CN210827067U - Stay rope and stay cable - Google Patents
Stay rope and stay cable Download PDFInfo
- Publication number
- CN210827067U CN210827067U CN201921130007.XU CN201921130007U CN210827067U CN 210827067 U CN210827067 U CN 210827067U CN 201921130007 U CN201921130007 U CN 201921130007U CN 210827067 U CN210827067 U CN 210827067U
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- Prior art keywords
- layer
- anchor
- stay
- stay cable
- cable
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- 239000010410 layer Substances 0.000 claims abstract description 77
- 239000011247 coating layer Substances 0.000 claims abstract description 29
- 238000005253 cladding Methods 0.000 claims abstract description 25
- 239000012792 core layer Substances 0.000 claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 239000011241 protective layer Substances 0.000 claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims description 19
- 238000004873 anchoring Methods 0.000 claims description 17
- 239000000945 filler Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 6
- 238000013016 damping Methods 0.000 claims description 5
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 239000008397 galvanized steel Substances 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 210000002268 wool Anatomy 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000000725 suspension Substances 0.000 abstract description 14
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005034 decoration Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of bridge stay cables, and provides a stay cable rope and a stay cable, wherein the stay cable rope comprises a core layer, a coating layer, a filling layer and an outer protective layer; the core layer comprises a steel strand core and is positioned in the outer protective layer; the cladding layer and the filling layer are positioned between the core layer and the outer protective layer; the utility model discloses in the use, directly bear the main axial tension of stay cable rope by the sandwich layer, by the buffering of atress between sandwich layer and the outer jacket of coating conduct, and to the sandwich layer through the filling layer, the coating, the clearance of outer jacket between each other is filled, the compactness of stay cable rope on overall structure has been ensured, and better tensile strength has, its weight has been reduced simultaneously by a wide margin, thereby applicable being used for decorating the suspension cable, prevent that the stay cable rope from leading to the amount of deflection of suspension cable too big because of the dead weight influence, security and durability when having ensured the suspension cable uses to one side.
Description
Technical Field
The utility model relates to a bridge suspension cable technical field especially relates to a stay cable rope and suspension cable.
Background
At present, a stay cable is one of main stress components of a cable-stayed bridge, and has direct influence on the structural safety and the service life of a cable-stayed structural bridge. The inclined stay cable mainly bears axial tension, one end of the inclined stay cable is connected with the cable tower, and the other end of the inclined stay cable is connected with the bridge deck main beam. The traction is realized by the matching of the plurality of stay cables, so that the horizontal stability of the bridge deck girder is ensured, and larger bearing capacity can be obtained.
In the actual use process, a large number of decorative stay cables are applied to the cable-stayed bridge, and the stay cables are separated from the main body structure of the main bridge of the cable-stayed bridge and only play a role of decoration so as to ensure the attractiveness of the whole structure of the cable-stayed bridge.
However, the existing decorative stay cable is generally formed by twisting steel strands, which is often heavy, and the decorative stay cable is not used as a main load-carrying component of the cable-stayed bridge, and the span of the stay cable is large, so that the stay cable is generally difficult to straighten. Meanwhile, in the process of stressing the stay cable, the deflection of the stay cable is overlarge due to the inevitable influence of the dead weight, so that the safety and the durability of the stay cable are greatly reduced, and on the other hand, the stay cable cannot achieve the corresponding decorative effect and the attractiveness of a bridge structure of the cable-stayed bridge is seriously influenced.
Disclosure of Invention
Technical problem to be solved
One of the objects of the present invention is to provide a stay cable for solving the problem of the existing stay cable for decoration that the deflection of the stay cable is too large due to the self-weight influence, and the safety and durability of the stay cable are greatly reduced.
Another object of the utility model is to provide a suspension cable based on above-mentioned stay cable rope for it is difficult to the flare-out to solve the current suspension cable of decorating usefulness on cable-stay bridge, thereby does not reach corresponding decorative effect, and seriously influences the problem of cable-stay bridge structure's aesthetic property.
