CN106703418A - Mobile safety set hanging method for large-span net shell structure roof installation - Google Patents
Mobile safety set hanging method for large-span net shell structure roof installation Download PDFInfo
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- CN106703418A CN106703418A CN201510452840.6A CN201510452840A CN106703418A CN 106703418 A CN106703418 A CN 106703418A CN 201510452840 A CN201510452840 A CN 201510452840A CN 106703418 A CN106703418 A CN 106703418A
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Abstract
The invention relates to a mobile safety set hanging method for large-span net shell structure roof installation. The length of a net shell is 120 m, the span of the net shell is 112 m, the arch height is 47 m, and colorful steel plates are adopted for roof enclosure. The method is characterized by comprising the following steps: a, making a steel ladder (6); b, arranging fixing wire ropes (3) and pulling wire ropes (4); c, making and erecting a safety net (5); d, arranging a plurality of windlasses (7) on the ground. The mobile safety set hanging method for large-span net shell structure roof installation has the advantages that a mobile safety set device is simple in the structure, convenient to make, fast to lay, flexible to use, convenient to adjust, safe and reliable, the efficiency of large-span net shell structure roof installation is improved, and the engineering construction cost is reduced.
Description
Technical field
It is that the large span latticed shell structure roofing installation moving type security net used in a kind of work China Democratic National Construction Association factory building roof system installation process hangs method specifically the present invention relates to technical field of building construction.
Background technology
With continuing to increase for national energy-saving environmental protection dynamics, the outdoor material storage yard of metallurgy, coal, power industry will be closed progressively using rack greenhouse form, be reduced raw material and be lost in and airborne dust.Material storage yard is generally large span and length is long, inside there is an equipment such as large-scale feeding, therefore the height that need to build of rack greenhouse and span is big.This just makes roofing tile construct to bring difficulty and dangerous property coefficient increases.When greenhouse reticulated shell roofing color steel tile goes along with sb. to guard him construction, to ensure the safety of reticulated shell roofing tile workmen, safety devices need to be set up in the backspin of greenhouse reticulated shell.
At present, during longspan structure is increasingly widely used in all kinds of buildings in the realm of building construction.In work progress, scaffold need to be generally set up below longspan structure or completely paving safety net provides the working space of safety for operating personnel.However, the safety protecting method of these traditional longspan structures is required to the substantial amounts of artificial and material of input, and longer construction period is needed, caused relatively costly.
There is larger potential safety hazard in large span grid structure roofing installation process, safety net is hung in operating area to avoid pendant accident high from being typically necessary, the particularly roofing height larger roofing of higher, span, its safety net hang process all compare take a lot of work, it is time-consuming, and influence roofing construction efficiency because cannot be moved after safety net completely spreads.
Therefore known large span latticed shell structure roofing installing engineering there are problems that above-mentioned a variety of inconvenience and.
The content of the invention
The purpose of the present invention, is to propose that one kind can reduce workman's installation strength with convenient installation, improves security performance, is eliminated safe hidden trouble, and the reusable large span latticed shell structure roofing installation moving type security net of energy hangs method.
To achieve the above object, technical solution of the invention is：
A kind of large span latticed shell structure roofing installation moving type security net hangs method, and reticulated shell length 120m, reticulated shell span is 112m, and sagitta 47m, roofing enclosure uses color steel, it is characterised in that comprise the following steps：
A, making steel cat ladder
Some steel cat ladders are made, steel cat ladder 8300mm long makes the pedal stroke between both sides handrail and both sides handrail with diameter 25mm coating steel pipes, and one end of steel cat ladder is provided with hook elbow；
B, setting fixed wirerope and carrying cable
The segmental arc from the maximum of reticulated shell two ends, leave and more than ground 12m start, workmen is fixedly installed some fixed wireropes and some carrying cables in latticed shell structure length using steel cat ladder to the latticed shell structure lower boom at two ends, fixed wirerope and the spaced arrangement of carrying cable, fixed wirerope and carrying cable use 14mm steel wire ropes；Fixed wirerope steel cable clamp is fixed on latticed shell structure lower boom, and without middle fixing point in 120m reticulated shell length, carrying cable treats that be wound into ground by assembly pulley coordinates with hoist engine to carrying cable；Fixed wirerope and carrying cable are coordinated using the rope made of hemp that workmen in reticulated shell puts down with ground staff, and wirerope has been bundled with the rope made of hemp, are pulled by workmen in reticulated shell and are fixed to reticulated shell lower boom；
C, making, erection safety net
Safety net is made, safety net uses every 6m*9m specification, be combined into a laying width 12m entirety；The suspension of safety net and fixing means are：Installation personnel reaches each fixed wirerope hitch point by steel cat ladder, safety net is pulled using the rope made of hemp is put to installation fixing position, and safety net is suspended under fixed wirerope by U-shaped shackle, and shackle needs reasonable Arrangement, and safety net can be moved freely by shackle；On the top of carrying cable, colligation uses steel wire lashing for safety net colligation, and colligation point needs reasonable Arrangement and colligation is firmly, and safety net colligation will distinguish advance or retreat wirerope when fixing, must colligation be fixed on advance wirerope；
D, ground set some hoist engines
Pulley is respectively provided with the two ends of large span latticed shell structure, pulley is hooked on latticed shell structure lower boom, constitutes assembly pulley；It is set to the starting point for installing roof color steel plate in one end of large span latticed shell structure, set on the lower section ground of the other end of large span latticed shell structure and fix some hoist engines, a piece carrying cable coordinates with a hoist engine is set, the steel wire rope of carrying cable is wound on hoist engine by assembly pulley, all elevator machine circuits are connected, it is controlled by a motor switch, keeps sync pulling；Hoist engine starts drive and leads the steel wire rope advance of carrying cable, while also driving safety net to move forward, realizes with the construction speed forward movement of roofing color steel tile.
