CN107288361A - Tall building drop preventing falls behind anchoring from extension double-layer horizontal safety net device and its construction method - Google Patents
Tall building drop preventing falls behind anchoring from extension double-layer horizontal safety net device and its construction method Download PDFInfo
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- CN107288361A CN107288361A CN201710709656.4A CN201710709656A CN107288361A CN 107288361 A CN107288361 A CN 107288361A CN 201710709656 A CN201710709656 A CN 201710709656A CN 107288361 A CN107288361 A CN 107288361A
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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
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
- E04G21/3266—Safety nets
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Abstract
A kind of tall building drop preventing falls behind anchoring from hanging double-layer horizontal safety net device and its construction method, the skyscraper peripheral first floor surrounding highly be not more than on the outside of the shear wall of 5m sustained height or two side side elevations of rod structure or so on multiple rows of cable wire draw ring for being spaced 13 meters is installed；A pedestal is fixed on the outside of the first floor of the shear wall, the bottom of described steel diagonal brace mobile jib is fixed on pedestal, the upper end of steel diagonal brace mobile jib is tilted to the outside of shear wall, lower floor's safety net mounting assembly is housed towards the side of shear wall on the top of the steel diagonal brace mobile jib, upper layer security net mounting assembly is housed on the top of the steel diagonal brace mobile jib.It is an advantage of the invention that：Alternative artificial linked network is to be more than more than 5m high-altitude on the outside of project under construction away from nature terrace, and artificial linked network, easy installation and removal can be substituted with this device in double-layer horizontal safety net wide the outermost edges suspension 6m of builder's jack, it is reusable, it is economical and practical, it is safe and reliable, it is simple to operate.
Description
Technical field
Fall behind anchoring from double-layer horizontal safety net device and its construction method is hung the present invention relates to a kind of tall building drop preventing, belong to
High-building construction site safety protection technology field.
Background technology
Beijing provincial standard DB/11-945-2012《Health is held in the protection of engineering construction site safety, field and fire-fighting is protected
Defend standard》The 2.8.4 articles regulation：" when on the outside of project under construction using console mode scaffold and overhanging scaffold, its outside should be set
Closely-knitted safety net is put to be closed.In addition to console mode scaffold and aerial work basket is used, horizontal safety net should be set up and prevented
Shield.Skyscraper first floor surrounding should set up the wide double-layer horizontal safety nets of 6m, and net bottom cannot be less than 5m away from contact surface.Multilayer and height
Layer building should should set the wide horizontal safety nets of one of 3m every four layers and no more than 10m ".According to above-mentioned regulation, safety is set
Net, traditional practice is vacantly to set up the wide double-layer horizontal safety nets of the 6m that encorbelments, pin the hand wide 6m that encorbelments in first floor above surrounding
Frame shelf outermost edges double-layer horizontal safety net, typically each employment are climbed to the wide scaffold shelf outer ledges of the 6m that encorbelments and hung
Net, easily pacifies during the hanging linked network in high-altitude for being more than more than 5m away from natural ground on the outside of the scaffold beyond the 6m that encorbelments is wide
Full accident；In addition, existing safety net erecting device without detachable, reusable, exempt from upper people, from functions such as linked networks.
The content of the invention
Fall behind anchoring from extension double-layer horizontal safety net device and its structure it is an object of the invention to provide a kind of tall building drop preventing
Construction method, to solve the height for being more than more than 5m away from natural ground on the outside of the scaffold beyond the 6m that encorbelments is wide of prior art presence
Easily there is security incident in hovering sky linked network, and existing safety net erecting device without detachable, reusable, exempt from
People, from the functions such as linked network the problem of.
