Turnover device and method for heavy steel beam rod piece

Abstract

The invention discloses a turnover device and method for a heavy steel beam rod piece. The turnover device comprises a fixing unit, a rotating unit and a sliding supporting unit. The fixing unit comprises a fixing seat, a rotating cambered surface arranged at one end of the fixing seat and a sliding inclined surface arranged at the other end of the fixing seat; the rotating unit is arranged on the rotating cambered surface, rotates along the rotating cambered surface and comprises at least two spliced arc-shaped rotating plates, the bottom surface of each arc-shaped rotating plate is a quarter cambered surface, the top surface of each arc-shaped rotating plate is a plane, and a right angle is formed between the top surfaces of the two spliced arc-shaped rotating plates; the sliding supporting unit slides on the sliding inclined face and the arc-shaped rotating plate, and the steel beam is arranged on the sliding supporting unit. The arc-shaped rotating plate rotates on the rotating arc face to drive the steel beam borne by the sliding supporting unit to turn over. The steel beam is always in an effective supporting and non-suspension state, so that time and labor waste caused by a large amount of manpower for hoisting and turning over is avoided, and dangers caused by the suspension state of the steel beam during turning over are avoided.

Description

Technical Field

[0001] The present invention belongs to the technical field of steel beam turnover, and more specifically, relates to a device and method for turning over a heavy-duty steel beam member. Background Art

[0002] Due to topographical constraints along transportation routes, some steel beams arrive at the construction site in a different state than their designed state. Because the upper and lower chords are erected in a certain direction, and due to limitations in water or land transportation, the orientation of the beams arriving may not always align with the erection direction. Therefore, steel beams delivered to the construction site must be rotated to a certain degree according to design or construction requirements. As construction requirements become increasingly demanding, the size of individual steel trusses is also increasing. The pre-assembly of heavy steel beams requires the use of specialized turning devices to prevent unnecessary deformation and damage during the turning process.

[0003] Currently, steel beams are typically flipped directly on the ground or in a sand pit using a lifting device. This requires welding temporary lifting lugs, which can damage the surface coating of the beams. Furthermore, using a crane for flipping is demanding due to the heavy weight of the beams. Furthermore, manual force must be applied after lifting, which not only requires a lot of manpower but is also difficult to operate, resulting in low beam flipping efficiency and high risks.

[0004] Therefore, a device and method for turning over heavy-duty steel beam members is needed, on which the steel beam is placed and automatically turned over directly, avoiding manual turning over during the lifting process, meeting the on-site construction requirements, better protecting the heavy-duty steel beam members, thereby meeting the quality requirements for the erection of heavy-duty steel beam members, reducing labor input, and ensuring the safety of workers during the construction process. Summary of the Invention

[0005] To address the above-mentioned deficiencies or improvements in the prior art, the present invention provides a heavy-duty steel beam turning device and method. After the curved rotating plate supports the steel beam, the bottom and one side of the steel beam contact two curved rotating plates, respectively. The curved rotating plates are then driven to rotate, causing the vertically positioned curved rotating plates to transition to a horizontal position, thereby turning the steel beam. Throughout the turning process, the steel beam remains effectively supported and free of hanging material, avoiding the time-consuming and labor-intensive process of hoisting and turning the beam, and preventing the beam from being left hanging during turning, which could be dangerous.

[0006] To achieve the above objectives, according to a first aspect of an embodiment of the present invention, there is provided a heavy-duty steel beam turning device, comprising: a fixing unit, a rotating unit, and a sliding support unit;

[0007] The fixing unit includes a fixing seat, a rotating arc surface provided at one end of the fixing seat, and a sliding inclined surface provided at the other end of the fixing seat;

[0008] The rotating unit is provided on the rotating arc surface and rotates along the rotating arc surface. The rotating unit comprises at least two spliced ​​arc-shaped rotating plates. The bottom surface of each arc-shaped rotating plate is a quarter arc surface and the top surface is a plane. After splicing, the top surfaces of the two arc-shaped rotating plates form a right angle.

