CN114776038B - 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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- CN114776038B CN114776038B CN202210384177.0A CN202210384177A CN114776038B CN 114776038 B CN114776038 B CN 114776038B CN 202210384177 A CN202210384177 A CN 202210384177A CN 114776038 B CN114776038 B CN 114776038B
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- temporary support
- steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 77
- 239000010959 steel Substances 0.000 title claims abstract description 77
- 238000009434 installation Methods 0.000 title claims description 17
- 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 31
- 238000010168 coupling process Methods 0.000 claims abstract description 31
- 238000005859 coupling reaction Methods 0.000 claims abstract description 31
- 210000001503 joint Anatomy 0.000 claims description 14
- 238000004804 winding Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 7
- 230000001737 promoting effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
Classifications
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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
-
- 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
-
- 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
Landscapes
- 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 relates to steel truss structure's technical field, including steelframe and interim support frame, the connection forms the cylinder is dismantled each other to interim support frame, and interim support frame is vertical to be set up subaerial, and the steelframe passes through the hoist and mount setting on interim support frame, and interim support frame is used for supporting the steelframe, and the steelframe is used for fixing on building main part, installs coupling mechanism on the interim support frame, and coupling mechanism can dismantle the connection on the steelframe, and coupling mechanism is used for making interim support frame hang to establish on the steelframe. The application has the effect of promoting the construction safety who demolishs interim support frame.
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
Steel trusses are trusses made of steel, and are commonly used as main bearing members for roof structures, crane beams, bridges and other structures of industrial and civil buildings. The steel truss can reduce weight on the basis of ensuring higher structural strength by adopting a lattice structure, so that the steel truss is widely applied.
The existing steel truss installation structure needs to be provided with temporary supporting frames on the ground at first, the temporary supporting frames are detachably connected with each other, a plurality of temporary supporting frames are spliced into a column structure and are fixed on the ground, constructors can horizontally hoist the steel truss on the temporary supporting frames through a crane, the temporary supporting frames can support the steel truss, the probability of deflection of the steel truss in the hoisting and installation processes 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 supporting frames, and the building structure formed by the steel trusses bears dead weight, and the process is called unloading of the steel trusses.
The related technical scheme has the following defects: in the process of dismantling the temporary support frame, because the height of the temporary support frame is large, constructors need to work aloft, the weight of the temporary support frame is large, constructors need to cooperate with engineering machinery such as a crane to dismantle, construction is dangerous, and inconvenience is caused.
Disclosure of Invention
In order to improve construction safety of removing the temporary support frame, the application provides a steel truss installation structure and a step 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, and interim support frame can dismantle each other and connect and form the cylinder, and the vertical setting of interim support frame is subaerial, and the steelframe passes through the hoist and mount setting on interim support frame, and interim support frame is used for supporting the steelframe, and the steelframe is used for fixing on building main part, installs coupling mechanism on the interim support frame, and coupling mechanism can dismantle and connect on the steelframe, and coupling mechanism is used for making interim support frame hang to establish on the steelframe.
Through adopting above-mentioned technical scheme, through setting up coupling mechanism on interim support frame, make coupling mechanism detachable connection on the steelframe, constructor hoist the steelframe behind interim support frame through the loop wheel machine, can connect coupling mechanism on the steelframe, interim support frame and steelframe are connected this moment, when interim support frame collapses or collapse, the steelframe is through coupling mechanism hoist interim support frame, can reduce constructor work danger, through installing interim support frame on the steelframe, constructor can dismantle interim support frame's lower bottom after the steelframe is fixed in the building main part, and then make interim support frame hoist and establish on the steelframe, constructor can dismantle interim support frame subaerial this moment, reduce constructor and carry out the step of aerial work, can make things convenient for constructor transportation to dismantle interim support frame, the construction safety who demolishs interim support frame has been promoted.
Optionally, be provided with supporting mechanism on the one end of keeping away from ground on the temporary support frame, supporting mechanism includes butt joint board, lower butt joint board and a plurality of jack down, and butt joint board fixed connection is kept away from the one end on the temporary support frame on ground down, and jack one end is fixed on the butt joint board down, and the other end is in butt joint with last butt joint board, goes up the butt joint board and is used for supporting the steelframe, and the jack is used for adjusting the clearance of butt joint board and lower butt joint board.
Through adopting above-mentioned technical scheme, through setting up supporting mechanism on interim support frame, make jack support the butt joint board, constructor goes up and down through control jack, can adjust the clearance of butt joint board and lower butt joint board, and then when making the steelframe hoist and mount on interim support frame, the steelframe tip of waiting to install can be aligned with the steelframe tip of having installed, reduces the step of constructor further fine setting steelframe, promotes the efficiency of construction.
