CN110469102B - High-altitude combined steel beam member installation operation platform and construction method thereof - Google Patents
High-altitude combined steel beam member installation operation platform and construction method thereof Download PDFInfo
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- CN110469102B CN110469102B CN201910852621.5A CN201910852621A CN110469102B CN 110469102 B CN110469102 B CN 110469102B CN 201910852621 A CN201910852621 A CN 201910852621A CN 110469102 B CN110469102 B CN 110469102B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 371
- 239000010959 steel Substances 0.000 title claims abstract description 371
- 238000010276 construction Methods 0.000 title claims abstract description 29
- 238000009434 installation Methods 0.000 title claims abstract description 26
- 230000001681 protective effect Effects 0.000 claims description 16
- 230000000712 assembly Effects 0.000 claims description 10
- 238000000429 assembly Methods 0.000 claims description 10
- 238000004873 anchoring Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims 2
- 239000000463 material Substances 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 235000017399 Caesalpinia tinctoria Nutrition 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 241000388430 Tara Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
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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
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
- E04G3/30—Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables
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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
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
- E04G3/30—Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables
- E04G3/32—Hoisting devices; Safety devices
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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
- E04G5/00—Component parts or accessories for scaffolds
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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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/001—Safety or protective measures against falling down relating to scaffoldings
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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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
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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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/14—Railings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention relates to a high-altitude combined steel beam member installation operation platform, which comprises structural beams, steel wire rope protection systems, steel wire rope bearing systems, traction steel wire ropes and a sliding operation platform, wherein the steel wire rope protection systems are arranged between the structural beams and comprise steel wire ropes; the steel wire rope bearing system is arranged between the structural beams, is positioned right above the steel wire rope protection system and comprises all steel wire ropes; the traction steel wire rope is arranged between structural beams above the steel wire rope bearing system, the lower end of the sliding operation platform is arranged on the steel wire rope through a pulley assembly, and the upper end of the sliding operation platform is arranged on the traction steel wire rope through a locking buckle; the construction method comprises the steps of installing a steel wire rope protection system, a steel wire rope bearing system and a traction steel wire rope, installing a sliding operation platform and installing the sliding operation platform between the steel wire rope bearing system and the traction steel wire rope. The invention can effectively solve the problems of large workload, long construction period and large material consumption of steel pipes, fasteners and the like in the traditional construction method of the high and large space operation platform.
Description
Technical Field
The invention relates to the technical field of steel beam component installation, in particular to a high-altitude combined steel beam component installation operation platform and a construction method thereof.
Background
Along with the development of diversification of building design plane layout, the large plane size of partial buildings is continuously emerging, the requirements of building lighting and fire control layout are considered, the large lighting well is arranged in the middle of a building plane, the plane size of the lighting well is relatively large, various steel structure structures are adopted, the structure of a partial lighting roof longitudinally adopts steel beams and transversely adopts steel purlines as supporting forms, and for a space structure with large height, the traditional construction mode adopts a scaffold with a full hall as a steel structure working platform, due to large height and large area, the steel pipes and fastener materials required for the full hall support are very large in consumption, and the construction workload required for erection and dismantling is very large, and the construction period of the lower site is occupied.
Therefore, there is a need to design a new technical solution to comprehensively solve the problems existing in the prior art.
Disclosure of Invention
The invention aims to provide an overhead combined steel beam member installation operation platform and a construction method thereof, which can effectively solve the problems of large workload, long construction period, large material consumption of steel pipes, fasteners and the like in the traditional construction method.
In order to solve the technical problems, the invention adopts the following technical scheme:
The high-altitude combined steel beam member installation operation platform comprises structural beams, and further comprises a steel wire rope protection system, a steel wire rope bearing system, traction steel wire ropes and a sliding operation platform, wherein the steel wire rope protection system is arranged between the structural beams and comprises steel wire ropes which are equidistantly arranged at intervals along the main axis direction of the steel beam; the steel wire rope bearing systems are arranged between the structural beams and are positioned right above the steel wire rope protection systems, and each steel wire rope bearing system comprises steel wire ropes which are equidistantly and at intervals along the main axis direction of the steel beam; the traction steel wire ropes are arranged between structural beams above the steel wire rope bearing system and are arranged at equal intervals along the main axis direction of the steel beam, the sliding operation platform comprises a platform base assembly and protective railing assemblies arranged on the periphery of the platform base assembly, the lower end of the platform base assembly is arranged on the steel wire ropes of the steel wire rope bearing system in a sliding mode through pulley assemblies, and the upper end of the protective railing assemblies is arranged on the traction steel wire ropes in a sliding mode through locking buckles.
