CN115432564A - Hoisting method and hoisting device for steel member - Google Patents

Abstract

The invention discloses a hoisting method and a hoisting device for a steel component to solve the problem that a crane cannot hoist the steel component at a dead angle. The hoisting method includes the steps of setting a hoisting point, setting a traction rope of the hoist, hoisting two hoisting machines at the same time, and the like. The hoisting device includes a winch, a steel structure column, a main beam, a channel steel hoop, a hanging plate, a hook block and a steel wire rope. The channel steel hoop is set close to the supporting plate of the column foot of the steel structure column; the hanging plate is welded to the channel steel hoop; the first hook block is fixed to the hanging plate; the fixing point of the first hook block The fixing point of the second hook tackle is provided above and on the main beam; the fixing point of the third hook tackle is provided on the main beam just above the side of the steel member to be installed. The present invention uses the main beam of the existing steel structure for hoisting, and does not need to spend manpower and materials to set up the mast, which saves time and effort; the hoisting path is relatively concealed and takes up less space; the device is easy to build and the construction cost is low.

Description

Method and device for hoisting steel components

technical field

The invention relates to the technical field of steel structure construction, and more particularly, to a hoisting method and a hoisting device for a steel component.

Background technique

At present, the hoisting of steel components on the steel structure construction site usually relies on truck cranes or tower cranes, and hoists or hoists are often used for hoisting in dead corners that cannot be hoisted by cranes or tower cranes. However, manual hoisting is time-consuming and laborious, and electric hoists cannot be hoisted tiltedly. If the traditional hoist is used for hoisting, the cables are often interspersed, which takes up a lot of space and is not convenient for on-site civilized construction management.

The Chinese invention patent with the application number CN201310401594.2 discloses a method of using a mast device to hoist the mast in the blind area of the tower crane. The mast device includes a mast, a disc-shaped connecting piece, a base, a pulley, a wire rope and two winches; the mast has two, which are a mast I and a mast II; the pulley is divided into a pulley I, a pulley II, a pulley III, and a pulley IV , pulley V, pulley VI, pulley VII, pulley VIII, the lower part of mast I is connected with hinge, pulley III and pulley IV; the steel wire rope is divided into four steel wire ropes, which are respectively wire rope I, steel rope II, steel wire rope III and steel wire rope IV . This solution solves the problem of hoisting steel structure beams and columns when hoisting machinery cannot be used in the blind area of the tower crane. However, the device is too complicated, and the cables are interspersed everywhere, which takes up a lot of space.

Therefore, it is a technical problem to be solved urgently to develop a hoisting method and a hoisting device for steel components at the dead corner of the crane that are easy to implement and take up less space.

Contents of the invention

Due to the above-mentioned defects in the prior art, the present invention provides a hoisting method and a hoisting device for steel components to solve the problems that the crane cannot hoist the steel components at dead corners, and the traditional method is inconvenient to operate and takes up a large space.

In order to achieve the above object, on the one hand, the present invention provides a method for hoisting steel components, which is characterized in that it includes the following steps:

Step S1, set the lifting point on one side of the steel member to be installed: set the fixed point of the first hook block close to the foot of the steel structure column; set the second hanging block above the fixed point of the first hook block and on the main beam nearby The fixed point of the hook block; the fixed point of the third hook block is set directly above the side of the steel member to be installed and on the main beam;

Step S2, set the traction rope of the hoist on one side of the steel member to be installed: the traction rope of the hoist passes through the first hook block, the second hook block, and the third hook block in sequence, and then binds downward on the steel member to be installed. one side of the member;

Step S3, on the other side of the steel component to be installed, use the same method as steps S1 and S2 to set the lifting point and the traction rope of the hoist;

Step S4, control the two hoists to slowly retract the traction rope at the same speed at the same time, observe and adjust the binding position of the traction rope on the steel member to be installed so that the center of gravity is stable;

Step S5, lifting the steel member to be installed to the installation height, and fixing it by spot welding.

The method can use the existing steel structure columns and main beams for hoisting, without spending labor and materials to set up masts, saving time and effort; the hoisting traction rope is close to the ground, and then goes upward along the steel structure columns, changing the path on the main beams, Up to the top of the hoisting area, the entire path is relatively concealed, so that the cables are not pulled diagonally and take up a lot of space.

