Steel box girder hoisting stabilizing device

Abstract

The utility model discloses a steel box girder hoisting stabilizing device which comprises a hoisting frame located at the top of a girder body, a supporting plate, a balance weight plate and a driving mechanism are arranged on the hoisting frame, the side wall of the supporting plate is connected with the hoisting frame, the balance weight plate is located at the top of the girder body, and the balance weight plate is located in the hoisting frame and connected with the hoisting frame in a sliding mode. The driving mechanism is connected with the counterweight plate and is used for driving the driving plate to move; a counterweight block and a transmission mechanism are arranged on the side wall of the counterweight plate; the hoisting device is simple in structure and reasonable in design, when the wind speed is high, a worker adjusts the position of the balance weight plate, installs or dismantles the balance weight and balances the gravity center of the beam body through the supporting plate, the balance weight plate, the driving mechanism, the balance weight block and the transmission mechanism, the risk that the beam body shakes or inclines in the hoisting process is reduced, and therefore the stability of the beam body is improved, and the hoisting efficiency is improved. And the beam body is conveyed to a set position, so that the time consumed by workers for correcting the deviation of the beam body is reduced, different wind speeds are adapted, and the construction efficiency and the construction progress are improved.

Description

A steel box girder hoisting stabilization device Technical Field

[0001] This utility model relates to the technical field of steel box girder hoisting, specifically to a steel box girder hoisting stabilizing device. Background Technology

[0002] Steel box girder hoisting refers to the construction process of safely and accurately installing prefabricated steel box girder segments to their designed positions on the bridge using lifting equipment. It is a core component of steel structure bridge construction. The essence of steel box girder hoisting is to achieve the configuration transformation and docking of large-scale, heavy-tonnage steel structures in three-dimensional space through systematic engineering control.

[0003] The shortcomings of existing technology:

[0004] The aforementioned steel box girder hoisting includes a lifting frame located on top of the girder, which is connected to a crane. Workers start the steel box girder. When the wind speed in the hoisting environment is high, the wind pressure on one side of the girder is high, causing the girder to deviate from the set trajectory. This results in a deviation between the girder's position and the set position. Typically, the construction period is short, making it difficult to choose a time with lower wind speeds for hoisting. Furthermore, when the girder's position deviates from the set position, the workers spend a lot of time correcting the deviation, further straining the construction schedule and affecting normal construction efficiency and progress. Summary of the Invention

[0005] The purpose of this utility model is to provide a steel box girder hoisting and stabilizing device to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A steel box girder hoisting and stabilizing device includes a hoisting frame located at the top of the girder. A support plate, a counterweight plate, and a drive mechanism are mounted on the hoisting frame. The side wall of the support plate is connected to the hoisting frame. The counterweight plate is located at the top of the girder, within the hoisting frame, and slidably connected to it. The drive mechanism is connected to the counterweight plate and is used to drive the drive plate to move. A counterweight block and a transmission mechanism are mounted on the side wall of the counterweight plate. The transmission mechanism includes:

[0008] A transmission plate is connected to the side wall of a counterweight plate, and a transmission groove is vertically formed on the side of the transmission plate away from the counterweight plate.

[0009] A transmission block is located inside a transmission groove and is slidably connected to the side wall of the transmission groove. A transmission rod and a limiting member are provided on the transmission block. The transmission rod is located at the bottom of the transmission block and is connected to the transmission block. The bottom of the transmission rod is connected to the top of a counterweight block. The side wall of the transmission rod is slidably connected to the side wall of the transmission groove. The limiting member is connected to the transmission block and is used to limit the movement of the transmission block.

[0010] Preferably, a limiting groove is horizontally formed on the side wall of the transmission channel, the limiting groove is in communication with the transmission channel, and there are two limiting members, which are respectively located on both sides of the transmission block. Each limiting member includes:

[0011] A limiting plate is located on one side of the transmission block. One side of the limiting plate is slidably connected to the side wall of the limiting groove, and the other side of the limiting plate is used to abut against the side wall of the transmission block.

[0012] A telescopic rod is located within a limiting groove. One end of the telescopic rod is connected to the side wall of the transmission block, and the other end of the telescopic rod is connected to a limiting plate.

[0013] A limiting spring is sleeved on the telescopic rod. One end of the limiting spring is connected to the side wall of the limiting plate, and the other end of the limiting spring is connected to the side wall of the transmission block.

