CN115162522B - Large-span steel structure concave compensation assembly and method - Google Patents
Large-span steel structure concave compensation assembly and method Download PDFInfo
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- CN115162522B CN115162522B CN202210802716.8A CN202210802716A CN115162522B CN 115162522 B CN115162522 B CN 115162522B CN 202210802716 A CN202210802716 A CN 202210802716A CN 115162522 B CN115162522 B CN 115162522B
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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 19
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 26
- 238000010276 construction Methods 0.000 claims abstract description 19
- 239000002184 metal Substances 0.000 claims description 57
- 230000000712 assembly Effects 0.000 claims description 28
- 238000000429 assembly Methods 0.000 claims description 28
- 230000000087 stabilizing effect Effects 0.000 claims description 26
- 210000001503 joint Anatomy 0.000 claims description 20
- 238000004804 winding Methods 0.000 claims description 20
- 238000004873 anchoring Methods 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 4
- 230000008569 process Effects 0.000 description 9
- 230000009471 action Effects 0.000 description 4
- 238000005056 compaction Methods 0.000 description 4
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 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
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000010030 laminating 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
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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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- 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 utility model discloses a large-span steel structure concave compensation component and a method, and belongs to the technical field of large-span steel structures. The large-span steel structure is sunken to compensate subassembly including evenly setting up the multiunit ladder frame crossbeam in steel construction factory building top, the width direction that the ladder frame crossbeam was followed the steel construction factory building extends, the both ends below of ladder frame crossbeam is connected with respectively and hangs position capstan winch subassembly, and hangs 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 encloses frame and pass through bolt fixed connection with ladder frame crossbeam and steel construction factory building, and a plurality of reinforcing axostylus axostyles have been placed to the top of two frame frames, and reinforcing axostylus axostyle by a plurality of, reinforcing axostylus axostyle and frame crossbeam welded fastening, and reinforcing axostylus axostyle and ladder frame crossbeam mutually perpendicular. The utility model can avoid falling or collapse of the bridge point caused by uneven stress during span connection, and ensure the construction efficiency.
Description
Technical Field
The utility model relates to a large-span steel structure concave compensation component and a 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 types of building structures. The Chinese patent with the authorized bulletin number of CN206829353U and the authorized bulletin day of 2018.01.02 discloses a large-span steel structure, which comprises a structure top frame, an upper beam, a lower beam and a structure supporting rod, wherein a top frame connecting rod is arranged on the outer side of the structure top frame, the lower end of the structure top frame is fixed on the structure supporting rod, an upper beam placing seat and a lower beam placing seat are arranged on the inner side of the structure top frame, a supporting hinge is arranged between the upper beam and the lower beam, and fixing plugs are arranged on two sides of the supporting hinge. According to the utility model, through the design of the large-span steel structure, the connecting shaft is arranged between the structural roof racks, the supporting hinge is arranged between the upper cross beam and the lower cross beam, the hinged connection is realized between the connecting rods in the supporting hinge, the supporting shape of the supporting hinge can be changed under the action of external force, and the fixing plugs are arranged at the two ends of the supporting hinge, so that the supporting hinge can play a supporting role between the two cross beams.
However, the large-span steel structure does not consider the situation that the support between the top frame and the cross beam is stable in the installation process, and the framework is collapsed easily due to uneven support stress in the erection process of the large-span steel structure.
Disclosure of Invention
The utility model aims to solve the technical problems of the prior art, and provides a large-span steel structure sag compensation assembly and a large-span steel structure sag compensation method.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a sunken compensation subassembly of large-span steel construction, it includes the multiunit ladder frame crossbeam of evenly setting up 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 and hangs position capstan winch subassembly, and hangs 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 encloses frame and ladder frame crossbeam and steel construction factory building and pass through bolt fixed connection, and a plurality of reinforcing axostylus axostyles have been placed to the top of two frame frames, and reinforcing axostylus axostyle by a plurality of, reinforcing axostylus axostyle and frame crossbeam welded fastening of enclosing frame and ladder frame crossbeam mutually perpendicular, the ladder frame crossbeam includes two butt joint's combination crossbeams, the ladder is worn groove has been offered to the opposite end symmetry of two end axle frames each other.
Preferably, welding spot reinforcing ribs are arranged on two sides of the combined cross beam and 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, the fulcrum stabilizing support frame used for supporting the combined beam is fixedly connected to the lower portion of the combined beam on the two sides of the top of the steel structure factory building, a groove used for placing the combined beam is formed in the fulcrum stabilizing support frame, and a position supporting hook component fixedly connected with the bottom of the combined beam is arranged on the outer side of the fulcrum stabilizing support frame.
