CN203960760U - Flexible blocking backstop - Google Patents
Flexible blocking backstop Download PDFInfo
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- CN203960760U CN203960760U CN201420356027.XU CN201420356027U CN203960760U CN 203960760 U CN203960760 U CN 203960760U CN 201420356027 U CN201420356027 U CN 201420356027U CN 203960760 U CN203960760 U CN 203960760U
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- rope
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Abstract
The utility model discloses a kind of flexible blocking backstop, relate to a kind of protective structure, provide a kind of and can optimize the flexible blocking backstop that load distributes, reduces concentration of local load.Flexible blocking backstop comprises two radicle support columns, supporting rope and the metal flexible net between end portion supports post at the middle part support column between end portion supports post and horizontal spreading, supporting rope is by end portion supports post and middle part support column tensioning, flexible blocking backstop also comprises parallel cache rope, parallel cache rope and supporting rope are close to and be arranged in parallel, parallel cache rope is by the tensioning of end portion supports post, parallel cache rope is connected with middle part support column by the connector of shape variable or easy fracture, at least one next-door neighbour's middle part support column of metal flexible net or the edge mesh of end portion supports post are only slidably connected with parallel cache rope, all the other edge mesh are only slidably connected with supporting rope.The utility model can be for the moving object of blocking, and especially tumbles Rock And Soil, mud-rock flow, snowslide and the blasting flyrock of stone, slip.
Description
Technical field
The utility model relates to a kind of protective structure, i.e. a kind of flexible blocking backstop that especially tumbles Rock And Soil, mud-rock flow, snowslide and the blasting flyrock of stone, slip for the moving object of blocking.
Background technology
The flexible blocking backstop being formed by various flexible net, supporting rope, support column and pedestal thereof, stay cord and the energy dissipator with overload protective function etc.; because it has good impact resistance and the advantage such as construction and installation are efficient and convenient; construction or the operation protection of the engineerings such as highway, railway, power station are 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 the also stop motion of blocking; or after blocking, change and control motion path and the range of movement of these moving objects, and obtained good result.
At present, in known all kinds of flexible blocking backstops, the supporting rope of arranging along horizontal spreading between each support column is all bearing in support column or the pedestal connected with support column in inseparable mode or is arranged on the supporting masses such as ground anchor pole or is attached to supporting member on these supporting masses and realizes tensioning and be connected, at the bottom of all top rows of flexible net, row's mesh is conventionally all directly to pass these mesh, sew up rope, the modes such as shackle are directly connected with supporting rope, thereby in the time that flexible blocking backstop is subject to moving object impact, these mesh that are connected with supporting rope because of supporting mass or on it effect of contraction of accompanying supporting member only can on the support ran between two adjacent supporting masses, move, near the movement of the flexible net of supporting mass is restricted, form very high concentration of local load, thereby reduce the integral protection ability of flexible blocking backstop.As a kind of scheme addressing this problem, the applicant's the patent No. is ZL201220415837.9, name is called the patent of " net of blocking ", the one net of blocking is disclosed, it comprises supporting rope and the flexible net of between at least two support columns and support column, launching layout, also comprise at least one snub rope, two ends, snub rope are slidably adhered to and are connected on supporting rope and at least stride across a support column, part or all of top row or end row's mesh of the part flexible net adjacent with snub rope are slidably only connected with snub rope, the mesh of this connection can be crossed over support column or thereby pedestal slip reduces the concentration of local load in this region.As another scheme addressing this problem, the applicant's the patent No. is ZL201320530024.9, name is called the patent of " flexible blocking backstop ", a kind of flexible blocking backstop is disclosed, it comprises supporting rope and the flexible net that between at least two support columns and support column, horizontal spreading is arranged, the at least one end that also comprises support column length direction is connected with supporting mass free to rotate for tensioning supporting rope, can also comprise can be there is obvious elongation strain, free segment displacement discharges, hasp is threaded off, separate, the modes such as fracture make it encircle all sizes and obviously increase or remove the connecting ring of annular enclosed shape, at least one mesh that is positioned at flexible net top row or end row is connected to form the region with pooling feature by connecting ring and supporting rope.Proved that above-mentioned two schemes is effectively in actual applications, but still there is further improvement and alternative possibility in it.
