Assembled open-web sandwich plate hoisting equipment and hoisting method

Abstract

The invention relates to the technical field of open-web sandwich plate hoisting, and discloses assembly type open-web sandwich plate hoisting equipment and a hoisting method.The assembly type open-web sandwich plate hoisting equipment comprises a main hoisting connecting piece, a supporting frame is fixedly connected to the lower side of the main hoisting connecting piece, and a moving mechanism is fixedly connected to the lower side of the supporting frame; the lower side of the moving mechanism is fixedly connected with magnetic hoisting sets which are evenly distributed, the two ends of the supporting frame are fixedly connected with lifting assemblies, and the sides, away from the supporting frame, of the lifting assemblies are fixedly connected with adjustable hoisting sets. The adjustable hoisting set comprises a first chain wheel, a second chain wheel, a first annular chain and a second annular chain. According to the invention, through the cooperative action of the adjustable hoisting group, the lifting assembly and the shaft body assembly, the existing mode of adopting single hoisting force can be changed, the problems of low hoisting precision and poor positioning precision in the prior art are solved, and meanwhile, through the cooperative action of the magnetic hoisting group and the adjustable hoisting group, the purpose of dual hoisting is realized; and the hoisting safety is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of hoisting of voided sandwich plates, and specifically to a hoisting device and a hoisting method for prefabricated voided sandwich plates. Background Technique

[0002] The prefabricated voided sandwich plate is composed of a concrete thin plate on the surface and a steel structure voided beam below. By making full use of the compressive performance of concrete and the good tensile performance of steel, it is mainly applied to large-span floor structures. The steel structure mainly consists of upper ribs, lower ribs and shear keys. During the construction process, the steel structure is hoisted by a hoisting device for assembly.

[0003] The existing lifting tools for prefabricated voided sandwich plates are mainly connected to the tower crane through hooks and lifting chains. By fixing the sling to the steel structure and then connecting the other end of the sling to the hook, the hoisting operation is realized. However, using this manual connection method with the workpiece to be hoisted and the lifting tool is relatively cumbersome, and there are certain safety hazards. Moreover, after the steel structure is hoisted to the designated position, the staff needs to assemble and connect the newly hoisted steel structure with the steel structure on the floor. However, using the above hoisting method, the posture of the steel structure has a large uncertainty. Therefore, the staff needs to manually push the hoisted steel structure workpiece to make its posture correspond to the steel structure on the floor, resulting in a cumbersome hoisting operation, the need for manual positioning, and a low positioning accuracy. Summary of the Invention

[0004] The purpose of the present invention is to provide a hoisting device and a hoisting method for prefabricated voided sandwich plates to solve the problems raised in the background technique.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A hoisting device for prefabricated voided sandwich plates, including a main hoisting connector, a support frame is fixedly connected to the lower side of the main hoisting connector, a moving mechanism is fixedly connected to the lower side of the support frame, a uniformly distributed magnetic hoisting group is fixedly connected to the lower side of the moving mechanism, lifting components are fixedly connected to both ends of the support frame, and an adjustable hoisting group is fixedly connected to the side of the lifting component away from the support frame; The adjustable hoisting group includes a first sprocket, a second sprocket, a first endless chain, and a second endless chain. The first endless chain is meshed with the outside of the first sprocket, the second endless chain is meshed with the outside of the second sprocket, and connection hooks five are installed on both the first endless chain and the second endless chain. Through the rotation of the first endless chain and the second endless chain, the posture of the steel structure of the prefabricated voided sandwich plate to be hoisted can be adjusted; The magnetic hoisting group includes magnetic suction blocks. A plurality of groups of magnetic suction blocks are arranged in a uniform distribution, and the magnetic suction blocks can perform multi-point distributed magnetic hoisting on the steel structure of the prefabricated voided sandwich plate.

[0006] Further, the main lifting connection member includes a main lifting ring, a first connecting hook, a main lifting chain, a connecting block, and a second connecting hook. Two groups of first connecting hooks are clamped at both ends of the lower side of the main lifting ring. The lower side of the first connecting hook is fixedly connected to the main lifting chain. The lower side of the main lifting chain is fixedly connected to the second connecting hook. The lower side of the second connecting hook is clamped with the connecting block, and the connecting block is fixedly connected to the support frame.

[0007] Further, the moving mechanism includes a protective housing, a rack, a first guide rail, and a moving member. The protective housing is fixedly connected to the lower side of the support frame. The rack and the first guide rail are fixedly connected to the inner side of the protective housing. A plurality of uniformly distributed moving members are arranged on the lower side of the protective housing. The moving member includes a first motor, a gear, a slider, and a moving plate. The first motor is arranged on the lower side of the protective housing. The output end of the first motor is fixedly connected to the gear. The gear meshes with the rack and is located inside the protective housing. The slider is slidably connected to the outer side of the first guide rail. The lower side of the slider is fixedly connected to the moving plate. A slot corresponding to the moving plate is formed in the protective housing. The first motor is fixedly connected to the moving plate.