Preferably, the support position lifting hook assembly comprises a pillow block base plate and a metal lifting hook, wherein the upper end of the metal lifting 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 plate is arranged below the metal lifting hook.
Preferably, the top of the cable hanging scaffold is provided with a metal hanging buckle which is in hooking fit with the metal hanging scaffold, the metal hanging buckle is fixedly connected with the cable hanging scaffold through a bolt, the metal hanging scaffold is connected with the rope hanging scaffold through the metal hanging buckle, the bottom of the cable hanging scaffold is fixedly connected with one end of a metal cable, and the cable hanging scaffold is connected with the hanging winch assembly through the metal cable.
Preferably, the hanging winch assembly comprises a winding roller and an anchoring support, two ends of the winding roller are rotationally connected with the anchoring support, a power input end of the winding roller is fixedly connected with an output shaft of a motor through a coupler, and the other end of the metal cable is wound on the winding roller.
Preferably, a gantry frame is arranged above the wind-up roller, a pinch roller is rotationally connected to the lower portion of the gantry frame, the pinch roller is attached to the wind-up roller, hydraulic cylinders are fixedly connected between two ends of the gantry frame and the anchoring support respectively, and the gantry frame is in telescopic connection with the anchoring support through the hydraulic cylinders.
Preferably, the surrounding frame comprises a plurality of groups of X-shaped brackets which are sequentially connected, the tops of the center crossing positions and the tops of the four corners of the X-shaped brackets are respectively welded with a transfer backing plate, each reinforcing shaft rod is welded and fixed with the transfer backing plate of the center crossing position and the four corners of the corresponding X-shaped bracket, and the transfer backing plates of the four corners of the X-shaped brackets are fixedly connected with the combined cross beam or the steel structure factory building of the corresponding position.
The utility model also provides a large-span steel structure concave compensation method based on the large-span steel structure concave compensation component, which comprises the following steps:
s1: firstly, mounting and fixing the fulcrum stabilizing support frames on two sides of the top of a steel structure factory building according to a specified interval, and mounting hanging winch components below each fulcrum stabilizing support frame after the fulcrum stabilizing support frames are arranged;
s2: erecting a combined beam, placing the outer side end of the combined beam in a groove of a pivot stabilizing support, fixing a pillow block substrate on the combined beam through bolts after the combined beam is placed in place, hooking a metal hanger on a metal hanging buckle, and fixing one end of a metal cable at the bottom of a cable hanging plate;
s3: starting a motor, driving a wind-up roller to rotate by the motor, tightening a metal cable, adjusting the vertical position of the combined cross beam by taking a pivot stable support as a pivot, and fixedly connecting a triangular bridging bracket with the two combined cross beams through bolts after the butt joint ends of the two combined cross beams in the same group of ladder frame cross beams are level;
s4: after the building of the cross beam of the ladder frame is completed, the surrounding frame is paved and fixed at two ends of the steel structure factory building, the reinforcing shaft rod is paved and fixed above the cross beam of the ladder frame and the surrounding frame, after the building of the top structure of the whole factory building is completed, the supporting point stabilizing support frame and the cross beam of the ladder frame are fixed through bolts, and then the hanging winch component and the supporting lifting hook component are removed.
