CN204825681U - Flexible protection net of major -minor cable system - Google Patents
Flexible protection net of major -minor cable system Download PDFInfo
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- CN204825681U CN204825681U CN201520572511.0U CN201520572511U CN204825681U CN 204825681 U CN204825681 U CN 204825681U CN 201520572511 U CN201520572511 U CN 201520572511U CN 204825681 U CN204825681 U CN 204825681U
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Abstract
The utility model discloses a flexible protection net of major -minor cable system solves current flexible protection web frame and can protect the problem that the energy level is lower, the collaborative work can't be graded by the system. The utility model discloses a stand, net piece, go up support rope, under bracing rope, draw that anchor line, end support the rope, the anchor line is drawn to the side, the utility model discloses a to go up support rope and under bracing rope and design into corresponding main rope and vice all alone, and realize freely sliding of braced system, it is more clear to pass power, and the work efficiency of system increases substantially, and the dimension of just being convenient for is foster for the high protection energy level of flexible protection net can be realized.
Description
Technical field
The utility model relates to a kind of structural system of soft protecting net, and particularly a kind of structural system arranging major-minor rope in soft protecting net, belongs to technical field of structures of taking precautions against natural calamities.
Background technology
Soft protecting net is a kind of important side slope protection technology in slope geological prevention and control field.Be made up of intercepting system (adding one deck iron wire grid when wire rope net or ring network need tackle fritter falling rocks), support system (comprise anchor pole, draw anchor line, pedestal and supporting rope, column), energy consumer three major part.To the protection of zone of protection forming surface, thus stop the tenesmus of the avalanche rock soil body, play side slope protection effect.Soft protecting net protection energy level conventional is at present 500kJ ~ 750kJ.
In recent years, the geological disasters such as falling rocks avalanche are serious increasingly, and soft protecting net has become one of main protection method both at home and abroad.Especially at home, along with railway, highway construction development, to employing soft protecting net carry out efficient, easy, fast protection it is also proposed higher requirement.And domestic current flexible protective net system is difficult to the rock-fall protection realizing more than 2000 energy levels, and also occur that interception was lost efficacy repeatedly lower than the protective screening of 2000 energy levels, the application of soft protecting net encounters bottleneck.Abroad the system of soft protecting net is improved, transition rope is set up at column lower position, transition rope two ends system is hung on supporting rope, and mesh sheet is then worn and is hung on transition rope, and this mode alleviates mesh sheet when being impacted to a certain extent, the temporary impact effect that styletable produces retardance formation is slid onto along supporting rope, but the length of transition rope limits the skidding distance of mesh sheet, under high level impact condition, still easily make the lateral stressed steep increasing of column, there is press-bending unstability, and cause system crash; Meanwhile, transition rope be arranged so that joint is numerous, its reliability and manufacturability all have problems.Generally, there is following defect in existing soft protecting net: 1, protect energy level lower, cannot realize high level protection.2, system cannot classification collaborative work.3, the component of a system cannot play one's part to the full.
Utility model content
The purpose of this utility model, be difficult to realize to solve existing soft protecting net system high level rock-fall impact protection, component classification collaborative work ability, the problem such as cannot play one's part to the full, and provides a kind of major-minor cable system flexible protective web frame.
