CN112324160A - Temporary support frame for mounting assembly lattice type steel structure and use method - Google Patents
Temporary support frame for mounting assembly lattice type steel structure and use method Download PDFInfo
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- CN112324160A CN112324160A CN202011271234.1A CN202011271234A CN112324160A CN 112324160 A CN112324160 A CN 112324160A CN 202011271234 A CN202011271234 A CN 202011271234A CN 112324160 A CN112324160 A CN 112324160A
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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
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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
Abstract
The invention relates to a temporary support frame for mounting an assembly lattice type steel structure and a using method thereof, wherein the temporary support frame comprises a base section, a standard section, an adjusting section inner section, an adjusting section outer section, an adjusting top support and a jack for unloading; the base section comprises base section column limbs, base section batten strips and base section beam rods; the standard section comprises standard section column limbs, standard section batten strips and standard section beam rods; the adjusting section inner section comprises an adjusting section inner section column limb, an adjusting section inner section batten and an adjusting section inner section beam rod. The invention overcomes the defects of the prior art and the device, saves the construction space, has short erection time and high repeated utilization rate; the lattice type section has light weight, high bearing capacity and convenient and fast hoisting; each group of sections can be flexibly assembled according to actual requirements, and the installation is convenient; through a plurality of height adjustment device, ensure steel construction installation elevation to can satisfy the complicated steel construction installation of variable elevation, make things convenient for the uninstallation operation after the steel construction installation.
Description
Technical Field
The invention relates to a temporary support frame for mounting an assembled lattice type steel structure and a use method thereof, which are used for temporarily supporting the steel structure in the high-altitude mounting construction process of a conventional or special-shaped steel structure, reduce the material consumption and the erection time of the temporary support frame for mounting, effectively control the mounting precision of the steel structures with different elevations, facilitate the unloading operation after the steel structures are mounted, and belong to the field of constructional engineering.
Background
The building steel structure has various forms and attractive appearance, and is widely applied to large public buildings. Along with the improvement of the construction technology, steel structure forms with larger installation and construction difficulty, such as special-shaped columns, variable elevation space trusses, large-span trusses and the like, appear. The temporary support frame for mounting the steel structure has two conventional construction methods, namely, a full scaffold is erected, the erection period is long, the turnover material consumption is large, and particularly for a spatial structure with a large plane size, the scaffold needs to be erected in the whole construction range to ensure the mounting of the steel structure; and secondly, a plurality of independent supporting rigid frames are erected, the material consumption of the temporary supporting frame is reduced, each rigid frame needs to be manufactured on site according to the standard height of the supporting point, the construction operation is large, the reusability is poor, and the error generated in the erecting process of the supporting frame cannot be eliminated through secondary adjustment of the erecting height.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a temporary support frame for mounting a lattice type steel structure and a using method thereof.
The invention aims to realize the temporary support frame for mounting the assembly lattice type steel structure, which is characterized in that: comprises a base section, a standard section, an adjusting section inner section, an adjusting section outer section, an adjusting top support and an unloading jack;
the base section comprises a base section column limb, a base section batten and a base section beam rod, the base section column limb and the base section column limb are fixed through the base section beam rod, one end of the base section beam rod is fixed on the base section column limb, and the other end of the base section beam rod is fixed on the other base section column limb; the base section batten is fixed between the base section column limb and the base section column limb, and the base section batten and the base section column limb are obliquely arranged in the direction; the top of the base joint column limb is provided with a base joint positioning key groove, the side edge of the upper part of the base joint column limb is provided with a base joint bolt sleeve, the bottom of the base joint column limb is provided with a base joint base plate, and the base joint base plate is fixed on a foundation so that the base joint is fixed on the foundation;
the standard joint comprises a standard joint column limb, a standard joint batten and a standard joint beam rod, the standard joint column limb and the standard joint column limb are fixed through the standard joint beam rod, one end of the standard joint beam rod is fixed on the standard joint column limb, and the other end of the standard joint beam rod is fixed on the other standard joint column limb; the standard joint batten is fixed between the standard joint column limb and the standard joint column limb, and the standard joint column limb are obliquely arranged in directions; the top of the standard joint column limb is provided with a standard joint positioning key groove, and the bottom of the standard joint column limb is provided with a standard joint positioning key; the side edge of the upper part of the standard joint column limb is provided with a standard joint upper bolt sleeve, the side edge of the lower part of the standard joint column limb is provided with a standard joint lower bolt sleeve, and a standard joint bolt penetrates through the standard joint lower bolt sleeve;
the standard knot is arranged at the upper part of the base knot, a standard knot positioning key of the standard knot is aligned to a base knot positioning key groove of the base knot, and the standard knot positioning key is arranged in the base knot positioning key groove; the standard knot bolt sequentially penetrates through a standard knot lower bolt sleeve of the standard knot and a base knot bolt sleeve of the base knot, and a standard knot nut is screwed at one end of the standard knot bolt penetrating through the standard knot lower bolt sleeve and the base knot bolt sleeve, so that the standard knot is fixed on the base knot;
the adjusting joint inner section comprises an adjusting joint inner section column limb, an adjusting joint inner section batten and an adjusting joint inner section cross beam rod, the adjusting joint inner section column limb and the adjusting joint inner section column limb are fixed through the adjusting joint inner section cross beam rod, one end of the adjusting joint inner section cross beam rod is fixed on the adjusting joint inner section column limb, and the other end of the adjusting joint inner section cross beam rod is fixed on the other adjusting joint inner section column limb; the adjusting section inner section batten is fixed between the adjusting section inner section column limb and the adjusting section inner section column limb, and the adjusting section inner section batten and the adjusting section inner section column limb are obliquely arranged in directions; the bottom of the inner section column limb of the adjusting section is provided with an inner section positioning key of the adjusting section, the side edge of the lower part of the inner section column limb of the adjusting section is provided with an inner section bolt sleeve of the adjusting section, and an inner section bolt of the adjusting section is penetrated in the inner section bolt sleeve of the adjusting section; a plurality of adjusting joint inner joint height adjusting holes are uniformly distributed on the side surface of the adjusting joint inner joint column limb;
the adjusting section inner section is arranged at the upper part of the standard section, the adjusting section inner section positioning key is aligned to the standard section positioning key groove at the top of the standard section, and the adjusting section inner section positioning key is arranged in the standard section positioning key groove; the adjusting inner-section bolt sequentially penetrates through an adjusting inner-section bolt sleeve of the adjusting inner section and a standard section upper bolt sleeve of the standard section, and an adjusting inner-section nut is screwed at one end of the adjusting inner-section bolt, which penetrates through the adjusting inner-section bolt sleeve and the standard section upper bolt sleeve, so that the adjusting inner section is fixed on the standard section;
the adjusting section outer section comprises an adjusting section outer section column limb, an adjusting section outer section batten, an adjusting section outer section beam rod and a base plate, the adjusting section outer section column limb and the adjusting section outer section column limb are fixed through the adjusting section outer section beam rod, one end of the adjusting section outer section beam rod is fixed on the adjusting section outer section column limb, and the other end of the adjusting section outer section beam rod is fixed on the other adjusting section outer section column limb; the adjusting section outer section batten is fixed between the adjusting section outer section column limb and the adjusting section outer section column limb, and the adjusting section outer section batten and the adjusting section outer section column limb are obliquely arranged in directions; a plurality of adjusting section outer section height adjusting holes are uniformly distributed on the side surface of the adjusting section outer section column limb; the base plate is fixed at the top of the outer section of the adjusting section, a plurality of jack fixing holes and a plurality of top support fixing holes are formed in the base plate, and threads are arranged on the inner sides of the jack fixing holes and the top support fixing holes;
the adjusting joint outer joint is sleeved on the adjusting joint inner joint, the adjusting joint outer joint can move on the adjusting joint inner joint, and the lifting height is adjusted; the height adjusting bolts penetrate through adjusting section inner section height adjusting holes on corresponding adjusting section inner sections and adjusting section outer section height adjusting holes on corresponding adjusting section outer sections, and height adjusting nuts are screwed and fastened at one ends of the height adjusting bolts penetrating through the adjusting section inner section height adjusting holes and the adjusting section outer section height adjusting holes for fastening, so that the adjusting section outer sections are fixed on the adjusting section inner sections;
