CN105256730B - Main passive mixing trailing high-performance protective net - Google Patents
Main passive mixing trailing high-performance protective net Download PDFInfo
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- CN105256730B CN105256730B CN201510796612.0A CN201510796612A CN105256730B CN 105256730 B CN105256730 B CN 105256730B CN 201510796612 A CN201510796612 A CN 201510796612A CN 105256730 B CN105256730 B CN 105256730B
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- mesh sheet
- rope
- column
- impaling
- parallel support
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Abstract
The invention discloses main passive mixing trailing high-performance protective net, substitute traditional supporting rope up and down using more parallel support ropes, by will most descend root parallel support rope to be lifted away from ground certain distance, form the open space that lower part falling rocks passes through, so that system possesses opening features, enter hangover mesh sheet area easy to falling rocks；Mesh sheet is divided into and intercepts mesh sheet and hangover mesh sheet, so that the falling rocks of certain volume can be by most descending root parallel support rope lower openings space after intercepted, into hangover mesh sheet region, and default collecting zone is moved to along hangover direction, hangover mesh sheet has the collapse rock-fall occurred in institute overlay area certain track management and control effect.The advantages of present invention has drawn active and passive protecting net system each, has higher protection energy level and easy to clean concurrently.
Description
Technical field
The passive soft protecting net intercepted with active management and control function is had concurrently the present invention relates to a kind of, and in particular to main passive mixed
Trailing high-performance protective net is closed, belongs to construction applications of taking precautions against natural calamities.
Background technology
In recent years, Falling Rocks cause traffic safety and the security of the lives and property serious threat, and generally use is flexible
Protection network is prevented.Existing flexible protection systems are broadly divided into active flexible protecting net system and passive soft protecting net system
System.
Initiative Defence System is protection slope or rock needed for all kinds of flexible nets covering based on wire rope net is wrapped in
On, to limit the weathering off of the slope surface rock soil body or destruction and crag avalanche (reinforcement effect), or falling rocks is controlled in one
Determine range of motion (effect of going along with sb. to guard him).
Passive protection system is by wire rope net or ring network (additional layer iron wire grid when need to intercept fritter falling rocks), branch
Three support system (comprising anchor pole, drawing anchor line, pedestal, column and supporting rope), energy consumer major parts are formed.Steel column and steel wire rope
Net connection combination forms an entirety, the region forming face protection to being protected, so that the tenesmus of the avalanche rock soil body is prevented, it is main
Play interception function.
But there are the following problems for above two protection network：
Active protecting net system protection energy level is relatively low.As accumulation falling rocks gradually increases, such as cleared up not in time, when super
After crossing system bearing ability, thrashing is easily caused, triggers secondary disaster.
Passive protection net system can realize higher protection energy level, and system is typically mounted on natural slope, when in system
It is more to retain falling rocks quantity, when the scale of construction is big, no matter is purged using artificial or machinery, there are larger difficulty.
Active protecting net system is easier to clear up than passive protection net system, but protection energy level is very low, and two kinds of systems respectively have
Pros and cons.
The content of the invention
It is an object of the invention to provide main passive mixing trailing high-performance protective net, mainly solve existing active and prevent
Protecting wire net system and passive protection net system on protecting energy level and easy to clean can not have both the problem of.The present invention drawn master,
Passive protection net system each the advantages of, have higher protection energy level and easy to clean concurrently.
To achieve these goals, the technical solution adopted by the present invention is as follows：
Main passive mixing trailing high-performance protective net, traditional supporting rope up and down is substituted using more parallel support ropes,
By will most descend root parallel support rope to be lifted away from ground certain distance, the open space that lower part falling rocks passes through is formed so that system has
Standby opening features, enter hangover mesh sheet area easy to falling rocks；Mesh sheet is divided into and intercepts mesh sheet and hangover mesh sheet so that certain volume
Falling rocks can be by most descending root parallel support rope lower openings space, into hangover mesh sheet region, and along hangover side after intercepted
To default collecting zone is moved to, hangover mesh sheet there is certain track management and control to make the collapse rock-fall occurred in institute overlay area
With.