[0014] Preferably, a pushing member is provided on the side wall of the transmission plate. There are two pushing members, which are respectively located on both sides of the transmission block. Each pushing member includes:

[0015] A push screw is located in a limiting groove, and the end of the push screw abuts against the side wall of the limiting plate;

[0016] A screw sleeve is inserted through the side wall of the transmission plate and extends into the limiting groove. One end of the screw sleeve is fitted onto the end of the push screw and is threadedly connected to the push screw. The other end of the screw sleeve is connected to the side wall of the transmission plate. Each screw sleeve is provided with a rotating component that drives the screw sleeve to rotate.

[0017] Preferably, the rotating member includes:

[0018] The driving wheel is sleeved on the threaded sleeve and coaxially connected to the threaded sleeve. The side wall of the driving wheel is connected to the side wall of the transmission plate.

[0019] The driven wheel is located on one side of the driving wheel and is meshed with the driving wheel. The side wall of the driven wheel is connected to the side wall of the transmission plate.

[0020] A rotating motor is located on the side wall of the transmission plate and connected to the transmission plate. The output shaft of the rotating motor is coaxially connected to the driven wheel.

[0021] Preferably, there are multiple counterweights, and a connecting member is provided between each adjacent counterweight, each connecting member including:

[0022] A connecting plate is located at the bottom of the counterweight and connected to the counterweight. A connecting groove is horizontally opened at the bottom of the connecting plate, and an abutment is provided on the connecting plate.

[0023] A connecting block, which is located on top of and connected to the counterweight, with its top extending into the connecting groove and slidably connected to the side wall of the connecting groove.

[0024] Preferably, the top wall of the connecting groove is vertically provided with an abutment groove, the abutment groove communicating with the connecting groove, the top of the connecting plate is provided with a vertical plate, and the abutment member includes:

[0025] An abutment plate, which is located on the side wall of the abutment groove and is slidably connected to the side wall of the abutment groove, and is used to cover the connecting groove;

[0026] An abutment spring is located at the top of the abutment plate, with one end of the abutment spring connected to the abutment plate and the other end of the abutment spring connected to the vertical plate.

[0027] Preferably, each of the limiting plates is equipped with a ball bearing, one side of which is connected to the side wall of the limiting plate, and the other side of which is in contact with the side wall of the limiting groove.

[0028] Compared with the prior art, the beneficial effects of this utility model are:

[0029] 1. This steel box girder hoisting stabilization device, through the support plate, counterweight plate, drive mechanism, counterweight block and transmission mechanism set on the hoisting frame, allows workers to hoist the steel box girder. When the ambient wind speed is high during hoisting, workers adjust the position of the counterweight plate and install the counterweight block to balance the center of gravity of the hoisted girder, reduce the risk of the girder swaying or tilting during hoisting, thereby improving the stability of the girder and transmitting the girder to the set position, thereby reducing the time spent by workers to correct the girder's deviation and improving construction efficiency and progress.

[0030] 2. This steel box girder hoisting stabilization device, by incorporating ball bearings, transforms the sliding friction between the limiting plate and the side wall of the limiting groove into rolling friction, thereby reducing wear between the limiting plate and the side wall of the limiting groove and extending the service life of the limiting plate. Attached Figure Description

[0031] Figure 1 is a schematic diagram of the overall structure of this utility model;

[0032] Figure 2 is a partial structural schematic diagram of this utility model, mainly showing the rotating component;

[0033] Figure 3 is an exploded view of part of the structure of this utility model, mainly showing the limiting component;

[0034] Figure 4 is an exploded view of part of the structure of this utility model, mainly showing the abutting part.

[0035] In the diagram: 1. Beam; 11. Lifting frame; 12. Support plate; 13. Counterweight plate; 14. Drive mechanism; 15. Counterweight block; 2. Transmission mechanism; 21. Transmission plate; 22. Transmission block; 23. Transmission rod; 31. Transmission groove; 32. Limiting groove; 33. Ball bearing; 4. Limiting component; 41. Limiting plate; 42. Telescopic rod; 43. Limiting spring; 5. Pushing component; 51. Pushing screw; 52. Screw sleeve; 6. Rotating component; 61. Rotating motor; 62. Driven wheel; 63. Driving wheel; 7. Connecting component; 71. Connecting plate; 72. Connecting block; 81. Connecting groove; 82. Abutment groove; 83. Vertical plate; 9. Abutment component; 91. Abutment plate; 92. Abutment spring. Detailed Implementation

[0036] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0037] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0038] In the description of this patent, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection or setting, a detachable connection or setting, or an integrated connection or setting. Those skilled in the art can understand the specific meaning of the above terms in this patent according to the specific circumstances.