Compared with the prior art, the utility model has the beneficial effects that:
1. after the preset structure is built, the ladder frame cross beams are erected in the grooves of the pivot stable supporting frames from two sides of the steel structure factory building, after the ladder frame cross beams are placed in place, the position supporting hook assemblies are connected with the position hanging winch assemblies by the aid of the cable hanging trays, the position hanging winch assemblies are started, cables are driven to be tightened by the motors, at the moment, the ladder frame cross beams can adjust the height up and down by taking the supporting frames as the pivot, the operation values of the position hanging winch assemblies on the same horizontal line are adjusted, the ladder frame cross beams at the two ends are kept in high fit, then the connecting areas between the two end frame cross beams are fixed by the triangular bridging frames, the position supporting winch assemblies and the position hanging winch assemblies can be stretched and supported in the erecting process of the ladder frame cross beams, falling or collapse of bridge points due to uneven stress can be avoided when the spans are connected, the position hanging winch assemblies and the position hanging winch assemblies can assist in building the top of the whole factory building, and construction efficiency is guaranteed;
2. according to the utility model, after the opposite ends of the two bottom shaft brackets are in butt joint, the trapezoid through grooves on the two bottom shaft brackets can form a hexagonal groove body structure, and in the actual use process, whether the girder structure is inserted and fixed in the trapezoid 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 cross beam can be further improved;
3. according to the utility model, the triangular bridging support is positioned at the butt joint end of the two combined beams, after the height of the combined beams is adjusted, the triangular bridging support is fixed at the butt joint end of the combined beams through bolts, so that the situation that the butt joint end of the combined beams is submerged is prevented, and the fixed ladder frame beams are in a triangular arched beam structure;
4. according to the utility model, the winding and unwinding operation of the metal cable is controlled by driving the winding roller to rotate through the motor, the butt joint end of the combined cross beam is tilted when the metal cable is contracted, otherwise, the butt joint end of the combined cross beam is sunk when the metal cable is relaxed, and the compaction roller can perform lifting operation through the hydraulic cylinders at the two ends, so that the compaction roller can perform compaction and tensioning on the cable in the winding and unwinding process, and the dislocation and deviation of the cable are avoided.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a large-span steel structure sag compensation assembly according to the present utility model;
FIG. 2 is a schematic view of the structure of the enclosure frame of the present utility model;
FIG. 3 is a schematic view of the structure of a ladder beam of the present utility model;
FIG. 4 is a schematic view of the structure of the midsole stand of the present utility model;
FIG. 5 is a schematic illustration of the attachment of the bracket hook assembly to the cable drum of the present utility model;
FIG. 6 is a schematic view of the construction of the hoist winch assembly of the present utility model.
In the figure: 1. steel structure factory building; 2. a ladder frame beam; 3. a reinforcing shaft; 4. building a surrounding frame; 5. a hoist winch assembly; 6. a cable hanging scaffold; 201. a combined beam; 202. a triangular bridging support; 203. welding spot reinforcing ribs; 204. the supporting point stabilizes the supporting frame; 205. a carrier hook assembly; 2011. a bottom shaft bracket; 2012. trapezoidal through grooves; 2051. a pillow block substrate; 2052. a metal hook; 2053. a fastening nut; 401. an X-shaped bracket; 402. a transfer backing plate; 501. an anchor bracket; 502. a wind-up roll; 503. a coupling; 504. a motor; 505. a hydraulic cylinder; 506. a gantry is put up; 507. a pinch roller; 601. a metal hanging buckle; 602. a metal cable.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
A large-span steel structure dent compensation component comprises a plurality of groups of ladder frame beams 2 which are uniformly erected above a steel structure factory building 1, wherein the ladder frame beams 2 extend along the width direction of the steel structure factory building 1, hanging winch components 5 are respectively connected below two ends of the ladder frame beams 2, the hanging winch components 5 are arranged outside the steel structure factory building 1, surrounding frame frames 4 are respectively arranged above the steel structure factory building 1 along two ends of the length direction of the steel structure factory building, the surrounding frame frames 4 are fixedly connected with the ladder frame beams 2 and the steel structure factory building 1 through bolts, a plurality of reinforcing shaft rods 3 are arranged above the two surrounding frame frames 4, and strengthen axostylus axostyle 3 by a plurality ofly, strengthen axostylus axostyle 3 and enclose frame 4 and ladder frame crossbeam 2 welded fastening, and strengthen axostylus axostyle 3 and ladder frame crossbeam 2 mutually perpendicular, enclose frame 4 and include the X type support 401 that the multiunit is connected in order, the top at the central intersection position of X type support 401 and the top at four corners position have welded switching backing plate 402 respectively, and each strengthens axostylus axostyle 3 and the switching backing plate 402 welded fastening of corresponding X type support 401 central intersection position and four corners position, the switching backing plate 402 at X type support 401 four corners position and the combination crossbeam 201 or the steel construction factory building 1 fixed connection of relevant position.