the adjusting top support comprises a base cylinder and a ball, wherein a rotating nut is arranged in the base cylinder and is arranged in the base cylinder, a base cylinder groove is formed in the inner wall of the base cylinder, a rotating nut groove is formed in the outer wall of the rotating nut, the ball is embedded between the base cylinder groove and the rotating nut groove, and the up-and-down displacement of the rotating nut is restrained, so that the rotating nut can only rotate in the base cylinder and cannot move up and down; a lifting screw rod is screwed in the rotary nut, and a U-shaped jacking is fixed at the top of the lifting screw rod; a pillow block is supported on the U-shaped jacking; rotating the rotating nut to drive the lifting screw rod to move up and down in the rotating nut, so that the U-shaped jacking and the pillow block supported on the U-shaped jacking are driven to move up and down; the bottom of the base cylinder is provided with an adjusting top support base plate, and the adjusting top support base plate is provided with a plurality of adjusting top support fixing holes;
the adjusting top support is arranged on the base plate of the adjusting section outer section and is also provided with a fixing bolt, and the fixing bolt is screwed in the adjusting top support fixing hole and the top support fixing hole so that the adjusting top support is fixed on the base plate and is fixed at the top of the adjusting section outer section;
the jack for unloading comprises a jack and a jack base plate, wherein a placing groove is formed in the middle of the jack base plate, the jack is placed in the placing groove of the jack base plate, and the shape of the placing groove is consistent with that of the bottom of the jack; the jack base plate is provided with a plurality of jack fixing holes and jack fixing bolts, and the jack fixing bolts are screwed in the jack fixing holes and the jack fixing holes so that the jack base plate is fixed on the base plate; so that the unloading jack is fixed on the top of the outer section of the adjusting section.
The base section column limb, the base section batten, the base section beam rod, the standard section column limb, the standard section batten, the standard section beam rod, the adjusting section inner section column limb, the adjusting section inner section batten, the adjusting section inner section beam rod, the adjusting section outer section column limb, the adjusting section outer section batten and the adjusting section outer section beam rod are steel pipes, angle steels or channel steels.
A base section stiffening plate is fixed between the base section column limb and the base section base plate, and the base section column limb and the base section base plate are reliably connected through the base section stiffening plate.
And an adjusting section outer section batten plate is arranged at the structural corner of the adjusting section outer section.
The base joint fixing bolt penetrates through the base joint fixing hole and is screwed and fixed on the foundation, so that the base joint base plate is fixed on the foundation.
And a force application hole is formed in the side surface of the rotary nut, and the rotary nut is rotated by applying force to the force application hole.
An adjusting top support stiffening plate is arranged between the base cylinder and the adjusting top support base plate and is used for adjusting the rigidity between the base cylinder and the adjusting top support base plate; the adjusting top support base plate is fixed with the bottom of the base cylinder, and the diameter of the adjusting top support base plate is larger than the outer diameter of the base cylinder.
A use method of a temporary support frame for mounting an assembly lattice type steel structure is characterized by comprising the following steps: the method comprises the following steps:
step 1), construction preparation: before the steel structure C is installed and constructed, the plane arrangement and the erection height of a temporary support frame are respectively determined according to a construction scheme, wherein the temporary support frame comprises a temporary support frame A and a temporary support frame B, and a plurality of temporary support frames can be arranged; after the on-site measurement and paying off, selecting a proper temporary support frame foundation form to complete foundation preparation work;
step 2), mounting of base sections: according to the plane arrangement scheme of the temporary support frame, lifting the base section to a specified position, and fixing the base section and the foundation by enabling a base section fixing bolt to penetrate through a base section fixing hole; the foundation bolt or the high-strength bolt is selected by the base section fixing bolt according to a foundation form, so that the connection reliability is ensured;
step 3), hoisting a standard knot: determining the number of required standard knots according to the building height of the temporary support frame; during hoisting, hoisting a standard knot to a position 200-500 mm above the positioning key groove of the installed base knot by using a hoisting tool, slightly pausing, and slowly dropping after the swing is reduced until the positioning key of the standard knot is completely inserted into the positioning key groove of the base knot; using a standard knot bolt, sequentially penetrating through a standard knot lower bolt sleeve and a base knot bolt sleeve, and fastening by using a standard knot nut; after all sides are fastened, the lifting appliance is unfastened, and the installation of one standard section is completed; when the standard time saving is required to be continuously installed, continuing to the step 3-1), and when the standard time saving is not required to be continuously installed, directly entering the step 4);
step 3-1), hoisting a new standard knot to a position 200-500 mm above an installed standard knot by a lifting appliance, pausing slightly, and slowly dropping after the swing is reduced until the standard knot positioning key of the upper standard knot is completely inserted into the standard knot positioning key groove of the lower standard knot; using a standard knot bolt, sequentially penetrating through a standard knot lower bolt sleeve of an upper standard knot and a standard knot upper bolt sleeve of a lower standard knot, and fastening by using a standard knot nut; after all sides are fastened, the lifting appliance is unfastened, and the installation of a new section of standard knot is completed;
when the standard time saving is required to be continuously installed, continuously repeating the step 3-1), and when the standard time saving is not required to be continuously installed, directly entering the step 4);
step 4), hoisting and adjusting the joint: determining the depth of the inner section of the adjusting section sleeved into the outer section of the adjusting section according to the height of the temporary support frame, and preliminarily adjusting the elevation of the whole support frame; before the adjusting section is hoisted, the assembling of the inner section and the outer section of the adjusting section is completed on the ground, and a height adjusting bolt sequentially penetrates through a height adjusting hole of the outer section of the adjusting section and a height adjusting hole of the inner section of the adjusting section and is fastened by a height adjusting nut; during hoisting, hoisting the adjusting section to a position 200-500 mm above the installed section by a hoisting tool, slightly pausing, and slowly dropping after the swing is reduced until the positioning key of the inner section of the adjusting section is completely inserted into the positioning key groove of the standard section; using an adjusting inner bolt, sequentially passing through an adjusting inner bolt sleeve and a standard upper bolt sleeve, and fastening by using an adjusting inner nut; after all sides are fastened, the lifting appliance is unfastened, and the installation of the adjustment joint is completed;
step 5), installing and adjusting a top support: arranging 1 or a plurality of adjusting top braces according to the structural form and elevation of the supported steel structure; fixing bolts sequentially penetrate through the adjusting top support fixing holes and the top support fixing holes and are fixed on the base plate; rotating the rotating nut to lift the pillow block to a specified elevation; repeating the above steps, and sequentially installing the required adjusting top supports to complete the erection of the temporary support frame A;
step 6), repeating the steps 2) -5) to finish the erection of the temporary support frame B and other required temporary support frames;
step 7), installing a steel structure: according to safety and quality regulations in a steel structure hoisting scheme, a steel structure C is stably hoisted to support frame pillow blocks, and the lifting is adjusted by rotating a rotating nut, so that the accurate installation elevation of the steel structure C is ensured; after hoisting in place, carrying out steel structure installation and butt joint operation;
step 8), unloading the support frame: after the steel structure is installed, selecting whether a jack unloading mode is adopted or not according to the installed steel structure condition and an unloading scheme; for a steel structure with a simple structure form and a small load, the rotary nut is rotated to lower the height of the top support, and unloading operation is completed; when the jack or other unloading devices are used, the jack fixing bolt sequentially penetrates through the jack fixing hole and the jack fixing hole, and the jack base plate is fixed on the base plate; selecting a jack with a proper range to be placed on a jack base plate, enabling a lifting jack to be in contact with the bottom end of an installed steel structure C, lowering the height of a top support by rotating a rotary nut to complete support change, and then achieving unloading operation through the jack;
step 9), dismantling the support frame: after the support frame is unloaded, removing the adjusting top support and the unloading jack, and sequentially lifting the adjusting section, the standard section and the base section to a specified place;
step 10), turnover of a support frame: according to the height of the temporary support frame, the number of the standard sections and the depth of the inner section of the adjusting section sleeved into the outer section of the adjusting section are determined again; re-determining and adjusting the number and height of the top supports according to the structural form and elevation of the supported steel structure; and (5) setting up the support frame again according to the step 2), and putting the support frame into the next construction section for use.
