CN116201370A - High-altitude construction structure of complex steel structure and construction method thereof - Google Patents

Abstract

The invention relates to a complex steel structure high-altitude construction structure and its construction method, comprising a traction mechanism arranged on the top of the roof frame, a steel structure and a connecting frame fixedly connected to the inner wall of the top of the roof frame, the fixed plate in the traction mechanism is fixedly connected to the roof frame The upper surface of the fixed plate is fixedly connected with the hoist and the fixed pulley, and the upper surface of the fixed plate is also provided with an anti-slip component for preventing the output rope of the hoist from breaking and sliding; the top of the first lifting ring on the top of the steel structure is fixedly connected with a connecting buckle , the top of the connecting buckle is fixedly connected with an auxiliary lifting rope, the circumference of the top of the steel structure is fixedly connected with a second lifting ring for fixing the steel structure, and a balance steel wire is fixedly connected between the second lifting ring and the connecting buckle. The first steel wire rope used for hoisting the steel structure is fixedly connected to the top; it solves the problem in the prior art that the steel structure shakes during the high-altitude hoisting process and is prone to danger; when the hoisting is in place and connected, it cannot be adjusted due to installation errors.

Description

A complex steel structure high-altitude construction structure and its construction method

technical field

The invention belongs to the technical field of building construction, and relates to a complex steel structure high-altitude construction structure and a construction method thereof.

Background technique

In construction engineering, steel structures are suitable for various shapes of buildings. During the construction process, all kinds of high-altitude construction operations cannot be avoided. For complex steel structures, the main high-altitude construction methods include high-altitude bulk assembly, overall lifting, and overall sliding. As a kind of overall lifting, the high-altitude traction construction of complex steel structures is especially suitable for the construction of various complex and long-span roofs because of its convenient construction. Among all kinds of structural roofs, in order to create complex architectural artistic shapes, the roof structures of various complex and large public buildings often use steel structures, but during the construction of steel structures, some components that are inconvenient to install need to be assembled on the ground , and then carry out elevated installation. At this time, a complex steel structure high-altitude construction structure is required to complete this work, but the existing hoisting methods still have the following problems:

1. High-altitude traction steel structures, especially in oblique traction construction, need to move vertically and horizontally at the same time. Traditionally, when hoisting directly by large cranes, it is difficult to achieve multi-machine highly coordinated operations, and the steel structure is prone to shaking during the process;

2. After the steel structure is hoisted in place at high altitude, it is often impossible to connect accurately due to construction errors (hoisting steel structure and surrounding reserved structures).

In view of the above problems, the document of the present invention proposes a complex steel structure high-altitude construction structure and its construction method.

Contents of the invention

In view of this, in order to solve the problems in the prior art that the high-altitude steel structure is easily shaken and dangerous; when the high-altitude steel structure is hoisted and connected in place, it cannot be adjusted due to installation errors, and provides a complex steel structure high-altitude Construction structures and their construction methods.

To achieve the above object, the present invention provides the following technical solutions:

A complex steel structure high-altitude construction structure, including multiple traction mechanisms arranged on the top of the roof frame, the steel structure to be hoisted and a connecting frame fixedly connected to the inner wall of the top of the roof frame, the traction mechanism includes a fixed plate, and the fixed plate is fixedly connected to the On the top of the roof frame, the upper surface of the fixed plate is fixedly connected with the hoist and the fixed pulley, and the upper surface of the fixed plate is also provided with an anti-slip component to prevent the output rope of the hoist from breaking and sliding;

The top of the steel structure is fixedly connected with a first lifting ring, the top of the first lifting ring is fixedly connected with a connecting buckle, the top of the connecting buckle is fixedly connected with an auxiliary lifting rope, and the circumference of the top of the steel structure is fixedly connected with a second ring for fixing the steel structure. There is a balance steel wire fixedly connected between the second lifting ring and the connecting buckle, and the first steel wire rope for hoisting the steel structure is fixedly connected to the top of the second lifting ring. Connection mechanism for adjustment of steel structure;

The installation platform is set on the construction surface to support the assembly of the steel structure.

Further, the connecting mechanism includes a first adjusting disc and a second adjusting disc, the top of the first adjusting disc is fixedly connected with a connecting plate, the connecting plate is fixed to one end of the output rope of the winch, and the second adjusting disc is fixed to one end of the first wire rope , an electric push rod is detachably fixed between the first adjusting disc and the second adjusting disc, and a plurality of through fixed threaded columns are inserted between the first adjusting disc and the second adjusting disc, and the circumferences of the fixed threaded columns are all threaded. There are first nuts.