To achieve these goals, the technical solution adopted in the utility model is as follows:
In interception mesh sheet, arrange secondary rope, and secondary rope and mesh sheet are worn extension, thus form the auxiliary shoring system of interception mesh sheet, secondary rope is anchored in ground outside system two; Upper main rope, lower main rope are set along the longitudinal side of mesh sheet, and are worn respectively by connector and hang up secondary rope, lower secondary rope, thus realize the collaborative work of major-minor rope; Upper main rope and lower main rope are worn and are hung each post end, and freely can pass through styletable along rope length direction; Both sides newel post position arranges end supporting rope, and wears and be hung on mesh sheet both sides, and end supporting rope is worn and hung by both sides stud end, is anchored in ground; Upper main rope, lower main rope, upper secondary rope, lower secondary rope, middle secondary rope all can be connected energy-dissipating device with end supporting rope.Its design feature is: main rope, secondary rope, end supporting rope all freely can extend in mesh sheet, slippage, are not blocked; Main rope, secondary rope, end supporting rope all can separate connection energy-dissipating device, arranges flexibly; The radical of major-minor rope and end supporting rope can be arranged flexibly.It is characterized in that: main rope, secondary rope, end supporting rope can be free to slide and elongation, therefore can realize the abundant distortion of various energy-dissipating device and consume energy; The position of energy-dissipating device on main rope, secondary rope and end supporting rope flexibly, connected mode and combination flexible.
Wherein, upper main rope of the present utility model can pass from the top of column, also can pass from the top of column; Lower main rope can pass from the bottom of column, also can pass from the lower shell of column of column, so main rope of the present utility model wearing on steel column hangs position be not limited to a place, can adjust as the case may be.
Further, what described mesh sheet visual protection energy level demand determined to arrange the radical of secondary rope, the radical of main rope and whether arranged middle secondary rope or middle secondary rope arranges radical; Described middle secondary rope and mesh sheet wear extension, and the column being hung on end is worn at the two ends of middle secondary rope respectively, and are extended down to ground, soft protecting net both sides outward, are anchored in bearing.
Further again, ground outside the column that described upper main rope, upper secondary rope, lower main rope, lower secondary rope, middle secondary rope, end supporting rope two ends all can extend to two ends, and on extension, energy-dissipating device is set according to protection energy level demand.Described drawing on anchor line also can arrange energy-dissipating device according to protection energy level demand.
It should be added that, upper supporting rope of the present utility model, lower support rope, end supporting rope and the connected mode of column can carry out suitable adjustment according to actual conditions, are not limited to a kind of connected mode.
The utility model compared with prior art, has the following advantages and beneficial effect:
(1) system of the present utility model is according to protection energy level demand, can the radical of flexible configuration major-minor rope, the number of energy-dissipating device and allocation position, can meet the demand of each surge guard energy level of 250kJ-12000k.
(2) the utility model is by arranging main rope and secondary rope, achieves freely extending of the free slippage of mesh sheet on supporting rope and supporting rope, can meet impact large deformation and the Large travel range demand of system.
(3) form of the utility model strong point and tie point is not limit, and reduces technological requirement, is very easy to and manufactures and install.
(4) protecting net system installation of the present utility model, convenient disassembly, is convenient to dimension and supports and change, improve the service efficiency of system.
Accompanying drawing explanation
Fig. 1 is structural representation one of the present utility model.
Fig. 2 is structural representation two of the present utility model.
Fig. 3 is upper supporting rope and the structural representation being positioned at middle column connecting place.
Fig. 4 is lower support rope and the structural representation being positioned at middle column connecting place.
Fig. 5 is the structural representation of upper supporting rope and the column connecting place being positioned at end.
Fig. 6 is the structural representation of lower support rope and the column connecting place being positioned at end.
Wherein, mark corresponding component name in accompanying drawing to be called:
1-column, 2-mesh sheet, 3-draws anchor line, 4-layback anchor line, the upper main rope of 5-, the upper secondary rope of 6-, main rope under 7-, secondary rope under 8-, and 9-holds supporting rope, 10-connector, 11-energy-dissipating device, secondary rope in 12-.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail, and embodiment of the present utility model includes but not limited to the following example.
