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CN202543801U - Stainless steel tensioning suspension cable device for bridge - Google Patents

Stainless steel tensioning suspension cable device for bridge Download PDF

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Publication number
CN202543801U
CN202543801U CN2011204407930U CN201120440793U CN202543801U CN 202543801 U CN202543801 U CN 202543801U CN 2011204407930 U CN2011204407930 U CN 2011204407930U CN 201120440793 U CN201120440793 U CN 201120440793U CN 202543801 U CN202543801 U CN 202543801U
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China
Prior art keywords
anchor
stainless steel
sling device
bridge
pulling
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Expired - Lifetime
Application number
CN2011204407930U
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Chinese (zh)
Inventor
张劲泉
李承昌
王辉绵
李建民
张江威
陈敏
郑晓华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BEIJING GONGKE BRIDGE TECHNOLOGY Co Ltd
Research Institute of Highway Ministry of Transport
Shanxi Taigang Stainless Steel Co Ltd
Original Assignee
BEIJING GONGKE BRIDGE TECHNOLOGY Co Ltd
Research Institute of Highway Ministry of Transport
Shanxi Taigang Stainless Steel Co Ltd
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Application filed by BEIJING GONGKE BRIDGE TECHNOLOGY Co Ltd, Research Institute of Highway Ministry of Transport, Shanxi Taigang Stainless Steel Co Ltd filed Critical BEIJING GONGKE BRIDGE TECHNOLOGY Co Ltd
Priority to CN2011204407930U priority Critical patent/CN202543801U/en
Application granted granted Critical
Publication of CN202543801U publication Critical patent/CN202543801U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model discloses a stainless steel tensioning suspension cable device for a bridge. The stainless steel tensioning suspension cable device is disposed on a tensioning suspension cable bridge, and comprises: tensioning cables for bearing tensioning force, and formed by assembly of stainless steel wires; a fixed end anchorage device and a tensioning end anchorage device respectively used for cooperation for anchoring the tensioning cables and transmission of cable force; and a protective member connected between the fixed end anchorage device and the tensioning end anchorage device, and used for protecting the parts, which are exposed out of the anchorage devices, of the tensioning cables. The stainless steel tensioning suspension cable device for the bridge is provided with good anti-rust, corrosion resistant, and wear resistant performances, and longer service lifetime.

