Anti-separation lifting appliance system and use method thereof

Abstract

The invention provides an anti-separation lifting appliance system. The anti-separation lifting appliance system comprises a lifting appliance, an indexing pin and a lifting appliance butt joint seat, wherein the lifting appliance is butted and lifted along the axial direction of the waist-shaped butting hole of the lifting appliance butting seat; meanwhile, the invention further provides a using method of the anti-separation lifting appliance system. The problems that a traditional lifting appliance is complex in fastening, long in operation time and the like under complex working conditions are solved, so that potential safety hazards are reduced, the working efficiency is improved, the labor cost is reduced, higher safety, adaptability and efficiency are achieved, and the modern lifting requirement is met.

Description

Technical Field

[0001] This application belongs to the field of hoisting technology for irregular structural components, specifically relating to an anti-detachment hoisting system and its usage method. Background Technology

[0002] Anti-detachment lifting systems are crucial safety devices in lifting operations, especially when lifting irregularly shaped structures. They must overcome technical challenges such as irregular shapes and complex stresses. Traditional lifting tools often suffer from complex securing, long operation times, and reliance on extensive manual labor, leading to low efficiency and safety hazards. Therefore, developing and applying advanced anti-detachment lifting systems has become a critical technical requirement to ensure the safety and efficiency of lifting operations.

[0003] Currently, the main technologies used for anti-detachment lifting systems are as follows: The first is the traditional tethered lifting system. This type of lifting system requires manual rope threading and securing, which is complex and time-consuming, especially when lifting irregularly shaped structural components, where securing is difficult and can easily lead to safety hazards. Traditional tethered lifting systems are suitable for lifting regular structural components, but their adaptability is poor for the complex shapes and variable stress conditions of irregularly shaped structural components.

[0004] The second type is mechanical clamping lifting equipment. This type of lifting equipment uses mechanical devices to clamp and fix structural components, reducing the complexity of manual operation and improving lifting efficiency. However, the clamping force of mechanical clamping lifting equipment is limited. For irregular shapes and variable stress points of irregular structural components, it is difficult to achieve uniform and stable clamping, which can easily lead to slippage or damage of structural components during the lifting process.

[0005] The third type is the magnetic lifting device. This type of lifting device uses magnetic force to attract and fix structural components, and is suitable for structural components made of ferromagnetic materials. The advantage of magnetic lifting devices is that they are easy to operate and can quickly complete the fixing. However, their application range is limited. They are only suitable for structural components with ferromagnetic properties. Moreover, for irregularly shaped structural components with complex shapes and varying stress conditions, the magnetic attraction effect may be unstable, and insufficient attraction force may easily occur.

[0006] The fourth type is the modular lifting sling. This type of sling combines multiple fixing methods, such as mechanical clamping, magnetic attraction, and vacuum adsorption, to improve the stability and adaptability of lifting operations. The advantage of modular lifting slings is their wide applicability and ability to adapt to various structural stress conditions. However, they are complex in structure, costly, and difficult to maintain. Summary of the Invention

[0007] The purpose of this invention is to develop a rapid separation anti-detachment lifting device system to solve the problems of complex securing and long operation time of traditional lifting devices under complex working conditions, thereby reducing safety hazards, improving work efficiency, reducing labor costs, and having higher safety, adaptability and efficiency to meet the needs of modern lifting.

[0008] In a first aspect, this application provides an anti-detachment spreading device system, including a spreading device, an indexing pin, and a spreading device docking seat; The lifting device is lifted by connecting and lifting along the axial direction of the waist-shaped docking hole of the lifting device docking seat.

[0009] Preferably, the lifting device includes a double-eared connector, a lifting base, a round nut, a thrust bearing, a transition shaft, a lifting device connector, an inner shaft, and a limiting frame.

[0010] Preferably, the lifting device joint contains stepped holes, namely a first-level step and a second-level step, and the outer side of the lifting device joint is provided with a marking groove for determining the locking state after the lifting device is connected; The inner shaft has four indexing holes on its outer side, and the inner shaft is mounted on the second step of the lifting device joint along the axial direction of the stepped hole of the lifting device joint.