[0039] 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 technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "several" means two or more, unless otherwise explicitly specified.

[0040] Please refer to Figures 1-4 for the technical solution of a steel box girder hoisting stabilization device provided by this utility model:

[0041] A steel box girder hoisting and stabilizing device includes a hoisting frame 11 located at the top of the girder 1. The hoisting frame 11 is used for connection. A support plate 12, a counterweight plate 13, and a drive mechanism 14 are installed on the hoisting frame 11. The top of the vertically arranged support plate 12 is fixedly connected to the hoisting frame 11. The counterweight plate 13 is located inside the hoisting frame 11 and is slidably connected to the hoisting frame 11. The drive mechanism 14 is a hydraulic cylinder. The drive mechanism 14 is used to drive the counterweight plate 13 to slide inside the hoisting frame 11, thereby adjusting the position of the counterweight plate 13, balancing the center of gravity of the girder 1, reducing the risk of the girder 1 swaying or tilting during hoisting, thereby improving the stability of the girder 1, and transferring the girder 1 to the set position, thereby reducing the time spent by workers to correct the girder 1, and improving construction efficiency and progress.

[0042] The counterweight plate 13 is equipped with a transmission mechanism 2, a limiting component 4, a pushing component 5, and a counterweight block 15. There are two transmission mechanisms 2, located on opposite sides of the counterweight plate 13. Each transmission mechanism 2 includes a transmission plate 21, a transmission block 22, and a transmission rod 23. The vertically positioned transmission plate 21 is located on one side of the counterweight plate 13 and is fixedly connected to its side wall. A transmission groove 31 is vertically formed at the top of the transmission plate 21. Two limiting grooves 32 are horizontally formed on the side wall of the transmission groove 31. The horizontally positioned transmission block 22 is located within the transmission groove 31 and is slidably connected to its side wall. There are also two limiting components 4 and two pushing components 5, located on opposite sides of the transmission block 22. Each limiting component 4 and each pushing component 5 corresponds one-to-one with one of the two limiting grooves 32. Each limiting component 4 includes a telescopic rod 42, a limiting plate 41, and a limiting spring 43. One end of the horizontally arranged telescopic rod 42 is fixedly connected to the side wall of the transmission block 22, and the other end of the telescopic rod 42 extends through the transmission groove 31 into the limiting groove 32 and is slidably connected to the side wall of the limiting groove 32. The vertically arranged limiting plate 41 is located at the end of the telescopic rod 42 and is fixedly connected to the telescopic rod 42. The side wall of the limiting plate 41 is slidably connected to the side wall of the transmission groove 31 and then transmits to the limiting groove 32 and is slidably connected to the side wall of the limiting groove 32. A ball bearing 33 is installed on the side wall of the limiting plate 41. One side of the ball bearing 33 is rotatably connected to the side wall of the limiting plate 41, and the other side of the ball bearing 33 contacts the side wall of the limiting groove 32. The horizontally arranged limiting spring 43 is sleeved on the telescopic rod 42. One end of the limiting spring 43 is fixedly connected to the side wall of the transmission block 22, and the other end of the limiting spring 43 is fixedly connected to the side wall of the limiting plate 41. A horizontally positioned push screw 51 is located on the side of the limiting plate 41 away from the telescopic rod 42, and the end of the push screw 51 abuts against the side wall of the limiting plate 41. The side wall of the horizontally positioned threaded sleeve 52 is rotatably connected to the side wall of the transmission block 22. The end of the threaded sleeve 52 extends into the limiting groove 32 and is rotatably connected to the side wall of the limiting groove 32. The threaded sleeve 52 is sleeved on the push screw 51, and the inner side wall of the threaded sleeve 52 is threadedly connected to the push screw 51. Each threaded sleeve 52 is equipped with a rotating component 6. The system includes a rotating motor 61, a driven wheel 62, and a driving wheel 63. The rotating motor 61 is located on the side wall of the transmission plate 21 and is fixedly connected to the transmission plate 21. The output shaft of the rotating motor 61 is coaxially and fixedly connected to the driven wheel 62. The side wall of the vertically arranged driven wheel 62 is rotatably connected to the side wall of the transmission plate 21. The vertically arranged driving wheel 63 is located on one side of the driven wheel 62 and is meshed with the driven wheel 62. The driving wheel 63 is sleeved on the threaded sleeve 52 and is coaxially and fixedly connected to the threaded sleeve 52. A vertically arranged transmission rod 23 is located at the bottom of the transmission block 22 and is detachably connected to the transmission block 22 by bolts. The bottom of the transmission rod 23 is fixedly connected to the top of the counterweight block 15.

[0043] When hoisting the steel box girder, if the wind speed in the hoisting environment is high, the workers adjust the position of the counterweight plate 13 and the counterweight block 15 to prevent the girder 1 from swaying due to the wind speed. This allows the workers to transfer the girder 1 to the set position, reducing the time spent correcting deviations caused by girder 1 misalignment and preventing construction from being halted due to high wind speed, thus improving construction efficiency and progress. Simultaneously, when transferring the counterweight block 15 to the set position, the top of the counterweight block 15 is connected to the transfer block 22 via the transfer plate 21. The transfer block 22 is then moved along the length of the transfer groove 31 until its bottom abuts against the bottom of the transfer groove 31. At this point, driven by the elastic potential energy of the limiting spring 43 on the transfer block 22, the side wall of the limiting plate 41 slides into contact with the side wall of the limiting groove 32, thus limiting the counterweight block 15 and facilitating its installation. When the worker disassembles the counterweight 15, the worker adjusts the rotating motor 61. The output shaft of the rotating motor 61 rotates, which drives the driven wheel 62 to rotate synchronously. Through the driving wheel 63, the screw sleeve 52 rotates synchronously, thereby driving the push screw 51 to rotate synchronously. The end of the push screw 51 abuts against the side wall of the limiting plate 41, thereby moving the limiting plate 41 in the direction close to the transmission block 22 until the side wall of the limiting plate 41 disengages from the side wall of the limiting groove 32. This facilitates the disassembly of the transmission block 22 from the transmission groove 31, thus making it easier for the worker to disassemble the counterweight 15.

[0044] When the wind speed in the hoisting environment is higher, workers install several counterweights 15, which are distributed vertically. Adjacent counterweights 15 are each equipped with a connector 7 and an abutment 9. The connector 7 includes a connecting plate 71 and a connecting block 72, and the abutment 9 includes an abutment spring 92 and an abutment plate 91. The horizontally positioned connecting plate 71 is located at the bottom of the counterweight 15 and is fixedly connected to it. A horizontal connecting groove 81 is formed on the side wall of the connecting plate 71, and a vertical abutment groove 82 is formed on the top of the connecting plate 71, communicating with the connecting groove 81. A vertical plate 83 is installed on the top of the connecting plate 71, and the vertically positioned vertical plate 83 is L-shaped, with its bottom fixedly connected to the top of the connecting plate 71. The horizontally positioned connecting plate 71 is located within the connecting groove 81 and is slidably connected to the side wall of the connecting groove 81, with its bottom fixedly connected to the top of the counterweight 15. One end of the vertically arranged abutment spring 92 is fixedly connected to the vertical plate 83, and the other end of the abutment spring 92 extends into the abutment groove 82 and is fixedly connected to the abutment plate 91. The vertically arranged abutment plate 91 is slidably connected to the side wall of the abutment groove 82. The side wall of the abutment plate 91 abuts against the side wall of the connecting block 72. The abutment plate 91 is used to cover the connecting groove 81, so that after the connecting block 72 is transferred into the connecting groove 81, the connecting block 72 is not easy to detach from the connecting groove 81.

[0045] When the wind speed in the hoisting environment increases but does not exceed the maximum threshold, the workers adjust the number of counterweights 15 to adapt to different wind speeds. At this time, the workers adjust the abutment spring 92 on the connecting plate 71, causing the abutment plate 91 to move upward until it disengages from the connecting groove 81. The workers then adjust the position of the connecting block 72, allowing it to be transferred into the connecting groove 81. Driven by the elastic potential energy of the abutment spring 92, the abutment plate 91 moves vertically downward. At this time, the abutment plate 91 covers the connecting groove 81, and the side wall of the abutment plate 91 abuts against the side wall of the connecting block 72, making it difficult for the connecting block 72 to disengage from the connecting groove 81. Consequently, it is difficult for the counterweights 15 to disengage from the connecting plate 71, improving the stability of the counterweights 15 and making it easier for workers to adjust the number of counterweights 15 to adapt to different wind speeds. This makes it less likely for workers to be unable to carry out construction due to high wind speeds, further improving construction efficiency and progress.

[0046] The working principle of this utility model is as follows:

[0047] In this embodiment, when a steel box girder hoisting and stabilizing device is in use, the worker hoists the steel box girder. When the wind speed is high during hoisting, the worker adjusts the position of the counterweight plate 13 to balance the center of gravity of the girder 1, reducing the risk of the girder 1 swaying or tilting during hoisting, thereby improving the stability of the girder 1 and transferring the girder 1 to the set position, so that the girder 1 is not prone to deviating from the set trajectory. When the wind speed increases, the workers install the counterweight 15, so that the transmission rod 23 at the top of the counterweight 15 is connected to the bottom of the transmission block 22. The side wall of the transmission block 22 slides along the side wall of the transmission groove 31 until the bottom of the transmission block 22 abuts against the bottom wall of the transmission groove 31. At this time, driven by the elastic potential energy of the limiting spring 43, the side wall of the limiting plate 41 slides with the side wall of the limiting groove 32, thereby limiting the transmission block 22, and then limiting the counterweight 15 on one side of the counterweight plate 13. This also makes it easier for workers to install the counterweight 15, adapt to the wind speed, and prevent the wind speed from causing the beam 1 to deviate from the set trajectory, thereby reducing the time required for workers to correct the deviation and improving construction efficiency and progress. When the wind speed decreases, in order to adapt to the wind speed, the staff needs to remove the counterweight block 15 on one side of the counterweight plate 13. At this time, the staff starts the rotating motor 61. The output shaft of the rotating motor 61 rotates and drives the driven wheel 62 to rotate synchronously, thereby driving the driving wheel 63 to rotate synchronously. The rotation of the driving wheel 63 drives the screw sleeve 52 to rotate synchronously, which in turn drives the push screw 51 to move synchronously. After the push screw 51 abuts against the limiting plate 41, it continues to move, so that the limiting plate 41 moves in the direction close to the transmission block 22 until the side wall of the limiting plate 41 separates from the side wall of the limiting groove 32, thereby facilitating the separation of the transmission block 22 from the transmission groove 31, and thus facilitating the separation of the counterweight block 15 from the counterweight plate 13. Furthermore, when the ambient wind speed increases further, workers install several counterweights 15 in sequence. At this time, workers first adjust the abutment plate 91 to disengage it from the connecting groove 81, and then adjust the position of the connecting block 72 so that the connecting block 72 is transferred to the set position in the connecting groove 81. Through the elastic potential energy of the abutment spring 92, the bottom of the abutment plate 91 abuts against the side wall of the connecting groove 81, and the side wall of the abutment plate 91 abuts against the side wall of the connecting block 72, thereby limiting the abutment of the counterweight 15. This makes it difficult for the counterweight 15 to disengage from the connecting groove 81 and adapts to different wind speeds. At the same time, it is not necessary for the position of the beam 1 to deviate from the set position due to the large ambient wind speed, reducing the time spent correcting the beam 1 and improving construction efficiency and progress.

[0048] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A steel box girder hoisting and stabilizing device, comprising a hoisting frame (11) located at the top of the girder (1), characterized in that: The lifting frame (11) is provided with a support plate (12), a counterweight plate (13), and a drive mechanism (14). The side wall of the support plate (12) is connected to the lifting frame (11). The counterweight plate (13) is located at the top of the beam (1). The counterweight plate (13) is located inside the lifting frame (11) and is slidably connected to the lifting frame (11). The drive mechanism (14) is connected to the counterweight plate (13) and is used to drive the drive plate to move. The side wall of the counterweight plate (13) is provided with a counterweight block (15) and a transmission mechanism (2). The transmission mechanism (2) includes a transmission plate (21). The transmission plate (21) is connected to the side wall of the counterweight plate (13). A transmission groove (31) is vertically opened on the side of the transmission plate (21) away from the counterweight plate (13); a transmission block (22) is located in the transmission groove (31) and is slidably connected to the side wall of the transmission groove (31). A transmission rod (23) and a limiting member (4) are provided on the transmission block (22). The transmission rod (23) is located at the bottom of the transmission block (22) and is connected to the transmission block (22). The bottom of the transmission rod (23) is connected to the top of the counterweight block (15). The side wall of the transmission rod (23) is slidably connected to the side wall of the transmission groove (31). The limiting member (4) is connected to the transmission block (22) and is used to limit the transmission block (22).

