CN202787104U

CN202787104U - Barrier net

Info

Publication number: CN202787104U
Application number: CN201220415837.9U
Authority: CN
Inventors: 阳友奎
Original assignee: BRUCK (CHENGDU) ENGINEERING Co Ltd
Current assignee: Brooke Engineering Suzhou Co ltd
Priority date: 2012-08-21
Filing date: 2012-08-21
Publication date: 2013-03-13
Anticipated expiration: 2022-08-21

Abstract

The utility model discloses a barrier net, aiming to realize optimization of load distribution and reduction of local centralized load. The barrier net comprises at least one buffer rope, wherein the buffer rope extends along a support rope and at least crosses a support column, and one buffer rope is provided with at least two buckles for enabling the buffer rope to be attached and connected to the support rope by the two buckles. When the preset load is reached or exceeded, the buffer rope or the buffer rope and the buckles slide along the support rope, part or all of edge net holes of a metal flexible net, adjacent to the buffer rope between the two adjacent buckles, are connected with the buffer rope in a sliding way, and the edge net holes, not connected with the buffer rope, are connected with the support rope in the sliding way, so the shockproof capability is higher, the requirements on anchoring force of an anchor rod is reduced, and the maintenance is simple; the barrier net can block various types of moving objects; and the barrier net is especially suitable for blocking rolling and falling rocks, flying rocks, avalanche, debris flow and the like.

Description

The net of blocking

Technical field

The utility model relates to a kind of protective structure, namely a kind of be used to block moving object especially side slope tumble the net of blocking of Rock And Soil, mud-rock flow, snowslide and the blasting flyrock of stone, slip.

Background technology

The net of blocking that is consisted of by various metal flexible nets, supporting rope, support column and pedestal thereof, stay cord, anchor pole and energy dissipator with overload protective function etc.; because it has the advantages such as good impact resistance and construction and installation are efficient and convenient; construction or the operation protection of the engineerings such as highway, railway, power station have been widely used in; tumble Rock And Soil, mud-rock flow, snowslide and the blasting flyrock etc. of stone, slip in order to the side slope of blocking, and obtained good result.

At present, in the known all kinds of nets of blocking, on all of metal flexible net the lower edge mesh all be connected the supporting rope of pedestal across each support column top with the bottom and directly be connected, these edge mesh only can be moved by the support ran between two adjacent support columns or pedestal, thereby when being subject to the moving object such as falling rocks when the net of blocking and impacting, the movement of flexible net is restricted near support column top and bottom or the pedestal, the metal flexible web area that participates in the dissipation of impact load and disperse to transmit is limited between two adjacent support columns and the pedestal thereof basically, at support column top and bottom or the very high concentration of local load of pedestal place formation, on supporting rope and stay cord, also produce simultaneously very large load.The existence of the problems referred to above is so that the known web frame of blocking has improved necessity.

The utility model content

The larger deficiency of local point load when being hit in order to overcome the existing net of blocking, technical problem to be solved in the utility model provides a kind of net of blocking that can optimize the load distribution, reduce the concentration of local load.

The technical scheme that its technical problem that solves the utility model adopts is: the net of blocking, comprise the supporting rope and the metal flexible net that launch layout at least between two support columns and the support column, also comprise at least one snub rope, the snub rope launches and strides across at least a support column along supporting rope, be provided with at least two in the single snub rope for the tie point that adheres to that is connected with supporting rope, two adjacent part or all of edge mesh that adhere to part metal flexible net adjacent with the snub rope between the tie point slidably are connected with the snub rope, and those edge mesh that are not connected with the snub rope slidably are connected with supporting rope.

Respectively adhering to tie point, by fastener the snub rope is being adhered to and be connected on the described supporting rope, when meeting or exceeding predetermined load, slide along described supporting rope together with described fastener in described snub rope or snub rope.

Be provided with the skid-proof device that from described fastener, skids off of termination of the described snub rope of restriction in the described snub rope.

Described skid-proof device is arranged on the two ends, snub rope and is connected with supporting rope.

Described skid-proof device is the ring set that is arranged on the two ends, snub rope, and described supporting rope directly passes ring set or is connected with ring set by connector.

