A large-scale public construction project steel structure roof hoisting equipment

Abstract

The invention discloses a steel structure roof hoisting device for a large public building project, which relates to the technical field of hoisting equipment. The device comprises a base and a column fixedly connected to the middle of the top of the base, the top of the column is rotatably connected to a top plate, a bidirectional motor is fixedly installed in the middle of the top of the top plate, an output end of the bidirectional motor is fixedly connected to a winding shaft, a winding roller is fixedly connected to the outer side of the winding shaft, a steel rope is wound around the outer side of the winding roller, and the device also comprises: an auxiliary mechanism arranged on both sides of the column, the auxiliary mechanism comprises a fixed block and an installation box, the bottom of the fixed block is fixedly connected to a rack; a locking mechanism is arranged on one side of the bottom of the installation box, which solves the problem that the device hoists objects through hooks, and there will be shaking and instability during the rising process of the objects, and the steel is prone to loosening and collision damage when hoisting the steel structure, which reduces the hoisting efficiency of the steel structure and has certain defects.

Description

Technical Field

[0001] The invention relates to the technical field of hoisting equipment, in particular to a large-scale public building engineering steel structure roof hoisting equipment. Background Art

[0002] Construction project hoisting is a new type of construction technology, which is developed on the basis of traditional construction technology. It can effectively improve construction efficiency, reduce construction costs, and improve construction quality. Hoisting devices are often used in the construction of existing roof steel structures.

[0003] For example, a steel structure profile lifting device with publication number CN214422136U belongs to the technical field of steel structure profile lifting devices. The steel structure profile lifting device includes a fixing device, a steering device and a lifting device. The turntable is rotatably installed on the base, the output end of the first motor is connected to the turntable key, the lifting platform is fixedly installed on the top of the turntable, the second motor is fixedly installed on the top of the lifting platform, the output end of the second motor is transmission-connected to the threaded rod, the lifting platform is threadedly connected to the threaded rod, and the lifting platform is connected to the The sliding rod is slidably connected, one end of the noose is rotationally connected to the winch, the other end of the noose is slidably connected to the lifting platform, and the storage box is connected to the end of the noose away from the winch. The equipment improves the problems of manpower consumption, low transportation efficiency, inability to transport to higher positions, inability to adjust the angle, and physical restrictions on lifting steel. However, the device lifts items by hooking, and during the rising process of the items, there will be shaking and instability. When lifting steel structures, it is easy for steel to loosen and collide and be damaged, which reduces the lifting efficiency of the steel structure and has certain defects.

[0004] Therefore, we proposed a large-scale public building steel structure roof hoisting equipment to solve the above-mentioned problems. Summary of the invention

[0005] The purpose of the present invention is to provide a steel structure roof hoisting device for a large public building project to solve the problem that when the device hoists objects through hooks, the objects will shake and become unstable during the rising process, and the steel is prone to loosening and collision damage when hoisting the steel structure, which reduces the hoisting efficiency of the steel structure and has certain defects.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a large-scale public building engineering steel structure roof hoisting equipment, comprising a base and a column fixedly connected to the middle of the top of the base, the top of the column is rotatably connected to a top plate, a bidirectional motor is fixedly installed in the middle of the top of the top plate, the output end of the bidirectional motor is fixedly connected to a winding shaft, the outer side of the winding shaft is fixedly connected to a winding roller, and the outer side of the winding roller is wound with a steel rope;

[0007] It also includes: an auxiliary mechanism, which is arranged on both sides of the column, and the auxiliary mechanism includes a fixed block and an installation box, the fixed block is fixedly connected to both sides of the top plate, the bottom of the fixed block is fixedly connected to a rack, the bottom end of the steel rope is fixedly connected to one side of the top of the installation box, one side of the inner wall of the installation box is rotatably connected to a rotating shaft, the outer side of the rotating shaft is fixedly connected to a gear 1, the gear 1 is meshed with the rack, the middle of the inner wall of the installation box is rotatably connected to a threaded rod, the outer side of the threaded rod is fixedly connected to a gear 2, and the gear 2 is meshed with the gear 1;

[0008] The outer middle thread of the threaded rod is connected with a threaded sleeve, and the two ends of the threaded rod are rotatably connected with the two inner side walls of the installation box respectively. The top of the threaded sleeve is fixedly connected with a limit block, and the bottom of the threaded sleeve is fixedly connected with a pressure plate. One side of the inner top surface of the installation box is fixedly connected with a fixed rod, and the interior of the fixed rod is slidably connected with a sliding rod, and the top of the sliding rod is fixedly installed with a spring 1;

