阅读说明：本技术 一种钢桥梁u型肋焊接用反变形胎架工装 (Anti-deformation jig frame tool for welding U-shaped ribs of steel bridge ) 是由 李成杰 周海成 张强 谢超 于 2021-07-30 设计创作，主要内容包括：本发明涉及一种钢桥梁U型肋焊接用反变形胎架工装,包括支撑台,通过转轴一转动设置于所述支撑台上的翻转台,所述翻转台的一端通过翻转液压缸与所述支撑台连接,另一端通过翻转滑动调节杆与所述支撑台连接,所述翻转台包括支撑架,通过若干弯曲液压缸设置于所述支撑架上方、且曲度可调的弧形面板,以及多个分别设置于所述弧形面板两侧的卡具。本发明克服了现有技术中U型肋焊接过程中易变形的缺陷,其应用范围广,施工效率高,适应性强。(The invention relates to a reversible deformation jig tool for welding U-shaped ribs of a steel bridge, which comprises a supporting table and a turnover table, wherein the turnover table is rotatably arranged on the supporting table through a rotating shaft, one end of the turnover table is connected with the supporting table through a turnover hydraulic cylinder, the other end of the turnover table is connected with the supporting table through a turnover sliding adjusting rod, the turnover table comprises a supporting frame, an arc-shaped panel with adjustable curvature, and a plurality of clamps which are respectively arranged on two sides of the arc-shaped panel, and the arc-shaped panel is arranged above the supporting frame through a plurality of bending hydraulic cylinders. The invention overcomes the defect that the U-shaped rib is easy to deform in the welding process in the prior art, and has wide application range, high construction efficiency and strong adaptability.)

1. The utility model provides a steel bridge U type rib welding is with anti-deformation bed-jig frock, its characterized in that, including brace table (1), rotate through pivot (2) set up in roll-over table (3) on brace table (1), the one end of roll-over table (3) through upset pneumatic cylinder (4) with brace table (1) are connected, the other end through upset slide adjusting pole (5) with brace table (1) are connected, roll-over table (3) including support frame (6), set up in through a plurality of bending hydraulic cylinder (7) support frame (6) top and curvature adjustable cambered plate (8) to and a plurality of set up respectively in fixture (9) of cambered plate (8) both sides.

2. The reverse deformation jig frame tooling for welding the U-shaped ribs of the steel bridge as claimed in claim 1 is characterized in that a positioning support (10) is arranged on one side of the support platform (1) close to the turnover sliding adjusting rod (5).

3. The reverse deformation jig frame tool for welding the U-shaped ribs of the steel bridge as claimed in claim 1, wherein an annular pedal (11) is arranged on the periphery of the support frame (6), and safety guardrails (12) are arranged on two sides of the annular pedal (11).

4. The reverse deformation jig frame tool for welding the U-shaped ribs of the steel bridge as claimed in claim 1, wherein one end of the overturning hydraulic cylinder (4) is hinged to the supporting platform (1) through a first pin shaft (13), and the other end of the overturning hydraulic cylinder (4) is hinged to the overturning platform (3) through a second pin shaft (14);

a first sliding hole (15) is formed in the overturning platform (3), the bottom end of the overturning sliding adjusting rod (5) is hinged to the supporting platform (1) through a third pin shaft (16), an adjusting bolt I (17) is arranged at the top end of the overturning sliding adjusting rod (5), and the adjusting bolt I (17) is arranged in the first sliding hole (15) in a sliding mode; the overturning sliding adjusting rod (5) comprises a lower adjusting rod (18) and an upper adjusting rod (20) which is rotatably connected with the lower adjusting rod (18) through a pin shaft four (19).

5. The reverse deformation jig frame tool for welding the U-shaped ribs of the steel bridge as claimed in claim 1, wherein one end of the bending hydraulic cylinder (7) is hinged to the support frame (6) through a fifth pin shaft (21), and the other end of the bending hydraulic cylinder (7) is hinged to the arc-shaped panel (8) through a sixth pin shaft (22).

6. The reversible deformation jig frame tool for welding the U-shaped ribs of the steel bridge beam as claimed in claim 1, wherein the fixture (9) comprises a 7-shaped clamping plate (24) rotatably arranged on the arc-shaped panel (8) through a second rotating shaft (23), and the bottom end of the clamping plate (24) is connected with the support frame (6) through a jacking hydraulic cylinder;

one end of the jacking hydraulic cylinder is hinged with the support frame (6) through a pin shaft seven (26), and the other end of the jacking hydraulic cylinder is hinged with the clamping plate (24) through a pin shaft eight (27).