Description

A kind of bridge draws the hoist cable device with stainless steel
Technical field
The utility model relates to a kind of hoist cable device that draws, and especially relates to a kind of bridge and draws the hoist cable device with stainless steel.
Background technology
Bridge is obstructions such as leap deep mountain valleys, great river, great river, bays such as highway, railway, channel and space building with supporting capacity, is the unimpeded guarantee of route, also is the throat of communications and transportation.Wherein, large span is drawn many advantages such as the hoist cable bridge is handsome in appearance with it, span ability is big, has obtained extensively, uses fast and has developed.
Draw hoist cable as the main supporting member that draws the hoist cable bridge, section is very very thin, and this just makes it become member the most responsive to disease in this type bridge system, and in the cable stayed bridge disease of finding up to now, the disease that appears at drag-line has accounted for the overwhelming majority.In recent years, there have been many bridge blocks seriously to have to change both at home and abroad, caused enormous economic loss and disadvantageous social influence because of drawing the hoist cable disease.Tracing it to its cause, mainly is to stride the footpath greatly to draw the hoist cable of hoist cable bridge to be processed by high-strength carbon steel wire, though taked various anti-corrosion measures, draws hoist cable corrosion problem not to be solved.A series of measures of being taked in the engineering at present around how preventing that rope and ground tackle from not carried out by corrosion, though obtained certain effect, fundamentally do not address this problem basically.
And as shown in Figure 1, the hoist cable device 10 that draws of the prior art includes: the drag-line that is made up of high-tensile steel wires; The anchor cup 11 and the anchor slab that are used for the said drag-line of anchoring; Be set in the anchor circle 13 of the outside of said anchor cup 11; Cover plate 14 is arranged on one of them end of said anchor cup.In addition,, thereby avoid the excessive corrosion that drag-line receives external environment, also be disposed with at the other end of anchor cup 11: connecting cylinder 15 and PE noose 16 for the drag-line outside the anchor cup is exposed in effective protection.Meanwhile, in order to realize good sealing function between each member and the relation of being connected, also need the extra parts such as centering ring, location-plate, O-ring seal 17, seal joint 18 that are provided with.This shows that traditional structure of drawing the hoist cable device is comparatively complicated, parts are too much, and annexation is loaded down with trivial details, is unfavorable for engineering maintenance.
Therefore, how studying and a kind ofly effectively and can thoroughly solve the hoist cable that draws that draws hoist cable corrosion disease and can simplify its overall structure simultaneously, is the problem that those skilled in the art need solution badly.
The utility model content
The technical problem that the utility model will solve be to provide a kind of can rust-proofing, anti-corrosion and wear-resisting bridge draws the hoist cable device with stainless steel, possesses higher application life to guarantee it.
For realizing above-mentioned purpose, the utility model provides a kind of bridge to draw the hoist cable device with stainless steel, is arranged on to draw on the hoist cable bridge, and the said hoist cable device that draws comprises: be used to bear the drag-line of pulling force, said drag-line is formed by the set of stainless steel steel wire; Fixed end ground tackle and stretch-draw end ground tackle are respectively applied for the cooperation said drag-line of anchoring and transmit Suo Li; And protector, be connected between said fixed end ground tackle and the stretch-draw end ground tackle, be used to protect said drag-line and expose the part outside said ground tackle.
Further, said stretch-draw end ground tackle and fixed end ground tackle comprise respectively: the anchor cup that is used to hold said drag-line; Anchor slab is embedded in the inside of said anchor cup, is evenly equipped with the hole that the stainless steel steel wire of the said drag-line of a plurality of confessions passes on the said anchor slab; And the anchor circle, be set in the peripheral part of said anchor cup, be used for fastening said anchor cup.
Further, said fixed end ground tackle also comprises: backing plate is arranged on the peripheral part of said anchor cup with said anchor circle with matching.
Further, said backing plate comprises: be arranged in two semi-circular of periphery of anchor cup with predetermined gap, the shape of said semi-circular outline and said anchor circle is complementary.
Further, the said protector casing dead bolt that comprises the stainless steel casing and be used for said casing is fixed in drag-line.
