CN114776038A - Steel truss installation structure and step unloading method thereof - Google Patents
Steel truss installation structure and step unloading method thereof Download PDFInfo
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- CN114776038A CN114776038A CN202210384177.0A CN202210384177A CN114776038A CN 114776038 A CN114776038 A CN 114776038A CN 202210384177 A CN202210384177 A CN 202210384177A CN 114776038 A CN114776038 A CN 114776038A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 94
- 239000010959 steel Substances 0.000 title claims abstract description 94
- 238000009434 installation Methods 0.000 title claims description 21
- 238000000034 method Methods 0.000 title claims description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 90
- 230000008878 coupling Effects 0.000 claims abstract description 23
- 238000010168 coupling process Methods 0.000 claims abstract description 23
- 238000005859 coupling reaction Methods 0.000 claims abstract description 23
- 210000001503 joint Anatomy 0.000 claims description 14
- 238000004804 winding Methods 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 7
- 238000011900 installation process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 208000004350 Strabismus Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G25/00—Shores or struts; Chocks
- E04G25/02—Shores or struts; Chocks non-telescopic
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The utility model relates to a steel truss mounting structure, a steel truss structure's technical field is related to, including steelframe and interim support frame, interim support frame can dismantle the connection of each other and form the cylinder, the vertical setting of interim support frame is subaerial, the steelframe sets up on interim support frame through hoist and mount, interim support frame is used for supporting the steelframe, the steelframe is used for fixing on building subject, install coupling mechanism on the interim support frame, coupling mechanism can dismantle the connection on the steelframe, coupling mechanism is used for making interim support frame hang and establishes on the steelframe. This application has the effect that the construction safety nature of dismantling interim support frame promotes.
Description
Technical Field
The application relates to the technical field of steel truss structures, in particular to a steel truss installation structure and a step unloading method thereof.
Background
The steel truss is a truss made of steel, a roof structure, a crane beam, a bridge and other structures of industrial and civil buildings, and the steel truss is commonly used as a main bearing member. The steel truss is in a lattice structure, so that the weight of the steel truss can be reduced on the basis of ensuring higher structural strength, and the steel truss is widely applied.
The existing steel truss installation structure needs to firstly set up temporary support frames on the ground, the temporary support frames are mutually detachably connected, a plurality of temporary support frames are spliced into a cylinder structure and fixed on the ground, constructors horizontally hoist the steel truss on the temporary support frames through a crane, the temporary support frames can support the steel truss, the probability of deflection generated in the hoisting and installation processes of the steel truss is reduced, and the structural strength of the steel truss after installation can be improved. After the steel truss is installed, constructors need to dismantle the temporary support frames, the building structure formed by the steel trusses bears the dead weight, and the process is called unloading of the steel trusses.
The above related technical solutions have the following drawbacks: in the process of dismantling the temporary support frame, the temporary support frame is large in height, so that constructors need to work high above the ground, the weight of the temporary support frame is large, the constructors need to be matched with engineering machinery such as a crane to dismantle, construction is dangerous, and inconvenience is caused.
Disclosure of Invention
In order to improve the construction safety of dismantling the temporary support frame, the application provides a steel truss installation structure and a ladder unloading method thereof.
The application provides a steel truss mounting structure adopts following technical scheme:
the utility model provides a steel truss mounting structure, includes steelframe and interim support frame, interim support frame can dismantle mutually and connect the formation cylinder, the vertical setting of interim support frame is subaerial, the steelframe sets up on interim support frame through hoist and mount, interim support frame is used for supporting the steelframe, the steelframe is used for fixing on building subject, install coupling mechanism on the interim support frame, coupling mechanism can dismantle the connection on the steelframe, coupling mechanism is used for making interim support frame hang and establishes on the steelframe.
By adopting the technical scheme, the temporary support frame is provided with the connecting mechanism, so that the connecting mechanism can be detachably connected to the steel frame, after the steel frame is hoisted on the temporary support frame by a constructor through a crane, the connecting mechanism can be connected to the steel frame, the temporary support frame is connected with the steel frame, when the temporary support frame collapses or falls, the steel frame lifts the temporary support frame through the connecting mechanism, which can reduce the working danger of constructors, by mounting the temporary support frame on the steel frame, constructors can disassemble the lower bottom of the temporary support frame after the steel frame is fixed on the building main body, and then make interim support frame hang and establish on the steelframe, constructor can dismantle interim support frame subaerial this moment, reduces constructor and carries out high altitude construction's step, can make things convenient for constructor to transport the interim support frame that has lifted off, has promoted the construction security of demolising interim support frame.