[0008] Further, the magnetic lifting group further includes a fixing plate, a branch suspension bracket, a first branch lifting ring, a third connecting hook, a branch lifting chain, a fourth connecting hook, a second branch lifting ring, and a rotating ring. The fixing plate is fixedly connected to the lower side of the moving plate. The branch suspension bracket is fixedly connected to the lower side of the fixing plate. The first branch lifting ring is sleeved on the lower side of the branch suspension bracket. The third connecting hook is clamped on the lower side of the first branch lifting ring. The lower side of the third connecting hook is fixedly connected to the branch lifting chain.

[0009] Further, the fourth connecting hook is fixedly connected to the lower side of the branch lifting chain. The second branch lifting ring is clamped on the lower side of the fourth connecting hook. The rotating ring is sleeved on the lower side of the second branch lifting ring. The magnetic suction block is rotatably connected to the lower side of the rotating ring.

[0010] Since the magnetic suction block is composed of a coil, an iron core, and a magnetic conductor, when energized, the coil generates a magnetic field, and the iron core concentrates the magnetic force lines to form a closed magnetic circuit, enabling the magnetic suction block to magnetically adsorb the steel structure workpiece. According to the length of the steel structure workpiece, the motors at various locations are controlled to start. The motor drives the gear to rotate, causing the gear to mesh with the rack during rotation, thereby driving the slider and the moving plate to slide linearly along the first guide rail. Thus, multiple magnetic lifting groups are evenly dispersed according to the length of the steel structure workpiece. An electric current is passed through the coil inside the magnetic suction block, causing the magnetic suction block to generate magnetic force, and then adsorbing the steel structure workpiece to be lifted. Since the rotating ring is rotatably connected to the magnetic suction block, after the magnetic suction block contacts and adsorbs the steel structure workpiece, by starting the external lifting mechanism, through the connection of the branch hanger, the first branch lifting ring, the third connecting hook, the branch lifting chain, the fourth connecting hook, and the second branch lifting ring, the steel structure workpiece is lifted. Since multiple magnetic suction blocks are provided and are evenly distributed and in contact with the steel structure, the purpose of multi-point distributed magnetic lifting is achieved; Further, the lifting assembly includes a motor three, a fixed seat, an installation housing, a second guide rail, a lead screw, a movable block, and a movable plate. Fixed seats are fixedly connected to both ends of the support frame. The fixed seat on the side away from the support frame is fixedly connected to the installation housing. The motor three is fixedly connected to the upper side of the installation housing. The second guide rail is fixedly connected to the side of the installation housing away from the support frame. The output end of the motor three is fixedly connected to the lead screw, and the lead screw is rotatably connected to the installation housing. The movable block is threadedly connected to the outer side of the lead screw. The movable plate is slidably connected to the outer side of the second guide rail, and the movable plate is fixedly connected to the movable block. A connecting seat is fixedly connected to the side of the movable plate away from the movable block.

[0011] Further, the adjustable lifting group further includes a connecting shell, a pushing assembly, a motor two, a bearing seat, and a fifth connecting hook. The connecting shell is fixedly connected to the lower side of the connecting seat. The pushing assembly is fixedly connected to the inner side of the connecting shell. The motor two is fixedly connected to the outer side of the connecting shell. The output end of the motor two is a shaft body assembly. Bearings are sleeved on the outer sides of both ends of the shaft body assembly, and the bearing seats are installed on the outer sides of the bearings.

[0012] Further, the shaft body assembly includes a first connecting shaft and a second connecting shaft. The second connecting shaft is fixedly connected to the inner side of the first sprocket. The first connecting shaft is fixedly connected to the inner side of the second sprocket. The first connecting shaft and the second connecting shaft are clamped together, and the second connecting shaft rotates synchronously with the first connecting shaft.

[0013] After the steel structure workpiece is hoisted to the designated position by the external hoisting mechanism, during the assembly and docking, according to the posture of the steel structure workpiece at this time, when the posture is tilted, start the second motor, and the second motor drives the second connecting shaft to rotate. Since the outer side of the second connecting shaft is provided with a protrusion, and the inner side of the first connecting shaft is provided with a groove corresponding to the protrusion, when the second connecting shaft rotates, the first connecting shaft is synchronously driven to rotate, thereby driving the sprockets one and two sprockets to rotate synchronously, thereby driving the steel structure workpiece inside thereof to flip at a small angle and adjust the posture. In the process of flipping the steel structure workpiece, the magnetic suction block is always on the upper side of the steel structure workpiece. When it is adjusted to a suitable posture, the staff controls to start the lifting assembly. At this time, the branch lifting chain is in a relaxed state, and the lifting assembly drives the steel structure workpiece to move downward and gradually reach the assembly station. At this time, the branch lifting chain is in a tight state; Furthermore, the pushing assembly includes a mounting plate, a telescopic cylinder, a guide rod, a moving block, and a mounting block. The inner side of the connecting shell is fixedly connected to the mounting plate, the lower side of the mounting plate is fixedly connected to the telescopic cylinder, the lower side of the mounting plate is also fixedly connected to two groups of guide rods, the outer side of the guide rod is slidably connected to the moving block, the output end of the telescopic cylinder is fixedly connected to the moving block, the lower side of the moving block is fixedly connected to the mounting block, the mounting block is fixedly connected to the bearing seat at the second sprocket, and the bearing seat at the first sprocket is fixedly connected to the inner wall of the connecting shell.