Further, movable threaded posts are movably connected between the circumferences of the first adjusting disc and the second adjusting disc, and second nuts are threadedly connected to the circumferences of the movable threaded posts.

Further, the circumferential fixing sleeves of the fixed threaded post and the movable threaded post are provided with hoops.

Further, the installation platform includes a base plate, the upper surface of the base plate is fixedly connected with a set of first guide rails, the top of the first guide rails is slidably connected with a first slide plate, and the upper surface of the first slide plate is fixedly connected with a set of second guide rails, and the top of the second guide rails A second sliding plate is slidably connected, and the first guide rail and the second guide rail are arranged vertically.

Further, the upper surface of the bottom plate is fixedly connected with the first cylinder, one end of the piston rod of the first cylinder is fixed with the first slide plate, the upper surface of the first slide plate is fixedly connected with the second cylinder, and one end of the piston rod of the second cylinder is connected with the second cylinder. The skateboard is fixed.

Further, the anti-slip assembly includes a fixed seat, the fixed seat is fixedly connected to the upper surface of the fixed plate, the inner walls on both sides of the fixed seat are rotatably connected with installation shafts, and the circumference of the installation shaft is rotatably connected with a rotating plate, and the opposite side of the rotating plate A plurality of wedge-shaped blocks are fixedly connected, and a torsion spring is sheathed on the circumference of the installation shaft, and the two ends of the torsion spring are respectively fixed with the installation shaft and the fixing seat.

A construction method for a complex steel structure high-altitude construction structure, comprising the following steps:

S1: Assemble the steel structure on the installation platform. When assembling, place the parts of the steel structure on the surface of the second slide for assembly. After the assembly is completed, prepare for hoisting. Measure its position before hoisting. When the steel structure is When the position deviates, start the first cylinder, the first cylinder drives the first slide to move in one direction, thereby changing the position of the steel structure in one direction, start the second cylinder, and the second cylinder drives the second slide to move, thereby changing the steel structure The position in the other direction is convenient for hoisting;

S2: When hoisting, use an external crane to assist the hoisting of the steel structure through the auxiliary sling to maintain the safety of the hoisting of the steel structure, then fix the output end of the hoist with the connecting plate, and then fix it with the first steel wire and the second hoisting ring , start the hoist, and use multiple hoists to lift the steel structure, so that the connecting plate moves into the connecting frame, and the steel structure is fixed through the connecting frame;

S3: When there is a position difference between the connecting frame and the connecting plate, adjust the angle of the steel structure by starting different hoists, so as to facilitate the fixing between the connecting frame and the connecting plate;

S4: After the installation is completed, when it is necessary to fine-tune the angle of the steel structure, start the electric push rod, then adjust the first nut according to the demand, so as to change the angle of the steel structure, then remove the electric push rod, and then adjust the movable threaded column Install, and finally fix the fixed threaded column and the movable threaded column through the hoop;

S5: When the output rope of the hoist is broken during hoisting, use the wedge-shaped block on the rotating plate to restrict the output rope on the hoist to prevent it from falling off. When the lower part of the output rope of the hoist breaks, the crane passes through the auxiliary rope and the connecting buckle. And the balance steel wire keeps the steel structure stable and prevents large shaking from causing danger.

The beneficial effects of the present invention are:

1. In the complex steel structure high-altitude construction structure disclosed in the present invention, by installing multiple traction mechanisms on the roof frame, the use of multiple traction mechanisms and cranes can be used to adjust the angle of the steel structure, which is convenient for its Install it to improve the safety of traction and prevent shaking during traction.

2. The complex steel structure high-altitude construction structure disclosed in the present invention uses the first cylinder and the second cylinder to start the first slide plate and the second slide plate to move through the setting of the installation platform, so that after the installation of the steel structure is completed, it can pass Start the first cylinder and the second cylinder to adjust the position of the steel structure, facilitate the pulling of the steel structure, and prevent the steel structure from moving at the initial stage of traction.

3. In the complex steel structure high-altitude construction structure disclosed in the present invention, by installing the anti-slip component on the fixed plate, when the output rope of the hoist breaks, the rotating plate can output it through the wedge-shaped block under the action of the torsion spring. The rope is clamped to prevent the traction rope from detaching, further improving the stability of the steel structure traction.