The further scheme is, platform base subassembly includes the rectangle frame that vertical bottom square steel constitutes, the protection railing subassembly includes each vertical pole setting of vertical arrangement and each horizontal pole of horizontal arrangement, vertical pole setting passes through the connecting pin equidistance interval to be set up on the rectangle frame, horizontal pole fixed connection each vertical pole setting.
The pulley assembly is provided with two groups, and every group pulley assembly is provided with two, and every group pulley assembly passes through the horizontal fixed square steel connection of pulley, pulley assembly includes the pulley yoke, the pulley yoke is provided with the leading-in pole that outer splayed was arranged in the below, the pulley yoke top links to each other with the horizontal fixed square steel of pulley through the angle sign indicating number, the top of the horizontal fixed square steel of pulley pass through the angle sign indicating number connect in platform base subassembly bottom side, wire rope of wire rope bearing system wears to establish the junction of pulley yoke and leading-in pole, just be provided with the pulley round pin axle on the pulley yoke of wire rope's below.
The further scheme is that the fixed ends of the steel wire ropes are all connected with the structural beam by adopting a fixed connection structure, the fixed connection structure comprises a steel wire rope fixing clamp, a fixed end steel wire rope fixing pipe, a fixing frame backing plate and a supporting steel pipe, a reserved hole is formed in the structural beam at a preset position, one end of each steel wire rope is located at the outer end of the reserved hole, the supporting steel pipe is sleeved on the steel wire ropes, one end, away from the reserved hole, of each supporting steel pipe is provided with a fixed end steel wire rope fixing pipe used for anchoring, the end part of each steel wire rope is connected with the steel wire ropes through the steel wire rope fixing clamp after being wound on the fixed end steel wire rope fixing pipe, the steel wire rope fixing clamp is located in the supporting steel pipe, and the fixing frame backing plate is arranged between the supporting steel pipe and the structural beam.
The further scheme is that the fastening ends of the steel wire ropes are all connected with the structural beam through fastening connection structures, the fastening connection structures comprise supporting vertical rods, fastening end steel wire rope fixing pipes, vertical supporting connecting rods, horizontal supporting connecting rods and supporting rod bottom plates, reserved holes are formed in the preset positions of the structural beam, the other ends of the steel wire ropes are located at the outer ends of the reserved holes, the supporting vertical rods and the steel wire ropes are arranged in the same direction in the rope length direction, four steel wire ropes are located between the supporting vertical rods, four supporting vertical rods form a four-column type combined steel pipe supporting frame, one ends, far away from the structural beam, of the four-column type combined steel pipe supporting frame are connected with the horizontal supporting connecting rods through the vertical supporting connecting rods, fastening end steel wire rope fixing pipes are further arranged outside the vertical supporting connecting rods, the end portions of the steel wire ropes are connected with the steel wire ropes through steel wire rope fixing clamps after winding the fastening end steel wire rope fixing pipes, the steel wire rope fixing clamps are located in the four-column type combined steel pipe supporting frames, and the supporting rod bottom plates are arranged between the four-column type combined steel pipe supporting frames.
The PVC pipe is pre-buried in the reserved hole.
The further scheme is that a safety net is sleeved outside the steel wire rope of the steel wire rope protection system.
The construction method for the high-altitude combined steel beam member installation operation platform comprises the following steps:
In the construction stage of the structural beam, a preformed hole is formed in the structural beam according to the arrangement positions of the steel wire rope protection system and the steel wire rope bearing system, and a PVC pipe for threading a steel wire rope is pre-buried in the preformed hole;
After the structural beam is disassembled, a steel wire rope is pulled in a lower layer of preformed holes along the main axis direction of the steel beam according to a set interval, and a safety net is sleeved on the steel wire rope to form a steel wire rope protection system;
A steel wire rope is pulled in the upper layer of preformed holes along the main axis direction of the steel beam according to a set interval to form a steel wire rope bearing system;
A traction steel wire rope is erected between the structural beams at two sides and above the steel wire rope bearing system through a steel pipe supporting frame and is used as a steel platform sliding pull rope;
The pulley assembly is positioned on a steel wire rope of the steel wire rope bearing system, the platform base assembly is connected with the pulley block, then the protective railing assembly is arranged on the platform base assembly, the protective railing assembly is provided with a locking buckle, and the protective railing assembly is connected with the traction steel wire rope through the locking buckle to form a sliding operation platform;
Installing and connecting upper components between two adjacent steel beams in the sliding operation platform, taking out the sliding operation platform step by step after the installation is completed, moving the sliding operation platform to between the next group of steel beams, installing cross components between the steel beams in place, and repeatedly completing the installation of the steel structure;
After the steel structure member is installed, the traction steel wire rope and the sliding operation platform are removed, the steel wire rope bearing system positioned at the upper part is removed, and finally the safety net and the steel wire rope protection system positioned at the lower part are removed.