Optionally, a plurality of first connecting pieces are arranged on the upper abutting plate, a plurality of second connecting pieces are arranged on the lower abutting plate, the first connecting pieces and the second connecting pieces are in one-to-one correspondence, connecting ropes are 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 on the first connecting piece, the other end of each connecting rope is fixed on the second connecting piece, 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 plate, set up connecting piece two on lower butt plate, make the connection rope can connect between last butt plate and lower butt plate, when temporary support frame hangs and establishes on the steelframe, go up butt plate and lower butt plate and keep connecting through connecting the rope, and then reduce the probability that goes up the butt plate and drop to ground, promote the security of construction.
Optionally, coupling mechanism includes mounting panel, wind-up roll, motor and rope, and the mounting panel is fixed on supporting mechanism, and the wind-up roll rotates to be connected on the mounting panel, and rope one end is fixed on the wind-up roll, and the other end is used for dismantling with the steelframe to be connected, and the motor sets up to auto-lock motor, and the casing of motor is fixed on the mounting panel, the output shaft and the wind-up roll coaxial coupling of motor.
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 control wind-up roll was released the rope, and then makes interim support frame can be relative steelframe vertical removal, constructor progressively dismantle interim support frame and make interim support frame move down, make things convenient for constructor to dismantle interim support frame's lower extreme.
Optionally, a hook is arranged at one end of the rope far away from the wind-up roll.
Through adopting above-mentioned technical scheme, through setting up the couple on the rope, go up the couple and to hang to establish on lattice type steel truss, can conveniently connect coupling mechanism on the steelframe fast.
Optionally, the connecting mechanism is provided with a plurality of, and a plurality of connecting mechanisms divide into two sets of settings, and every group connecting mechanism sets up in one side of steelframe.
Through adopting above-mentioned technical scheme, through set up coupling mechanism in groups in the steelframe both sides, when making temporary support frame hang on the steelframe through coupling mechanism, the focus of temporary support frame keeps stable, reduces the constructor and breaks away from the probability of temporary support frame skew when being connected with ground with temporary support frame, promotes the construction security.
The step unloading method of the steel truss installation structure adopts the following technical scheme:
a step unloading method of a steel truss installation structure comprises the following steps:
s1: setting up a temporary support frame on the ground, and setting up a support mechanism and a connecting mechanism on the temporary support frame;
s2: controlling the jack to stretch out and draw back, hoisting the steel frame on the temporary support frame, connecting the connecting mechanism on the steel frame, and installing the steel frame;
s3: removing the temporary support frame positioned at the lower side, so that the temporary support frame is hung on the steel frame through the connecting mechanism;
s4: and finally, the temporary support frame is completely removed, so that the connecting mechanism is disconnected with the steel frame.
Through adopting above-mentioned technical scheme, through setting up coupling mechanism on interim support frame, when the steelframe hoist and mount on interim support frame, coupling mechanism can be connected on the steelframe, the loop wheel machine continues to pull the steelframe this moment, constructor can carry out the installation work to the steelframe, when interim support frame skew or collapse, interim support frame hangs on the steelframe through coupling mechanism, can reduce accident hazard, after the steelframe installation is accomplished, the steelframe can play the supporting role to interim support frame through coupling mechanism, constructor dismantles the during operation subaerial, interim support frame hangs on the steelframe, and then promote efficiency of construction.
A step unloading method of a steel truss installation structure comprises the following steps:
s1: setting up a temporary support frame on the ground, and setting up a support mechanism and a connecting mechanism on the temporary support frame;
s2: controlling the jack to stretch out and draw back, hoisting the steel frame on the temporary support frame, connecting the connecting mechanism on the steel frame, and installing the steel frame;
s31: removing the temporary support frame positioned at the lower side, and driving the winding roller to pay out the rope through a motor so that the temporary support frame descends through a connecting mechanism;
s32: continuing to dismantle the temporary support frame positioned at the lower side until the temporary support frame is completely dismantled;
s4: and finally, the temporary support frame is completely removed, so that the connecting mechanism is disconnected with 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 be connected steelframe and interim support frame through the rope, and constructor passes through motor drive wind-up roll and rotates, can make interim support frame hang on the steelframe and vertical removal, and constructor can gradually make interim support frame decline at the in-process of demolishing interim support frame to conveniently demolish work.