The technical scheme is that：
A kind of tall building drop preventing falls behind anchoring from extension double-layer horizontal safety net device, it is characterised in that including cable wire draw ring, steel diagonal brace
Mobile jib, upper layer security net, lower floor's safety net, lower floor's safety net mounting assembly and upper layer security net mounting assembly, in skyscraper
Peripheral first floor surrounding be highly not more than on 5m equipped with mutually level two row between the upper and lower every 1-3 meters, corresponding cable wire up and down
Draw ring；The bottom of described steel diagonal brace mobile jib is fixed on skyscraper by pedestal, and the upper end of steel diagonal brace mobile jib is to building
Outside is tilted, and lower floor's safety net mounting assembly is housed towards the side of building on the top of the steel diagonal brace mobile jib, in steel diagonal brace master
The top of bar is equipped with upper layer security net mounting assembly；Lower floor's safety net is respectively provided with outside upper layer security net and lower floor's safety net
Avris wears net steel pipe and net steel pipe is worn in upper layer security selvage side；Lower floor's safety net avris wears net steel pipe and upper layer security selvage side
The one end of net steel pipe respectively with interior pull rope and outer pull rope is worn to be connected；In the inner edge point of the upper layer security net and lower floor's safety net
The one end for not overturning haul line on drawstring and lower floor's safety net opposite side with upper layer security net is connected, upper layer security net upset drawstring
Above and below cable wire draw ring, which is each passed through, with the other end of haul line on lower floor safety net opposite side hangs down into ground.
Lower floor's safety net mounting assembly includes：Left side otic placode, deflecting truckle, interior head sheave and interior unloading lever, the left side
The pick up the ears right-hand member of plate is connected on the left side of described steel diagonal brace mobile jib, and middle part of otic placode is provided with projecting upwards on the left of this
Peak, top at peak is equipped with deflecting truckle in this, and interior head sheave is housed on the left of this above right-hand member of otic placode；Left side at peak in this
Side is provided with left side otic placode groove, and the left upper portion on edge is provided with left side otic placode protecting against shock limiting card in otic placode groove on the left of this,
Outer top is provided with sinistral rope slideway on the left of the groove；The fulcrum of the interior unloading lever corner of L-shaped passes through interior unloading thick stick
Bar fulcrum roller is hinged on the middle part of left side otic placode, and below middle peak；In the right-hand member of the interior unloading lever is connected with
Side dumping carries drawstring；Provided with interior unloading lever limited bolt on the left side otic placode corresponding to this above right-hand member of interior unloading lever；Institute
The other end for the interior pull rope stated bypasses sinistral rope slideway, deflecting truckle and the interior head sheave on described left side otic placode successively
Above after hang down into ground.
Described upper layer security net mounting assembly includes：Thio-glycidyl ether lever, outer head sheave, right side otic placode, the next pulley and on
Position pulley, the curved boom passed on left downwards to the left of right side otic placode is connected with the top right side of described steel diagonal brace mobile jib, right side
Projected upwards in the middle part of otic placode, and the top and the bottom bit distribution on the top of the protrusion is equipped with upper pulley and the next pulley；At this
The right part of right side otic placode is provided with right side otic placode groove, and the top of inner side is provided with right side otic placode erosion control on the left of otic placode groove on the right side of this
Limiting card is hit, right upper portion of otic placode is provided with dextral rope slideway on the right side of this；The fulcrum of the thio-glycidyl ether lever corner of L-shaped leads to
The middle part that thio-glycidyl ether balance pivot bearing is hinged on the protruding parts of the right side otic placode is crossed, is connected in the left end of the thio-glycidyl ether lever
There is outside unloading drawstring；Thio-glycidyl ether lever limited bolt is provided with right side otic placode below corresponding to the thio-glycidyl ether lever right-hand member.
Described interior head sheave and outer head sheave between the upper and lower away between 1.0 ~ 1.5m.
The other end of described outer pull rope bypasses dextral rope slideway, the next pulley on described right side otic placode successively
With above outer head sheave after hang down into ground.
And a kind of described tall building drop preventing falls behind anchoring from the construction method for hanging double-layer horizontal safety net device, its feature
It is, comprises the following steps：
（1）In the external side in building equipped at least with two rows cable wire draw ring；Respectively set in the outside of upper layer security net and lower floor's safety net
Have that lower floor's safety net avris wears net steel pipe and net steel pipe is worn in upper layer security selvage side；Lower floor's safety net avris wears net steel pipe and upper
Layer safety net avris is worn the one end of net steel pipe respectively with interior pull rope and outer pull rope and is connected；Pacify in the upper layer security net and lower floor
One end that the inner edge of the whole network overturns haul line on drawstring and lower floor's safety net opposite side with upper layer security net respectively is connected, upper strata peace
The whole network overturns the other end of haul line on drawstring and lower floor's safety net opposite side, and to be each passed through above and below cable wire draw ring sagging
To ground；The spacing of described upper layer security net and lower floor's safety net is 0.6-1.5m, or interior head sheave and outer head sheave are vertical
Spacing in height is between 1.0-1.5m.