Optionally, one end of the temporary support frame far away from the ground is provided with a supporting mechanism, the supporting mechanism comprises an upper abutting plate, a lower abutting plate and a plurality of jacks, the lower abutting plate is fixedly connected to one end of the temporary support frame far away from the ground, one end of each jack is fixed to the lower abutting plate, the other end of each jack is abutted to the upper abutting plate, the upper abutting plate is used for supporting the steel frame, and the jacks are used for adjusting gaps between the upper abutting plate and the lower abutting plate.
Through adopting above-mentioned technical scheme, through setting up supporting mechanism on interim support frame, make the jack support go up the butt board, constructor passes through control jack and goes up and down, can adjust the clearance of butt board and lower butt board, and then make the steelframe hoist and mount when interim support frame is gone up, the steelframe tip of treating the installation can align with the steelframe tip of having installed, reduces the step that constructor further finely tunes the steelframe, promotes the efficiency of construction.
Optionally, a plurality of first connecting pieces are arranged on the upper butt joint plate, a plurality of second connecting pieces are arranged on the lower butt joint plate, the first connecting pieces correspond to the second connecting pieces in position one to one, a connecting rope is arranged between the first connecting pieces and the second connecting pieces, one connecting rope is arranged on each first connecting piece, one end of each connecting rope is fixed to the first connecting pieces, the other end of each connecting rope is fixed to the second connecting pieces, and the length of each connecting rope is greater than the length of the jack extending to the limit.
Through adopting above-mentioned technical scheme, through setting up connecting piece one on last butt joint plate, set up connecting piece two on butt joint plate down, make and connect the rope and can connect between last butt joint plate and lower butt plate, when interim support frame is hung and is established on the steelframe, go up butt plate and butt plate down and keep connecting through connecting the rope, and then reduce the probability that the butt plate dropped to ground, promote the security of construction.
Optionally, the connecting mechanism comprises a mounting plate, a winding roller, a motor and a rope, the mounting plate is fixed on the supporting mechanism, the winding roller is rotatably connected onto the mounting plate, one end of the rope is fixed onto the winding roller, the other end of the rope is detachably connected with the steel frame, the motor is set to be a self-locking motor, a shell of the motor is fixed onto the mounting plate, and an output shaft of the motor is coaxially connected with the winding roller.
Through adopting above-mentioned technical scheme, through setting up the wind-up roll on the mounting panel, connect the rope on the wind-up roll, constructor can rotate through control motor output shaft, reaches the effect that the rope was emitted to the control wind-up roll, and then makes the vertical removal of steelframe relatively of interim support frame, and constructor progressively dismantles interim support frame and makes interim support frame move down, makes things convenient for constructor to dismantle the lower extreme of interim support frame.
Optionally, a hook is arranged at one end of the rope far away from the winding roller.
By adopting the technical scheme, the hooks are arranged on the ropes, the upper hooks can be hung on the lattice type steel truss, and the connecting mechanism can be conveniently and quickly connected to the steel frame.
Optionally, the connecting mechanisms are provided in a plurality of groups, and each group of connecting mechanisms is arranged on one side of the steel frame.
Through adopting above-mentioned technical scheme, through setting up coupling mechanism in groups in steelframe both sides, when making interim support frame hang on the steelframe through coupling mechanism, the focus of interim support frame remains stable, reduces the probability of interim support frame skew when constructor breaks away from the connection with interim support frame and ground, promotes the construction security.
The application provides a ladder uninstallation method of a steel truss installation structure, which adopts the following technical scheme:
a step unloading method of a steel truss installation structure comprises the following steps:
s1: a temporary support frame is erected on the ground, and a support mechanism and a connecting mechanism are arranged on the temporary support frame;
s2: controlling the jack to stretch, hoisting the steel frame on the temporary support frame, connecting the connecting mechanism on the steel frame, and installing the steel frame;
s3: the temporary support frame positioned at the lower side is dismantled, so that the temporary support frame is hung on the steel frame through the connecting mechanism;
s4: and (4) dismantling the temporary support frame from bottom to top, and finally completely dismantling the temporary support frame to separate the connecting mechanism from the steel frame.