7. The reverse deformation jig frame tooling for welding the U-shaped ribs of the steel bridge beam as claimed in claim 1, wherein the arc-shaped panel (8) comprises a plurality of bending jig beams (28), and adjacent bending jig beams (28) are connected through a plurality of sliding adjusting rods (29).

8. The reverse deformation jig frame tooling for welding the U-shaped ribs of the steel bridge beam as claimed in claim 7 is characterized in that one end of the bending jig beam (28) close to the sliding adjusting rod (29) is provided with a second sliding hole (30), two ends of the sliding adjusting rod (29) are provided with second adjusting bolts (31), and the second adjusting bolts (31) are slidably arranged in the corresponding second sliding holes (30).

9. The reverse deformation jig frame tooling for welding the U-shaped ribs of the steel bridge according to claim 7, wherein the outermost side of the bending jig beams (28) at the outermost side is further provided with an upward rib (32), the transverse part of the clamping plate (24) of the fixture (9) is provided with a receding groove (33), and the rib (32) is arranged in the receding groove (33).

10. The reverse deformation jig frame tool for welding the U-shaped ribs of the steel bridge as claimed in claim 1, wherein the support table (1) comprises a base (34) and a plurality of supports (35) arranged on the base (34), the first rotating shaft (2) is arranged at the tops of the supports (35), and the turning hydraulic cylinder (4) and the turning sliding adjusting rod (5) are respectively arranged on two sides of the supports (35).

Technical Field

The invention belongs to the technical field of bridge welding, and particularly relates to a reversible deformation jig tool for welding a U-shaped rib of a steel bridge.

Background

In a steel structure bridge engineering project, a U-shaped rib is usually required to be welded on an upper flange plate and a lower flange plate, the bridge engineering usually needs a large amount of welding work of several kilometers or more, so that a large amount of welding work is required, the requirements on welders and the welding quality of a penetration weld joint are quite high, and how to prevent deformation in the welding process is a difficult problem in the welding process of the U-shaped rib,

therefore, the anti-deformation jig tool for welding the U-shaped rib of the steel bridge is urgently needed to be developed to solve the deformation problem in the welding process.

Disclosure of Invention

The invention aims to overcome the defect that a U-shaped rib in the prior art is easy to deform in the welding process, and provides a reversible deformation jig tool for welding the U-shaped rib of a steel bridge.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

the utility model provides a steel bridge U type rib welding is with anti-deformation bed-jig frock, includes a supporting bench, through a pivot one rotate set up in the last roll-over table of a supporting bench, the one end of roll-over table through the upset pneumatic cylinder with a supporting bench connects, the other end through upset slide adjusting pole with a supporting bench connects, the roll-over table includes the support frame, through a plurality of bending hydraulic cylinders set up in support frame top, and curvature adjustable cambered plate to and a plurality of set up respectively in the fixture of cambered plate both sides.

Furthermore, a positioning support is arranged on one side of the support platform, which is close to the turnover sliding adjusting rod.

Furthermore, the periphery of the support frame is provided with an annular pedal, and safety guardrails are arranged on two sides of the annular pedal.

Furthermore, one end of the overturning hydraulic cylinder is hinged with the supporting table through a first pin shaft, and the other end of the overturning hydraulic cylinder is hinged with the overturning table through a second pin shaft;

the overturning platform is provided with a first sliding hole, the bottom end of the overturning sliding adjusting rod is hinged with the supporting platform through a third pin shaft, the top end of the overturning sliding adjusting rod is provided with a first adjusting bolt, and the first adjusting bolt is arranged in the first sliding hole in a sliding manner; the turnover sliding adjusting rod comprises a lower adjusting rod and an upper adjusting rod which is rotatably connected with the lower adjusting rod through a pin shaft IV.

Furthermore, one end of the bending hydraulic cylinder is hinged to the support frame through a fifth pin shaft, and the other end of the bending hydraulic cylinder is hinged to the arc-shaped panel through a sixth pin shaft.

Furthermore, the fixture comprises a 7-shaped clamping plate which is rotatably arranged on the arc-shaped panel through a rotating shaft II, and the bottom end of the clamping plate is connected with the supporting frame through a jacking hydraulic cylinder.

One end of the jacking hydraulic cylinder is hinged with the support frame through a pin shaft seven, and the other end of the jacking hydraulic cylinder is hinged with the clamping plate through a pin shaft eight.

Furthermore, the arc panel comprises a plurality of bending mould beams, and the adjacent bending mould beams are connected through a plurality of sliding adjusting rods.

Furthermore, a second sliding hole is formed in one end, close to the sliding adjusting rod, of the bent mould beam, a second adjusting bolt is arranged at two ends of the sliding adjusting rod, and the second adjusting bolt is slidably arranged in the corresponding second sliding hole.

