottom surface of the working platform 2 is welded to the top surface of the I-beam beam 1 . The limiting channel steel 3 is located directly above the corresponding I-beam beam 1 .

[0081] The working platform 2 is installed on the working frame at the steel box girder plate welding station through the I-beam 1. On the one hand, the setting of the I-beam 1 can provide an operating space for the welding between the two steel box girder plates 6 to be welded. On the other hand, there is no need to convert the assembly frame, which can effectively ensure the overall assembly and processing progress of the steel box girder box body. The I-beam 1 and the working platform 2 can be fixed by bolts or by welding. The I-beam 1 and the working frame at the steel box girder plate welding station can be fixed by bolts or by welding.

[0082] Example 9.

[0083] like Figure 1-8 As shown, the utility model provides a steel box girder plate unit butt weld anti-deformation limiting device, including a horizontal working platform 2, a pair of side limiting mechanisms arranged on both sides of the working platform 2 for limiting the anti-deformation of the steel box girder plate 6 to be welded, and a belly limiting mechanism arranged on the working platform 2 for pressing and anti-deformation of the steel box girder plate 6 to be welded; the working platform 2 is provided with a long strip-shaped slot 7 for making way for the welding operation of the butt weld 16 on the steel box girder plate 6 to be welded.

[0084] It also includes an I-beam 1, the top wing plate of the I-beam 1 is fixedly connected to the working platform 2, and the bottom wing plate of the I-beam 1 is fixedly connected to the working frame at the steel box beam plate welding station; each side limit mechanism and each belly limit mechanism corresponds to an I-beam 1.

[0085] The belly position limiting mechanism comprises a T-shaped steel plate 5 , which is fixedly connected to the corresponding I-shaped steel beam 1 by bolts, and the working platform 2 and the corresponding steel box beam plate 6 to be welded are clamped between the T-shaped steel plate 5 and the corresponding I-shaped steel beam 1 .

[0086] Based on Example 8, this Example 9 provides a more preferred structure of the belly position limiting mechanism, specifically: the belly position limiting mechanism includes a T-shaped steel plate 5, the T-shaped steel plate 5 is fixedly connected to the corresponding I-shaped steel beam 1 by bolts, and the working platform 2 and the corresponding steel box beam plate 6 to be welded are clamped between the T-shaped steel plate 5 and the corresponding I-shaped steel beam 1.

[0087] The utility model has the advantages of simple structure, scientific and reasonable design, and easy use. On the premise of ensuring the overall assembly processing accuracy of the steel box beam body, the utility model can also effectively improve the assembly processing efficiency and ensure the overall assembly processing progress of the steel box beam body.

[0088] The utility model adopts a full-length T-shaped steel plate and a group of side limiting mechanisms to jointly limit the anti-deformation. The side limiting mechanisms are also provided with a plurality of clamping mechanisms, so as to realize the full-length and multi-point fastening of the welded steel box girder plate, and the anti-deformation effect is better, and the overall assembly processing accuracy of the steel box girder body can be effectively guaranteed. The utility model has a simple structure and is easy to operate, and can effectively improve the overall assembly processing efficiency of the steel box girder body and ensure the overall assembly processing progress of the steel box girder body.

[0089] The utility model can realize the assembly, welding and anti-deformation control between the steel box girder plate units in an integrated manner without the need for the conversion of the assembly cradle, and can effectively ensure the overall assembly processing progress of the steel box girder box body.

[0090] Compared with the existing anti-deformation structure, the utility model has a simple and reasonable structure, low cost, good economy, easy implementation, simple and easy-to-obtain manufacturing materials, simple installation and use, and convenient replacement and maintenance.

[0091] The utility model anti-deformation limiting device is shown as follows Figure 1 and Figure 2 As shown, it is mainly composed of a large working platform, a side limit mechanism, a belly limit mechanism and an I-beam:

[0092] I-beam: The upper part is connected and fixed on the working platform, and the lower part is fixed on the working frame at the steel box girder plate welding station.

[0093] Working platform: A whole piece of steel plate that has been calibrated for horizontality, with a strip-shaped slot in the center to meet the welding requirements of the butt weld, and the two side edges and side limit mechanisms are connected to form a whole.

[0094] Side limiting mechanism: a limiting channel steel welded and fixed on the working platform, and a plurality of clamping mechanisms installed on the limiting channel steel. The steel box girder plate to be welded is clamped and fixed on the working platform through the clamping mechanisms.

[0095] Limiting channel steel: The limiting channel steel is welded and fixed on the working platform, and multiple groups of bolt holes are opened along the longitudinal direction and connected with multiple groups of clamping mechanisms to fix the limiting bolts.

[0096] Clamping mechanism: The upper part is fastened to the limiting channel steel by bolts, and several of them are arranged along the length direction of the limiting channel steel. The clamping bolts are rotated to realize their movement along the upper and lower sleeves, so that their ends are pressed against the steel box girder plate to be welded to achieve the limiting and tightening effect.