Large span latticed shell structure roofing installation moving type security net of the invention hangs method can also be further achieved by the following technical measures.
Foregoing method, if wherein the fixed wirerope is big due to span, fixed wirerope can not be tensed, and the downwarp in the middle of fixed wirerope is spent greatly, and about 60m increases fixing point in the middle of fixed wirerope, it is ensured that the maximum lower amount of deflection of wirerope is no more than 2.0m.
Foregoing method, wherein the hoist engine is electrical hoist, its tractive force 1t.
After adopting the above technical scheme, large span latticed shell structure roofing installation moving type security net of the invention hangs method and has advantages below：
1st, moving type security net apparatus structure is simple, easy to make；
2nd, moving type security net device is laid fast, using flexible, easy to adjust and safe and reliable；
3rd, large span latticed shell structure roofing installation effectiveness is improved, Construction Cost is reduced.
Brief description of the drawings
Fig. 1 is the steel cat ladder structural representation of the embodiment of the present invention；
Fig. 2 hangs schematic diagram for the safety net in the latticed shell structure of the embodiment of the present invention；
Fig. 3 is the safety net move mode schematic diagram in the latticed shell structure of the embodiment of the present invention；
Fig. 4 is the safety net in the latticed shell structure of the embodiment of the present invention by elevator machine travel schematic diagram.
In figure：1 latticed shell structure, 2 latticed shell structure lower booms, 3 fix wirerope, 4 carrying cables, 5 safety nets, 6 steel cat ladders, 7 hoist engines, 8 pulleys.
Specific embodiment
With reference to embodiments and its accompanying drawing to the present invention illustrate further.
Embodiment 1
Large span latticed shell structure roofing installation moving type security net of the invention hangs method, and reticulated shell length 120m, reticulated shell span is 112m, and sagitta 47m, roofing enclosure uses color steel, comprises the following steps：
A, making steel cat ladder 6
Referring now to Fig. 1, Fig. 1 is the steel cat ladder structural representation of the embodiment of the present invention.As illustrated, the steel cat ladder 6,8300mm long, the pedal stroke between both sides handrail and both sides handrail is made with diameter 25mm coating steel pipes, one end of steel cat ladder is provided with hook elbow.
B, setting fixed wirerope 3 and carrying cable 4
Fig. 2 hangs schematic diagram for the safety net in the latticed shell structure of the embodiment of the present invention.
The segmental arc from the maximum of reticulated shell two ends, leave and start at the 12m of ground, workmen is fixedly installed 8 fixed wireropes 3 and 7 carrying cables 4 in the length of latticed shell structure 1 using steel cat ladder to the latticed shell structure lower boom 2 at two ends, fixed wirerope and the spaced arrangement of carrying cable, fixed wirerope and carrying cable use 14mm steel wire ropes；The fixed steel cable clamp of wirerope 3 is fixed on latticed shell structure lower boom 2, and without middle fixing point in 120m reticulated shell length, carrying cable treats that be wound into ground by assembly pulley coordinates with hoist engine to carrying cable 4；Fixed wirerope and carrying cable are coordinated using the rope made of hemp that workmen in reticulated shell puts down with ground staff, and wirerope has been bundled with the rope made of hemp, are pulled by workmen in reticulated shell and are fixed to reticulated shell lower boom；
C, making, erection safety net 5
Fig. 3 is the safety net move mode schematic diagram in the latticed shell structure of the embodiment of the present invention.
