CN204128448U - Demolishing buildings explosion flexible protection systems - Google Patents
Demolishing buildings explosion flexible protection systems Download PDFInfo
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- CN204128448U CN204128448U CN201420503981.7U CN201420503981U CN204128448U CN 204128448 U CN204128448 U CN 204128448U CN 201420503981 U CN201420503981 U CN 201420503981U CN 204128448 U CN204128448 U CN 204128448U
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Abstract
A kind of demolishing buildings explosion flexible protection systems, it protects straw screen or mat, elastic fixing device and anchor pole to form by one deck, two-layer or layer flexible protection network, protection network.Protection network hides or hangs and surround building to be removed, and is fixed on ground and roofing or metope by elastic fixing device anchor pole.By arranging support, flexible protection systems and to be removed building is made to keep suitable distance, overall or local complete hiding is realized but not totally enclosed protection to building to be removed, the slungshot of various sizes can be prevented, absorb slungshot kinetic energy and part blasting energy by the distortion of system components, weaken the harm of shock wave; Portion of energy and detonation gas can be allowed again to scatter and disappear away in time, alleviate the destruction of explosion to guard system and surrounding environment, ensure that guard system can repeatedly use.The utility model achieves the protection of low cost to demolishing buildings explosion, high reliability.
Description
Technical field
The utility model belongs to blasting engineering field, is specifically related to a kind of demolishing buildings explosion flexible protection systems.
Background technology
Explosion is the efficient construction means that City Building is removed, and can save manpower and mechanical work, the reduction of erection time, reduces construction cost.But bursting work exists larger potential safety hazard, the slungshot caused during demolishing buildings explosion particularly in city, shock wave can bring security threat to Nearby Structure and resident etc.Therefore, the security protection of urban architecture demolition blasting is very important.Traditional blasting protection mainly contains and uses scaffold and around the building that will remove, arrange enclosing with bamboo wood, plank or steel plate, and this means of defence exists needs material many, and construction is wasted time and energy, shortcoming with high costs.And, because traditional protection is generally airtight, shock wave has reflex, the shock wave that explosion can not be allowed to produce and detonation gas free diffusing, exacerbate the destruction of explosion, the guard system needs causing plank and steel plate to form are very firm just better protection effect, and this causes protection cost to significantly improve.In order to reduce protection cost, we need to change the security protection that a kind of thinking considers demolishing buildings explosion.
Summary of the invention
The purpose of this utility model is to provide one can reusable demolishing buildings explosion flexible protection systems; it protects straw screen or mat, elastic fixing device, anchor pole etc. to form by one or more layers soft protecting net, protection network; can hide or hang and surround building to be removed; by the distortion energy-absorbing function of flexible protection systems; realize the interception to blasting flyrock, to the abatement of Blasting shock wave.This system can be reused, and achieves the significantly reduction of protection cost.
The purpose of this utility model is achieved in that
A kind of demolishing buildings explosion flexible protection systems, comprise protection network, elastic fixing device and anchor pole, protection network covers on building, and elastic fixing device is arranged on the corner of protection network, and elastic fixing device is fixed on ground by anchor pole.
A kind of demolishing buildings explosion flexible protection systems, comprise protection network, elastic fixing device and anchor pole, elastic fixing device has been installed in the corner of protection network, elastic fixing device wherein on two adjacent angles is fixed on ground by anchor pole, on the roofing that the elastic fixing device on two other angle is fixed on building by anchor pole or metope.
A kind of demolishing buildings explosion flexible protection systems, comprise protection network, elastic fixing device, anchor pole and J-shaped fixing anchor bar, the elastic fixing device that the angle that two of protection network are adjacent is installed is fixed on ground by anchor pole, on the roofing that building is fixed on by some J-shaped fixing anchor bars in protection network limit or metope.