[0011] Preferably, the limiting frame passes through the inner shaft along the axial direction of the stepped hole of the lifting device joint and is installed on the first step of the lifting device joint. After installation, there is a certain gap between the limiting frame and the inner shaft in the axial and lateral directions, and the inner shaft can rotate within the lifting device joint. The transition shaft is a stepped shaft and is threadedly connected to the lifting device joint along the axial direction of the stepped hole of the lifting device joint. The hanger is installed on the limiting boss of the transition shaft along the axial direction of the transition shaft, and there is a certain gap between the hanger and the transition shaft in the lateral direction.

[0012] Preferably, the thrust bearing is installed in the hanger along the axial direction of the transition shaft through the transition shaft, and there is a certain gap between the thrust bearing and the transition shaft in the lateral direction; The round nut is threaded to the transition shaft along the axial direction of the transition shaft, the outer side of the round nut is in contact with the upper half of the thrust bearing structure, and there is no gap between the outer side of the round nut and the inner side of the thrust bearing; The double-eared connector is threaded to the inner wall of the lifting device along the axial direction of the transition shaft, and the double-eared connector is connected to the lifting device cable for lifting the lifting device system; After the lifting device is lifted, there is a certain gap between the lifting base and the limiting boss of the transition shaft. When the lifting device joint rotates, the thrust bearing releases the rotational torsional force to prevent the torsional force of the lifting device joint from being transmitted to the lifting base.

[0013] Preferably, the indexing pin passes through the inner wall of the lifting device along the axial direction of the limiting hole of the lifting device and is inserted into the indexing hole of the inner shaft, and is installed on the limiting hole of the lifting device to maintain the relative position between the inner shaft and the lifting device joint.

[0014] Preferably, the lifting device docking seat includes a lifting device base and a locking plate; the lifting device base has an oblong docking hole, and the locking plate has a square hole in the center. The axis of the square hole of the locking plate coincides with the axis of the lifting device base. The locking plate is installed inside the lifting device base along the direction of the coincidence of the axes. The side of the square hole of the locking plate is parallel to the side of the lifting device base. The square hole on the locking plate can lock the inner shaft to maintain the relative position between the inner shaft and the lifting device docking seat.

[0015] Secondly, this application also provides a method for using an anti-detachment lifting device system, the method being applied to the system described above, the method comprising the following steps: S1: When the lifting device is connected to the lifting device docking seat, the lifting device is inserted into the lifting device docking seat, and the inner shaft falls into the square hole of the locking plate; S2: Pull out the indexing pin located on the lifting device, and manually rotate the lifting device joint, which rotates 90° relative to the inner shaft; S3: The indexing pin automatically resets under its own spring force and is inserted into the indexing hole of the inner shaft, locking the relative angular position of the lifting device joint and the inner shaft; S4: At this time, the relative position of the lifting device joint and the inner shaft is fixed, the relative position of the inner shaft and the lifting device docking seat is fixed, and the lifting device as a whole will not rotate and disengage; S5: During the locking process, the locking status of the lifting device can be determined by the position of the marking groove on the lifting device joint.

[0016] This application has the following technical advantages: 1) Excess material for quick docking and high strength During the docking process between the lifting device and the lifting device docking seat, the waist-shaped docking hole has a large margin, which can achieve rapid docking. The lifting device system has completed the load test, the destructive load meets the requirements, and the structure has high strength.

[0017] 2) Quick connection and disconnection When manually locking the spreader system, simply pull out the indexing pin, rotate the spreader joint, and the indexing pin will automatically reset after being released. This process is simple and fast.