According to the high-altitude combined steel beam member installation operation platform and the construction method thereof, the sliding operation platform is erected in a manner of pulling steel wire ropes on the reinforced concrete structure beams at two ends of the steel structure beams, prestress tensioning of the steel beams and connection construction of the transverse members and the steel beams are achieved, and finally construction of daylighting roofs is completed, so that workload of the operation platform required by construction of the steel beam daylighting roofs can be greatly reduced, a large number of steel pipes and fasteners are saved, a large number of labor days required by erection and dismantling of full hall frames are saved, overall cost is within 15% of that of erection of full hall support platforms, and construction cost is saved.
Drawings
FIG. 1 is a schematic structural view of an operation platform for installing high-altitude combined steel beam members;
FIG. 2 is a schematic diagram of the arrangement of the protective steel wire rope according to the present invention;
FIG. 3 is a schematic view of a safety net threaded on a protective steel wire rope;
FIG. 4 is a schematic structural view of the fixing structure according to the present invention;
FIG. 5 is a front view of a welded connection of a fastening connection according to the present invention;
FIG. 6 is a cross-sectional view of a welded connection of a fastening connection according to the present invention;
FIG. 7 is an elevation view of a pinned connection of the fastening connection of the present invention;
FIG. 8 is a cross-sectional view of a pinned connection of a fastening connection according to the present invention;
FIG. 9 is a side view of the skid platform of the present invention;
FIG. 10 is a top view of the skid platform of the present invention;
FIG. 11 is a schematic view of the pulley assembly of the present invention;
FIG. 12 is a cross-sectional view of a skate assembly of the present invention.
In the figure: 1. a wire rope; 11. a safety net; 12. traction wire rope; 13. a locking buckle; 2. a fixed connection structure; 21. a steel wire rope fixing clip; 22. a fixed end steel wire rope fixed pipe; 23. a fixed frame backing plate; 24. supporting the steel pipe; 3. fastening the connecting structure; 31. supporting the upright rod; 32. fastening the end steel wire rope fixing tube; 33. a vertical support connecting rod; 34. a horizontal support connecting rod; 35. a support bar base plate; 36. a short connecting pipe; l-shaped round steel; 4. a pulley assembly; 41. a pulley frame; 42. pulley pin shaft; 43. the pulley is transversely fixed with square steel; 44. an angle code; 45. connecting anchor nails among the longitudinal and transverse square steel; 46. a connecting bolt; 47. an introduction rod; 5. a platform base assembly; 51. longitudinal bottom square steel; 52. a connecting rod; 53. a connecting pin; 6. a guard rail assembly; 61. a vertical upright rod; 62. a horizontal bar; 63. a vertical pole setting connector; 64. a horizontal rod connecting piece; 7. a structural beam; 8. winding the steel beam; 81. a steel beam structure support; 82. tensioning a string steel girder prestress cable; 83. string steel beam stay bars; 9. a steel beam; 10. and (5) a main purlin.
Detailed Description
The present invention will be specifically described with reference to examples below in order to make the objects and advantages of the present invention more apparent. It should be understood that the following text is intended to describe only one or more specific embodiments of the invention and does not limit the scope of the invention strictly as claimed.
