Large-span steel structure high-altitude hoisting auxiliary device
By designing the servo motor drive gear system and limiting card plate, and automatically adjusting and locking the angle between the hoisting rail and the hoisting arm, the problem of manual adjustment in the prior art is solved, and the efficiency and safety of welding and assembly of large-span steel structures is improved.
Patent Information
- Application Number
- PCT/CN2024/110712
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-08-08
- Publication Date
- 2025-07-03
AI Technical Summary
After the lifting of the existing large-span steel structure is completed, the construction personnel need to manually adjust the angle between the hoisting rail and the boom, and the adjusted angle does not have a locking function, resulting in inconvenient welding assembly.
A high-altitude lifting auxiliary device for a large-span steel structure is designed. The angle between the lifting rail and the lifting arm is automatically adjusted through the servo motor drive gear system, and the angle locking is achieved through the limiting card plate and the return spring, simplifying the operation of construction personnel.
Automatic adjustment and locking of the angle between the hoisting rail and the hoisting arm is realized, which facilitates construction personnel to weld and assemble large-span steel structures, and improves construction efficiency and safety.
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Figure CN2024110712_03072025_PF_FP_ABST
Abstract
Description
A large-span steel structure high-altitude hoisting auxiliary device Technical Field
[0001] The invention relates to the technical field of high-altitude hoisting of steel structures, in particular to an auxiliary device for high-altitude hoisting of large-span steel structures. Background Art
[0002] The construction methods of large-span steel structures are basically divided into high-altitude segmented lifting, overall sliding, ground assembly and overall lifting. In the construction of large-span high-altitude steel structures, there are large spans and high installation heights.
[0003] However, in the existing technology, after the existing large-span steel structure is hoisted, construction workers are required to weld and assemble the hoisted span steel structure. However, the construction workers cannot directly hoist along with the steel structure. The workers need to ride on the hoisting railing and hold tools to weld and assemble the hoisted span steel structure, thereby assisting the welding of the hoisted span steel structure. However, the existing hoisting railing that the construction workers ride on requires manual hand-cranking to adjust the angle between the boom and the hoisting railing, and the adjusted angle between the hoisting railing and the boom does not have a locking function.
[0004] Therefore, we need a large-span steel structure high-altitude lifting auxiliary device to solve the problem of adjusting the clamps between the large-span steel structure welding assembly lifting rails and the boom, and can also lock the clamps between the large-span steel structure lifting rails and the boom. Summary of the Invention
[0005] The purpose of the present invention is to provide a large-span steel structure high-altitude lifting auxiliary device to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: an auxiliary device for high-altitude lifting of large-span steel structures, comprising a lifting bar, the inner surface of the lifting bar being fixedly connected to the bottom end of the fixing rod, the top end of the fixing rod being fixedly connected to the bottom surface of the stabilizing block, the side surface of the stabilizing block being fixedly connected to the inner surface of the side panel of the lifting bar, the top surface of the stabilizing block being provided with a protective cover, the protective cover being provided on the bottom surface of the mounting plate, the bottom surface of the mounting plate being fixedly connected to the top end of the rotating rod, and the surface of the rotating rod being rotatably connected to the surface of the through hole.
[0007] Preferably, the through hole and the stabilizing groove are communicated with each other, and the stabilizing groove is an annular groove.
[0008] Preferably, a stabilizing groove is provided on the surface of the through hole, a stabilizing bearing is fixedly connected to the surface of the stabilizing groove, the inner ring surface of the stabilizing bearing is fixedly connected to the surface of the rotating rod, the stabilizing groove and the through hole are communicated with each other, a bearing groove is provided on the surface of the through hole, the surface of the bearing groove is fixedly connected to the limit bearing, and the inner ring surface of the limit bearing is fixedly connected to the surface of the rotating rod.
[0009] Preferably, the top surface of the stabilizing block is fixedly connected to the bottom end of the protective cover, the inside of the protective cover is rotatably connected to the surface of the rotating rod, the surface of the rotating rod is fixedly connected to a driving gear ring, the teeth of the driving gear ring engage with the teeth of the transmission gear, the inside of the transmission gear is fixedly connected to the surface of the limiting rotating rod, the bottom of the limiting rotating rod is fixedly connected to the top surface of the stabilizing block, the teeth of the transmission gear engage with the teeth of the meshing gear, the top surface of the meshing gear is fixedly connected to the end of the power output shaft of the servo motor, and the top surface of the servo motor is fixedly connected to the inner top surface of the protective cover.