A kind of demolishing buildings explosion flexible protection systems, comprise protection network, elastic fixing device and stitching net, two pieces of protection networks vertically cover on building mutually, the elastic fixing device that the corner of every block protection network is installed is fixed on ground by anchor pole, and two pieces of protection networks are coupled to entirety in lap-joint by iron wire colligation or loop bonding with stitching net; Protection network is identical with stitching web frame.
The limit of described protection network or centre position are also provided with some elastic fixing devices, and elastic fixing device is fixed on metope or the roofing of ground or building by anchor pole.
Described elastic fixing device is spring or elastic string, is fixed by iron wire and protection network and anchor pole colligation; Protection network is monolayer net or Double-level Reticulated or Multilayer Network.
Described bilayer or multilayer protective screen can with iron wire loop bonding or colligation integrally, protection network covers in the face of the building available straw screen or mat of one side or straw mat or careless blanket.
The mesh of each layer net of described bilayer or multilayer protective screen, wire diameter and intensity gradually change according to distance building distance, from building more close to mesh, wire diameter and intensity larger.
Described monolayer composite net or bilayer, multilayer protective screen adopt side slope active protecting net from one deck net that building is nearest or lead stone net.
Have cantilever support bar and cross bar between described protection network and building, cantilever support bar is connected with cross bar; Or between protection network and building, arrange T-shaped support.
Described protection network can be steel wire or wire rope net or wire netting or plastic wire or composite net.
The beneficial effects of the utility model are:
1. be applicable to various demolishing buildings blasting protection.When using the utility model, according to different protection needs, the protection network of different materials, different form of presentation and different levels structure can be selected; Also different fixed forms can be selected; Realize the protection to the different spacing distance of building; Accomplish not only economy but also the protection of safety.
2. the utility model can realize whole building to be removed or local complete hiding but not totally enclosed protection, can prevent the slungshot of various sizes, absorbs slungshot kinetic energy and part blasting energy, weaken the harm of shock wave by the distortion of system components; Portion of energy and detonation gas can be allowed again to scatter and disappear away in time, alleviate the destruction of explosion to guard system and surrounding environment; Ensure that guard system can repeatedly repeat to recycle.After building fragmentation, protection network covers disintegrating slag surface, is easily first recycled.
3. the utility model can adopt straw screen or mat or straw mat or careless blanket to protect protection network, effectively can extend the service life of protection network; And, by the mode of sprinkling water on straw screen or mat or straw mat or careless blanket, when the utility model hides building to be removed completely, can effectively suppress airborne dust to produce.
4. each modular construction of the present utility model is simple, can utilize existing industrial products, realize industrialized mass production, ensures the homogeneity of product and the reliability of quality.It is simple that the utility model also has site operation, easy-to-install advantage.
Accompanying drawing explanation
Fig. 1 is the perspective view of the utility model embodiment one;
Fig. 2 is the perspective view of the utility model embodiment two;
Fig. 3 is the perspective view of the utility model embodiment three;
Fig. 4 is the structural representation of the component J-shaped fixing anchor bar used in Fig. 3;
Fig. 5 is the perspective view of the utility model embodiment four;
Fig. 6 is the perspective view of the utility model embodiment five;
Fig. 7 is the perspective view of the utility model embodiment six;
Fig. 8 is the multilayer protective screen part section structural representation of a kind of iron wire colligation of the present utility model;
Fig. 9 is the multilayer protective screen part section structural representation of a kind of iron wire loop bonding of the present utility model;
Figure 10 is the structural representation of a kind of monolayer composite net of the present utility model or bilayer, multilayer protective screen inner layer net;
Figure 11 is the structural representation of another kind of monolayer composite net of the present utility model or bilayer, multilayer protective screen inner layer net.
In figure: 1-protection network, 2-elastic fixing device, 3-anchor pole, 4-building, 5-sews up net, 6-overlap, 7-cantilever support bar, 8-cross bar, 9-J shape fixing anchor bar, 10-T shape supports, 11-inner layer net, 12-middle level net, 13-outer layer net, 14-tie wire, 15-loop bonding iron wire, 16-straw screen or mat (or straw mat or careless blanket), 17-mesh sheet, 18-sews up iron wire, 19-supporting rope, 20-node, restrict in 21-limit, 22-loop bonding net.