[0014] After the steel structure workpiece is lifted off the ground by the magnetic suction block, the motor three is started, and the motor three drives the screw rod to rotate. The screw rod drives the movable block and the movable plate to slide downward along the guide rail two through the action of the thread, and then drives the adjustable lifting group to move downward as a whole, so that the ring chain one and the ring chain two reach the position matching the steel structure workpiece. When the ring chain one and the ring chain two are sleeved on the outside of the steel structure workpiece, the telescopic cylinder can be started according to the weight distribution of the steel structure workpiece. The telescopic cylinder drives the moving block to slide linearly on the guide rod, and then drives the inner sprocket two and the ring chain two to move linearly, so as to achieve the purpose of adjusting the distance between the ring chain one and the ring chain two, and meet the requirements of hoisting stability of steel structure workpieces with different weight distributions.

[0015] The ring chain one and the ring chain two are separated from the steel structure workpiece by connecting hook five, and then the power in the magnetic suction block is cut off to separate the magnetic suction block from the steel structure workpiece. At this point, the lifting operation is completed.

[0016] A method for hoisting an assembled hollow sandwich panel hoisting device comprises the following steps: S1. Magnetic lifting: According to the length of the steel structure workpiece, evenly disperse the magnetic suction blocks, and energize the magnetic suction blocks to perform multi-point magnetic lifting on the steel structure workpiece; S2. Adjust the outer hoisting spacing; according to the weight distribution state of the steel structure workpiece, adjust the spacing between the first endless chain and the second endless chain to meet the requirements of hoisting stability. S3. Sleeve the outer hoisting chains: adjust the first endless chain and the second endless chain to the position below the steel structure workpiece through the lifting assembly, sleeve them on the outside, and then raise the first endless chain and the second endless chain through the lifting assembly to make the branch hoisting chains in a slack state. S4. Hoist, position positioning and attitude adjustment; hoist the steel structure workpiece to the specified position, perform fine displacement positioning through the lifting assembly, and drive the steel structure workpiece to turn at a small angle through the first endless chain and the second endless chain for attitude adjustment. S5. Separate the lifting tool: after the steel structure workpiece is assembled, separate the first endless chain and the second endless chain from the steel structure workpiece through the fifth connecting hook, and the magnetic suction blocks are powered off and separated.

[0017] Compared with the prior art, the present invention provides a hoisting device and a hoisting method for an assembled open-web sandwich panel, having the following beneficial effects: 1. Through the cooperation between the moving mechanism and the magnetic hoisting group, the present invention changes the existing hoisting method using a sling. Through the magnetically absorbable blocks that can be evenly dispersed, the purpose of multi-point evenly distributed magnetic hoisting of the steel structure workpiece is achieved, simplifying the hoisting operation method, improving the hoisting efficiency, and at the same time improving the hoisting stability.

[0018] 2. Through the cooperation between the adjustable hoisting group, the lifting assembly, and the shaft body assembly, the present invention can adjust the spacing between the first endless chain and the second endless chain according to the weight distribution of the steel structure workpiece to meet the requirements of hoisting stability for steel structure workpieces with different weight distributions. At the same time, after the steel structure workpiece reaches the position, the first endless chain and the second endless chain can be controlled to rotate, thereby driving the steel structure workpiece to flip for attitude adjustment. By changing the existing method using a single hoisting force through the lifting assembly that can be precisely controlled, the problems of low hoisting accuracy and poor positioning accuracy in the prior art are solved. At the same time, through the cooperation between the magnetic hoisting group and the adjustable hoisting group, the purpose of double hoisting is achieved, improving the hoisting safety. Description of the Drawings

[0019] Figure 1 It is a three-dimensional structure schematic diagram of the present invention; Figure 2 It is a three-dimensional structure schematic diagram of another angle of the present invention; Figure 3 It is a disassembled three-dimensional structure schematic diagram of the magnetic hoisting group of the present invention; Figure 4 For the present invention Figure 3 The enlarged schematic diagram at A in; Figure 5Another perspective exploded three-dimensional structure schematic diagram of the magnetic lifting group of the present invention; Figure 6 For the present invention Figure 5 Enlarged schematic diagram at position B in Figure 7 Exploded three-dimensional structure schematic diagram of the adjustable lifting group of the present invention; Figure 8 Another perspective exploded three-dimensional structure schematic diagram of the adjustable lifting group of the present invention; Figure 9 Exploded three-dimensional structure schematic diagram of connecting shaft one and connecting shaft two of the present invention; Figure 10 For the present invention Figure 9 Enlarged schematic diagram at position C in Figure 11 For the present invention Figure 9 Enlarged schematic diagram at position D in Figure 12 Another perspective exploded three-dimensional structure schematic diagram of connecting shaft one and connecting shaft two of the present invention; Figure 13 Three-dimensional structure schematic diagram of the lifting assembly of the present invention; Figure 14 Three-dimensional structure schematic diagram of the pushing assembly of the present invention.

