CN115162522A - Large-span steel structure depression compensation assembly and method - Google Patents
Large-span steel structure depression compensation assembly and method Download PDFInfo
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- CN115162522A CN115162522A CN202210802716.8A CN202210802716A CN115162522A CN 115162522 A CN115162522 A CN 115162522A CN 202210802716 A CN202210802716 A CN 202210802716A CN 115162522 A CN115162522 A CN 115162522A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 71
- 239000010959 steel Substances 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000010276 construction Methods 0.000 claims abstract description 32
- 230000000712 assembly Effects 0.000 claims abstract description 14
- 238000000429 assembly Methods 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims description 59
- 238000004804 winding Methods 0.000 claims description 25
- 230000000087 stabilizing effect Effects 0.000 claims description 22
- 210000001503 joint Anatomy 0.000 claims description 14
- 238000004873 anchoring Methods 0.000 claims description 13
- 239000000725 suspension Substances 0.000 claims description 8
- 229910000679 solder Inorganic materials 0.000 claims 3
- 238000005728 strengthening Methods 0.000 claims 3
- 230000003014 reinforcing effect Effects 0.000 abstract description 11
- 230000008569 process Effects 0.000 description 10
- 238000003825 pressing Methods 0.000 description 9
- 238000003466 welding Methods 0.000 description 9
- 230000009471 action Effects 0.000 description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/342—Structures covering a large free area, whether open-sided or not, e.g. hangars, halls
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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
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
- E04H5/02—Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
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- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Ladders (AREA)
Abstract
The invention discloses a large-span steel structure depression compensation assembly and method, and belongs to the technical field of large-span steel structures. The large-span steel structure depression compensation assembly comprises a plurality of groups of ladder frame cross beams which are uniformly erected above a steel structure factory building, the ladder frame cross beams extend along the width direction of the steel structure factory building, hanging winch assemblies are connected to the lower portions of the two ends of the ladder frame cross beams respectively, the hanging winch assemblies are arranged on the outer side of the steel structure factory building, frame hanging frames are arranged on the upper portion of the steel structure factory building along the two ends of the steel structure factory building in the length direction respectively, the frame hanging frames are connected with the ladder frame cross beams and the steel structure factory building through bolts in a fixed mode, a plurality of reinforcing shaft rods are placed above the frame hanging frames in two modes, the reinforcing shaft rods are fixed to the frame hanging frames and the ladder frame cross beams in a welded mode, and the reinforcing shaft rods are perpendicular to the ladder frame cross beams. The invention can avoid the condition that the bridge joint falls or collapses due to uneven stress of the bridge joint when span connection is carried out, and ensure the construction efficiency.
Description
Technical Field
The invention relates to a large-span steel structure depression compensation assembly and method, and belongs to the technical field of large-span steel structures.
Background
Steel structures are structures composed of steel materials and are one of the main building structure types. The utility model discloses a large-span steel construction is disclosed in the chinese utility model patent of granting bulletin number CN206829353U, granting bulletin day 2018.01.02, including structure roof-rack, entablature, bottom end rail and structural support pole, the structure roof-rack outside is equipped with the roof-rack connecting rod, the lower extreme of structure roof-rack is fixed on the structural support pole, and structure roof-rack inboard is equipped with the entablature and places the seat and the bottom end rail is placed the seat, be equipped with the support hinge between entablature and the bottom end rail, the both sides of supporting the hinge are equipped with the fixed stopper. The utility model discloses a to the design of large-span steel construction, be equipped with the connecting axle between the structure roof-rack, have the support hinge between entablature and the bottom end rail, realize the hinge connection between each connecting rod in the support hinge, the support shape can be changed to the bottom end rail hinge under the exogenic action, and support hinge both ends are equipped with the fixed stopper, can guarantee to support the hinge and play the effect of support between two crossbeams.
However, the support between the top frame and the cross beam in the installation process is not considered to be stable in the large-span steel structure, and the framework is easy to collapse due to uneven support stress in the erection process of the large-span steel structure.