Wherein, intercept net panel region can by setting more parallel support ropes of varying number and spacing, reach improve it is whole
Body structural shielding energy level and the needs for reducing structure maximum deformation quantity.Intermediate parallel supporting rope and the interception mutual impaling of mesh sheet, and
It is supported in the middle part of column, both ends are overhanging and are anchored on bearing.Energy-consuming device can be set on parallel support rope.
Further, it is described most to descend the distance between root parallel support rope and ground, need basis practically to survey situation progress
Design, open height should allow the falling rocks of a certain size and quantity to fall to open space after intercepted, and operation downwards enters
Mesh sheet of trailing region；Or along the small energy level of certain track operation, small size falling rocks directly by open space, into hangover mesh sheet
Region., should be able to be effective full load when big quantity rock-fall impact (especially large volume or) and this open height cannot be excessive
Falling rocks is intercepted, is allowed to be controlled in intercept net panel region, will not continue to move downward, to reach protection purpose.
Yet further, the hangover mesh sheet upper end, which directly sews to be connected to, intercepts region mesh sheet lower end, due to intercepted one
The falling rocks for determining volume rebounds after contacting to earth, or the small size falling rocks of first motion to open space possesses certain initial velocity
Degree, this part falling rocks is after by lower openings space, the rolling friction between mesh sheet and ground, dissipation kinetic energy.Thus, trail
The placement length of mesh sheet should be designed according to this part kinetic energy dissipation demand.The effusion speed of final falling rocks should be met the requirements,
To avoid causing secondary disaster.
Situation is practically surveyed, meets management and control requirement, can further limit this region in local setting anchor system if necessary
Interior falling rocks movement.
It should be added that more parallel support ropes in the present invention, end supporting rope can be according to anti-on anchor line with drawing
Protect energy level demand and energy-consuming device is set.More parallel support ropes can adjust quantity and spacing according to required energy level, however it is not limited to one
Kind arrangement.
Compared with prior art, the invention has the advantages that：
(1) present invention can be according to actual conditions, it is allowed to which small-scale quantity falling rocks, by system, reaches after interception or deceleration
The effect of easy to clean.
(2) present invention can effectively intercept when meeting with fully loaded or extensive falling rocks, be allowed to be controlled in internal system, avoid
Generation secondary disaster.
(3) present invention has the function that track management and control and deceleration buffer to the falling rocks occurred in hangover mesh sheet overlay area.
(4) present invention can by way of adding more parallel support ropes, improve structural defenses energy level and falling rocks intercept away from
From expanding the scope of application in Practical Project.
Brief description of the drawings
Fig. 1 is the structure diagram one of the present invention.
Fig. 2 is the structure diagram two of the present invention.
Fig. 3 is that more parallel support ropes of the invention are connected supporting way schematic diagram with the column positioned at end.
Fig. 4 is that more parallel support ropes of invention are connected supporting way schematic diagram with positioned at middle column.
In above-mentioned attached drawing, the corresponding component names of reference numeral are as follows：
1- columns, 2- intercept mesh sheet, 3- hangover mesh sheet, 4- parallel support ropes, 5- energy-consuming devices, 6- drawing anchor lines, 7- ends branch
Support rope, 8- ground, 9- column cap slip supporting points, 10- shaft slip supporting points.
Embodiment
With reference to embodiment and attached drawing, the invention will be further described, and embodiments of the present invention include but not limited to
The following example.
Embodiment
As illustrated in fig. 1 and 2, main passive mixing trailing high-performance protective net, including column 1, interception mesh sheet 2, hangover net
Piece 3, more parallel support ropes 4, energy-consuming device 5, drawing anchor line 6, end supporting rope 7, wherein, column arranged for interval is several, most upper root
Parallel support rope impaling most descends root parallel support rope to reserve falling rocks apart from ground certain altitude with this and lead in all column tops
The open space crossed, and impaling is in column lower part；Mesh sheet impaling is intercepted on more parallel support ropes, both sides impaling is supported in end
On rope；Hangover mesh sheet upper end is connected to intercept net piece lower end, and lower end is freely positioned on slope surface；More parallel support ropes from
After column passes through, stretch out and be anchored on the bearing of both ends；Draw anchor line to be tied to column upper end, and be anchored between column
Ground, layback anchor line tying post end, and it is anchored in ground support.Supporting rope is held only through at the top of outer heel post and bottom
Portion, and lead to two outsides and be fixed on ground (Shan Bishang), pulling that can effectively by mesh sheet end tightly.In Fig. 1, h is
Open space height, l are hangover netting length.