Described buffering ran between the termination of outermost fastener and snub rope is lax overhang.

To same snub rope, its length of run is 1.5～3 times that outermost two is adhered to air line distance between tie point.

Cross over the support column place in described snub rope, be provided with described snub rope is constrained near the supporting rope stopping means.

Described stopping means can be damaged when reaching predetermined load and be lost efficacy.

The beneficial effects of the utility model are: when the net of blocking is impacted by moving object, can utilize snub rope and syndeton thereof to transfer the wider metal flexible net impact load that dissipates, make sharing of impact load more rational, the interior peak load of each member of net has reduced to block, and then improved block the net impact resistance, and reduced requirement to anchor-holding force of anchor bolt, and then reduce the construction working amount; The buffering energy dissipating effect of snub rope makes it can reduce the energy dissipator usage quantity of the existing net of blocking, and reduces startup frequency and the startup degree of energy dissipator, thereby has reduced replacing or maintenance needs to energy dissipator; Safeguard simple.The utility model can be used as the block net of blocking of various moving objects of existing known being used for, and especially being suitable as blocks tumbles the net of blocking of stone, slungshot, snowslide, mud-rock flow etc.

Description of drawings

Fig. 1 is the structure chart that the utility model is blocked and netted.

Fig. 2 is that the A of Fig. 1 is to view (wherein part metals flexible net omit, do not draw).

Fig. 3 is the structure chart that the snub rope is set in the net end of blocking.

Be labeled as among the figure: 1,1 ＇-supporting rope, 2,2 ＇-ring set, 3,3 ＇-fastener, 4,4 ＇-snub rope, 5,5 ＇-connector, 6,6 ＇-stopping means, 7,7 ＇-metal flexible net, 8,8 ＇-edge mesh, 9-support column, 10-pedestal, 11,12,12 ＇, 12 " anchor pole; 13-stay cord, 14-energy dissipator, 15,15 ＇-layback rope.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is further specified.

Such as Fig. 1, Fig. 2 and shown in Figure 3, the net of blocking of the present utility model can be the known net of blocking for the various moving objects of blocking, tumble stone in particular for blocking, slungshot, snowslide, the net of blocking of mud-rock flow etc., the net of blocking comprises the supporting rope 1 that launches layout between support column 9 and the support column 9 at least, 1 ' and metal flexible net 7, the ingredient such as 7 ', also can comprise pedestal 10, anchor pole 11,12, stay cord 13, layback rope 15,15 ' and energy dissipator 14 other ingredients such as grade, certainly also comprise the snub rope described in this manual and and the block supporting rope of net and the syndeton between the metal flexible net: on support column 9 tops, snub rope 4 launches and strides across at least a support column 9 along supporting rope 1, be provided with at least two in the snub rope 4 for the tie point that adheres to that is connected with supporting rope 1, adjacent two part or all of edge mesh 8 that adhere between the tie point part metal flexible net 7 adjacent with snub rope 4 slidably are connected with snub rope 4, and those edge mesh 8 that are not connected with snub rope 4 slidably are connected with supporting rope 1; Similarly, also be provided with the snub rope 4 ' that is attached to supporting rope 1 ' in the bottom of support column 9.

When the net of blocking of the present utility model is impacted by moving object, impact load must from impact position by the metal flexible net to around transmit, and arrive on support column 9, pedestal 10 and the supporting rope 1,1 ' close on, finally by stay cord 13, anchor pole 11,12,12 ＇, 12 " etc. be delivered to the stratum.In this Load Transfer process, be positioned at the impact zone place and close on the metal flexible selvage that only is connected with the snub rope in support column and/or the pedestal outside along mesh, can slide along the snub rope swimmingly, and it is close to impact zone to drive wider metal flexible net, so that be delivered to support column 9 tops, the load at bottom or pedestal 10 places can outwards continue to transmit swimmingly, alleviated the concentrations of these position loads, the metal flexible web area that namely participates in the dissipation of impact load and disperse to transmit no longer is confined to the metal flexible net between two adjacent support columns and the pedestal thereof, make sharing of impact load more rational, the interior peak load of each member of net has reduced to block, and then improved block the net impact resistance, and reduced requirement to anchor-holding force of anchor bolt, and then reduce the construction working amount.

