CN115788062B - Steel mesh frame deflection integral synchronous lifting installation method and device - Google Patents
Steel mesh frame deflection integral synchronous lifting installation method and device Download PDFInfo
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- CN115788062B CN115788062B CN202211471745.7A CN202211471745A CN115788062B CN 115788062 B CN115788062 B CN 115788062B CN 202211471745 A CN202211471745 A CN 202211471745A CN 115788062 B CN115788062 B CN 115788062B
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000001360 synchronised effect Effects 0.000 title claims description 11
- 230000001681 protective effect Effects 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 9
- 238000012360 testing method Methods 0.000 claims description 4
- 238000005457 optimization Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 6
- 208000010392 Bone Fractures Diseases 0.000 description 3
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- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
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- 230000001502 supplementing effect Effects 0.000 description 1
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Abstract
The invention relates to the technical field of grid installation, and particularly discloses a method and a device for integrally and synchronously lifting and installing a steel grid frame in a deviation manner, wherein the method comprises the following steps of: starting a lifting frame to lift the net rack lifting unit, and checking a lifting system and a lifting inhaul cable; lifting the net rack by 1m by the lifting frame, and checking whether the net rack ascends synchronously; the lifting frame slowly lifts the net frame, after the net frame is lifted to 500mm at the top of the steel column, an electric hoist is arranged at the upper end of part of the steel column, a lifting hook device of the electric hoist is connected with a lower chord node of the net frame, and the net frame and a net frame support are synchronously lowered to the top of the steel column through the lifting frame; the net rack and the net rack support are positioned right above the steel column, the net rack support is welded at the top of the steel column, the lifting frame is removed, the rod piece is completed, and lifting is completed. According to the invention, the net rack ground is assembled in an offset manner, a small amount of lifting frames are arranged, the traction hoist and the rigging are horizontally moved to be in position, and then the rod is repaired, so that the measure cost can be effectively reduced and the installation efficiency can be improved.
Description
Technical Field
The invention relates to a synchronous lifting installation method, in particular to a steel mesh frame deviation integral synchronous lifting installation method and device, and belongs to the technical field of mesh frame installation.
Background
The steel net frame is a space structure formed by connecting a plurality of steel members in a certain net frame mode through nodes. The steel net frame has the advantages of large space stress, light weight, high rigidity, good earthquake resistance and the like; can be used as a roof of gymnasium, theatre, exhibition hall, waiting hall, stadium stand canopy, hangar, two-way large column net structure and workshop.
After the steel net frame is assembled, when the steel net frame needs to be lifted, the normal practice is to adopt in-situ lifting, namely the net frame is assembled on the ground, meanwhile, the net frame is installed behind a rod piece at the supporting seat position of the net frame, and the net frame is integrally lifted to a design position by utilizing a structural column or setting an independent lifting frame. And then the rod piece which is withdrawn is fully supplemented, and the lifting facility is removed. The method requires more post-repair members, has potential safety hazards in high-altitude operation and has lower construction efficiency.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a method for integrally and synchronously lifting and installing a steel mesh frame in a deflection way.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the installation method for the steel mesh frame deflection integral synchronous lifting comprises the following steps:
Step one: the steel column is installed and fixed, and an independent lifting frame, a lifting inhaul cable and an electric hoist are arranged at the same time;
Step two: arranging a net rack lifting unit and a rear net rack supplementing unit, assembling the net rack lifting unit after the site is leveled, and simultaneously setting lifting points on the net rack to be lifted;
Step three: and (3) performing test hoisting: starting the lifting frame to lift the net rack lifting unit, suspending lifting after the net rack is lifted to 500-1000 mm, and checking the lifting system and the lifting inhaul cable;
step four: after the lifting system and the lifting inhaul cable are checked, the formal lifting is carried out: opening a lifting frame to lift the net rack for 1m, and checking whether the net rack ascends synchronously;
step five: after the net rack is synchronously lifted, lifting the net rack at a constant speed, and stopping lifting after the net rack is lifted to 500mm at the top of the steel column;
Step six: an electric hoist is arranged at the upper end of the steel column, a lifting hook device of the electric hoist is connected with a lower chord node of the net rack, the electric hoist drives the net rack to move towards the direction of the net rack support until the net rack support is positioned right above the steel column, and the net rack support are synchronously lowered to the top of the steel column through a lifting frame;
step seven: the net rack and the net rack support are positioned right above the steel column, the net rack support is welded at the top of the steel column, the lifting frame is removed, the rod piece at the position of the lifting frame is complemented, and lifting is completed.