[0009] The bottom end of the slide rod is fixedly connected with a connecting sleeve through the fixing rod, and a side of the connecting sleeve close to the second gear is fixedly connected with an abutment plate, the pressing plate abuts against the abutment plate, and the top surface of the abutment plate is inclined downward from the connecting sleeve along the direction of the second gear, and the pressing plate abuts against the abutment plate;

[0010] The locking mechanism is arranged on one side of the bottom of the installation box, and the locking mechanism includes an outer cylinder, the top end of the outer cylinder is fixedly connected to the sliding rod, the inner part of the outer cylinder is slidably connected to the inner rod, the top end of the inner rod is fixedly connected to a spring 2, the bottom end of the inner rod is symmetrically rotated with a clamping claw, the outer sides of the outer cylinder are symmetrically installed with mounting blocks, the inner part of the mounting block is rotatably connected with a connecting rod, and the end of the connecting rod away from the mounting block is rotatably connected to the clamping claw.

[0011] Preferably, two installation boxes are symmetrically arranged, a blocking bar is fixedly connected to the middle of the inner top surface of the installation box, two blocking bars are symmetrically arranged, the limit block is located in the middle of the two blocking bars, and the limit block is slidably connected to the blocking bar.

[0012] By adopting the above technical solution, an auxiliary mechanism is provided. When the installation box rises, the installation box drives the gear to rise, so that the slide rod squeezes the outer cylinder at the bottom, so that the outer cylinder drives the clamping claws at the bottom to assist in pressing and positioning the steel, which is convenient for improving the clamping and fixing of the steel during the lifting, making the lifting more stable.

[0013] Preferably, the spring 1 is located inside the fixed rod, the bottom end of the spring 1 is fixedly connected to the top end of the sliding rod, and the top end of the spring 1 is fixedly connected to the fixed rod.

[0014] By adopting the above technical solution, the top surface of the abutment plate is inclined. When the abutment plate drives the connecting sleeve and the slide rod to descend, the slide rod will stretch the spring 1, and at the same time the slide rod squeezes the lower outer cylinder, and the spring acts as a buffer.

[0015] Preferably, the top end of the second spring is fixedly connected to the slide rod, the outer side of the outer cylinder is symmetrically provided with slide grooves, the mounting block is located inside the slide grooves, and the mounting block is slidably connected to the slide grooves.

[0016] By adopting the above technical solution, the clamping claws on both sides press the steel forward and backward. When the outer cylinder continues to press downward after clamping, the connecting rod drives the mounting block to squeeze the spring three, and the mounting block slides inside the slide groove, so that the outer cylinder can still be pressed down a certain distance after clamping to adapt to the rise of the mounting box.

[0017] Preferably, top blocks are symmetrically fixed on both sides of the outer cylinder, the top blocks are located above the mounting blocks, the top end of the mounting blocks is fixedly connected to a spring three, and the top end of the spring three is fixedly connected to the top block.

[0018] By adopting the above technical solution, the top block limits the top end of the spring three, so that the spring three is compressed when the mounting block moves upward, thereby facilitating the continued downward pressing of the outer cylinder after the clamping claws are clamped.

[0019] Preferably, a placing mechanism is provided on the other side of the bottom of the installation box, and the placing mechanism includes a fixing column, the top of the fixing column is fixedly connected to the bottom of the installation box, the bottom end of the fixing column is fixedly connected to a connecting plate, one side of the bottom of the connecting plate is fixedly connected to a vertical plate, and a side plate is symmetrically fixed to the lower part of the front side of the vertical plate.

[0020] By adopting the above technical solution, when placing steel, loosen the fixing bolts on the outside of the clamping plate, place the steel on the top of the side plates on both sides, then close the clamping plate, tighten the bolts to fix it, and then complete the initial placement and positioning of the steel.

[0021] Preferably, a clamping plate is hinged on the inner sides of the two side plates, and the clamping plate is fixedly connected to the connecting plate by bolts.

[0022] By adopting the above technical solution, the clamping plate can be opened and closed by bolts.