Before erecting the ladder frame beam 2 at the top of the factory building, the pivot stable supporting frames 204 are required to be installed and fixed at two sides of the top of the steel structure factory building 1 according to a specified interval, after the pivot stable supporting frames 204 are arranged, the hanging winch assemblies 5 are installed below the pivot stable supporting frames 204, and the installed hanging winch assemblies 5 are located under the supporting hook assemblies 205, so that the metal cables 602 can be prevented from pulling out the ladder frame beam 2 during shrinkage. After the construction of the preset structure is completed, the ladder frame cross beams 2 are erected in the grooves of the pivot stabilizing support frames 204 from two sides of the steel structure factory building 1, after the ladder frame cross beams 2 are placed in place, the position supporting hook assemblies 205 are connected with the position hanging winch assemblies 5 by means of the cable hanging reels 6, the position hanging winch assemblies 5 are started, the cables are driven to tighten by the motors, at the moment, the ladder frame cross beams 2 can adjust the height of the position hanging winch assemblies 5 by taking the support frames as the pivot, the operation values of the position hanging winch assemblies 5 on the same horizontal line are adjusted, the ladder frame cross beams 2 connected with the two ends are kept in high fit, then the connection areas between the two are fixed through the triangular bridging supports 202, the lifting process of the ladder frame cross beams 2 can be supported in a stretching mode by means of the position hanging winch assemblies 5 and the position hanging winch assemblies 205, falling or collapse of the bridge points due to uneven stress can be avoided during span connection, the position hanging winch assemblies 5 and the position hanging winch assemblies 205 can assist in the construction of the top of the whole factory building, and construction efficiency is guaranteed.
After the ladder frame beam 2 is built, the surrounding frame lap frame 4 is paved at two ends of the steel structure factory building 1, then the reinforcing shaft rod 3 is paved above the ladder frame beam 2 and the surrounding frame lap frame 4, and the surrounding frame lap frame 4 is fixedly connected, so that the contact area between the reinforcing shaft rod 3 and the ladder frame beam 2 and the steel structure factory building 1 can be enhanced, and the bearing force is uniformly distributed.
The ladder frame beam 2 comprises two combined beams 201 which are mutually butted, the combined beams 201 comprise two bottom shaft frames 2011 which are mutually butted, trapezoid penetrating grooves 2012 are symmetrically formed in opposite ends of the two bottom shaft frames 2011, welding point reinforcing ribs 203 are arranged on two sides of the combined beams 201 and perpendicular to the bottom shaft frames 2011, the welding point reinforcing ribs 203 are in welded connection with the bottom shaft frames 2011, triangular bridging supports 202 are symmetrically arranged at butt ends of the two combined beams 201, the triangular bridging supports 202 are fixedly connected with the combined beams 201 through bolts, fulcrum stabilizing frames 204 used for supporting the combined beams 201 are fixedly connected to the lower portions of the two sides of the top of the steel structure factory building 1, grooves used for placing the combined beams 201 are formed in the fulcrum stabilizing frames 204, position supporting hook assemblies 205 fixedly connected with the bottoms of the combined beams 201 are arranged on the outer sides of the fulcrum stabilizing frames 204, and position supporting hook assemblies 205 are arranged on the outer sides of the steel structure factory building 1.
After opposite ends of the two bottom shaft frames 2011 are in butt joint, the trapezoid through grooves 2012 on the two bottom shaft frames 2011 can form a hexagonal groove body structure, in the process of actual use, whether the beam body structure is inserted and fixed in the trapezoid through grooves 2012 can be selected according to the bearing condition of the top of a factory building, and therefore the stability of the whole ladder frame cross beam 2 can be further improved.
The triangular bridging support 202 is positioned 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 situation that the butt joint end of the combined beams 201 is sunk is prevented, and the ladder frame beams 2 are in a triangular arched beam structure after the fixing is completed.
The pivot stabilizing bracket 204 mainly plays a role of pivot support, and facilitates the height adjustment of the ladder frame beam 2 in the erecting process.
The support position lifting hook assembly 205 comprises a pillow block base plate 2051 and a metal lifting hook 2052, wherein the upper end of the metal lifting hook 2052 penetrates through the pillow block base plate 2051 and is in threaded connection with a fastening nut 2053, the pillow block base plate 2051 is fixedly connected with the combined beam 201 through bolts, a cable hanging plate 6 is arranged below the metal lifting hook 2052, a metal hanging buckle 601 which is in hanging fit with the metal lifting hook 2052 is arranged at the top of the cable hanging plate 6, the metal hanging buckle 601 is fixedly connected with the cable hanging plate 6 through bolts, the metal lifting hook 2052 is connected with the rope hanging plate through the metal hanging buckle 601, the bottom of the cable hanging plate 6 is fixedly connected with one end of the metal cable 602, and the cable hanging plate 6 is connected with the hanging position winch assembly 5 through the metal cable 602.