[0018] 3) Adopts multi-level limit design and built-in safety self-locking structure After the lifting device and the lifting device docking seat are locked, the boss inside the lifting device docking seat restricts the rotation of the lifting device joint; the end of the inner shaft matches the square hole on the locking plate, and after the indexing pin is inserted into the indexing hole of the inner shaft, the rotation of the inner shaft is restricted, and a fixed connection is formed between the inner shaft and the lifting device joint, and a fixed connection is formed between the lifting device and the lifting device docking seat. However, the lifting device is equipped with rolling bearings, which release the torsional force on the steel cable and ensure that the lifting device system will not rotate between the lifting device and the lifting device docking seat after lifting, thereby preventing separation. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of a lifting device system provided in an embodiment of this application; Among them, 1. lifting tool; 2. indexing pin; 3. lifting tool docking seat; 11. double-ear joint; 12. lifting seat; 13. round nut; 14. thrust bearing; 15. transition shaft; 16. lifting tool joint; 17. inner shaft; 18. limit frame; 31. lifting tool seat; 32. locking plate. Detailed Implementation Please see Figure 1 To address the problems of complex securing and long operation time of traditional lifting devices under complex working conditions, a quick-release anti-detachment lifting device system is proposed.

[0020] This application provides an anti-detachment lifting device system, including a lifting device 1, an indexing pin 2, and a lifting device docking seat 3; The lifting device 1 is connected and lifted along the axial direction of the waist-shaped docking hole of the lifting device docking seat 3; The lifting device 1 includes a double-ear connector 11, a lifting base 12, a round nut 13, a thrust bearing 14, a transition shaft 15, a lifting device connector 16, an inner shaft 17, and a limiting frame 18. The lifting device connector 16 contains stepped holes, consisting of a first-level step and a second-level step. A marking groove is provided on the outer side of the lifting device connector 16 to determine the locking state after the lifting device 1 is connected. The inner shaft 17 has four indexing holes on its outer side and is mounted on the second-level step of the lifting device connector 16 along the axial direction of the stepped holes in the lifting device connector 16. The limiting frame 18 passes through the inner shaft 17 along the axial direction of the stepped hole of the lifting joint 16 and is installed on the first step of the lifting joint 16. After installation, the limiting frame 18 and the inner shaft 17 have a certain gap in the axial and lateral directions, and the inner shaft 17 can rotate within the lifting joint 16. The transition shaft 15 is a stepped shaft and is threaded to the lifting joint 16 along the axial direction of the stepped hole. The lifting seat 12 passes through the transition shaft 15 along the axis of the transition shaft 15. The hanger 12 is mounted on the limiting boss of the transition shaft 15 in the lateral direction, and there is a certain gap between the hanger 12 and the transition shaft 15 in the lateral direction; the thrust bearing 14 passes through the transition shaft 15 and is mounted in the hanger 12 along the axial direction of the transition shaft 15, and there is a certain gap between the thrust bearing 14 and the transition shaft 15 in the lateral direction; the round nut 13 is threaded to the transition shaft 15 along the axial direction of the transition shaft 15, and the outer side of the round nut 13 contacts the upper part of the thrust bearing 14. There is no gap between the outer side of the round nut 13 and the inner side of the thrust bearing 14; the double-ear joint 11 is threadedly connected to the inner wall of the lifting device 1 along the axial direction of the transition shaft 15, and the double-ear joint 11 is connected to the lifting device cable for lifting the lifting device system; after the lifting device 1 is lifted, there is a certain gap between the lifting seat 12 and the limiting boss of the transition shaft 15. When the lifting device joint 16 rotates, the thrust bearing 14 releases the rotational torsional force to prevent the torsional force of the lifting device joint 16 from being transmitted to the lifting seat 12.

[0021] The indexing pin 2 passes through the inner wall of the lifting device 1 along the axial direction of the limiting hole of the lifting device 1 and is inserted into the indexing hole of the inner shaft 17, and is installed on the limiting hole of the lifting device 1 to maintain the relative position between the inner shaft 17 and the lifting device joint 16.