Safety net 5 is made, safety net uses every 6m*9m specification, be combined into a laying width 12m entirety；The suspension of safety net and fixing means are：Installation personnel reaches each fixed wirerope hitch point by steel cat ladder, safety net is pulled using the rope made of hemp is put to installation fixing position, and safety net is suspended under fixed wirerope by U-shaped shackle, and shackle needs reasonable Arrangement, and safety net can be moved freely by shackle；On the top of carrying cable, colligation uses steel wire lashing for safety net colligation, and colligation point needs reasonable Arrangement and colligation is firmly, and safety net colligation will distinguish advance or retreat wirerope when fixing, must colligation be fixed on advance wirerope；If the fixed wirerope is big due to span, fixed wirerope can not be tensed, and the downwarp in the middle of fixed wirerope is spent greatly, and about 60m increases fixing point in the middle of fixed wirerope, it is ensured that the maximum lower amount of deflection of wirerope is no more than 2.0m.
D, ground set some hoist engines 7
Fig. 4 is the safety net in the latticed shell structure of the embodiment of the present invention by elevator machine travel schematic diagram.
Pulley 8 is respectively provided with the two ends of large span latticed shell structure, pulley is fixed pulley, and pulley is hooked on latticed shell structure lower boom, constitutes assembly pulley；It is set to the starting point for installing roof color steel plate in one end of large span latticed shell structure, set on the lower section ground of the other end of large span latticed shell structure and fix some hoist engines 7, a piece carrying cable 4 coordinates with a hoist engine is set, the steel wire rope of carrying cable is wound on hoist engine by assembly pulley, all elevator machine circuits are connected, it is controlled by a motor switch, keeps sync pulling；Hoist engine starts drive and leads the steel wire rope advance of carrying cable, while also driving safety net to move forward, realizes with the construction speed forward movement of roofing color steel tile.The hoist engine is electrical hoist, its tractive force 1t.
The sintered, energy saving supporting stock yard improvement project-ore N stock grounds rack installing engineering of environmental protection of Baosteel iron making factory, engineering structure form is Spatial Lattice Shells, rack total length is 360m, reticulated shell length direction is uniformly set twice Temperature Joint and aseismatic joint by 120m, by reticulated shell at intervals of tri- subregions of A, B, C；Reticulated shell span is 112m, and the ㎡ of projected area 44400, roofing closes construction area and is：56468.0 ㎡, sagitta（Bearing center is to vault）About 47m.Roofing enclosure uses 0.8mm color steels+plane skylight（Fibre-glass reinforced polyester plate）, metope gone along with sb. to guard him using 0.8mm thickness V125 types colored steels+partial mesh material.Roofing tile setting height(from bottom) is high, and area is larger, and the construction risk of roofing tile is very big, there is larger potential safety hazard during construction, therefore high-altitude protection need to be carried out when roofing tile is constructed, and prevents workmen from falling, it is to avoid the generation of security incident.The Spatial Lattice Shells hang method when roofing tile is constructed using large span latticed shell structure roofing installation moving type security net of the invention, tri- subregions of A, B, C are constructed respectively, protected in high-altitude, effectively prevent workmen and fall, it is to avoid the generation of security incident.Improve the operating efficiency of workmen, it is ensured that the schedule requirement of engineering, it is ensured that construction safety, satisfactorily complete the installation task of reticulated shell roofing tile.
The present invention has substantive distinguishing features and significant technological progress, large span latticed shell structure roofing installation moving type security net of the invention hangs method, with safety net hanging structure it is simple, lay it is quick, using flexible, easy to adjust and safe and reliable, the characteristics of traditional manpower draws and sets safety net and compare with efficiency high, low cost.
Above example is used for illustrative purposes only, rather than limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, can also make various conversion or change.Therefore, all equivalent technical schemes should also belong to scope of the invention, should be limited by each claim.
