CN204902693U - Protection device for be used for foundation ditch blasting - Google Patents

Protection device for be used for foundation ditch blasting Download PDF

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Publication number
CN204902693U
CN204902693U CN201520574863.XU CN201520574863U CN204902693U CN 204902693 U CN204902693 U CN 204902693U CN 201520574863 U CN201520574863 U CN 201520574863U CN 204902693 U CN204902693 U CN 204902693U
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CN
China
Prior art keywords
roofing
foundation ditch
purlin
steel frame
longeron
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CN201520574863.XU
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Chinese (zh)
Inventor
崔凯
高晓刚
石磊
张亚军
林新演
连双伟
杨志强
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China Railway No 3 Engineering Group Co Ltd
Guangdong Construction Engineering Co Ltd of China Railway No 3 Engineering Group Co Ltd
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China Railway No 3 Engineering Group Co Ltd
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Priority to CN201520574863.XU priority Critical patent/CN204902693U/en
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Abstract

The utility model discloses a protection device for be used for foundation ditch blasting, it includes the steel frame, steel frame inside is equipped with many crossbeams, longeron and roofing roof beam, longeron and roofing roof beam pass through the connecting rod and weld into the multiunit howe truss, multiunit howe truss evenly distributed constitutes the main part of firm frame after on many crossbeams, prop the fixed stay through the scissors between two adjacent crossbeams, the welding has positive spine and roofing purlin on the roofing roof beam, the welding has the roofing to indulge the purlin on the roofing purlin, the roofing of steel frame has been laid close matrix safety and has been netted immediately. Adopt the utility model discloses blasting protector convenient for material collection, in -field use construction raw and other materials basically, the technological requirement is simple, makes fastly. Hoist and mount are convenient, can use repeatedly with different positions of a foundation ditch or adjacent foundation ditch, and the maintenance is simple, reduces the input of blasting warning personnel and equipment simultaneously. Can cut after the blasting engineering and restore into raw and other materials continuation use, not only practice thrift the cost, still shorten the time limit for a project, economic benefits is showing.