(II) technical scheme
In order to solve the above technical problem, the present invention provides, in one aspect, a guy rope, including a core layer, a coating layer, a filling layer, and an outer sheath; the core layer comprises a steel strand core and is positioned in the outer protective layer; the cladding layer and the filling layer are located between the core layer and the outer protective layer.
Preferably, in the present invention, the core layer, the coating layer, the filling layer and the outer sheath are coaxially arranged; the steel strand core is a single-core unbonded steel strand.
Preferably, the coating layer in the utility model comprises a first coating layer and a second coating layer, wherein the first coating layer is formed by twisting a plurality of carbon fiber filling ropes, and the second coating layer is formed by twisting a plurality of galvanized steel wires;
the filling layer is positioned at the inner side or the outer side of the first cladding layer and the second cladding layer.
Preferably, in the present invention, the filling layer includes a first filling layer, a second filling layer and a third filling layer;
the first filler layer is located between the core layer and the first cladding layer, the second filler layer is located between the first cladding layer and the second cladding layer, and the third filler layer is located between the second cladding layer and the outer jacket layer.
Preferably, in the utility model discloses in the material of filling layer is the pearl cotton, the material of outer jacket is polyethylene.
The utility model also provides a stay cable on the other hand, which comprises the stay cable rope, wherein two ends of the stay cable rope are respectively connected with an anchoring device;
the anchoring device comprises an anchor head, an anchor backing plate and an anchoring assembly;
the end part of the pull rope penetrates from the head end of the anchor head and is connected with the anchor head, the anchor backing plate is sleeved on the anchor head, and the anchoring assembly is connected with the anchor backing plate and the tail end of the anchor head.
Preferably, the anchoring assembly of the present invention comprises a washer, a nut, and a stop ring sleeved on the anchor head;
the washer, the nut, the backstop ring is followed the anchor backing plate to the tail end of anchor head arranges in proper order, the nut with the outer wall of anchor head passes through threaded connection, the backstop ring with the anchor backing plate is connected through locking bolt.
Preferably, in the utility model, the anchor backing plate is connected with the protective cover; the protective cover and the anchor head are coaxially arranged, and the tail end of the anchor head is arranged in the protective cover.
Preferably, the anchor head of the utility model is further sleeved with a protective sleeve, one end of the protective sleeve extends to the anchor backing plate, and the other end extends out of the head end of the anchor head and corresponds to the inhaul cable;
the other end of the protective sleeve is connected with a fixed seat, the fixed seat is sleeved on the pull rope, and a damping device is arranged between the fixed seat and the pull rope.
Preferably, the utility model discloses in the other end of protective sheath still overlaps and is equipped with the buckler, the head end suit of buckler is in on the stay rope, and with the stay rope is sealed mutually, the tail end of buckler is equipped with the manger plate limit that the level was arranged.
(III) technical effects
The utility model provides a stay rope, through setting up the sandwich layer, the coating, filling layer and outer jacket, then in the in-service use process, can directly bear the main axial tension of stay rope by the sandwich layer, by the buffering of atress between cladding layer and the outer jacket, and to the sandwich layer through the filling layer, the coating, the clearance between each other of outer jacket is filled, the compactness of stay rope on overall structure has been ensured, and better tensile strength has, its weight has been reduced by a wide margin simultaneously, thereby applicable cable-stay for decorating, prevent that the stay rope from influencing the amount of deflection that leads to the suspension cable because of the dead weight too big, and then greatly reduce the problem of suspension cable security and durability.
Meanwhile, the utility model provides a stay cable, owing to adopt the stay cable rope of above-mentioned structure, when the anchor device of stay cable rope through its both ends carries out the anchor respectively on cable-stayed tower and bridge floor girder, be convenient for straighten the stay cable rope on cable-stayed bridge, effectively prevented the influence that the stay cable caused because of its degree of disturbance is too big to its security and durability of use to still reach the decorative effect to cable-stayed bridge, ensured cable-stayed bridge structure's aesthetic property.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic cross-sectional structure view of a stay rope according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a stay cable according to an embodiment of the present invention.