[0010] Preferably, a notch is provided on the surface of the protective cover, a reset spring is fixedly connected to the surface of the notch, the bottom end of the reset spring is fixedly connected to the top surface of the limiting clamp, a limiting bayonet is provided on the surface of the side plate of the limiting clamp, the surface of the limiting bayonet is engaged with the surface of the notch, the end teeth of the limiting clamp engage with the teeth of the transmission gear, and the surface of the limiting clamp is movably connected to the surface of the notch.
[0011] Preferably, the limiting bayonet is arranged in a "concave" shape, the depth of the notch is equal to the width of the limiting bayonet, there are two limiting bayonet, and the two limiting bayonet are symmetrically arranged along the center point of the limiting card plate.
[0012] Preferably, the cross-section of the limiting rotating rod is set in a "T" shape, the surface of the limiting rotating rod is fixedly connected to the inner ring surface of the stabilizing block, the bottom end of the limiting rotating rod is provided with a bearing ring, and the bottom end of the bottom bearing ring of the limiting rotating rod is fixedly connected to the top surface of the stabilizing block.
[0013] Preferably, the notch completely penetrates the surface of the protective cover, the notch is arranged in a square shape, and the surface of the notch abuts against the bottom surface of the limiting clamping plate.
[0014] Preferably, the outer ring surface of the limit bearing is provided with an integrally formed convex ring, the convex ring on the limit bearing surface is fixedly connected to the concave ring surface of the bearing groove, and the concave ring on the bearing groove surface is communicated with the through hole.
[0015] Preferably, the stabilizing block is arranged in an "L" shape, and the top surface of the stabilizing block is fixedly connected to the bottom surface of the protective cover by bolts. A through hole is opened on the top surface of the protective cover, and the surface of the through hole on the top surface of the protective cover is rotatably connected to the surface of the rotating rod, and the surface of the rotating rod is fixedly connected to the inner ring surface of the driving gear ring, and the radius size of the driving gear ring is equal to half the radius size of the transmission gear.
[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: by setting a through hole between the stabilizing groove and the bearing groove, the inner ring surface of the stabilizing bearing and the limit bearing is fixedly connected to the surface of the rotating rod, so that the mounting plate can be adjusted as the rotating rod rotates inside the stabilizing block, and the fixed connection between the lifting arm and the mounting plate plays a stabilizing role when adjusting the angle between the lifting arm and the lifting bar. When the servo motor is started, the transmission gear drives the driving gear ring to rotate automatically, so that the lifting bar and the lifting arm can be automatically adjusted. There is no need for workers to adjust the angle between the lifting bar and the lifting arm by manually cranking the handle, which makes it convenient for workers to weld and assemble the large-span steel structure after the lifting is completed by riding on the lifting bar. By clamping the surface of the limit bayonet to the surface of the notch, the movement of the limit bayonet on the surface of the notch is limited. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 is a schematic perspective view of the overall structure of the present invention:
[0018] Figure 2 is a schematic top view of a structural stabilizing block according to the present invention:
[0019] FIG3 is a cross-sectional view taken along line AA in FIG2 of the present invention:
[0020] Figure 4 is a schematic diagram of the connection between the structural stabilizing block and the lifting arm of the present invention:
[0021] Figure 5 is a schematic diagram of the connection between the protective cover and the rotating rod of the present invention:
[0022] Figure 6 is a schematic diagram showing the connection between the structurally stable bearing and the limit bearing of the present invention:
[0023] Figure 7 is a three-dimensional schematic diagram of the protective cover structure of the present invention:
[0024] Figure 8 is a schematic diagram of the connection between the limit card plate and the return spring structure of the present invention:
[0025] Figure 9 is a schematic diagram of the connection between the structural stabilizing block and the mounting plate of the present invention:
[0026] FIG10 is an enlarged schematic diagram of point A in FIG7 of the structure of the present invention.