[0009] The sliding support unit slides on the sliding inclined surface and the arc-shaped rotating plate, and the steel beam is arranged on the sliding support unit;

[0010] The arc-shaped rotating plate rotates on the rotating arc surface, driving the steel beam carried by the sliding support unit to complete the turning over.

[0011] Furthermore, the interior of the fixing seat is hollowed out, and a horizontal surface is left at the connection between the top of the sliding inclined surface and the rotating arc surface.

[0012] Furthermore, at least two first slide rails are provided on the sliding inclined surface, and the first slide rails are arranged upward along the sliding inclined surface until they are connected with the rotating arc surface. The cross section of the first slide rails is an inverted T-shape, and the interior serves as a limiting cavity.

[0013] The rotating arc surface is provided with a rotating slide along the arc surface, and both ends of the rotating slide are provided with additional slots, which are connected to the rotating slide;

[0014] The rotating arc surface is further provided with at least two mutually parallel limiting rotation grooves, and the limiting rotation grooves are also opened along the arc surface of the rotating arc surface.

[0015] Furthermore, an arc-shaped limit plate is provided on one-quarter of the arc surface of the bottom surface of the arc-shaped rotating plate, and the arc-shaped limit plate and the arc-shaped rotating plate are connected by a short plate, the width of the short plate is the same as the width of the rotating slide, and the arc-shaped limit plate passes through the rotating slide and is placed in the internal hollow of the fixed seat to limit the arc-shaped rotating plate so that it can only rotate on the rotating slide along the surface of the rotating slide.

[0016] Furthermore, a wheel groove is provided on a quarter arc surface of the arc-shaped rotating plate at a position corresponding to the position-limiting rotating groove, and a plurality of wheels are provided in the wheel groove. The plurality of wheels are arranged at equal distances from each other, and the wheels protrude from the wheel groove and contact the bottom surface of the position-limiting rotating groove;

[0017] When the arc-shaped rotating plate rotates on the rotating arc surface, the friction between the arc-shaped rotating plate and the rotating arc surface is reduced through the cooperation between the rotating wheel and the rotating wheel groove, making the rotation smoother.

[0018] Furthermore, the arc-shaped rotating plates are provided with connecting grooves at symmetrical positions at both ends, and the connecting grooves are T-shaped. A connecting rod is provided in the connecting groove, and the cross bars on both sides of the connecting rod are respectively installed in the connecting grooves of the two arc-shaped rotating plates, and the two adjacent arc-shaped rotating plates are temporarily connected by the connecting rod.

[0019] Furthermore, a second skateboard slide is provided on the top surface of the arc-shaped rotating plate. The number of the second skateboard slide is the same as that of the first skateboard slide, and the position also corresponds to the position of the first skateboard slide. The cross-section of the second skateboard slide is an inverted T-shape, and the interior serves as a limiting cavity.

[0020] Furthermore, the sliding support unit is provided on each arc-shaped rotating plate in a group, including a slide plate, and the bottom surface of the slide plate is provided with a pulley;

[0021] The bottom of the slide is provided with downward pulley seats on both sides, and the pulleys are provided on the pulley seats, and each group of pulleys includes one pulley on each side of the pulley seat;

[0022] The pulley is arranged in the first skateboard slide or the second skateboard slide and moves along the first skateboard slide or the second skateboard slide. The pulley seat passes through the first skateboard slide or the second skateboard slide so that the pulleys on both sides are arranged in the limiting cavities of the two, so that the pulley can provide limiting for the skateboard while rotating to reduce friction.

[0023] Furthermore, the arc surface of the arc-shaped limiting plate is grooved inwardly to form rotating teeth;

[0024] A driving unit is further provided in the hollowed-out portion of the fixing seat. The driving unit includes a driving gear and a gear shaft. The driving gear is engaged with the rotating gear and is rotatably connected to the fixing seat via the gear shaft.