[0020] In the figure: 1, main lifting connection member; 11, main lifting ring; 12, connecting hook one; 13, main lifting chain; 14, connecting block; 15, connecting hook two; 2, support frame; 3, moving mechanism; 31, protective housing; 32, motor one; 33, gear; 34, rack; 35, guide rail one; 36, slider; 37, moving plate; 4, magnetic lifting group; 41, fixing plate; 42, branch hanger; 43, branch lifting ring one; 44, connecting hook three; 45, branch lifting chain; 46, connecting hook four; 47, branch lifting ring two; 48, rotating ring; 49, magnetic suction block; 5, adjustable lifting group; 51, connecting shell; 52, pushing assembly; 521, mounting plate; 522, telescopic cylinder; 523, guide rod; 524, moving block; 525, mounting block; 53, motor two; 54, sprocket one; 55, sprocket two; 56, bearing seat; 57, endless chain one; 58, endless chain two; 59, connecting hook five; 6, lifting assembly; 61, motor three; 62, fixed seat; 63, mounting housing; 64, guide rail two; 65, lead screw; 66, moving block; 67, moving plate; 68, connecting seat; 7, shaft body assembly; 71, connecting shaft one; 72, connecting shaft two. Detailed implementation manners

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0022] Embodiment Please refer to Figures 1 - 14 , a hoisting device for assembled open-web sandwich plates, including a main hoisting connector 1. A support frame 2 is fixedly connected to the lower side of the main hoisting connector 1. A moving mechanism 3 is fixedly connected to the lower side of the support frame 2. A uniformly distributed magnetic hoisting group 4 is fixedly connected to the lower side of the moving mechanism 3. Lifting assemblies 6 are fixedly connected to both ends of the support frame 2. An adjustable hoisting group 5 is fixedly connected to the side of the lifting assembly 6 away from the support frame 2; The adjustable hoisting group 5 includes a first sprocket 54, a second sprocket 55, a first endless chain 57, and a second endless chain 58. The first endless chain 57 is meshed with the outside of the first sprocket 54, and the second endless chain 58 is meshed with the outside of the second sprocket 55. Connecting hooks five 59 are installed on both the first endless chain 57 and the second endless chain 58. Through the rotation of the first endless chain 57 and the second endless chain 58, the attitude of the hoisted assembled open-web sandwich plate steel structure can be adjusted; The magnetic hoisting group 4 includes magnetic suction blocks 49. A plurality of groups of magnetic suction blocks 49 are uniformly distributed. The magnetic suction blocks 49 can perform multi-point distributed magnetic hoisting on the assembled open-web sandwich plate steel structure.

[0023] Furthermore, the main hoisting connector 1 includes a main hoisting ring 11, a first connecting hook 12, a main hoisting chain 13, a connecting block 14, and a second connecting hook 15. Two groups of first connecting hooks 12 are clamped at both ends of the lower side of the main hoisting ring 11. The first connecting hook 12 is fixedly connected to the lower side of the main hoisting chain 13. The main hoisting chain 13 is fixedly connected to the second connecting hook 15. The second connecting hook 15 is clamped to the lower side of the connecting block 14. The connecting block 14 is fixedly connected to the support frame 2.

[0024] Further, the moving mechanism 3 includes a protective housing 31, a rack 34, a first guide rail 35, and a moving member. The lower side of the support frame 2 is fixedly connected to the protective housing 31. The inner side of the protective housing 31 is fixedly connected to the rack 34 and the first guide rail 35. Multiple groups of evenly distributed moving members are arranged on the lower side of the protective housing 31. The moving member includes a first motor 32, a gear 33, a slider 36, and a moving plate 37. The first motor 32 is arranged on the lower side of the protective housing 31. The output end of the first motor 32 is fixedly connected to the gear 33. The gear 33 meshes with the rack 34. The gear 33 is located inside the protective housing 31. The slider 36 is slidably connected to the outer side of the first guide rail 35. The lower side of the slider 36 is fixedly connected to the moving plate 37. The protective housing 31 is provided with a slot corresponding to the moving plate 37. The first motor 32 is fixedly connected to the moving plate 37.

[0025] Further, the magnetic lifting group 4 further includes a fixing plate 41, a branch hanger 42, a first branch lifting ring 43, a third connecting hook 44, a branch lifting chain 45, a fourth connecting hook 46, a second branch lifting ring 47, and a rotating ring 48. The lower side of the moving plate 37 is fixedly connected to the fixing plate 41. The lower side of the fixing plate 41 is fixedly connected to the branch hanger 42. The first branch lifting ring 43 is sleeved on the lower side of the branch hanger 42. The third connecting hook 44 is clamped on the lower side of the first branch lifting ring 43. The lower side of the third connecting hook 44 is fixedly connected to the branch lifting chain 45.

[0026] Further, the lower side of the branch lifting chain 45 is fixedly connected to the fourth connecting hook 46. The fourth connecting hook 46 is clamped with the second branch lifting ring 47. The second branch lifting ring 47 is sleeved on the lower side of the rotating ring 48. The lower side of the rotating ring 48 is rotatably connected to the magnetic suction block 49.