In summary, the beneficial technical effects of the application are:
1. through setting up coupling mechanism on the temporary support frame, make coupling mechanism detachable connection on the steelframe, constructor hoist the steelframe behind the temporary support frame through the loop wheel machine, can connect coupling mechanism on the steelframe, temporary support frame and steelframe are connected this moment, when temporary support frame collapses or collapse, the steelframe is through coupling mechanism hoist temporary support frame, can reduce constructor's work danger, through installing the temporary support frame on the steelframe, constructor can dismantle the lower bottom of temporary support frame after the steelframe is fixed on the building main part, and then make the temporary support frame hoist on the steelframe, constructor can dismantle the temporary support frame on subaerial this moment, reduce constructor's step of carrying out high altitude construction, can make things convenient for constructor transportation to dismantle the temporary support frame that has been dismantled, the construction safety of temporary support frame has been promoted;
2. the supporting mechanism is arranged on the temporary supporting frame, so that the jack supports the upper abutting plate, constructors can adjust the gap between the upper abutting plate and the lower abutting plate by controlling the jack to lift, when the 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 fine-tuning the steel frame by the constructors 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 control wind-up roll was released the rope, and then makes interim support frame can be relative steelframe vertical movement, and constructor gradually dismantles interim support frame and makes interim support frame move down, makes things convenient for constructor to dismantle interim support frame's lower extreme.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present application.
Fig. 2 is a schematic diagram 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 diagram of a connection structure of the temporary support frame and the support mechanism according to the embodiment of the present application.
Reference numerals: 1. a steel frame; 2. a temporary support frame; 3. a support mechanism; 31. an upper abutment plate; 311. a first connecting piece; 32. a lower abutment plate; 321. a second connecting piece; 33. a jack; 34. a connecting rope; 4. a connecting mechanism; 41. a mounting plate; 42. a wind-up roll; 43. a motor; 44. a rope; 441. a hook.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-4.
The embodiment of the application discloses a steel truss installation structure. Referring to fig. 1, the temporary support frame comprises a steel frame 1 and a temporary support frame 2, wherein the steel frame 1 is provided with a plurality of steel frames, and the steel frame 1 is connected with each other by a plurality of metal rods and spliced into a columnar structure. The steel frame 1 is used for being horizontally installed on a building main body. The plurality of steel frames 1 are mutually fixedly connected to form a beam body, constructors horizontally install the steel frames 1 at the top of a building, so that the steel frames 1 can play a role in supporting the beam, and the structural strength of the building is improved.
Referring to fig. 1, a plurality of temporary supporting frames 2 are provided, the temporary supporting frames 2 are vertically disposed on the ground, and the temporary supporting frames 2 are detachably connected to each other using metal bars and are spliced to form a column. The constructor installs temporary support frame 2 subaerial, hoists steelframe 1 on temporary support frame 2, makes temporary support frame 2 support steelframe 1, and constructor is steelframe 1 fixed connection on the building main part. Through setting up a plurality of temporary support frames 2 on ground, the probability that steelframe 1 receives gravity effect deformation when can reducing hoist and mount and installation steelframe 1, make things convenient for constructor to align two adjacent steelframe 1 tip, 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, and the support mechanism 3 includes an upper abutment plate 31, a lower abutment plate 32, and a plurality of jacks 33, the upper abutment plate 31 and the lower abutment plate 32 being of a flat plate structure, the jacks 33 being disposed between the upper abutment plate 31 and the lower abutment plate 32. The jacks 33 are uniformly distributed on the lower abutting plate 32 and are fixed on the lower abutting plate 32 through bolts, and the jacks 33 are used for supporting the upper abutting plate 31, so that the space between the upper abutting plate 31 and the lower abutting plate 32 is convenient for constructors to control. The lower abutting plate 32 is detachably connected to the top end of the temporary supporting frame 2 through bolts, and the upper abutting plate 31 abuts against the lower side of the steel frame 1. Constructor stretches out and draws back through control jack 33, reaches the effect in control upper butt plate 31 and lower butt plate 32 clearance, and then when making steelframe 1 hoist and mount on temporary support frame 2, the tip of steelframe 1 can be aligned with adjacent steelframe 1 tip, makes things convenient for constructor to install and connect steelframe 1's work.
Referring to fig. 2 and 4, a plurality of first connectors 311 are disposed on the upper abutting plate 31, the first connectors 311 are disposed on the outer sidewall of the upper abutting plate 31 at equal intervals, a plurality of second connectors 321 are disposed on the lower abutting plate 32, and the second connectors 321 are disposed on the outer sidewall of the lower abutting plate 32 at equal intervals. The first connecting piece 311 and the second connecting piece 321 are in one-to-one correspondence, a connecting rope 34 is arranged between each first connecting piece 311 and each second connecting piece 321, one end of the connecting rope 34 is fixedly connected to the first connecting piece 311, and the other end of the connecting rope 34 is fixedly connected to the second connecting piece 321. The connecting rope 34 has elasticity, the limit length of the connecting rope 34 after extension is larger than the limit length of the jack 33 after extension, and the connecting rope 34 connects the upper abutting plate 31 and the lower abutting plate 32, so that the probability of the upper abutting plate 31 and the lower abutting plate 32 being disconnected is reduced.