Preferably, in the step S1, the setting step of the fixing point of the first hook block includes:

Step S11, welding a circle of channel steel close to the supporting plate of the steel structure column foot as a hoop;

Step S12, welding a small hanging plate on the hoop, and opening a hole in the middle of the hanging plate;

Step S13 , the horseshoe buckle passes through the through hole as a fixing point of the first hook block.

Preferably, the method for setting the fixing point of the second or third hook block on the main beam includes binding the main beam with a wire rope for one turn, and hanging the hook block on the bottom of the wire rope.

Preferably, the method for setting the fixing point of the second or third hook block on the main crossbeam includes welding a lifting ring on the main crossbeam, and hanging the hook block on the bottom of the lifting ring.

On the other hand, the present invention provides a hoisting device for steel components, which is characterized in that it is used to implement the above-mentioned hoisting method for steel components, including: two winches, steel structure columns, steel structure main beams, channel steel hoops, hoisting board, 6 hook blocks, wire rope;

The channel steel hoop is set close to the support plate of the column foot of the steel structure column; the hanging plate is welded to the channel steel hoop; a through hole is opened in the middle of the hanging plate; the first hook block is fixed in the through hole;

Above the fixed point of the first hook block, the fixed point of the second hook block is provided on the main beam nearby; the fixing point of the third hook block is provided on the main beam directly above the side of the steel member to be installed. point;

The other side of the steel member to be installed is symmetrically provided with channel steel hoops and three hook blocks;

The wire ropes of the two winches pass through the first hook block, the second hook block, and the third hook block respectively in sequence, and then are bound downward to both sides of the steel member to be installed.

Preferably, the channel steel hoop is made of 10# channel steel.

Preferably, the hanging plate is channel steel or steel plate.

Preferably, the hanging plate is a cut section of 10# channel steel, and the diameter of the through hole is 10 to 30 mm.

Preferably, the horseshoe buckle passes through the through hole and is used for fixing the first hook block.

Preferably, corners of steel members bound by steel wire ropes are protected with corner protectors.

Compared with the prior art, the above invention has the following advantages or beneficial effects:

(1) The hoisting operation of steel components can be carried out in the dead corner of large-scale hoisting equipment such as cranes and tower cranes;

(2) Use the existing steel structure main beam for hoisting, no need to spend labor and materials to set up the mast, saving time and effort;

(3) The traction rope for hoisting is close to the ground, then goes up along the steel structure column, and changes the path on the main beam until it is directly above the hoisting area. On-site safe and civilized construction management;

(4) Two winches are used for hoisting at the same time, which can make the steel structure rise more horizontally and stably, and facilitate subsequent installation and docking;

(5) There is no need for temporary welding on the steel structure, which is beneficial to the protection of the finished product;

(6) The components involved in the device are common and easy to build, and the construction cost is low.

Description of drawings

The invention and its characteristics, configurations and advantages will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings. Like numbers designate like parts throughout the drawings. The drawings may not be drawn to scale, emphasis instead being placed upon illustrating the gist of the invention.

Fig. 1 is the flow chart of hoisting method of the present invention;

Fig. 2 is a three-dimensional schematic view of the hoisting device of the present invention;

Among them, 1 is the hoist, 2 is the steel structure column, 3 is the main beam of the steel structure, 4 is the channel steel hoop, 5 is the hanging plate, 51 is the horseshoe buckle, 61 is the first hook block, 62 is the second hook Block, 63 is the third hook block, and 7 is a wire rope, and 8 is an angle protector.

detailed description

The structure of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but it is not intended as a limitation of the present invention.