Furthermore, the outermost side of the bending mould beam at the outermost side is also provided with an upward flange, the cardboard transverse part of the fixture is provided with a yielding groove, and the flange is arranged in the yielding groove.

Furthermore, the supporting table comprises a base and a plurality of supports arranged on the base, the first rotating shaft is arranged at the tops of the supports, and the overturning hydraulic cylinder and the overturning sliding adjusting rod are respectively arranged on two sides of the supports.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the arc-shaped panel is arranged, and the angular deformation generated in the welding process is counteracted through the arc-shaped bending of the arc-shaped panel, so that the welding quality is ensured. The arc-shaped panel is composed of the bent mould beam and the sliding adjusting rod, so that the adjustment of the curve radian of the arc-shaped panel is realized, and compared with the arc-shaped panel with a single fixed curve radian, the arc-shaped panel provided by the invention is obviously wider in application range and has more advantages in adaptability and popularization. The invention has the advantages that the welding quality is ensured, the appearance of a welding seam is more attractive, the production efficiency is improved, and the construction period progress is accelerated. The components of the invention are detachably connected, the structure is simple and convenient, the installation is rapid, and the construction cost is low.

Drawings

FIG. 1 is a perspective view of one embodiment of the present invention;

FIG. 2 is a schematic structural diagram of one embodiment of the present invention;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is a perspective view of the roll-over stand (without the safety barrier) in one embodiment of the present invention;

FIG. 5 is a schematic view of the structure of the roll-over stand (without the safety barrier) in one embodiment of the invention;

FIG. 6 is an exploded view at B of FIG. 5;

figure 7 is a perspective view of a support table in one embodiment of the present invention;

FIG. 8 is a schematic view showing an installation state of a U-shaped rib and a flange plate according to an embodiment of the present invention;

fig. 9 is a schematic structural view of the tilting state of the flipping table in one embodiment of the present invention.

In the figure: 1. the device comprises a support table, 2, a first rotating shaft, 3, a turnover table, 4, a turnover hydraulic cylinder, 5, a turnover sliding adjusting rod, 6, a support frame, 7, a bending hydraulic cylinder, 8, an arc-shaped panel, 9, a clamp, 10, a seat, 11, an annular pedal, 12, a safety guardrail, 13, a first pin shaft, 14 and a second pin shaft; 15. the device comprises a first sliding hole 16, a third pin shaft 17, a first adjusting bolt 18, a lower adjusting rod 19, a fourth pin shaft 20, an upper adjusting rod 21, a fifth pin shaft 22, a sixth pin shaft 23, a second rotating shaft 24, a clamping plate 25, a jacking hydraulic cylinder 26, a seventh pin shaft 27, an eighth pin shaft 28, a bent mould beam 29, a sliding adjusting rod 30, a second sliding hole 31, a second adjusting bolt 32, a flange 33, a receding groove 34, a base 35, a support 36, a flange plate 37 and a U-shaped rib.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, one embodiment of the anti-deformation jig fixture for welding the U-shaped ribs of the steel bridge according to the invention includes a support table 1, and a turning table 3 rotatably disposed on the support table 1 through a first rotating shaft 2, wherein one end of the turning table 3 is connected to the support table 1 through a turning hydraulic cylinder 4, and the other end of the turning table 3 is connected to the support table 1 through a turning sliding adjusting rod 5, the turning table 3 includes a support frame 6, an arc-shaped panel 8 which is disposed above the support frame 6 through a plurality of bending hydraulic cylinders 7 and has an adjustable curvature, and a plurality of fixtures 9 respectively disposed on two sides of the arc-shaped panel 8.

As an embodiment of the anti-deformation jig tool for welding the U-shaped ribs of the steel bridge, a positioning support 10 is arranged on one side of the support platform 1 close to the turnover sliding adjusting rod 5, an inclined surface is arranged on one side of the lower surface of the support frame 6 close to the positioning support 10, the inclined surface is higher on one side close to the positioning support 10, and the inclined surface is lower on one side far away from the positioning support 10.

As an embodiment of the reversible deformation jig tool for welding the U-shaped ribs of the steel bridge, an annular pedal 11 is arranged on the periphery of the support frame 6, and safety guardrails 12 are arranged on two sides of the annular pedal 11.