[0025] One end of the gear shaft passes through the fixed seat, and the protruding part is provided with a connecting key, which is connected to a driving mechanism including a motor. The driving mechanism provides driving force to drive the driving gear to rotate, thereby driving the arc-shaped rotating plate to rotate on the rotating arc surface.

[0026] According to a second aspect of an embodiment of the present invention, a method for turning over a heavy-duty steel beam member is provided, which specifically includes the following steps:

[0027] S100. Assemble the heavy-duty steel beam turning device, fix the fixing unit on a flat surface, connect the two curved turning plates with a connecting rod, and install the curved turning plates in the rotating slideway;

[0028] S200, adjusting the vertical curved rotating plate away from the sliding inclined surface and the horizontal curved rotating plate in the horizontal plane, and installing a slide plate on the vertical curved rotating plate;

[0029] S300, remove the slide of the horizontal curved rotating plate and place it on the ground, place the steel beam on the slide, and push the slide along the first slide track and the second slide track to move to the curved rotating plate;

[0030] S400, starting the driving mechanism to drive the two arc-shaped rotating plates to rotate simultaneously until the original vertical arc-shaped rotating plate is rotated to the horizontal setting and the original horizontal arc-shaped rotating plate is rotated to the vertical setting, and then stopping the driving mechanism;

[0031] S500, removing the vertically arranged arc-shaped rotating plate, and vertically installing it at the end away from the sliding inclined surface and the horizontal arc-shaped rotating plate;

[0032] S600, start the driving mechanism again and repeat step S400, at which time the steel beam rotates 180 degrees to complete the turning of the steel beam;

[0033] S700: Push the slide plate along the second slide plate track and the first slide plate track to the ground, and unload the steel beam.

[0034] In general, the above technical solutions conceived by the present invention can achieve the following beneficial effects compared with the prior art:

[0035] 1. The heavy-duty steel beam turning device of the present invention, after the curved rotating plates support the steel beam, brings the bottom and side surfaces of the steel beam into contact with two curved rotating plates, respectively. The curved rotating plates are then driven to rotate, causing the vertically positioned curved rotating plates to transition to a horizontal position, thereby turning the steel beam. Throughout the turning process, the steel beam remains effectively supported and not suspended in the air, eliminating the time-consuming and labor-intensive process of hoisting and turning the beam, and preventing the beam from being left suspended in the air during turning, which could pose a risk.

[0036] 2. The heavy-duty steel beam turning device of the present invention is composed of two curved rotating plates spliced ​​together to form two mutually perpendicular load-bearing surfaces. By pushing the two curved rotating plates to rotate, the steel beam is rotated at the same time. By placing the curved rotating plate that has rotated to the front to connect to the rear and continue to rotate, the steel beam can be turned over to different sides at will, thereby simplifying the steps required to turn the steel beam.

[0037] 3. The heavy-duty steel beam turning device of the present invention has a pulley arranged at the bottom of the skateboard, which is arranged in the first skateboard slide or the second skateboard slide, and moves along the first skateboard slide or the second skateboard slide. The pulley seat passes through the first skateboard slide or the second skateboard slide so that the pulleys on both sides are arranged in the limiting cavities of the two, so that the pulley can provide limiting for the skateboard while rotating to reduce friction. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 This is a structural schematic diagram of a heavy-duty steel beam turning device according to an embodiment of the present invention;

[0039] Figure 2 This is a schematic diagram of the structure of a fixing seat of a heavy-duty steel beam turning device according to an embodiment of the present invention;

[0040] Figure 3 This is a schematic diagram from a first perspective of the structural connection of the rotating unit of a heavy-duty steel beam turning device according to an embodiment of the present invention;

[0041] Figure 4 This is a schematic diagram from a second perspective of the structural connection of the rotating unit of a heavy-duty steel beam turning device according to an embodiment of the present invention;

[0042] Figure 5 This is a schematic structural diagram of a rotating unit of a heavy-duty steel beam turning device according to an embodiment of the present invention;

[0043] Figure 6 This is a schematic structural diagram of a sliding support unit of a heavy-duty steel beam turning device according to an embodiment of the present invention;

[0044] Figure 7 This is a structural schematic diagram of the turning process of a heavy-duty steel beam turning device according to an embodiment of the present invention;

[0045] Figure 8 The present invention is a flowchart of a method for turning over a heavy-duty steel beam member according to an embodiment of the present invention.