The rotary nut is rotated by applying force to the force applying hole.
The temporary support frame for mounting the lattice type steel structure and the using method thereof have the advantages that the structure is reasonable, the method is advanced and scientific, the defects of the prior art and the device are overcome, the construction space is saved, the erection time is short, and the repeated utilization rate is high; the lattice type section has light weight, high bearing capacity and convenient and fast hoisting; each group of sections can be flexibly assembled according to actual requirements, and the installation is convenient; through a plurality of height adjustment device, ensure steel construction installation elevation to can satisfy the complicated steel construction installation of variable elevation, make things convenient for the uninstallation operation after the steel construction installation.
Drawings
FIG. 1 is a schematic view of a temporary support frame according to the present invention;
FIG. 2 is a schematic view of a base segment;
FIG. 3 is a schematic diagram of a standard knot structure;
FIG. 4 is a schematic view of an inner section structure of an adjusting section;
FIG. 5 is a schematic view of an outer segment structure of an adjustment segment;
FIG. 6 is a schematic view of an adjustable top brace;
FIG. 7 is a schematic partial cross-sectional view of an adjusting jack;
FIG. 8 is a schematic view of the unloading jack;
FIG. 9 is a schematic view of a method of use of the present invention;
in the figure: 1 base section, 2 standard section, 3 adjusting section inner section, 4 adjusting section outer section, 5 adjusting top support, 6 unloading jack, 11 base section column, 12 base section batten, 13 base section positioning key slot, 14 base section bolt sleeve, 15 base section base plate, 16 base section stiffening plate, 17 base section fixing bolt, 18 base section fixing hole, 19 base section beam rod, 21 standard section column, 22 standard section batten, 23 standard section upper bolt sleeve, 24 standard section positioning key slot, 25 standard section positioning key, 26 standard section lower bolt sleeve, 27 standard section bolt, 28 standard section nut, 29 standard section beam rod, 31 adjusting section inner section column, 32 adjusting section inner section batten, 33 adjusting section inner section positioning key, 34 adjusting section inner section height adjusting hole, 35 height adjusting bolt, 36 height adjusting nut, 37 adjusting section inner section bolt sleeve, 38 adjusting section inner section bolt sleeve, 39 adjusting section inner section nuts, 40 adjusting section inner section beam rods, 41 adjusting section outer section column limbs, 42 adjusting section outer section batten strips, 43 adjusting section outer section batten plates, 44 adjusting section outer section height adjusting holes, 45 cushion plates, 46 jack fixing holes, 47 jacking fixing holes, 48 adjusting section outer section beam rods, 51 pillow blocks, 52U-shaped jacking, 53 lifting screw rods, 54 rotating nuts, 55 stressing holes, 56 balls, 57 base cylinders, 58 fixing bolts, 59 adjusting jacking base plates, 510 adjusting jacking fixing holes, 511 adjusting jacking stiffening plates, 61 jacks, 62 jack base plates, 63 jack fixing bolts and 64 jack fixing holes.
Detailed Description
The invention is further described with reference to the accompanying drawings and the description thereof.
As shown in fig. 1, a temporary support frame for mounting an assembly lattice type steel structure consists of a base section 1, a standard section 2, an adjusting section inner section 3, an adjusting section outer section 4, an adjusting top support 5 and an unloading jack 6; the base joint 1 is used for reliably connecting the support frame with the foundation; a plurality of standard sections 2 are combined into a main body of the support frame to meet the requirement of construction height; the adjusting section inner section 3 and the adjusting section outer section 4 form an adjusting section for adjusting the height of the support frame, and the height of the support frame is preliminarily adjusted; the plurality of adjusting top braces 5 provide a supporting effect for the steel structure, and the stable supporting of the steel structures in various forms is met by changing the number and the respective heights of the adjusting top braces 5; the jack 6 for unloading is arranged at the unloading stage after the steel structure is installed, so that the unloading operation is convenient, and a proper unloading device can be selected according to the condition of the installed steel structure.
As shown in fig. 2, the base joint 1 includes a base joint column 11, a base joint batten 12, and a base joint beam rod 19, the base joint column 11 and the base joint column 11 are fixed by the base joint beam rod 19, one end of the base joint beam rod 19 is fixed on the base joint column 11, and the other end is fixed on the other base joint column 11; the base section batten 12 is fixed between the base section column limb 11 and the base section column limb 11, and the base section batten 12 and the base section column limb 11 are obliquely arranged in the direction; the top of the base section column limb 11 is provided with a base section positioning key groove 13, the side edge of the upper part of the base section column limb 11 is provided with a base section bolt sleeve 14, the bottom of the base section column limb 11 is provided with a base section base plate 15, and the base section base plate 15 is fixed on a foundation, so that the base section 1 is fixed on the foundation; a base section stiffening plate 16 is fixed between the base section column limb 11 and the base section base plate 15, and the base section column limb 11 and the base section base plate 15 are ensured to be reliably connected through the base section stiffening plate 16. The base section column limbs 11 and the base section batten strips 12 can be in various forms such as steel pipes, angle steels and channel steels, and are adjusted according to the requirement of integral rigidity, so that the safety and the stability of the whole support frame are ensured; the base joint positioning key groove 13 is positioned at the top of the column limb 11 and is used for aligning the upper joint; the base section bolt sleeve 14 is positioned at the upper part of the base section column limb 11 and is used for connecting and fixing the upper section assembly; the base section base plate 15 is fixed at the bottom of the base section column limb 11, and reliable connection is ensured through the base section stiffening plate 16; the base section fixing bolt 17 and the base section fixing hole 18 are used for fixing the base section and the foundation.