In the figure: 1-core layer, 2-first filling layer, 3-first coating layer, 4-second filling layer, 5-second coating layer, 6-third filling layer, 7-outer protective layer, 8-stay rope, 9-anchor head, 10-anchor backing plate, 11-gasket, 12-nut, 13-stop ring, 14-locking bolt, 15-protective cover, 16-protective sleeve, 17-fixing seat, 18-vibration damping device, 19-waterproof cover and 20-water retaining edge.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, the present embodiment provides a guy rope, including a core layer 1, a cladding layer, a filling layer, and an outer sheath 7, which are coaxially arranged, where the core layer 1 includes a steel strand core and is located in the outer sheath 7; the cladding layer and the filling layer are positioned between the core layer 1 and the outer protective layer 7.
It can be known from the structure shown in fig. 1 that, through setting up the core layer 1, the coating layer, filling layer and outer jacket 7 of coaxial arrangement, then in the in-service use, can directly bear the main axial tension of stay rope by core layer 1, by the buffering of atress between core layer 1 and the outer jacket 7 of coating layer, and fill the core layer 1 through the filling layer, the coating layer, the mutual clearance of outer jacket 7, the compactness of stay rope on overall structure has been ensured, and have better tensile strength, its weight has been reduced by a wide margin simultaneously, thereby applicable in the suspension cable of decorating usefulness, prevent that the stay rope from leading to the too big problem of the amount of deflection of suspension cable because of the dead weight influence, and then ensured the security and the durability of suspension cable.
Furthermore, in the embodiment, the steel strand core may adopt a single-core unbonded steel strand, wherein the diameter of the unbonded steel strand is 15.2mm, and the standard tensile strength is 1860 MPa.
Further, the coating layer in the embodiment comprises a first coating layer 3 and a second coating layer 5, wherein the first coating layer 3 is formed by twisting eight carbon fiber filling ropes, and the second coating layer 5 is formed by twisting nine galvanized steel wires, wherein the diameter of each galvanized steel wire is 5mm, and the standard tensile strength is 1670 MPa; the filling layers are located inside or outside the first and second coating layers 3 and 5, so that when the filling layers have two or more layers, each filling layer may be disposed between the first and second coating layers 3 and 5, may be disposed outside the first coating layer 3 alone, may be disposed outside the second coating layer 5 alone, and may be disposed on both sides of the first and second coating layers 3 and 5.
Tensile strength of the guy rope can be further enhanced by arranging the first coating layer 3 and the second coating layer 5, and the first coating layer 3 and the second coating layer 5 can buffer axial force applied to the core layer 1 and can also play a good role in protecting the outer protective layer 7.
Further, in order to ensure the compactness of the internal structure of the stay rope and further ensure the durability of the stay rope, the filling layer in the embodiment comprises a first filling layer 2, a second filling layer 4 and a third filling layer 6; first filling layer 2 is located between core 1 and first cladding 3, and second filling layer 4 is located between first cladding 3 and second cladding 5, and third filling layer 6 is located between second cladding 5 and outer jacket 7 to all form the isolation through corresponding filling layer between core 1 and first cladding 3, between first cladding 3 and second cladding 5 and between second cladding 5 and outer jacket 7, and effectively slow the influence of radial atress each other.
Further, in this embodiment, the materials of the first filling layer 2, the second filling layer 4 and the third filling layer 6 are the same and are all pearl wool (EPE), and the material of the outer protection layer 7 is Polyethylene (PE).
Further, referring to fig. 2, based on the improvement of the above embodiment, the present embodiment further provides a stay cable, where the stay cable includes the above-mentioned stay cable 8, two sets of anchoring devices are respectively connected to two ends of the stay cable 8, and the two sets of anchoring devices are oppositely arranged at two ends of the stay cable 8; the anchoring device comprises an anchor head 9, an anchor backing plate 10 and an anchoring component; the end part of the pull rope 8 penetrates from the head end of the anchor head 9 and is connected with the anchor head 9, the anchor backing plate 10 is sleeved on the anchor head 9, and the anchor assembly is connected with the anchor backing plate 10 and the tail end of the anchor head 9.