Further, the scope of said stainless steel gauge of wire is 4mm~7mm; Tensile strength is not less than 1200Mpa; Modulus of elasticity is (2.0 ± 0.1) * 105MPa.
Further, said stainless steel steel wire is that nitrogen content is about 0.6% high-nitrogen austenitic stainless steel steel wire.
Further, the thickness of said anchor cup is about 25mm, and the pitch-row in said hole is not less than 12mm.
Further, place, said anchor cup end also is provided with the seal cover board that is used to seal.
Further, said anchor cup and anchor circle are stainless steel anchor cup and stainless steel anchor circle.
Bridge according to the utility model draws the hoist cable device with stainless steel, not only can satisfy bridge and draw the hoist cable device to the high-intensity requirement of steel wire, and simultaneously the stainless steel steel wire also has rust quality, corrosion-resistant and wear-resisting excellent properties.Meanwhile; Because the good anti-corrosion effect of rust-proofing of stainless steel steel wire; Can effectively save and set up PE noose, various potted component and setting element in the prior art, reduce financial cost effectively to prevent that steel wire from by the step of external world's corrosion, having improved original loaded down with trivial details structure of hoist cable device of drawing greatly; On engineering, be beneficial to more and safeguard and maintenance to possess extensive applicability.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is elaborated.Wherein:
Fig. 1 is the structural representation that draws the hoist cable device of the prior art;
Fig. 2 is the structural representation that draws the hoist cable device according to a kind of embodiment of the utility model;
Fig. 3 a, 3b are the front view and the A-A sectional view of stretch-draw end anchor cup and anchor slab among Fig. 2;
Fig. 4 a, 4b are the front view and the B-B sectional view of fixed end anchor cup and anchor slab among Fig. 2;
Fig. 5 a, 5b are the front view and the C-C sectional view of anchor circle among Fig. 2; And
Fig. 6 a, 6b are the front view and the lateral view of backing plate among Fig. 2.
The specific embodiment
Below, through exemplary embodiment the utility model is specifically described.Yet should be appreciated that under the situation that is not having further narration element, structure and characteristic in embodiment also can be attached in other embodiment valuably.
Referring to Fig. 2, the bridge that shows according to a kind of embodiment of the utility model draws hoist cable device 20 with stainless steel, is arranged on and draws on the hoist cable bridge.Specifically, draw hoist cable device 20 to comprise: be used to bear the drag-line of pulling force, drag-line is formed by the set of stainless steel steel wire; Stretch-draw end ground tackle 21, fixed end ground tackle 22 are respectively applied for cooperation and are anchored at two ends of drag-line, and be used to transmit the Suo Li of drag-line; And protector 23, be connected between fixed end ground tackle 22 and the stretch-draw end ground tackle 21, be used for protective rope and expose the part outside ground tackle.Because drag-line is in assembling during ground tackle, must be with the polyvinyl overcoat of the drag-line certain-length of pruning, the one section drag-line steel wire that therefore exposes the anchor cup outside will need use protector 23 to protect.In addition, protector for reducing drag-line steel wire dynamic-load stress amplitude in the anchor cup, improves the fatigue performance of ground tackle except the effect with protection, and the dynamic load that acts on drag-line steel wire in the anchor cup need be alleviated during through protector at drag-line.This moment, protector can be used as a kind of stressed member again.
Shown in Fig. 3 a, 3b and Fig. 4 a, 4b, stretch-draw end ground tackle 21 and fixed end ground tackle 22 are respectively applied for two ends of anchoring drag-line.Wherein, stretch-draw end ground tackle 21 comprises: the anchor cup 211 that is used to hold drag-line; Anchor slab 215 is embedded in the inside of anchor cup 211, be evenly equipped with on the anchor slab 215 hole 215a that the stainless steel steel wire of a plurality of confession drag-lines passes; And anchor circle 212 (referring to Fig. 5 a and Fig. 5 b), be set in the peripheral part of anchor cup 211, be used for securing attachments cup 211.In like manner, fixed end ground tackle 22 comprises: the anchor cup 221 that is used to hold drag-line; Anchor slab 225 is embedded in the inside of anchor cup 221, is evenly equipped with the hole 225a that the stainless steel steel wire of a plurality of confession drag-lines passes on the anchor slab 225; And anchor circle 222, be set in the peripheral part of anchor cup 221, be used for securing attachments cup 221.Be worth being, fixed end ground tackle 22 also comprises with pointing out: backing plate 223 is arranged on the peripheral part of anchor cup 221 with anchor circle 222 with matching.