[0046] In all the drawings, the same figure marks represent the same technical features, specifically: 1-steel beam, 2-fixed unit, 21-fixed seat, 22-rotating arc surface, 23-sliding inclined surface, 24-first skateboard slide, 25-rotating slide, 26-limiting rotating groove, 3-rotating unit, 31-arc rotating plate, 32-arc limiting plate, 33-wheel groove, 34-wheel, 35-second skateboard slide, 36-connecting groove, 37-connecting rod, 38-rotating tooth, 4-sliding support unit, 41-skateboard, 42-pulley, 43-support pad, 5-drive unit, 51-drive gear, 52-gear shaft. DETAILED DESCRIPTION

[0047] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply 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 understood as limiting the present invention.

[0048] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature identified as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0049] In this application, unless otherwise specified or limited, the terms "mounted," "connected," "connect," "fixed," etc. should be understood broadly. For example, they may refer to fixed connection, detachable connection, or integral connection; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0050] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only intended to illustrate the present invention and are not intended to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

[0051] Example 1

[0052] like Figure 1 The embodiment of the present invention provides a heavy-duty steel beam turning device, comprising: a fixed unit 2, a rotating unit 3 provided on the fixed unit 2, and a sliding support unit 4 provided on the rotating unit 3. The fixed unit 2 is fixed to a platform including the ground, and is provided with a rotating arc surface 22 at one end and a sliding inclined surface 23 at the other end; the rotating unit 3 is provided on the rotating arc surface 22 and rotates along the rotating arc surface 22, and comprises at least two spliced ​​arc-shaped rotating plates 31, each of which has a bottom surface of a quarter arc surface and a top surface of a plane, and after splicing, the top surfaces of the two arc-shaped rotating plates 31 form a right angle; the sliding support unit 4 slides on the sliding inclined surface 23 and the arc-shaped rotating plate 31, and the steel beam 1 is provided on the sliding support unit 4, and is driven by the sliding support unit 4 to move the steel beam 1 along the sliding inclined surface 23 to the arc-shaped rotating plate 31. After the curved rotating plates 31 support the steel beam 1, the bottom and side surfaces of the steel beam 1 contact the two curved rotating plates 31, respectively. The curved rotating plates 31 are then driven to rotate, causing the vertically positioned curved rotating plates 31 to be horizontally positioned, thereby turning the steel beam 1 over. Throughout the turning process, the steel beam 1 remains effectively supported and not suspended in the air, thus avoiding the time-consuming and labor-intensive process of hoisting and turning the beam 1, and preventing the steel beam 1 from being suspended in the air during turning, which could be dangerous.

[0053] like Figure 2 As shown, the fixing unit 2 includes a fixing base 21, the interior of which is hollowed out. The fixing base 21 is set on a platform, preferably a flat ground. The rotating arc surface 22 is set at one end of the fixing base 21, and the sliding inclined surface 23 is set at the other end of the fixing base 21. A horizontal surface is left at the connection between the top of the sliding inclined surface 23 and the rotating arc surface 22. The sliding inclined surface 23 is provided with at least two first slide rails 24. The first slide rails 24 are arranged upward along the sliding inclined surface 23 until they connect with the rotating arc surface 22. The cross-section of the first slide rails 24 is an inverted T-shape, and the interior serves as a limiting cavity. A rotating slide 25 is opened along the arc surface of the rotating arc surface 22. The rotating slide 25 is also provided with an additional straight edge at both ends, which is connected to the rotating slide 25. The rotating arc surface 22 is also provided with at least two mutually parallel limiting grooves 26, and the limiting grooves 26 are also opened along the arc surface of the rotating arc surface 22.