The technical scheme adopted by the invention is as shown in figures 1-10, the high-altitude combined steel beam member installation operation platform comprises structural beams 7, a steel wire rope protection system, a steel wire rope bearing system, traction steel wire ropes 12 and a sliding operation platform, wherein the steel wire rope protection system is arranged between the structural beams 7 and comprises steel wire ropes 1 which are equidistantly and alternately arranged along the main axis direction of the steel beam, safety nets 11 are sleeved outside the steel wire ropes of the steel wire rope protection system, the safety nets used in the embodiment are conventional safety nets, each net piece in a grid shape is 1.8m wide and 6.0m long, rope ends penetrate through grids when the steel wire ropes are pulled, the connection parts of the two safety nets are edge grids where the steel wire ropes penetrate through two net pieces at the same time, and the net pieces are arranged in a long direction, and the safety nets are particularly shown in figure 3; the steel wire rope bearing systems are arranged between the structural beams 7 and are positioned right above the steel wire rope protection systems, and each steel wire rope 1 is arranged at equal intervals along the main axis direction of the steel beam; the traction steel wire ropes 12 are arranged between the structural beams 7 above the steel wire rope bearing system, the traction steel wire ropes 12 are equidistantly arranged along the main axis direction of the steel beam, the sliding operation platform comprises a platform base assembly 5 and a protection railing assembly 6 arranged around the platform base assembly 5, the lower end of the platform base assembly 5 is arranged on the steel wire ropes of the steel wire rope bearing system in a sliding manner along the length direction of the steel wire ropes through pulley assemblies 4, the upper ends of the protection railing assemblies 6 are arranged on the traction steel wire ropes 12 in a sliding manner along the length direction of the traction steel wire ropes through locking buckles 13, the locking buckles are fixed on one side of the protection railing assembly, the traction steel wire ropes are arranged in locking buckle sliding grooves in a penetrating manner, the locking buckles are in a normally closed state, and when sliding is needed, the locking rods are pulled out, so that the steel wire ropes can freely slide in the locking buckle sliding grooves; in this embodiment, the locking buckle 13 adopts a self-closing fixing slot, when the locking buckle is required to move, the rope clamping buckle is pulled out, so that the traction steel wire rope 12 and the locking buckle 13 are loosened, the sliding operation platform is slid by pulling the traction steel wire rope, when the locking buckle is stopped, the rope clamping buckle is released, and the traction steel wire rope is clamped in the fixing slot by the locking buckle 13 through self spring pressure, so that the locking between the traction steel wire rope and the locking buckle is realized. In the embodiment, the arrangement state of the steel wire rope protection system is shown as figure 2, three steel wire ropes of the steel wire rope protection system are arranged in parallel, each span of the middle bottom layer is arranged at a spacing of 0.8m, and a safety net is arranged on the steel wire ropes in a penetrating manner; the arrangement state of the steel wire ropes of the steel wire rope bearing system is similar to that of the steel wire rope protection system, two steel wire ropes are arranged in parallel on each middle-bottom layer, and the parallel interval is 1.6m for arranging a sliding operation platform; 1 traction wire rope is arranged in each span; also seen in figure 2 is the structure of steel beams 9 arranged parallel to the steel cables, and the structure of main purlins 10 arranged perpendicular to the steel cables, the steel beams 9 and the main purlins 10 being part of the structural beam. In addition, in fig. 1, the steel girder upper chord 8, the steel girder structure support 81, the string steel girder prestress cable 82 and the string steel girder brace 83 are all part of the structure girder structure, and do not affect the installation of the installation operation platform of the high-altitude combined steel frame component.
As shown in fig. 4, the fixed ends of the steel wire ropes 1 are all connected with the structural beam 7 by adopting a fixed connection structure 2, the fixed connection structure 2 comprises a steel wire rope fixing clamp 21, a fixed end steel wire rope fixing pipe 22, a fixing frame backing plate 23 and a supporting steel pipe 24, a preformed hole is formed in the structural beam 7 at a preset position, a PVC pipe is pre-buried in the preformed hole, one end of each steel wire rope is located at the outer end of the preformed hole, the supporting steel pipe 24 is sleeved on the steel wire rope, one end, far away from the preformed hole, of each supporting steel pipe 24 is provided with a fixed end steel wire rope fixing pipe 22 for anchoring, the end of each steel wire rope is connected with the steel wire rope by the steel wire rope fixing clamp 21 after being wound on the fixed end steel wire rope fixing pipe 22, and the steel wire rope fixing clamp 21 is located in the supporting steel pipe 24, and the fixing frame backing plate 23 is further arranged between the supporting steel pipe 24 and the structural beam 7. The specific implementation method is as follows: one end of the steel wire rope 1 passes through the supporting steel pipe 24, a short steel pipe (fixed end steel wire rope fixing pipe) is used as an anchoring rod of the steel wire rope, one end of the steel wire rope is fixed by adopting a D-type steel wire rope fixing clamp, the other end of the steel wire rope passes through the PVC pipe of the reserved hole of the structural beam through a (light weight rope) traction rope, then the net rope edge of the safety net passes through the steel wire rope (the safety net does not need to be penetrated for the steel wire rope of the steel wire rope bearing system), the number of the safety nets needing to be penetrated is arranged between two structural beams, the other end of the steel wire rope is pulled out of the reserved hole of the opposite structural beam through the (light weight rope) traction rope which is pulled in advance, and then the installation of the fastening end is carried out.