4. In the complex steel structure high-altitude construction structure disclosed in the present invention, the distance between the first adjustment dial and the second adjustment dial can be adjusted, so that the distance between the first adjustment dial and the second adjustment dial can be adjusted. After the distance, the position between the first adjusting disc and the second adjusting disc can be fixed by using the fixed threaded column and the movable threaded column, so as to complete the fine adjustment of the angle of the steel structure and improve the accuracy of the installation of the steel structure.

5. The complex steel structure high-altitude construction structure disclosed in the present invention can adjust the angle of the steel structure, facilitate its installation, improve the safety of traction, prevent shaking during traction, and at the same time adjust the initial position of the steel structure. Adjustment facilitates the pulling of the steel structure, prevents the steel structure from moving at the initial stage of pulling, and can also fine-tune the angle of the steel structure to improve the accuracy of the steel structure installation.

Other advantages, objects and features of the present invention will be set forth in the following description to some extent, and to some extent, will be obvious to those skilled in the art based on the investigation and research below, or can be obtained from It is taught in the practice of the present invention. The objects and other advantages of the invention may be realized and attained by the following specification.

Description of drawings

In order to make the purpose of the present invention, technical solutions and advantages clearer, the present invention will be described in detail below in conjunction with the accompanying drawings, wherein:

Fig. 1 is a three-dimensional structural schematic diagram of a complex steel structure high-altitude construction structure provided by an embodiment of the present invention;

Fig. 2 is a schematic structural diagram of the traction mechanism of a complex steel structure high-altitude construction structure provided by the embodiment of the present invention;

Fig. 3 is a structural schematic diagram of a connection mechanism of a complex steel structure high-altitude construction structure provided by an embodiment of the present invention;

Fig. 4 is a schematic diagram of a steel structure installation structure of a complex steel structure high-altitude construction structure provided by an embodiment of the present invention;

Fig. 5 is a structural schematic diagram of an installation platform of a complex steel structure high-altitude construction structure provided by an embodiment of the present invention;

Fig. 6 is a schematic cross-sectional structure diagram of an anti-slip component of a complex steel structure high-altitude construction structure provided by an embodiment of the present invention.

Reference signs: 1, roof frame; 2, steel structure; 3, installation platform; 4, traction mechanism; 5, fixed plate; 6, winch; 7, anti-slip component; 8, fixed pulley; 9, connecting frame; , connecting plate; 11, the first adjusting plate; 12, electric push rod; 13, the second adjusting plate; 14, the first steel wire; 15, fixed thread column; 16, hoop; 17, movable thread column; 18, auxiliary Suspension rope; 19, connecting buckle; 20, first ring; 21, balance steel wire; 22, second ring; 23, bottom plate; 24, first guide rail; 25, first slide plate; 26, first cylinder; 27, the first Two guide rails; 28, the second slide plate; 29, the second cylinder; 30, the fixed seat; 31, the installation shaft; 32, the rotating plate; 33, the wedge block; 34, the torsion spring.

Detailed ways

Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic concept of the present invention, and the following embodiments and the features in the embodiments can be combined with each other in the case of no conflict.

Wherein, the accompanying drawings are for illustrative purposes only, and represent only schematic diagrams, rather than physical drawings, and should not be construed as limiting the present invention; in order to better illustrate the embodiments of the present invention, some parts of the accompanying drawings may be omitted, Enlargement or reduction does not represent the size of the actual product; for those skilled in the art, it is understandable that certain known structures and their descriptions in the drawings may be omitted.

In the drawings of the embodiments of the present invention, the same or similar symbols correspond to the same or similar components; , "front", "rear" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred devices or elements must It has a specific orientation, is constructed and operated in a specific orientation, so the terms describing the positional relationship in the drawings are for illustrative purposes only, and should not be construed as limiting the present invention. For those of ordinary skill in the art, the understanding of the specific meaning of the above terms.

A complex steel structure high-altitude construction structure as shown in Figures 1 to 6, including four traction mechanisms 4 arranged on the top of the roof frame 1, a steel structure 2 to be hoisted and a connecting frame fixedly connected to the inner wall of the top of the roof frame 1 9. The four traction mechanisms 4 are 90° to each other, and the connecting frame 9 is in the shape of a disc used in conjunction with the steel structure 2. The steel structure 9 can be spherical or other shapes such as a cube, a cuboid, etc., and the connecting frame 9 can be matched therewith.

The traction mechanism 4 includes a fixed plate 5, which is fixedly connected to the top of the roof frame 1, and the upper surface of the fixed plate 5 is fixedly connected with a winch 6 and a fixed pulley 8, and the fixed pulley 8 guides the output rope on the winch 6 The upper surface of the fixed plate 5 is also provided with an anti-slip assembly 7 for preventing the output rope of the winch 6 from breaking and sliding;

With reference to Fig. 6, anti-slip assembly 7 comprises fixed base 30, and fixed base 30 is fixedly connected on the upper surface of fixed plate 5, and the inner wall of both sides of fixed base 30 is all rotatably connected with mounting shaft 31, and the circumference of mounting shaft 31 is all rotatably connected with Rotating plate 32, the opposite side of rotating plate 32 is all fixedly connected with a plurality of wedge-shaped blocks 33, and the circumference of mounting shaft 31 is all sleeved with torsion spring 34, and the two ends of torsion spring 34 are respectively connected with mounting shaft 31 and fixed base 30. Fixed, when the hoist 6 output rope breaks during the hoisting process of the hoist 6, utilize the wedge block 33 on the rotating plate 32 to limit the output rope on the hoist 6 to prevent it from coming off.

The top of the steel structure 2 is fixedly connected with a first suspension ring 20, the top of the first suspension ring 20 is fixedly connected with a connecting buckle 19, the top of the connecting buckle 19 is fixedly connected with an auxiliary lifting rope 18, and the circumference of the top of the steel structure 2 is fixedly connected with a pair of steel rings. The second suspension ring 22 for fixing the structure 2, the balance steel wire 21 is fixedly connected between the second suspension ring 22 and the connecting buckle 19, and the first steel wire rope for hoisting the steel structure 2 is fixedly connected to the top of the second suspension ring 22 14. A connection mechanism for adjusting the steel structure 2 is provided between the first steel wire rope 14 and the output rope of the winch 6, and the steel structure 2 is hoisted by an external crane through the auxiliary lifting rope 18 to maintain the hoisting position of the steel structure 2. Safety. At the same time, multiple hoists 6 are used to lift the steel structure 2, thereby improving the safety of traction and preventing shaking during traction;

With reference to Fig. 3, connecting mechanism comprises first adjusting disc 11 and second adjusting disc 13, and the top of first adjusting disc 11 is fixedly connected with connecting plate 10, and connecting plate 10 is fixed with one end of winch 6 output ropes, and the second adjusting disc 13 is fixed to one end of the first steel wire rope 14, and an electric push rod 12 is detachably fixed between the first adjusting disc 11 and the second adjusting disc 13, and there are multiple plugs between the first adjusting disc 11 and the second adjusting disc 13 A through fixed thread column 15, the circumference of the fixed thread column 15 is threadedly connected with the first nut, the circumference of the first adjusting disc 11 and the second adjusting disc 13 are movably connected with the movable thread column 17, the movable thread column 17 Connect the second nut with uniform threads on the circumference, start the electric push rod 12, then adjust the first nut according to the demand, thereby changing the angle of the steel structure 2, then remove the electric push rod 12, and then install the movable threaded column 17, and finally The fixed threaded column 15 and the movable threaded column 17 can be fixed by the hoop 16, and the circumferential fixing sleeve of the fixed threaded column 15 and the movable threaded column 17 is provided with a hoop 16, and the stability of the movable threaded column 17 is improved by the hoop 16 .

The installation platform 3 is arranged on the construction surface for supporting the assembly of the steel structure 2 . 5, the installation platform 3 includes a base plate 23, the upper surface of the base plate 23 is fixedly connected with a set of first guide rails 24, the top of the first guide rail 24 is slidably connected with a first slide plate 25, and the upper surface of the first slide plate 25 is fixedly connected with a set of The second guide rail 27, the top of the second guide rail 27 is slidingly connected with the second slide plate 28, the first guide rail 24 and the second guide rail 27 are vertically arranged, the upper surface of the base plate 23 is fixedly connected with the first cylinder 26, and the first cylinder 26 piston rod One end of the first slide plate 25 is fixed, the upper surface of the first slide plate 25 is fixedly connected with the second cylinder 29, and one end of the piston rod of the second cylinder 29 is fixed with the second slide plate 28, through the first cylinder 26 and the second cylinder 29. Adjust the positions of the first slide plate 25 and the second slide plate 28, thereby changing the initial position of the steel structure 2 and preventing movement during traction.

