CN107401119B - Large-expansion-amount inhaul cable - Google Patents
Large-expansion-amount inhaul cable Download PDFInfo
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- CN107401119B CN107401119B CN201710656468.XA CN201710656468A CN107401119B CN 107401119 B CN107401119 B CN 107401119B CN 201710656468 A CN201710656468 A CN 201710656468A CN 107401119 B CN107401119 B CN 107401119B
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- telescopic
- anchor
- backing plate
- cable
- expansion
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables
Abstract
A large-expansion-amount inhaul cable comprises an inhaul cable body, two anchoring assemblies positioned at two ends of the inhaul cable body and an expansion guide device consisting of a base plate, an expansion member and a guide member, wherein the expansion member is a disc spring group or a common compression spring; the guide member is a telescopic piece which is positioned inside or outside the telescopic member and plays a role of guiding, and comprises a cylinder with a flange at one end or two flange cylinders which are mutually nested; under the installation state, flexible guider installs between anchor nut and the anchor backing plate of anchor subassembly, and the backing plate is close to anchor nut one side, and the guide member is installed either inside the flexible component or outside the flexible component, and one end is connected with the backing plate, and the other end is connected with the anchor backing plate, and the cable passes guide member or flexible component and is anchored on the backing plate by the anchor nut of anchor subassembly. The large-expansion stay cable can meet the design requirement of cable force and also can meet the design requirement and has larger expansion deformation; the stable, safe and reliable state of the bridge and the building structure is ensured.
Description
Technical Field
The invention relates to a guy cable for bridges and buildings, in particular to a guy cable with large telescopic quantity.
Background
The common inhaul cable has larger elastic modulus and smaller deformation under a tension state, and particularly the short cable has smaller tensile deformation; with the continuous innovation of the structural form of bridges and buildings, the bridges and the buildings require large stretching deformation amount for the guy cables, and the stretching amount of the guy cables is several times or even dozens of times of that of the common guy cables; the use requirements of the large-stretching-amount guy cable cannot be met only by the stretching amount of the common guy cable, so that the large-stretching-amount guy cable for bridges and buildings with large stretching amount is urgently needed.
Disclosure of Invention
The invention aims to provide a large-expansion stay cable for bridges or buildings, which can meet the design requirement of cable force and has larger expansion deformation according to the design requirement; the performance of large expansion deformation of the inhaul cable ensures that the inhaul cable cannot be broken due to overlarge stress when the relative deformation displacement of the beam bodies at the two ends of the inhaul cable is large, and the inhaul cable is separated from the beam bodies due to small stress when the relative deformation displacement of the beam bodies at the two ends is small, thereby ensuring the stable state, safety and reliability of the bridge and building structure.
The technical scheme for solving the problems is as follows: a large-telescopic-amount inhaul cable comprises an inhaul cable body and two anchoring assemblies positioned at two ends of the inhaul cable body, wherein one end or two ends of the large-telescopic-amount inhaul cable further comprise a telescopic guide device, and the telescopic guide device comprises a base plate, a telescopic member and a guide member;
the backing plate has the same structure as an anchor backing plate of the inhaul cable, and a through hole matched with the anchorage device is formed in the middle of the backing plate;
the telescopic member is a disc spring group or a common compression spring;
the guide member is a telescopic piece which is positioned inside or outside the telescopic member and plays a role in guiding, and comprises a cylinder with a flange at one end or two flange cylinders which are mutually nested;
under the installation state, flexible guider installs between the anchor nut and the anchor backing plate of anchor subassembly, and the backing plate is close to anchor nut one side, and the guide member is installed either inside flexible component or outside the flexible component, and one end is connected with the backing plate, and the other end is connected with the anchor backing plate, and the cable passes guide member or flexible component by the anchor nut anchor of anchor subassembly on the backing plate.
The further technical scheme is as follows: the telescopic member is a disc spring group which is formed by combining m multiplied by n disc spring groups, the combination mode is that every m disc spring groups are overlapped into a group to form n groups of combination, and the value ranges of m and n are as follows: m is more than or equal to 1 and less than or equal to 10,1 and less than or equal to 50.