As shown in fig. 3, the standard knot 2 comprises a standard knot limb 21, a standard knot batten 22, a standard knot bolt sleeve 23, a standard knot positioning key slot 24, a standard knot positioning key 25, a standard knot bolt sleeve 26, a standard knot bolt 27 and a standard knot nut 28; the standard joint column 21 and the standard joint batten 22 can be in various forms such as steel pipes, angle steels, channel steels and the like, and are adjusted according to the requirement of integral rigidity, so that the safety and the stability of the whole support frame are ensured; the standard joint positioning key groove 24 and the standard joint positioning key 25 are respectively positioned at the top and the bottom of the standard joint column limb 21, and the sizes of the standard joint positioning key groove and the standard joint positioning key are mutually matched for aligning upper and lower sections; standard joint bolt sleeves 26 are arranged at the upper part and the lower part of the standard joint column limb 21, and standard joint bolts 27 penetrate through the standard joint bolt sleeves 26 and are fastened through standard joint nuts 28 for connecting and fixing upper and lower sections.
The standard joint 2 comprises a standard joint column limb 21, a standard joint batten 22 and a standard joint beam rod 29, the standard joint column limb 21 and the standard joint column limb 21 are fixed through the standard joint beam rod 29, one end of the standard joint beam rod 29 is fixed on the standard joint column limb 21, and the other end of the standard joint beam rod 29 is fixed on the other standard joint column limb 21; the standard joint batten 22 is fixed between the standard joint limb 21 and the standard joint limb 21, and the standard joint batten 22 and the standard joint limb 21 are obliquely arranged in the direction; the top of the standard joint column limb 21 is provided with a standard joint positioning key slot 24, and the bottom of the standard joint column limb 21 is provided with a standard joint positioning key 25; the side edge of the upper part of the standard joint column limb 21 is provided with a standard joint upper bolt sleeve 23, the side edge of the lower part of the standard joint column limb 21 is provided with a standard joint lower bolt sleeve 26, and a standard joint bolt 27 penetrates through the standard joint lower bolt sleeve 26;
the standard knot 2 is arranged at the upper part of the base knot 1, a standard knot positioning key 25 of the standard knot 2 is aligned with the base knot positioning key groove 13 of the base knot 1, and the standard knot positioning key 25 is arranged in the base knot positioning key groove 13; the standard knot bolt 27 sequentially penetrates through the standard knot lower bolt sleeve 26 of the standard knot 2 and the base knot bolt sleeve 14 of the base knot 1, and one end, penetrating through the standard knot lower bolt sleeve 26 and the base knot bolt sleeve 14, of the standard knot bolt 27 is screwed with a standard knot nut 28, so that the standard knot 2 is fixed on the base knot 1.
As shown in fig. 4, the adjusting section inner section 3 includes an adjusting section inner section column 31, an adjusting section inner section batten 32, an adjusting section inner section positioning key 33, an adjusting section inner section height adjusting hole 34, an adjusting section inner section height adjusting bolt 35, an adjusting section inner section height adjusting nut 36, an adjusting section inner section bolt sleeve 37, an adjusting section inner section bolt 38, and an adjusting section inner section nut 39; the adjusting section inner section column limb 31 and the adjusting section inner section batten 32 can be in various forms such as steel pipes, angle steels, channel steels and the like, adjustment is carried out according to the requirement of integral rigidity, and the safety and the stability of the whole support frame are guaranteed; the adjusting joint inner joint positioning key 33 is positioned at the bottom of the adjusting joint inner joint column limb 31 and is used for aligning the upper and lower joint groups; a plurality of height adjusting bolts 35 pass through the height adjusting holes 34 of the inner section of the adjusting section and the height adjusting holes 44 of the outer section of the adjusting section 4, are fastened through height adjusting nuts 36 and are used for further adjusting the height of the support frame; the adjusting joint inner section bolt sleeve 37 is positioned at the lower part of the adjusting joint inner section column limb 31, and the adjusting joint inner section bolt 38 passes through the adjusting joint inner section bolt sleeve 37 and is fastened through the adjusting joint inner section nut 39 for connecting and fixing with the lower section assembly.
The adjusting joint inner section 3 comprises an adjusting joint inner section column limb 31, an adjusting joint inner section batten 32 and an adjusting joint inner section beam rod 40, the adjusting joint inner section column limb 31 and the adjusting joint inner section column limb 31 are fixed through the adjusting joint inner section beam rod 40, one end of the adjusting joint inner section beam rod 40 is fixed on the adjusting joint inner section column limb 31, and the other end of the adjusting joint inner section beam rod is fixed on the other adjusting joint inner section column limb 31; the adjusting section inner section batten 32 is fixed between the adjusting section inner section column limb 31 and the adjusting section inner section column limb 31, and the adjusting section inner section batten 32 and the adjusting section inner section column limb 31 are obliquely arranged in the direction; an adjusting joint inner joint positioning key 33 is arranged at the bottom of the adjusting joint inner joint column limb 31, an adjusting joint inner joint bolt sleeve 37 is arranged on the side edge of the lower part of the adjusting joint inner joint column limb 31, and an adjusting joint inner joint bolt 38 penetrates through the adjusting joint inner joint bolt sleeve 37; a plurality of adjusting joint inner joint height adjusting holes 34 are uniformly distributed on the side surface of the adjusting joint inner joint column limb 31.
The adjusting section inner section 3 is arranged at the upper part of the standard section 2, the adjusting section inner section positioning key 33 is aligned to the standard section positioning key groove 24 at the top of the standard section 2, and the adjusting section inner section positioning key 33 is arranged in the standard section positioning key groove 24; the adjusting inner bolt 38 passes through the adjusting inner bolt sleeve 37 of the adjusting inner section 3 and the standard section upper bolt sleeve 23 of the standard section 2 in sequence, and an adjusting inner nut 39 is screwed at one end of the adjusting inner bolt 38, which passes through the adjusting inner bolt sleeve 37 and the standard section upper bolt sleeve 23, so that the adjusting inner section 3 is fixed on the standard section 2.
As shown in fig. 5, the adjusting section outer section 4 includes an adjusting section outer section column 41, an adjusting section outer section batten 42, an adjusting section outer section batten 43, an adjusting section outer section height adjusting hole 44, a backing plate 45, a jack fixing hole 46, and a top support fixing hole 47; the adjusting section outer section column limb 41 and the adjusting section outer section batten strip 42 can be in various forms such as steel pipes, angle steels, channel steels and the like, adjustment is carried out according to the requirement of integral rigidity, and the safety and the stability of the whole support frame are guaranteed; the adjusting section outer section batten plate 43 is positioned at a structural corner, is used for enhancing the structural rigidity of the section combination, and is arranged and adjusted according to design requirements; a plurality of adjusting section outer section height adjusting holes 44 are uniformly distributed on the side surface of the adjusting section outer section column limb 41 and used for further adjusting the height of the supporting frame; the jack fixing holes 46 and the jack fixing holes 47 are located on the base plate 45, threads are arranged on the inner sides of the jack fixing holes, and the base plate 45 is fixed to the top of the adjusting section outer section 4 and used for being connected with the jack 6 for fixing and adjusting the jack 5 and unloading.