[0027] In the figure: lifting bar 1, fixing rod 2, stabilizing block 3, lifting arm 4, mounting plate 5, protective cover 6, stabilizing groove 7, stabilizing bearing 8, through hole 9, bearing groove 10, limit bearing 11, notch 12, rotating rod 13, driving gear ring 14, transmission gear 15, limit rotating rod 16, meshing gear 17, servo motor 18, limit clamping plate 19, limit bayonet 20, return spring 21. DETAILED DESCRIPTION
[0028] In order to clearly and completely describe the objectives and technical solutions of the present invention and make the advantages more clearly understood, the embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, not all of them, and are only used to explain the embodiments of the present invention, not to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention. Example 1
[0029] Please refer to Figures 1 to 10. The present invention provides a technical solution: an auxiliary device for high-altitude lifting of a large-span steel structure, comprising a lifting fence 1, the inner surface of the lifting fence 1 is fixedly connected to the bottom end of the fixing rod 2, the top of the fixing rod 2 is fixedly connected to the bottom surface of the stabilizing block 3, the side surface of the stabilizing block 3 is fixedly connected to the inner surface of the side plate of the lifting fence 1, the top surface of the stabilizing block 3 is provided with a protective cover 6, the protective cover 6 is provided on the bottom surface of the mounting plate 5, the bottom surface of the mounting plate 5 is fixedly connected to the top end of the rotating rod 13, the surface of the rotating rod 13 is rotatably connected to the surface of the through hole 9, and the lifting fence 1, the fixing rod 2, the fixing rod 2, the fixing rod 2, the fixing rod 3 ... The fixed rod 2 and the stabilizing block 3 are fixedly connected, and then the lifting arm 4 is fixedly connected to the top surface of the stabilizing block 3, so that the lifting fence 1 and the lifting arm 4 are connected. By fixing the bottom surface of the mounting plate 5 to the top of the rotating rod 13, the surface of the rotating rod 13 is rotated to connect to the surface of the through hole 9, so that the angle between the lifting fence 1 and the lifting arm 4 can be adjusted. When the steel structure is hoisted, the construction workers and the steel structure are welded and assembled through the hoisting fence 1. Therefore, the hoisting fence 1 plays an auxiliary role in the welding and assembly of the steel structure after the large-span hoisting is completed. Example 2
[0030] 1 to 10 , on the basis of the first embodiment, in order to achieve a stabilizing effect when adjusting the angle between the lifting arm 4 and the lifting bar 1, a stabilizing groove 7 is provided on the surface of the through hole 9, a stabilizing bearing 8 is fixedly connected to the surface of the stabilizing groove 7, the inner ring surface of the stabilizing bearing 8 is fixedly connected to the surface of the rotating rod 13, the stabilizing groove 7 and the through hole 9 are communicated, a bearing groove 10 is provided on the surface of the through hole 9, a limit bearing 11 is fixedly connected to the surface of the bearing groove 10, and the inner ring surface of the limit bearing 11 is fixedly connected to the surface of the rotating rod 13;
[0031] By providing a through hole 9 between the stabilizing groove 7 and the bearing groove 10, the inner ring surfaces of the stabilizing bearing 8 and the limit bearing 11 are fixedly connected to the surface of the rotating rod 13, so that the mounting plate 5 can be rotated and adjusted inside the stabilizing block 3 as the rotating rod 13 is rotated. Through the fixed connection between the lifting arm 4 and the mounting plate 5, a stabilizing effect is played when the angle between the lifting arm 4 and the lifting bar 1 is adjusted. Example 3
[0032] 1 to 10 , on the basis of the second embodiment, in order to facilitate the workers to weld and assemble the large-span steel structure after the hoisting is completed by riding on the hoisting rail 1, the top surface of the stabilizing block 3 is fixedly connected to the bottom end of the protective cover 6, the inner part of the protective cover 6 is rotatably connected to the surface of the rotating rod 13, the surface of the rotating rod 13 is fixedly connected to the driving gear ring 14, the teeth of the driving gear ring 14 mesh with the teeth of the transmission gear 15, the inner part of the transmission gear 15 is fixedly connected to the surface of the limiting rotating rod 16, the bottom of the limiting rotating rod 16 is fixedly connected to the top surface of the stabilizing block 3, the teeth of the transmission gear 15 mesh with the teeth of the meshing gear 17, the top surface of the meshing gear 17 is fixedly connected to the end of the power output shaft of the servo motor 18, and the top surface of the servo motor 18 is fixedly connected to the inner top surface of the protective cover 6;