The present invention also proposes a construction method for a complex steel structure high-altitude construction structure, comprising the following steps:

S1: Assemble the steel structure 2 on the installation platform 3. During assembly, place the components of the steel structure 2 on the surface of the second slide 28 for assembly. After the assembly is completed, prepare to hoist it, and measure its position before hoisting. When the position of the steel structure 2 deviates, the first cylinder 26 is activated, and the first cylinder 26 drives the first slide plate 25 to move in one direction, thereby changing the position of the steel structure 2 in one direction, and the second cylinder 29 is activated. 29 drives the second slide plate 28 to move, thereby changing the position of the steel structure 2 in the other direction to facilitate hoisting;

S2: During hoisting, use an external crane to assist the hoisting of the steel structure 2 through the auxiliary sling 18 to maintain the safety of the hoisting of the steel structure 2, then fix the output end of the hoist 6 with the connecting plate 10, and then use the first steel wire 14 Fix with the second suspension ring 22, start the winch 6, and use a plurality of winches 6 to lift the steel structure 2, so that the connecting plate 10 moves into the connecting frame 9, and the steel structure 2 is fixed through the connecting frame 9;

S3: When there is a position difference between the connecting frame 9 and the connecting plate 10, the angle of the steel structure 2 is adjusted by starting different hoists 6, so as to facilitate fixing between the connecting frame 9 and the connecting plate 10;

S4: After the installation is completed, when it is necessary to fine-tune the angle of the steel structure 2, start the electric push rod 12, and then adjust the first nut according to the demand, thereby changing the angle of the steel structure 2, then remove the electric push rod 12, and then The movable threaded column 17 is installed, and finally the fixed threaded column 15 and the movable threaded column 17 are fixed by the hoop 16;

S5: When the output rope of the hoist 6 breaks during the hoisting process of the hoist 6, use the wedge-shaped block 33 on the rotating plate 32 to restrict the output rope on the hoist 6 to prevent it from falling off, and when the lower part of the output rope of the hoist 6 breaks, the crane passes Auxiliary sling 18, connecting buckle 19 and balance steel wire 21 keep the stability of steel structure 2, prevent the occurrence of bigger shaking and cause danger.

However, as well known to those skilled in the art, the working principle and wiring method of the winch 6 are commonplace, and they all belong to conventional means or common knowledge, so they will not be described in detail here, and those skilled in the art can perform according to their needs or convenience. Optional.

Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present invention without limitation. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be carried out Modifications or equivalent replacements, without departing from the spirit and scope of the technical solution, should be included in the scope of the claims of the present invention.

Claims (8)