Description

A kind of protector for foundation ditch explosion
Technical field
The utility model relates to a kind of protector in construction research field, particularly a kind of protector for foundation ditch explosion.
Background technology
Subway work engineering in current bustling urban district is many by major urban arterial highway, and periphery high building stands in great numbers, and vehicle flowrate, flow of the people are large.Foundation ditch blasting engineering protection pressure in bustling urban district is large.Often need during explosion to evacuate the vehicle in the tens of rice of circumference and pedestrian, carry out interruption control simultaneously to the traffic of major trunk roads, the blasting protection warning manpower, material resources and financial resources of input are large.The vehicle that the random parking of covering periphery is enclosed in construction often allows blasting protection personnel suffer untold misery, as the random parking car owner run into without contact method can only allow bursting work postpone.Often because the complexity of blasting protection warning causes construction slowly, this traffic pressure of just having too many difficulties to cope with is increased again to interruption of communication control.Cause the construction period to delay, at economic aspect, construction cost also can be caused to overspend, and personnel equipment aspect also can increase more manpower and materials.
Utility model content
The purpose of this utility model, is to provide a kind of protector for foundation ditch explosion.
The solution that the utility model solves its technical problem is: a kind of protector for foundation ditch explosion, it comprises steel frame, described steel frame inside is provided with many crossbeams, longeron and roof girder, described longeron and roof girder are welded into by connecting rod and organize Howe truss more, many groups of described Howe trusses are evenly distributed on the main body forming firm framework after on many crossbeams, by bridging fixed support between two adjacent crossbeams, described roof girder is welded with positive ridge and Duo Gen roof purline, described roof purline is welded with many roofings and indulges purlin, the roofing of steel frame is equipped with close matrix safety vertical net.
As the further improvement of technique scheme, described close matrix safety vertical net is laid on inner surface and the outer surface of the roofing of steel frame, and close matrix safety vertical net indulges purlin by steel wire lashing at positive ridge, roof girder, roof purline and roofing.
As the further improvement of technique scheme, also comprise hoisting rope, described hoisting rope is locked by cable-type padlock after being wrapped over the intersection of crossbeam and longeron.
As the further improvement of technique scheme, the quantity of described crossbeam is 5, and the quantity of described Howe truss is 5 groups, and the quantity of described roof purline is 24, and the quantity that purlin indulged by described roofing is 8.
The beneficial effects of the utility model are as follows:
1, economic benefit: adopt the utility model blasting protection device to draw materials conveniently, substantially use construction raw material on the spot, technological requirement is simple, and manufacturing speed is fast.Lifting is convenient, can with a foundation ditch diverse location or Adjacent Pit Reusability, easy to maintenance, reduces the input of blast warning personnel and equipment simultaneously.Can cut after blasting engineering terminates and be recovered to raw material continuation use, not only save cost, also shortened the duration, remarkable in economical benefits.
2, social benefit: the utility model engineering method greatly reduces blasting protection fence coverage, to reduce because blasting protection warning the periphery interruption of communication that causes and crowded, and be applicable to the larger foundation ditch of span, be applicable to the dangerous larger foundation ditch putting slope Excavation Blasting simultaneously, the slungshot accident of the bustling Urban Blasting construction of very big minimizing, coordinates mutually with construction site surrounding enviroment.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described.Obviously, described accompanying drawing is a part of embodiment of the present utility model, instead of whole embodiment, and those skilled in the art, under the prerequisite not paying creative work, can also obtain other designs and accompanying drawing according to these accompanying drawings.
Fig. 1 is front view of the present utility model;
Fig. 2 is top view of the present utility model;
Fig. 3 is side view of the present utility model.
Detailed description of the invention
Be clearly and completely described below with reference to embodiment and the accompanying drawing technique effect to design of the present utility model, concrete structure and generation, to understand the purpose of this utility model, characteristic sum effect fully.Obviously; described embodiment is a part of embodiment of the present utility model, instead of whole embodiment, based on embodiment of the present utility model; other embodiments that those skilled in the art obtains under the prerequisite not paying creative work, all belong to the scope of the utility model protection.In addition, all connection/annexations mentioned in literary composition, not singly refer to that component directly connects, and refer to and according to concrete performance, can connect auxiliary by adding or reducing, and form more excellent draw bail.
With reference to Fig. 1 ~ Fig. 3, a kind of protector for foundation ditch explosion, it comprises steel frame, described steel frame inside is provided with many crossbeams 5, longeron 4 and roof girder 3, described longeron 4 and roof girder 3 are welded into by connecting rod 2 and organize Howe truss more, many groups of described Howe trusses are evenly distributed on the main body forming firm framework after on many crossbeams 5, by bridging 7 fixed support between two adjacent crossbeams 5, described roof girder 3 is welded with positive ridge 1 and Duo Gen roof purline 8, described roof purline 8 is welded with many roofings and indulges purlin 6, the roofing of steel frame is equipped with close matrix safety vertical net 10.Close matrix safety vertical net 10 is laid on the whole roofing of steel frame
Be further used as preferred embodiment, described close matrix safety vertical net 10 is laid on inner surface and the outer surface of the roofing of steel frame, and close matrix safety vertical net 10 indulges purlin 6 by steel wire lashing at positive ridge 1, roof girder 3, roof purline 8 and roofing.
Be further used as preferred embodiment, also comprise hoisting rope 9, hoisting rope 9 is steel wire rope, is locked after described hoisting rope 9 is wrapped over the intersection of crossbeam 5 and longeron 4 by cable-type padlock.
Be further used as preferred embodiment, the quantity of described crossbeam 5 is 5, and the quantity of described Howe truss is 5 groups, and the quantity of described roof purline 8 is 24, and the quantity that purlin 6 indulged by described roofing is 8.
Take span as the foundation ditch blast working of long 50 meters, wide 14 meters be example:
Concrete steps:
(1) longeron 4 and roof girder 3 connecting rod 2 are welded into Howe truss, and every truss structure uses 21 connecting rods 2.Vertical pole ' s span in connecting rod 2 is 0.9 meter.
(2) load carrier adopts 12 meters long 16#B channel-section steels, and wherein five is 5, five, crossbeam is longeron 4, and adjacent two crossbeam 5 spacing are 3 meters.Longeron 4 is arranged perpendicular to above crossbeam 5, and adjacent two longeron 4 spacing are 3 meters, and every root longeron 4 all adopts welding by both sides with every root crossbeam 5 seam crossing.
(3) after Howe truss has welded on crossbeam 5, be welded between adjacent longeron 4 with scaffolding steel pipe as bridging 7, must adopt when connecting rod 2 welds with longeron 4 and help bar to weld to increase welding stability.
(4) above roof girder 3, positive ridge 1 and 24 roof purlines 8 are welded, roof purline 8 spacing is 0.5 meter, the spacing of roof purline 8 and positive ridge 1 is also 0.5 meter, and roof purline 8 and roof girder 3 contact site adopt spot welding, every root roof purline 8 all with 5 roof girder 3 vertical weldings.
(5) on roof purline 8, weld roofing and indulge purlin 6, purlin 6 totally 8 indulged by roofing, every root distance is middle and roof purline 8 spot-welded at adjacent two roof girders 3, and it is 1.5 meters that roofing indulges purlin 6 with adjacent roof girder 3 spacing, and indulging purlin 6 spacing with adjacent roofing is 3 meters.So far explosion welding for steel structure completes.
(6) lay double-deck PE material ML-1.8x6 fire-retardant A level dense mesh safety vertical net in the roofing position of steel construction, latch closure place and nearest positive ridge 1, purlin or the roof girder 3 of dense mesh safety vertical net are stablized with finer wire colligation.
(7) in four joints of second crossbeam and second longeron, second crossbeam and the 4th longeron, the 4th crossbeam and second longeron, the 4th crossbeam and the 4th longeron, crossbeam and longeron 4 is crossed as hoisting rope 9 with 4 6x37-21.5-170-I-plating-right friendship wirerope-windings.
(8) needing above bursting work, with crane by the utility model blasting protection device lifting to assigned address, check errorless after just can carry out bursting work.
More than that better embodiment of the present utility model is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent modifications or replacement under the prerequisite without prejudice to the utility model spirit, and these equivalent modification or replacement are all included in the application's claim limited range.