The fastening ends of the steel wire ropes are connected with the structural beam 7 by adopting a fastening connection structure 3, the fastening connection structure 3 comprises a supporting upright rod 31, a steel wire rope fixing pipe 32 at the fastening end, a vertical supporting connecting rod 33, a horizontal supporting connecting rod 34 and a supporting rod bottom plate 35, a preformed hole is arranged at a preset position on the structural beam 7, and a PVC pipe is pre-buried in the preformed hole; the other end of wire rope is located the outer end of preformed hole, support pole setting 31 and wire rope's rope length direction syntropy and arrange, and support pole setting 31 is provided with four, wire rope is located between four support pole setting 31, and four support pole setting 31 constitute four column type combination steel pipe support frame, the one end that four column type combination steel pipe support frame kept away from structural beam 7 passes through vertical support connecting rod 33 and horizontal support connecting rod 34 links to each other, and vertical support connecting rod 33 still is provided with the fixed pipe 32 of fastening end wire rope outward, wire rope's tip is passed through wire rope fixing clip 21 after winding up the fixed pipe 32 of fastening end wire rope and is linked to each other with wire rope, and wire rope fixing clip 21 is located four column type combination steel pipe support frame, still be provided with bracing piece bottom plate 35 between four column type combination steel pipe support frame and the structural beam 7. After the steel wire rope passes through the preformed hole of the structural beam through the hauling rope, the four-column type combined steel pipe support frame is adopted, the steel wire rope is tensioned through the rope tightener, a short steel pipe (a steel wire rope fixing pipe at the fastening end) is adopted as an anchoring rod of the steel wire rope, then a D-type steel wire rope fixing clamp (a 304 steel wire rope clamping clamp buckle with a Tara brand in the embodiment) is fixed in the four-column type combined steel pipe support frame, and then other parallel steel wire ropes are threaded, so that the installation of a steel wire rope protection system and a steel wire rope bearing system can be completed. The vertical support connecting rods and the horizontal support connecting rods can be connected in a welding mode, as shown in fig. 5 and 6; as shown in fig. 7 and 8, the two ends of the vertical support connecting rod 33 are welded with a short connecting pipe 36 (the outer diameter of the short connecting pipe is smaller than the inner diameter of the support upright rod), the short connecting pipe 36 is inserted into the support upright rod 31 to form a sleeve joint, holes are drilled at corresponding positions of the ends of the horizontal support connecting rod 34 and the vertical support connecting rod 33, and an L-shaped round steel 37 is adopted to pass through the holes, so that the pin joint is formed between the horizontal support connecting rod 34 and the vertical support connecting rod 33.
The structure of the sliding operation platform is shown in fig. 9 and 10, the platform base assembly 5 comprises a rectangular frame formed by longitudinal bottom steel 51, the rectangular frame can be connected in a welding mode, the protection railing assembly 6 comprises vertical uprights 61 in vertical arrangement and horizontal rods 62 in horizontal arrangement, the vertical uprights 61 are arranged on the rectangular frame at equal intervals through connecting rods 52 and connecting pins 53, the horizontal rods 62 are fixedly connected with the vertical uprights 61, specifically, tubular vertical upright connectors 63 can be arranged in the middle of the vertical uprights, sheet-shaped horizontal rod connectors 64 are arranged at corresponding positions of the horizontal rods 62, and the horizontal rod connectors 64 can be inserted into the vertical upright connectors 63. The movement of the sliding operation platform on the parallel steel wire ropes is completed through small hoisting equipment (a tower crane and the like).