Utility model content
The larger deficiency of concentration of local load in flexible net while being hit in order to overcome existing flexible blocking backstop, technical problem to be solved in the utility model is to provide a kind ofly can optimize the flexible blocking backstop that load distributes, reduces concentration of local load and especially reduce near the interior concentration of local load of flexible net supporting mass and supporting rope intersection region.
For the technical scheme that addresses the above problem employing is: flexible blocking backstop comprises two radicle support columns, be arranged between two radicle support columns and top braces rope and metal flexible net at the middle part support column between two radicle support columns and horizontal spreading, top braces rope is by end portion supports post and middle part support column tensioning, metal flexible net is connected with top braces rope, flexible blocking backstop also comprises top parallel cache rope, top parallel cache rope and top braces rope are close to and be arranged in parallel, top parallel cache rope is by the tensioning of end portion supports post, top parallel cache rope is connected with middle part support column by the connector of shape variable or easy fracture with middle part support column separation or top parallel cache rope, next-door neighbour's middle part support column or the end portion supports post of metal flexible net
At least one edge mesh be only slidably connected with top parallel cache rope, all the other edge mesh near top braces rope of metal flexible net are only slidably connected with top braces rope or are slidably connected with top braces rope and top parallel cache rope.
Further: comprise bottom support rope and bottom parallel cache rope, bottom support rope is by end portion supports post and middle part support column tensioning, bottom parallel cache rope and bottom support rope are close to and be arranged in parallel, bottom parallel cache rope is by the tensioning of end portion supports post, bottom parallel cache rope is connected with middle part support column by the connector of shape variable or easy fracture with middle part support column separation or bottom parallel cache rope, next-door neighbour's middle part support column or the end portion supports post of metal flexible net
At least one edge mesh be only slidably connected with bottom parallel cache rope, all the other edge mesh near bottom support rope of metal flexible net are only slidably connected with bottom support rope or are slidably connected with bottom support rope and bottom parallel cache rope.
Further: comprise bottom support rope, bottom parallel cache rope and at least three supporting bases arranging that are in line, the supporting base that is positioned at two ends is overhang bracket seat, all the other supporting bases are intermediate support seat, bottom support rope is by supporting base tensioning, bottom parallel cache rope and bottom support rope are close to and be arranged in parallel, bottom parallel cache rope is by the tensioning of overhang bracket seat, bottom parallel cache rope is connected with intermediate support seat by the connector of shape variable or easy fracture with the separation of intermediate support seat or bottom parallel cache rope, at least one edge mesh of next-door neighbour's intermediate support seat of metal flexible net or overhang bracket seat is only slidably connected with bottom parallel cache rope, all the other edge mesh near bottom support rope of metal flexible net are only slidably connected with bottom support rope or are slidably connected with bottom support rope and bottom parallel cache rope.
Further: end portion supports post, middle part support column and supporting base include supporting mass free to rotate, top braces rope, bottom support rope, top parallel cache rope and bottom parallel cache rope are all by supporting mass tensioning.
Further: end portion supports post and middle support column include support column main body and the anchorage with anchor pole, and support column main body and anchorage are hinged.
Further: body of clasp, crosspoint and free segment that connector comprises fastener and is bent to form by metal wire rod, fastener connects metal wire rod two parts according to predetermined load at crosspoint place, and free segment can move in the time that extraneous load exceedes predetermined load in fastener.
Further: top braces rope, bottom support rope, top parallel cache rope and bottom parallel cache rope are all directly realized slidably and being connected through the edge mesh of metal flexible net.
Further: top braces rope, bottom support rope, top parallel cache rope and bottom parallel cache rope are all connected with the edge mesh of metal flexible net by connecting ring.
Further: between adjacent supporting mass, be provided with the connecting ring that only top braces rope is connected with top parallel cache rope and only bottom support rope is connected with bottom parallel cache rope.