[0054] Preferably, the end of the rotating arc surface 22 away from the sliding inclined surface 23 is higher than the end close to the sliding inclined surface 23, and the arc-shaped rotating plate 31 starts from the rotating slide 25 at the end away from the sliding inclined surface 23, rotates along the rotating arc surface 22 to the end close to the sliding inclined surface 23, and is then removed.

[0055] like Figure 3-5As shown, a quarter-arc surface of the bottom surface of the arc-shaped rotating plate 31 is provided with an arc-shaped limiting plate 32. The arc-shaped limiting plate 32 is connected to the arc-shaped rotating plate 31 by a short plate. The width of the short plate is the same as the width of the rotating slide 25. The arc-shaped limiting plate 32 passes through the rotating slide 25 and is placed in the internal hollow of the fixed seat 21, limiting the arc-shaped rotating plate 31 so that it can only rotate on the rotating slide 25 and along the surface of the rotating slide 25. A runner groove 33 is also provided on the quarter-arc surface of the arc-shaped rotating plate 31 at a position corresponding to the limiting rotating groove 26. A plurality of running wheels 34 are disposed in the running wheel groove 33. The multiple running wheels 34 are arranged at equal distances from each other, protrude from the running wheel groove 33, and contact the bottom surface of the limiting rotating groove 26. When the arc-shaped rotating plate 31 rotates on the rotating arc surface 22, the friction between the arc-shaped rotating plate 31 and the rotating arc surface 22 is reduced through the cooperation between the rotating wheel 34 and the rotating wheel groove 33, making its rotation smoother. Connecting grooves 36 are provided at symmetrical positions at both ends of the arc-shaped rotating plate 31, and the connecting grooves 36 are T-shaped grooves. A connecting rod 37 is provided in the connecting groove 36, and the cross bars on both sides are respectively provided in the connecting grooves 36 of the two arc-shaped rotating plates 31. The two adjacent arc-shaped rotating plates 31 are temporarily connected by the connecting rod 37. A second slideway 35 is also provided on the top surface of the arc-shaped rotating plate 31. The number of the second slideway 35 is the same as that of the first slideway 24, and the position also corresponds to the position of the first slideway 24. The cross section of the second slideway 35 is an inverted T-shaped, and the interior serves as a limiting cavity.

[0056] In the initial state, two curved rotating plates 31 are installed simultaneously, one horizontally and the other vertically. The outer sides of the two connected together form a semicircular arc surface, and the inner sides form two mutually perpendicular flat surfaces. The top surface of the horizontally installed curved rotating plate 31 is at the same height as the horizontal plane where the top of the sliding inclined surface 23 connects with the rotating arc surface 22.

[0057] like Figure 6As shown, the sliding support unit 4 is provided on each curved rotating plate 31, and includes a slide plate 41. The slide plate 41 has a pulley 42 on its bottom surface and a support pad 43 on its top surface. Downward-facing pulley seats are provided on both sides of the bottom of the slide plate 41, and the pulleys 42 are provided on the pulley seats. Each set of pulleys 42 includes one pulley seat on each side of the pulley seat. The pulleys 42 are provided in the first slide plate slide 24 or the second slide plate slide 35 and move along the first slide plate slide 24 or the second slide plate slide 35. The pulley seats pass through the first slide plate slide 24 or the second slide plate slide 35 so that the pulleys 42 on both sides are provided in the limiting cavities of the first slide plate slide 24 or the second slide plate slide 35. This allows the pulleys 42 to rotate to reduce friction while also limiting the slide plate 41. The support pads 43 are evenly arranged in plurality on the top surface of the skateboard 41 to form a support pad array. The support pads 43 are made of shock-absorbing materials including hard rubber. The steel beam 1 is placed on the support pads 43 to prevent it from colliding with the skateboard 41, thereby avoiding damage to the surface of the steel beam 1.