In addition, the buffering energy dissipating effect that said structure has makes it can reduce the energy dissipator usage quantity of the existing net of blocking, and reduces startup frequency and the startup degree of energy dissipator, thereby has reduced replacing or maintenance needs to energy dissipator; Correspondingly, because being the sliding deformation by its flexible cable feature, the buffering energy dissipating effect of snub rope's syndeton realizes, do not have the irrecoverable plastic strain of other energy dissipators, so the maintenance work behind its Function is also extremely simple, only need stretch to reset with simple instrument gets final product; Further, require the not too high net of blocking for impact resistance, snub rope's syndeton can substitute other fully and come endergonic energy dissipator with irrecoverable plastic strain form, makes the maintenance of system simpler.

Described snub rope 4,4 ' can adopt the threads such as all kinds of ropes, line, rope, band or bar or certain combining form wherein to be made, and for the ease of with the existing known net of blocking in usually adopt supporting rope 1 that wire rope or steel wire make, 1 ' and metal flexible net 7,7 ' between realize being connected also mutual co-ordination, make as a kind of wire rope that preferably then adopts.

Respectively adhering to tie point, what adopt when described connection is the suspension of becoming flexible fully when connecting, and can just slide when minimum load in snub rope 4,4 ', may need the more maintenance that resets in the network operation process of blocking; When described connection adopt be fully fastening connection the time, can not slide with respect to supporting rope all the time in snub rope 4,4 ', and be the slip that metal flexible net 7,7 ' has realized striding support column 9, enlarged the scope that is used for the metal flexible net of dissipation impact load, its effect of optimizing the load distribution is restricted.Therefore, as a kind of preferred, respectively adhering to tie point, by fastener 3,3 ' snub rope 4,4 ' is adhered to and to be connected on the described supporting rope 1,1 ', when meeting or exceeding predetermined load, described snub rope 4,4 ' or snub rope 4,4 ' slide along described supporting rope 1,1 ' together with described fastener 3,3 ＇, and it is close to impact zone to drive metal flexible net 7,7 ', makes metal flexible net 7,7 ' larger zone participate in disperseing to bear and transmit impact load.

In the said structure, when adhering to that tie point is not arranged on snub rope 4,4 ' end and when being arranged on the centre position of rope, also be snub rope 4,4 ' be positioned at fastener 3, when 3 ' outer part is the nature overhang, in order to prevent that snub rope 4,4 ' end from skidding off and so that snub rope 4,4 ' loses its function from described fastener 3,3 ', be provided with the skid-proof device that the described snub rope 4 of restriction, 4 ' termination skid off in the described snub rope 4,4 ' from described fastener 3,3 '.

Described skid-proof device can be clamp that is connected to snub rope 4,4 ' termination etc., preferential described skid-proof device for be arranged on 4,4 ' two ends, snub rope and be connected with supporting rope 1,1 ' adhere to syndeton, for example, for being arranged on the ring set 2,2 ' at 4,4 ' two ends, snub rope, ring set 2,2 ' can be to form by connector is fastening after 4,4 ' end, snub rope curves, and also can be the circular element that is connected to 4,4 ' end, snub rope.

As a kind of preferred, described skid-proof device is arranged on the two ends, snub rope and is connected with supporting rope, so both can stop snub rope 4,4 ' end to skid off from described fastener 3,3 ', and can avoid being between 4, the 4 ' end, snub rope of nature overhang and other members and twine, hinder snub rope 4,4 ' and metal flexible net 7,7 ' normal movement.Skid-proof device is for the ring set 2 that is arranged on 4,4 ' two ends, snub rope, 2 ' time, and supporting rope 1,1 ＇ can directly pass ring set 2,2 ' or by other Connection Elements ring set 2,2 ' is hanging on the supporting rope 1,1 '.

Further, in above-mentioned structure, described be positioned at outermost fastener 3,3 ' and skid-proof device between the buffering ran be lax overhang, namely allow the length of run of same snub rope 4 or 4 ' obviously greater than the air line distance of adhering to the buffering ran that plays direct cushioning effect between the tie point, the buffering ran that this section is loose can play the stand-by buffer effect, makes its part, place, snub rope have larger cushion space.