Referring to fig. 2 and 3, the supporting mechanism 3 is provided with a connecting mechanism 4, and the connecting mechanism 4 is detachably connected with the steel frame 1. Constructor is through connecting coupling mechanism 4 on steelframe 1, can make interim support frame 2 and supporting mechanism 3 connect on steelframe 1, and constructor demolishs the downside of interim support frame 2 after, and remaining interim support frame 2 hangs on steelframe 1 through coupling mechanism 4. The steelframe 1 plays the effect of lifting temporary support frame 2, and constructor can demolish temporary support frame 2 from bottom to top, and constructor is located subaerial when demolishing, promotes the security and the convenience of construction.
Referring to fig. 3, the connection mechanism 4 is provided in plurality, and the connection mechanism 4 includes a mounting plate 41, a wind-up roller 42, a motor 43, and a rope 44, the mounting plate 41 being fixed to the upper abutment plate 31 or the lower abutment plate 32, and in this embodiment, the mounting plate 41 being fixed to the lower abutment plate 32. A plurality of mounting plates 41 are arranged on the side wall of the lower abutting plate 32 at equal intervals, each mounting plate 41 is rotationally connected with a winding roller 42, one end of a rope 44 is fixed on the winding roller 42, and the other end of the rope 44 is used for being connected with the steel frame 1. The motor 43 is set as 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 wind-up roll 42. The constructor demolishs the lower extreme of interim support frame 2, makes interim support frame 2 hang after on steelframe 1, through control motor 43 action, can make rope 44 follow wind-up roll 42 and emit, and then makes interim support frame 2 move down relative steelframe 1, makes things convenient for constructor to dismantle interim support frame 2 subaerial step by step.
Referring to fig. 3 and 4, a hook 441 is mounted on an end of the rope 44 away from the wind-up roller 42, and the hook 441 is used for being hung on the steel frame 1, so that the connection mechanism 4 is detachably connected with the steel frame 1. The supporting mechanism 3 is provided with four or more connecting mechanisms 4, the connecting mechanisms 4 are divided into two groups, the quantity of each group of connecting mechanisms 4 is the same, each group of connecting mechanisms 4 is respectively arranged on one side of the steel frame 1, when the temporary supporting frame 2 is hung on the steel frame 1, the gravity center of the temporary supporting frame 2 is always kept on the same vertical line, so that the probability of the temporary supporting frame 2 shifting when the temporary supporting frame 2 is separated from the ground is reduced, and the safety of the temporary supporting frame 2 is improved for constructors.
The implementation principle of the embodiment of the application is as follows: through installing interim support frame 2 subaerial, make interim support frame 2 be used for supporting the steelframe 1 of hoist and mount, and then reduce the probability that steelframe 1 produced the amount of deflection in the installation, through set up supporting mechanism 3 at the tip of interim support frame 2, constructor passes through adjustment jack 33, can control hoist and mount to the position of steelframe 1 on the interim support frame 2, and then conveniently make the tip of steelframe 1 align with adjacent steelframe 1 tip, convenient construction, through set up coupling mechanism 4 on interim support frame 2, make interim support frame 2 can hang on steelframe 1 through coupling mechanism 4, constructor can demolish the interim support frame 2 that is located the downside, make interim support frame 2 break away from with ground and be connected, constructor discharges rope 44 through control wind-up roll 42, and then make interim support frame 2 descend, constructor can dismantle interim support frame 2 step by step subaerial, promote the security of dismantling work.
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: the jack 33 is controlled to stretch and retract, the steel frame 1 is hoisted on the temporary supporting frame 2, the connecting mechanism 4 is connected to the steel frame 1, and the steel frame 1 is installed;
s3: removing the temporary support frame 2 positioned at the lower side, so that the temporary support frame 2 is hung on the steel frame 1 through the connecting mechanism 4;
s4: and (3) removing the temporary support frame 2 from bottom to top, and finally completely removing the temporary support frame 2 to disconnect the connecting mechanism 4 from the steel frame 1.