（2）Steel diagonal brace mobile jib is fixed in the bottom of the external side in building, the upper end of the steel diagonal brace mobile jib is rolled tiltedly in vitro to building；
The top of the steel diagonal brace mobile jib is equipped with lower floor's safety net mounting assembly towards the side of building body, is equipped with the top of the steel diagonal brace mobile jib
Upper layer security net mounting assembly.
（3）Layer safety net avris is worn into the lifting of net steel pipe with outer pull rope to arrive in the groove of upper layer security net mounting assembly.
（4）The inner edge of upper layer security net is carried on the outside of upper layer security net mounting assembly with upper strata safety net upset drawstring
It is connected after rising upset with cable wire draw ring above.
（5）Lower floor's safety net avris is worn into the lifting of net steel pipe to the groove of lower floor's safety net mounting assembly with interior pull rope
It is interior；The inner edge of lower floor's safety net is lifted with haul line on lower floor's safety net opposite side and is connected with following cable wire draw ring.
It is an advantage of the invention that：The side side elevation of side elevation or reinforced concrete column or so two, uses this on the outside of shear wall
Device, alternative artificial linked network be encorbelment on the outside of project under construction 6m it is wide beyond scaffold outermost edges, hang the wide bilayers of 6m
Horizontal safety net, can substitute artificial linked network, present apparatus easy installation and removal is conducive to reusing, economical real with this device
With, it is safe and reliable, it is simple to operate, the use of the present apparatus can overcome existing safety net erecting device without it is detachable, can answer
With, exempt from upper people, from functions such as linked networks, realize function of the manpower-free from linked network.
Brief description of the drawings
Fig. 1 is that the whole of double-layer horizontal safety net embodiment is hung in the tall building drop preventing backwardness anchoring built using the inventive method certainly
Body structural representation；
Fig. 2 is the structural representation of shear wall installation pedestal A in Fig. 1；
Fig. 3 is Fig. 2 right view；
Fig. 4 is the enlarged drawing of interior head sheave otic placode in Fig. 1；
Fig. 5 is the enlarged drawing of Fig. 1 China and foreign countries head sheave otic placode；
Fig. 6 is rod structure installation pedestal D of the present invention positive structure schematic；
Fig. 7 is Fig. 6 A-A sectional views；
Fig. 8 is the installation mounting means schematic diagram of above-mentioned rod structure installation pedestal.
Description of reference numerals：
1st, natural ground；2nd, first floor flooring；3rd, two layers of indoor flooring；4th, the indoor flooring of more than first floor each layer；5th, steel
Suo Lahuan；6th, steel diagonal brace mobile jib；7th, hanger；8th, left side otic placode；81st, left side otic placode groove, 82, sinistral rope slideway；83rd, in
Peak；9th, lower floor's safety net avris wears net steel pipe；10th, inner side unloading drawstring；11st, net steel pipe is worn in upper layer security selvage side；12nd, deflecting
Truckle；13rd, interior head sheave；14th, interior unloading lever；141st, drawstring packing hole；15th, interior unloading balance pivot bearing；16th, interior unloading
Lever limited bolt；17th, thio-glycidyl ether lever；171st, drawstring packing hole；18th, shear wall；19th, outer head sheave；20th, right side otic placode；201、
Right side otic placode groove；202nd, dextral rope slideway；203rd, curved boom；21st, the next pulley；22nd, upper pulley；23rd, upper layer security net
Overturn drawstring；24th, right side otic placode protecting against shock limiting card；25th, upper layer security net；26th, lower floor's safety net；27th, left side otic placode erosion control
Hit limiting card；28th, bending resistance suspension cable；30th, rear anchor bolt；31st, anchor plate；311st, fixing hole；32nd, horizontal steel ribs；33、
Back cover steel bushing；331st, fastener hole；34th, fastening bolt；35th, vertical steel ribs；36th, rod structure, 37, thio-glycidyl ether lever it is spacing
Bolt；38th, interior pull rope；39th, outer pull rope；40th, thio-glycidyl ether balance pivot bearing；41st, the upper haul line of lower floor's safety net opposite side；
42nd, outside unloading drawstring；A, shear wall installation pedestal；B, lower floor's safety net mounting assembly；C, upper layer security net mounting assembly；D、
Rod structure installation pedestal.