As shown in Figures 3 and 4, in order to adapt to different protection energy levels, intercept mesh sheet can impaling varying number parallel support
Rope, most upper root by way of slip is supported and is constrained with middle part column with most descending root parallel support rope, all parallel
Supporting rope is supported and is constrained by the way of slip with both side ends column.The way of restraint of slip can be by pre-
If the various modes such as saddle and suspension member, determine depending on energy level size, and are regardless of Mr. Yu and plant specific way.All parallel support ropes to
It is anchored in after the extension of both ends on ground support, can arranges energy-consuming device on parallel support rope as needed.
Column bottom when mounted, can be first fixed on ground support (natural slope) by the present invention, while by various supports
Rope impaling is simultaneously outer to be extended down to ground outside both sides, is fixed on bearing；Afterwards, anchor line and post end tying are drawn, and by drawing anchor
Rope pulls column, drives protection wire side to rotate to perpendicular to protection slope surface position, then the anchor line other end will be drawn to be anchored in slope surface
The bearing of top.When rock-fall impact intercepts mesh sheet, mesh sheet deforms, while by impact force to parallel support rope transmission, and
Consumption falling rocks kinetic energy is started by energy-consuming device；Small kinetic energy, the small size falling rocks often met afterwards fall naturally, by most descending root to put down
The space reserved under row supporting rope, into hangover mesh sheet region；The larger falling rocks of volume is intercepted, and can't pass through lower openings
Or effusion system, to avoid secondary disaster occurs.Most descend root parallel support rope lower openings height should be according to practically condition herein
Determined with falling rocks assessment, it is not limited to certain value.Thus, the present invention can reach small-scale falling rocks easy to clean, large volume falling rocks
Intercepted, hangover mesh sheet region falling rocks is by the multiple-protection effect of management and control.
Further, mesh sheet of the invention can be diversified forms, and it can be multi-form, no to intercept mesh sheet and hangover mesh sheet
Same specification mesh sheet.The specific section form of column is unlimited, meets the bearing capacity under the conditions of different impacts.
According to above-described embodiment, the present invention can be realized well.What deserves to be explained is before based on said structure design
Put, to solve same technical problem, some made in the present invention are used without substantive change or polishing
Technical solution essence still as the present invention, therefore it should also be as within the scope of the present invention.
Claims (6)
1. the passive mixing trailing high-performance protective net of master, including column (1), mesh sheet, supporting rope, drawing anchor line (6), end supporting rope
(7), longitudinally spaced some of the arrangement of the column, mesh sheet extends along column and both ends impaling is in the end supporting rope of outer heel post
(7) on, the both ends of end supporting rope (7) pass through from outer heel post and are fixed on both sides ground support respectively, and supporting rope impaling is in vertical
On column and mesh sheet, both sides ground support is fixed at both ends, draws anchor line one end to be connected with column upper end, and the other end is anchored in ground,
It is characterized in that, the mesh sheet includes intercepting mesh sheet (2) and hangover mesh sheet (3), intercept mesh sheet and consolidate along column extension and both ends
Due on the end supporting rope of outer heel post, supporting rope includes more parallel support ropes (4) arranged in parallel, more parallel branch
Support restricts equal impaling in intercepting on mesh sheet (2) and both ends column, and both sides ground support is fixed at both ends, forms interception structure unit；
The more parallel support ropes (4), draw anchor line (6) with intercepting mesh sheet (2) impaling, to be formed with end supporting rope (7) and intercept mesh sheet
Auxiliary shoring system, auxiliary shoring system is also connected with energy-consuming device (5)；Root parallel support rope is most descended not contacted with ground, and
Most descend the open height on root parallel support rope and ground excessive, so as to should be able to effectively intercept falling rocks in full load, be allowed to control
Intercept net panel region is formed on, will not continue to move downward；Hangover mesh sheet (3), which is then sewed, is connected to intercept net piece bottom；It is described to drag
Tail mesh sheet (3) angle point is anchored in slope surface.