Still further, step S3 includes:
s31: removing the temporary support frame 2 positioned at the lower side, driving the wind-up roller 42 to pay out the rope 44 through the motor 43, and enabling the temporary support frame 2 to descend through the connecting mechanism 4;
s32: the removal of the temporary support 2 located at the lower side is continued until the temporary support 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 after steelframe 1 is fixed, constructor demolish interim support frame 2 downside at first, can make interim support frame 2 break away from with ground and be connected, constructor is under construction subaerial, more convenient and safety, constructor gradually moves down through control interim support frame 2, can conveniently demolish interim support frame 2 that is located the downside, and then promotes construction speed and security.
The embodiments of the present invention are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (6)
1. A steel truss mounting structure, characterized in that: including steelframe (1) and interim support frame (2), the connection forms the cylinder in detachable mutually interim support frame (2), the vertical setting of interim support frame (2) is subaerial, steelframe (1) is through hoist and mount setting on interim support frame (2), interim support frame (2) are used for supporting steelframe (1), steelframe (1) are used for fixing on building main part, install coupling mechanism (4) on interim support frame (2), coupling mechanism (4) are used for making interim support frame (2) hang and establish on steelframe (1), be provided with supporting mechanism (3) on the one end of keeping away from ground on interim support frame (2), supporting mechanism (3) are including last butt plate (31), lower butt plate (32) and a plurality of jack (33), the one end of keeping away from ground on interim support frame (2), jack (33) one end is fixed on lower butt plate (32), the other end and last butt plate (31) butt, last butt plate (31) are used for supporting (1), jack (33) are used for supporting and are used for adjusting and are provided with supporting mechanism (42) on one end of ground, and are connected between (41) including mounting panel (41) down, the jack (32) is used for adjusting the gap between jack (41) The motor (43) and rope (44), mounting panel (41) are fixed on supporting mechanism (3), wind-up roll (42) rotate and connect on mounting panel (41), rope (44) one end is fixed on wind-up roll (42), the other end is used for dismantling with steelframe (1) and is connected, motor (43) set up to the auto-lock motor, and the casing of motor (43) is fixed on mounting panel (41), the output shaft and the wind-up roll (42) coaxial coupling of motor (43).
2. A steel truss mounting structure according to claim 1, wherein: be provided with a plurality of connecting piece (311) on last butt joint board (31), be provided with a plurality of connecting piece two (321) on lower butt joint board (32), the position one-to-one of connecting piece (311) and connecting piece two (321) is provided with connecting rope (34) between connecting piece one (311) and connecting piece two (321), sets up one connecting rope (34) on every connecting piece one (311), connecting rope (34) one end is fixed on connecting piece one (311), and the other end is fixed on connecting piece two (321), and the length of connecting rope (34) is greater than the length that jack (33) stretched to the limit.
3. A steel truss mounting structure according to claim 1, wherein: a hook (441) is arranged at one end of the rope (44) far away from the winding roller (42).
4. A steel truss mounting structure according to claim 1, wherein: the connecting mechanisms (4) are arranged in a plurality, the connecting mechanisms (4) are divided into two groups, and each group of connecting mechanisms (4) is arranged on one side of the steel frame (1).
5. The step unloading method of the steel truss installation structure according to claim 2, 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: the jack (33) is controlled to stretch, the steel frame (1) is hoisted on the temporary supporting frame (2), the connecting mechanism (4) is connected to the steel frame (1), and the steel frame (1) is installed;
s3: removing the temporary support frame (2) positioned at the lower side, so that the temporary support frame (2) is hung on the steel frame (1) through the connecting mechanism (4);
s4: and (3) removing the temporary support frame (2) from bottom to top, and finally completely removing the temporary support frame (2) to disconnect the connecting mechanism (4) from the steel frame (1).
6. The step unloading method of the steel truss installation structure according to claim 1, 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: the jack (33) is controlled to stretch, the steel frame (1) is hoisted on the temporary supporting frame (2), the connecting mechanism (4) is connected to the steel frame (1), and the steel frame (1) is installed;
s31: removing the temporary support frame (2) positioned at the lower side, driving the winding roller (42) to pay out the rope (44) through the motor (43), and enabling the temporary support frame (2) to descend through the connecting mechanism (4);
s32: continuing to dismantle the temporary support frame (2) positioned at the lower side until the temporary support frame (2) is completely dismantled;
s4: and (3) removing the temporary support frame (2) from bottom to top, and finally completely removing the temporary support frame (2) to disconnect the connecting mechanism (4) 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 |
|---|---|---|---|
| CN202210384177.0A CN114776038B (en) | 2022-04-13 | 2022-04-13 | Steel truss installation structure and step unloading method thereof |
Publications (2)
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| CN114776038A (en) | 2022-07-22 |
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