The utility model provides a whole synchronous hoisting installation device of steel mesh frame off normal, the device is applied to the electric block in the aforesaid, and the device includes electric block and steel column, the electric block back is connected with the steel column through the installation mechanism that sets up, and the winding of electric block's reel outer wall has the stay cord, and the one end that electric block was kept away from to the stay cord is installed the lifting hook.
Optionally, the installation mechanism includes two movable plates, and first spout and second spout have been seted up respectively to the back and the top of electric block, and two movable plates can be in first spout and second spout round trip movement, and electric block is located and still has seted up two confession movable plate pivoted intercommunication grooves between first spout and the second spout both ends, and the inside of two movable plates is all movable mounting has the extension board.
Optionally, first driving motor is installed to one side outer wall of electric block, and the connecting plate is installed to first driving motor's output, and the second driving motor is installed to the one end that the connecting plate kept away from first driving motor, and second driving motor's output coaxial coupling has the double-end lead screw.
Optionally, sliding rods are mounted at the tops of the two moving plates, and one end, far away from the second driving motor, of the double-headed screw rod penetrates through the two sliding rods.
Optionally, two movable grooves are all seted up in the inside of movable plate, and two extension boards are respectively through the electronic slider round trip movement of outer wall installation in the movable groove, and the one end that two extension boards kept away from the movable plate all articulates there is the rotor plate.
Optionally, the outer wall of one side of the extension board is kept away from to two rotation boards is all seted up flutedly, and the gyro wheel is installed through the pivot rotation to the inside of two recesses.
Optionally, a plurality of outer walls of pivot all overlap and are equipped with the hasp, and fastening bolt is all threaded installation in a plurality of catches, installs the fixed band between the same hasp of two horizontal positions, and the go-between of being connected the adaptation with the hasp is installed to electric block's bottom.
Optionally, the fixing base is installed to one side outer wall of electric block, and the wind-up roll is installed in the inside rotation of fixing base, and the outer wall winding of wind-up roll has the protection film.
Optionally, the first magnetite is installed to the one end that the wind-up roll was kept away from to the protection film, and the one side outer wall that the protection film was kept away from to first magnetite installs the stretching strap, and electric block and fixing base are opposite one side outer wall install with first magnetite mutually magnetism inhale the second magnetite.
The beneficial effects of the invention are as follows:
1. according to the invention, the net rack ground is assembled in an offset manner, a small amount of lifting frames are arranged, the traction hoist and the rigging are horizontally moved to be in position, and then the rod is repaired, so that the measure cost can be effectively reduced and the installation efficiency can be improved.
2. According to the invention, the electric hoist can be mounted at the top of the steel column through the mounting mechanism, so that a worker does not need to spend more time mounting the electric hoist and subsequently dismantling the electric hoist, the overall mounting efficiency of the steel net frame is improved, and the working strength of the worker is reduced; and two movable plates of the installation mechanism can drive the two movable plates to rotate upwards through the first driving motor, and the two movable plates positioned at the top of the electric hoist can be suitable for being connected with a preset track indoors, so that the practicability of the installation mechanism is further improved.