As a kind of preferred, same snub rope 4 or 4 ' length of run usually are preferably its outermost two and adhere to 1.5～3 times of air line distance between the tie point, and the buffering ran length of run that namely plays the stand-by buffer effect has been about 0.5～2 times of buffering ran straight length of direct cushioning effect.

For avoiding described snub rope 4, during the 4 ' original state after installing excessively away from described supporting rope 1,1 ', and in the impact load time restriction snub rope 4 that is not very large, 4 ' and metal flexible net 7,7 ' displacement and bring the too much maintenance needs that resets, in the snub rope 4,4 ' crosses over support column 9 places, be provided with described snub rope 4,4 ' constrains in supporting rope 1,1 ' and support column 9 and/or pedestal 10 near stopping means 6,6 ', stopping means 6,6 ＇ can be attached on the member of the net of blocking, and for example are arranged on the top of support column 9, the homonymy of bottom or pedestal 10 closes on supporting rope 1,1 ' position.

Further, snub rope 4 when being subjected to the moving object severe impact for the net of avoiding blocking, 4 ' cushioning effect can not be given full play to, and it is can be when reaching predetermined load damaged and lost efficacy to limit described stopping means, and this can realize in several ways.For example; stopping means 6,6 ' adopts metal pin; because the optional material of metal pin and cross-sectional diameter is different; can allow described stopping means 6,6 ' have adjustable crack critical value; when reaching predetermined load; stopping means 6,6 ' disrumpent feelings; snub rope 4,4 ' separates with its stopping means 6,6 ' of constraint, guarantee snub rope 4,4 ' and coupled metal flexible net 7,7 ' edge mesh 8,8 ' can not to be subjected to support column 9 and pedestal 10 to hinder ground fully not close to the impact zone slip.

Further; the self-protection function of blocking and netting for improving the utility model; prevent snub rope 4 under the extreme load effect, 4 ' and the syndeton failure; in snub rope 4,4 ', also energy dissipator can be set; this energy dissipator can be one section in the snub rope 4,4 ' to be turned round into ring and fixes with fastener at crosspoint place form; also can be to adhere to other energy dissipators that are connected in the snub rope 4,4 '; can certainly be other forms that can realize with reference to prior art, this class energy dissipator all specifically show in Fig. 1, Fig. 2 and Fig. 3.

The needs of blocking and netting for satisfying difference, snub rope 4,4 ' can arrange one or more in each set-point, and can be different in specification and syndeton thereof that its each root when above is set, also not show the situation more than among Fig. 1, Fig. 2 and Fig. 3.

Have enough height of blocking during for the original state of the net that guarantees to block after installing, preferably allowing described snub rope 4,4 ' the ran that described fastener 3,3 ' adheres between tie point that is positioned at be in appropriate tensioning original state after installing, can be manual tensioning or by other straining device tensionings.

Improve different existing known blocking during net based on the described technology contents of the utility model, it specifically uses with mounting means can be different, especially described snub rope 4,4 ' length and cross section specification, mounting distance between the fastener 3 or 3 ' that adheres to connection is connected to the edge mesh 8 in each snub rope 4,4 ', 8 ' quantity etc.In addition, this difference also can be embodied in different support columns 9 and/or pedestal 10 places in the net of blocking and arrange or do not arrange snub rope 4,4 ', and at the net privileged sites of blocking as the case may be to set snub rope 4,4 ' and the adjustment of syndeton between all the other ingredients of net of blocking, especially in block end and supporting rope segmentation place of net, for example, as shown in Figure 3, place, end at the net of blocking, support column 9 and/or pedestal 10 outsides do not have and snub rope 4,4 ' the edge mesh 8 that connects, 8 ', as snub rope 4,4 ' support except supporting rope 1,1 ' also has layback rope 15,15 ', layback rope 15,15 ' can be supporting rope 1,1 ' extension or separately setting, it is to snub rope 4,4 ' effect is equal to supporting rope 1,1 ', layback rope 15,15 ' also can be existing supporting rope 1,1 ' extension but at least one parallel layback rope is set separately simultaneously again; And in supporting rope segmentation place, adhere to tie point two of same snub rope and adhere to a supporting rope separately respectively and be connected.In addition, this difference also can be the snub rope 4 or 4 ' and different from the syndeton between all the other ingredients of net of blocking that is positioned at the top of same support column 9 and bottom or its pedestal 10 places, among Fig. 1 shown respectively with snub rope 4 with are connected ' the edge mesh 8 that connects is not namely identical with 8 ' quantity.Above difference should not be considered to and the block essential distinction of web frame of the utility model.