The adjusting section outer section 4 is also provided with an adjusting section outer section beam rod 48, the adjusting section outer section column limb 41 and the adjusting section outer section column limb 41 are fixed through the adjusting section outer section beam rod 48, one end of the adjusting section outer section beam rod 48 is fixed on the adjusting section outer section column limb 41, and the other end is fixed on the other adjusting section outer section column limb 41;
as shown in fig. 6, the adjusting top brace 5 includes a base cylinder 57 and a ball 56, a rotating nut 54 is arranged in the base cylinder 57, the rotating nut 54 is disposed in the base cylinder 57, a base cylinder groove is formed in the inner wall of the base cylinder 57, a rotating nut groove is formed in the outer wall of the rotating nut 54, the ball 56 is embedded between the base cylinder groove and the rotating nut groove, and the up-and-down displacement of the rotating nut 54 is restricted, so that the rotating nut 54 can only rotate in the base cylinder 57 and cannot move up-and-down; a lifting screw rod 53 is screwed in the rotating nut 54, and a U-shaped jacking 52 is fixed at the top of the lifting screw rod 53; a pillow block 51 is supported on the U-shaped top support 52; rotating the rotating nut 54 to drive the lifting screw rod 53 to move up and down in the rotating nut 54, so as to drive the U-shaped jacking 52 and the pillow block 51 supported on the U-shaped jacking 52 to move up and down; the bottom of the base barrel 57 is provided with an adjusting top bracing base plate 59, and the adjusting top bracing base plate 59 is provided with a plurality of adjusting top bracing fixing holes 510; adjusting the shore 5 and arranging in the backing plate 45 of the outer section 4 of the adjusting section, still being equipped with fixing bolt 58, fixing bolt 58 screws in adjusting shore fixing hole 510, shore fixing hole 47 for adjusting shore 5 and being fixed in on the backing plate 45, thereby adjusting shore 5 and being fixed in the top of the outer section 4 of the adjusting section. A biasing hole 55 is provided in a side surface of the swivel nut 54, and the swivel nut 54 is rotated by biasing the biasing hole 55. An adjusting top support stiffening plate 511 is arranged between the base cylinder 57 and the adjusting top support base plate 59 and is used for adjusting the rigidity between the base cylinder 57 and the adjusting top support base plate 59; the adjusting top support base plate 59 is fixed with the bottom of the base cylinder 57, and the diameter of the adjusting top support base plate 59 is larger than the outer diameter of the base cylinder 57.
As shown in fig. 8, the unloading jack includes a jack 61, a base plate 62, a fixing bolt 63, a fixing hole 64; the unloading jack 6 is used for unloading operation during steel structure installation, and whether the unloading jack is used or not can be selected according to the load condition and the unloading scheme, or various unloading devices can be replaced; the middle of the base 62 is provided with a groove for placing the jack 61, and the shape of the groove is consistent with that of the bottom of the jack 61; the fixing bolt 63 passes through the fixing hole 64 and the jack fixing hole 46, and fixes the unloading jack 6 to the pad 45.
The jack 6 for unloading comprises a jack 61 and a jack base plate 62, a placing groove is arranged in the middle of the jack base plate 62, the jack 61 is placed in the placing groove of the jack base plate 62, and the shape of the placing groove is consistent with the shape of the bottom of the jack 61; the jack base plate 62 is provided with a plurality of jack fixing holes 64 and jack fixing bolts 63, and the jack fixing bolts 63 are screwed in the jack fixing holes 64 and the jack fixing holes 46, so that the jack base plate 62 is fixed on the base plate 45; so that the unloading jack 6 is fixed to the top of the adjusting joint outer section 4.
A use method of a temporary support frame for mounting an assembly lattice type steel structure comprises the following steps:
step 1), construction preparation: before the steel structure C is installed and constructed, the plane arrangement and the erection height of a temporary support frame are respectively determined according to a construction scheme, and the temporary support frame comprises a temporary support frame A and a temporary support frame B; after the on-site measurement and paying off, selecting a proper temporary support frame foundation form to complete foundation preparation work;
step 2), mounting of the base section 1: lifting the base section 1 to a specified position according to the plane arrangement scheme of the temporary support frame, and fixing the base section 1 and a foundation by a base section fixing bolt 17 penetrating through a base section fixing hole 18; the foundation bolt 17 is a foundation bolt or a high-strength bolt according to the foundation form, so that the connection reliability is ensured;
step 3), hoisting the standard knot 2: determining the number of the required standard knots 2 according to the building height of the temporary support frame; during hoisting, hoisting a standard knot 2 to a position 200-500 mm above the installed base knot positioning key groove 13 by a hoisting tool, slightly pausing, and slowly dropping after swinging is reduced until the standard knot positioning key 25 is completely inserted into the base knot positioning key groove 13; using a standard knot bolt 27 to sequentially penetrate through a standard knot lower bolt sleeve 26 and the base knot bolt sleeve 14 and fastening by using a standard knot nut 28; after all sides are fastened, the lifting appliance is unfastened, and the installation of one section of standard knot 2 is completed; when the standard knot 2 is required to be continuously installed, continuing to the step 3-1), and when the standard knot 2 is not required to be continuously installed, directly entering the step 4);
step 3-1), hoisting a new section of standard knot 2 to a position 200-500 mm above the installed standard knot 2 by a lifting appliance, pausing slightly, and slowly dropping after the swing is reduced until the standard knot positioning key 25 of the upper standard knot 2 is completely inserted into the standard knot positioning key groove 24 of the lower standard knot 2; a standard knot bolt 27 sequentially penetrates through a standard knot lower bolt sleeve 26 of the upper standard knot 2 and a standard knot upper bolt sleeve 23 of the lower standard knot 2 and is fastened by a standard knot nut 28; after all sides are fastened, the lifting appliance is unfastened, and the installation of a new section of standard knot 2 is completed;
when the standard knot 2 is required to be continuously installed, continuously repeating the step 3-1), and when the standard knot 2 is not required to be continuously installed, directly entering the step 4);
step 4), hoisting and adjusting the joint: determining the depth of the inner section 3 of the adjusting section sleeved into the outer section 4 of the adjusting section according to the height of the temporary support frame, and preliminarily adjusting the elevation of the whole support frame; before the lifting of the adjusting section, the assembly of the inner section 3 and the outer section 4 of the adjusting section is completed on the ground, and a height adjusting bolt 35 sequentially penetrates through a height adjusting hole 44 of the outer section of the adjusting section and a height adjusting hole 34 of the inner section of the adjusting section and is fastened by a height adjusting nut 36; during hoisting, hoisting the adjusting section to a position 200-500 mm above the installed section by a hoisting tool, slightly pausing, slowly dropping after the swing is reduced until the adjusting section inner section positioning key 33 is completely inserted into the standard section positioning key groove 24; using an adjusting-section inner-section bolt 38 to sequentially penetrate through an adjusting-section inner-section bolt sleeve 37 and a standard-section upper bolt sleeve 23, and fastening by using an adjusting-section inner-section nut 39; after all sides are fastened, the lifting appliance is unfastened, and the installation of the adjustment joint is completed;
step 5), installing and adjusting a top support: 1 or a plurality of adjusting top braces 5 are arranged according to the structural form and elevation of the supported steel structure; fixing bolts 58 are used for sequentially penetrating through the adjusting top support fixing holes 510 and the top support fixing holes 47 to be fixed on the base plate 45; rotating the rotating nut 54 to lift the pillow block 51 to a specified elevation; repeating the above steps, and sequentially installing the required adjusting top supports 5 to complete the erection of the temporary support frame A;
step 6), repeating the steps 2) -5) to finish the erection of the temporary support frame B and other required temporary support frames;
step 7), installing a steel structure: according to the safety and quality regulations in the steel structure hoisting scheme, the steel structure C is stably hoisted to the support frame pillow blocks 51, the force is applied to the force applying holes 55, and the rotary nuts 54 are rotated to adjust the lifting, so that the accurate installation elevation of the steel structure C is ensured; after hoisting in place, carrying out steel structure installation and butt joint operation;
step 8), unloading the support frame: after the steel structure is installed, selecting whether a jack unloading mode is adopted or not according to the installed steel structure condition and an unloading scheme; for a steel structure with a simple structure form and small load, the unloading operation can be completed by applying force on the force applying hole 55, rotating the rotating nut 54 and lowering the jacking height; when the jack or other unloading devices are used, the jack fixing bolt 63 sequentially penetrates through the jack fixing hole 64 and the jack fixing hole 46, and the jack base plate 62 is fixed on the base plate 45; selecting a jack 61 with a proper range to be placed on a jack base plate 62, enabling the lifting jack 61 to be in contact with the bottom end of the installed steel structure C, lowering the jacking height by rotating the rotary nut 54 to complete support change, and then achieving unloading operation through the jack 61;
step 9), dismantling the support frame: after the support frame is unloaded, removing the adjusting top support 5 and the unloading jack 6, and sequentially lifting the adjusting section, the standard section 2 and the base section 1 to a specified place; before hoisting, loosening the fasteners between the section and the next section, and strictly forbidding loosening the fasteners between all the groups of sections at the same time;
step 10), turnover of a support frame: according to the height of the temporary support frame, the number of the standard sections 2 and the depth of the adjusting section inner section 3 sleeved into the adjusting section outer section 4 are determined again; re-determining and adjusting the number and height of the top supports 5 according to the structural form and elevation of the supported steel structure; and (5) setting up the support frame again according to the step 2), and putting the support frame into the next construction section for use.