The hanging 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. The top of wind-up roll 502 is provided with longmen lapping 506, the below rotation of longmen lapping 506 is connected with pinch roller 507, and pinch roller 507 and wind-up roll 502 laminating, fixedly connected with pneumatic cylinder 505 respectively between the both ends of longmen lapping 506 and the anchor support, longmen lapping 506 passes through pneumatic cylinder 505 and anchor support 501 telescopic connection.
When the combined transverse beam 201 is in use, the metal hanging buckle 601 at the top of the cable hanging plate 6 is connected with the metal hanging hook 2052 below the pillow block base plate 2051 in a hanging mode, when the combined transverse beam is in operation, the motor 504 drives the winding roller 502 to rotate, so that the winding and unwinding operation of the metal cable 602 is controlled, when the metal cable 602 is contracted, the butt joint end of the combined transverse beam 201 is tilted, otherwise, when the metal cable 602 is relaxed, the butt joint end of the combined transverse beam 201 is sunk.
The top of wind-up roll 502 is provided with a set of pinch roller 507, and pinch roller 507 can go up and down the operation through the pneumatic cylinder 505 at both ends, can play compaction tensioning's effect to it through pinch roller 507 in the cable receive and releases like this, avoids the cable to appear dislocation skew condition.
The utility model also provides a large-span steel structure concave compensation method based on the large-span steel structure concave compensation component, which comprises the following steps:
s1: firstly, mounting and fixing the fulcrum stabilizing support frames 204 on two sides of the top of a steel structure factory building 1 according to a specified interval, and mounting hanging winch assemblies 5 below the fulcrum stabilizing support frames 204 after the fulcrum stabilizing support frames 204 are arranged;
s2: erecting a combined beam 201, placing the outer side end of the combined beam 201 in a groove of a pivot stabilizing support frame 204, fixing a pillow block substrate 2051 on the combined beam 201 through bolts after the combined beam 201 is placed in place, hanging a metal lifting hook 2052 on a metal lifting buckle 601, and fixing one end of a metal cable 602 at the bottom of a cable hanging plate 6;
s3: starting the motor 504, wherein the motor 504 drives the wind-up roller 502 to rotate so as to tighten the metal cable 602, at the moment, the combined beam 201 can adjust the up-down position by taking the pivot stable support frame 204 as a pivot, and after the butt joint ends of the two combined beams 201 in the same group of ladder frame beams 2 are level, the triangular bridging support 202 is fixedly connected with the two combined beams 201 through bolts;
s4: after the building of the ladder frame cross beam 2 is completed, the surrounding frame building frames 4 are paved and fixed at two ends of the steel structure factory building 1, the reinforcing shaft rods 3 are paved and fixed above the ladder frame cross beam 2 and the surrounding frame building frames 4, after the building of the top structure of the whole factory building is completed, the supporting point stabilizing support frames 204 and the ladder frame cross beam 2 are fixed through bolts, and then the hanging winch assemblies 5 and the supporting lifting hook assemblies 205 are removed.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a large-span steel construction concave compensation subassembly which characterized in that: the novel steel structure building comprises a plurality of groups of ladder frame beams (2) which are uniformly erected above a steel structure building (1), wherein the ladder frame beams (2) extend along the width direction of the steel structure building (1), hanging winch assemblies (5) are respectively connected below two ends of the ladder frame beams (2), the hanging winch assemblies (5) are arranged on the outer sides of the steel structure building (1), surrounding frame frames (4) are respectively arranged above the steel structure building (1) along two ends of the length direction of the steel structure building, the surrounding frame frames (4) are fixedly connected with the ladder frame beams (2) and the steel structure building (1) through bolts, a plurality of reinforcing shaft rods (3) are arranged above the two surrounding frame frames (4) and the ladder frame beams (2), the reinforcing shaft rods (3) are mutually perpendicular to the ladder frame beams (2), the combined beams (201) are in butt joint with two phases, and the combined beams (201) comprise two mutually butt joint shaft frames (2011), and two opposite base frames (2011) are symmetrically provided with two base frames 2012;
a supporting point stabilizing support frame (204) for supporting the combined beam (201) is fixedly connected to the lower portion of the combined beam (201) in the two sides of the top of the steel structure factory building (1), a groove for placing the combined beam (201) is formed in the supporting point stabilizing support frame (204), and a supporting position lifting hook component (205) fixedly connected with the bottom of the combined beam (201) is arranged on the outer side of the supporting point stabilizing support frame (204);
the supporting position lifting hook assembly (205) comprises a pillow block base plate (2051) and a metal lifting hook (2052), wherein the upper end of the metal lifting hook (2052) penetrates through the pillow block base plate (2051) and is in threaded connection with a fastening nut (2053), the pillow block base plate (2051) is fixedly connected with the combined cross beam (201) through a bolt, and a cable lifting disc (6) is arranged below the metal lifting hook (2052);
the top of cable hanging scaffold (6) is provided with and articulates complex metal hanging scaffold (601) with metal lifting hook (2052), and metal hanging scaffold (601) and cable hanging scaffold (6) pass through bolt fixed connection, metal lifting hook (2052) are connected with cable hanging scaffold (6) through metal hanging scaffold (601), the bottom of cable hanging scaffold (6) and the one end fixed connection of metal cable (602), cable hanging scaffold (6) are connected with hanging scaffold (5) through metal cable (602).