[0033] By fixing the surface of the rotating rod 13 to the inside of the driving gear ring 14, meshing the teeth of the driving gear ring 14 with the teeth of the transmission gear 15, and then fixing the inside of the transmission gear 15 to the surface of the limiting rotating rod 16, when the transmission gear 15 rotates, it drives the driving gear ring 14 to drive the rotating rod 13 to rotate inside the stabilizing block 3, and by fixing the end of the power output shaft of the servo motor 18 to the top surface of the meshing gear 17, and then meshing the teeth of the meshing gear 17 with the teeth of the transmission gear 15, when the servo motor 18 is started, the transmission gear 15 drives the driving gear ring 14 to rotate automatically, so that the lifting bar 1 and the lifting arm 4 can be automatically adjusted, and there is no need for workers to adjust the angle between the lifting bar 1 and the lifting arm 4 by manually cranking the handle, which makes it convenient for workers to weld and assemble the large-span steel structure after the lifting is completed by riding on the lifting bar 1. Example 4
[0034] 1 to 10 , on the basis of the third embodiment, in order to achieve the limiting effect of the movement of the limiting card plate 19 on the surface of the notch 12, a notch 12 is provided on the surface of the protective cover 6, a return spring 21 is fixedly connected to the surface of the notch 12, the bottom end of the return spring 21 is fixedly connected to the top surface of the limiting card plate 19, and a limiting bayonet 20 is provided on the side plate surface of the limiting card plate 19. The surface of the limiting bayonet 20 is engaged with the surface of the notch 12, the end teeth of the limiting card plate 19 mesh with the teeth of the transmission gear 15, and the surface of the limiting card plate 19 is movably connected to the surface of the notch 12;
[0035] By opening a notch 12 on the surface of the protective cover 6, the surface of the notch 12 is movably connected to the limiting clamp 19, and the end teeth of the limiting clamp 19 are engaged with the teeth of the transmission gear 15, so that the transmission gear 15 can be firmly locked inside the protective cover 6, thereby having a locking effect on the angle adjustment between the lifting fence 1 and the lifting arm 4, and by arranging a reset spring 21 in the notch 12, the limiting clamp 19 is squeezed by the elastic force of the reset spring 21, and the surface of the limiting clamp 20 is engaged with the surface of the notch 12, thereby having a limiting effect on the movement of the limiting clamp 19 on the surface of the notch 12.
[0036] In actual use, by connecting the stabilizing groove 7 and the bearing groove 10 through the through hole 9, the inner ring surface of the stabilizing bearing 8 and the limit bearing 11 is fixedly connected to the surface of the rotating rod 13, so that the mounting plate 5 can be adjusted as the rotating rod 13 rotates inside the stabilizing block 3. Through the fixed connection between the lifting arm 4 and the mounting plate 5, it plays a stabilizing role when the angle between the lifting arm 4 and the lifting bar 1 is adjusted. By fixing the surface of the rotating rod 13 to the inside of the driving gear ring 14, the teeth of the driving gear ring 14 are engaged with the teeth of the transmission gear 15, and then the inside of the transmission gear 15 is fixedly connected to the surface of the limit rotating rod 16. When the transmission gear 15 rotates, it drives the driving gear ring 14 to drive the rotating rod 13 to rotate inside the stabilizing block 3. By fixing the end of the power output shaft of the servo motor 18 to the top surface of the meshing gear 17, and then the teeth of the meshing gear 17 are engaged with the teeth of the transmission gear 15, when the servo motor is started When the machine 18 is turned, the transmission gear 15 drives the driving gear ring 14 to rotate automatically, so that the lifting fence 1 and the lifting arm 4 can be automatically adjusted, and there is no need for workers to adjust the angle between the lifting fence 1 and the lifting arm 4 by manually cranking the handle, which makes it convenient for workers to weld and assemble the large-span steel structure after the lifting is completed by riding on the lifting fence 1. By opening a notch 12 on the surface of the protective cover 6, the surface of the notch 12 is movably connected to the limiting clamp 19, and the end teeth of the limiting clamp 19 are engaged with the teeth of the transmission gear 15, so that the transmission gear 15 can be firmly locked inside the protective cover 6, thereby having a locking effect on the angle adjustment between the lifting fence 1 and the lifting arm 4, and by setting a return spring 21 in the notch 12, the limit clamp 19 is squeezed by the elastic force of the return spring 21, and the surface of the limiting clamp 20 is engaged with the surface of the notch 12, so as to limit the movement of the limit clamp 19 on the surface of the notch 12.
[0037] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.
Claims
1. An auxiliary device for high-altitude hoisting of long-span steel structures, comprising a hoisting railing (1), characterized in that: The bottom end of the fixed rod (2) is fixedly connected to the inner surface of the hoisting railing (1). The top end of the fixed rod (2) is fixedly connected to the bottom surface of the stabilizing block (3). The side surface of the stabilizing block (3) is fixedly connected to the inner surface of the side plate of the hoisting railing (1). A protective cover (6) is arranged on the top surface of the stabilizing block (3). The protective cover (6) is arranged on the bottom surface of the mounting plate (5). The top end of the rotating rod (13) is fixedly connected to the bottom surface of the mounting plate (5). The surface of the rotating rod (13) is rotatably connected to the surface of the through hole (9).