[0058] In a preferred embodiment, the pulleys 42 are only provided at both ends of the slide 41 and not in the middle part, so that when the slide 41 moves on the first slide track 24 , it can smoothly transition from an inclined state to a horizontal state.

[0059] The arc-shaped limiting plate 32 is further grooved inwardly on its arc surface to form rotating teeth 38. A driving unit 5 is further provided in the hollowed-out portion of the fixed seat 21. The driving unit 5 includes a driving gear 51 and a gear shaft 52. The driving gear 51 meshes with the rotating teeth 38 and is rotationally connected to the fixed seat 21 via the gear shaft 52. One end of the gear shaft 52 extends through the fixed seat 21, and a connecting key is provided on the protruding portion. The connecting key is connected to a driving mechanism including a motor, which provides driving force to the driving gear 51, thereby driving the arc-shaped rotating plate 31 to rotate on the rotating arc surface 22.

[0060] like Figure 7 As shown, in a preferred embodiment, at least two heavy-duty steel beam turning devices are used simultaneously. The gear shafts 52 of the two drive gears 51 are connected as one and driven by the same drive mechanism to ensure synchronous rotation of the two rotating units 3. Alternatively, the gear shafts 52 of the two drive gears 51 are driven by two separate drive mechanisms, with the two motors interlocked and driving the gear shafts 52 simultaneously with the same parameters to ensure synchronous rotation of the two rotating units 3.

[0061] Example 2

[0062] An embodiment of the present invention provides another heavy-duty steel beam turning device, which differs from the structure in Example 1 in that the slides 41 on each of the arc-shaped turning plates 31 are used in pairs. By adjusting the distance between the two slides 41 to cope with steel beams 1 of different sizes, the steel beam 1 can always be well supported on the arc-shaped turning plate 31 through the slides 41.

[0063] Example 3

[0064] like Figure 8 As shown, an embodiment of the present invention provides another method for turning over a heavy-duty steel beam member, which specifically includes the following steps:

[0065] S100, assemble the heavy-duty steel beam turning device, fix the fixing unit 2 on a flat surface, connect the two curved rotating plates 31 with the connecting rod 37, and install the curved rotating plates 31 in the rotating slide 25;

[0066] S200, adjusting the vertical arc-shaped rotating plate 31 away from the sliding inclined surface 23, and the horizontal arc-shaped rotating plate 31 in the horizontal plane, and installing the slide plate 41 on the vertical arc-shaped rotating plate 31;

[0067] S300, remove the slide 41 of the horizontal arc-shaped rotating plate 31 and place it on the ground, place the steel beam 1 on the slide 41, and push the slide 41 along the first slide rail 24 and the second slide rail 35 to move onto the arc-shaped rotating plate 31;

[0068] S400, starting the driving mechanism to drive the two arc-shaped rotating plates 31 to rotate simultaneously until the original vertical arc-shaped rotating plate 31 is rotated to the horizontal setting and the original horizontal arc-shaped rotating plate 31 is rotated to the vertical setting, and then stopping the driving mechanism;

[0069] S500, remove the vertically arranged arc-shaped rotating plate 31, and vertically install it at the end away from the sliding inclined surface 23 and the horizontal arc-shaped rotating plate 31;

[0070] S600, start the driving mechanism again and repeat step S400, at which time the steel beam 1 rotates 180 degrees, completing the turning of the steel beam 1;

[0071] S700 , push the slide plate 41 along the second slide plate slideway 35 and the first slide plate slideway 24 to move to the ground, and unload the steel beam 1 .

[0072] In step S300, when the steel beam 1 is placed on the slide plate 41, the side of the steel beam 1 closest to the heavy-duty steel beam turning device is positioned to extend beyond or flush with the side of the slide plate 41. Furthermore, the slide plate 41 on the vertical arc-shaped rotating plate 31 is adjusted so that its top side is lower than or flush with the top surface of the steel beam 1. This allows the bottom and side surfaces of the steel beam 1 to contact the two support pads 43, respectively.