The beneficial effects of the utility model are: parallel cache rope (top parallel cache rope and bottom parallel cache rope) separates with middle part support column or passes through under the connector and middle part support column connection of easy fracture, when flexible blocking backstop is impacted by moving object, can make the metal flexible net mesh being only connected with parallel cache rope no longer be subject to the restriction of middle part support column, can cross over middle part support column and slide.Parallel cache rope and middle part support column are by under the connector and middle part support column connection of shape variable, when flexible blocking backstop is impacted by moving object, can make the restriction of the suffered supporting mass of flexible net mesh being only connected with parallel cache rope reduce, wider slip can occur.The slip of these leap supporting masses or wider slip can be drawn the wider flexible net mesh being connected with supporting rope and be slided along supporting rope, thereby transfer the wider flexible net impact load that dissipates, make sharing of impact load more rational, the load of optimizing in flexible blocking backstop distributes, reduce to be close in flexible net the peak load in Load concentration degree and the each member in supporting mass region, improve the impact resistance of flexible blocking backstop, reduce the requirement to anchor-holding force of anchor bolt, reduce startup frequency and the startup degree of energy dissipator, reduce replacing or maintenance needs to energy dissipator, and then minimizing construction and installation workload and later stage operation maintenance workload, improve the cost performance of preventive works.The utility model can be used as the existing known net of blocking for the various moving objects of blocking, and is especially suitable as to block and the side slope of stop motion tumbles the Rock And Soil, snowslide, mud-rock flow etc. of stone, slungshot, slip or after blocking, changes and control the motion path of these moving objects and the flexible blocking backstop of range of movement.
Brief description of the drawings:
Fig. 1 is flexible blocking backstop structure chart;
Fig. 2 is flexible blocking backstop partial enlarged drawing;
Fig. 3 is a kind of embodiment lateral view of flexible blocking backstop;
Fig. 4 is the another kind of embodiment lateral view of flexible blocking backstop;
Fig. 5 is another embodiment lateral view of flexible blocking backstop;
Fig. 6 is connecting-piece structure figure;
In figure, be labeled as: rope 13, support column main body 14, anchorage 15, anchor pole 16, supporting base 17, locating part 18, free segment 19, fastener 20, crosspoint 21, metal wire rod 22, body of clasp 23 hang down for end portion supports post 1, middle part support column 2, top braces rope 3, metal flexible net 4, top parallel cache rope 5, connecting ring 6, edge mesh 7, bottom support rope 8, bottom parallel cache rope 9, supporting mass 10, stay cord 11, buffering energy dissipator 12, limit.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is further illustrated.
Flexible blocking backstop comprises two radicle support columns 1, be arranged between two radicle support columns 1 and top braces rope 3 and metal flexible net 4 at the middle part support column 2 between two radicle support columns 1 and horizontal spreading, top braces rope 3 is by end portion supports post 1 and 2 tensionings of middle part support column, metal flexible net 4 is connected with top braces rope 3, flexible blocking backstop also comprises top parallel cache rope 5, top parallel cache rope 5 is close to and be arranged in parallel with top braces rope 3, top parallel cache rope 5 is by 1 tensioning of end portion supports post, top parallel cache rope 5 is connected with middle part support column 2 by the connector of shape variable or easy fracture with 2 separation of middle part support column or top parallel cache rope 5, next-door neighbour's middle part support column 2 of metal flexible net 4 or at least one edge mesh 7 of end portion supports post 1 are only slidably connected with top parallel cache rope 5, metal flexible net 4 all the other edge mesh 7 near top braces rope 3 are only slidably connected with top braces rope 3 or are slidably connected with top braces rope 3 and top parallel cache rope 5.
Except above-mentioned each component, flexible blocking backstop also can comprise stay cord 11, buffering energy dissipator 12 and Bian Chui rope 13.Stay cord 11 is for anchor portion support column 1 and middle part support column 2.Buffering energy dissipator 12 is connected with supporting rope end, the impact being subject to for cushioning supporting rope; Buffering energy dissipator can according to circumstances adopt different layout quantity, position and form, even also can be connected with metal flexible net 4.Metal flexible net 4 comprises some mesh, and edge mesh 7 refers to the mesh that is positioned at the online lower limb of metal flexible.Supporting rope two ends should be connected and fixed with ground.