Claims (9)
1. The utility model provides an assembly lattice formula steel construction installation is with interim support frame, characterized by: comprises a base joint (1), a standard joint (2), an adjusting joint inner joint (3), an adjusting joint outer joint (4), an adjusting top support (5) and an unloading jack (6);
the base joint (1) comprises a base joint column limb (11), a base joint batten strip (12) and a base joint beam rod (19), the base joint column limb (11) and the base joint column limb (11) are fixed through the base joint beam rod (19), one end of the base joint beam rod (19) is fixed on the base joint column limb (11), and the other end of the base joint beam rod (19) is fixed on the other base joint column limb (11); the base section batten strip (12) is fixed between the base section column limb (11) and the base section column limb (11), and the base section batten strip (12) and the base section column limb (11) are obliquely arranged in the direction; a base section positioning key groove (13) is formed in the top of the base section column limb (11), a base section bolt sleeve (14) is arranged on the side edge of the upper portion of the base section column limb (11), a base section base plate (15) is arranged at the bottom of the base section column limb (11), and the base section base plate (15) is fixed on a foundation, so that the base section (1) is fixed on the foundation;
the standard joint (2) comprises a standard joint column limb (21), a standard joint batten strip (22) and a standard joint beam rod (29), the standard joint column limb (21) and the standard joint column limb (21) are fixed through the standard joint beam rod (29), one end of the standard joint beam rod (29) is fixed on the standard joint column limb (21), and the other end of the standard joint beam rod (29) is fixed on the other standard joint column limb (21); the standard joint batten strip (22) is fixed between the standard joint limb (21) and the standard joint limb (21), and the standard joint batten strip (22) and the standard joint limb (21) are obliquely arranged in the direction; a standard joint positioning key groove (24) is formed in the top of the standard joint column limb (21), and a standard joint positioning key (25) is formed in the bottom of the standard joint column limb (21); a standard knot upper bolt sleeve (23) is arranged on the side edge of the upper part of the standard knot column limb (21), a standard knot lower bolt sleeve (26) is arranged on the side edge of the lower part of the standard knot column limb (21), and a standard knot bolt (27) penetrates through the standard knot lower bolt sleeve (26);
the standard knot (2) is arranged at the upper part of the base knot (1), a standard knot positioning key (25) of the standard knot (2) is aligned to the base knot positioning key groove (13) of the base knot (1), and the standard knot positioning key (25) is arranged in the base knot positioning key groove (13); the standard knot bolt (27) sequentially penetrates through a standard knot lower bolt sleeve (26) of the standard knot (2) and a base knot bolt sleeve (14) of the base knot (1), and a standard knot nut (28) is screwed at one end, penetrating through the standard knot lower bolt sleeve (26) and the base knot bolt sleeve (14), of the standard knot bolt (27), so that the standard knot (2) is fixed on the base knot (1);
the adjusting joint inner section (3) comprises an adjusting joint inner section column limb (31), an adjusting joint inner section batten strip (32) and an adjusting joint inner section beam rod (40), the adjusting joint inner section column limb (31) and the adjusting joint inner section column limb (31) are fixed through the adjusting joint inner section beam rod (40), one end of the adjusting joint inner section beam rod (40) is fixed on the adjusting joint inner section column limb (31), and the other end of the adjusting joint inner section beam rod is fixed on the other adjusting joint inner section column limb (31); the adjusting section inner section batten (32) is fixed between the adjusting section inner section column limb (31) and the adjusting section inner section column limb (31), and the adjusting section inner section batten (32) and the adjusting section inner section column limb (31) are obliquely arranged in the direction; an adjusting joint inner joint positioning key (33) is arranged at the bottom of the adjusting joint inner joint column limb (31), an adjusting joint inner joint bolt sleeve (37) is arranged on the side edge of the lower part of the adjusting joint inner joint column limb (31), and an adjusting joint inner joint bolt (38) penetrates through the adjusting joint inner joint bolt sleeve (37); a plurality of adjusting joint inner joint height adjusting holes (34) are uniformly distributed on the side surface of the adjusting joint inner joint column limb (31);
the adjusting section inner section (3) is arranged at the upper part of the standard section (2), the adjusting section inner section positioning key (33) is aligned to the standard section positioning key groove (24) at the top part of the standard section (2), and the adjusting section inner section positioning key (33) is arranged in the standard section positioning key groove (24); the adjusting section inner section bolt (38) sequentially penetrates through an adjusting section inner section bolt sleeve (37) of the adjusting section inner section (3) and a standard section upper bolt sleeve (23) of the standard section (2), and an adjusting section inner section nut (39) is screwed at one end of the adjusting section inner section bolt (38) penetrating through the adjusting section inner section bolt sleeve (37) and the standard section upper bolt sleeve (23), so that the adjusting section inner section (3) is fixed on the standard section (2);
the adjusting section outer section (4) comprises an adjusting section outer section column limb (41), an adjusting section outer section batten strip (42), an adjusting section outer section beam rod (48) and a base plate (45), the adjusting section outer section column limb (41) and the adjusting section outer section column limb (41) are fixed through the adjusting section outer section beam rod (48), one end of the adjusting section outer section beam rod (48) is fixed on the adjusting section outer section column limb (41), and the other end of the adjusting section outer section beam rod (48) is fixed on the other adjusting section outer section column limb (41); the adjusting section outer section batten (42) is fixed between the adjusting section outer section column limb (41) and the adjusting section outer section column limb (41), and the adjusting section outer section batten (42) and the adjusting section outer section column limb (41) are obliquely arranged in the direction; a plurality of adjusting section outer section height adjusting holes (44) are uniformly distributed on the side surface of the adjusting section outer section column limb (41); the base plate (45) is fixed to the top of the adjusting section outer section (4), a plurality of jack fixing holes (46) and a plurality of jacking fixing holes (47) are formed in the base plate (45), and screw threads are arranged on the inner sides of the jack fixing holes (46) and the jacking fixing holes (47);