[0022] The lifting device docking seat 3 includes a lifting device seat 31 and a locking plate 32. The lifting device seat 31 has an oblong docking hole. The locking plate 32 has a square hole at its center. The axis of the square hole of the locking plate 32 coincides with the axis of the lifting device seat 31. The locking plate 32 is installed inside the lifting device seat 31 along the direction of the coincidence of the axes. The side of the square hole of the locking plate 32 is parallel to the side of the lifting device seat 31. The square hole on the locking plate 32 can lock the inner shaft 17 to maintain the relative position between the inner shaft 17 and the lifting device docking seat 3.

[0023] In other embodiments of this application, a method for using an anti-detachment lifting device system is provided, comprising the following steps: S1: When the lifting device 1 is connected to the lifting device docking seat 3, the lifting device 1 is inserted into the lifting device docking seat 3, and the inner shaft 17 falls into the square hole of the locking plate 32; S2: Pull out the indexing pin 2 located on the lifting device 1, and manually rotate the lifting device joint 16. The lifting device joint 16 rotates 90° relative to the inner shaft 17. S3: The indexing pin 2 automatically resets under its own spring force and is inserted into the indexing hole of the inner shaft 17, locking the relative angular position of the lifting device joint 16 and the inner shaft 17; S4: At this time, the relative positions of the lifting device joint 16 and the inner shaft 17 are fixed, the relative positions of the inner shaft 17 and the lifting device docking seat 3 are fixed, and the lifting device 1 as a whole will not rotate and disengage; S5: During the locking process, the locking status of the lifting device 1 can be determined by the position of the marking groove on the lifting device joint 16.

[0024] Significant improvement in benefits across all aspects 1) Economic benefits: Improved efficiency: The anti-detachment lifting system can quickly secure irregularly shaped structural components, reducing lifting time and improving production efficiency; Reduce costs: By minimizing downtime and rework caused by the complexity of traditional lifting equipment operation, labor and time costs are reduced; Reduce accident losses: Avoid equipment damage or personal injury caused by detachment of lifting equipment, and reduce the economic losses caused by accidents.

[0025] 2) Social benefits: Raising industry safety standards: The application of anti-detachment spreader systems can drive technological upgrades in the lifting industry and improve overall safety levels; Reduce accident risks: By reducing safety hazards in traditional lifting equipment operations, the incidence of lifting accidents can be lowered, ensuring the safety of workers.

[0026] b) Can be extended to various fields 1) Heavy industry: such as hoisting of irregularly shaped structural components like nuclear power plant equipment, large boilers, and pressure vessels; 2) Aerospace: such as hoisting of complex structural components like aircraft parts and rocket engines; 3) Shipbuilding: such as hoisting of irregularly shaped components like hull sections and propulsion systems; 4) Logistics industry: Used in logistics warehousing for rapid loading, unloading, and securing of irregularly shaped goods; 5) Emergency rescue: Used for the rapid loading and unloading of rescue equipment and supplies during disaster relief.

[0027] This anti-detachment lifting device system, through structural innovation, overcomes the shortcomings of traditional lifting devices in complex working conditions, demonstrating broad application prospects and significant economic and social benefits. Its future potential for widespread application is vast, enabling it to provide efficient and safe lifting solutions for multiple industries.

Claims

1. A system for preventing detachment of a lifting device, characterized in that: Includes a lifting device (1), an indexing pin (2), and a lifting device docking seat (3); The lifting device (1) is lifted by connecting to the waist-shaped docking hole of the lifting device docking seat (3) in the axial direction.

2. The system according to claim 1, characterized in that, The lifting device (1) includes a double-ear connector (11), a lifting base (12), a round nut (13), a thrust bearing (14), a transition shaft (15), a lifting device connector (16), an inner shaft (17), and a limiting frame (18).

3. The system according to claim 2, characterized in that, The lifting device joint (16) contains stepped holes, which are a first-level step and a second-level step. The outer side of the lifting device joint (16) is provided with a marking groove to determine the locking state of the lifting device (1) after docking. The inner shaft (17) has four indexing holes on its outer side. The inner shaft (17) is mounted on the second step of the lifting joint (16) along the axial direction of the stepped hole of the lifting joint (16).