Example 1

Referring to Fig. 1, a hoisting method for hoisting steel components at the dead corner of the crane includes the following steps:

Step S1, set the lifting point on one side of the steel member to be installed: set the fixed point of the first hook block close to the foot of the steel structure column; set the second hanging block above the fixed point of the first hook block and on the main beam nearby The fixed point of the hook block; the fixed point of the third hook block is set directly above the side of the steel member to be installed and on the main beam;

Step S2, set the traction rope of the hoist on one side of the steel member to be installed: the traction rope of the hoist passes through the first hook block, the second hook block, and the third hook block in sequence, and then binds downward on the steel member to be installed. one side of the member;

Step S3, on the other side of the steel component to be installed, use the same method as steps S1 and S2 to set the lifting point and the traction rope of the hoist;

Step S4, control the two hoists to slowly retract the traction rope at the same speed at the same time, observe and adjust the binding position of the traction rope on the steel member to be installed so that the center of gravity is stable;

Step S5, lifting the steel member to be installed to the installation height, and fixing it by spot welding.

In this embodiment, in the step S1, the setting step of the fixing point of the first hook block includes:

Step S11, welding a circle of channel steel close to the supporting plate of the steel structure column foot as a hoop;

Step S12, welding a small hanging plate on the hoop, and opening a hole in the middle of the hanging plate;

Step S13 , the horseshoe buckle passes through the through hole as a fixing point of the first hook block.

In this embodiment, the method for setting the fixing point of the second or third hook block on the main crossbeam includes binding the main crossbeam with a wire rope for one turn, and hanging the hook block on the bottom of the wire rope.

Referring to FIG. 2 , in this embodiment, a steel component hoisting device is used to realize the above-mentioned hoisting method. The device includes: two winches 1, steel structure columns 2, steel structure main beams 3, channel steel hoops 4, hanging plates 5, 6 hook blocks, and wire ropes 7;

The channel steel hoop 4 is set close to the supporting plate of the column foot of the steel structure column; the hanging plate 5 is welded to the channel steel hoop 4; the middle part of the hanging plate 5 has a hole; the first hook block 61 is fixed on the said through hole;

Above the fixed point of the first hook block, the fixed point of the second hook block 62 is arranged on the main beam nearby; the third hook block 63 is provided directly above the side of the steel member to be installed and on the main beam. the fixed point;

The other side of the steel member to be installed is symmetrically provided with channel steel hoops and three hook blocks;

The wire ropes of the two winches pass through the first hook block 61, the second hook block 62, and the third hook block 63 respectively successively, and then are bound downwards on both sides of the steel member to be installed.

In this embodiment, the channel steel hoop is made of 10# channel steel. The hanging plate is a cut section of 10# channel steel, and the diameter of the through hole is about 20mm. The horseshoe buckle 51 passes through the through hole and is used for fixing the first hook block 61 . The corners of the steel members bound by steel wire ropes are protected with corner protectors (8).

Example 2

A hoisting method for hoisting steel components at dead corners of a crane, including steps similar to those in Embodiment 1. The difference from Embodiment 1 is that in this embodiment, the method for setting the fixing point of the second or third hook block on the main beam includes welding a ring on the main beam, and hanging the hook block on the ring bottom.

Similar to Embodiment 1, this embodiment adopts a steel member hoisting device to realize the above-mentioned hoisting method. The difference from Embodiment 1 is that the upper hanging plate of the channel steel hoop is a steel plate, and the diameter of the through hole is about 10 mm. The first hook block is fixed directly through the through hole or through a wire rope loop passing through the through hole.

To sum up, the present invention provides a hoisting method and a hoisting device for steel components to solve the problem that the crane cannot hoist the steel components at dead corners. The hoisting method includes the steps of setting a hoisting point, setting a traction rope of the hoist, hoisting two hoisting machines at the same time, and the like. The hoisting device includes a winch, a steel structure column, a main beam, a channel steel hoop, a hanging plate, a hook block and a steel wire rope. The channel steel hoop is set close to the supporting plate of the column foot of the steel structure column; the hanging plate is welded to the channel steel hoop; the first hook block is fixed to the hanging plate; the fixing point of the first hook block The fixing point of the second hook tackle is provided above and on the main beam; the fixing point of the third hook tackle is provided on the main beam just above the side of the steel member to be installed. The present invention utilizes the main beam of the existing steel structure for hoisting, and does not need to spend manpower and materials to set up the mast, which saves time and effort; the hoisting path is relatively concealed and takes up less space; the device is easy to build and the construction cost is low.