Disclosure of Invention
The invention provides a large-span steel structure depression compensation assembly and a method aiming at the defects in the prior art, the combined beam can be stretched and supported by means of a hanging position winch assembly and a supporting position hook assembly in the erecting process of a ladder frame beam, the condition that the combined beam falls off or a bridge joint is not stressed uniformly and collapses when spans are connected is avoided, the hanging position winch assembly and the supporting position hook assembly can assist in erecting the top of the whole workshop, and the construction efficiency is guaranteed.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a large-span steel structure sunken compensation assembly, it includes the multiunit ladder frame crossbeam that evenly erects in steel construction factory building top, the ladder frame crossbeam extends along the width direction of steel construction factory building, the both ends below of ladder frame crossbeam is connected with respectively hangs a position capstan winch subassembly, and hangs a position capstan winch subassembly and set up in the outside of steel construction factory building, the top of steel construction factory building is provided with respectively along its length direction's both ends and encloses the frame and put up, and encloses frame and put up and pass through bolt fixed connection with ladder frame crossbeam and steel construction factory building, and many enhancement axostylus axostyles have been placed to two tops that enclose the frame and put up, and strengthen the axostylus axostyle by a plurality of, strengthen the axostylus axostyle and enclose frame and ladder frame crossbeam welded fastening, and strengthen axostylus axostyle and ladder frame crossbeam mutually perpendicular, the ladder frame crossbeam includes the combined beam of two mutual butt joints, the combined beam includes the bottom shaft frame of two mutual docks, and trapezoidal wearing groove has been seted up to the looks remote site symmetry of two bottom shaft frames.
Preferably, welding spot reinforcing ribs are arranged on two sides of the combined cross beam and are perpendicular to the bottom shaft frame, the welding spot reinforcing ribs are connected with the bottom shaft frame in a welding mode, triangular bridging supports are symmetrically arranged at the butt joint ends of the two combined cross beams, and the triangular bridging supports are fixedly connected with the combined cross beam through bolts.
Preferably, lie in the firm strut of fulcrum that the below fixedly connected with of combination crossbeam was used for bearing combination crossbeam in the top both sides of steel construction factory building, and offer on the firm strut of fulcrum and be used for placing the recess of combination crossbeam, the outside of the firm strut of fulcrum is provided with the position of support lifting hook subassembly with the bottom fixed connection of combination crossbeam.
Preferably, the support hook assembly comprises a pillow block base plate and a metal hook, the upper end of the metal hook penetrates through the pillow block base plate and is in threaded connection with a fastening nut, the pillow block base plate is fixedly connected with the combined cross beam through a bolt, and a cable hanging scaffold is arranged below the metal hook.
Preferably, the top of hawser platform sling is provided with and articulates complex metal lifting buckle with metal lifting hook, and metal lifting buckle passes through bolt fixed connection with the hawser platform sling, the metal lifting hook passes through the metal lifting buckle and is connected with the rope platform sling, the bottom of hawser platform sling and the one end fixed connection of metal hawser, the hawser platform sling is connected with hanging position capstan winch subassembly through metal hawser.
Preferably, the hoisting winch assembly comprises a winding roller and an anchoring support, two ends of the winding roller are rotatably connected with the anchoring support, the power input end of the winding roller is fixedly connected with the output shaft of the motor through a coupler, and the other end of the metal cable is wound on the winding roller.
Preferably, a gantry is arranged above the winding roller, a pressing roller is rotatably connected below the gantry, the pressing roller is attached to the winding roller, hydraulic cylinders are fixedly connected between two ends of the gantry and the anchoring support respectively, and the gantry is in telescopic connection with the anchoring support through the hydraulic cylinders.
Preferably, the enclosing frame comprises a plurality of groups of X-shaped supports which are connected in sequence, switching base plates are welded to the tops of the central crossing positions and the tops of the four corner positions of the X-shaped supports respectively, each reinforcing shaft rod is welded and fixed with the corresponding switching base plates of the central crossing positions and the four corner positions of the X-shaped supports, and the switching base plates of the four corner positions of the X-shaped supports are fixedly connected with the corresponding combined cross beams or the steel structure factory building.
