CN219585637U - High large-span factory building steel construction hoist device - Google Patents

Abstract

The utility model relates to a high-large-span factory building steel structure hoisting device which comprises a steel wire rope, a U-shaped hoisting ring and a clamp, wherein the steel wire rope is connected with the clamp through the U-shaped hoisting ring, the steel wire rope is hoisted on a crane hook, the clamp is composed of two hoisting claws with one ends connected through a shaft, the two hoisting claws are respectively and rotatably connected with a first cross rod and a second cross rod with inner wire through holes, the inner wires of the first cross rod and the second cross rod are opposite in direction, an outer wire is processed on a spiral adjusting shaft, the spiral adjusting shaft penetrates through the inner wire through holes of the first cross rod and the second cross rod, the opening and closing angles of the two hoisting claws are adjusted through threads to lock or loosen the hoisted steel structure, each hoisting claw is formed by connecting two pieces of hook-shaped clamping claws integrally connected, and the end parts of the hook-shaped clamping claws are bearing fulcraps. The utility model has simple structure, stable and safe hoisting process, stable stress and non-eccentric stress, and is convenient for aligning and adjusting the bolt holes, thereby reducing the labor intensity of operators and improving the working efficiency.

Description

High large-span factory building steel construction hoist device

Technical Field

The utility model belongs to the technical field of steel structure hoisting devices, and particularly relates to a high-large-span factory building steel structure hoisting device for hoisting H-shaped steel and I-shaped steel.

Background

The steel construction factory building frame roof beam adopts H shaped steel more generally, and the duty tonnage is big, and beam column node is mostly the bolt, after the steel column is installed, need to guarantee behind the girder steel hoist and mount that the post roof beam bolt hole aligns, guarantees that the bolt passes smoothly to reach the purpose of installation.

At present, the known lifting method of the steel structure of the door frame comprises the steps of firstly lifting a steel structure beam, penetrating two lifting belts from the lower part of the top beam of the door frame steel structure, fixing the lifting belts on the beam by using clamping rings, then lifting, and releasing the clamping rings and drawing out the lifting belts after the two sections of steel wire ropes are hung on a crane hook to generate horizontal opposite force, so that the side slipping, the turnover and other conditions are easy to generate, after the steel wire ropes are lifted to a preset position, bolt holes do not correspond, the position of the beam is required to be adjusted by constructors in the air, and the clamping rings are required to be released and pulled out after the installation is completed. According to the method, the steel structure is required to be lifted to penetrate into the lifting belt during each lifting, and after the steel structure is lifted to the preset position, the position of the cross beam is adjusted in the air, the lifting belt is unhooked, the construction danger is increased, the labor waste is caused, and the working efficiency is reduced.

Disclosure of Invention

The utility model solves the technical problems that the steel structure hoisting device for the high and large-span factory buildings is inconvenient to construct and inconvenient to adjust bolt hole alignment caused by the fact that the steel structure cannot be locked during hoisting and the steel structure is easy to sideslip and overturn in the prior art.

The technical scheme adopted by the utility model is as follows: the utility model provides a high large-span factory building steel construction hoist device, includes wire rope, U type rings and anchor clamps, wire rope passes through U type rings and is connected with anchor clamps, wire rope hangs on the crane couple, anchor clamps are two lifting claws of one end through hub connection and constitute, rotate respectively on two lifting claws and be connected with first horizontal pole and the second horizontal pole that have interior silk through-hole, the interior silk opposite direction of first horizontal pole and second horizontal pole, spiral regulating spindle processing has the outer silk, spiral regulating spindle passes the interior silk through-hole of first horizontal pole and second horizontal pole, adjusts the opening and closing angle of two lifting claws through the screw thread and locks or loosens the steel construction of hoist and mount, every the lifting claw is connected integratively through the connecting rod between two hook-shaped clamping claws, and the tip of hook-shaped clamping claw is the bearing fulcrum.

Further optimized, two lifting devices are used simultaneously in a group, and the two lifting devices are respectively positioned at two sides of the gravity center of the lifting steel structure.

The technical effects are as follows: according to the length of the steel structure to be hoisted, the positions of the hoisting devices are reasonably arranged, one hoisting device is respectively arranged at the two sides of the gravity center of the steel structure, and the integral axial relative deformation of the hoisted steel structure is controlled to be equal to or close to zero.

Further optimized, the end face of the bearing fulcrum of the hook-shaped clamping jaw is an arc face.

The technical effects are as follows: the lifting device is provided with 4 bearing fulcra, so that the space stress of the lifting device is stable and not eccentric, the integral stress point is arranged on the geometric center plane of the lifting device, and the contact position of the arc surface and the steel structure is not easy to damage the steel structure.

The beneficial effects of the utility model are as follows: the utility model has simple structure, stable and safe hoisting process, stable stress and non-eccentric stress, and is convenient for aligning and adjusting the bolt holes, thereby reducing the labor intensity of operators and improving the working efficiency.

Drawings

FIG. 1 is a schematic structural view of a hoisting device for a steel structure of a high-span factory building;

FIG. 2 is an assembly diagram of a steel structure hoisting device and a steel structure of a high and large-span factory building;

fig. 3 is a schematic diagram of a semi-section structure of a hoisting device for a steel structure of a high and large span factory building.

Reference numerals: the device comprises a 1-steel wire rope, a 2-U-shaped lifting ring, a 3-clamp, a 4-spiral adjusting shaft, a 31-lifting claw, a 32-shaft, a 33-first cross rod, a 34-second cross rod, a 311-hook-shaped clamping jaw, a 312-connecting rod and a 313-bearing fulcrum.