4. The system according to claim 3, characterized in that, The limiting frame (18) passes through the inner shaft (17) along the axial direction of the stepped hole of the lifting joint (16) and is installed on the first step of the lifting joint (16). After installation, the limiting frame (18) and the inner shaft (17) have a certain gap in the axial and lateral directions. The inner shaft (17) can rotate inside the lifting joint (16). The transition shaft (15) is a stepped shaft and is threadedly connected to the lifting joint (16) along the axial direction of the stepped hole of the lifting joint (16). The hanger (12) passes through the transition shaft (15) and is installed on the limiting boss of the transition shaft (15) along the axial direction of the transition shaft (15). There is a certain gap between the hanger (12) and the transition shaft (15) in the lateral direction.

5. The system according to claim 4, characterized in that, The thrust bearing (14) passes through the transition shaft (15) and is installed in the hanger (12) along the axial direction of the transition shaft (15). There is a certain gap between the thrust bearing (14) and the transition shaft (15) in the lateral direction. The round nut (13) is threaded to the transition shaft (15) along the axial direction of the transition shaft (15). The outer side of the round nut (13) is in contact with the upper half of the thrust bearing (14). There is no gap between the outer side of the round nut (13) and the inner side of the thrust bearing (14). The double-ear connector (11) is threaded to the inner wall of the lifting device (1) along the axial direction of the transition shaft (15), and the double-ear connector (11) is connected to the lifting device cable for lifting the lifting device system; After the lifting device (1) is lifted, there is a certain gap between the lifting seat (12) and the limiting boss of the transition shaft (15). When the lifting device joint (16) rotates, the thrust bearing (14) releases the rotational torsional force to prevent the torsional force of the lifting device joint (16) from being transmitted to the lifting seat (12).

6. The system according to claim 5, characterized in that, The indexing pin (2) passes through the inner wall of the lifting device (1) along the axial direction of the limiting hole of the lifting device (1) and is inserted into the indexing hole of the inner shaft (17), and is installed on the limiting hole of the lifting device (1) to maintain the relative position between the inner shaft (17) and the lifting device joint (16).

7. The system according to claim 6, characterized in that, The lifting device docking seat (3) includes a lifting device seat (31) and a locking plate (32); the lifting device seat (31) is provided with a waist-shaped docking hole, and the locking plate (32) is provided with a square hole in the center. The axis of the square hole of the locking plate (32) coincides with the axis of the lifting device seat (31). The locking plate (32) is installed inside the lifting device seat (31) along the direction of the coincidence of the axes. The side of the square hole of the locking plate (32) is parallel to the side of the lifting device seat (31). The square hole on the locking plate (32) can lock the inner shaft (17) to maintain the relative position between the inner shaft (17) and the lifting device docking seat (3).

8. A method of using an anti-detachment lifting device system, characterized in that: The method is applied to the system as described in any one of claims 1-7, and the method includes the following steps: S1: When the lifting device (1) is connected to the lifting device docking seat (3), the lifting device (1) is inserted into the lifting device docking seat (3), and the inner shaft (17) falls into the square hole of the locking plate (32); S2: Pull out the indexing pin (2) located on the lifting device (1), and manually rotate the lifting device joint (16) so that the lifting device joint (16) rotates 90° relative to the inner shaft (17); S3: The indexing pin (2) automatically resets under its own spring force and is inserted into the indexing hole of the inner shaft (17) to lock the relative angular position of the lifting device joint (16) and the inner shaft (17); S4: At this time, the relative positions of the lifting device joint (16) and the inner shaft (17) are fixed, the relative positions of the inner shaft (17) and the lifting device docking seat (3) are fixed, and the lifting device (1) as a whole will not rotate and disengage; S5: During the locking process, the locking status of the lifting device (1) can be determined by the position of the marking groove on the lifting device joint (16).

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