As shown in fig. 11 and 12, the pulley assembly 4 is provided with two groups, each group of pulley assembly 4 is provided with two, and each group of pulley assembly 4 is connected through a pulley transverse fixed square steel 43, the pulley assembly 4 comprises a pulley frame 41, the pulley frame 41 is provided with an outside splayed arranged guide-in rod 47 below, the upper part of the pulley frame 41 is connected with the pulley transverse fixed square steel 43 through a corner bracket 44 and a connecting bolt 46, the upper part of the pulley transverse fixed square steel 43 is connected to the bottom side of the platform base assembly 5 through a corner bracket 44 and a connecting anchor 45 between the transverse square steel, a steel wire rope of the steel wire rope bearing system is arranged at the joint of the pulley frame 41 and the guide-in rod 47 in a penetrating manner, and a pulley pin shaft 42 is arranged on the pulley frame 41 below the steel wire rope. Unlike available pulley assembly, the wire rope is set on the surface of the pulley groove based on the requirement of the sliding operation platform to move and reinstall, so that the pulley frame has raised guide steel plates to prevent the wire rope from slipping and guide rod to raise the speed of the wire rope.
The construction method for the high-altitude combined steel beam member installation operation platform comprises the following steps:
In the construction stage of the structural beam, a preformed hole is formed in the structural beam according to the arrangement positions of the steel wire rope protection system and the steel wire rope bearing system, and a PVC pipe for threading a steel wire rope is pre-buried in the preformed hole;
After the structural beam is disassembled, a steel wire rope is pulled in a lower layer of preformed holes along the main axis direction of the steel beam according to a set interval, and a safety net is sleeved on the steel wire rope to form a steel wire rope protection system;
A steel wire rope is pulled in the upper layer of preformed holes along the main axis direction of the steel beam according to a set interval to form a steel wire rope bearing system; specifically, the steel wire rope bearing system is one group more, and after the follow-up sliding operation platform moves between the next group of steel beams, the bearing steel wire ropes with the installation parts can be moved between the next group of steel beams for pre-tensioning;
a traction steel wire rope is erected between the structural beams at two sides and above the steel wire rope bearing system through a steel pipe supporting frame and is used as a steel platform sliding pull rope; when the traction steel wire rope is specifically erected, the traction steel wire rope is erected after the sliding operation platform is installed in place, but when the sliding operation platform is installed in place, a temporary pulling rope is needed to be used for fixing the sliding operation platform on one side of the structural beam, so that the platform is prevented from sliding due to gravity, and after the traction steel wire rope is erected and is connected with an anti-slip locking buckle on the protective railing assembly, the temporary pulling rope can be detached; the traction steel wire rope is installed by winding on a steel pipe support frame, and is fixed by adopting a D-shaped steel wire rope fixing clamp, the tensioning end is fixed by adopting a D-shaped steel wire rope fixing clamp after being tensioned by a rope tightener, and the steel pipe support frame can be fixed by adopting a mode of arranging expansion bolts on a structural beam;
The pulley assembly is positioned on a steel wire rope of the steel wire rope bearing system, the platform base assembly is connected with the pulley block, then the protective railing assembly is arranged on the platform base assembly, the protective railing assembly is provided with a locking buckle, and the protective railing assembly is connected with the traction steel wire rope through the locking buckle to form a sliding operation platform;
Installing and connecting upper components between two adjacent steel beams in the sliding operation platform, taking out the sliding operation platform step by step after the installation is completed, moving the sliding operation platform to between the next group of steel beams, installing cross components between the steel beams in place, and repeatedly completing the installation of the steel structure;
After the steel structure member is installed, the traction steel wire rope and the sliding operation platform are removed, specifically, before the sliding operation platform is taken out, the sliding operation platform is close to one side of the structural beam, a temporary pulling rope is adopted to enable the sliding operation platform to be close to the main structural beam, then the traction steel wire rope is removed, and then the sliding operation platform is moved out; and then removing the steel wire rope bearing system positioned at the upper part, and finally removing the safety net and the steel wire rope protection system positioned at the lower part.