Embodiment
Referring to Fig. 1-Fig. 5, it is safe from double-layer horizontal is hung that the present invention falls behind anchoring in the outside of shear wall 18 structure tall building drop preventing
The method of net comprises the following steps：
（1）In building, the outside of shear wall 18 of body is equipped with two rows cable wire draw ring 5；In upper layer security net 25 and lower floor's safety net 26
Outside be respectively provided with that lower floor's safety net avris wears net steel pipe 9 and net steel pipe 11 is worn in upper layer security selvage side；The safe selvage of the lower floor
Net steel pipe 9 is worn in side and upper layer security selvage side is worn the one end of net steel pipe 11 respectively with interior pull rope 38 and outer pull rope 39 and is connected；
Drawstring 23 and lower floor's safety net pair are overturn in the inner edge of the upper layer security net 25 and lower floor's safety net 26 with upper layer security net respectively
One end of haul line 41 is connected on side, and haul line 41 is another on upper layer security net upset drawstring 23 and lower floor's safety net opposite side
End is each passed through above and below cable wire draw ring 5 and hangs down into ground；Described upper layer security net 25 and lower floor's safety net 26
Spacing is 0.6-1.5m, or the spacing of interior head sheave and outer head sheave in vertical height is between 1.0-1.5m.
（2）Steel diagonal brace mobile jib 6 is fixed with shear wall installation pedestal A in the high-rise outside of first floor surrounding shear wall 18, the steel is oblique
The upper end for supportting mobile jib 6 is tilted to the outside of shear wall 18（Angle a with the outside of shear wall 18 is between 25-45 °）；In the steel diagonal brace
The top of mobile jib 6 is equipped with lower floor safety net mounting assembly B towards the side of shear wall 18, is equipped with the top of the steel diagonal brace mobile jib 6
Upper layer security net mounting assembly C.
（3）Layer safety net avris is worn into net steel pipe 11 with outer pull rope 39 and lifts the recessed of upper layer security net mounting assembly C
In groove.
（4）Drawstring 23 is overturn by the inner edge of upper layer security net 25 from upper layer security net mounting assembly C's with upper strata safety net
It is connected after the lifting upset of outside with cable wire draw ring 5 above.
（5）Lower floor's safety net avris is worn into net steel pipe 9 with interior pull rope 38 and lifts the recessed of lower floor safety net mounting assembly B
In groove.
（6）Drawn with haul line 41 on lower floor's safety net opposite side by the inner edge lifting of lower floor's safety net 26 and with following cable wire
Ring 5 is connected.
Described shear wall erection support A and shear wall 18 outside are fixedly mounted, and pedestal A bottom is high apart from ground
Degree is not more than 5m, equipped with mutually level two row between the upper and lower every 1-3 meters, the corresponding cable wire drawing up and down on pedestal A
Ring 5.
Standby draw ring 5 can be installed in each layer, because the purposes of standby draw ring 5 is a lot, except for more than the high-rise first floor
Encorbelment outside 6m horizontal duplex safety nets；It can also be used to that one of 3m should should be set every four layers and no more than 10m in skyscraper
Wide horizontal safety net；It can be additionally used in oblique pull（Compound hanging outer outrigger scaffold is combined with steel wire rope by horizontal I-steel）Horizontal work
The end of word steel free end（In " the height of foundation-free support using a certain floor more than high-rise floor as starting point storey setting
Hanging outer stretching, extension scaffold ".
Described shear wall erection support A is referring to Fig. 2 and Fig. 3, including anchor plate 31, the and of steel diagonal brace main bar sleeve 33
Vertical steel ribs 35, are connected in the longitudinal asymmetric axis of anchor plate 31 by vertical steel ribs 35 with back cover steel bushing 33, should
The top end opening of back cover steel bushing 33, is provided with the fastener hole 331 of multiple radial directions on the back cover steel bushing 33；In the anchor plate
31 are provided with multiple fixing holes 311；Horizontal steel ribs 32 are provided with the described both sides of vertical steel ribs 35.
Shear wall erection support A installation method：The unwrapping wire on the rear anchor plate 31 installed by drawing,
First by horizontal steel ribs 32 and vertical steel ribs 35 into an entirety, then it is outer vertical by the high-rise outside shear wall 18 given in drawing
Angle a between face and steel diagonal brace mobile jib 6, will carry the steel diagonal brace mobile jib back cover steel bushing 33 of the screw 331 of fastening bolt 34
An entirety is welded into horizontal steel ribs 32 and vertical steel ribs 35.