Be illustrated in figure 3 the flexible blocking backstop that is only provided with top braces rope 3, metal flexible net 4 freely overhang aerial or its lower limb dangle to ground even along the slope side that faces down extend certain limit, such flexible blocking backstop can be realized and after moving object, change and control the protection object of its motion path and range of movement blocking.
Figure 4 shows that another kind of flexible blocking backstop.The main distinction of flexible blocking backstop shown in this type of flexible blocking backstop and Fig. 3 is to be provided with bottom support rope 8 and bottom parallel cache rope 9.Specific as follows: flexible blocking backstop comprises bottom support rope 8 and bottom parallel cache rope 9, bottom support rope 8 is by end portion supports post 1 and 2 tensionings of middle part support column, bottom parallel cache rope 9 is close to and be arranged in parallel with bottom support rope 8, bottom parallel cache rope 9 is by 1 tensioning of end portion supports post, bottom parallel cache rope 9 is connected with middle part support column 1 by the connector of shape variable or easy fracture with 1 separation of middle part support column or bottom parallel cache rope 9, next-door neighbour's middle part support column 2 of metal flexible net 4 and at least one edge mesh 7 of end portion supports post 1 are only slidably connected with bottom parallel cache rope 9, metal flexible net 4 all the other edge mesh 7 near bottom support rope 8 are only slidably connected with bottom support rope 8 or are slidably connected with bottom support rope 8 and bottom parallel cache rope 9.This type of flexible blocking backstop can be realized the also object of stop motion object of blocking.
Figure 5 shows that another class flexible blocking backstop.This type of flexible blocking backstop is that bottom support rope 8 is different with bottom parallel cache rope 9 set-up modes from the backstop of flexible blocking shown in Fig. 4 main distinction.Specific as follows: flexible blocking backstop comprises bottom support rope 8, bottom parallel cache rope 9 and at least three supporting bases 17 arranged that are in line, the supporting base 17 that is positioned at two ends is overhang bracket seat, all the other supporting bases 17 are intermediate support seat, bottom support rope 8 is by supporting base 17 tensionings, bottom parallel cache rope 9 is close to and be arranged in parallel with bottom support rope 8, bottom parallel cache rope 9 is by the tensioning of overhang bracket seat, bottom parallel cache rope 9 is connected with intermediate support seat by the connector of shape variable or easy fracture with the separation of intermediate support seat or bottom parallel cache rope 9, at least one edge mesh 7 of next-door neighbour's intermediate support seat of metal flexible net 4 is only slidably connected with bottom parallel cache rope 9, metal flexible net 4 all the other edge mesh 7 near bottom support rope 8 are only slidably connected with bottom support rope 8 or are slidably connected with bottom support rope 8 and bottom parallel cache rope 9.Conventionally supporting base 17 should be arranged on to uphill side, metal flexible net 4 bottoms are rolled tiltedly to going up a slope.This type of flexible blocking backstop can be realized the also object of stop motion object of blocking equally.
Parallel cache rope and supporting rope are by end portion supports post 1 or middle support column 2 tensionings, and its concrete mode can be to get through hole on end portion supports post 1 and middle support column 2, and parallel cache rope or supporting rope are through this through hole tensioning.The utility model way of recommendation is as follows: end portion supports post 1, middle part support column 2 and supporting base 17 include supporting mass free to rotate 10, and top braces rope 3, bottom support rope 8, top parallel cache rope 5 and snub rope 9, parallel bottom are all by supporting mass 10 tensionings.The contact point of supporting rope and supporting mass 10 free to rotate relatively moves with the less roll mode of frictional resistance, supporting rope or its section of extending laterally of the two support column both sides adjacent with moving object impact position are able to swimmingly to impact position displacement, thereby that transfers metal flexible net 4 widerly shares and transmits load, reduction flexible blocking backstop be hit area peripheral edge Local Loads intensity and be finally delivered to the load on all kinds of anchor poles.