3. According to the invention, the rollers arranged in the grooves on the outer walls of the two rotating plates can facilitate the electric hoist to move in the track when the electric hoist is matched with the indoor track, and after the electric hoist is used, the first driving motor drives the two rotating plates to rotate to the top of the electric hoist, and the electric hoist is integrally inverted, so that the rollers can drive the electric hoist to move quickly after being contacted with the ground, and the electric hoist can move conveniently.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a schematic view of a rack lift in accordance with the present invention;
FIG. 2 is a schematic view of the rack of the present invention moving along the X-axis;
FIG. 3 is a schematic view of the movement of the grid along the Y-axis direction in accordance with the present invention;
FIG. 4 is a schematic view of the completion of the installation of the steel column and the lifting frame according to the present invention;
FIG. 5 is a schematic diagram of a lift unit partition according to the present invention;
FIG. 6 is a schematic view of a grid lifting test crane according to the present invention;
FIG. 7 is a schematic view of the present invention with the net rack lifted to 500mm at the top of the column;
FIG. 8 is a schematic view showing the process of moving the net rack to the support in the present invention;
FIG. 9 is a schematic structural view of a steel mesh frame deflection integral synchronous lifting installation device in the invention;
FIG. 10 is a schematic view of the structure of two moving plates on top of the electric hoist according to the present invention;
FIG. 11 is a schematic view of the back of the electric block according to the present invention;
FIG. 12 is a schematic view of a mounting mechanism according to the present invention;
Fig. 13 is a schematic structural view of a fixing band in the present invention.
In the figure: 1. an electric hoist; 3. a pull rope; 4. a lifting hook; 5. a first driving motor; 6. a connecting plate; 7. a second driving motor; 8. a second magnet; 9. a fixing seat; 10. double-end screw rod; 11. a moving plate; 12. a wind-up roll; 13. a protective film; 14. a first magnet; 15. pulling a belt; 16. a first chute; 17. a communication groove; 18. an extension plate; 19. a fixing belt; 20. a connecting ring; 21. a second chute; 22. a movable groove; 23. an electric slide block; 24. a rotating plate; 25. a groove; 26. a roller; 27. locking; 28. a fastening bolt; 29. a steel column; 30. lifting the inhaul cable; 31. a lifting frame; 32. a net rack.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-13, a steel mesh frame offset integral synchronous lifting installation method comprises the following steps:
step one: the steel column 29 is installed and fixed, and an independent lifting frame 31, a lifting inhaul cable 30 and an electric hoist 1 are arranged at the same time;
Step two: arranging a net rack lifting unit and a post-compensating net rack unit, assembling the net rack lifting unit after the site is leveled, and simultaneously setting lifting points on the net rack 32 to be lifted;
Step three: and (3) performing test hoisting: starting the lifting frame 31 to lift the net rack lifting unit, suspending lifting after the net rack 32 is lifted to 500-1000 mm, and checking the lifting system and the lifting inhaul cable 30;
Step four: after the lifting system and the lifting cable 30 are checked for errors, the formal lifting is performed: opening the lifting frame 31 to lift the net rack 32 by 1m, and checking whether the net rack 32 is lifted synchronously;
Step five: after the net rack 32 is synchronously lifted, the net rack 32 is lifted at a constant speed, and lifting is stopped after the net rack 32 is lifted to 500mm at the top of the steel column 29;
Step six: an electric hoist 1 is arranged at the upper end of the steel column 29, a lifting hook device of the electric hoist 1 is connected with a lower chord node of the net rack 32, the electric hoist 1 drives the net rack 32 to move towards the direction of the net rack support until the net rack support is positioned right above the steel column 29, and the net rack 32 and the net rack support are synchronously lowered to the top of the steel column 29 through the lifting frame 31;
Step seven: the net rack 32 and the net rack support are positioned right above the steel column 29, the net rack support is welded at the top of the steel column 29, the lifting frame 31 is removed, the rod pieces at the position of the lifting frame 31 are complemented, and the lifting is completed.
The utility model provides a whole synchronous hoisting installation device of steel mesh frame off normal, the device is applied to electric block 1 among the above-mentioned, and the device includes electric block 1 and steel column 29, and electric block 1 back is connected with steel column 29 through the installation mechanism that sets up, and the winding drum outer wall winding of electric block 1 has stay cord 3, and the lifting hook 4 is installed to the one end that electric block 1 was kept away from to stay cord 3.
As a technical optimization scheme of the invention, the mounting mechanism comprises two movable plates 11, a first chute 16 and a second chute 21 are respectively arranged on the back and the top of the electric hoist 1, the two movable plates 11 can move back and forth in the first chute 16 and the second chute 21, two communicating grooves 17 for the movable plates 11 to rotate are also arranged between the two ends of the first chute 16 and the second chute 21 of the electric hoist 1, and extension plates 18 are movably arranged in the two movable plates 11.