Claims (3)
1. a kind of large span latticed shell structure roofing installation moving type security net hangs method, and reticulated shell length 120m, reticulated shell span is 112m, and sagitta 47m, roofing enclosure uses color steel, it is characterised in that comprise the following steps：
A, making steel cat ladder（6）
Make some steel cat ladders（6）, steel cat ladder 8300mm long, with the pedal stroke between diameter 25mm coating steel pipes making both sides handrail and both sides handrail, one end of steel cat ladder is provided with hook elbow；
B, the fixed wirerope of setting（3）And carrying cable（4）
The segmental arc from the maximum of reticulated shell two ends, that is, leave and more than ground 12m start, and workmen is using steel cat ladder in latticed shell structure（1）Latticed shell structure lower boom from length to two ends（2）Some fixed wireropes are fixedly installed（3）With some carrying cables（4）, fixed wirerope and the spaced arrangement of carrying cable, fixed wirerope and carrying cable use 14mm steel wire ropes；Fixed wirerope（3）Latticed shell structure lower boom is fixed on steel cable clamp（2）On, carrying cable（4）Without middle fixing point in 120m reticulated shell length, carrying cable treats that be wound into ground by assembly pulley coordinates with hoist engine；Fixed wirerope and carrying cable are coordinated using the rope made of hemp that workmen in reticulated shell puts down with ground staff, and wirerope has been bundled with the rope made of hemp, are pulled by workmen in reticulated shell and are fixed to reticulated shell lower boom；
C, making, erection safety net（5）
Make safety net（5）, safety net use every 6m*9m specification, be combined into one laying width 12m entirety；The suspension of safety net and fixing means are：Installation personnel reaches each fixed wirerope hitch point by steel cat ladder, safety net is pulled using the rope made of hemp is put to installation fixing position, and safety net is suspended under fixed wirerope by U-shaped shackle, and shackle needs reasonable Arrangement, and safety net can be moved freely by shackle；On the top of carrying cable, colligation uses steel wire lashing for safety net colligation, and colligation point needs reasonable Arrangement and colligation is firmly, and safety net colligation will distinguish advance or retreat wirerope when fixing, must colligation be fixed on advance wirerope；
D, ground set some hoist engines（7）
Pulley is respectively provided with the two ends of large span latticed shell structure（8）, pulley is hooked on latticed shell structure lower boom, constitutes assembly pulley；It is set to the starting point for installing roof color steel plate in one end of large span latticed shell structure, is set on the lower section ground of the other end of large span latticed shell structure and fix some hoist engines（7）, a carrying cable（4）Coordinate with a hoist engine is set, the steel wire rope of carrying cable is wound on hoist engine by assembly pulley, and all elevator machine circuits are connected, and are controlled by a motor switch, keep sync pulling；Hoist engine starts drive and leads the steel wire rope advance of carrying cable, while also driving safety net to move forward, realizes with the construction speed forward movement of roofing color steel tile.
2. large span latticed shell structure roofing installation moving type security net as claimed in claim 1 hangs method, it is characterized in that, if the fixed wirerope is big due to span, fixed wirerope can not be tensed, downwarp in the middle of fixed wirerope is spent greatly, about 60m increases fixing point in the middle of fixed wirerope, it is ensured that the maximum lower amount of deflection of wirerope is no more than 2.0m.
3. large span latticed shell structure roofing installation moving type security net as claimed in claim 1 hangs method, it is characterised in that the hoist engine is electrical hoist, its tractive force 1t.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510452840.6A CN106703418B (en) | 2015-07-29 | 2015-07-29 | The installation of large span latticed shell structure roofing hangs method with moving type security net |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510452840.6A CN106703418B (en) | 2015-07-29 | 2015-07-29 | The installation of large span latticed shell structure roofing hangs method with moving type security net |
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| CN106703418A true CN106703418A (en) | 2017-05-24 |
| CN106703418B CN106703418B (en) | 2018-12-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113321146A (en) * | 2021-06-09 | 2021-08-31 | 中国二十冶集团有限公司 | Single-side jacking safety protection device and safety jacking method for large-span reticulated shell structure |
| CN114704016A (en) * | 2022-03-09 | 2022-07-05 | 中建八局新型建造工程有限公司 | Construction method of large-inclination-angle inclined roof profiled steel sheet of dome structure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201661083U (en) * | 2010-03-01 | 2010-12-01 | 天津二十冶建设有限公司 | Sliding type safety net |
| CN104499723A (en) * | 2014-12-12 | 2015-04-08 | 中国十七冶集团有限公司 | Movable safety net and installation method thereof |
-
2015
- 2015-07-29 CN CN201510452840.6A patent/CN106703418B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201661083U (en) * | 2010-03-01 | 2010-12-01 | 天津二十冶建设有限公司 | Sliding type safety net |
| CN104499723A (en) * | 2014-12-12 | 2015-04-08 | 中国十七冶集团有限公司 | Movable safety net and installation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113321146A (en) * | 2021-06-09 | 2021-08-31 | 中国二十冶集团有限公司 | Single-side jacking safety protection device and safety jacking method for large-span reticulated shell structure |
| CN114704016A (en) * | 2022-03-09 | 2022-07-05 | 中建八局新型建造工程有限公司 | Construction method of large-inclination-angle inclined roof profiled steel sheet of dome structure |
| CN114704016B (en) * | 2022-03-09 | 2024-05-10 | 中建八局新型建造工程有限公司 | Construction method of large-inclination-angle inclined roof profiled steel sheet with dome structure |
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| CN106703418B (en) | 2018-12-14 |
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