End portion supports post 1 is specific as follows with the mode that middle support column 2 is connected with ground: end portion supports post 1 and middle support column 2 include support column main body 14 and the anchorage 15 with anchor pole 16, support column main body 14 is hinged with anchorage 15, then can anchor portion support column 1 and middle support column 2 by stay cord 11 tensions.This mode can further improve " flexibility " of flexible blocking backstop, thereby improves impact resistance.
The concrete set-up mode of connector is as follows: body of clasp 23, crosspoint 21 and free segment 19 that connector comprises fastener 20 and is bent to form by metal wire rod 22, fastener 20 connects metal wire rod 22 two parts according to predetermined load at 21 places, crosspoint, and free segment 19 can be in the interior movement of fastener 20 in the time that extraneous load exceedes predetermined load.So, in the time that connector load meets or exceeds predetermined value, body of clasp 23 first geometry variation is that its length dimension change weakens greatly its effect of contraction; While further increased by load, free segment 19 can skid off fastener 20 certain lengths and discharge displacement and obviously increase connector ring ring week size, and even free segment 19 can skid off fastener 20 completely and remove the annular enclosed state of body of clasp 23 that connects.Locating part 18 also can be set at metal wire rod 22 two ends avoids free segment 17 can skid off fastener 19 completely.
Metal flexible net 4 with supporting rope or/and the concrete mode that parallel cache rope is slidably connected can have following two kinds: the one, top braces rope 3, bottom support rope 8, top parallel cache rope 5 and bottom parallel cache rope 9 are all directly realized slidably and being connected through the edge mesh 7 of metal flexible net 4.The 2nd, top braces rope 3, bottom support rope 8, top parallel cache rope 5 and bottom parallel cache rope 9 are all connected with the edge mesh 7 of metal flexible net 4 by connecting ring 6.Fig. 1 top is the situation that top braces rope 3 is connected with the edge mesh 7 of metal flexible net 4 by connecting ring 6 with top parallel cache rope 5; Fig. 1 bottom is the situation that bottom support rope 8 and bottom parallel cache rope 9 directly pass the edge mesh 7 of metal flexible net 4.Connecting ring 6 can be the existing article that rope clamp or shackle etc. can directly be bought from the market.
Further, between adjacent supporting mass 10, be provided with the connecting ring 6 that only top braces rope 3 is connected with top parallel cache rope 5 and only bottom support rope 8 is connected with bottom parallel cache rope 9.As shown in Figure 1, between adjacent supporting mass 10, be provided with three connecting rings 6 that only top braces rope 3 are connected with top parallel cache rope 5 or only bottom support rope 8 are connected with bottom parallel cache rope 9.Connecting ring 6 herein can be the existing article that rope clamp or shackle etc. can directly be bought from the market equally.
Claims (9)
1. flexible blocking backstop, comprise two radicle support columns (1), the middle part support column (2) and the horizontal spreading that are positioned between two radicle support columns (1) are arranged between two radicle support columns (1) and top braces rope (3) and metal flexible net (4), top braces rope (3) is by end portion supports post (1) and middle part support column (2) tensioning, metal flexible net (4) is connected with top braces rope (3), it is characterized in that: comprise top parallel cache rope (5), top parallel cache rope (5) is close to and be arranged in parallel with top braces rope (3), top parallel cache rope (5) is by end portion supports post (1) tensioning, top parallel cache rope (5) separates with middle part support column (2) or top parallel cache rope (5) is connected with middle part support column (2) by the connector of shape variable or easy fracture, next-door neighbour's middle part support column (2) of metal flexible net (4) or at least one edge mesh (7) of end portion supports post (1) are only slidably connected with top parallel cache rope (5), all the other edge mesh (7) near top braces rope (3) of metal flexible net (4) are only slidably connected with top braces rope (3) or are slidably connected with top braces rope (3) and top parallel cache rope (5).