[0027] Since the magnetic suction block 49 is composed of a coil, an iron core, and a magnetic conductor, when energized, the coil generates a magnetic field, and the iron core concentrates the magnetic lines of force to form a closed magnetic circuit, enabling the magnetic suction block 49 to magnetically adsorb the steel structure workpiece. According to the length of the steel structure workpiece, the first motors 32 at various locations are controlled to start. The first motors 32 drive the gears 33 to rotate, causing the gears 33 to mesh with the rack 34 during rotation, thereby driving the sliders 36 and the moving plates 37 to linearly slide along the first guide rail 35. Thus, multiple groups of magnetic lifting groups 4 are evenly dispersed according to the length of the steel structure workpiece. An electric current is passed through the coil inside the magnetic suction block 49 to make the magnetic suction block 49 generate magnetism, thereby adsorbing the steel structure workpiece to be lifted. Since the rotating ring 48 is rotatably connected to the magnetic suction block 49, after the magnetic suction block 49 comes into contact with and adsorbs the steel structure workpiece, by starting an external lifting mechanism, through the connection of the branch hanger 42, the first branch lifting ring 43, the third connecting hook 44, the branch lifting chain 45, the fourth connecting hook 46, and the second branch lifting ring 47, the steel structure workpiece is lifted. Since multiple magnetic suction blocks 49 are provided and are evenly distributed in contact with the steel structure, the purpose of multi-point distributed magnetic lifting is achieved; Furthermore, the lifting component 6 includes a third motor 61, a fixed seat 62, a mounting housing 63, a second guide rail 64, a lead screw 65, a movable block 66, and a movable plate 67. Fixed seats 62 are fixedly connected to both ends of the support frame 2. A mounting housing 63 is fixedly connected to the side of the fixed seat 62 away from the support frame 2. A third motor 61 is fixedly connected to the upper side of the mounting housing 63. A second guide rail 64 is fixedly connected to the side of the mounting housing 63 away from the support frame 2. The output end of the third motor 61 is fixedly connected to a lead screw 65. The lead screw 65 is rotatably connected to the mounting housing 63. A movable block 66 is threadedly connected to the outer side of the lead screw 65. A movable plate 67 is slidably connected to the outer side of the second guide rail 64. The movable plate 67 is fixedly connected to the movable block 66. A connecting seat 68 is fixedly connected to the side of the movable plate 67 away from the movable block 66.

[0028] Furthermore, the adjustable hoisting group 5 further includes a connecting shell 51, a pushing component 52, a second motor 53, a bearing seat 56, and a fifth connecting hook 59. A connecting shell 51 is fixedly connected to the lower side of the connecting seat 68. A pushing component 52 is fixedly connected to the inner side of the connecting shell 51. A second motor 53 is fixedly connected to the outer side of the connecting shell 51. The output end of the second motor 53 is fixedly connected to the shaft body component 7. Bearings are sleeved on the outer sides of both ends of the shaft body component 7. Bearing seats 56 are installed on the outer sides of the bearings.

[0029] Furthermore, the shaft body component 7 includes a first connecting shaft 71 and a second connecting shaft 72. A second connecting shaft 72 is fixedly connected to the inner side of the axis center of the first sprocket 54. A first connecting shaft 71 is fixedly connected to the inner side of the axis center of the second sprocket 55. The first connecting shaft 71 is snap-connected to the second connecting shaft 72. The second connecting shaft 72 rotates synchronously with the first connecting shaft 71.

[0030] After the first endless chain 57 and the second endless chain 58 are sleeved on the outer side of the steel structure workpiece, start the third motor 61 again, so that the third motor 61 drives the lead screw 65 to reverse, and then drives the entire adjustable hoisting group 5 to move upward. During the upward movement, the first endless chain 57 and the second endless chain 58 gradually bear the weight of the steel structure workpiece. At the same time, as the first endless chain 57 and the second endless chain 58 move upward, the branch hoisting chains 45 gradually become slack; After the steel structure workpiece is hoisted to the specified position by the external hoisting mechanism, when it is assembled and docked, according to the posture of the steel structure workpiece at this time, when the posture is tilted at a small angle, the motor 2 53 is started, and the motor 2 53 drives the connecting shaft 2 72 to rotate. Since a protrusion is provided on the outer side of the connecting shaft 2 72, and a groove corresponding to the protrusion is provided on the inner side of the connecting shaft 1 71, while the connecting shaft 2 72 rotates, the connecting shaft 1 71 is synchronously driven to rotate, thereby driving the sprocket 1 54 and the sprocket 2 55 to rotate synchronously, thereby driving the steel structure workpiece inside thereof to flip at a small angle and adjust the posture. In the process of flipping the steel structure workpiece, the magnetic suction block 49 is always on the upper side of the steel structure workpiece. When it is adjusted to a suitable posture, the staff controls to start the lifting component 6. At this time, the branch lifting chain 45 is in a relaxed state. The lifting component 6 drives the steel structure workpiece to move downward and gradually reach the assembly station. At this time, the branch lifting chain 45 is in a tight state. Furthermore, the pushing assembly 52 includes a mounting plate 521, a telescopic cylinder 522, a guide rod 523, a moving block 524, and a mounting block 525. The mounting plate 521 is fixedly connected to the inner side of the connecting shell 51, the telescopic cylinder 522 is fixedly connected to the lower side of the mounting plate 521, two groups of guide rods 523 are also fixedly connected to the lower side of the mounting plate 521, the moving block 524 is slidably connected to the outer side of the guide rod 523, the output end of the telescopic cylinder 522 is fixedly connected to the moving block 524, the lower side of the moving block 524 is fixedly connected to the mounting block 525, the mounting block 525 is fixedly connected to the bearing seat 56 at the sprocket 2 55, and the bearing seat 56 at the sprocket 1 54 is fixedly connected to the inner wall of the connecting shell 51.

