Steel structure box girder hoisting device with high stability
By installing tilt detection components and segment marking components on the steel box girder hoisting device, the problem of tilt correction during the steel box girder hoisting process was solved, enabling rapid and accurate axis correction and improving hoisting stability and construction efficiency.
Patent Information
- Application Number
- CN202423218381.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-11-11
- Estimated Expiration
- 2034-12-26
AI Technical Summary
During the hoisting of steel box girders, construction workers have difficulty accurately correcting their tilt angle, which makes it inconvenient to place and erect them. In particular, the correction of large-span steel box girders requires the coordinated operation of multiple people, and there is uncertainty in relying on visual observation.
A stable and high-precision steel box girder hoisting device is adopted, equipped with tilt detection components and segment marking components. The tilt angle of the steel box girder is detected by the rotation of the movable column and the toothed sleeve, and the information is fed back by the contact sensor. With the help of the segment marking on the guy rope, the device guides the construction personnel to quickly correct the axis deviation.
It enables precise detection and rapid correction of the tilt angle of steel box girders, improves hoisting stability, reduces the uncertainty of human operation, and simplifies the construction process.
Smart Images
Figure CN223534688U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of box girder hoisting technology, and in particular to a highly stable steel structure box girder hoisting device. Background Technology
[0002] Steel box girders, also known as steel plate box girders, are a common structural form for long-span bridges. They are generally used on bridges with large spans and usually require the use of cranes for hoisting during installation.
[0003] During the hoisting of steel box girders, the girders will sway and tilt to some extent. When the steel box girders are placed on the piers, construction workers need to use guy ropes on the ground to correct the axial angle deviation of the steel box girders to help them be quickly placed and erected. However, since the steel box girders are at a certain height from the ground, the tilt angle of the steel box girders may be uncertain when the construction workers at the four corners observe it with the naked eye. Moreover, the span of steel box girders is generally large, and when the steel box girders tilt, the construction workers at the four corners need to work together effectively to pull and release the guy ropes to ensure that the steel box girders are effectively corrected. The placement and correction of steel box girders is quite inconvenient.
[0004] Therefore, we propose a stable and high-performance steel structure box girder hoisting device. Utility Model Content
[0005] The present invention aims to solve the technical problems existing in the prior art and provide a stable and highly reliable steel structure box girder hoisting device.
[0006] To achieve the above objectives, the present invention adopts the following technical solution: a stable and high-performance steel structure box girder hoisting device, including a hanger, on which a hanging plate is movably installed, and a movable column is rotatably installed inside the hanger. Four hoisting ropes are fixedly installed on the movable column, one end of each hoisting rope is connected to a hook, and the hoisting rope is connected to the hook through a hook. A guy rope is connected to the hook through a hook, and a segmentation marking component is provided on the guy rope. An tilt detection component is provided on the hanger.
[0007] The tilt detection assembly includes a toothed sleeve 1, which is fixedly installed on the outer circular wall of the movable column. A toothed sleeve 2 is fixedly installed on the side of the outer circular wall of the movable column opposite to the toothed sleeve 1. The inside of the hanger is provided with a movable plate 1 and a movable plate 2. A contact sensor 1 is fixedly installed on the movable plate 1 and a contact sensor 2 is fixedly installed on the movable plate 2.
[0008] The segmented marking assembly includes segmented sleeves evenly fixedly installed on the segmented cable wind ropes.
[0009] Preferably, the tilt detection assembly further includes inner plates, two inner plates are fixedly installed on both sides of the inner wall of the hanger, the movable column is rotatably installed between the two inner plates, and two mounting plates are symmetrically fixedly installed on both sides of the inner side of the hanger.
[0010] Preferably, the first movable plate is rotatably mounted on a mounting plate on one side, and the second movable plate is rotatably mounted on a mounting plate on the other side. Both the first and second movable plates are provided with grooves for mounting the first and second contact sensors.
[0011] Preferably, the tilt detection assembly further includes an inner push plate, which is movably installed inside the groove. A spring is fixedly installed inside the groove, and one end of the spring is fixedly connected to the inner push plate.
[0012] Preferably, both the first movable plate and the second movable plate are rotatably mounted on the mounting plate via a rotating shaft, and a torsion spring is sleeved on the rotating shaft used to connect the first movable plate and the second movable plate.
[0013] Preferably, the tilt detection assembly also includes a support plate, with two support plates fixedly installed on the hanger. The support plates are located on the lower side of the mounting plate and are threadedly connected to the hanger by bolts.
[0014] Preferably, the segmentation marking assembly further includes a cut-off ring, which is disposed between every two adjacent segment sleeves and is fixedly connected to the two adjacent segment sleeves.
[0015] This utility model provides a highly stable steel structure box girder hoisting device, which has the following improvements and advantages compared with the prior art: By setting up an inclination detection component, when the steel box girder is positioned and erected, the movable column rotates to drive the toothed sleeve one and toothed sleeve two to rotate, and the inner push plate presses against the corresponding side contact sensor one or contact sensor two. The number of contacts of contact sensor one and contact sensor two fed back to the system reflects the angle of clockwise or counterclockwise rotation of the movable column. The length of the guy ropes at the four corners to be retracted is set according to the different inclination angles of the steel box girder, and the length to be retracted is marked by segmented sleeves on the guy ropes. Construction personnel can quickly grasp the length of the guy ropes to be retracted by using the different colors on the segmented sleeves, so as to help quickly correct the axial deviation of the box girder. Attached Figure Description
[0016] To more clearly illustrate the embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.
[0017] Figure 1 A structural schematic diagram of a high-stability steel box girder hoisting device proposed in this utility model;
[0018] Figure 2 for Figure 1 Enlarged view of point A in the middle;
[0019] Figure 3 A schematic diagram of the tilt detection component in a high-stability steel box girder hoisting device proposed in this utility model;
[0020] Figure 4 A schematic diagram of the installation of movable columns in a high-stability steel structure box girder hoisting device proposed in this utility model;
[0021] Figure 5 A schematic diagram of the installation of contact sensor one in a high-stability steel structure box girder hoisting device proposed in this utility model.
[0022] Figure 6 This is a schematic diagram of the installation of contact sensor two in a high-stability steel structure box girder hoisting device proposed in this utility model.
[0023] Legend:
[0024] 1. Hanger; 2. Lifting rope; 3. Hanging plate; 4. Lifting hook; 5. Guy rope; 6. Segment sleeve; 7. Cut-off ring; 8. Mounting plate; 9. Support plate; 10. Inner plate; 11. Gear sleeve one; 12. Gear sleeve two; 13. Movable plate one; 14. Movable plate two; 15. Movable column; 16. Contact sensor one; 17. Inner push plate; 18. Spring; 19. Contact sensor two. Detailed Implementation
[0025] 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.
[0026] A stable and high-performance steel box girder hoisting device, such as Figure 1 - Figure 6As shown, the system includes a hanger 1, on which a hanging plate 3 is movably mounted. The hanging plate 3 is connected to an external crane via multiple steel cables. A movable column 15 is rotatably mounted inside the hanger 1, and four lifting ropes 2 are fixedly mounted on the movable column 15. One end of each lifting rope 2 is connected to a hook 4, which is then connected to the hook 4 via a hook. The four hooks 4 are welded to the four corners of the top of the steel box girder. Guy ropes 5 are connected to the hooks 4 via hooks. These four hooks 4, welded to the four corners of the top of the steel box girder, ensure the balance of the steel box girder during hoisting, improving hoisting stability. Simultaneously, the guy ropes 5, in conjunction with the steel box girder, provide traction and adjustment during hoisting, further enhancing its hoisting stability. Furthermore, during the placement and erection of the steel box girder, construction personnel can use the four guy ropes 5 at the four corners of the steel box girder to make minor adjustments, correcting the axis of the steel box girder during placement. To address the deviation, the guy ropes 5 are equipped with segmented marking components. These components assist construction workers in making segmented adjustments based on the tilt angle of the steel box girder during alignment. The hanger 1 is equipped with a tilt detection component, which detects the tilt angle of the steel box girder during its placement. This assists construction workers in correcting the placement deviation by using the four guy ropes 5 at the four corners for traction. The tilt detection component detects the tilt angle deviation of the steel box girder along its axis during placement and erection. Based on the feedback of the tilt angle deviation, the construction workers are alerted and the guy ropes 5 are tractioned a set distance using the segmented marking components to assist in correcting the tilt deviation. This also helps to quickly correct axial deviation during the erection of the steel box girder, aiding in its rapid placement.
[0027] Furthermore, the tilt detection assembly includes two inner plates 10, which are fixedly installed on both sides of the inner wall of the hanger 1. A movable column 15 is rotatably installed between the two inner plates 10. A toothed sleeve 11 is fixedly installed on the outer circular wall of the movable column 15. The toothed sleeve 11 is composed of an arc-shaped plate and multiple toothed blocks. A toothed sleeve 2 12 is fixedly installed on the side of the outer circular wall of the movable column 15 opposite to the toothed sleeve 11. The toothed sleeve 2 12 is also composed of an arc-shaped plate and multiple toothed blocks. Two mounting plates 8 are symmetrically fixedly installed on both sides of the interior of the hanger 1. The mounting plates 8 are threadedly connected to the hanger 1 by bolts. One side of the mounting plate 8... A movable plate 13 is rotatably mounted on the mounting plate 8 via a rotating shaft. A torsion spring is fitted on the rotating shaft connecting the movable plate 13. A second movable plate 14 is rotatably mounted on the mounting plate 8 via a rotating shaft. A torsion spring is fitted on the rotating shaft connecting the second movable plate 14. A contact sensor 16 is fixedly mounted on the movable plate 13 and is electrically connected to an external controller. A battery is installed on the hanger 1 to power the contact sensor 16. A second contact sensor 14 is fixedly mounted on the movable plate 14. 9. Contact sensor 19 is electrically connected to the peripheral controller. The battery can also power contact sensor 19. Both movable plate 13 and movable plate 14 have grooves for mounting contact sensor 16 and contact sensor 19. An inner push plate 17, which is an arc-shaped block, is slidably installed inside the groove. A spring 18 is fixedly installed inside the groove, with one end of the spring 18 fixedly connected to the inner push plate 17. Two support plates 9 are fixedly installed on the hanger 1, positioned below the mounting plate 8. The support plates 9 are threadedly connected to the hanger 1 with bolts. A tilt detection mechanism is provided. The measuring component, during the placement and erection of the steel box girder, drives the toothed sleeve 11 and toothed sleeve 12 to rotate via the rotation of the movable column 15, and presses the inner push plate 17 to contact the corresponding side of the contact sensor 16 or contact sensor 19. The number of contacts of the contact sensor 16 and contact sensor 19 fed back to the system reflects the angle of clockwise or counterclockwise rotation of the movable column 15. The rotation angle of the movable column 15 can reflect the tilt angle of the steel box girder on the axis. The tilt angle of the steel box girder fed back is used in conjunction with the segment marking component to pull the guy rope 5 to a set distance to assist the steel box girder in quickly correcting the axis deviation.
[0028] Furthermore, the segmented marking component includes segmented sleeves 6 with segmented sleeves 6 evenly fixedly installed on the guy ropes 5. A cutting ring 7 is set between every two adjacent segmented sleeves 6, and the cutting ring 7 is fixedly connected to the two adjacent segmented sleeves 6. Each segmented sleeve 6 is coated with a different marking color, such as red, yellow, green, etc. By setting up the segmented marking component, when the steel box girder is positioned and erected, the number of contacts of the contact sensor 16 and contact sensor 19 fed back to the system reflects the clockwise or counterclockwise rotation angle of the movable column 15. The rotation angle of the movable column 15 reflects the tilt angle of the steel box girder on the axis. The length of the guy ropes 5 at the four corners to be retracted is set according to the different tilt angles of the steel box girder, and the segmented sleeves 6 are used to mark the guy ropes 5 according to the length to be retracted. Construction personnel can quickly grasp the length of the guy ropes 5 to be retracted by using the different colors on the segmented sleeves 6, so as to help quickly correct the axis deviation of the box girder.
[0029] The working principle of this utility model is as follows: When hoisting the steel box girder, multiple lifting plates 3 are connected to an external crane, four lifting ropes 2 are connected to the hooks 4 installed at the four corners of the top of the steel box girder through hooks, and four guy ropes 5 are connected to the hooks 4 at the four corners through hooks. After assembly, the steel box girder is hoisted.
[0030] After the steel box girder is hoisted above the two piers to be erected, it is ready to be placed and erected. If the steel box girder sways or tilts on the axis during the placement and erection of the steel box girder, the steel box girder and the four hoisting ropes 2 connected to it will cause the movable column 15 to rotate around its center. When the movable column 15 rotates clockwise or counterclockwise, the steel box girder tilts.