[0023] Preferably, a connecting rod is fixedly connected to one side of the installation box close to the column, a sliding sleeve is fixedly connected to one side of the connecting rod away from the installation box, a guide rod is symmetrically fixed to the bottom of the top plate, and the sliding sleeve is slidably connected to the guide rod.

[0024] By adopting the above technical solution, when the installation box rises, the installation box drives the connecting rod and the sliding sleeve to move, so that the sliding sleeve slides on the outside of the guide rod, thereby improving the stability of the lifting.

[0025] Preferably, a rotating sleeve is fixedly connected to the outer side of the lower part of the column, connecting strips are symmetrically fixed on both sides of the rotating sleeve, one end of the connecting strip away from the rotating sleeve is fixedly connected to the limiting sleeve, and the rack is located on the inner side of the limiting sleeve.

[0026] By adopting the above technical solution, the connecting bar and the limiting sleeve are used to support and position the rack, thereby improving the stability of the rack and maintaining normal transmission between the gear and the rack.

[0027] Compared with the prior art, the invention has the following beneficial effects: an auxiliary mechanism is provided, when the installation box rises, the installation box drives the gear to rise, so that the slide rod squeezes the outer cylinder at the lower part, and the outer cylinder drives the clamping claws at the bottom to assist in pressing and positioning the steel, and the outer cylinder continues to press down, so that the connecting rods on both sides press the clamping claws inward, and then the clamping claws on both sides press the steel front and back, so that the steel is clamped and fixed while the lifting is lifted, so that the lifting is more stable;

[0028] The gear train is then moved up and down, and the ...

[0029] A locking mechanism is provided, and when the sliding rod squeezes the outer cylinder, the outer cylinder drives the inner rod and the clamping claw at the bottom to press down through the spring 2. First, the inner rod presses the top of the steel material, and cooperates with the supporting force of the side plate to press the steel material up and down. Then, the inner rod does not move, and the outer cylinder continues to press down, which is equivalent to the inner rod contracting toward the inside of the outer cylinder, so that the connecting rods on both sides press the clamping claws inward, and then press the steel material front and back through the clamping claws on both sides. After clamping, when the outer cylinder continues to press down, the connecting rod will drive the mounting block to squeeze the spring 3, and the mounting block slides inside the slide groove. After clamping and fixing, the outer cylinder can still be pressed down a certain distance to adapt to the rise of the installation box. It is suitable for compression and fixation of steel of different shapes. Compared with the ordinary hydraulic cylinder clamping method, the clamping stability is also higher, which is convenient for improving the clamping and fixation of steel during lifting and hoisting, making the lifting more stable. It solves the problem that the device lifts objects through hooks, and there will be shaking and instability during the rising process of objects. When lifting steel structures, it is easy for steel to loosen and collide with each other, which reduces the lifting efficiency of steel structures and has certain defects. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the first three-dimensional overall structure of the present invention;

[0031] Figure 2 This is a schematic diagram of the installation structure of the installation box of the present invention;

[0032] Figure 3 This is a schematic diagram of the cross-sectional structure of the installation box of the present invention;

[0033] Figure 4 It is a schematic diagram of the cross-sectional structure of the fixing rod of the present invention;

[0034] Figure 5 For the present invention Figure 3 The enlarged structural diagram at A in the middle;

[0035] Figure 6 For the present invention Figure 4 The enlarged structural diagram at B in the middle;

[0036] Figure 7 This is a schematic diagram of the installation structure of the clamping claw of the present invention;

[0037] Figure 8 This is a schematic diagram of the cross-sectional structure of the outer cylinder of the present invention;

[0038] Fig. 9 For the present invention Figure 8 The enlarged structural diagram at C in the middle;

[0039] Fig.10 It is a schematic diagram of the second three-dimensional overall structure of the present invention.