The invention also provides a large-span steel structure depression compensation method based on the large-span steel structure depression compensation component, which comprises the following steps:
s1: firstly, fixing the fulcrum stabilizing brackets at two sides of the top of a steel structure factory building according to a specified interval, and after the fulcrum stabilizing brackets are arranged, installing a hoisting winch component below each fulcrum stabilizing bracket;
s2: erecting a combined cross beam, placing the outer side end of the combined cross beam in a groove of a fulcrum stabilizing support frame, fixing a pillow block substrate on the combined cross beam through a bolt after the combined cross beam is placed in place, hanging a metal lifting hook on a metal lifting buckle, and fixing one end of a metal cable at the bottom of a cable hanging tray;
s3: starting a motor, driving a winding roller to rotate by the motor, so that a metal cable is tightened, adjusting the up-and-down position of the combined cross beam by taking the fulcrum stabilizing support as a fulcrum, and fixedly connecting the triangular bridging support and the two combined cross beams through bolts after the heights of the butt ends of the two combined cross beams in the same group of ladder frame cross beams are level;
s4: after the ladder frame cross beam is built and is accomplished, will enclose the frame built and lay and fix at the both ends of steel construction factory building, will strengthen the axostylus axostyle again and lay in ladder frame cross beam and enclose the top of frame built and fix, after the top structure of whole factory building is built, fix the firm strut of fulcrum and ladder frame cross beam through the bolt, then remove and hang position capstan winch subassembly and hold in the palm position lifting hook subassembly.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, after the construction of a preset structure is completed, the ladder frame cross beams are erected in the grooves of the fulcrum stabilizing supports from two sides of the steel structure factory building, after the ladder frame cross beams are placed in place, the support hook assemblies are connected with the hanging position winch assemblies by means of the cable hanging trays, the hanging position winch assemblies are started, the cables are driven by the motor to be tightened, the ladder frame cross beams can adjust the vertical height by taking the supports as the fulcrums, the operation values of the hanging position winch assemblies on the same horizontal line are adjusted, the ladder frame cross beams connected with two ends are kept in high fit, then the connecting areas between the two are fixed by the triangular bridging supports, the ladder frame cross beams can be stretched and supported by means of the hanging position winch assemblies and the hanging position winch assemblies in the erecting process, the situation that the ladder frame cross beams fall or collapse occurs due to uneven stress of bridging points when span connection is avoided, the hanging position winch assemblies and the hanging position winch assemblies can assist in the construction of the top of the whole factory building, and the construction efficiency is guaranteed;
2. in the invention, after the opposite ends of the two bottom shaft brackets are butted, the trapezoidal through grooves on the two bottom shaft brackets can form a hexagonal groove body structure, and in the actual use process, whether the beam body structure is inserted and fixed in the trapezoidal through grooves can be selected according to the bearing condition of the top of a factory building, so that the stability of the whole ladder frame beam can be further improved;
3. according to the invention, the triangular bridging bracket is positioned at the butt joint end of the two combined cross beams, and after the height of the combined cross beams is adjusted, the triangular bridging bracket is fixed at the butt joint end of the combined cross beams through bolts, so that the condition that the butt joint end of the combined cross beams sinks is prevented, and the fixed ladder frame cross beams are in a triangular arched beam structure;
4. according to the invention, the motor drives the winding roller to rotate, so that the winding and unwinding operation of the metal cable rope is controlled, when the metal cable rope is contracted, the butt joint end of the combined beam can tilt, otherwise, when the metal cable rope is released, the butt joint end of the combined beam can sink, and the pressing roller can perform lifting operation through the hydraulic cylinders at the two ends, so that the cable rope can be compacted and tensioned through the pressing roller in the winding and unwinding process, and the situation that the cable rope is misplaced and deviated is avoided.
Drawings
FIG. 1 is a schematic view of the overall structure of a large-span steel structure depression compensation assembly according to the present invention;
FIG. 2 is a schematic structural view of the enclosure frame of the present invention;
FIG. 3 is a schematic structural view of a cross beam of the ladder rack of the present invention;
FIG. 4 is a schematic structural view of a bottom pedestal according to the present invention;
FIG. 5 is a schematic view of the connection between the support hook assembly and the cable hanger in the present invention;
FIG. 6 is a schematic structural view of a hoist winch assembly according to the present invention.