Detailed Description

The present utility model will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. The lifting device is mainly used for lifting H-shaped steel, I-shaped steel, H-shaped steel herringbone beams after assembly and the like, and is provided with a steel structure which can be convenient to clamp and is positioned on the same vertical plane with the force application point of the lifting device after lifting, and the steel structure is used as a cross beam of a high-span factory building when being aligned and installed with a stand column.

The main principle is as follows: the clamp 3 is connected with the steel wire rope 1 hung on the crane hook through the U-shaped hanging ring 2, the clamp 3 is clamped on the upper flange plate of the H-shaped steel or the I-shaped steel, and the steel structure is locked and hoisted through the spiral adjusting shaft 4. The steel structure that can prevent to hoist after locking sideslips, and it is steady to hoist, realizes hoisting to the direct counterpoint installation of mounted position.

As shown in fig. 1 and 2, the utility model provides a hoisting device for a steel structure of a high and large-span factory building, which comprises a steel wire rope 1, a U-shaped hoisting ring 2 and a clamp 3, wherein the steel wire rope 1 is connected with the clamp 3 through the U-shaped hoisting ring 2, and is suspended on a crane hook through the steel wire rope 1. At least two lifting devices are used simultaneously, 1 lifting device is respectively arranged at the positions near the two ends of the steel structure in the longer steel structure, and then 1 to 2 lifting devices or other auxiliary lifting devices without clamping structures are additionally arranged in the middle.

As shown in fig. 1 and 3, the clamp 3 is composed of two hanging claws 31 with one end connected by a shaft 32, the two hanging claws 31 are respectively and rotatably connected with a first cross rod 33 and a second cross rod 34 with inner wire through holes, the inner wires of the first cross rod 33 and the second cross rod 34 are opposite in direction, the spiral adjusting shaft 4 is processed with an outer wire, the spiral adjusting shaft 4 penetrates through the inner wire through holes of the first cross rod 33 and the second cross rod 34, the opening and closing angles of the two hanging claws 31 are adjusted by threads to lock or loosen a hoisted steel structure, each hanging claw 31 is formed by integrally connecting two hanging claws 311 by a connecting rod 312, the hanging claws 311 are formed by processing plates, the upper ends of the hanging claws are processed with shaft holes for the shaft 32 to penetrate through, and the lower ends of the hanging claws are arc hanging claws. The lower end of the hook-shaped clamping jaw 311 is a bearing fulcrum 313, and the end surface of the bearing fulcrum 313 is an arc surface. The two end surfaces of the first cross bar 33 are rotatably connected to the inner side surfaces of the hook-shaped clamping jaws 311 of the same lifting claw 31, and the two end surfaces of the second cross bar 34 are rotatably connected to the inner side surfaces of the hook-shaped clamping jaws 311 of the other lifting claw 31. The two hook-shaped clamping jaws 311 are connected into a whole through the cross rod and the connecting rod 312 to form a space structure body, namely the lifting jaws 31, and the two lifting jaws 31 are connected through the shaft 32 to form the clamp 3.

The hoisting devices can be used simultaneously in a group of two, and a plurality of hoisting devices can be used according to the structural characteristics of the actual hoisted steel structure, and the principle of arranging the positions of the hoisting devices follows the principle of controlling the whole axial relative deformation of the hoisted steel structure to be equal to or close to zero.

When the lifting device is used, as shown in fig. 2, taking lifting of H-shaped steel by using 2 lifting devices as an example, a clamp 3 is connected with a steel wire rope 1 hung on a crane hook through a U-shaped hanging ring 2, then the clamp 3 is clamped to an upper flange plate of the H-shaped steel, 4 bearing support points 313 are in contact with the lower surface of the upper flange plate of the H-shaped steel, a spiral adjusting shaft 4 is rotated to lock the H-shaped steel, then lifting is carried out, alignment installation operation is carried out after the lifting is carried out to a designated position, the H-shaped steel is loosened by reversely rotating the spiral adjusting shaft 4 after the installation is completed, and the lifting device is moved out of the H-shaped steel.

While there has been shown and described what is at present considered to be the fundamental principles and the main features of the utility model and the advantages thereof, it will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, but is described in the foregoing description merely illustrates the principles of the utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model as hereinafter claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (3)

1. High large-span factory building steel construction hoist device, its characterized in that: including wire rope (1), U type rings (2) and anchor clamps (3), wire rope (1) are connected with anchor clamps (3) through U type rings (2), wire rope (1) are hung on crane couple, anchor clamps (3) are two lifting claws (31) that one end is connected through axle (32) are constituteed, rotate respectively on two lifting claws (31) and are connected with first horizontal pole (33) and second horizontal pole (34) that have interior silk through-hole, the interior silk opposite direction of first horizontal pole (33) and second horizontal pole (34), spiral regulating spindle (4) process the outer silk, spiral regulating spindle (4) pass the interior silk through-hole of first horizontal pole (33) and second horizontal pole (34), adjust the steel construction locking or the loosening of opening and closing angle pair hoist and mount through the screw thread, every lifting claw (31) are connected integratively through connecting rod (312) between two hook-shaped clamping claws (311), and the tip of hook-shaped clamping claw (311) is for bearing (313).

2. The high and large-span plant steel structure hoisting device according to claim 1, wherein: two lifting devices are used simultaneously in a group, and the two lifting devices are respectively positioned at two sides of the gravity center of the lifting steel structure.

3. The high and large-span plant steel structure hoisting device according to claim 1, wherein: the end face of the bearing fulcrum (313) of the hook-shaped clamping jaw (311) is an arc surface.