[0073] In step S300 , it is also necessary to push the slide plate 41 on the horizontal arc-shaped rotating plate 31 so that the side surface of the steel beam 1 on it contacts the support pad 43 of the vertical arc-shaped rotating plate 31 .

[0074] It will be easily understood by those skilled in the art that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A heavy-duty steel beam turning device, characterized in that: include: A fixed unit (2), a rotating unit (3) and a sliding support unit (4); The fixing unit (2) comprises a fixing seat (21), a rotating arc surface (22) provided at one end of the fixing seat (21), and a sliding inclined surface (23) provided at the other end of the fixing seat (21); The rotating unit (3) is arranged on the rotating arc surface (22) and rotates along the rotating arc surface (22). The rotating unit (3) comprises at least two spliced ​​arc-shaped rotating plates (31). The bottom surface of each arc-shaped rotating plate (31) is a quarter arc surface and the top surface is a plane. After splicing, the top surfaces of the two arc-shaped rotating plates (31) form a right angle. The sliding support unit (4) slides on the sliding inclined surface (23) and the arc-shaped rotating plate (31), and the steel beam (1) is arranged on the sliding support unit (4); The arc-shaped rotating plate (31) rotates on the rotating arc surface (22), driving the steel beam (1) carried by the sliding support unit (4) to complete the turning.

2. A heavy-duty steel beam turning device according to claim 1, characterized in that: The interior of the fixing seat (21) is hollowed out, and a horizontal surface is provided at the connection between the top of the sliding inclined surface (23) and the rotating arc surface (22).

3. A heavy-duty steel beam turning device according to claim 2, characterized in that: At least two first slide rails (24) are provided on the sliding inclined surface (23). The first slide rails (24) are arranged upward along the sliding inclined surface (23) until they are connected to the rotating arc surface (22). The cross section of the first slide rails (24) is an inverted T-shape, and the interior serves as a limiting cavity. A rotating slideway (25) is provided along the rotating arc surface (22), and additional slots are provided at both ends of the rotating slideway (25), which are connected to the rotating slideway (25); At least two mutually parallel limiting rotation grooves (26) are also provided on the rotating arc surface (22), and the limiting rotation grooves (26) are also opened along the arc surface of the rotating arc surface (22).

4. A heavy-duty steel beam turning device according to claim 3, characterized in that: An arc-shaped limiting plate (32) is provided on a quarter arc surface of the bottom surface of the arc-shaped rotating plate (31). The arc-shaped limiting plate (32) is connected to the arc-shaped rotating plate (31) by a short plate. The width of the short plate is the same as the width of the rotating slide (25). The arc-shaped limiting plate (32) passes through the rotating slide (25) and is placed in the inner hollow of the fixed seat (21), forming a limit for the arc-shaped rotating plate (31), so that it can only rotate on the rotating slide (25) along the surface of the rotating slide (25).

5. The heavy-duty steel beam turning device according to claim 4, characterized in that: A rotating wheel groove (33) is further provided on a quarter arc surface of the arc-shaped rotating plate (31) at a position corresponding to the position-limiting rotating groove (26), and a plurality of rotating wheels (34) are provided in the rotating wheel groove (33). The plurality of rotating wheels (34) are arranged at equal distances, and the rotating wheels (34) protrude from the rotating wheel groove (33) and contact the bottom surface of the position-limiting rotating groove (26); When the arc-shaped rotating plate (31) rotates on the rotating arc surface (22), the friction between the arc-shaped rotating plate (31) and the rotating arc surface (22) is reduced through the cooperation between the rotating wheel (34) and the rotating wheel groove (33), so that the arc-shaped rotating plate (31) rotates more smoothly.