Be preferably, shown in Fig. 6 a, 6b, backing plate 223 comprises: be arranged in two semi-circular 223a, the 223b of the periphery of anchor cup with predetermined gap, the outline of a wherein semi-circular 223a, 223b and the shape of anchor circle 222 are complementary.Should be understood that; Because semi-circular special construction makes to have predetermined gap between backing plate, anchor circle and the anchor cup, can play the quick purpose of discharging of the ponding that makes anchor cup place effectively; Minimizing is to the corrosion of ground tackle surfacing, thereby makes that the life-span of ground tackle is longer.
Preferably, the protector 23 casing dead bolt 232 that comprises stainless steel casing 231 and be used for stainless steel casing 231 is fixed in drag-line.Owing to, also can further play the effect of rust-proofing, corrosion protection through adopting the casing of stainless steel material.
Repeatedly research and test according to the inventor draw, and the performance indications of the stainless steel steel wire of the utility model are when descending train value, its rust-proofing, corrosion protection and wear-resisting best results.Specifically, the scope of stainless steel gauge of wire is 4mm~7mm; Tensile strength is not less than 1200Mpa; Modulus of elasticity is (2.0 ± 0.1) * 105MPa.More preferably be that the stainless steel steel wire can adopt nitrogen content to be about 0.6% high-nitrogen austenitic stainless steel steel wire.In process, be alternatively, the thickness of anchor cup 211,221 is about 25mm, and the pitch-row of hole 215a, 225a is not less than 12mm.The place, an end of anchor cup 211,221 also is provided with the seal cover board 214 that is used to seal.In like manner, for the rust-proofing, corrosion protection and the wear-resisting effect that guarantee to draw the hoist cable device whole, anchor cup 211,221 and anchor circle 212,222 also can be selected stainless steel material for use.
In the utility model, because nitrogen as austenitic alloying element in the stabilized steel, has the ability of very strong expansion austenitic area, approximately be 18-30 times of nickel, replace nickel with a spot of nitrogen, can economize on resources reduces cost.In addition; Solid solution nitrogen can improve the intensity and the plasticity of steel simultaneously; The tensile strength sigma b maximum of present high nitrogen high-alloy steel can reach 3600MPa, is the highest alloy of intensity up to now, and nitrogen content has higher comprehensive mechanical property and decay resistance at the austenitic stainless steel of 0.35-0.7%.Meanwhile, nitrogen alloying also can significantly improve the performance of local corrosions such as the anti-spot corrosion of stainless steel, crevice corrosion, intercrystalline corrosion.In austenitic steel,, nitrogen content also can significantly improve stainless corrosion resistance even being merely 0.06%.The experimental result of spot corrosion equivalent shows that the equivalent value of nitrogen is 20, that is to say that 1% nitrogen is resisted the stainless steel that corrosive power is equivalent to contain 20%Cr.
In sum, adopt high nitrogen stainless steel to replace traditional steel, can economize on resources and reduce environmental pressure.It is about 0.6% high-nitrogen austenitic stainless steel TQS-1 that the utility model uses nitrogen content, is processed into to be used for bridge behind wire rod and the steel wire and to draw the hoist cable material, can replace the coating epoxy resin zinc-coated wire of use at present.Draw hoist cable that steel wire in the high-intensity requirement, has been realized erosion-resisting purpose satisfying bridge, strengthened the bulk life time that draws the hoist cable device.On the other hand; Because the good anti-corrosion effect of rust-proofing of stainless steel steel wire; Can effectively save and set up PE noose, various potted component and setting element in the prior art, reduce financial cost effectively to prevent that steel wire from by the step of external world's corrosion, having improved original loaded down with trivial details structure of hoist cable device of drawing greatly; On engineering, be beneficial to more and safeguard and maintenance to possess extensive applicability.
Be appreciated that the utility model describes through some embodiment, those skilled in the art know, under the situation of spirit that does not break away from the utility model and scope, can carry out various changes or equivalence replacement to these characteristics and embodiment.In addition, under the instruction of the utility model, can make amendment to these characteristics and embodiment not to break away from the spirit and the scope of the utility model to adapt to concrete situation and material.Therefore, the utility model does not receive the restriction of specific embodiment disclosed herein, and all fall into the protection domain that embodiment in the application's the claim scope belongs to the utility model.

Claims (10)

1.一种桥梁用不锈钢拉吊索装置(20),设置在拉吊索桥梁上,其特征在于,所述拉吊索装置(20)包括:1. a stainless steel pull sling device (20) for a bridge is arranged on the pull sling bridge, it is characterized in that, the described pull sling device (20) comprises: 用于承受拉力的拉索,所述拉索由不锈钢钢丝集合而成;A cable for bearing tension, the cable is made of stainless steel wires; 用于传递拉索的索力的张拉端锚具(21)和固定端锚具(22),分别配合锚固在所述拉索的两个端部;以及The tension end anchorage (21) and the fixed end anchorage (22) for transmitting the cable force of the stay cable are matched and anchored at the two ends of the stay cable respectively; and 用于防护所述拉索裸露在所述锚具外部分的防护件(23),连接在所述固定端锚具(22)和张拉端锚具(21)之间。The protective piece (23) for protecting the exposed part of the stay cable at the outer part of the anchor is connected between the fixed-end anchor (22) and the tension-end anchor (21). 2.根据权利要求1所述的拉吊索装置(20),其特征在于,所述张拉端锚具(21)和固定端锚具(22)分别包括:2. The pull sling device (20) according to claim 1, characterized in that, the tension end anchor (21) and the fixed end anchor (22) respectively comprise: 用于容纳所述拉索的锚杯(211、221);Anchor cups (211, 221) for accommodating said stay cables; 锚板(215、225),嵌设在所述锚杯(211、221)的内部,所述锚板(215、225)之上均布有多个供所述拉索的不锈钢钢丝穿过的孔(215a、225a);以及Anchor plates (215, 225) are embedded inside the anchor cups (211, 221), and a plurality of stainless steel wires of the pull cables are evenly distributed on the anchor plates (215, 225). holes (215a, 225a); and 用于紧固所述锚杯(211、221)的锚圈(212、222),套设在所述锚杯(211、221)的外周部。The anchor rings (212, 222) for fastening the anchor cups (211, 221) are sheathed on the outer circumference of the anchor cups (211, 221). 3.根据权利要求2所述的拉吊索装置(20),其特征在于,所述固定端锚具(22)还包括:垫板(223),与所述锚圈(222)相配合地设置在所述锚杯(221)的外周部。3. The pulling and sling device (20) according to claim 2, characterized in that, the fixed-end anchor (22) further comprises: a backing plate (223), which cooperates with the anchor ring (222) It is arranged on the outer periphery of the anchor cup (221). 4.根据权利要求3所述的拉吊索装置(20),其特征在于,所述垫板(223)包括:以预定间隙布置在锚杯(221)的外周的两个半环形件(223a、223b),所述半环形件(223a、223b)的外轮廓与所述锚圈(222)的形状相匹配。4. The pulling and sling device (20) according to claim 3, characterized in that, the backing plate (223) comprises: two half-rings (223a) arranged on the outer periphery of the anchor cup (221) with a predetermined gap , 223b), the outer contour of the half ring (223a, 223b) matches the shape of the anchor ring (222). 5.根据权利要求1所述的拉吊索装置(20),其特征在于,所述防护件(23)包括不锈钢护筒(231)、以及用于将所述不锈钢护筒(231)固定于拉索的护筒固定栓(232)。5. The pulling sling device (20) according to claim 1, characterized in that, the protective piece (23) comprises a stainless steel casing (231), and is used to fix the stainless steel casing (231) to Casing retainer for guy wire (232). 6.根据权利要求1所述的拉吊索装置(20),其特征在于,所述不锈钢钢丝的直径的范围为4mm~7mm;抗拉强度不低于1200Mpa;弹性模量为(2.0±0.1)×105MPa。6. The pulling sling device (20) according to claim 1, characterized in that, the diameter of the stainless steel wire ranges from 4mm to 7mm; the tensile strength is not less than 1200Mpa; the modulus of elasticity is (2.0 ± 0.1 )×105MPa. 7.根据权利要求1或6所述的拉吊索装置(20),其特征在于,所述不锈钢钢丝为氮含量约为0.6%的高氮奥氏体不锈钢钢丝。7. The pull and sling device (20) according to claim 1 or 6, characterized in that the stainless steel wire is a high-nitrogen austenitic stainless steel wire with a nitrogen content of about 0.6%. 8.根据权利要求2所述的拉吊索装置(20),其特征在于,所述锚杯(211、221)的厚度约为25mm,所述孔(215a、225a)的孔距不小于12mm。8. The pulling and sling device (20) according to claim 2, characterized in that, the thickness of the anchor cup (211, 221) is about 25mm, and the hole distance of the holes (215a, 225a) is not less than 12mm . 9.根据权利要求2所述的拉吊索装置(20),其特征在于,所述锚杯(211、221)的一个端部处还设置有用于密封的密封盖板(214)。9. The pulling sling device (20) according to claim 2, characterized in that, a sealing cover plate (214) for sealing is also provided at one end of the anchor cup (211, 221). 10.根据权利要求2所述的拉吊索装置(20),其特征在于,所述锚杯(211、221)和锚圈(212、222)为不锈钢锚杯和不锈钢锚圈。10. The pulling and sling device (20) according to claim 2, characterized in that, the anchor cups (211, 221) and anchor rings (212, 222) are stainless steel anchor cups and stainless steel anchor rings.
CN2011204407930U 2011-11-08 2011-11-08 Stainless steel tensioning suspension cable device for bridge Expired - Lifetime CN202543801U (en)

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Application Number Priority Date Filing Date Title
CN2011204407930U CN202543801U (en) 2011-11-08 2011-11-08 Stainless steel tensioning suspension cable device for bridge

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Application Number Priority Date Filing Date Title
CN2011204407930U CN202543801U (en) 2011-11-08 2011-11-08 Stainless steel tensioning suspension cable device for bridge

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103088754A (en) * 2011-11-08 2013-05-08 交通运输部公路科学研究所 Stainless steel pulling cable device for bridge
CN103174092A (en) * 2013-03-07 2013-06-26 江苏法尔胜缆索有限公司 Inhaul cable structure capable of being filled with dry air and realizing method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103088754A (en) * 2011-11-08 2013-05-08 交通运输部公路科学研究所 Stainless steel pulling cable device for bridge
CN103174092A (en) * 2013-03-07 2013-06-26 江苏法尔胜缆索有限公司 Inhaul cable structure capable of being filled with dry air and realizing method thereof
CN103174092B (en) * 2013-03-07 2015-02-18 江苏法尔胜缆索有限公司 Inhaul cable structure capable of being filled with dry air and realizing method thereof

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Granted publication date: 20121121

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