[0031] After the steel structure workpiece is lifted off the ground by the magnetic suction block 49, the motor three 61 is started, and the motor three 61 drives the screw rod 65 to rotate. The screw rod 65 drives the movable block 66 and the movable plate 67 to slide downward along the guide rail two 64 through the thread action, and then drives the adjustable lifting group 5 to move downward as a whole, so that the ring chain one 57 and the ring chain two 58 reach the position matching the steel structure workpiece. When the ring chain one 57 and the ring chain two 58 are sleeved on the outside of the steel structure workpiece, the telescopic cylinder 522 can be started according to the weight distribution of the steel structure workpiece. The telescopic cylinder 522 drives the moving block 524 to slide linearly on the guide rod 523, and then drives the inner sprocket two 55 and the ring chain two 58 to move linearly, so as to achieve the purpose of adjusting the distance between the ring chain one 57 and the ring chain two 58, and meet the requirements of hoisting stability of steel structure workpieces with different weight distributions.

[0032] The ring chain 1 57 and the ring chain 2 58 are separated from the steel structure workpiece by connecting hook 5 59, and then the power in the magnetic suction block 49 is cut off, so that the magnetic suction block 49 is separated from the steel structure workpiece, and the lifting operation is completed.

[0033] Hoisting method of a hoisting device for prefabricated open-web sandwich plates, comprising the following steps: S1. Magnetic hoisting: According to the length of the steel structure workpiece, the magnetic suction blocks 49 are evenly dispersed, and the magnetic suction blocks 49 are energized to perform multi-point magnetic hoisting on the steel structure workpiece; S2. Adjust the outer hoisting spacing; According to the weight distribution state of the steel structure workpiece, adjust the spacing between the first endless chain 57 and the second endless chain 58 to meet the requirements of hoisting stability; S3. Sleeve the outer hoisting chains: Through the lifting assembly 6, adjust the first endless chain 57 and the second endless chain 58 to a position below the steel structure workpiece, sleeve them on the outside, and then through the lifting assembly 6, raise the first endless chain 57 and the second endless chain 58 to make the branch hoisting chains 45 in a slack state; S4. Hoisting, position positioning and attitude adjustment; Lift the steel structure workpiece to the specified position, perform fine displacement positioning through the lifting assembly 6, and drive the steel structure workpiece to turn at a small angle through the first endless chain 57 and the second endless chain 58 for attitude adjustment; S5. Separate the lifting tool: After the steel structure workpiece is assembled, separate the first endless chain 57 and the second endless chain 58 from the steel structure workpiece through the fifth connecting hook 59, and cut off the power supply of the magnetic suction blocks 49 for separation.

[0034] Specific usage method and function of this embodiment: During use, first fixedly connect the main lifting ring 11 in this device with an external hoisting power mechanism, and transport this lifting tool to the prefabricated open-web sandwich plate steel structure area through the external hoisting mechanism; Since the magnetic suction block 49 is composed of a coil, an iron core and a magnetic conductor, when energized, the coil generates a magnetic field, and the iron core concentrates the magnetic force lines to form a closed magnetic circuit, so that the magnetic suction block 49 magnetically adsorbs the steel structure workpiece. According to the length of the steel structure workpiece, control the motors 32 at each place to start. The motor 32 drives the gear 33 to rotate, so that the gear 33 meshes with the rack 34 during rotation, and then drives the slider 36 and the moving plate 37 to slide linearly along the first guide rail 35, so as to evenly disperse multiple magnetic hoisting groups 4 according to the length of the steel structure workpiece. Pass an electric current into the coil inside the magnetic suction block 49 to make the magnetic suction block 49 generate magnetic force, and then adsorb the steel structure workpiece to be hoisted. Since the rotating ring 48 is rotatably connected to the magnetic suction block 49, after the magnetic suction block 49 comes into contact with and adsorbs the steel structure workpiece, by starting the external hoisting mechanism, through the connection of the branch hanging frame 42, the first branch hanging ring 43, the third connecting hook 44, the branch hoisting chain 45, the fourth connecting hook 46, and the second branch hanging ring 47, the steel structure workpiece is hoisted. Since multiple magnetic suction blocks 49 are provided and are evenly distributed and in contact with the steel structure, the purpose of multi-point distributed magnetic hoisting is realized; After the steel structure workpiece is lifted off the ground by the magnetic suction block 49, the motor three 61 is started, and the motor three 61 drives the screw rod 65 to rotate. The screw rod 65 drives the movable block 66 and the movable plate 67 to slide downward along the guide rail 2 64 through the action of the thread, and then drives the adjustable lifting group 5 to move downward as a whole, so that the ring chain 1 57 and the ring chain 2 58 reach the position matching the steel structure workpiece. When the ring chain 1 57 and the ring chain 2 58 are sleeved on the outside of the steel structure workpiece, according to the weight distribution of the steel structure workpiece, the telescopic cylinder 522 can be started, and the telescopic cylinder 522 drives the moving block 524 to slide linearly on the guide rod 523, and then drives the inner sprocket 2 55 and the ring chain 2 58 to perform linear motion, so as to achieve the purpose of adjusting the distance between the ring chain 1 57 and the ring chain 2 58, and meet the requirements of hoisting stability of steel structure workpieces with different weight distributions; After the ring chain 1 57 and the ring chain 2 58 are sleeved on the outside of the steel structure workpiece, the motor 3 61 is started again, so that the motor 3 61 drives the screw rod 65 to reverse, and then drives the adjustable hoisting group 5 to move upward as a whole. During the upward movement, the ring chain 1 57 and the ring chain 2 58 gradually bear the weight of the steel structure workpiece. At the same time, as the ring chain 1 57 and the ring chain 2 58 move upward, the branch hoisting chain 45 gradually becomes relaxed. After the steel structure workpiece is hoisted to the specified position by the external hoisting mechanism, during the assembly and docking, according to the posture of the steel structure workpiece at this time, when the posture is tilted at a small angle, the motor 2 53 is started, and the motor 2 53 drives the connecting shaft 2 72 to rotate. Since a protrusion is provided on the outer side of the connecting shaft 2 72, and a groove corresponding to the protrusion is provided on the inner side of the connecting shaft 1 71, while the connecting shaft 2 72 rotates, the connecting shaft 1 71 is synchronously driven to rotate, thereby driving the sprocket 1 54 and the sprocket 2 55 to rotate synchronously, thereby driving the steel structure workpiece inside thereof to flip at a small angle and adjust the posture. In the process of flipping the steel structure workpiece, the magnetic suction block 49 is always on the upper side of the steel structure workpiece. When it is adjusted to a suitable posture, the staff controls to start the lifting component 6. Since the branch lifting chain 45 is in a relaxed state at this time, the lifting component 6 drives the steel structure workpiece to move downward and gradually reach the assembly station. At this time, the branch lifting chain 45 is in a tight state. The steel structure workpiece is installed with the workpiece to be connected. After the installation is completed, the ring chain 1 57 and the ring chain 2 58 are separated from the steel structure workpiece through the connecting hook 5 59, and then the power in the magnetic suction block 49 is cut off to separate the magnetic suction block 49 from the steel structure workpiece. At this point, the lifting operation is completed.