Detailed description of the invention
Below in conjunction with accompanying drawing, specific embodiment of the utility model is described in further detail:
Embodiment one:
As shown in Figure 1, a kind of demolishing buildings explosion flexible protection systems, comprises protection network 1, elastic fixing device 2, anchor pole 3.Protection network 1 covers on building 4 to be removed, and ground is fixed on by elastic fixing device 2 in corner; Protection network is made up of two width, and two width protection network overlaps 6 have the coincidence of one fixed width.The demolishing buildings explosion flexible protection systems that the present embodiment provides can be used for the occasion of building two sides borehole charge bursting work, and explosion can be prevented the destruction of side close to buildings.
Embodiment two:
Embodiment two and embodiment one difference are: as shown in Figure 2, described demolishing buildings explosion flexible protection systems not only protects building 4 both sides to be removed, also protects two sides before and after building 4.Protection network 1 partly overlaps at roof.For realizing the seamless protection of building four arms of angle, sewing up net 5 at arm of angle place with one piece and two adjacent protection networks 1 are stitched into entirety.The demolishing buildings explosion flexible protection systems that the present embodiment provides, may be used for the occasion of building to be removed four facades all borehole charge bursting work, prevents explosion to the destruction of surrounding close to buildings.
Embodiment three:
As shown in Figure 3, Figure 4, the protection network 1 of described demolishing buildings explosion flexible protection systems does not cover roof part, and only protects building 4 two adjacent facades.For realizing the seamless protection of the building arm of angle, sewing up net 5 at arm of angle place with one piece and two adjacent protection networks 1 are stitched into entirety.For preventing protection network 1 too near apart from building 4 facade blow-up point, the present embodiment arranges the cantilever support bar 7 that steel make at building 4 roof edge, welding edges cross bar 8, protection network is pulled away metope one segment distance by cross bar 8.Protection network 1 is fixed on roofing at roof place J-shaped fixing anchor bar 9 (as shown in Figure 4).J-shaped fixing anchor bar 9 rectilinear end is anchored on roofing, and hook portion hooks protection network.Described demolishing buildings explosion flexible protection systems, may be used for the occasion of the adjacent facade borehole charge of building two to be removed, prevents explosion to the destruction of close to buildings.The present embodiment has saved protection network relative to embodiment two.
Embodiment four:
As shown in Figure 5, the protection network 1 of described demolishing buildings explosion flexible protection systems only hides a facade of building 4 to be removed, and protection network 1 upper end elastic fixing device 2 is fixed on anchor pole 3, and anchor pole 3 is anchored on roofing.For making protection network and metope have larger safe distance, can support by the T-shaped that timber or steel make and protection network 1 is supportted from metope.The present embodiment can only prevent the explosion destruction in a direction.
Embodiment five:
As shown in Figure 6, be with embodiment four difference: the motion amplitude being subject to mid portion after blast action for limiting protection network 1, be provided with elastic fixing device 2 in protection network 1 middle part, elastic fixing device 2 is fixed on anchor pole 3, and anchor pole 3 is anchored on metope.The present embodiment can only prevent the explosion destruction in a direction.
Embodiment six:
As shown in Figure 7, the present embodiment and embodiment three difference are, the facade local that the present embodiment is used for building 1 hides, and protection network one end J-shaped fixing anchor bar 9 is fixed on metope.The present embodiment can only prevent the explosion destruction of a facade local.
In above-mentioned six embodiments, elastic fixing device 2 adopts elastic string or spring as required, and one end is with iron wire colligation on the limit of protection network 1 or angle or centre position, and one end iron wire is fixed on anchor pole 3, and anchor pole 3 is fixed on ground or roofing or metope.Described protection network 1 as required, can be monolayer net, also can be two-layer or Multilayer Network.