The further technical scheme is as follows: the guide member is a cylinder with a flange at one end or a cylinder with an inward flange at one end, the cylinder with the flange at one end is sleeved in the inner cavity of the telescopic member, and the cylinder with the inward flange at one end is sleeved on the outer wall of the telescopic member.
The further technical scheme is as follows: the guide member is two flange cylinders which are mutually nested, and the guide member is sleeved in the inner cavity or the outer wall of the telescopic member.
Due to the adoption of the technical scheme, the large-telescopic-amount inhaul cable has the following characteristics and beneficial effects:
1. realized when the relative deformation displacement of cable both ends roof beam body is great, the cable does not take place to overload or break away from the not atress condition, and the cable installation, change convenience:
one end or two ends of the large-telescopic-quantity inhaul cable also comprise a telescopic guide device, and the telescopic guide device comprises a base plate, a telescopic member and a guide member; the telescopic member comprises a disc spring group or a common compression spring and has larger telescopic amount, so that the inhaul cable is not overloaded or separated from the situation of no stress when the beam bodies at the two ends of the inhaul cable are relatively deformed and displaced, and the inhaul cable is convenient to install and replace.
2. Through the selection of the telescopic members, including the selection of the superposition number and the involutory combination number of the configured disc spring groups or the elastic force of the common compression spring, various combinations suitable for the tension value of the inhaul cable and the deformation displacement of the inhaul cable can be configured, and the requirements of various tension values and adjustable deformation of the inhaul cable are met.
3. The guide member of the telescopic guide device can effectively prevent the disc spring group from deflecting, dislocation failure and the compression spring from deflecting, ensure the free expansion of the disc spring group or the compression spring, and is safe and reliable.
The technical features of the large-expansion-amount cable according to the present invention will be further described with reference to the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic view of the overall structure of a large-expansion-amount cable according to an embodiment of the present invention (both ends have expansion guides);
FIG. 2 is a second schematic view of the overall structure of a cable with large amount of extension (one end having an extension guiding device) according to a first embodiment of the present invention;
FIG. 3 is a schematic view of a guiding member of a telescopic guiding device for a large-telescopic-amount cable according to an embodiment of the present invention;
FIG. 4-1 is a schematic view of an overall structure of a cable with a large amount of expansion according to a second embodiment of the present invention;
FIG. 4-2 is a schematic view of a guiding member of a telescopic guiding device of a cable with large telescopic amount according to a second embodiment of the present invention;
FIG. 5-1 is a schematic view of the overall structure of a large-expansion-amount cable according to a third embodiment of the present invention;
FIGS. 5-2 to 5-3 are schematic views of the guiding member structure of the telescopic guiding device of the cable with three large telescopic amounts according to the embodiment of the present invention;
FIG. 5-2: front sectional view, fig. 5-3: a three-dimensional axial sectional view;
FIG. 6-1 is a schematic view of the overall structure of a large-expansion stay cable according to a fourth embodiment of the present invention;
FIGS. 6-2 to 6-3 are schematic views of the guiding member structure of the telescopic guiding device of the four cables with large telescopic amount according to the embodiment of the present invention;
FIG. 6-2: front sectional view, fig. 6-3: a three-dimensional axial sectional view;
FIG. 7-1 is a schematic view of the overall structure of a cable with a large amount of expansion according to the fifth embodiment of the present invention;
FIG. 7-2 is a schematic view of a structure of a common compression spring for the telescopic member of the telescopic guiding device of the cable with five large telescopic amounts according to the embodiment of the present invention;
FIG. 8: the general cable structure schematic diagram (cross section).
In the figure:
1-stay cable anchorage, 2-nut, 3-backing plate;
41-disc spring group, 42-common compression spring;
51. 52-a cylinder with a flange at one end, 53, 54-two flange cylinders nested into each other;
6-anchor backing plate, 7-embedded pipe, 8-spiral rib, 9-inhaul cable body, 10-beam body, 11-fork ear end inhaul cable anchorage and 12-fork ear assembly.