In the figure: 1. a steel structure factory building; 2. a ladder frame cross beam; 3. a reinforcing shaft lever; 4. building a frame; 5. a hoist winch assembly; 6. a cable hanging scaffold; 201. combining the cross beams; 202. a triangular bridge support; 203. welding spot reinforcing ribs; 204. a fulcrum stabilizing support frame; 205. a support hook assembly; 2011. a bottom pedestal; 2012. a trapezoidal through groove; 2051. a pillow block substrate; 2052. a metal hook; 2053. fastening a nut; 401. an X-shaped bracket; 402. transferring a base plate; 501. anchoring the stent; 502. a wind-up roll; 503. a coupling; 504. a motor; 505. a hydraulic cylinder; 506. erecting a gantry; 507. a pressure roller; 601. a metal suspension clasp; 602. a metal cable.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides a sunken compensation assembly of large-span steel construction, it is including evenly erectting the multiunit ladder frame crossbeam 2 in steel construction factory building 1 top, ladder frame crossbeam 2 extends along the width direction of steel construction factory building 1, and the both ends below of ladder frame crossbeam 2 is connected with respectively hangs a capstan winch subassembly 5, and hangs a capstan winch subassembly 5 and set up in the outside of steel construction factory building 1, and the top of steel construction factory building 1 is provided with respectively and encloses frame built 4 along its length direction's both ends, and encloses frame built 4 and fixed through bolt fixed connection with ladder frame crossbeam 2 and steel construction factory building 1, and many enhancement axostylus axostyle 3 have been placed to two tops that enclose frame built 4, and enhancement axostylus axostyle 3 is by a plurality of, and enhancement axostylus axostyle 3 and frame crossbeam 2 welded fastening, and enhancement axostylus axostyle 3 and ladder frame crossbeam 2 mutually perpendicular, it includes the X type support 401 that the multiunit connects in order to enclose frame built 4, the top of the central crossing position of X type support 401 and the top of four corners position of X type support 401 have switching backing plate 402 respectively, the corresponding four corners welding position of X type support 401 and the corresponding X type beam mounting plate of the four corners of X type mounting 401, the corresponding X type mounting plate of the position 401 of X type support 401 is connected, the corresponding 1 is connected with the factory building 1.
Before the ladder frame cross beam 2 at the top of the factory building is erected, the supporting point stabilizing supporting frames 204 are required to be installed and fixed on two sides of the top of the steel structure factory building 1 according to a specified interval, after the supporting point stabilizing supporting frames 204 are arranged, the hanging winch assemblies 5 are installed below the supporting point stabilizing supporting frames 204, the installed hanging winch assemblies 5 are located under the supporting hook assemblies 205, and therefore the metal cable 602 can be prevented from being pulled out of the ladder frame cross beam 2 when being contracted. After the building of the preset structure is completed, the ladder frame cross beam 2 is erected in the groove of the fulcrum stabilizing support frame 204 from two sides of the steel structure factory building 1, after the ladder frame cross beam 2 is placed in place, the support hook assembly 205 is connected with the hanging winch assembly 5 through the cable hanging plate 6, the hanging winch assembly 5 is started, the cable is driven to tighten up through the motor, the height of the ladder frame cross beam 2 can be adjusted up and down by taking the support frame as the fulcrum, the operation value of the hanging winch assembly 5 on the same horizontal line is adjusted, the ladder frame cross beams 2 at two ends are enabled to be highly attached, then the connecting area between the two is fixed through the triangular bridging support 202, the building process of the ladder frame cross beam 2 can be stretched and supported through the hanging winch assembly 5 and the hanging winch assembly 205, the situation that the falling occurs or the stress of a bridging point is not uniform when the span is connected is avoided, the hanging winch assembly 5 and the hanging winch assembly 205 can assist the building of the top of the whole factory building, and the building efficiency is guaranteed.
Build at ladder frame crossbeam 2 and accomplish the back, will enclose frame built 4 and lay at the both ends of steel construction factory building 1, later will strengthen axostylus axostyle 3 and lay at ladder frame crossbeam 2 and enclose the top that frame built 4 was spread to connect fixedly, enclose frame built 4 and can strengthen the area of contact between axostylus axostyle 3 and ladder frame crossbeam 2 and the steel construction factory building 1, make the even distribution of bearing capacity.