[0035] Although 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 the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An assembled open-web sandwich panel hoisting device, comprising a main hoisting connecting piece (1), characterized in that: A support frame (2) is fixedly connected to the lower side of the main lifting connector (1). A moving mechanism (3) is fixedly connected to the lower side of the support frame (2). A uniformly distributed magnetic lifting group (4) is fixedly connected to the lower side of the moving mechanism (3). Lifting components (6) are fixedly connected to both ends of the support frame (2). An adjustable lifting group (5) is fixedly connected to the side of the lifting component (6) away from the support frame (2). The adjustable lifting group (5) includes a first sprocket (54), a second sprocket (55), a first endless chain (57), and a second endless chain (58). The first endless chain (57) is meshed with the outer side of the first sprocket (54). The second endless chain (58) is meshed with the outer side of the second sprocket (55). Connecting hooks five (59) are installed on both the first endless chain (57) and the second endless chain (58). Through the rotation of the first endless chain (57) and the second endless chain (58), the attitude of the lifted prefabricated open-web sandwich plate steel structure can be adjusted. The magnetic lifting group (4) includes magnetic suction blocks (49). A plurality of groups of magnetic suction blocks (49) are uniformly distributed. The magnetic suction blocks (49) can perform multi-point distributed magnetic lifting on the prefabricated open-web sandwich plate steel structure.

2. The hoisting device for an assembled open-web sandwich panel according to claim 1, characterized in that: The main lifting connector (1) includes a main lifting ring (11), a first connecting hook (12), a main lifting chain (13), a connecting block (14), and a second connecting hook (15). Two groups of first connecting hooks (12) are clamped at both ends of the lower side of the main lifting ring (11). The first connecting hook (12) is fixedly connected to the lower side of the main lifting chain (13). The main lifting chain (13) is fixedly connected to the lower side of the second connecting hook (15). The second connecting hook (15) is clamped to the lower side of the connecting block (14). The connecting block (14) is fixedly connected to the support frame (2).

3. The hoisting equipment for an assembled open-web sandwich plate according to claim 1, characterized in that: The moving mechanism (3) includes a protective housing (31), a rack (34), a first guide rail (35), and a moving member. The protective housing (31) is fixedly connected to the lower side of the support frame (2). The rack (34) and the first guide rail (35) are fixedly connected to the inner side of the protective housing (31). A plurality of groups of uniformly distributed moving members are arranged on the lower side of the protective housing (31). The moving member includes a first motor (32), a gear (33), a slider (36), and a moving plate (37). The first motor (32) is arranged on the lower side of the protective housing (31). The output end of the first motor (32) is fixedly connected to the gear (33). The gear (33) is meshed with the rack (34). The gear (33) is located inside the protective housing (31). The slider (36) is slidably connected to the outer side of the first guide rail (35). The lower side of the slider (36) is fixedly connected to the moving plate (37). A slot corresponding to the moving plate (37) is opened on the protective housing (31). The first motor (32) is fixedly connected to the moving plate (37).

4. The hoisting device for an assembled hollow sandwich panel according to claim 3, characterized in that: The magnetic lifting group (4) further includes a fixing plate (41), a branch hanger (42), a first branch lifting ring (43), a third connecting hook (44), a branch lifting chain (45), a fourth connecting hook (46), a second branch lifting ring (47), and a rotating ring (48). A fixing plate (41) is fixedly connected to the lower side of the moving plate (37). A branch hanger (42) is fixedly connected to the lower side of the fixing plate (41). A first branch lifting ring (43) is sleeved on the lower side of the branch hanger (42). A third connecting hook (44) is clamped to the lower side of the first branch lifting ring (43). A branch lifting chain (45) is fixedly connected to the lower side of the third connecting hook (44).