Through adopting the above technical scheme, through set up coupling mechanism on interim support frame, when the steelframe hoist and mount on interim support frame, coupling mechanism can connect on the steelframe, the steelframe is continued to be held to the loop wheel machine this moment, constructor can carry out the installation work to the steelframe, when interim support frame squints or collapses, interim support frame hangs on the steelframe through coupling mechanism, can reduce the accident harm, after the steelframe installation is accomplished, the steelframe can play the supporting role to interim support frame through coupling mechanism, constructor is when subaerial dismantlement work, interim support frame hangs on the steelframe, and then promote the efficiency of construction.
A step unloading method of a steel truss installation structure comprises the following steps:
s1: a temporary support frame is erected on the ground, and a support mechanism and a connecting mechanism are arranged on the temporary support frame;
s2: controlling the jack to stretch, hoisting the steel frame on the temporary support frame, connecting the connecting mechanism on the steel frame, and installing the steel frame;
s31: the temporary support frame on the lower side is dismantled, and the motor drives the winding roller to pay out the rope, so that the temporary support frame descends through the connecting mechanism;
s32: continuously removing the temporary support frame on the lower side until the temporary support frame is completely removed;
s4: and (4) dismantling the temporary support frame from bottom to top, and finally completely dismantling the temporary support frame to disconnect the connecting mechanism from the steel frame.
Through adopting above-mentioned technical scheme, through setting up the wind-up roll on supporting mechanism, set up the rope on the wind-up roll, constructor can connect steelframe and interim support frame through the rope, and constructor passes through the motor drive wind-up roll and rotates, can make interim support frame hang on the steelframe and vertical removal, and constructor can progressively make interim support frame descend dismantling the in-process of interim support frame to conveniently demolish work.
To sum up, the beneficial technical effect of this application does:
1. the connecting mechanism is detachably connected to the steel frame by arranging the connecting mechanism on the temporary support frame, so that a constructor can connect the connecting mechanism to the steel frame after the steel frame is hoisted on the temporary support frame by a crane, the temporary support frame is connected with the steel frame at the moment, when the temporary support frame collapses or collapses, the steel frame lifts the temporary support frame through the connecting mechanism, which can reduce the work danger of constructors, by mounting the temporary support frame on the steel frame, constructors can disassemble the lower bottom of the temporary support frame after the steel frame is fixed on the building main body, the temporary support frame is further hung on the steel frame, so that the constructor can detach the temporary support frame on the ground, the steps of high-altitude operation performed by the constructor are reduced, the detached temporary support frame can be conveniently transported by the constructor, and the construction safety of detaching the temporary support frame is improved;
2. the supporting mechanism is arranged on the temporary supporting frame, so that the upper abutting plate is supported by the jack, and a constructor can adjust the gap between the upper abutting plate and the lower abutting plate by controlling the lifting of the jack, so that when a steel frame is hoisted on the temporary supporting frame, the end part of the steel frame to be installed can be aligned with the end part of the installed steel frame, the step of further finely adjusting the steel frame by the constructor is reduced, and the construction efficiency is improved;
3. through setting up the wind-up roll on the mounting panel, connect the rope on the wind-up roll, constructor can rotate through control motor output shaft, reaches the effect that the rope was emitted to the control wind-up roll, and then makes the vertical removal of steelframe relatively of interim support frame, and constructor progressively dismantles interim support frame and makes interim support frame move down, makes things convenient for constructor to dismantle the lower extreme of interim support frame.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a first schematic view of a connection structure of a temporary support frame and a support mechanism according to an embodiment of the present application.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is a schematic view of a connection structure between the temporary support frame and the support mechanism according to the embodiment of the present application.
Reference numerals are as follows: 1. a steel frame; 2. a temporary support frame; 3. a support mechanism; 31. an upper abutting plate; 311. a first connecting piece; 32. a lower butt plate; 321. a second connecting piece; 33. a jack; 34. connecting ropes; 4. a connecting mechanism; 41. mounting a plate; 42. a wind-up roll; 43. a motor; 44. a rope; 441. and (4) hanging hooks.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a steel truss mounting structure. Referring to fig. 1, including steelframe 1 and interim support frame 2, steelframe 1 is provided with a plurality ofly, and steelframe 1 uses a plurality of metal member to interconnect and piece together into columnar structure. The steel frame 1 is horizontally installed on a building body. Fixed connection forms the roof beam body each other between a plurality of steelframes 1, and constructor is through with 1 horizontal installation of steelframe at the building top to make 1 effects that can play the supporting beam of steelframe, promote the structural strength of building.