As an embodiment of the anti-deformation jig frame tooling for welding the U-shaped ribs of the steel bridge, one end of the overturning hydraulic cylinder 4 is hinged with the support table 1 through a first pin shaft 13, and the other end of the overturning hydraulic cylinder 4 is hinged with the overturning table 3 through a second pin shaft 14; the first pin shaft 13 and the second pin shaft 14 are arranged in parallel;

the overturning platform 3 is provided with a first sliding hole 15, the bottom end of the overturning sliding adjusting rod 5 is hinged with the supporting platform 1 through a third pin shaft 16, the top end of the overturning sliding adjusting rod 5 is provided with a first adjusting bolt 17, and the first adjusting bolt 17 is slidably arranged in the first sliding hole 15; the turning sliding adjusting rod 5 comprises a lower adjusting rod 18 and an upper adjusting rod 20 which is rotatably connected with the lower adjusting rod 18 through a pin shaft four 19.

The third pin shaft 16 is parallel to the adjusting bolt, and the fourth pin shaft 19 is perpendicular to the third pin shaft 16.

The first slide hole 15 is provided in the curved die beam 28 on the outermost side.

As an embodiment of the reversible deformation jig tool for welding the U-shaped ribs of the steel bridge, one end of the bending hydraulic cylinder 7 is hinged to the support frame 6 through a fifth pin 21, and the other end of the bending hydraulic cylinder 7 is hinged to the arc-shaped panel 8 through a sixth pin 22. The pin shaft five 21 and the pin shaft six 22 are arranged vertically.

As an embodiment of the reversible deformation jig tool for welding the U-shaped ribs of the steel bridge, the fixture 9 includes a 7-shaped clamping plate 24 rotatably disposed on the arc-shaped panel 8 through a second rotating shaft 23, and the bottom end of the clamping plate 24 is connected with the support frame 6 through a jacking hydraulic cylinder.

One end of the jacking hydraulic cylinder is hinged with the support frame 6 through a seventh pin shaft 26, and the other end of the jacking hydraulic cylinder is hinged with the clamping plate 24 through an eighth pin shaft 27. The seventh pin shaft 26 is parallel to the eighth pin shaft 27.

As an embodiment of the reversible deformation jig tool for welding the U-shaped ribs of the steel bridge, the arc-shaped panel 8 includes a plurality of bending jig beams 28, and adjacent bending jig beams 28 are connected by a plurality of sliding adjusting rods 29.

The top end of the bending hydraulic cylinder 7 is hinged with the bending mould beam 28.

As an embodiment of the reversible deformation jig tool for welding the U-shaped ribs of the steel bridge, according to the invention, a second slide hole 30 is arranged at one end of the bending jig beam 28 close to the slide adjusting rod 29, two adjusting bolts 31 are arranged at two ends of the slide adjusting rod 29, and the two adjusting bolts 31 are slidably arranged in the corresponding second slide holes 30.

Further, the outermost side of the bending mould beam 28 at the outermost side is further provided with an upward rib 32, the transverse part of the clamping plate 24 of the fixture 9 is provided with a yielding groove 33, and the rib 32 is arranged in the yielding groove 33.

As an embodiment of the reversible deformation jig tool for welding the U-shaped ribs of the steel bridge, the support table 1 includes a base 34, a plurality of brackets 35 arranged on the base 34, the first rotating shaft 2 is arranged on the tops of the brackets 35, and the turning hydraulic cylinder 4 and the turning sliding adjusting rod 5 are respectively arranged on two sides of the brackets 35.

The use method of the invention comprises the following steps:

step 1, adjusting a turnover hydraulic cylinder 4 and a turnover sliding adjusting rod 5 to enable a turnover table 3 to be in a horizontal state;

step 2, adjusting a piston rod of a jacking hydraulic cylinder 25 to shorten, driving a clamping plate 24 to rotate outwards, then placing a flange plate 36 and a U-shaped rib 37 on the arc-shaped panel 8, adjusting a piston rod of the jacking hydraulic cylinder 25 to extend, driving the clamping plate 24 to rotate inwards, and clamping the flange plate 36;

step 3, adjusting the bending hydraulic cylinder 7 and the sliding adjusting rod 29 to enable the radian of the curved surface of the arc-shaped panel 8 to meet the requirement, locking the adjusting bolt II 31 and avoiding the displacement of the sliding adjusting rod 29;

step 4, loosening the adjusting bolt I17, starting the overturning hydraulic cylinder 4, locking the adjusting bolt I17 after the overturning platform 3 is overturned to a required angle, and avoiding the overturning sliding adjusting rod 5 from shifting;

and 5, arranging a positioning support 10 at the lower side of the overturning platform 3, and starting welding operation after supporting the overturning platform 3.

The embodiments described above are only preferred embodiments of the invention and are not exhaustive of the possible implementations of the invention. Any obvious modifications to the above would be obvious to those of ordinary skill in the art, but would not bring the invention so modified beyond the spirit and scope of the present invention.