When adopting the protection network of three-decker, inner layer net can be selected side slope active protecting net or lead stone net; Middle level net can select wire netting or Plastics Geonet; Outer layer net can select plastics sunshade net.Multilayer Network can be sewn into entirety with iron wire, also can make entirety by the mode of iron wire colligation.Can covering protection straw screen or mat or straw mat or careless blanket on inner layer net, take the mode of iron wire colligation or iron wire loop bonding to be fixed on protection network.
When protection network is two-layer, inner layer net can be selected side slope active protecting net or lead stone net; Outer layer net can select wire netting or Plastics Geonet.
Each layer net can be multiple apertures (as rhombus, square, circular), multiple preparation method (as machine netting, welded mesh, welding net).
When building size is larger, large scale protection network can be spliced into how secondary protection network.Splicing can adopt the mode of iron wire colligation.
In above-mentioned six embodiments, described elastic fixing device 2 can be all spring, can be also all elastic string; Can also be partly spring, part be elastic string.Described protection network protects straw screen or mat or straw mat or careless blanket to be straw establishment.
In above-mentioned six embodiments, described fixture 2 can only be arranged in protection network corner, can also be arranged in the middle of protection network or on four limits simultaneously.
Fig. 8, Fig. 9 are the partial cutaway schematic of the protection network that three-layer network is formed.Inner layer net 11 in figure, adopts the net that aperture is large, intensity is high, cordonnet makes; Diameter and the strength ratio inner layer net 11 of middle level net 12 aperture, silk thread used are little; Aperture and the silk thread of outer layer net 13 are minimum, and intensity is minimum, and plastic wire line can be selected to work out.Double-deck or Multilayer Network can be mutually independently, also can use tie wire 14 colligation integrally as shown in Figure 8, or be sewn into entirety with Fig. 9 Suo Shi with loop bonding iron wire 15.During for building construction of prevention work, outside inner layer net, one deck straw screen or mat 16 (or straw mat or careless blanket) can also be had.
Figure 10 is the structural representation after the active protecting net being usually used in side slope protection has installed elastic fixing device 2 additional, and it can be used as inner layer net 11.It comprises mesh sheet 17, sews up iron wire 18 and supporting rope 19, has node 20 in the crosspoint of girth rope 19; The available iron wire colligation in node 20 place elastic fixing device 2 (spring or elastic string).Net (what be usually used in side slope protection leads stone net) shown in Figure 11 also can be used as inner layer net 11, comprises limit rope 21 and loop bonding net 22, and the elastic fixing device 2 of corner.During use.When shown in Figure 10,11 two kind of a net uses, Path of Force Transfer is slungshot → mesh sheet 17 (or loop bonding net 22) → supporting rope 19 (or limit rope 21) → elastic fixing device 2 → anchor pole 3.
When protection network 1 is monolayer net, side slope active protecting net as shown in Figure 10, Figure 11 or side slope can be selected to lead stone net.
The above is only six citings of the utility model embodiment, and the part wherein do not described in detail is the common practise of those of ordinary skill in the art.Protection domain of the present utility model is as the criterion with the content of claim, and any simple combination based on technology of the present utility model or equivalent transformation, also within protection domain of the present utility model.
Claims (10)
1. a demolishing buildings explosion flexible protection systems, comprise protection network (1), elastic fixing device (2) and anchor pole (3), it is characterized in that: protection network (1) covers on building (4), elastic fixing device (2) is arranged on the corner of protection network (1), and elastic fixing device (2) is fixed on ground by anchor pole (3).
2. a demolishing buildings explosion flexible protection systems, comprise protection network (1), elastic fixing device (2) and anchor pole (3), it is characterized in that: elastic fixing device (2)) be arranged on the corner of protection network (1), elastic fixing device (2) wherein on protection network (1) two adjacent angle is fixed on ground by anchor pole (3), on the roofing that the elastic fixing device (2) on two other angle is fixed on building (4) by anchor pole (3) or metope.