The ladder frame beam 2 comprises two combined beams 201 which are mutually butted, each combined beam 201 comprises two bottom shaft frames 2011 which are mutually butted, opposite end symmetry of the two bottom shaft frames 2011 is provided with trapezoidal through grooves 2012, both sides of each combined beam 201 are provided with welding spot reinforcing ribs 203, the welding spot reinforcing ribs 203 are perpendicular to the bottom shaft frames 2011, the welding spot reinforcing ribs 203 are connected with the bottom shaft frames 2011 in a welding mode, the butt ends of the two combined beams 201 are symmetrically provided with triangular bridging supports 202, the triangular bridging supports 202 are fixedly connected with the combined beams 201 through bolts, a supporting point stabilizing support frame 204 used for supporting the combined beams 201 is fixedly connected to the lower portion of each combined beam 201 in two sides of the top of the steel structure factory building 1, a groove used for placing the combined beams 201 is formed in each supporting point stabilizing support frame 204, a supporting point hook component 205 fixedly connected with the bottom of each combined beam 201 is arranged on the outer side of each supporting point stabilizing support frame 204, and the supporting point hook component 205 is arranged on the outer side of the steel structure factory building 1.
The looks remote site of two end shaft frames 2011 docks the back, and trapezoidal wearing groove 2012 on two end shaft frames 2011 can form hexagonal cell body structure, and at the in-process of in-service use, can select whether to carry out the interlude of roof beam body structure in trapezoidal wearing groove 2012's inside fixed according to the bearing condition at factory building top, can further promote the stability of whole ladder frame crossbeam 2 like this.
The triangular bridging support 202 is located at the butt joint end of the two combined beams 201, after the height of the combined beams 201 is adjusted, the triangular bridging support 202 is fixed at the butt joint end of the combined beams 201 through bolts, the condition that the butt joint end of the combined beams 201 sinks is prevented, and the ladder frame beams 2 are in a triangular arched beam structure after the fixing is completed.
The fulcrum stabilizing support frame 204 mainly plays a role of supporting a fulcrum, and facilitates height adjustment of the ladder frame cross beam 2 in the building process.
Position lifting hook subassembly 205 includes pillow block base plate 2051 and metal lifting hook 2052, pillow block base plate 2051 and threaded connection have fastening nut 2053 are run through to the upper end of metal lifting hook 2052, pillow block base plate 2051 passes through bolt fixed connection with combination beam 201, the below of metal lifting hook 2052 is provided with hawser platform sling 6, and the top of hawser platform sling 6 is provided with articulates complex metal suspension clasp 601 with metal lifting hook 2052, and metal suspension clasp 601 and hawser platform sling 6 pass through bolt fixed connection, and metal lifting hook 2052 passes through metal suspension clasp 601 and is connected with the rope platform sling, the bottom of hawser platform sling 6 and the one end fixed connection of metal hawser 602, hawser platform sling 6 passes through metal hawser 602 and is connected with position winch subassembly 5.
The hoisting winch assembly 5 comprises a winding roller 502 and an anchoring support 501, two ends of the winding roller 502 are rotatably connected with the anchoring support 501, a power input end of the winding roller 502 is fixedly connected with an output shaft of a motor 504 through a coupler 503, and the other end of the metal cable 602 is wound on the winding roller 502. A gantry support 506 is arranged above the winding roller 502, a pressing roller 507 is rotatably connected below the gantry support 506, the pressing roller 507 is attached to the winding roller 502, hydraulic cylinders 505 are fixedly connected between two ends of the gantry support 506 and the anchoring supports respectively, and the gantry support 506 is in telescopic connection with the anchoring supports 501 through the hydraulic cylinders 505.
When the metal cable lifting platform is used, the metal lifting buckle 601 at the top of the cable lifting disk 6 is connected with the metal lifting hook 2052 below the pillow block base plate 2051 in a hanging mode, and when the metal cable lifting platform works, the motor 504 drives the winding roller 502 to rotate, so that the winding and unwinding operations of the metal cable 602 are controlled, when the metal cable 602 contracts, the butt joint end of the combined cross beam 201 can be tilted, and otherwise, when the metal cable 602 is loosened, the butt joint end of the combined cross beam 201 can sink.
A group of pressing rollers 507 are arranged above the winding roller 502, the pressing rollers 507 can be lifted through hydraulic cylinders 505 at two ends, and therefore the pressing rollers 507 can be used for compacting and tensioning the cable in the process of winding and unwinding the cable, and the situation of dislocation and deviation of the cable is avoided.