Those skilled in the art should understand that those skilled in the art can implement variations by combining the existing technology and the foregoing embodiments, and details are not described here. Such variations do not affect the essence of the present invention, and will not be repeated here.

The preferred embodiments of the present invention have been described above. It should be understood that the present invention is not limited to the specific embodiments described above, and the devices and structures that are not described in detail should be understood to be implemented in a common manner in the art; Under the circumstances of the technical solution of the invention, many possible changes and modifications can be made to the technical solution of the present invention by using the methods and technical contents disclosed above, or be modified into equivalent embodiments with equivalent changes, which does not affect the essence of the present invention . Therefore, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention, which do not deviate from the technical solution of the present invention, still fall within the protection scope of the technical solution of the present invention.

Claims (10)

1. A hoisting method for a steel component, comprising the following steps: Step S1, set the lifting point on one side of the steel member to be installed: set the fixed point of the first hook block close to the foot of the steel structure column; set the second hanging block above the fixed point of the first hook block and on the main beam nearby The fixed point of the hook block; the fixed point of the third hook block is set directly above the side of the steel member to be installed and on the main beam; Step S2, set the traction rope of the hoist on one side of the steel member to be installed: the traction rope of the hoist passes through the first hook block, the second hook block, and the third hook block in sequence, and then binds downward on the steel member to be installed. one side of the member; Step S3, on the other side of the steel component to be installed, use the same method as steps S1 and S2 to set the lifting point and the traction rope of the hoist; Step S4, control the two hoists to slowly retract the traction rope at the same speed at the same time, observe and adjust the binding position of the traction rope on the steel member to be installed so that the center of gravity is stable; Step S5, lifting the steel member to be installed to the installation height, and fixing it by spot welding. 2. The hoisting method of a steel member according to claim 1, characterized in that, in the step S1, the setting step of the fixing point of the first hook block comprises: Step S11, welding a circle of channel steel close to the supporting plate of the steel structure column foot as a hoop; Step S12, welding a small hanging plate on the hoop, and opening a hole in the middle of the hanging plate; Step S13 , the horseshoe buckle passes through the through hole as a fixing point of the first hook block. 3. The hoisting method of a kind of steel member according to claim 1, characterized in that, the method for setting the fixed point of the second or third hook block on the main beam comprises using a steel wire rope to bind the main beam for one turn, And hang the hook block on the bottom of the wire rope. 4. The hoisting method of a kind of steel member according to claim 1, characterized in that, the method for arranging the fixing point of the second or third hook tackle on the main beam comprises welding a lifting ring on the main beam, And hang the hook block on the bottom of the ring. 5. A hoisting device for a steel component, characterized in that it is used to implement the hoisting method for the steel component described in any one of claims 2 to 4, comprising: two winches (1), steel structure columns (2), Steel structure main beam (3), channel steel hoop (4), hanging plate (5), 6 hook blocks, wire rope (7); The channel steel hoop (4) is arranged close to the supporting plate of the column foot of the steel structure column; the hanging plate (5) is welded to the channel steel hoop (4); the middle part of the hanging plate (5) has a through hole; The first hook block (61) is fixed in the through hole; Above the fixed point of the first hook block, a fixed point of the second hook block (62) is provided on the main beam nearby; a third hook is provided on the main beam directly above the side of the steel member to be installed. fixed point of tackle (63); The other side of the steel member to be installed is symmetrically provided with channel steel hoops and three hook blocks; The wire ropes of two winches pass through the first hook block (61), the second hook block (62), and the third hook block (63) respectively successively, and then are bound downwards on both sides of the steel member to be installed. 6. A hoisting device for a steel member according to claim 5, wherein the channel steel hoop is made of 10# channel steel. 7. A hoisting device for a steel member according to claim 5 or 6, characterized in that the hanging plate is a channel steel or a steel plate. 8 . The hoisting device for steel members according to claim 7 , wherein the hanging plate is a 10# channel steel section, and the diameter of the through hole is 10 to 30 mm. 9. A hoisting device for a steel member according to claim 5, characterized in that a horseshoe buckle (51) passes through the through hole for fixing the first hook block (61). 10. A hoisting device for steel components according to claim 5, characterized in that the corners of the steel components bound by steel wire ropes are protected by corner guards (8).

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