Referring to fig. 1, interim support frame 2 is provided with a plurality ofly, and interim support frame 2 is vertical to be set up subaerial, and interim support frame 2 uses metal pole piece detachable connection each other and concatenation to form the cylinder. Constructor installs interim support frame 2 subaerial, hoists steelframe 1 on interim support frame 2, makes interim support frame 2 support steelframe 1, and constructor is with 1 fixed connection of steelframe on the building subject. Through setting up a plurality of interim support frames 2 subaerial, the probability that steelframe 1 received the action of gravity to warp when can reducing hoist and mount and installation steelframe 1 makes things convenient for constructor to align adjacent 1 tip of two steelframes, can reduce the probability that causes plastic deformation on the steelframe 1.
Referring to fig. 1 and 2, the temporary support frame 2 is provided with a support mechanism 3, the support mechanism 3 includes an upper abutting plate 31, a lower abutting plate 32, and a plurality of jacks 33, the upper abutting plate 31 and the lower abutting plate 32 are of a flat plate structure, and the jacks 33 are disposed between the upper abutting plate 31 and the lower abutting plate 32. A plurality of jacks 33 evenly distributed and through bolt fastening under on butt plate 32, jack 33 is used for supporting butt plate 31 to make things convenient for constructor to control the interval of going up butt plate 31 and butt plate 32 down. Lower butt plate 32 passes through the bolt and can dismantle the connection on the top of interim support frame 2, goes up butt plate 31 butt in the downside of steelframe 1. Constructor is flexible through control jack 33, reaches the effect in butt board 31 and lower butt board 32 clearance in the control, and then makes steelframe 1 hoist and mount when temporary support frame 2, and the tip of steelframe 1 can align with 1 tip of adjacent steelframe, makes things convenient for constructor to install and connect steelframe 1's work.
Referring to fig. 2 and 4, a plurality of first connecting members 311 are arranged on the upper abutting plate 31, the first connecting members 311 are arranged on the outer side wall of the upper abutting plate 31 at equal intervals, a plurality of second connecting members 321 are arranged on the lower abutting plate 32, and the second connecting members 321 are arranged on the outer side wall of the lower abutting plate 32 at equal intervals. The positions of the first connecting piece 311 and the second connecting piece 321 correspond to each other one by one, a connecting rope 34 is arranged between each first connecting piece 311 and each second connecting piece 321, one end of each connecting rope 34 is fixedly connected to the first connecting piece 311, and the other end of each connecting rope is fixedly connected to the second connecting piece 321. The connecting rope 34 has elasticity, the extended limit length of the connecting rope 34 is greater than the extended limit length of the jack 33, the connecting rope 34 is connected with the upper abutting plate 31 and the lower abutting plate 32, and therefore the probability that the upper abutting plate 31 and the lower abutting plate 32 are disconnected is reduced.
Referring to fig. 2 and 3, a connecting mechanism 4 is arranged on the supporting mechanism 3, and the connecting mechanism 4 is detachably connected with the steel frame 1. Constructor can make interim support frame 2 and supporting mechanism 3 connect on steelframe 1 through connecting mechanism 4 connects on steelframe 1, and constructor demolishs the back with the downside of interim support frame 2, and remaining interim support frame 2 hangs on steelframe 1 through connecting mechanism 4. Steelframe 1 plays the effect of hoisting interim support frame 2, and constructor can demolish interim support frame 2 from bottom to top, and constructor is located subaerially when demolising, promotes the security and the convenience of construction.
Referring to fig. 3, the connecting mechanism 4 is provided in plurality, and the connecting mechanism 4 includes a mounting plate 41, a winding roller 42, a motor 43, and a rope 44, and the mounting plate 41 is fixed to the upper abutting plate 31 or the lower abutting plate 32, and in this embodiment, the mounting plate 41 is fixed to the lower abutting plate 32. A plurality of mounting panels 41 equidistance interval sets up on the lateral wall of butt joint plate 32 down, all rotates on every mounting panel 41 and connects a wind-up roll 42, and rope 44 one end is fixed on wind-up roll 42, and the other end is used for being connected with steelframe 1. The motor 43 is a self-locking motor, the shell of the motor 43 is fixed on the mounting plate 41, and the output shaft of the motor 43 is coaxially connected with the winding roller 42. Constructor demolishs the lower extreme of interim support frame 2, makes interim support frame 2 hang back on steelframe 1, through the action of control motor 43, can make rope 44 emit from wind-up roll 42, and then makes the relative steelframe 1 of interim support frame 2 move down, makes things convenient for constructor to dismantle interim support frame 2 subaerial progressively.