And (3) notes: the steel wire rope of the steel wire rope protection system in the embodiment adoptsThe strength of the common steel wire rope is considered according to the fiber core, and the nominal tensile strength is 1570MPa,/>The minimum breaking force of the steel wire rope is 74.6KN; wire rope adoption of wire rope bearing system/>Model 6 x 19w+fc fiber core, nominal tensile strength 1570MPa,/>The minimum breaking force of the steel wire rope is 168KN, the diameter of the actual steel wire rope is considered according to the carrying capacity of the sliding platform, the maximum load of the sliding operation platform is considered according to 10KN, the maximum load is 500kg of 2 construction operators, 1 welding machine and the platform, namely about 5KN, the additional load is considered to be not more than 8KN, the minimum breaking force of the selected steel wire rope is considered according to 10KN, the minimum breaking force of the selected steel wire rope is considered according to 6 times of safety coefficient, and the minimum breaking force is 60KN or more, and the method adopts/>But the safety is enough in practical consideration, the load safety coefficient of the steel wire rope of the sliding platform is 10 times or more, namely the minimum breaking force is 100KN or more.
In addition, each side (on a steel wire rope) below the platform base component of the sliding operation platform is provided with two pulley components, a rigid whole is formed between the pulley components and the platform base component, although the steel wire rope is locally bent downwards after being subjected to gravity, soft contact is always formed between two bearing points, the steel wire rope is tensioned at two ends, smaller bending can only be performed on two pulley sections, and the lower side of the sliding operation platform is connected with the pulley components through pulley transverse fixed square steel, namely the platform base component is arranged on the pulley transverse fixed square steel, so that the sliding operation platform cannot be affected by the micro downward bending of the steel wire rope, namely the scheme of the invention is feasible.
It should be noted that the sliding operation platform of the invention only replaces the traditional scaffold platform, namely is only used as a working platform for construction operation of construction operators, the steel members are hoisted to the mounting points through the tower crane, the construction operators perform connection operation among the steel members on the sliding operation platform, and at most one electric welding machine and two operators are placed on the sliding operation platform and are not used as a steel member storage platform.
According to the construction method of the high-altitude combined steel beam member installation operation platform, steel beam hoisting is carried out by hoisting equipment in place, construction operators only need to straighten the main structural surfaces at two ends of the steel beam and fix the steel beam in position, and the main function of the sliding operation platform is to carry out operation connection on a transverse connection rod piece (purline) between two steel beams and a part of support rod pieces at the top of glass on the platform.
While the embodiments of the present invention have been described in detail with reference to the examples, the present invention is not limited to the above embodiments, and it will be apparent to those skilled in the art that various equivalent changes and substitutions can be made therein without departing from the principles of the present invention, and such equivalent changes and substitutions should also be considered to be within the scope of the present invention.
Claims (4)
1. The utility model provides a high altitude combination formula girder steel component installs operation platform, includes structural beam, its characterized in that: the steel wire rope protection system is arranged between the structural beams and comprises steel wire ropes which are equidistantly and at intervals along the main axis direction of the steel beam; the steel wire rope bearing systems are arranged between the structural beams and are positioned right above the steel wire rope protection systems, and each steel wire rope bearing system comprises steel wire ropes which are equidistantly and at intervals along the main axis direction of the steel beam; the traction steel wire ropes are arranged between structural beams above the steel wire rope bearing system and are equidistantly arranged along the main axis direction of the steel beam, the sliding operation platform comprises a platform base assembly and protective railing assemblies arranged on the periphery of the platform base assembly, the lower end of the platform base assembly is slidably arranged on the steel wire ropes of the steel wire rope bearing system through pulley assemblies, and the upper end of the protective railing assemblies is slidably arranged on the traction steel wire ropes through locking buckles;
The platform base assembly comprises a rectangular frame formed by longitudinal bottom square steel, the guard rail assembly comprises vertical upright rods which are vertically arranged and horizontal rods which are horizontally arranged, the vertical upright rods are arranged on the rectangular frame at equal intervals through connecting pins, and the horizontal rods are fixedly connected with the vertical upright rods;
The pulley assemblies are provided with two groups, each group of pulley assemblies is connected through pulley transverse fixed square steel, each pulley assembly comprises a pulley frame, an outer splayed guide-in rod is arranged below the pulley frame, the upper part of the pulley frame is connected with the pulley transverse fixed square steel through an angle bracket, the upper part of the pulley transverse fixed square steel is connected to the bottom side of the platform base assembly through an angle bracket, a steel wire rope of the steel wire rope bearing system is arranged at the joint of the pulley frame and the guide-in rod in a penetrating manner, and a pulley pin shaft is arranged on the pulley frame below the steel wire rope;
The fixed ends of the steel wire ropes are connected with the structural beam by adopting a fixed connection structure, the fixed connection structure comprises steel wire rope fixing clamps, fixed end steel wire rope fixing pipes, a fixing frame backing plate and a supporting steel pipe, a reserved hole is formed in a preset position on the structural beam, one end of each steel wire rope is located at the outer end of the reserved hole, the supporting steel pipe is sleeved on the steel wire ropes, fixed end steel wire rope fixing pipes used for anchoring are arranged at one end of each supporting steel pipe, and the end parts of the steel wire ropes are connected with the steel wire ropes through the steel wire rope fixing clamps after the fixed end steel wire rope fixing pipes are wound, and the steel wire rope fixing clamps are located in the supporting steel pipes;
The utility model provides a steel wire rope's fastening end all adopts fastening connection structure with the structural beam links to each other, fastening connection structure includes support pole setting, fastening end wire rope fixed pipe, vertical support connecting rod, horizontal support connecting rod and bracing piece bottom plate, be provided with the preformed hole in the preset position on the structural beam, wire rope's the other end is located the outer end of preformed hole, support pole setting and wire rope's rope length direction syntropy arrange, and support the pole setting and be provided with four, wire rope is located four support between the pole setting, and four support pole setting constitutes four column type combination steel pipe support frames, the one end that the structural beam was kept away from to four column type combination steel pipe support frames links to each other through vertical support connecting rod and horizontal support connecting rod, and still is provided with fastening end wire rope fixed pipe outside the vertical support connecting rod, wire rope's tip is around establishing behind the fastening end wire rope fixed pipe and is linked to each other with wire rope, and wire rope fixed block is located in the four column type combination steel pipe support frames, the bracing piece bottom plate sets up between four column type combination steel pipe support frames and structural beam.
2. The high-altitude composite steel beam member installation operation platform according to claim 1, wherein: PVC pipes are pre-buried in the reserved holes.
3. The high-altitude composite steel beam member installation operation platform according to claim 1, wherein: and a safety net is sleeved outside the steel wire rope of the steel wire rope protection system.
4. A construction method of the high-altitude combined steel beam member installation operation platform as claimed in any one of claims 1 to 3, comprising the steps of:
In the construction stage of the structural beam, a preformed hole is formed in the structural beam according to the arrangement positions of the steel wire rope protection system and the steel wire rope bearing system, and a PVC pipe for threading a steel wire rope is pre-buried in the preformed hole;
After the structural beam is disassembled, a steel wire rope is pulled in a lower layer of preformed holes along the main axis direction of the steel beam according to a set interval, and a safety net is sleeved on the steel wire rope to form a steel wire rope protection system;
A steel wire rope is pulled in the upper layer of preformed holes along the main axis direction of the steel beam according to a set interval to form a steel wire rope bearing system;
A traction steel wire rope is erected between the structural beams at two sides and above the steel wire rope bearing system through a steel pipe supporting frame and is used as a steel platform sliding pull rope;
The pulley assembly is positioned on a steel wire rope of the steel wire rope bearing system, the platform base assembly is connected with the pulley block, then the protective railing assembly is arranged on the platform base assembly, the protective railing assembly is provided with a locking buckle, and the protective railing assembly is connected with the traction steel wire rope through the locking buckle to form a sliding operation platform;
Installing and connecting upper components between two adjacent steel beams in the sliding operation platform, taking out the sliding operation platform step by step after the installation is completed, moving the sliding operation platform to between the next group of steel beams, installing cross components between the steel beams in place, and repeatedly completing the installation of the steel structure;
After the steel structure member is installed, the traction steel wire rope and the sliding operation platform are removed, the steel wire rope bearing system positioned at the upper part is removed, and finally the safety net and the steel wire rope protection system positioned at the lower part are removed.
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| CN111764405A (en) * | 2020-08-05 | 2020-10-13 | 上海巨鲲科技有限公司 | Combined foundation pit supporting beam string |
| CN112196247B (en) * | 2020-09-30 | 2021-12-14 | 北京港源建筑装饰工程有限公司 | Manufacturing method of steel wire rope net platform and steel wire rope net platform |
| CN114263087B (en) * | 2022-01-07 | 2022-12-27 | 中建八局第二建设有限公司 | Curb base template splicing and moving device and using method |
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