Described lower floor safety net mounting assembly B includes：Left side otic placode 8, deflecting truckle 12, interior head sheave 13 and interior unloading
Lever 14, the right-hand member of the left side otic placode 8 is connected on the left side of described steel diagonal brace mobile jib 6, and middle part of otic placode 8 is set on the left of this
There is the middle peak 83 projected upwards, top at peak 83 is equipped with deflecting truckle 12 in this, filled on the left of this above right-hand member of otic placode 8
There is interior head sheave 13；Left side at peak 83 is provided with left side otic placode groove 81 in this, on the left of this in otic placode groove 81 on the left side on edge
Portion is provided with left side otic placode protecting against shock limiting card 27, and sinistral rope slideway 82 is being provided with the left side outer top of groove 81；L-shaped
The fulcrum of interior unloading lever 14 corner is hinged on the middle part of left side otic placode 8 by interior unloading balance pivot bearing 15, and is located at
Below middle peak 83；Inner side unloading drawstring 10 is connected with the right-hand member of the interior unloading lever 14；Corresponding to the interior unloading lever
Left side otic placode 8 above 14 right-hand member is provided with interior unloading lever limited bolt 16.
Described upper layer security net mounting assembly C includes：Thio-glycidyl ether lever 17, outer head sheave 19, right side otic placode 20, bottom are sliding
Wheel 21 and upper pulley 22, the top for passing on left curved boom 203 and described steel diagonal brace mobile jib 6 downwards to the left of right side otic placode 20
Connected on the right side of portion, the middle part of right side otic placode 20 is projected upwards, and the top and the bottom bit distribution on the top of the protrusion is equipped with upper cunning
Wheel 22 and the next pulley 21；Right part of otic placode 20 is provided with right side otic placode groove 201, otic placode groove 201 on the right side of this on the right side of this
Top on the inside of left side is provided with right side otic placode protecting against shock limiting card 24, and right upper portion of otic placode 20 is provided with dextral rope on the right side of this
Slideway 202；The fulcrum of the corner of thio-glycidyl ether lever 17 of L-shaped is hinged on the right side otic placode by thio-glycidyl ether balance pivot bearing 40
The middle part of 20 protruding parts, outside unloading drawstring 42 is connected with the left end of the thio-glycidyl ether lever 17；Outer unloaded corresponding to this
Carry the right side otic placode 20 below the right-hand member of lever 17 and be provided with thio-glycidyl ether lever limited bolt 37.
The other end of described described interior pull rope 38 bypasses the sinistral rope slideway on described left side otic placode 8 successively
82nd, above deflecting truckle 12 and interior head sheave 13 after hang down into ground；The other end of described outer pull rope 39 is bypassed successively
Ground is hung down into after above dextral rope slideway 202, the next pulley 21 and outer head sheave 19 on described right side otic placode 20.
Hanger 7 is provided with the left side of described steel diagonal brace mobile jib 6, is connected between the hanger 7 and described cable wire draw ring 5
There is bending resistance suspension cable 28；After described lower floor's horizontal safety net 26 is installed, by two ends of bending resistance suspension cable 28 respectively with
The hanger 7 and cable wire draw ring 5 carry out locking connection.
Described upper layer security net 25 and the outside of lower floor's safety net 26 wears net steel pipe 9 and upper with lower floor's safety net avris
Layer safety net avris locks connection between wearing net steel pipe 11 using U-shaped card.
Referring to Fig. 6-Fig. 8, another embodiment of the invention is to be suitably mounted to frame column using one kind or framework is cut
The rod structure installation pedestal D of the one or both sides of power wall composite column structure 36 and its outside vertical, the rod structure installation pedestal D by
Anchor plate 31 and back cover steel bushing 33 are constituted, and back cover steel bushing 33 is welded on the longitudinal midline of anchor plate 31, the back cover steel
The top end opening of sleeve 33, is provided with the fastener hole 331 of multiple radial directions on the back cover steel bushing 33；On a left side for the anchor plate 31
Right side is respectively equipped with multiple fixing holes 311.