Embodiment
As shown in figs. 1 to 6, the soft protecting net of major-minor cable system comprise column 1, mesh sheet 2, draw anchor line 3, layback anchor line 4, upper main rope 5, upper secondary rope 6, lower main rope 7, lower secondary rope 8, end supporting rope 9; Described column interval arranges some, and described upper main rope and lower main rope are worn respectively and hung all stud end; The longitudinal side of described mesh sheet is worn respectively and is hung on secondary rope and lower secondary rope, and described mesh sheet both sides are worn and are hung on end supporting rope, and the two ends of described end supporting rope are passed from end post end respectively, and are fixed on the ground support outside soft protecting net two; Between described upper main rope and upper secondary rope, and on lower main rope and lower secondary rope between wear extension with several connector 10; The described anchor line that draws is tied to column upper end, and is anchored in ground between column; Described layback anchor line tying post end, and be anchored in ground support.Wherein, end supporting rope only through outer heel post top and bottom, and is fixed on ground (Shan Bishang) outside leading to two, can effectively by the pulling tightly of mesh sheet end.
Further, in order to adapt to different protection energy level, the radical of described upper main rope and upper secondary rope can increase and decrease flexibly; Mesh sheet can wear the middle secondary rope 12 of extension one or more; Major-minor rope two ends are worn respectively and are hung by two heel posts, and are extended down to outward outside soft protecting net, are anchored in ground support.Different according to protection energy level, can arrange several energy-dissipating devices 11 on major-minor rope, the concrete number of energy-dissipating device can calculate according to required protection energy level to be determined.By arranging major-minor cable system, protection energy level of the present utility model greatly can be improved.
Up/down main rope of the present utility model needs to wear to be hung by all columns, and secondary Suo Bingwei, through middle standing pillar, only needs through two side ends column.For ensureing the collaborative work between major-minor rope, being equipped with connector 10 between up/down main rope and the secondary rope of up/down, thus the collaborative work of major-minor rope can be realized.
During the utility model actual installation, column bottom first can be fixed on ground support (such as hillside), rope (the secondary rope of up/down main rope, up/down, draw anchor line, layback anchor line, end supporting rope is referred to as rope) is worn and hung by styletable simultaneously, ground outside being extended down to two outward, is fixed on bearing.Then, anchor line and post end tying will be drawn, and by drawing anchor line to pull steel column, drive protection wire side to rotate extremely perpendicular to the domatic position of protection, the bearing then will the anchor line other end being drawn to be anchored in domatic top.Drop when contacting with mesh sheet when there being stone, mesh sheet produces distortion, impact force is directly delivered to secondary rope and end supporting rope simultaneously; Secondary Suo Shouli increases to and to a certain degree starts energy-dissipating device afterwards, produces relative sliding and stretching with mesh sheet; Impact force is passed to up/down main rope by secondary rope further, and upper and lower main rope produces pulling force and increases to a certain degree rear and start energy-dissipating device, and meanwhile, upper and lower main rope is worn the generation of extension position by column and slided and impact force part component is passed to column; Adjoint with it, the blastic deformation of mesh sheet strengthens further, and main rope pulls lower turn of column, and stud end respectively impact force is passed to bearing at the bottom of post and capital end draws anchor line, draws stressed the increasing to of anchor line to a certain degree to start energy-dissipating device afterwards.When falling behind after the damping energy dissipation of impact energy through the energy-dissipating device on rope and guard system complete, finally static, system keeps the state after blastic deformation.Change after the energy-dissipating device be connected on rope through manual maintenance, system can also repeat above-mentioned work again.
Further, mesh sheet of the present utility model can be various ways, but needs to ensure that mesh sheet effectively can be worn and is hung on secondary rope.The concrete cross sectional shape of column of the present utility model is not limit, and meets the bearing capacity under different impact condition.
What deserves to be explained is, what the dotted line in Fig. 1 represented is middle secondary rope, and what color was more black is upper main rope and lower main rope, more shallow and to be arranged in below the corresponding upper main rope of figure and lower main rope be upper secondary rope and lower secondary rope.
What deserves to be explained is; illustrate based on said structure, for solving same technical problem, even if some making on the utility model are without substantial change or polishing; the essence of the technical scheme adopted is still the same with the utility model, therefore it also should in protection domain of the present utility model.