[0040] In the figure: 1, base; 2, column; 3, top plate; 4, bidirectional motor; 5, winding shaft; 6, winding roller; 7, steel rope; 8, auxiliary mechanism; 81, fixed block; 82, rack; 83, installation box; 84, rotating shaft; 85, gear 1; 86, threaded rod; 87, gear 2; 88, threaded sleeve; 89, limit block; 810, blocking bar; 812, pressure plate; 813, fixed rod; 814, sliding rod; 815, spring 1; 816, connecting sleeve; 817, abutment Plate; 9, connecting rod; 10, placing mechanism; 101, fixing column; 102, connecting plate; 103, vertical plate; 104, side plate; 105, clamping plate; 11, locking mechanism; 111, outer cylinder; 112, inner rod; 113, spring two; 114, clamping claw; 115, mounting block; 116, connecting rod; 117, slide groove; 118, top block; 119, spring three; 12, sliding sleeve; 13, guide rod; 14, rotating sleeve; 15, connecting strip; 16, limit sleeve. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] See also Figure 1-10 The present invention provides a technical solution: a large-scale public building steel structure roof hoisting device, comprising a base 1 and a column 2 fixedly connected to the middle of the top of the base 1, the top of the column 2 is rotatably connected to a top plate 3, a bidirectional motor 4 is fixedly installed in the middle of the top of the top plate 3, the output end of the bidirectional motor 4 is fixedly connected to a winding shaft 5, the outer side of the winding shaft 5 is fixedly connected to a winding roller 6, and the outer side of the winding roller 6 is wound with a steel rope 7;

[0043] The auxiliary mechanism 8 is arranged on both sides of the column 2. The auxiliary mechanism 8 includes a fixed block 81 and an installation box 83. The fixed block 81 is fixedly connected to both sides of the top plate 3. The bottom of the fixed block 81 is fixedly connected with a rack 82. The bottom end of the steel rope 7 is fixedly connected to the top side of the installation box 83. A rotating shaft 84 is rotatably connected to one side of the inner wall of the installation box 83. A gear 1 85 is fixedly connected to the outer side of the rotating shaft 84. The gear 1 85 is meshed with the rack 82. A threaded rod 86 is rotatably connected to the middle of the inner wall of the installation box 83. A gear 2 87 is fixedly connected to the outer side of the threaded rod 86. The gear 2 87 is meshed with the gear 1 85.

[0044] The outer middle thread of the threaded rod 86 is connected with a threaded sleeve 88, and the two ends of the threaded rod 86 are rotatably connected with the two inner side walls of the installation box 83 respectively. The top of the threaded sleeve 88 is fixedly connected with a limit block 89, and the bottom of the threaded sleeve 88 is fixedly connected with a pressing plate 812. A fixed rod 813 is fixedly connected to one side of the inner top surface of the installation box 83, and a sliding rod 814 is slidably connected inside the fixed rod 813. A spring 815 is fixedly installed on the top of the sliding rod 814.

[0045] The spring 1 815 is located inside the fixed rod 813, the bottom end of the spring 1 815 is fixedly connected to the top end of the sliding rod 814, and the top end of the spring 1 815 is fixedly connected to the fixed rod 813;

[0046] Two installation boxes 83 are symmetrically arranged, and a blocking bar 810 is fixedly connected to the middle of the inner top surface of the installation box 83. Two blocking bars 810 are symmetrically arranged, and the limit block 89 is located in the middle of the two blocking bars 810. The limit block 89 is slidably connected to the blocking bar 810;

[0047] The bottom end of the slide bar 814 passes through the fixed rod 813 and is fixedly connected to a connecting sleeve 816. A side of the connecting sleeve 816 close to the second gear 87 is fixedly connected to an abutting plate 817. The pressing plate 812 abuts against the abutting plate 817. The top surface of the abutting plate 817 is inclined downward from the connecting sleeve 816 along the direction of the second gear 87. The pressing plate 812 abuts against the abutting plate 817.

[0048] The locking mechanism 11 is arranged on one side of the bottom of the installation box 83. The locking mechanism 11 includes an outer cylinder 111. The top of the outer cylinder 111 is fixedly connected to the sliding rod 814. The inner part of the outer cylinder 111 is slidably connected to the inner rod 112. The top of the inner rod 112 is fixedly connected to a spring 113. The bottom end of the inner rod 112 is symmetrically rotated with a clamping claw 114. The outer sides of the outer cylinder 111 are symmetrically installed with mounting blocks 115. The inner part of the mounting block 115 is rotatably connected with a connecting rod 116. The end of the connecting rod 116 away from the mounting block 115 is rotatably connected to the clamping claw 114.

[0049] The top end of the spring 113 is fixedly connected to the slide rod 814 . The outer side of the outer cylinder 111 is symmetrically provided with a slide groove 117 . The mounting block 115 is located inside the slide groove 117 . The mounting block 115 is slidably connected to the slide groove 117 .

[0050] Top blocks 118 are symmetrically fixed on both sides of the outer cylinder 111 . The top block 118 is located above the mounting block 115 . A spring three 119 is fixedly connected to the top of the mounting block 115 . The top of the spring three 119 is fixedly connected to the top block 118 .