the adjusting joint outer joint (4) is sleeved on the adjusting joint inner joint (3), and the adjusting joint outer joint (4) can move on the adjusting joint inner joint (3) to adjust the lifting height; the height adjusting device is also provided with a plurality of height adjusting bolts (35), the height adjusting bolts (35) penetrate through adjusting section inner section height adjusting holes (34) on the corresponding adjusting section inner sections (3) and adjusting section outer section height adjusting holes (44) on the adjusting section outer sections (4), and one ends of the height adjusting bolts (35) penetrating through the adjusting section inner section height adjusting holes (34) and the adjusting section outer section height adjusting holes (44) are screwed and fastened with height adjusting nuts (36) for fastening, so that the adjusting section outer sections (4) are fixed on the adjusting section inner sections (3);
the adjusting top support (5) comprises a base barrel (57) and a ball (56), wherein a rotating nut (54) is arranged in the base barrel (57), the rotating nut (54) is arranged in the base barrel (57), a base barrel groove is formed in the inner wall of the base barrel (57), a rotating nut groove is formed in the outer wall of the rotating nut (54), the ball (56) is embedded between the base barrel groove and the rotating nut groove, and the up-and-down displacement of the rotating nut (54) is restrained, so that the rotating nut (54) can only rotate but cannot move up and down in the base barrel (57); a lifting screw rod (53) is screwed in the rotating nut (54), and a U-shaped jacking (52) is fixed at the top of the lifting screw rod (53); a pillow block (51) is supported on the U-shaped jacking (52); the rotating nut (54) is rotated to drive the lifting screw rod (53) to move up and down in the rotating nut (54), so that the U-shaped jacking support (52) and the pillow block (51) supported on the U-shaped jacking support (52) are driven to move up and down; the bottom of the base barrel (57) is provided with an adjusting top bracing base plate (59), and the adjusting top bracing base plate (59) is provided with a plurality of adjusting top bracing fixing holes (510);
the adjusting top support (5) is arranged on a base plate (45) of the adjusting section outer section (4) and is also provided with a fixing bolt (58), and the fixing bolt (58) is screwed in the adjusting top support fixing hole (510) and the top support fixing hole (47), so that the adjusting top support (5) is fixed on the base plate (45), and the adjusting top support (5) is fixed at the top of the adjusting section outer section (4);
the jack (6) for unloading comprises a jack (61) and a jack base plate (62), a placing groove is formed in the middle of the jack base plate (62), the jack (61) is placed in the placing groove of the jack base plate (62), and the shape of the placing groove is consistent with the shape of the bottom of the jack (61); the jack base plate (62) is provided with a plurality of jack fixing holes (64) and jack fixing bolts (63), and the jack fixing bolts (63) are screwed in the jack fixing holes (64) and the jack fixing holes (46), so that the jack base plate (62) is fixed on the base plate (45); so that the unloading jack (6) is fixed on the top of the adjusting joint outer section (4).
2. The temporary support frame for mounting the assembled lattice type steel structure as claimed in claim 1, wherein: the base section column limb (11), the base section batten strip (12), the base section beam rod (19), the standard section column limb (21), the standard section batten strip (22), the standard section beam rod (29), the adjusting section inner section column limb (31), the adjusting section inner section batten strip (32), the adjusting section inner section beam rod (40), the adjusting section outer section column limb (41), the adjusting section outer section batten strip (42) and the adjusting section outer section beam rod (48) are steel pipes, angle steels or channel steels.
3. The temporary support frame for mounting the assembled lattice type steel structure as claimed in claim 1, wherein: a base section stiffening plate (16) is fixed between the base section column limb (11) and the base section base plate (15), and the base section column limb (11) and the base section base plate (15) are reliably connected through the base section stiffening plate (16).
4. The temporary support frame for mounting the assembled lattice type steel structure as claimed in claim 1, wherein: and an adjusting section outer section batten plate (43) is arranged at the structural corner of the adjusting section outer section (4).
5. The temporary support frame for mounting the assembled lattice type steel structure as claimed in claim 1, wherein: be equipped with base festival fixed orifices (18) on base festival bed plate (15), base festival fixing bolt (17) have been screwed on base festival fixed orifices (18), and base festival fixing bolt (17) pass base festival fixed orifices (18) and screw and be fixed in on the basis for base festival bed plate (15) are fixed in on the basis.
6. The temporary support frame for mounting the assembled lattice type steel structure as claimed in claim 1, wherein: the side surface of the rotating nut (54) is provided with a stress application hole (55), and the rotating nut (54) is rotated by applying stress to the stress application hole (55).
7. The temporary support frame for mounting the assembled lattice type steel structure as claimed in claim 1, wherein: an adjusting top support stiffening plate (511) is arranged between the base barrel (57) and the adjusting top support base plate (59) and is used for adjusting the rigidity between the base barrel (57) and the adjusting top support base plate (59); the adjusting top support base plate (59) is fixed with the bottom of the base barrel (57), and the diameter of the adjusting top support base plate (59) is larger than the outer diameter of the base barrel (57).