Claims

1. the net of blocking, comprise the supporting rope (1 that launches layout at least between two support columns (9) and the support column (9), 1 ') and metal flexible net (7,7 '), it is characterized in that: also comprise at least one snub rope (4,4 '), snub rope (4,4 ') along supporting rope (1,1 ') launch and stride across at least a support column (9), single snub rope (4,4 ') being provided with at least two on is used for and supporting rope (1, what 1 ') connect adheres to tie point, adjacent two are adhered between the tie point and snub rope (4,4 ') adjacent part metal flexible net (7,7 ') part or all of edge mesh (8,8 ') slidably with snub rope (4,4 ') connect, not with snub rope (4,4 ') those edge mesh (8,8 ') that connect slidably with supporting rope (1,1 ') connect.

2. the net of blocking as claimed in claim 1, it is characterized in that: respectively adhering to tie point, by fastener (3,3 ') snub rope's (4,4 ') is adhered to and to be connected on the described supporting rope (1,1 '), when meeting or exceeding predetermined load, slide along described supporting rope (1,1 ') together with described fastener (3,3 ') in described snub rope (4,4 ') or snub rope's (4,4 ').

3. the net of blocking as claimed in claim 2 is characterized in that: described snub rope is provided with the skid-proof device that the termination of the described snub rope of restriction (4,4 ') skids off from described fastener (3,3 ') on (4,4 ').

4. the net of blocking as claimed in claim 3, it is characterized in that: described skid-proof device is arranged on the two ends of snub rope's (4,4 ') and is connected with supporting rope (1,1 ').

5. the net of blocking as claimed in claim 4, it is characterized in that: described skid-proof device is for being arranged on the ring set (2,2 ') at two ends, snub rope's (4,4 '), and described supporting rope (1,1 ') directly passes ring set (2,2 ') or is connected with ring set (2,2 ') by connector.

6. such as claim 4 or the 5 described nets of blocking, it is characterized in that: the described buffering ran that is positioned between outermost fastener (3,3 ') and the skid-proof device is lax overhang.

7. the net of blocking as claimed in claim 6 is characterized in that: to same snub rope (4,4 '), its length of run is 1.5～3 times that outermost two is adhered to air line distance between the tie point.

8. such as claim 1,2,3, the 4 or 5 described nets of blocking, it is characterized in that: cross over support column (9) in described snub rope (4,4 ') and locate, be provided with described snub rope (4,4 ') is constrained near the stopping means (6,6 ') of supporting rope (1,1 ').

9. the net of blocking as claimed in claim 8 is characterized in that: described stopping means (6,6 ') can be damaged when reaching predetermined load and be lost efficacy.

10. such as claim 1,2,3, the 4 or 5 described nets of blocking, it is characterized in that: be in appropriate tensioning state under the original state of described snub rope (4,4 ') after adjacent two rans that adhere between the tie point are installing.

11. such as claim 1,2,3, the 4 or 5 described nets of blocking, it is characterized in that: described snub rope also is provided with energy dissipator on (4,4 ').

12. such as claim 1,2,3, the 4 or 5 described nets of blocking, it is characterized in that: described snub rope (4,4 ') is flexible thread-shaped body.

13. the net of blocking as claimed in claim 12 is characterized in that: described snub rope (4,4 ') is wire rope.

14. such as claim 1,2,3, the 4 or 5 described nets of blocking, it is characterized in that: the described net of blocking also comprises pedestal (10), anchor pole (11,12), stay cord (13) and energy dissipator (14).