[0097] T-shaped steel plate: arranged along the length of the working platform, connected and fastened to the lower I-beam by bolts at both ends, so as to press the steel box girder plate to be welded, and achieve the anti-deformation effect together with the pressing mechanism.

[0098] like Figure 6-Figure 8As shown, place the two steel box girder plates to be welded on the working platform and adjust the position and spacing. First tighten the T-shaped steel plate to initially fix the middle position of the two steel box girder plates to be welded, and then tighten the clamping bolts on both sides to fix the edge position of the steel box girder plates to be welded. Finally, complete the butt welding, and the weld cooling to achieve the anti-deformation effect.

[0099] Finally, it should be noted that the above embodiments are only preferred embodiments of the present invention to illustrate the technical solution of the present invention, rather than limiting it, and certainly not limiting the patent scope of the present invention; although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention; that is to say, any changes or embellishments made to the main design concept and spirit of the present invention that have no substantive significance, and the technical problems they solve are still consistent with the present invention, should be included in the protection scope of the present invention; in addition, the direct or indirect application of the technical solution of the present invention in other related technical fields is also included in the patent protection scope of the present invention.

Claims

1. A steel box girder plate unit butt weld anti-deformation limiting device, characterized in that: The invention comprises a horizontal working platform (2), a pair of side limiting mechanisms arranged on both sides of the working platform (2) for limiting the position and reverse deformation of the steel box girder plate (6) to be welded, and a belly limiting mechanism arranged on the working platform (2) for pressing and reverse deformation of the steel box girder plate (6) to be welded; and a long strip-shaped slot (7) is provided on the working platform (2) for making way for the welding operation of the butt weld (16) on the steel box girder plate (6) to be welded.

2. The anti-deformation limiting device for butt weld of steel box girder plate unit according to claim 1 is characterized in that: The side limiting mechanism comprises a limiting channel steel (3) arranged on the side of the working platform (2), and a pressing mechanism (15) arranged in the limiting channel steel (3) for pressing the steel box girder plate (6) to be welded against the working platform (2).

3. The anti-deformation limiting device for butt weld of steel box girder plate unit according to claim 2 is characterized in that: The clamping mechanism (15) comprises a sleeve (4) fixedly mounted on the inner top wall of the limiting channel steel (3) by means of bolts, and a clamping bolt (8) threadedly connected in the sleeve (4) for clamping the steel box girder plate (6) to be welded onto the working platform (2).

4. The anti-deformation limiting device for the butt weld of a steel box girder plate unit according to claim 3 is characterized in that: The bottom of the sleeve (4) is sealed, and a connecting plate (9) is provided on the top. The connecting plate (9) is fixed to the inner top wall of the limiting channel steel (3) by bolts. A clearance hole A (10) matched with the clamping bolt (8) is opened on the bottom sealing plate. A nut A (11) matched with the clamping bolt (8) is welded on the bottom sealing plate. The clamping bolt (8) is threadedly connected to the nut A (11) and passes through the clearance hole A (10) to extend into the sleeve (4).

5. The anti-deformation limiting device for butt weld of steel box girder plate unit according to claim 4 is characterized in that: A reinforcing mechanism is arranged inside the sleeve (4).

6. The anti-deformation limiting device for butt weld of steel box girder plate unit according to claim 5, characterized in that: The reinforcing mechanism comprises a reinforcing transverse diaphragm (12) arranged in the sleeve (4), a clearance hole B (13) matched with the clamping bolt (8) is opened on the reinforcing transverse diaphragm (12), a nut B (14) matched with the clamping bolt (8) is welded on the reinforcing transverse diaphragm (12), and the clamping bolt (8) is threadedly connected in the nut B (14) and passes through the clearance hole B (13).

7. The anti-deformation limiting device for butt weld of steel box girder plate unit according to claim 2 is characterized in that: The limiting channel steel (3) is welded and fixed on the side of the working platform (2) in a horizontal U shape. A plurality of clamping mechanisms are arranged on one limiting channel steel (3), and the clamping mechanisms are evenly arranged along the length direction of the limiting channel steel (3).

8. The anti-deformation limiting device for butt weld of steel box girder plate unit according to claim 1 is characterized in that: It also includes an I-beam (1), the top wing plate of the I-beam (1) is fixedly connected to the working platform (2), and the bottom wing plate of the I-beam (1) is fixedly connected to the working frame at the steel box beam plate welding station; each side limit mechanism and each belly limit mechanism corresponds to an I-beam (1).

9. The anti-deformation limiting device for butt weld of steel box girder plate unit according to claim 8, characterized in that: The belly position limiting mechanism comprises a T-shaped steel plate (5), the T-shaped steel plate (5) is fixedly connected to the corresponding I-shaped steel beam (1) by bolts, and the working platform (2) and the corresponding steel box beam plate (6) to be welded are clamped between the T-shaped steel plate (5) and the corresponding I-shaped steel beam (1).

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