Rod structure installation pedestal D installation method is：By the top of overall rod structure installation pedestal D longitudinally asymmetric axle
An angle a is rotated laterally（Angular range is identical with a upper embodiment）, the fixation on anchor plate 31 is passed through with bolt 30
Hole 311 is fixed with column, and it is wide that steel diagonal brace mobile jib 6 is inserted in back cover steel bushing 33 into the 6m that encorbelmented on the outside of rear i.e. achievable project under construction
Scaffold in addition.In the fastener hole 331 of the Side wall drill fastening bolt 34 of back cover steel bushing 33.The construction of other parts and construction
Method is identical with a upper embodiment.Fig. 8 right side is the outside of building, and pedestal D is on the left and right sides facade of pillar（I.e.
Pillar left and right sides facade is vertical with the external side elevation in building）..
Its other end is tapered to from upper past lower left to narrow, receive on the top on left side one side of described interior unloading lever 14
3 ~ 10 degree of slope angle is held back, is easy to lower floor's safety net avris to wear net steel pipe 9 and is withdrawn out of left side otic placode groove 81, unclamps interior at leisure
Pull rope 38, steel pipe 9 down runs along the arching trajectory of sinistral rope slideway 82 under deadweight Action of Gravity Field and drops down onto ground.
At the right-hand member long side top top 1/3 of described thio-glycidyl ether lever 17 its other end is tapered to from upper past lower right
Narrow, restrain 3 ~ 10 degree of slope angle, be easy to upper layer security selvage side to wear net steel pipe 11 and withdrawn out of right side otic placode groove 201, slowly
38, interior pull rope is slowly unclamped, steel pipe 9 is down transported under deadweight Action of Gravity Field along the arching trajectory of sinistral rope slideway 202
Row drops down onto ground.
Calculated according to load and antidumping Stability Checking Calculation, anchor bolt 30, its quantity and spacing after being taken root after many of design
And the diameter of bolt and drilling depth etc., calculated through design after determining, then the pitch of bolts determined by design drawing.
The tall building drop preventing that the present invention is built falls behind anchoring：
1st, the net hanging method of upper layer security net 25 is：Pull downward on one end that outer pull rope 39 hangs down into ground（Drawn referring in Fig. 1
There is one end of the outer pull rope 39 of arrow）, upper layer security selvage side worn net steel pipe 11 and sling by the other end of outer pull rope 39, directly
To on the right side of putting it in the right side otic placode groove 201 of the top U-shaped of otic placode 20；Then, upper layer security net upset drawstring 23 is pulled
The one end on ground is hung down into, the other end of upper layer security net upset drawstring 23 drives the another side of upper layer security net 25（It is referred to as " interior
Side ", i.e., the one side being connected with shear wall 18）From outside up over upper pulley 22, overturn whole upper layer security net 25
180 °, until the cable wire draw ring 5 set on the inner edge of upper layer security net 25 and the outer side edges of shear wall 18 is locked with lock, complete
The linked network of upper layer security net 25.
When needing unloading safety net, outside unloading drawstring 42 is pulled downward on, the right-hand member of thio-glycidyl ether lever 17 is swung up, will
Upper layer security selvage side in right side otic placode groove 201 is worn net steel pipe 11 and transferred to, and releases upper layer security net 25 and cable wire draw ring 5
Connection, whole upper layer security net 25 is unloaded.
2nd, the linked network and discharging method of lower floor's safety net 26 and the linked network and discharging method of above-mentioned upper layer security net 25 are basic
It is identical, repeat no more.