As a technical optimization scheme of the invention, a first driving motor 5 is arranged on the outer wall of one side of the electric hoist 1, a connecting plate 6 is arranged at the output end of the first driving motor 5, a second driving motor 7 is arranged at one end, far away from the first driving motor 5, of the connecting plate 6, and a double-head screw rod 10 is coaxially connected with the output end of the second driving motor 7.
As a technical optimization scheme of the invention, sliding rods are arranged at the tops of the two moving plates 11, and one end of the double-headed screw rod 10, which is far away from the second driving motor 7, penetrates through the two sliding rods.
As a technical optimization scheme of the invention, movable grooves 22 are formed in the two movable plates 11, two extension plates 18 respectively move back and forth in the movable grooves 22 through electric sliding blocks 23 arranged on the outer walls, and one ends, far away from the movable plates 11, of the two extension plates 18 are hinged with rotating plates 24. In the process of lifting the steel mesh frame, a plurality of electric hoists 1 are required to be mounted at the tops of a plurality of steel columns 29, before the electric hoists 1 are mounted, two electric sliding blocks 23 can be used for respectively driving two extension plates 18 to extend out of a movable groove 22 until the extending lengths of the two extension plates 18 are matched with the lengths of the two moving plates 11 and the lengths of the outer walls of the steel columns 29, workers place the electric hoists 1 at the positions flush with the steel columns 29, the back surfaces of the electric hoists 1 are attached to one outer wall of one side of the steel columns 29, a second driving motor 7 is started to drive the double-end screw rods 10 to synchronously rotate, and then the two moving plates 11 can be driven by two sliding rods on the outer walls of the double-end screw rods 10 to move towards the direction close to each other in a first sliding groove 16 until the outer walls of one side of the two moving plates 11 are abutted against the outer walls of two sides of the steel columns 29, the two moving plates 11 are matched with each other to clamp and fix the electric hoists 1 on the surfaces of the steel columns 29, and the two extension plates 18 can be far away from the outer walls of one end of the moving plates 11 to the outer walls of the electric hoists 29, and the electric hoists 1 can not be matched with the two electric hoists 29, and the electric hoists 1 can not be mounted on the steel mesh frame or side-turned over position of the electric hoists 1 is improved.
As a technical optimization scheme of the invention, grooves 25 are formed in the outer walls of the two rotating plates 24 on the side far away from the extension plate 18, and rollers 26 are rotatably arranged in the two grooves 25 through rotating shafts. When the electric hoist 1 is used indoors, as the track for mounting and moving the electric hoist 1 is preset in the room, the communication groove 17 is formed between the first chute 16 and the second chute 21, so that when the two movable plates 11 are respectively positioned at two ends of the first chute 16, the first driving motor 5 can be started to drive the connecting plate 6, the second driving motor 7 and the two movable plates 11 to rotate upwards until the two movable plates 11 rotate to be in a state of being flush with the top of the electric hoist 1, the two movable plates 11 are just positioned in the second chute 21 at the moment, the second driving motor 7 can be started to drive the two movable plates 11 to move in the second chute 21 towards a direction of being close to each other until the space between the two movable plates 11 is matched with the width of the track, the rotating plates 24 positioned at one ends of the two extending plates 18 rotate towards the direction of being close to each other to be in a vertical state, at the moment, the rollers 26 in the two grooves 25 can be contacted with the outer walls of the track, and the driving equipment arranged inside the electric hoist 1 can drive the rollers 26 to rotate, so that the electric hoist 1 can be driven to move integrally in the track, and the electric hoist 1 can move indoors.
As a technical optimization scheme of the invention, the outer walls of the rotating shafts are sleeved with the lock catches 27, the inside of the lock catches 27 are provided with the fastening bolts 28 in a threaded manner, the fixing belt 19 is arranged between the lock catches 27 with the same horizontal position, and the bottom of the electric hoist 1 is provided with the connecting ring 20 which is connected and matched with the lock catches 27. The two fixing belts 19 are arranged between the two rotating plates 24, so that a worker can hold the two fixing belts 19 to transport the electric hoist 1 after the electric hoist 1 is used; and when the stay cord 3 in the electric block 1 is deformed and has fracture risk, one of them fixed band 19 can be taken down from the pivot outer wall of two gyro wheels 26 to the hasp 27 at the fixed band 19 both ends is fixed through the upper and lower both ends that the deformation position appears with stay cord 3 respectively through fastening bolt 28, makes fixed band 19 can have certain repairing effect to stay cord 3 deformation position, avoids stay cord 3 to appear breaking in the use, influences the lifting work of steel rack.