2. master according to claim 1 passively mixes trailing high-performance protective net, it is characterised in that intercepts mesh sheet (2)
Upper end impaling on most upper root parallel support rope, most upper root parallel support rope impaling is in column cap saddle and draws to interception structure
Then the both sides of unit are anchored in ground, intercept the lower end impaling of mesh sheet (2) in most descending on root parallel support rope, intercept mesh sheet
(2) middle part impaling is on the parallel support rope at middle part.
3. master according to claim 1 passively mixes trailing high-performance protective net, it is characterised in that described more parallel
It is most upper with most descending the equal impaling of root parallel support rope in each column and being extended down to protection network both sides ground outside in supporting rope (4), anchor
In bearing, and energy-consuming device (5) is set on extension section.
4. master according to claim 3 passively mixes trailing high-performance protective net, it is characterised in that described more parallel
In supporting rope (4), the equal impaling of intermediate parallel supporting rope is in both side ends column and is extended down to protection network both sides ground outside, is anchored in branch
Seat, and energy-consuming device (5) is set on extension section.
5. master according to claim 4 passively mixes trailing high-performance protective net, it is characterised in that the end supporting rope
(7) energy-consuming device (5) is set on.
6. master according to claim 5 passively mixes trailing high-performance protective net, it is characterised in that the drawing anchor line
(6) energy-consuming device (5) is set on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510796612.0A CN105256730B (en) | 2015-11-18 | 2015-11-18 | Main passive mixing trailing high-performance protective net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510796612.0A CN105256730B (en) | 2015-11-18 | 2015-11-18 | Main passive mixing trailing high-performance protective net |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105256730A CN105256730A (en) | 2016-01-20 |
| CN105256730B true CN105256730B (en) | 2018-04-20 |
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| CN201510796612.0A Active CN105256730B (en) | 2015-11-18 | 2015-11-18 | Main passive mixing trailing high-performance protective net |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105696850B (en) * | 2016-04-05 | 2017-12-01 | 四川奥特机械设备有限公司 | A kind of animal protective grille |
| CN106284385B (en) * | 2016-09-30 | 2019-05-14 | 西南科技大学 | A kind of energy consumption protective net |
| CN107245961A (en) * | 2017-06-05 | 2017-10-13 | 四川蜀通顺成建筑劳务有限公司 | Flexible hangar tunnel |
| CN109972872A (en) * | 2018-11-27 | 2019-07-05 | 定州康拓科技有限公司 | Unrestrained system is manually made with bilateral suspension protective device |
| CN109356179A (en) * | 2018-12-07 | 2019-02-19 | 四川博华工程材料有限公司 | A kind of compound passive slope protection structure |
| CN110344341A (en) * | 2019-07-17 | 2019-10-18 | 布鲁克（成都）工程有限公司 | The flexible blocking backstop constrained using additional deformation |
| CN113216024B (en) * | 2021-05-08 | 2022-06-24 | 四川省交通勘察设计研究院有限公司 | Assembled steel case canopy hole of hierarchical protection |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3954414B2 (en) * | 2002-03-11 | 2007-08-08 | 開発コンクリート株式会社 | Protective body using net |
| JP3874769B2 (en) * | 2004-06-08 | 2007-01-31 | 登志夫 田中 | Falling rock protection net structure and construction method |
| JP5079293B2 (en) * | 2006-10-02 | 2012-11-21 | 東亜グラウト工業株式会社 | Rock fall protection device |
| CN203768918U (en) * | 2013-11-26 | 2014-08-13 | 中铁二院工程集团有限责任公司 | Curtain type protective screen |
| CN104674686B (en) * | 2015-02-15 | 2016-07-13 | 三峡大学 | A kind of Falling Rocks buffer protection system |
| CN205295975U (en) * | 2015-11-18 | 2016-06-08 | 成都希尔特科技有限公司 | Main passive hangover formula high performance protection network that mixes |
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