[0051] A connecting rod 9 is fixedly connected to one side of the installation box 83 close to the column 2, a sliding sleeve 12 is fixedly connected to the side of the connecting rod 9 away from the installation box 83, a guide rod 13 is symmetrically fixed to the bottom of the top plate 3, and the sliding sleeve 12 is slidably connected to the guide rod 13.

[0052] A rotating sleeve 14 is fixedly connected to the outer side of the lower part of the column 2 , and connecting strips 15 are symmetrically fixed on both sides of the rotating sleeve 14 . One end of the connecting strip 15 away from the rotating sleeve 14 is fixedly connected to a limiting sleeve 16 , and the rack 82 is located on the inner side of the limiting sleeve 16 .

[0053] Embodiment 1: Figure 1-7 As shown, an auxiliary mechanism 8 is provided, and a bidirectional motor 4 drives the winding shaft 5 and the winding roller 6 to rotate, so that the winding roller 6 reels the steel rope 7, and the steel rope 7 drives the installation boxes 83 on both sides to rise, and the installation box 83 drives the steel at the bottom to rise and hoist, and the steel is fixed by the placement mechanism 10. When the installation box 83 rises, the installation box 83 drives the gear 1 85 to rise, and the gear 1 85 is meshed and connected with the rack 82, so that the gear 1 85 rotates and drives the gear 2 87 to rotate, and the gear 2 87 drives the threaded rod 86 to rotate, and the limit block 89 limits the threaded sleeve 88, so that the threaded sleeve 88 slides on the threaded rod 86. The diameter of gear 2 87 is larger than that of gear 1 85, so that gear 1 85 rotates fewer times, preventing the threaded sleeve 88 from getting stuck due to excessive rotation. The threaded sleeve 88 drives the bottom pressure plate 812 to move and squeeze the abutment plate 817. Since the top surface of the abutment plate 817 is inclined, the abutment plate 817 drives the connecting sleeve 816 and the slide rod 814 to descend, and the slide rod 814 stretches the spring 1 815. At the same time, the slide rod 814 squeezes the lower outer cylinder 111, so that the outer cylinder 111 drives the bottom clamping claw 114 to assist in pressing and positioning the steel, thereby reducing the loosening and slipping of the steel.

[0054] When the slide bar 814 squeezes the outer cylinder 111, the outer cylinder 111 drives the inner rod 112 and the clamping claw 114 at the bottom to press down through the spring 113. First, the inner rod 112 presses the top of the steel material, and cooperates with the supporting force of the side plate 104 to press the steel material up and down. Then, the inner rod 112 does not move, and the outer cylinder 111 continues to press down, which is equivalent to the inner rod 112 shrinking toward the inside of the outer cylinder 111, so that the connecting rods 116 on both sides press the clamping claws 114 inwardly, and then the steel is pressed front and back by the clamping claws 114 on both sides. After clamping, when the outer cylinder 111 continues to press down, the connecting rod 116 will drive the mounting block 115 to squeeze Spring three 119, the mounting block 115 slides inside the slide groove 117, so that the outer cylinder 111 can still be pressed down a certain distance after clamping and fixing to adapt to the rise of the mounting box 83. It is suitable for clamping and fixing steel of different shapes. Compared with the ordinary hydraulic cylinder clamping method, the clamping stability is also higher, which is convenient for improving the clamping and fixing of steel during lifting and lifting, making the lifting more stable, and solving the problem that the device lifts objects through hooks, and the objects will shake and be unstable during the rising process. When lifting steel structures, it is easy for steel to loosen and collide and be damaged, which reduces the lifting efficiency of steel structures and has certain defects.

[0055] A placement mechanism 10 is provided on the other side of the bottom of the installation box 83, and the placement mechanism 10 includes a fixed column 101. The top of the fixed column 101 is fixedly connected to the bottom of the installation box 83, and the bottom end of the fixed column 101 is fixedly connected to a connecting plate 102. A vertical plate 103 is fixedly connected to one side of the bottom of the connecting plate 102, and a side plate 104 is symmetrically fixed to the lower part of the front side of the vertical plate 103.

[0056] A clamping plate 105 is hinged on the inner sides of the two side plates 104 , and the clamping plate 105 is fixedly connected to the connecting plate 102 by bolts.