6. The heavy-duty steel beam turning device according to claim 5, characterized in that: Both ends of the arc-shaped rotating plate (31) are symmetrically provided with connecting grooves (36), and the connecting grooves (36) are T-shaped grooves; A connecting rod (37) is provided in the connecting groove (36). The cross section of the connecting rod (37) is an I-shape. The cross bars on both sides of the connecting rod are respectively provided in the connecting grooves (36) of the two arc-shaped rotating plates (31). The two adjacent arc-shaped rotating plates (31) are temporarily connected through the connecting rod (37).

7. The heavy-duty steel beam turning device according to claim 6, characterized in that: A second slideway (35) is also provided on the top surface of the arc-shaped rotating plate (31). The number of the second slideway (35) is the same as that of the first slideway (24), and the position of the second slideway (35) also corresponds to that of the first slideway (24). The cross-section of the second slideway (35) is an inverted T-shape, and the interior serves as a limiting cavity.

8. The heavy-duty steel beam turning device according to claim 7, characterized in that: The sliding support unit (4) is provided on each arc-shaped rotating plate (31) in a group, and includes a slide plate (41), and a pulley (42) is provided on the bottom surface of the slide plate (41); The bottom sides of the slide plate (41) are provided with downward pulley seats, the pulleys (42) are provided on the pulley seats, and each group of pulleys (42) includes one pulley provided on each side of the pulley seat; The pulley (42) is arranged in the first slideway (24) or the second slideway (35) and moves along the first slideway (24) or the second slideway (35). The pulley seat passes through the first slideway (24) or the second slideway (35) so that the pulleys (42) on both sides are arranged in the limiting cavities of the two, so that the pulley (42) can provide a limit for the slideway (41) while rotating to reduce friction.

9. A heavy-duty steel beam turning device according to any one of claims 4 to 8, characterized in that: The arc surface of the arc-shaped limiting plate (32) is also grooved inwardly to form rotating teeth (38); A driving unit (5) is further provided in the hollowed-out portion of the fixing seat (21), and the driving unit (5) includes a driving gear (51) and a gear shaft (52). The driving gear (51) is engaged with the rotating teeth (38) and is rotatably connected to the fixing seat (21) via the gear shaft (52). One end of the gear shaft (52) passes through the fixed seat (21), and the protruding portion is provided with a connecting key, which is connected to a driving mechanism including a motor through the connecting key. The driving mechanism provides driving force to drive the driving gear (51) to rotate, thereby driving the arc-shaped rotating plate (31) to rotate on the rotating arc surface (22).

10. A method for turning over a heavy-duty steel beam, implemented using a heavy-duty steel beam turning device according to any one of claims 1 to 9, characterized in that: The specific steps include: S100, assembling the heavy-duty steel beam turning device, fixing the fixing unit (2) on a flat ground, connecting the two arc-shaped turning plates (31) through a connecting rod (37), and installing the arc-shaped turning plates (31) in the rotating slideway (25); S200, adjusting the vertical arc-shaped rotating plate (31) away from the sliding inclined surface (23), and the horizontal arc-shaped rotating plate (31) in the horizontal plane, and installing the slide plate (41) on the vertical arc-shaped rotating plate (31); S300, remove the slide plate (41) of the transverse arc-shaped rotating plate (31) and place it on the ground, place the steel beam (1) on the slide plate (41), and push the slide plate (41) along the first slide plate slideway (24) and the second slide plate slideway (35) to move onto the arc-shaped rotating plate (31); S400, start the driving mechanism to drive the two arc-shaped rotating plates 31 to rotate simultaneously until the original vertical arc-shaped rotating plate (31) is turned to the horizontal setting and the original horizontal arc-shaped rotating plate (31) is turned to the vertical setting, and stop driving; S500, remove the vertically arranged arc-shaped rotating plate (31) and vertically install it at the end away from the sliding inclined surface (23) and the horizontal arc-shaped rotating plate (31); S600, start the driving mechanism again and repeat step S400, at which time the steel beam (1) rotates 180 degrees, completing the turning over of the steel beam (1); S700, push the slide plate (41) along the second slide plate slideway (35) and the first slide plate slideway (24) to move to the ground, and unload the steel beam (1).

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