2. flexible blocking backstop according to claim 1, it is characterized in that: comprise bottom support rope (8) and bottom parallel cache rope (9), bottom support rope (8) is by end portion supports post (1) and middle part support column (2) tensioning, bottom parallel cache rope (9) is close to and be arranged in parallel with bottom support rope (8), bottom parallel cache rope (9) separates with middle part support column (1) or bottom parallel cache rope (9) is connected with middle part support column (1) by the connector of shape variable or easy fracture, next-door neighbour's middle part support column (2) of metal flexible net (4) or at least one edge mesh (7) of end portion supports post (1) are only slidably connected with bottom parallel cache rope (9), all the other edge mesh (7) near bottom support rope (8) of metal flexible net (4) are only slidably connected with bottom support rope (8) or are slidably connected with bottom support rope (8) and bottom parallel cache rope (9).
3. flexible blocking backstop according to claim 1, it is characterized in that: comprise bottom support rope (8), bottom parallel cache rope (9) and at least three supporting bases (17) arranged that are in line, the supporting base (17) that is positioned at two ends is overhang bracket seat, all the other supporting bases (17) are intermediate support seat, bottom support rope (8) is by supporting base (17) tensioning, bottom parallel cache rope (9) is close to and be arranged in parallel with bottom support rope (8), bottom parallel cache rope (9) is by the tensioning of overhang bracket seat, bottom parallel cache rope (9) is connected with intermediate support seat by the connector of shape variable or easy fracture with the separation of intermediate support seat or bottom parallel cache rope (9), at least one edge mesh (7) of next-door neighbour's intermediate support seat of metal flexible net (4) is only slidably connected with bottom parallel cache rope (9), all the other edge mesh (7) near bottom support rope (8) of metal flexible net (4) are only slidably connected with bottom support rope (8) or are slidably connected with bottom support rope (8) and bottom parallel cache rope (9).
4. according to the flexible blocking backstop described in claims 1 to 3 any one, it is characterized in that: end portion supports post (1), middle part support column (2) and supporting base (17) include supporting mass free to rotate (10), top braces rope (3), bottom support rope (8), top parallel cache rope (5) and bottom parallel cache rope (9) are all by supporting mass (10) tensioning.
5. flexible blocking backstop according to claim 4, it is characterized in that: end portion supports post (1) and middle support column (2) include support column main body (14) and the anchorage (15) with anchor pole (16), support column main body (14) is hinged with anchorage (15).
6. flexible blocking backstop according to claim 5, it is characterized in that: body of clasp (23), crosspoint (21) and free segment (19) that connector comprises fastener (20) and is bent to form by metal wire rod (22), fastener (20) in crosspoint (21) locate according to predetermined load by metal wire rod (22) two parts connect, free segment (19) can move in the time that extraneous load exceedes predetermined load in fastener (20).
7. flexible blocking backstop according to claim 6, is characterized in that: top braces rope (3), bottom support rope (8), top parallel cache rope (5) and bottom parallel cache rope (9) are all directly realized slidably and being connected through the edge mesh (7) of metal flexible net (4).
8. flexible blocking backstop according to claim 6, is characterized in that: top braces rope (3), bottom support rope (8), top parallel cache rope (5) and bottom parallel cache rope (9) are all connected with the edge mesh (7) of metal flexible net (4) by connecting ring (6).
9. flexible blocking backstop according to claim 6, is characterized in that: between adjacent supporting mass (10), be provided with the connecting ring (6) that only top braces rope (3) is connected with top parallel cache rope (5) and only bottom support rope (8) is connected with bottom parallel cache rope (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420356027.XU CN203960760U (en) | 2014-06-30 | 2014-06-30 | Flexible blocking backstop |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420356027.XU CN203960760U (en) | 2014-06-30 | 2014-06-30 | Flexible blocking backstop |
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| CN203960760U true CN203960760U (en) | 2014-11-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104018440A (en) * | 2014-06-30 | 2014-09-03 | 布鲁克（成都）工程有限公司 | Flexible barrier net |
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2014
- 2014-06-30 CN CN201420356027.XU patent/CN203960760U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104018440A (en) * | 2014-06-30 | 2014-09-03 | 布鲁克（成都）工程有限公司 | Flexible barrier net |
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