Claims (9)
1. a kind of tall building drop preventing falls behind anchoring from extension double-layer horizontal safety net device, it is characterised in that oblique including cable wire draw ring, steel
Mobile jib, upper layer security net, lower floor's safety net, lower floor's safety net mounting assembly and upper layer security net mounting assembly are supportted, is built in high level
Build peripheral first floor surrounding be highly not more than on 5m equipped with mutually level two row between the upper and lower every 1-3 meters, corresponding steel up and down
Suo Lahuan；The bottom of described steel diagonal brace mobile jib is fixed on skyscraper by pedestal, and the upper end of steel diagonal brace mobile jib is to building
Outside tilt, the top of the steel diagonal brace mobile jib towards the side of building be equipped with lower floor's safety net mounting assembly, in the steel diagonal brace
The top of mobile jib is equipped with upper layer security net mounting assembly；Lower floor's safety is respectively provided with outside upper layer security net and lower floor's safety net
Net steel pipe is worn in selvage side and net steel pipe is worn in upper layer security selvage side；Lower floor's safety net avris wears net steel pipe and upper layer security selvage
Wear the one end of net steel pipe respectively with interior pull rope and outer pull rope and be connected in side；In the upper layer security net and the inner edge of lower floor's safety net
The one end for overturning haul line on drawstring and lower floor's safety net opposite side with upper layer security net respectively is connected, and upper layer security net upset is drawn
The other end of haul line is each passed through above and below cable wire draw ring and hangs down into ground on rope and lower floor's safety net opposite side；
Lower floor's safety net mounting assembly includes：Left side otic placode, deflecting truckle, interior head sheave and interior unloading lever, the left side ear
The right-hand member of plate is connected on the left side of described steel diagonal brace mobile jib, and middle part of otic placode is provided with the middle peak projected upwards on the left of this,
Top at peak is equipped with deflecting truckle in this, and interior head sheave is housed on the left of this above right-hand member of otic placode；Left side at peak in this
Provided with left side otic placode groove, the left upper portion on edge is provided with left side otic placode protecting against shock limiting card in otic placode groove on the left of this,
Outer top is provided with sinistral rope slideway on the left of the groove；The fulcrum of the interior unloading lever corner of L-shaped passes through interior unloading lever
Fulcrum roller is hinged on the middle part of left side otic placode, and below middle peak；Inner side is connected with the right-hand member of the interior unloading lever
Unload drawstring；Provided with interior unloading lever limited bolt on the left side otic placode corresponding to this above right-hand member of interior unloading lever；It is described
The other end of interior pull rope bypass sinistral rope slideway on described left side otic placode, deflecting truckle and interior head sheave successively
Hang down into ground afterwards above；
Described upper layer security net mounting assembly includes：Thio-glycidyl ether lever, outer head sheave, right side otic placode, the next pulley and upper cunning
Wheel, the curved boom passed on left downwards to the left of right side otic placode is connected with the top right side of described steel diagonal brace mobile jib, right side otic placode
Middle part project upwards, and the top of the protrusion top and the bottom bit distribution equipped with upper pulley and the next pulley；On the right side of this
The right part of otic placode is provided with right side otic placode groove, and the top of inner side is limited provided with right side otic placode protecting against shock on the left of otic placode groove on the right side of this
Position card, right upper portion of otic placode is provided with dextral rope slideway on the right side of this；The fulcrum of the thio-glycidyl ether lever corner of L-shaped passes through outer
Unloading balance pivot bearing is hinged on the middle part of the protruding parts of the right side otic placode, is connected with the left end of the thio-glycidyl ether lever outer
Side dumping carries drawstring；Thio-glycidyl ether lever limited bolt is provided with right side otic placode below corresponding to the thio-glycidyl ether lever right-hand member；
Described interior head sheave and outer head sheave between the upper and lower away between 1.0 ~ 1.5m；
The other end of described outer pull rope bypasses dextral rope slideway on described right side otic placode, the next pulley and outer successively
Ground is hung down into after above head sheave.
2. tall building drop preventing according to claim 1 falls behind anchoring from extension double-layer horizontal safety net device, it is characterised in that institute
The pedestal stated is shear wall installation pedestal, including anchor plate, steel diagonal brace main bar sleeve and vertical steel ribs, in anchor plate
Longitudinal asymmetric axis is connected by vertical steel ribs with back cover steel bushing, the top end opening of the back cover steel bushing, in the back cover steel
Sleeve is provided with the fastener hole of multiple radial directions；Multiple fixing holes are provided with the anchor plate.
3. tall building drop preventing according to claim 2 falls behind anchoring from extension double-layer horizontal safety net device, it is characterised in that
Described vertical steel ribs both sides are provided with horizontal steel ribs.
4. tall building drop preventing according to claim 1 falls behind anchoring from extension double-layer horizontal safety net device, it is characterised in that institute
The pedestal stated is rod structure installation pedestal, is made up of anchor plate and back cover steel bushing, back cover steel bushing is welded on anchor plate
On longitudinal midline, the top end opening of the back cover steel bushing is provided with the fastener hole of multiple radial directions on the back cover steel bushing；In the anchor
Gu the half right and left of steel plate is respectively equipped with multiple fixing holes.