Claims (6)
1. the soft protecting net of major-minor cable system, comprises column (1), mesh sheet (2), upper supporting rope, lower support rope, draws anchor line (3), holds supporting rope (9), layback anchor line (4); It is characterized in that, described column longitudinal separation arranges some, and described upper supporting rope and lower support rope run through all stud end respectively; Described upper supporting rope is made up of upper main rope (5) and upper secondary rope (6), and lower support rope is made up of lower main rope (7) and lower secondary rope (8); Described mesh sheet is longitudinally worn and is hung on secondary rope, and described mesh sheet both sides are worn and are hung on end supporting rope, and the two ends of described end supporting rope are passed from outside stud end respectively and are fixed on both sides ground support; Between described upper main rope and upper secondary rope, and on lower main rope and lower secondary rope between wear extension with several connector (10); Describedly draw anchor line tying stud end, and anchoring and ground; Described layback anchor line tying stud end, and be anchored in ground.
2. the soft protecting net of major-minor cable system according to claim 1, is characterized in that, also comprises middle secondary rope (12); Described secondary rope, lower secondary rope, middle secondary rope and mesh sheet wear extension, form the auxiliary shoring system of interception mesh sheet, described auxiliary shoring system are connected with energy-dissipating device (11).
3. the soft protecting net of major-minor cable system according to claim 1, it is characterized in that, described secondary rope, lower secondary rope wear extension with upper main rope, lower main rope respectively, form the main support system of interception mesh sheet, described main support system are connected with energy-dissipating device (11).
4. the soft protecting net of major-minor cable system according to claim 1, it is characterized in that, described upper main rope, upper secondary rope, lower main rope, lower secondary rope, middle secondary Suo Jun wear hang and by both side ends column, be extended down to ground, protective screening both sides outward, be anchored in bearing, and on extension, be provided with energy-dissipating device (11).
5. the soft protecting net of major-minor cable system according to claim 1, is characterized in that, described end supporting rope is provided with energy-dissipating device (11).
6. the soft protecting net of major-minor cable system according to claim 1, is characterized in that, described in draw anchor line to be provided with energy-dissipating device (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520572511.0U CN204825681U (en) | 2015-07-31 | 2015-07-31 | Flexible protection net of major -minor cable system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520572511.0U CN204825681U (en) | 2015-07-31 | 2015-07-31 | Flexible protection net of major -minor cable system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204825681U true CN204825681U (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520572511.0U Expired - Fee Related CN204825681U (en) | 2015-07-31 | 2015-07-31 | Flexible protection net of major -minor cable system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105019369A (en) * | 2015-07-31 | 2015-11-04 | 西南交通大学 | Flexible protective net with main and assistant cable system |
| CN108700152A (en) * | 2016-01-05 | 2018-10-23 | 香港科技大学 | The bilinearity energy dissipation and relief means of cable wire for bearing pulling force |
| CN112982201A (en) * | 2021-02-10 | 2021-06-18 | 西南交通大学 | Full-energy-consumption connection type flexible shed tunnel system and design method thereof |
-
2015
- 2015-07-31 CN CN201520572511.0U patent/CN204825681U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105019369A (en) * | 2015-07-31 | 2015-11-04 | 西南交通大学 | Flexible protective net with main and assistant cable system |
| CN108700152A (en) * | 2016-01-05 | 2018-10-23 | 香港科技大学 | The bilinearity energy dissipation and relief means of cable wire for bearing pulling force |
| CN108700152B (en) * | 2016-01-05 | 2020-08-14 | 香港科技大学 | Dual linear energy dissipation and impact damping device for steel cables subjected to tensile forces |
| CN112982201A (en) * | 2021-02-10 | 2021-06-18 | 西南交通大学 | Full-energy-consumption connection type flexible shed tunnel system and design method thereof |
| CN112982201B (en) * | 2021-02-10 | 2021-12-10 | 西南交通大学 | Full-energy-consumption connection type flexible shed tunnel system and design method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20200731 |