[0031] When the movable column 15 rotates clockwise or counterclockwise, either the first gear sleeve 11 or the second gear sleeve 12 rotates clockwise following the movable column 15. During the rotation of the first gear sleeve 11, the teeth on it will sequentially contact the inner push plate 17 on the first movable plate 13, and during the rotation of the second gear sleeve 12, the teeth on it will sequentially contact the inner push plate 17 on the second movable plate 14. The inner push plate 17 contacts and slides with the teeth. When the inner push plate 17 slides, it contacts the first contact sensor 16 and feeds back a contact signal to the system. Each time the inner push plate 17 contacts the first contact sensor 16... Each contact triggers a contact signal. The system sets the rotation angle of either toothed sleeve 11 or toothed sleeve 12 upon receiving a contact signal and feeds back the tilt angle of the steel box girder. For example, every 15° rotation of toothed sleeve 11 and movable column 15 causes the toothed block on toothed sleeve 11 to contact the inner push plate 17, and contact sensor 16 sends a contact signal back to the system. Based on the contact signal, the system provides indications for the length of the guy ropes 5 at the four corners. The length indications for the guy ropes 5 are based on the set length of the segmented sleeves 6. For every 15° inclination of the fixed steel box girder, the guy ropes 5 on the higher side of the steel box girder need to be retracted by 20 cm, and the guy ropes 5 on the lower side of the steel box girder need to be loosened by 20 cm. The length of the segment sleeves 6 is set to 20 cm, and different colors are assigned to the segment sleeves 6. For example, if each segment sleeve 6 is 20 cm long, the first segment sleeve 6 is red, the second segment sleeve 6 is green, and the third segment sleeve 6 is yellow. If it is necessary to retract or loosen the guy ropes 5 by a certain length of segment sleeve 6, the system will provide a prompt to the construction personnel. Move the position of the hand-pulling segment 6 from the red beginning of the first segment 6 to the green beginning of the second segment 6. This indicates that the length of the guy rope 5 is 20 cm. Similarly, if the steel box girder is tilted at 30°, the guy rope 5 on the higher side of the steel box girder needs to be pulled back by 40 cm, and the guy rope 5 on the lower side of the steel box girder needs to be loosened by 40 cm. The system will prompt the construction personnel to move the position of the hand-pulling segment 6 from the red beginning of the first segment 6 to the yellow beginning of the third segment 6.
[0032] When erecting the steel box girder, the axial deviation of the steel box girder should be corrected according to the above rules until the steel box girder is placed and erected.
[0033] 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 illustrative of the principles of this 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 claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A stable and high-strength steel structure box girder hoisting device, comprising a hanger (1), characterized in that: A hanging plate (3) is movably installed on the hanger (1). A movable column (15) is rotatably installed inside the hanger (1). Four hanging ropes (2) are fixedly installed on the movable column (15). One end of the hanging rope (2) is connected to a hook (4). The hanging rope (2) is connected to the hook (4) through a hook. A guy rope (5) is connected to the hook (4) through a hook. A segment marking component is provided on the guy rope (5). An tilt detection component is provided on the hanger (1). The tilt detection assembly includes a toothed sleeve (11), which is fixedly installed on the outer circular wall of the movable column (15). A toothed sleeve (12) is fixedly installed on the side of the outer circular wall of the movable column (15) opposite to the toothed sleeve (11). The inside of the hanger (1) is provided with a movable plate (13) and a movable plate (14). A contact sensor (16) is fixedly installed on the movable plate (13) and a contact sensor (19) is fixedly installed on the movable plate (14). The segmented marking assembly includes segmented sleeves (6) and guy ropes (5) on which segmented sleeves (6) are evenly fixed.
2. The high-stability steel structure box girder hoisting device according to claim 1, characterized in that: The tilt detection assembly also includes an inner plate (10), two inner plates (10) are fixedly installed on both sides of the inner wall of the hanger (1), the movable column (15) is rotatably installed between the two inner plates (10), and two mounting plates (8) are symmetrically fixedly installed on both sides of the inside of the hanger (1).
3. The high-stability steel structure box girder hoisting device according to claim 2, characterized in that: The first movable plate (13) is rotatably mounted on the mounting plate (8) on one side, and the second movable plate (14) is rotatably mounted on the mounting plate (8) on the other side. Both the first movable plate (13) and the second movable plate (14) are provided with grooves for mounting the first contact sensor (16) and the second contact sensor (19).
4. The high-stability steel structure box girder hoisting device according to claim 3, characterized in that: The tilt detection assembly also includes an inner push plate (17), which is movably installed inside the groove. A spring (18) is fixedly installed inside the groove, and one end of the spring (18) is fixedly connected to the inner push plate (17).
5. The high-stability steel structure box girder hoisting device according to claim 3, characterized in that: Both movable plate one (13) and movable plate two (14) are rotatably mounted on the mounting plate (8) via a rotating shaft, and a torsion spring is sleeved on the rotating shaft used to connect movable plate one (13) and movable plate two (14).
6. The high-stability steel structure box girder hoisting device according to claim 1, characterized in that: The tilt detection assembly also includes a support plate (9), two support plates (9) are fixedly installed on the hanger (1), the support plate (9) is located on the lower side of the mounting plate (8), and the support plate (9) is threadedly connected to the hanger (1) by bolts.
7. The high-stability steel structure box girder hoisting device according to claim 1, characterized in that: The segmentation marking assembly also includes a cut-off ring (7), which is disposed between every two adjacent segment sleeves (6) and is fixedly connected to the two adjacent segment sleeves (6).