As a technical optimization scheme of the invention, a fixed seat 9 is arranged on the outer wall of one side of the electric hoist 1, a wind-up roll 12 is rotatably arranged in the fixed seat 9, and a protective film 13 is wound on the outer wall of the wind-up roll 12.
As a technical optimization scheme of the invention, one end of the protective film 13 far away from the winding roller 12 is provided with a first magnet 14, the outer wall of one side of the first magnet 14 far away from the protective film 13 is provided with a pull belt 15, and the outer wall of one side of the electric block 1 opposite to the fixed seat 9 is provided with a second magnet 8 magnetically attracted with the first magnet 14. The wind-up roll 12 arranged on the outer wall of the electric hoist 1 through the fixing seat 9 can bring a certain influence to the normal use of the electric hoist 1 when rainfall suddenly appears in the use process of the electric hoist 1, at the moment, a worker can pull the pull belt 15 to drive the protective film 13 to extend out of the outer wall of the wind-up roll 12, then the protective film 13 in an extension state can be upwards wound on the top of the electric hoist 1, and the first magnet 14 is magnetically adsorbed with the second magnet 8 on the outer wall of the other side of the electric hoist 1 to fix the position of the protective film 13, so that the protective film 13 can protect the electric hoist 1 and the electric hoist 1 can be normally used in rainy days; after the electric hoist 1 is used, when a worker transfers and walks on a flat road surface, the first driving motor 5 is started to drive the two moving plates 11 to rotate to the top of the electric hoist 1, the roller 26 on the rotating plate 24 is positioned above the electric hoist 1, the electric hoist 1 can be inverted to enable the roller 26 to be in contact with the flat road surface, then the two fixing belts 19 arranged on the outer wall of the rotating shaft of the roller 26 can be taken down, and after the two fixing belts 19 are connected, the lock catch 27 at one end of one fixing belt 19 is connected and fixed with the connecting ring 20, so that the two fixing belts 19 at the moment can be pulled manually to drive the electric hoist 1 to move on the road surface through the roller 26, and the electric hoist can be transferred conveniently by the worker without using a hand-held mode all the time in the transferring process; and in the electric block 1 when removing, can place lifting hook 4 at the inside reel top of electric block 1, then the manual work pulling stretching strap 15 drives protection film 13 and stretches out and twine its top at this moment at electric block 1 to make first magnetite 14 and second magnetite 8 mutually magnetism inhale, protection film 13 this moment can protect the inside reel of electric block 1, stay cord 3 and lifting hook 4, avoid the manual work to drive electric block 1 in the in-process that the road surface removed at pulling fixed band 19, external dust or other debris get into the inside of electric block 1 easily, cause the problem of influence to its use to appear.
In the invention, in the process of lifting the steel net frame, two extension plates 18 are respectively driven by two electric sliding blocks 23 to extend out of a movable groove 22 until the lengths of the two extension plates 18 and the outer wall of a steel column 29 are matched, a worker attaches the back surface of an electric hoist 1 to one side outer wall of the steel column 29, starts a second driving motor 7 to drive one side outer wall of two moving plates 11 close to each other to be abutted against the two side outer walls of the steel column 29, and then clamps and fixes the electric hoist 1 on the surface of the steel column 29 through the two moving plates 11, so that the electric hoist 1 can be mounted; when the electric hoist 1 needs to be disassembled, the second driving motor 7 is started to rotate reversely, the outer walls of one sides of the two moving plates 11, which are close to each other, are driven to be separated from the outer walls of the two sides of the steel column 29, the electric hoist 1 can be disassembled, the overall installation efficiency of the steel net frame is indirectly improved, and the working strength of workers is reduced.