8. A use method of a temporary support frame for mounting an assembly lattice type steel structure is characterized by comprising the following steps: the method comprises the following steps:
step 1), construction preparation: before the steel structure C is installed and constructed, the plane arrangement and the erection height of a temporary support frame are respectively determined according to a construction scheme, wherein the temporary support frame comprises a temporary support frame A and a temporary support frame B, and a plurality of temporary support frames can be arranged; after the on-site measurement and paying off, selecting a proper temporary support frame foundation form to complete foundation preparation work;
step 2), mounting of base sections: according to the scheme of plane arrangement of the temporary support frame, the base joint (1) is hoisted to a specified position, and the base joint (1) is fixed with the foundation through a base joint fixing bolt (17) penetrating through a base joint fixing hole (18); foundation bolts or high-strength bolts are selected by the base section fixing bolts (17) according to a foundation form, so that the connection reliability is ensured;
step 3), hoisting the standard knot (2): determining the number of the required standard knots (2) according to the building height of the temporary support frame; during hoisting, hoisting a section of standard knot (2) to a position 200-500 mm above the installed base knot positioning key groove (13) through a hoisting tool, slightly pausing, slowly dropping after swinging is reduced until the standard knot positioning key (25) is completely inserted into the base knot positioning key groove (13); a standard knot bolt (27) is used, sequentially penetrates through a standard knot lower bolt sleeve (26) and a base knot bolt sleeve (14), and is fastened by a standard knot nut (28); after all sides are fastened, the lifting appliance is unfastened, and the installation of one section of standard knot (2) is completed; when the standard knot (2) is required to be continuously installed, continuing to the step 3-1), and when the standard knot (2) is not required to be continuously installed, directly entering the step 4);
step 3-1), hoisting a new section of standard knot (2) to a position 200-500 mm above the installed standard knot (2) through a lifting appliance, slightly pausing, slowly dropping after swinging is reduced until the standard knot positioning key (25) of the upper standard knot (2) is completely inserted into the standard knot positioning key groove (24) of the lower standard knot (2); a standard knot bolt (27) is used, sequentially penetrates through a standard knot lower bolt sleeve (26) of the upper standard knot (2) and a standard knot upper bolt sleeve (23) of the lower standard knot (2), and is fastened by a standard knot nut (28); after all sides are fastened, the lifting appliance is unfastened, and the installation of a new section of standard knot (2) is completed;
when the standard knot (2) is required to be continuously installed, the step 3-1) is continuously repeated, and when the standard knot (2) is not required to be continuously installed, the step 4) is directly carried out;
step 4), hoisting and adjusting the joint: determining the depth of the inner section (3) of the adjusting section sleeved into the outer section (4) of the adjusting section according to the height of the temporary support frame, and preliminarily adjusting the elevation of the whole support frame; before the lifting of the adjusting section, the assembly of the inner section (3) and the outer section (4) of the adjusting section is completed on the ground, a height adjusting bolt (35) sequentially penetrates through a height adjusting hole (44) of the outer section of the adjusting section and a height adjusting hole (34) of the inner section of the adjusting section and is fastened by a height adjusting nut (36); during hoisting, hoisting the adjusting section to a position 200-500 mm above the installed section group by a hoisting tool, slightly pausing, slowly dropping after the swing is reduced until the adjusting section inner section positioning key (33) is completely inserted into the standard section positioning key groove (24); an adjusting inner-section bolt (38) penetrates through an adjusting inner-section bolt sleeve (37) and a standard-section upper bolt sleeve (23) in sequence and is fastened by an adjusting inner-section nut (39); after all sides are fastened, the lifting appliance is unfastened, and the installation of the adjustment joint is completed;
step 5), installing and adjusting a top support: 1 or a plurality of adjusting top braces (5) are arranged according to the structural form and elevation of the supported steel structure; fixing bolts (58) sequentially penetrate through the adjusting top support fixing holes (510) and the top support fixing holes (47) and are fixed on the base plate (45); rotating the rotating nut (54) to lift the pillow block (51) to a specified elevation; repeating the above steps, and sequentially installing the required adjusting top supports (5) to complete the erection of the temporary support frame A;
step 6), repeating the steps 2) -5) to finish the erection of the temporary support frame B and other required temporary support frames;
step 7), installing a steel structure: according to safety and quality regulations in a steel structure hoisting scheme, a steel structure C is stably hoisted to support frame pillow blocks (51), and the lifting is adjusted by rotating a rotating nut (54), so that the accurate installation elevation of the steel structure C is ensured; after hoisting in place, carrying out steel structure installation and butt joint operation;
step 8), unloading the support frame: after the steel structure is installed, selecting whether a jack unloading mode is adopted or not according to the installed steel structure condition and an unloading scheme; for a steel structure with a simple structure form and small load, the rotary nut (54) is rotated to lower the jacking height, so that the unloading operation is completed; when the jack or other unloading devices are used, the jack fixing bolt (63) sequentially penetrates through the jack fixing hole (64) and the jack fixing hole (46), and the jack base plate (62) is fixed on the base plate (45); a jack (61) with a proper range is selected to be placed on a jack base plate (62), the lifting jack (61) is in contact with the bottom end of an installed steel structure C, the jack support height is lowered by rotating a rotary nut (54), support replacement is completed, and unloading operation is achieved through the jack (61);
step 9), dismantling the support frame: after the support frame is unloaded, removing the adjusting top support (5) and the unloading jack (6), and sequentially lifting the adjusting section, the standard section (2) and the base section (1) to a designated place;
step 10), turnover of a support frame: according to the height of the temporary support frame, the number of the standard sections (2) and the depth of the adjusting section outer section (4) sleeved by the adjusting section inner section (3) are determined again; re-determining and adjusting the number and height of the top supports (5) according to the structural form and elevation of the supported steel structure; and (5) setting up the support frame again according to the step 2), and putting the support frame into the next construction section for use.
9. The use method of the temporary support frame for assembling the lattice type steel structure installation according to claim 8, wherein the temporary support frame comprises the following steps: in step 7), the rotating nut (54) is rotated by applying a force to the force application hole (55).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011271234.1A CN112324160A (en) | 2020-11-13 | 2020-11-13 | Temporary support frame for mounting assembly lattice type steel structure and use method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011271234.1A CN112324160A (en) | 2020-11-13 | 2020-11-13 | Temporary support frame for mounting assembly lattice type steel structure and use method |
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| Publication Number | Publication Date |
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| CN112324160A true CN112324160A (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011271234.1A Pending CN112324160A (en) | 2020-11-13 | 2020-11-13 | Temporary support frame for mounting assembly lattice type steel structure and use method |
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| CN113323447A (en) * | 2021-07-07 | 2021-08-31 | 常州东华建筑安装工程有限公司 | Temporary supporting device for steel structure hoisting construction |
| CN113882712A (en) * | 2021-10-26 | 2022-01-04 | 中国建筑第二工程局有限公司 | Temporary support reinforcing method for large-scale suspension type steel structure construction |
| CN114150879A (en) * | 2021-12-06 | 2022-03-08 | 天元建设集团有限公司 | Adjustable supporting device for splicing large-scale complex steel structure nodes |
| CN114482565A (en) * | 2022-03-02 | 2022-05-13 | 中国建筑第二工程局有限公司 | Adjacent type multilayer gymnasium construction method with indoor ice rink |
| CN116143005A (en) * | 2023-04-20 | 2023-05-23 | 四川宏升重工机械有限公司 | Locking type tower crane frame and use method thereof |
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2020
- 2020-11-13 CN CN202011271234.1A patent/CN112324160A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113323447A (en) * | 2021-07-07 | 2021-08-31 | 常州东华建筑安装工程有限公司 | Temporary supporting device for steel structure hoisting construction |
| CN113882712A (en) * | 2021-10-26 | 2022-01-04 | 中国建筑第二工程局有限公司 | Temporary support reinforcing method for large-scale suspension type steel structure construction |
| CN113882712B (en) * | 2021-10-26 | 2023-02-03 | 中国建筑第二工程局有限公司 | Temporary support reinforcing method for large-scale suspension type steel structure construction |
| CN114150879A (en) * | 2021-12-06 | 2022-03-08 | 天元建设集团有限公司 | Adjustable supporting device for splicing large-scale complex steel structure nodes |
| CN114482565A (en) * | 2022-03-02 | 2022-05-13 | 中国建筑第二工程局有限公司 | Adjacent type multilayer gymnasium construction method with indoor ice rink |
| CN114482565B (en) * | 2022-03-02 | 2022-09-02 | 中国建筑第二工程局有限公司 | Adjacent type multilayer gymnasium construction method with indoor ice rink |
| CN116143005A (en) * | 2023-04-20 | 2023-05-23 | 四川宏升重工机械有限公司 | Locking type tower crane frame and use method thereof |
| CN116143005B (en) * | 2023-04-20 | 2023-06-27 | 四川宏升重工机械有限公司 | Locking type tower crane frame and use method thereof |
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