[0057] Embodiment 2: Figure 8-10 As shown, when placing the steel, loosen the fixing bolts on the outside of the clamping plate 105, place the steel on the top of the side plates 104 on both sides, then close the clamping plate 105, tighten the bolts to fix it, and then complete the initial placement and positioning of the steel, and then cooperate with the inner rod 112 and the clamping claw 114 to further clamp the steel.

[0058] Working principle: When using the device, first, Figure 1-10 As shown, loosen the fixing bolts on the outside of the clamping plate 105, place the steel on the top of the side plates 104 on both sides, then close the clamping plate 105, tighten the bolts to fix it, and then complete the initial placement and positioning of the steel, the bidirectional motor 4 drives the winding shaft 5 and the winding roller 6 to rotate, so that the winding roller 6 reels the steel rope 7, and the steel rope 7 drives the installation boxes 83 on both sides to rise, and the installation box 83 drives the steel at the bottom to rise and hoist, the steel is fixed by the placement mechanism 10, and when the installation box 83 rises, the installation box 83 drives the gear 85 to rise.

[0059] Gear 1 85 is meshed with rack 82, so that gear 1 85 rotates and drives gear 2 87 to rotate, gear 2 87 drives threaded rod 86 to rotate, and limit block 89 limits threaded sleeve 88, so that threaded sleeve 88 slides on threaded rod 86. The diameter of gear 2 87 is larger than gear 1 85, so that gear 1 85 rotates fewer times to prevent the threaded sleeve 88 from getting stuck due to excessive rotation. The threaded sleeve 88 drives the bottom pressure plate 812 to move and squeeze the abutment plate 817. Since the top surface of the abutment plate 817 is inclined, the abutment plate 817 drives the connecting sleeve 816 and the sliding rod 814 to descend, and the sliding rod 814 stretches the spring 1 815. At the same time, the sliding rod 814 squeezes the outer cylinder 111 at the bottom, so that the outer cylinder 111 drives the clamping claw 114 at the bottom to assist in pressing and positioning the steel.

[0060] When the sliding rod 814 squeezes the outer cylinder 111, the outer cylinder 111 drives the inner rod 112 and the clamping claw 114 at the bottom to press down through the spring two 113. First, the inner rod 112 presses the top of the steel, and cooperates with the supporting force of the side plate 104 to press the steel up and down. Then, the inner rod 112 does not move, and the outer cylinder 111 continues to press down, which is equivalent to the inner rod 112 shrinking toward the inside of the outer cylinder 111, so that the connecting rods 116 on both sides press the clamping claws 114 inwardly, and then press the steel front and back through the clamping claws 114 on both sides. After clamping, when the outer cylinder 111 continues to press down, the connecting rod 116 will drive the mounting block 115 to squeeze the spring three 119, and the mounting block 115 slides inside the slide groove 117, so that after clamping and fixing, the outer cylinder 111 can still be pressed down a distance to adapt to the rise of the mounting box 83.