1. A complex steel structure high-altitude construction structure is characterized in that it comprises a plurality of traction mechanisms (4) arranged on the top of the roof frame (1), a steel structure (2) that needs to be hoisted and fixedly connected to the roof frame (1) ) the connecting frame (9) of the top inner wall, the traction mechanism (4) includes a fixed plate (5) fixedly connected to the top of the roof frame (1), and the upper surface of the fixed plate (5) is fixedly connected with a hoist (6 ) and a fixed pulley (8), the upper surface of the fixed plate (5) is also provided with an anti-slip assembly (7) to prevent the output rope of the hoist (6) from breaking and sliding; The top of the steel structure (2) is fixedly connected with a first suspension ring (20), the top of the first suspension ring (20) is fixedly connected with a connecting buckle (19), and the top of the connecting buckle (19) is fixedly connected with an auxiliary lifting rope ( 18), the circumference of the top of the steel structure (2) is fixedly connected with a second suspension ring (22) for fixing the steel structure (2), and the connection between the second suspension ring (22) and the connecting buckle (19) is fixed. Fixedly connected with a balance steel wire (21), the top of the second suspension ring (22) is fixedly connected with the first steel wire rope (14) that the steel structure (2) is hoisted, and the first steel wire rope (14) is connected with the winch ( 6) A connection mechanism for adjusting the steel structure (2) is provided between the output ropes; A platform (3) is installed, and the installation platform (3) is arranged on the construction surface to support the assembly of the steel structure (2). 2. A kind of complex steel structure high-altitude construction structure according to claim 1, characterized in that, the connecting mechanism comprises a first adjusting dial (11) and a second adjusting dial (13), and the first adjusting dial ( The top of 11) is fixedly connected with a connecting plate (10), the connecting plate (10) is fixed to one end of the output rope of the hoist (6), and the second adjusting disc (13) is fixed to one end of the first steel wire rope (14) , an electric push rod (12) is detachably fixed between the first adjusting disc (11) and the second adjusting disc (13), between the first adjusting disc (11) and the second adjusting disc (13) A plurality of penetrating fixed thread columns (15) are plugged in, and the circumferences of the fixed thread columns (15) are threaded with first nuts. 3. A complex steel structure high-altitude construction structure according to claim 2, characterized in that, movable threaded columns are movably connected between the circumferences of the first adjusting disc (11) and the second adjusting disc (13) (17), the circumference of movable threaded column (17) is all threaded with the second nut. 4. A complex steel structure high-altitude construction structure according to claim 3, characterized in that, the circumferential fixing sleeves of the fixed threaded column (15) and the movable threaded column (17) are provided with hoops (16). 5. A kind of complex steel structure high-altitude construction structure according to claim 1, is characterized in that, described installation platform (3) comprises base plate (23), and the upper surface of base plate (23) is fixedly connected with a group of first guide rails ( 24), the top of the first guide rail (24) is slidably connected with a first slide plate (25), the upper surface of the first slide plate (25) is fixedly connected with a group of second guide rails (27), and the top of the second guide rail (27) slides A second slide plate (28) is connected, and the first guide rail (24) and the second guide rail (27) are arranged vertically. 6. A kind of complex steel structure high-altitude construction structure according to claim 5, characterized in that, the upper surface of the base plate (23) is fixedly connected with the first cylinder (26), the first cylinder (26) piston rod One end is fixed with the first slide plate (25), the upper surface of the first slide plate (25) is fixedly connected with the second cylinder (29), and one end of the piston rod of the second cylinder (29) is connected with the second slide plate (28). fixed. 7. A kind of complex steel structure high-altitude construction structure according to claim 1, characterized in that, the anti-slip assembly (7) includes a fixed seat (30), and the fixed seat (30) is fixedly connected to the fixed plate ( 5) on the upper surface, the inner walls on both sides of the fixed seat (30) are rotatably connected with mounting shafts (31), and the circumference of the mounting shafts (31) are rotatably connected with rotating plates (32), and the rotating plates (32) are relatively One side of each side is fixedly connected with a plurality of wedge blocks (33), and the circumference of the installation shaft (31) is equipped with a torsion spring (34), and the two ends of the torsion spring (34) are respectively connected with the installation shaft (31) and The fixed seat (30) is fixed. 8. The construction method of a complex steel structure high-altitude construction structure according to any one of claims 1-7, characterized in that, comprising the following steps: S1: Assemble the steel structure (2) on the installation platform (3). When assembling, place the parts of the steel structure (2) on the surface of the second slide (28) for assembly. After the assembly is completed, prepare to Hoisting, measure its position before hoisting, when the position of the steel structure (2) deviates, start the first cylinder (26), the first cylinder (26) drives the first slide plate (25) to move in one direction, thereby changing the steel structure (2) The position of the structure (2) in one direction activates the second cylinder (29), and the second cylinder (29) drives the second slide plate (28) to move, thereby changing the position of the steel structure (2) in the other direction to facilitate hoisting; S2: During hoisting, use an external crane to carry out auxiliary hoisting on the steel structure (2) through the auxiliary sling (18) to keep the safety of the hoisting of the steel structure (2), and then connect the output end of the hoist (6) to the connecting plate (10 ) is fixed, and then the first steel wire (14) and the second suspension ring (22) are used to fix, the hoist (6) is started, and the steel structure (2) is promoted by using a plurality of hoisting machines (6), so that the connecting plate (10 ) is moved into the connecting frame (9), and the steel structure (2) is fixed by the connecting frame (9); S3: When there is a position difference between the connecting frame (9) and the connecting plate (10), the angle of the steel structure (2) is adjusted by starting different hoists (6), so that the connecting frame (9) and the connecting plate are conveniently (10) between fixed; S4: After the installation is completed, when the angle of the steel structure (2) needs to be fine-tuned, start the electric push rod (12), and then adjust the first nut according to the demand, thereby changing the angle of the steel structure (2), and then remove it The electric push rod (12) is installed to the movable threaded post (17), and finally the fixed threaded post (15) and the movable threaded post (17) are fixed by the hoop (16); S5: When the output rope of the hoist (6) breaks during hoisting of the hoist (6), use the wedge-shaped block (33) on the rotating plate (32) to restrict the output rope on the hoist (6) to prevent it from falling off. (6) When the lower part of the output rope breaks, the crane maintains the stability of the steel structure (2) through the auxiliary lifting rope (18), connecting buckle (19) and balance steel wire (21) to prevent large shaking from causing danger.

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