The invention also provides a large-span steel structure depression compensation method based on the large-span steel structure depression compensation component, which comprises the following steps:
s1: firstly, the supporting point fixing brackets 204 are installed and fixed at two sides of the top of the steel structure factory building 1 according to a specified interval, and after the supporting point fixing brackets 204 are arranged, a hoisting winch component 5 is installed below each supporting point fixing bracket 204;
s2: erecting the combined cross beam 201, placing the outer end of the combined cross beam 201 in a groove of the fulcrum stabilizing support frame 204, fixing the pillow block base plate 2051 on the combined cross beam 201 through bolts after the combined cross beam 201 is placed in place, hanging the metal hook 2052 on the metal suspension buckle 601, and fixing one end of the metal cable 602 at the bottom of the cable hanging tray 6;
s3: starting the motor 504, driving the wind-up roll 502 to rotate by the motor 504, so as to tighten the metal cable 602, and adjusting the up-and-down position of the combined cross beam 201 by taking the fulcrum stabilizing support frame 204 as a fulcrum at the moment, and fixedly connecting the triangular bridging support 202 with the two combined cross beams 201 through bolts after the heights of the butt ends of the two combined cross beams 201 in the same group of ladder frame cross beams 2 are flush;
s4: after ladder frame crossbeam 2 built the completion, will enclose frame built 4 and lay and fix the both ends at steel construction factory building 1, will strengthen axostylus axostyle 3 again and lay at ladder frame crossbeam 2 and enclose frame built 4's top and fixed, after the top structure of whole factory building was built, fix with ladder frame crossbeam 2 to the firm strut 204 of fulcrum through the bolt, then remove and hang position capstan winch subassembly 5 and support position lifting hook subassembly 205.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a compensation assembly is sunken to large-span steel construction which characterized in that: it is including evenly setting up multiunit ladder frame crossbeam (2) in steel construction factory building (1) top, ladder frame crossbeam (2) extend along the width direction of steel construction factory building (1), the both ends below of ladder frame crossbeam (2) is connected with respectively and hangs position capstan winch subassembly (5), and hangs position capstan winch subassembly (5) and set up the outside at steel construction factory building (1), the top of steel construction factory building (1) is provided with respectively along its length direction's both ends and encloses frame set up (4), and encloses frame set up (4) and pass through bolt fixed connection with ladder frame crossbeam (2) and steel construction factory building (1), and many enhancement axostylus axostyles (3) have been placed to the top of two frame set up (4), enhancement axostylus axostyles (3) and enclosing frame set up (4) and ladder frame crossbeam (2) welded fastening, and enhancement axostylus axostyle (3) and ladder frame crossbeam (2) mutually perpendicular, combination crossbeam (201) include double-phase butt joint's bottom shaft shelf (2011), and trapezoidal groove (2012) are worn to the symmetry has been seted up to the looks remote site of two bottom axostylus axostyles (2011).
2. The sag compensation assembly for a large-span steel structure according to claim 1, wherein: the both sides of combination crossbeam (201) all are provided with solder joint strengthening rib (203), and solder joint strengthening rib (203) perpendicular to bottom shaft frame (2011), solder joint strengthening rib (203) and bottom shaft frame (2011) welded connection, and the butt joint end symmetry of two combination crossbeams (201) is provided with triangular bridging support (202), and triangular bridging support (202) and combination crossbeam (201) pass through bolt fixed connection.
3. The large-span steel structure sag compensation assembly according to claim 2, wherein: the utility model discloses a steel structure factory building (1) is characterized in that the below fixedly connected with that lies in combination crossbeam (201) in the top both sides of steel construction factory building (1) is used for the firm strut (204) of fulcrum of bearing combination crossbeam (201), and offers on the firm strut (204) of fulcrum and be used for placing the recess of combination crossbeam (201), the outside of the firm strut (204) of fulcrum is provided with the position of support lifting hook subassembly (205) with the bottom fixed connection of combination crossbeam (201).
4. The sag compensation assembly for a large-span steel structure according to claim 3, wherein: the support hook assembly (205) comprises a boss base plate (2051) and a metal lifting hook (2052), the upper end of the metal lifting hook (2052) penetrates through the boss base plate (2051) and is in threaded connection with a fastening nut (2053), the boss base plate (2051) is fixedly connected with the combined cross beam (201) through a bolt, and a cable hanging disc (6) is arranged below the metal lifting hook (2052).