2. The steel box girder hoisting and stabilizing device according to claim 1, characterized in that: A limiting groove (32) is horizontally formed on the side wall of the transmission groove (31). The limiting groove (32) is connected to the transmission groove (31). There are two limiting members (4), which are located on both sides of the transmission block (22). Each limiting member (4) includes a limiting plate (41) located on one side of the transmission block (22). One side of the limiting plate (41) is slidably connected to the side wall of the limiting groove (32). The other side of the limiting plate (41) is used to connect with the transmission block (22). The side wall of the transmission block (22) is abutted; the telescopic rod (42) is located in the limiting groove (32), one end of the telescopic rod (42) is connected to the side wall of the transmission block (22), and the other end of the telescopic rod (42) is connected to the limiting plate (41); the limiting spring (43) is sleeved on the telescopic rod (42), one end of the limiting spring (43) is connected to the side wall of the limiting plate (41), and the other end of the limiting spring (43) is connected to the side wall of the transmission block (22).

3. The steel box girder hoisting and stabilizing device according to claim 2, characterized in that: The side wall of the transmission plate (21) is provided with a pusher (5). There are two pushers (5), which are located on both sides of the transmission block (22). Each pusher (5) includes: a pusher screw (51), which is located in the limiting groove (32) and the end of the pusher screw (51) abuts against the side wall of the limiting plate (41); a screw sleeve (52), which is inserted through the side wall of the transmission plate (21) and extends into the limiting groove (32). One end of the screw sleeve (52) is sleeved on the end of the pusher screw (51) and threadedly connected to the pusher screw (51). The other end of the screw sleeve (52) is connected to the side wall of the transmission plate (21). Each screw sleeve (52) is provided with a rotating component (6) for driving the screw sleeve (52) to rotate.

4. The steel box girder hoisting and stabilizing device according to claim 3, characterized in that: The rotating component (6) includes: a driving wheel (63), which is sleeved on the threaded sleeve (52) and coaxially connected to the threaded sleeve (52), and the side wall of the driving wheel (63) is connected to the side wall of the transmission plate (21); a driven wheel (62), which is located on one side of the driving wheel (63) and meshes with the driving wheel (63), and the side wall of the driven wheel (62) is connected to the side wall of the transmission plate (21); and a rotating motor (61), which is located on the side wall of the transmission plate (21) and connected to the transmission plate (21), and the output shaft of the rotating motor (61) is coaxially connected to the driven wheel (62).

5. The steel box girder hoisting and stabilizing device according to claim 1, characterized in that: There are several counterweights (15), and each adjacent counterweight (15) is provided with a connector (7). Each connector (7) includes: a connecting plate (71), which is located at the bottom of the counterweight (15) and connected to the counterweight (15). A connecting groove (81) is horizontally opened at the bottom of the connecting plate (71), and an abutment (9) is provided on the connecting plate (71); and a connecting block (72), which is located at the top of the counterweight (15) and connected to the counterweight (15). The top of the connecting block (72) extends into the connecting groove (81) and is slidably connected to the side wall of the connecting groove (81).

6. The steel box girder hoisting stabilization device according to claim 5, characterized in that: The top wall of the connecting groove (81) is vertically provided with an abutment groove (82), the abutment groove (82) is connected to the connecting groove (81), the top of the connecting plate (71) is provided with a vertical plate (83), and the abutment member (9) includes: an abutment plate (91), the abutment plate (91) is located on the side wall of the abutment groove (82) and is slidably connected to the side wall of the abutment groove (82), the abutment plate (91) is used to cover the connecting groove (81); an abutment spring (92), the abutment spring (92) is located on the top of the abutment plate (91), one end of the abutment spring (92) is connected to the abutment plate (91), and the other end of the abutment spring (92) is connected to the vertical plate (83).

7. The steel box girder hoisting and stabilizing device according to claim 2, characterized in that: Each of the limiting plates (41) is equipped with a ball (33) on its side wall. One side of the ball (33) is connected to the side wall of the limiting plate (41), and the other side of the ball (33) is in contact with the side wall of the limiting groove (32).

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