2. A large span steel structure dent compensation assembly as set forth in claim 1, wherein: welding spot reinforcing ribs (203) are arranged on two sides of the combined cross beam (201), the welding spot reinforcing ribs (203) are perpendicular to the bottom shaft frame (2011), the welding spot reinforcing ribs (203) are connected with the bottom shaft frame (2011) in a welding mode, triangular bridging supports (202) are symmetrically arranged at butt joint ends of the two combined cross beams (201), and the triangular bridging supports (202) are fixedly connected with the combined cross beam (201) through bolts.
3. A large span steel structure dent compensation assembly as set forth in claim 2, wherein: the hoisting winch assembly (5) comprises a winding roller (502) and an anchoring support (501), two ends of the winding roller (502) are rotationally 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).
4. A large span steel structure dent compensation assembly as set forth in claim 3, wherein: the winding roller is characterized in that a gantry frame (506) is arranged above the winding roller (502), a pinch roller (507) is rotationally connected to the lower portion of the gantry frame (506), the pinch roller (507) is attached to the winding roller (502), hydraulic cylinders (505) are fixedly connected between two ends of the gantry frame (506) and the anchoring support respectively, and the gantry frame (506) is in telescopic connection with the anchoring support (501) through the hydraulic cylinders (505).
5. The large span steel structure sag compensation assembly of claim 4, wherein: the surrounding frame building frame (4) comprises a plurality of groups of X-shaped brackets (401) which are sequentially connected, the tops of the center crossing positions and the tops of the four corners of the X-shaped brackets (401) are respectively welded with a switching base plate (402), each reinforcing shaft rod (3) is welded and fixed with the corresponding X-shaped bracket (401) at the center crossing position and the corresponding switching base plate (402) at the four corners, and the switching base plate (402) at the four corners of the X-shaped bracket (401) is fixedly connected with the combined cross beam (201) or the steel structure factory building (1) at the corresponding positions.
6. A large-span steel structure dent compensation method is characterized in that: it is based on the large-span steel structure sag compensation assembly of claim 5, comprising the steps of:
s1: firstly, mounting and fixing fulcrum stabilizing brackets (204) on two sides of the top of a steel structure factory building (1) according to a specified interval, and mounting hanging winch assemblies (5) below the fulcrum stabilizing brackets (204) after the fulcrum stabilizing brackets (204) are arranged;
s2: erecting a combined beam (201), placing the outer side end of the combined beam (201) in a groove of a pivot stabilizing support (204), fixing a pillow block substrate (2051) on the combined beam (201) through bolts after the combined beam (201) is placed in place, hanging a metal lifting hook (2052) on a metal hanging buckle (601), and fixing one end of a metal cable (602) at the bottom of a cable hanging plate (6);
s3: starting a motor (504), wherein the motor (504) drives the wind-up roller (502) to rotate so as to tighten the metal cable (602), the combined cross beam (201) can adjust the vertical position by taking the pivot stable support frame (204) as a pivot, and after the butt joint ends of two combined cross beams (201) in the same group of ladder frame cross beams (2) are flush, the triangular bridging support (202) is fixedly connected with the two combined cross beams (201) through bolts;
s4: after the building of the ladder frame cross beam (2), the surrounding frame building frames (4) are paved and fixed at the two ends of the steel structure factory building (1), the reinforcing shaft rods (3) are paved and fixed above the ladder frame cross beam (2) and the surrounding frame building frames (4), after the building of the top structure of the whole factory building is finished, the supporting point stabilizing frame (204) and the ladder frame cross beam (2) are fixed through bolts, and then the hanging winch component (5) and the supporting lifting hook component (205) are removed.
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| CN115162522A (en) | 2022-10-11 |
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