After the electric hoist 1 is used, the electric hoist 1 is detached from the surface of the steel column 29, and a worker can hold the two fixing belts 19 by hand to transport the electric hoist 1; and when the stay cord 3 inside the electric block 1 deforms and has fracture risk, one of the fixing belts 19 can be taken down from the outer walls of the rotating shafts of the two rollers 26, and the lock catches 27 at the two ends of the fixing belt 19 are respectively fixed at the upper end and the lower end of the deformation position of the stay cord 3 through the fastening bolts 28, so that the fixing belt 19 can have a certain repairing effect on the deformation position of the stay cord 3, and the fracture of the stay cord 3 in the use process is avoided.
The wind-up roll 12 arranged on the outer wall of the electric hoist 1 can drive the protective film 13 to extend out of the outer wall of the wind-up roll 12 by pulling the pull belt 15 when the electric hoist 1 is in use, and then the protective film 13 in an extension state can be upwards wound on the top of the electric hoist 1, so that the protective film 13 can protect the electric hoist 1; and when electric block 1 uses the back, the staff is transported electric block 1, the accessible first driving motor 5 drives two movable plates 11 and rotates to the top of electric block 1, gyro wheel 26 is also located the top of electric block 1 this moment, can invert electric block 1 for gyro wheel 26 contacts with flat road surface, then can take down individual fixed band 19, and be connected fixedly with go-between 20 with hasp 27 of one end, make two fixed band 19 accessible manual pulling this moment, drive electric block 1 and remove at the road surface through gyro wheel 26, thereby make things convenient for the staff to transport it, need not at the handheld mode always in the transportation process.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (4)
1. The method for installing the steel mesh frame by means of deflection integral synchronous lifting is characterized by comprising the following steps of:
Step one: the steel column (29) is installed and fixed, and an independent lifting frame (31), a lifting inhaul cable (30) and an electric hoist (1) are arranged at the same time;
Step two: arranging a net rack lifting unit and a post-compensating net rack unit, assembling the net rack lifting unit after the site is leveled, and simultaneously setting lifting points on a net rack (32) to be lifted;
step three: and (3) performing test hoisting: starting a lifting frame (31) to lift the net rack lifting unit, suspending lifting after the net rack (32) is lifted to 500-1000 mm, and checking a lifting system and a lifting inhaul cable (30);
Step four: after the lifting system and the lifting cable (30) are checked, the main hoisting is carried out: opening the lifting frame (31) to lift the net rack (32) for 1m, and checking whether the net rack (32) is lifted synchronously;
Step five: after the net rack (32) synchronously ascends, the net rack (32) is lifted at a constant speed, and after the net rack (32) is lifted to the top of the steel column (29) by 500mm, lifting is stopped;
Step six: an electric hoist (1) is arranged at the upper end of a steel column (29), a lifting hook device of the electric hoist (1) is connected with a lower chord node of a net rack (32), the electric hoist (1) drives the net rack (32) to move towards the direction of a net rack support until the net rack support is positioned right above the steel column (29), and the net rack (32) and the net rack support are synchronously lowered to the top of the steel column (29) through a lifting frame (31);
Step seven: the net rack (32) and the net rack support are positioned right above the steel column (29), the net rack support is welded at the top of the steel column (29), the lifting frame (31) is removed, and rod pieces at the position of the lifting frame (31) are complemented to finish lifting;
the installation method further comprises an installation device applied to the electric hoist (1) in the first step, the installation device comprises the electric hoist (1) and a steel column (29), the back of the electric hoist (1) is connected with the steel column (29) through an installation mechanism, a pull rope (3) is wound on the outer wall of a winding drum of the electric hoist (1), and a lifting hook (4) is installed at one end, far away from the electric hoist (1), of the pull rope (3);
The mounting mechanism comprises two movable plates (11), a first chute (16) and a second chute (21) are respectively formed in the back and the top of the electric hoist (1), the two movable plates (11) can move back and forth in the first chute (16) and the second chute (21), two communicating grooves (17) for the rotation of the movable plates (11) are formed between the two ends of the first chute (16) and the second chute (21) of the electric hoist (1), and extension plates (18) are movably mounted in the two movable plates (11);
a first driving motor (5) is arranged on the outer wall of one side of the electric hoist (1), a connecting plate (6) is arranged at the output end of the first driving motor (5), a second driving motor (7) is arranged at one end, far away from the first driving motor (5), of the connecting plate (6), and a double-head screw rod (10) is coaxially connected with the output end of the second driving motor (7);
the tops of the two moving plates (11) are provided with sliding rods, and one end of the double-head screw rod (10) far away from the second driving motor (7) penetrates through the two sliding rods;
The inside of the two movable plates (11) is provided with movable grooves (22), the two extension plates (18) respectively move back and forth in the movable grooves (22) through electric sliding blocks (23) arranged on the outer walls, and one ends of the two extension plates (18) far away from the movable plates (11) are hinged with rotating plates (24);
Grooves (25) are formed in the outer wall of one side, far away from the extension plate (18), of the two rotating plates (24), and idler wheels (26) are rotatably arranged in the grooves (25) through rotating shafts.