Referring to fig. 3 and 4, a hook 441 is mounted on one end of the rope 44 away from the wind-up roll 42, and the hook 441 is used for being hung on the steel frame 1, so that the connecting mechanism 4 is detachably connected with the steel frame 1. Be provided with four and above coupling mechanism 4 on the supporting mechanism 3, coupling mechanism 4 divide into two sets of settings, the quantity of every coupling mechanism 4 of group is the same, every coupling mechanism 4 of group sets up respectively in 1 one side of steelframe, when interim support frame 2 hangs and establishes on steelframe 1, the focus of interim support frame 2 remains throughout on same vertical line, thereby reduce the probability that interim support frame 2 squinted when interim support frame 2 breaks away from with ground and is connected, promote constructor's the security of dismantling interim support frame 2.
The implementation principle of the embodiment of the application is as follows: the temporary support frame 2 is installed on the ground, the temporary support frame 2 is used for supporting the hoisted steel frame 1, the probability of deflection of the steel frame 1 in the installation process is further reduced, the supporting mechanism 3 is arranged at the end part of the temporary support frame 2, a constructor can control the position of the steel frame 1 hoisted to the temporary support frame 2 by adjusting the jack 33, the end part of the steel frame 1 is conveniently aligned with the end part of the adjacent steel frame 1, the construction is convenient, the connecting mechanism 4 is arranged on the temporary support frame 2, the temporary support frame 2 can be hung on the steel frame 1 through the connecting mechanism 4, the constructor can dismantle the temporary support frame 2 at the lower side, the temporary support frame 2 is disconnected with the ground, the constructor can release the rope 44 by controlling the winding roller 42, the temporary support frame 2 descends, and the constructor can dismantle the temporary support frame 2 step by step on the ground, the safety of the disassembly work is improved.
The embodiment of the application also discloses a step unloading method of the steel truss installation structure, which comprises the following steps:
s1: a temporary support frame 2 is erected on the ground, and a support mechanism 3 and a connecting mechanism 4 are arranged on the temporary support frame 2;
s2: controlling the jack 33 to stretch, hoisting the steel frame 1 on the temporary support frame 2, connecting the connecting mechanism 4 on the steel frame 1, and installing the steel frame 1;
s3: the temporary support frame 2 on the lower side is dismantled, so that the temporary support frame 2 is hung on the steel frame 1 through the connecting mechanism 4;
s4: the temporary support frame 2 is dismantled from bottom to top, and finally the temporary support frame 2 is completely dismantled, so that the connecting mechanism 4 is disconnected from the steel frame 1.
Further, step S3 includes:
s31: the temporary support frame 2 on the lower side is dismantled, and the motor 43 drives the winding roller 42 to pay out the rope 44, so that the temporary support frame 2 descends through the connecting mechanism 4;
s32: and continuing to remove the temporary support frame 2 at the lower side until the temporary support frame 2 is completely removed.
The implementation principle of the embodiment of the application is as follows: through connecting coupling mechanism 4 on steelframe 1, make interim support frame 2 can support steelframe 1, can supply interim support frame 2 to hang up after steelframe 1 is fixed, constructor at first demolishs 2 downside of interim support frame, can make interim support frame 2 and ground disconnect, constructor is under construction subaerial, it is more convenient and safety, constructor gradually moves down through controlling interim support frame 2, can conveniently demolish interim support frame 2 that is located the downside, and then promote construction speed and security.
The embodiments of the present invention are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a steel truss mounting structure which characterized in that: including steelframe (1) and interim support frame (2), interim support frame (2) can be dismantled mutually and connect the formation cylinder, the vertical setting in interim support frame (2) is subaerial, steelframe (1) sets up on interim support frame (2) through hoist and mount, interim support frame (2) are used for supporting steelframe (1), steelframe (1) are used for fixing on building subject, install coupling mechanism (4) on interim support frame (2), coupling mechanism (4) can be dismantled and connect on steelframe (1), coupling mechanism (4) are used for making interim support frame (2) hang and establish on steelframe (1).