3. a demolishing buildings explosion flexible protection systems, comprise protection network (1), elastic fixing device (2), anchor pole (3) and J-shaped fixing anchor bar (9), it is characterized in that: the elastic fixing device (2) that the angle that two of protection network (1) are adjacent is installed is fixed on ground by anchor pole (3), on the roofing that building (4) is fixed on by some J-shaped fixing anchor bars (9) in protection network (1) limit or metope.
4. a demolishing buildings explosion flexible protection systems, comprise protection network (1), elastic fixing device (2), anchor pole (3) and sew up net (5), it is characterized in that: two pieces of protection networks (1) vertically cover on building (4) mutually, the elastic fixing device (2) that the corner of every block protection network (1) is installed is fixed on ground by anchor pole (3), and two pieces of protection networks (1) are coupled to entirety in lap-joint (6) by iron wire colligation or loop bonding with stitching net (5); Protection network (1) is identical with stitching net (5) structure.
5. the demolishing buildings explosion flexible protection systems according to claim 1 or 2 or 3 or 4, it is characterized in that: limit or the centre position of described protection network (1) are also provided with some elastic fixing devices (2), and elastic fixing device (2) is fixed on metope or the roofing of ground or building (4) by anchor pole (3).
6. the demolishing buildings explosion flexible protection systems according to claim 1 or 2 or 3 or 4 or 5, is characterized in that: described elastic fixing device (2) is spring or elastic string; Protection network (1) is monolayer net or Double-level Reticulated or Multilayer Network.
7. demolishing buildings explosion flexible protection systems according to claim 6, is characterized in that: described bilayer or multilayer protective screen (1) use iron wire loop bonding or colligation integrally; Building one side faced by protection network (1) has straw screen or mat or straw mat or careless blanket (16) to cover.
8. demolishing buildings explosion flexible protection systems according to claim 6, it is characterized in that: the mesh of each layer net of described bilayer or multilayer protective screen (1), wire diameter and intensity gradually change according to distance building (4) distance, from building (4) more close to mesh, wire diameter and intensity larger.
9. demolishing buildings explosion flexible protection systems according to claim 6, is characterized in that: described monolayer composite net (1) or bilayer, multilayer protective screen (1) adopt side slope active protecting net from one deck net that building (4) is nearest or lead stone net.
10. the demolishing buildings explosion flexible protection systems according to claim 1 or 2 or 3 or 4, it is characterized in that: have cantilever support bar (7) and cross bar (8) between described protection network (1) and building (4), cantilever support bar (7) is connected with cross bar (8); Or between protection network (1) and building (4), arrange T-shaped support (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420503981.7U CN204128448U (en) | 2014-08-25 | 2014-08-25 | Demolishing buildings explosion flexible protection systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420503981.7U CN204128448U (en) | 2014-08-25 | 2014-08-25 | Demolishing buildings explosion flexible protection systems |
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| Publication Number | Publication Date |
|---|---|
| CN204128448U true CN204128448U (en) | 2015-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420503981.7U Withdrawn - After Issue CN204128448U (en) | 2014-08-25 | 2014-08-25 | Demolishing buildings explosion flexible protection systems |
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| Country | Link |
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| CN (1) | CN204128448U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236405A (en) * | 2014-08-25 | 2014-12-24 | 叶建军 | Building dismounting blasting flexible protection system |
| CN104847165A (en) * | 2015-04-16 | 2015-08-19 | 葛加君 | Building demolition enclosed coaming facility construction method |
-
2014
- 2014-08-25 CN CN201420503981.7U patent/CN204128448U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236405A (en) * | 2014-08-25 | 2014-12-24 | 叶建军 | Building dismounting blasting flexible protection system |
| CN104236405B (en) * | 2014-08-25 | 2016-08-24 | 叶建军 | Demolishing buildings explosion flexible protection systems |
| CN104847165A (en) * | 2015-04-16 | 2015-08-19 | 葛加君 | Building demolition enclosed coaming facility construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150128 Effective date of abandoning: 20160824 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |