Intelligent anti-swing device for crane
By designing an anti-swing mechanism in the crane and stabilizing the positioning plate and spreader with connecting rod and guide rod structure, the problem of cable shaking during the lifting process is solved, the safety and stability of the lifting process is improved, and the intelligent anti-swing effect is achieved .
Patent Information
- Application Number
- CN202423128120.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-12-18
AI Technical Summary
During the lifting process, heavy objects shake due to the extension of cables, which poses safety hazards.
An intelligent anti-swing device including main beam, lifting trolley, positioning plate and anti-swing mechanism was designed. Through the connecting rod, guide rod and ring structure, the stability of the positioning plate and spreader during the lifting process is ensured, and the stability of the positioning plate and spreader is prevented from being Rotate and swing greatly.
It effectively prevents the rotation and swing of the positioning plate and spreader, improves the stability and safety of the lifting process, has a compact structure, low cost, and does not interfere with normal use, and has long-term durability and flexibility.
Smart Images
Figure CN222348535U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of cranes, and particularly relates to an intelligent anti-sway device for cranes. Background Art
[0002] A crane is a multi-action lifting machine that can lift and carry heavy objects vertically and horizontally within a certain range. It is also called an overhead crane, an overhead crane, or a crane. The crane makes full use of the space under the bridge to lift materials without being hindered by ground equipment. It is the most widely used and largest type of lifting machine. During the lifting process of existing cranes, due to the long extension of the cable, the heavy objects may shake during the lifting and transfer process, which poses a safety hazard to the lifting. Utility Model Content
[0003] In view of the above situation, in order to overcome the defects of the prior art, the purpose of the utility model is to provide an intelligent anti-sway device for cranes, which effectively solves the problem that the cable is easy to shake and there are safety hazards.
[0004] The technical solution to the technical problem is as follows: it includes a main beam and a lifting trolley, legs are fixed at the left and right ends of the main beam, a trolley running mechanism is installed at the bottom of the legs, the lifting trolley moves left and right on the main beam, a positioning plate is provided under the lifting trolley, and anti-sway mechanisms are provided on the left and right sides of the positioning plate, respectively. The two anti-sway mechanisms are located between the lifting trolley and the positioning plate, and the anti-sway mechanism includes a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod, the first connecting rod and the second connecting rod are respectively hinged to the lifting trolley, the first connecting rod is located in front of the second connecting rod, the third connecting rod and the fourth connecting rod are respectively hinged to the positioning plate, the third connecting rod is located in front of the fourth connecting rod, and a A positioning shaft is set in the front and rear directions, the first connecting rod and the third connecting rod are respectively hinged to the positioning shaft, the second connecting rod and the fourth connecting rod are respectively hinged to the positioning shaft, a first ring is fixed on the positioning shaft, a first guide rod in the horizontal direction is provided on the positioning plate, the first ring slides in the left and right directions on the first guide rod, a second guide rod in the vertical direction is fixed on the support leg, the second guide rod is connected with the second ring for sliding up and down, a third guide rod in the horizontal direction is fixed on the second ring, the first guide rod and the third guide rod are on the same axis, the first guide rod and the third guide rod are fixedly connected, pulley blocks are installed on the left and right ends of the positioning plate, a wire rope is wound on the pulley block, and a reel corresponding to the wire rope is installed on the lifting trolley.
[0005] Preferably, the first guide rod is fixed with a first flange, the third guide rod is fixed with a second flange, and the first flange and the second flange are fixedly connected by bolts.
[0006] Preferably, the two anti-sway mechanisms are symmetrical about the middle position of the positioning plate.
[0007] Preferably, a plurality of hangers are evenly installed on the lower end of the positioning plate.
[0008] Compared with the traditional equipment, the utility model has the following advantages: 1) the anti-sway connecting rods are distributed around the positioning plate, which effectively prevents the positioning plate from rotating in a large range and plays a good preliminary anti-sway role. Under the action of the positioning shaft, the overall stability of multiple connecting rods is further guaranteed. During the lifting process of the sling, the first ring slides left and right on the first guide rod, the first guide rod drives the third guide rod to slide up and down, and the third guide rod drives the second ring to slide up and down in the second guide rod, which further ensures that the first guide rod can only slide up and down, and has a good anti-sway effect. It improves the stability of the overall lifting of the positioning plate and the sling, has a clever structure, low cost, and is convenient and practical; 2) the first guide rod, the positioning shaft, the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod are all located above the positioning plate, occupying a small space, not interfering with the normal use of the sling, and are safe, stable and durable; 3) the first guide rod, the second guide rod and the third guide rod, the first ring and the second ring structure have low friction and good flexibility. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] Figure 1 It is a schematic diagram of the front view of the utility model;
[0010] Figure 2 It is a schematic diagram of the three-dimensional structure of the anti-sway mechanism in the utility model.
[0011] Figure numerals: 1. main beam; 2. lifting trolley; 3. outrigger; 4. positioning plate; 5. first connecting rod; 6. second connecting rod; 7. third connecting rod; 8. fourth connecting rod; 9. positioning shaft; 10. first ring; 11. first guide rod; 12. second guide rod; 13. second ring; 14. third guide rod; 15. pulley block; 16. first flange; 17. second flange; 18. sling. DETAILED DESCRIPTION
[0012] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings.
[0013] Depend on Figure 1 to Figure 2A crane intelligent anti-sway device is disclosed, comprising a main beam 1 and a lifting trolley 2, wherein legs 3 are fixed at the left and right ends of the main beam 1, a trolley running mechanism is installed at the bottom of the legs 3, the lifting trolley 2 moves in the left and right directions on the main beam 1, a positioning plate 4 is provided below the lifting trolley 2, and anti-sway mechanisms are provided on the left and right sides of the positioning plate 4, respectively. The two anti-sway mechanisms are located between the lifting trolley 2 and the positioning plate 4, and the anti-sway mechanisms comprise a first connecting rod 5, a second connecting rod 6, a third connecting rod 7 and a fourth connecting rod 8, the first connecting rod 5 and the second connecting rod 6 are respectively hinged to the lifting trolley 2, the first connecting rod 5 is located in front of the second connecting rod 6, the third connecting rod 7 and the fourth connecting rod 8 are respectively hinged to the positioning plate 4, the third connecting rod 7 is located in front of the fourth connecting rod 8, and a positioning rod arranged in the front and rear directions is provided above the positioning plate 4. The first connecting rod 5 and the third connecting rod 7 are hinged to the positioning shaft 9 respectively, the second connecting rod 6 and the fourth connecting rod 8 are hinged to the positioning shaft 9 respectively, a first ring 10 is fixed on the positioning shaft 9, a first guide rod 11 in the horizontal direction is provided on the positioning plate 4, the first ring 10 slides in the left and right directions on the first guide rod 11, a second guide rod 12 in the vertical direction is fixed on the support leg 3, the second guide rod 12 is connected with the second ring 13 for sliding up and down, a third guide rod 14 in the horizontal direction is fixed to the second ring 13, the first guide rod 11 and the third guide rod 14 are on the same axis, the first guide rod 11 and the third guide rod 14 are fixedly connected, a pulley block 15 is installed at the left and right ends of the positioning plate 4, a steel wire rope is wound on the pulley block 15, and a reel corresponding to the steel wire rope is installed on the lifting trolley 2.
[0014] A first flange 16 is fixed to the first guide rod 11 , and a second flange 17 is fixed to the third guide rod 14 . The first flange 16 and the second flange 17 are fixedly connected by bolts.
[0015] The two anti-sway mechanisms are symmetrical about the middle position of the positioning plate 4 .
[0016] A plurality of hangers 18 are evenly mounted on the lower end of the positioning plate 4 .
[0017] When the utility model is in use, the sling 18 lifts the cargo and starts the drum, which continuously retracts the wire rope. The wire rope drives the positioning plate 4 to move upward through the pulley block 15. The pulley blocks 15 are installed at the left and right ends of the positioning plate 4 to ensure the stability of the overall rise of the positioning plate 4. During the rising process of the positioning plate 4, the two anti-sway mechanisms are symmetrical about the middle position of the positioning plate 4. Under the joint action of the first connecting rod 5, the second connecting rod 6, the third connecting rod 7 and the fourth connecting rod 8, the positioning plate 4 can be prevented from swinging greatly, which plays a preliminary anti-sway role. As the two anti-sway mechanisms are continuously compressed and folded, the first ring 10 slides on the first guide rod 11 toward the third guide rod 14, and the positioning plate 4 drives the positioning shaft 9 and The first guide rod 11 moves upward as a whole, and the first guide rod 11 drives the third guide rod 14 and the second ring 13 to move upward as a whole, and the second ring 13 slides upward along the second guide rod 12, and the two second rings 13 slide upward synchronously, ensuring that the first guide rod 11 can only slide upward, effectively preventing the first guide rod 11 from swinging, and then ensuring the overall stability of the positioning shaft 9, the first connecting rod 5, the second connecting rod 6, the third connecting rod 7, the fourth connecting rod 8 and the positioning plate 4, and playing the effect of anti-swaying again, with the function of automatic adjustment and intelligent anti-swaying. In addition, the first guide rod 11 is provided with a threaded head, and the threaded head is threadedly connected to the middle position of the first flange 16, so as to facilitate the disassembly and assembly of the first flange 16 and the first guide rod 11.
[0018] This embodiment does not impose any formal restrictions on the shape, material, structure, etc. of the utility model. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the utility model are within the protection scope of the technical solution of the utility model.
Claims
1. An intelligent anti-sway device for a crane, comprising a main beam (1) and a lifting trolley (2), wherein legs (3) are fixed to the left and right ends of the main beam (1), a trolley running mechanism is installed at the bottom of the legs (3), and the lifting trolley (2) moves in the left and right directions on the main beam (1), characterized in that: A positioning plate (4) is provided below the lifting trolley (2). Anti-sway mechanisms are provided on the left and right sides of the positioning plate (4). The two anti-sway mechanisms are located between the lifting trolley (2) and the positioning plate (4). The anti-sway mechanisms include a first connecting rod (5), a second connecting rod (6), a third connecting rod (7) and a fourth connecting rod (8). The first connecting rod (5) and the second connecting rod (6) are respectively hinged to the lifting trolley (2). The first connecting rod (5) is located in front of the second connecting rod (6). The third connecting rod (7) and the fourth connecting rod (8) are respectively hinged to the positioning plate (4). The third connecting rod (7) is located in front of the fourth connecting rod (8). A positioning shaft (9) arranged in the front-rear direction is provided above the positioning plate (4). The first connecting rod (5) and the third connecting rod (7) are respectively hinged to the positioning shaft (9). The second connecting rod (6) and the fourth connecting rod (8) are respectively hinged to the positioning shaft (9). The connecting rods (8) are respectively hinged to the positioning shafts (9), a first circular ring (10) is fixed on the positioning shaft (9), a first guide rod (11) in the horizontal direction is provided on the positioning plate (4), the first circular ring (10) slides on the first guide rod (11) in the left-right direction, a second guide rod (12) in the vertical direction is fixed on the supporting leg (3), the second guide rod (12) is slidably connected to the second circular ring (13) in the up-down direction, a third guide rod (14) in the horizontal direction is fixed to the second circular ring (13), the first guide rod (11) and the third guide rod (14) are on the same axis, the first guide rod (11) and the third guide rod (14) are fixedly connected, a pulley block (15) is installed at the left and right ends of the positioning plate (4), a steel wire rope is wound on the pulley block (15), and a drum corresponding to the steel wire rope is installed on the lifting trolley (2).
2. The intelligent anti-sway device for crane according to claim 1 is characterized in that: The first guide rod (11) is fixed with a first flange (16), the third guide rod (14) is fixed with a second flange (17), and the first flange (16) and the second flange (17) are fixedly connected by bolts.
3. The intelligent anti-sway device for crane according to claim 1 is characterized in that: The two anti-sway mechanisms are symmetrical about the middle position of the positioning plate (4).
4. The intelligent anti-sway device for crane according to claim 1 is characterized in that: A plurality of hangers (18) are evenly mounted on the lower end of the positioning plate (4).