Specifically, in actual use, the anchor head 9 penetrates through a carrying beam on a cable tower or a bridge deck main beam, the anchor backing plate 10 is fastened on the carrying beam, and since the anchor backing plate 10 is connected with the tail end of the anchor head 9 through the anchoring assembly and the end part of the stay cable 8 is connected with the anchor head 9, the end part of the stay cable 8 is anchored on the carrying beam through the anchoring device correspondingly.
By last knowing, this embodiment the stay cable rope possess light, tensile strength is high, the good characteristics of durability, when being used for the suspension cable with this stay cable rope, the stay cable rope is when carrying out the anchor respectively on pylon and bridge floor girder through the anchor device at its both ends, be convenient for straighten the stay cable rope on the cable-stay bridge, effectively prevented the influence that the suspension cable caused its security and durability of using because of its degree of disturbance is too big, and still reached the decorative effect to the cable-stay bridge, ensured the aesthetic property of cable-stay bridge structure.
Further, the anchoring assembly in this embodiment includes a washer 11, a nut 12, and a stop ring 13, which are sleeved on the anchor head 9; the washer 11, the nut 12 and the stop ring 13 are sequentially arranged from the anchor backing plate 10 to the tail end of the anchor head 9, the nut 12 is in threaded connection with the outer wall of the anchor head 9, and the stop ring 13 is connected with the anchor backing plate 10 through the locking bolt 14.
Specifically, when the anchor backing plate 10 is fastened and connected with the tail end of the anchor head 9 through the anchor assembly, the anchor backing plate 10, the gasket 11, the nut 12 and the stop ring 13 are sequentially attached together, and because the nut 12 is connected with the outer wall of the anchor head 9 through threads, when the inhaul cable 8 is subjected to axial force, the anchor head 9 is not easy to fall off from the carrying beam due to the limiting effect of the nut 12 and the corresponding gasket 11 on the anchor head 9.
Further, since the stop ring 13 is pressed against the nut 12 and connected to the anchor pad 10 by the lock bolt 14, the anchor head 9 is effectively prevented from falling off in the opposite direction to the axial force applied to the cable 8 due to the stop of the stop ring 13 against the nut 12.
Further, in order to ensure the service life of the stay cable and prevent rainwater falling in the air from directly sprinkling on the tail end of the anchor head 9 and corroding the anchor head 9, a protective cover 15 is arranged on the anchor backing plate 10 in the embodiment; the protective cover 15 is arranged coaxially with the anchor head 9, and the tail end of the anchor head 9 is arranged in the protective cover 15.
Further, in order to protect the anchor head 9 and prevent the anchor head 9 from unnecessary abrasion with the carrying beam in the anchoring process, a protecting sleeve 16 is further sleeved on the anchor head 9, one end of the protecting sleeve 16 extends to the anchor backing plate 10, and the other end of the protecting sleeve extends out of the head end of the anchor head 9 and corresponds to the pull rope 8; the other end of the protective sleeve 16 is connected with a fixed seat 17, the fixed seat 17 is sleeved on the inhaul cable rope 8, and a damping device 18 is arranged between the fixed seat 17 and the inhaul cable rope 8, wherein the damping device 18 can adopt a rubber sleeve sleeved between the fixed seat 17 and the inhaul cable rope 8, the deflection of the inhaul cable rope 8 can be relieved through the rubber sleeve, the direct stress of the end part of the fixed seat 17 to the inhaul cable rope 8 is buffered, and the service life of the inhaul cable rope is ensured.
Further, the other end of the protection sleeve 16 in this embodiment is further sheathed with a waterproof cover 19, the head end of the waterproof cover 19 is sheathed on the stay rope 8 and is sealed with the stay rope 8, the tail end of the waterproof cover 19 is provided with a water retaining edge 20 which is horizontally arranged, so that rainwater can be prevented from entering the anchor head 9 along the stay rope 8 through the waterproof cover 19, erosion is caused to the anchor head 9, the water retaining edge 20 which is horizontally arranged can further stop the downstream rainwater, the anchor head 9 is protected again, and the service life of the stay rope is ensured.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A stay rope is characterized by comprising a core layer, a coating layer, a filling layer and an outer protective layer; the core layer comprises a steel strand core and is positioned in the outer protective layer;
the cladding layer and the filling layer are positioned between the core layer and the outer protective layer;
the coating includes first coating and second coating, first coating is twisted by many carbon fiber filling rope and is formed, the second coating is twisted by many galvanized steel wire and forms.