2. The steel truss installation structure of claim 1, wherein: keep away from on interim support frame (2) one of ground and serve and be provided with supporting mechanism (3), supporting mechanism (3) are including butt joint board (31), butt joint board (32) and a plurality of jack (33) down, butt joint board (32) fixed connection keeps away from the one end on ground on interim support frame (2) down, jack (33) one end is fixed under on butt joint board (32), the other end and last butt joint board (31) butt, it is used for supporting steelframe (1) to go up butt joint board (31), jack (33) are used for adjusting the clearance of last butt joint board (31) and lower butt joint board (32).
3. The steel truss installation structure of claim 2, wherein: go up to be provided with a plurality of connecting piece (311) on butt board (31), be provided with a plurality of connecting piece two (321) on butt board (32) down, the position one-to-one of connecting piece (311) and connecting piece two (321), be provided with between connecting piece one (311) and connecting piece two (321) and connect rope (34), set up one on every connecting piece (311) and connect rope (34), connect rope (34) one end and fix on connecting piece one (311), the other end is fixed on connecting piece two (321), the length of connecting rope (34) is greater than the length that jack (33) extend to the limit.
4. A steel truss installation structure as claimed in claim 2, wherein: coupling mechanism (4) are including mounting panel (41), wind-up roll (42), motor (43) and rope (44), and mounting panel (41) are fixed on supporting mechanism (3), and wind-up roll (42) rotate to be connected on mounting panel (41), and rope (44) one end is fixed on wind-up roll (42), and the other end is used for dismantling with steelframe (1) and is connected, and motor (43) set up to self-locking motor, and the casing of motor (43) is fixed on mounting panel (41), the output shaft and wind-up roll (42) coaxial coupling of motor (43).
5. The steel truss installation structure of claim 4, wherein: and a hook (441) is arranged at one end of the rope (44) far away from the winding roller (42).
6. The steel truss installation structure of claim 4, wherein: the connecting mechanisms (4) are arranged in a plurality of groups, the connecting mechanisms (4) are arranged in two groups, and each group of connecting mechanisms (4) is arranged on one side of the steel frame (1).
7. The stair unloading method of a steel truss installation structure as claimed in claim 3, wherein: the method comprises the following steps:
s1: a temporary support frame (2) is erected on the ground, and a support mechanism (3) and a connecting mechanism (4) are arranged on the temporary support frame (2);
s2: controlling the jack (33) to stretch, hoisting the steel frame (1) on the temporary support frame (2), connecting the connecting mechanism (4) on the steel frame (1), and installing the steel frame (1);
s3: the temporary support frame (2) on the lower side is removed, so that the temporary support frame (2) is hung on the steel frame (1) through the connecting mechanism (4);
s4: demolish interim support frame (2) from bottom to top, finally demolish interim support frame (2) completely, make coupling mechanism (4) and steelframe (1) break away from the connection.
8. The stair unloading method of a steel truss installation structure as claimed in claim 4, wherein: the method comprises the following steps:
s1: a temporary support frame (2) is erected on the ground, and a support mechanism (3) and a connecting mechanism (4) are arranged on the temporary support frame (2);
s2: controlling the jack (33) to stretch, hoisting the steel frame (1) on the temporary support frame (2), connecting the connecting mechanism (4) on the steel frame (1), and installing the steel frame (1);
s31: the temporary support frame (2) on the lower side is dismounted, a motor (43) drives a winding roller (42) to pay out a rope (44), and the temporary support frame (2) is lowered through a connecting mechanism (4);
s32: continuously removing the temporary support frame (2) on the lower side until the temporary support frame (2) is completely removed;
s4: the temporary support frame (2) is dismantled from bottom to top, and finally the temporary support frame (2) is completely dismantled, so that the connecting mechanism (4) is disconnected from the steel frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210384177.0A CN114776038B (en) | 2022-04-13 | 2022-04-13 | Steel truss installation structure and step unloading method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN115544618A (en) * | 2022-09-27 | 2022-12-30 | 北京首钢建设集团有限公司 | Large-span deformed steel truss structure module space assembly precision control method |
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| CN114776038B (en) | 2024-03-29 |
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