Claims (4)

1. the protector for foundation ditch explosion, it is characterized in that: it comprises steel frame, described steel frame inside is provided with many crossbeams, longeron and roof girder, described longeron and roof girder are welded into by connecting rod and organize Howe truss more, many groups of described Howe trusses are evenly distributed on the main body forming firm framework after on many crossbeams, by bridging fixed support between two adjacent crossbeams, described roof girder is welded with positive ridge and Duo Gen roof purline, described roof purline is welded with many roofings and indulges purlin, the roofing of steel frame is equipped with close matrix safety vertical net.
2. the protector for foundation ditch explosion according to claim 1, it is characterized in that: described close matrix safety vertical net is laid on inner surface and the outer surface of the roofing of steel frame, close matrix safety vertical net indulges purlin by steel wire lashing at positive ridge, roof girder, roof purline and roofing.
3. the protector for foundation ditch explosion according to claim 1 and 2, is characterized in that: also comprise hoisting rope, and described hoisting rope is locked by cable-type padlock after being wrapped over the intersection of crossbeam and longeron.
4. the protector for foundation ditch explosion according to claim 1, is characterized in that: the quantity of described crossbeam is 5, and the quantity of described Howe truss is 5 groups, and the quantity of described roof purline is 24, and the quantity that purlin indulged by described roofing is 8.
CN201520574863.XU 2015-07-31 2015-07-31 Protection device for be used for foundation ditch blasting Active CN204902693U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520574863.XU CN204902693U (en) 2015-07-31 2015-07-31 Protection device for be used for foundation ditch blasting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520574863.XU CN204902693U (en) 2015-07-31 2015-07-31 Protection device for be used for foundation ditch blasting

Publications (1)

Publication Number Publication Date
CN204902693U true CN204902693U (en) 2015-12-23

Family

ID=54924861

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520574863.XU Active CN204902693U (en) 2015-07-31 2015-07-31 Protection device for be used for foundation ditch blasting

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CN (1) CN204902693U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106595412A (en) * 2017-01-19 2017-04-26 贵州新联爆破工程集团有限公司 Far-field protective structure dismantling flying stones
CN107084651A (en) * 2017-06-19 2017-08-22 武汉爆破有限公司 For deep-foundation pit engineering support beam demolition blasting flyrock protection device and method
GB2581484B (en) * 2019-02-15 2021-11-24 Hesco Bastion Ltd Roof structure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106595412A (en) * 2017-01-19 2017-04-26 贵州新联爆破工程集团有限公司 Far-field protective structure dismantling flying stones
CN107084651A (en) * 2017-06-19 2017-08-22 武汉爆破有限公司 For deep-foundation pit engineering support beam demolition blasting flyrock protection device and method
CN107084651B (en) * 2017-06-19 2018-05-29 武汉爆破有限公司 For deep-foundation pit engineering supporting beam demolition blasting flyrock protection device and method
GB2581484B (en) * 2019-02-15 2021-11-24 Hesco Bastion Ltd Roof structure

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