2. The inhaul cable of claim 1, wherein the core layer, the cladding layer, the filler layer, and the outer jacket are coaxially arranged; the steel strand core is a single-core unbonded steel strand.
3. The inhaul cable of claim 1, wherein the filler layer is located inside or outside the first and second coating layers.
4. The lanyard of claim 3 wherein the filler layers comprise a first filler layer, a second filler layer, and a third filler layer;
the first filler layer is located between the core layer and the first cladding layer, the second filler layer is located between the first cladding layer and the second cladding layer, and the third filler layer is located between the second cladding layer and the outer jacket layer.
5. The pull cord of claim 4, wherein the filler layer is of a material selected from the group consisting of pearl wool and the outer jacket is of a material selected from the group consisting of polyethylene.
6. A stay cable, characterized in that, comprising the stay cable of any one of claims 1 to 5, both ends of the stay cable are respectively connected with an anchoring device;
the anchoring device comprises an anchor head, an anchor backing plate and an anchoring assembly;
the end part of the pull rope penetrates from the head end of the anchor head and is connected with the anchor head, the anchor backing plate is sleeved on the anchor head, and the anchoring assembly is connected with the anchor backing plate and the tail end of the anchor head.
7. The stay cable of claim 6 wherein the anchor assembly comprises a washer, a nut, a stop ring sleeved over the anchor head;
the washer, the nut, the backstop ring is followed the anchor backing plate to the tail end of anchor head arranges in proper order, the nut with the outer wall of anchor head passes through threaded connection, the backstop ring with the anchor backing plate is connected through locking bolt.
8. The stay cable of claim 6 wherein said anchor pad is attached to a protective covering; the protective cover and the anchor head are coaxially arranged, and the tail end of the anchor head is arranged in the protective cover.
9. The stay cable of claim 6 wherein the anchor head is further sleeved with a protective sleeve, one end of the protective sleeve extends to the anchor backing plate, and the other end of the protective sleeve extends out of the head end of the anchor head and corresponds to the stay cable;
the other end of the protective sleeve is connected with a fixed seat, the fixed seat is sleeved on the pull rope, and a damping device is arranged between the fixed seat and the pull rope.
10. The stay cable according to claim 9, wherein a waterproof cover is further sleeved on the other end of the protective sleeve, the head end of the waterproof cover is sleeved on the stay cable and sealed with the stay cable, and the tail end of the waterproof cover is provided with a horizontally arranged water blocking edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921130007.XU CN210827067U (en) | 2019-07-18 | 2019-07-18 | Stay rope and stay cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921130007.XU CN210827067U (en) | 2019-07-18 | 2019-07-18 | Stay rope and stay cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210827067U true CN210827067U (en) | 2020-06-23 |
Family
ID=71259248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921130007.XU Expired - Fee Related CN210827067U (en) | 2019-07-18 | 2019-07-18 | Stay rope and stay cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210827067U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112176994A (en) * | 2020-08-22 | 2021-01-05 | 浙江华东工程咨询有限公司 | Prestressed anchor cable structure suitable for broken rock mass and construction method thereof |
-
2019
- 2019-07-18 CN CN201921130007.XU patent/CN210827067U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112176994A (en) * | 2020-08-22 | 2021-01-05 | 浙江华东工程咨询有限公司 | Prestressed anchor cable structure suitable for broken rock mass and construction method thereof |
| CN112176994B (en) * | 2020-08-22 | 2021-09-28 | 浙江华东工程咨询有限公司 | Construction method of prestressed anchor cable structure suitable for broken rock mass |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200623 |