5. tall building drop preventing according to claim 1 falls behind anchoring from extension double-layer horizontal safety net device, it is characterised in that
The left side of described steel diagonal brace mobile jib is provided with hanger, and bending resistance suspension cable is connected between the hanger and described cable wire draw ring；
After described lower floor's horizontal safety net is installed, two ends of bending resistance suspension cable are carried out with the hanger and cable wire draw ring respectively
Locking connection.
6. tall building drop preventing according to claim 1 falls behind anchoring from extension double-layer horizontal safety net device, it is characterised in that institute
The upper layer security net the stated and outside of lower floor's safety net wears net steel pipe with lower floor's safety net avris and upper layer security selvage side is worn
Connection is locked using U-shaped card between net steel pipe.
7. tall building drop preventing according to claim 1 falls behind anchoring from extension double-layer horizontal safety net device, it is characterised in that
The top on left side one side of described interior unloading lever is tapered to its other end from upper past lower left and narrowed, and restrains slope angle 3 ~ 10
Degree.
8. tall building drop preventing according to claim 1 falls behind anchoring from extension double-layer horizontal safety net device, it is characterised in that
Its other end is tapered to from upper past lower right to narrow, restrain slope at the right-hand member long side top top 1/3 of described thio-glycidyl ether lever
3 ~ 10 degree of angle.
9. the tall building drop preventing described in a kind of claim 1 falls behind the construction method that double-layer horizontal safety net device is hung in anchoring certainly, its
It is characterised by, comprises the following steps：
In the external side in building equipped at least with two rows cable wire draw ring；Under being respectively provided with outside upper layer security net and lower floor's safety net
Layer safety net avris wears net steel pipe and net steel pipe is worn in upper layer security selvage side；Lower floor's safety net avris wears net steel pipe and upper strata peace
The whole network avris is worn the one end of net steel pipe respectively with interior pull rope and outer pull rope and is connected；In the upper layer security net and lower floor's safety net
Inner edge one end for overturning haul line on drawstring and lower floor's safety net opposite side with upper layer security net respectively be connected, the upper layer security net
The other end of haul line is each passed through above and below cable wire draw ring and hangs down into ground on upset drawstring and lower floor's safety net opposite side
Face；The spacing of described upper layer security net and lower floor's safety net is 0.6-1.5m, or interior head sheave and outer head sheave are in vertical height
On spacing between 1.0-1.5m；
Steel diagonal brace mobile jib is fixed in the bottom of the external side in building, the upper end of the steel diagonal brace mobile jib is rolled tiltedly in vitro to building；It is oblique in the steel
The top for supportting mobile jib is equipped with lower floor's safety net mounting assembly towards the side of building body, pacifies on the top of the steel diagonal brace mobile jib equipped with upper strata
The whole network mounting assembly；
Layer safety net avris is worn into the lifting of net steel pipe with outer pull rope to arrive in the groove of upper layer security net mounting assembly；
Drawstring is overturn with upper strata safety net to overturn the inner edge of upper layer security net from the outside lifting of upper layer security net mounting assembly
It is connected afterwards with cable wire draw ring above；
Lower floor's safety net avris is worn into net steel pipe with interior pull rope to be lifted into the groove of lower floor's safety net mounting assembly；Use lower floor
The inner edge of lower floor's safety net is lifted and is connected with following cable wire draw ring by haul line on safety net opposite side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710709656.4A CN107288361B (en) | 2017-08-18 | 2017-08-18 | High-rise falling-prevention backward anchoring self-hanging double-layer horizontal safety net device and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710709656.4A CN107288361B (en) | 2017-08-18 | 2017-08-18 | High-rise falling-prevention backward anchoring self-hanging double-layer horizontal safety net device and construction method thereof |
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| Publication Number | Publication Date |
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| CN107288361A true CN107288361A (en) | 2017-10-24 |
| CN107288361B CN107288361B (en) | 2022-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710709656.4A Active CN107288361B (en) | 2017-08-18 | 2017-08-18 | High-rise falling-prevention backward anchoring self-hanging double-layer horizontal safety net device and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109914839A (en) * | 2019-04-18 | 2019-06-21 | 北京顺鑫天宇建设工程有限公司 | Light door-window opening roller shutter, which encloses, blocks means of defence |
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| CN109914839A (en) * | 2019-04-18 | 2019-06-21 | 北京顺鑫天宇建设工程有限公司 | Light door-window opening roller shutter, which encloses, blocks means of defence |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107288361B (en) | 2022-10-21 |
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