5. The hoisting device for prefabricated open-web sandwich panels according to claim 4, wherein: A fourth connecting hook (46) is fixedly connected to the lower side of the branch lifting chain (45). A second branch lifting ring (47) is clamped to the lower side of the fourth connecting hook (46). A rotating ring (48) is sleeved on the lower side of the second branch lifting ring (47). A magnetic suction block (49) is rotatably connected to the lower side of the rotating ring (48).

6. The hoisting device for an assembled open-web sandwich panel according to claim 1, wherein: The lifting assembly (6) includes a third motor (61), a fixed seat (62), an installation housing (63), a second guide rail (64), a lead screw (65), a movable block (66), and a movable plate (67). Fixed seats (62) are fixedly connected to both ends of the support frame (2). An installation housing (63) is fixedly connected to the side of the fixed seat (62) away from the support frame (2). A third motor (61) is fixedly connected to the upper side of the installation housing (63). A second guide rail (64) is fixedly connected to the side of the installation housing (63) away from the support frame (2). The output end of the third motor (61) is fixedly connected to a lead screw (65). The lead screw (65) is rotatably connected to the installation housing (63). A movable block (66) is threadedly connected to the outer side of the lead screw (65). A movable plate (67) is slidably connected to the outer side of the second guide rail (64). The movable plate (67) is fixedly connected to the movable block (66). A connecting seat (68) is fixedly connected to the side of the movable plate (67) away from the movable block (66).

7. The hoisting device for an assembled open-web sandwich panel according to claim 6, wherein: The adjustable lifting group (5) further includes a connecting shell (51), a pushing assembly (52), a second motor (53), a bearing seat (56), and a fifth connecting hook (59). A connecting shell (51) is fixedly connected to the lower side of the connecting seat (68). A pushing assembly (52) is fixedly connected to the inner side of the connecting shell (51). A second motor (53) is fixedly connected to the outer side of the connecting shell (51). The output end of the second motor (53) is a fixed shaft body assembly (7). Bearings are sleeved on the outer sides of both ends of the shaft body assembly (7). A bearing seat (56) is installed on the outer side of the bearing.

8. The hoisting equipment for an assembled open-web sandwich panel according to claim 7, characterized in that: The shaft body assembly (7) includes a first connecting shaft (71) and a second connecting shaft (72). A second connecting shaft (72) is fixedly connected to the inner side of the first sprocket (54). A first connecting shaft (71) is fixedly connected to the inner side of the second sprocket (55). The first connecting shaft (71) is clamped to the second connecting shaft (72). The second connecting shaft (72) rotates synchronously with the first connecting shaft (71).

9. The hoisting device for an assembled voided sandwich slab according to claim 7, characterized in that: The driving component (52) includes a mounting plate (521), a telescopic cylinder (522), a guide rod (523), a moving block (524), and a mounting block (525). The inner side of the connecting shell (51) is fixedly connected with the mounting plate (521). The lower side of the mounting plate (521) is fixedly connected with the telescopic cylinder (522). The lower side of the mounting plate (521) is also fixedly connected with two groups of guide rods (523). The outer side of the guide rod (523) is slidably connected with the moving block (524). The output end of the telescopic cylinder (522) is fixedly connected with the moving block (524). The lower side of the moving block (524) is fixedly connected with the mounting block (525). The mounting block (525) is fixedly connected with the bearing seat (56) at the sprocket two (55). The bearing seat (56) at the sprocket one (54) is fixedly connected with the inner side wall of the connecting shell (51).

10. A hoisting method for a hoisting device of an assembled open-web sandwich panel, which is applied to a hoisting device of an assembled open-web sandwich panel according to any one of claims 1-9, and is characterized in that: It includes the following steps: S1. Magnetic lifting: According to the length of the steel structure workpiece, the magnetic suction blocks (49) are evenly dispersed, and the magnetic suction blocks (49) are electrified to perform multi-point magnetic lifting on the steel structure workpiece; S2. Adjust the outer lifting spacing: According to the weight distribution state of the steel structure workpiece, adjust the spacing between the first endless chain (57) and the second endless chain (58) to meet the requirements of lifting stability; S3. Sleeve the outer lifting chains: Through the lifting component (6), the first endless chain (57) and the second endless chain (58) are adjusted to a position below the steel structure workpiece, sleeved on the outside, and then the first endless chain (57) and the second endless chain (58) are lifted by the lifting component (6) to make the branch lifting chain 45 in a slack state; S4. Lifting, position positioning and attitude adjustment: Lift the steel structure workpiece to the specified position, perform fine displacement positioning through the lifting component (6), and drive the steel structure workpiece to turn at a small angle through the first endless chain (57) and the second endless chain (58) for attitude adjustment; S5. Separate the lifting tool: After the steel structure workpiece is assembled, separate the first endless chain (57) and the second endless chain (58) from the steel structure workpiece through the connecting hook five (59), and the magnetic suction blocks (49) are powered off and separated.

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