5. The sag compensation assembly for a large-span steel structure according to claim 4, wherein: the top of hawser platform sling (6) is provided with articulates complex metal suspension clasp (601) with metal lifting hook (2052), and metal suspension clasp (601) passes through bolt fixed connection with hawser platform sling (6), metal lifting hook (2052) are connected with the rope platform sling through metal suspension clasp (601), the bottom of hawser platform sling (6) and the one end fixed connection of metal hawser (602), hawser platform sling (6) are connected with hanging a position capstan winch subassembly (5) through metal hawser (602).
6. The sag compensation assembly for a large-span steel structure according to claim 5, wherein: the hoisting winch assembly (5) comprises a winding roller (502) and an anchoring support (501), two ends of the winding roller (502) are rotatably connected with the anchoring support (501), a power input end of the winding roller (502) is fixedly connected with an output shaft of a motor (504) through a coupler (503), and the other end of a metal cable (602) is wound on the winding roller (502).
7. The sag compensation assembly for a large-span steel structure according to claim 6, wherein: a gantry support (506) is arranged above the wind-up roll (502), a compressing roll (507) is rotatably connected below the gantry support (506), the compressing roll (507) is attached to the wind-up roll (502), hydraulic cylinders (505) are fixedly connected between two ends of the gantry support (506) and the anchoring supports respectively, and the gantry support (506) is in telescopic connection with the anchoring supports (501) through the hydraulic cylinders (505).
8. The sag compensation assembly for a large-span steel structure according to claim 7, wherein: enclose frame built-up (4) and include X type support (401) that the multiunit connected in order, switching backing plate (402) have been welded respectively at the top of the central crossing position of X type support (401) and the top of four corners position, and each strengthens axostylus axostyle (3) and corresponding X type support (401) central crossing position and four corners position switching backing plate (402) welded fastening, the switching backing plate (402) of X type support (401) four corners position and relevant position combination crossbeam (201) or steel construction factory building (1) fixed connection.
9. A large-span steel structure depression compensation method is characterized by comprising the following steps: the large-span steel structure depression compensation assembly based on any one of claims 1 to 8, comprising the following steps:
s1: firstly, the fulcrum stabilizing brackets (204) are installed and fixed on two sides of the top of the steel structure factory building (1) according to a specified interval, and after the fulcrum stabilizing brackets (204) are arranged, hoisting winch assemblies (5) are installed below the fulcrum stabilizing brackets (204);
s2: erecting a combined cross beam (201), placing the outer end of the combined cross beam (201) in a groove of a fulcrum stabilizing support frame (204), fixing a pillow block base plate (2051) on the combined cross beam (201) through bolts after the combined cross beam (201) is placed in place, hanging a metal hook (2052) on a metal hanging buckle (601), and fixing one end of a metal cable (602) at the bottom of a cable hanging tray (6);
s3: starting a motor (504), wherein the motor (504) drives a winding roller (502) to rotate, so that a metal cable (602) is tightened, the combined cross beam (201) can be vertically adjusted by taking a fulcrum stabilizing support (204) as a fulcrum, and after the heights of the butt ends of two combined cross beams (201) in the same set of ladder frame cross beams (2) are level, a triangular bridging support (202) is fixedly connected with the two combined cross beams (201) through bolts;
s4: after ladder frame crossbeam (2) built the completion, will enclose frame built (4) and lay and fix the both ends in steel construction factory building (1), will strengthen axostylus axostyle (3) again and lay in ladder frame crossbeam (2) and enclose the top of frame built (4) and fixed, after the top structure of whole factory building was built, fix with ladder frame crossbeam (2) to the firm strut of fulcrum (204) through the bolt, then remove and hang position capstan winch subassembly (5) and support position lifting hook subassembly (205).
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| CN202210802716.8A CN115162522B (en) | 2022-07-07 | 2022-07-07 | Large-span steel structure concave compensation assembly and method |
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| CN202210802716.8A CN115162522B (en) | 2022-07-07 | 2022-07-07 | Large-span steel structure concave compensation assembly and method |
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| CN115162522B (en) | 2023-11-14 |
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