2. The steel mesh frame deflection integral synchronous lifting installation method according to claim 1 is characterized in that a plurality of lock catches (27) are sleeved on the outer walls of the rotating shafts, fastening bolts (28) are installed in the lock catches (27) in a threaded mode, a fixing belt (19) is installed between the lock catches (27) with the same horizontal position, and a connecting ring (20) which is connected with and matched with the lock catches (27) is installed at the bottom of the electric hoist (1).
3. The method for integrally and synchronously lifting and installing the steel mesh frame in the offset mode according to claim 2 is characterized in that a fixing seat (9) is installed on the outer wall of one side of the electric hoist (1), a winding roller (12) is rotatably installed in the fixing seat (9), and a protective film (13) is wound on the outer wall of the winding roller (12).
4. The method for integrally and synchronously lifting and installing the steel mesh frame in the offset mode according to claim 3, wherein one end, far away from the winding roller (12), of the protective film (13) is provided with a first magnet (14), one side outer wall, far away from the protective film (13), of the first magnet (14) is provided with a pull belt (15), and one side outer wall, opposite to the fixed seat (9), of the electric hoist (1) is provided with a second magnet (8) magnetically attracted with the first magnet (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| GB570599A (en) * | 1943-08-31 | 1945-07-13 | Albert Morgan | Improvements in electrically operated hoist gear |
| DE2031242C3 (en) * | 1968-06-28 | 1975-11-27 | Luigi Bergamo Bacci (Italien) | Device for lifting heavy flat components |
| AU2013100816B4 (en) * | 2013-04-23 | 2014-04-17 | Meshlift Pty Ltd | Improvements relating to the lifting of gridmesh |
| CN106522566B (en) * | 2016-12-05 | 2018-09-14 | 中铁三局集团建筑安装工程有限公司 | A kind of roof system steel truss sliding rail and assembly and disassembly methods |
| EP3672900B1 (en) * | 2017-08-21 | 2024-04-03 | Construction Robotics, LLC | Building element lift enhancer |
| CN207759935U (en) * | 2018-01-11 | 2018-08-24 | 江西起重机械总厂有限公司 | A kind of electric block gantry crane |
| CN109372269A (en) * | 2018-12-12 | 2019-02-22 | 中国三冶集团有限公司 | A kind of constructing structure of roof trusses |
| CN212151295U (en) * | 2020-03-12 | 2020-12-15 | 绍兴裕铭机械科技有限公司 | Prevent crooked prefabricated component hoisting accessory for construction |
| CN111217235B (en) * | 2020-03-30 | 2024-05-24 | 中国二十二冶集团有限公司 | A building board lifting fixture |
| CN212954040U (en) * | 2020-04-25 | 2021-04-13 | 李楠 | Maintenance hoisting device is transported to outer wallboard for assembly type structure |
| CN112412036A (en) * | 2020-10-29 | 2021-02-26 | 中铁华铁工程设计集团有限公司 | Net rack installation construction method and net rack lifting device |
| CN112777481B (en) * | 2021-01-28 | 2025-02-25 | 中建四局第六建设有限公司 | A bidirectional sliding device for prefabricated stands and construction method thereof |
| CN214989896U (en) * | 2021-06-09 | 2021-12-03 | 中国建筑第二工程局有限公司 | Novel ALC installation promotes device |
| CN114955886A (en) * | 2022-05-31 | 2022-08-30 | 任宏达 | Wall body conveyer for assembled building wall |
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