[0061] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0062] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A steel structure roof hoisting device for a large public building project, comprising a base (1) and a column (2) fixedly connected to the middle of the top of the base (1), the top of the column (2) being rotatably connected to a top plate (3), a bidirectional motor (4) being fixedly installed in the middle of the top of the top plate (3), an output end of the bidirectional motor (4) being fixedly connected to a winding shaft (5), an outer side of the winding shaft (5) being fixedly connected to a winding roller (6), and a steel rope (7) being wound around the outer side of the winding roller (6); It is characterized in that Also includes: An auxiliary mechanism (8) is arranged on both sides of the column (2), the auxiliary mechanism (8) comprising a fixed block (81) and an installation box (83), the fixed block (81) is fixedly connected to both sides of the top plate (3), the bottom of the fixed block (81) is fixedly connected to a rack (82), the bottom end of the steel rope (7) is fixedly connected to one side of the top of the installation box (83), one side of the inner wall of the installation box (83) is rotatably connected to a rotating shaft (84), the outer side of the rotating shaft (84) is fixedly connected to a gear one (85), the gear one (85) is meshingly connected to the rack (82), the middle of the inner wall of the installation box (83) is rotatably connected to a threaded rod (86), the outer side of the threaded rod (86) is fixedly connected to a gear two (87), the gear two (87) is meshingly connected to the gear one (85); The outer middle thread of the threaded rod (86) is connected to a threaded sleeve (88), the two ends of the threaded rod (86) are respectively rotatably connected to the two inner side walls of the installation box (83), the top of the threaded sleeve (88) is fixedly connected to a limit block (89), the bottom of the threaded sleeve (88) is fixedly connected to a pressure plate (812), one side of the inner top surface of the installation box (83) is fixedly connected to a fixed rod (813), the interior of the fixed rod (813) is slidably connected to a sliding rod (814), and the top of the sliding rod (814) is fixedly installed with a spring 1 (815); The bottom end of the sliding rod (814) passes through the fixing rod (813) and is fixedly connected to a connecting sleeve (816); a side of the connecting sleeve (816) close to the second gear (87) is fixedly connected to an abutment plate (817); the pressing plate (812) abuts against the abutment plate (817); the top surface of the abutment plate (817) is inclined downward from the connecting sleeve (816) along the direction of the second gear (87); and the pressing plate (812) abuts against the abutment plate (817); A locking mechanism (11) is arranged at one side of the bottom of the installation box (83), the locking mechanism (11) comprising an outer cylinder (111), the top end of the outer cylinder (111) is fixedly connected to the sliding rod (814), the inner part of the outer cylinder (111) is slidably connected to an inner rod (112), the top end of the inner rod (112) is fixedly connected to a spring 2 (113), the bottom end of the inner rod (112) is symmetrically rotated with a clamping claw (114), the outer sides of the outer cylinder (111) are symmetrically installed with mounting blocks (115), the inside of the mounting block (115) is rotatably connected to a connecting rod (116), and the end of the connecting rod (116) away from the mounting block (115) is rotatably connected to the clamping claw (114); The spring one (815) is located inside the fixed rod (813), the bottom end of the spring one (815) is fixedly connected to the top end of the sliding rod (814), and the top end of the spring one (815) is fixedly connected to the fixed rod (813); The top end of the second spring (113) is fixedly connected to the slide rod (814); a slide groove (117) is symmetrically provided on the outer side of the outer cylinder (111); the mounting block (115) is located inside the slide groove (117); and the mounting block (115) is slidably connected to the slide groove (117); Top blocks (118) are symmetrically fixed on both sides of the outer cylinder (111), the top block (118) is located above the mounting block (115), the top end of the mounting block (115) is fixedly connected to a spring three (119), and the top end of the spring three (119) is fixedly connected to the top block (118).

2. A large-scale public construction steel structure roof hoisting equipment according to claim 1, Features: Two installation boxes (83) are symmetrically arranged, a blocking bar (810) is fixedly connected to the middle of the inner top surface of the installation box (83), two blocking bars (810) are symmetrically arranged, the limiting block (89) is located between the two blocking bars (810), and the limiting block (89) is slidably connected to the blocking bar (810).

3. A large-scale public construction steel structure roof hoisting equipment according to claim 1, Features: A placement mechanism (10) is provided on the other side of the bottom of the installation box (83), the placement mechanism (10) comprising a fixing column (101), the top end of the fixing column (101) being fixedly connected to the bottom of the installation box (83), the bottom end of the fixing column (101) being fixedly connected to a connecting plate (102), one side of the bottom of the connecting plate (102) being fixedly connected to a vertical plate (103), and a side plate (104) being symmetrically fixed to the lower portion of the front side of the vertical plate (103).

4. A large-scale public construction steel structure roof hoisting equipment according to claim 3, Features: A clamping plate (105) is hingedly connected to the inner sides of the two side plates (104), and the clamping plate (105) is fixedly connected to the connecting plate (102) via bolts.

5. A large-scale public construction steel structure roof hoisting equipment according to claim 1, Features: A connecting rod (9) is fixedly connected to a side of the installation box (83) close to the column (2), a sliding sleeve (12) is fixedly connected to a side of the connecting rod (9) away from the installation box (83), a guide rod (13) is symmetrically fixed to the bottom of the top plate (3), and the sliding sleeve (12) is slidably connected to the guide rod (13).

6. A large-scale public construction steel structure roof hoisting equipment according to claim 1, Features: A rotating sleeve (14) is fixedly connected to the outer side of the lower part of the upright column (2), connecting strips (15) are symmetrically fixed to both sides of the rotating sleeve (14), one end of the connecting strip (15) away from the rotating sleeve (14) is fixedly connected to a limiting sleeve (16), and the rack (82) is located on the inner side of the limiting sleeve (16).

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