2. The large-span steel structure high-altitude hoisting auxiliary device according to claim 1, characterized in that: The through hole (9) and the stabilizing groove (7) are communicated with each other, and the stabilizing groove (7) is arranged as an annular groove.
3. The auxiliary device for high-altitude hoisting of a long-span steel structure according to claim 1, characterized in that: The surface of the through hole (9) is provided with a stabilizing groove (7). The surface of the stabilizing groove (7) is fixedly connected with a stabilizing bearing (8). The inner ring surface of the stabilizing bearing (8) is fixedly connected to the surface of the rotating rod (13). The stabilizing groove (7) and the through hole (9) are communicated with each other. The surface of the through hole (9) is provided with a bearing groove (10). The surface of the bearing groove (10) is fixedly connected with a limiting bearing (11). The inner ring surface of the limiting bearing (11) is fixedly connected to the surface of the rotating rod (13).
4. A large-span steel structure high-altitude hoisting auxiliary device according to claim 1, characterized in that: The bottom end of the protective cover (6) is fixedly connected to the top surface of the stabilizing block (3). The surface of the rotating rod (13) is rotatably connected inside the protective cover (6). A driving gear ring (14) is fixedly connected to the surface of the rotating rod (13). The teeth of the driving gear ring (14) are meshed with the teeth of the transmission gear (15). The surface of the limiting rotating rod (16) is fixedly connected inside the transmission gear (15). The bottom of the limiting rotating rod (16) is fixedly connected to the top surface of the stabilizing block (3). The teeth of the transmission gear (15) are meshed with the teeth of the meshing gear (17). The top surface of the meshing gear (17) is fixedly connected to the end of the power output shaft of the servo motor (18). The top surface of the servo motor (18) is fixedly connected to the inner top surface of the protective cover (6).
5. The large-span steel structure high-altitude hoisting auxiliary device according to claim 1, characterized in that: A notch (12) is provided on the surface of the protective cover (6). A return spring (21) is fixedly connected to the surface of the notch (12). The bottom end of the return spring (21) is fixedly connected to the top surface of the limiting clamping plate (19). A limiting clamping opening (20) is provided on the side plate surface of the limiting clamping plate (19). The surface of the limiting clamping opening (20) is clamped to the surface of the notch (12). The teeth at the end of the limiting clamping plate (19) are meshed with the teeth of the transmission gear (15). The surface of the limiting clamping plate (19) is movably connected to the surface of the notch (12).
6. The large-span steel structure high-altitude hoisting auxiliary device according to claim 5, characterized in that: The limiting clamping opening (20) is arranged in a "concave" shape. The depth of the notch (12) is equal to the width dimension of the limiting clamping opening (20). Two limiting clamping openings (20) are provided, and the two limiting clamping openings (20) are symmetrically arranged along the center point of the limiting clamping plate (19).
7. An auxiliary device for high-altitude hoisting of a long-span steel structure according to claim 4, characterized in that: The cross section of the limiting rotating rod (16) is arranged in a "T" shape. The surface of the limiting rotating rod (16) is fixedly connected to the inner ring surface of the stabilizing block (3). A bearing ring is arranged at the bottom end of the limiting rotating rod (16). The bottom end of the bearing ring at the bottom of the limiting rotating rod (16) is fixedly connected to the top surface of the stabilizing block (3).
8. The large-span steel structure high-altitude hoisting auxiliary device according to claim 5, characterized in that: The notch (12) completely penetrates the surface of the protective cover (6). The notch (12) is in the shape of a square opening, and the surface of the notch (12) abuts against the bottom surface of the limit clamping plate (19).
9. The large-span steel structure high-altitude hoisting auxiliary device according to claim 3, characterized in that: An integrally formed convex ring is provided on the outer ring surface of the limit bearing (11). The convex ring on the surface of the limit bearing (11) is fixedly connected to the concave ring surface of the bearing groove (10). A communication is provided between the concave ring on the surface of the bearing groove (10) and the through hole (9).
10. A large-span steel structure high-altitude hoisting auxiliary device according to claim 8, characterized in that: The stabilizing block (3) is in an "L" shape. The top surface of the stabilizing block (3) is fixedly connected to the bottom surface of the protective cover (6) by bolts. A through hole is provided on the top surface of the protective cover (6). The surface of the through hole on the top surface of the protective cover (6) is rotatably connected to the surface of the rotating rod (13). The inner ring surface of the driving gear ring (14) is fixedly connected to the surface of the rotating rod (13). The radius dimension of the driving gear ring (14) is equal to one-half of the radius dimension of the transmission gear (15).
Citation Information
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