Detailed Description
A large-telescopic-amount inhaul cable comprises an inhaul cable body 9 and two anchoring assemblies positioned at two ends of the inhaul cable body 9, wherein one end or two ends of the large-telescopic-amount inhaul cable further comprise a telescopic guide device, and the telescopic guide device comprises a base plate 3, a telescopic member and a guide member;
the backing plate 3 has the same structure as the anchor backing plate 6 of the inhaul cable, and a through hole matched with the anchor is arranged in the middle;
the telescopic component is a disc spring group 41 or a common compression spring 42;
the guiding component is a telescopic piece which is positioned inside or outside the telescopic component and plays a guiding role, and comprises a cylinder with a flange at one end or two flange cylinders 52 which are nested with each other;
under the installation state, flexible guider installs between anchor nut 2 and the anchor backing plate 6 of anchor subassembly, and backing plate 3 is close to anchor nut 2 one side, and the guide member is installed either inside the flexible component or outside the flexible component, and one end is connected with backing plate 3, and the other end is connected with anchor backing plate 6, and the cable passes guide member or flexible component, is anchored on backing plate 3 by anchor nut 2 of anchor subassembly.
Depending on the structure of the telescopic member and the guide member, there are various embodiments:
the first embodiment is as follows:
a large-expansion-amount inhaul cable is shown in figure 1 and comprises an inhaul cable body 9 and two anchoring assemblies positioned at two ends of the inhaul cable body 9, wherein each anchoring assembly comprises an inhaul cable anchorage device 1, a nut 2, an anchor backing plate 6, a pre-embedded pipe 7 and a spiral rib 8, two ends of the large-expansion-amount inhaul cable respectively comprise an expansion guide device, each expansion guide device comprises a backing plate 3, an expansion member and a guide member, and the position of each expansion guide device is positioned between the anchor nut 2 and the anchor backing plate 6;
the telescopic member is a disc spring group 41, the disc spring group 41 is a disc spring group formed by combining m × n disc spring sheets, the combination mode is that every m disc spring sheets are overlapped into a group to form n groups of combination, in the embodiment, m is equal to 3,n is equal to 9;
the guide member is a cylinder 51 (see fig. 3) with a flange at one end;
in the installation state, the telescopic guide device is arranged between the anchoring nut 2 and the anchoring backing plate 6 of the anchoring component,
a guide member of a cylinder 51 having a flange at one end is installed inside the disc spring group 41 as a telescopic member, and a cable is passed through the guide member to be anchored on the pad 3 by the anchor nut 2 of the anchor assembly.
As a variation of the embodiment of the present invention, the cable may have only one end with a telescopic guide and the other end without a telescopic guide, using a conventional anchor connection, see fig. 2, which shows a telescopic guide at one end and a conventional fork ear anchor assembly at the other end.
Example two
A large-telescopic-amount inhaul cable is shown in figure 4-1, the basic structure of the large-telescopic-amount inhaul cable is the same as that of the first embodiment, the large-telescopic-amount inhaul cable still comprises an inhaul cable body 9 and two anchoring assemblies positioned at two ends of the inhaul cable body 9, each anchoring assembly comprises an inhaul cable anchorage device 1, a nut 2, an anchor backing plate 6, an embedded pipe 7 and a spiral rib 8, one end or two ends of the large-telescopic-amount inhaul cable further comprise a telescopic guide device, the telescopic guide device comprises a backing plate 3, a telescopic component and a guide component, and the position of the telescopic guide device is positioned between the anchor nut 2 and the anchor backing plate 6;
the difference from the first embodiment is that the guide member is a cylinder 52 (see fig. 4-2) with an inward flange at one end, the cylinder 52 being slightly larger in diameter than the anchor pad 6; in the installation state, the telescopic guide device is arranged between the anchoring nut 2 and the anchoring backing plate 6 of the anchoring component,
a cylinder 52 with an inward flange at one end is installed outside the disc spring group 41 as a guide member, and a cable is passed through the disc spring group 41 as a telescopic member, anchored on the pad 3 by the anchor nut 2 of the anchoring assembly (see fig. 4-1).
EXAMPLE III
A large-telescopic-amount inhaul cable is shown in figure 5-1, the basic structure of the large-telescopic-amount inhaul cable is the same as that of the first embodiment, the large-telescopic-amount inhaul cable still comprises an inhaul cable body 9 and two anchoring assemblies positioned at two ends of the inhaul cable body 9, each anchoring assembly comprises an inhaul cable anchorage device 1, a nut 2, an anchor backing plate 6, an embedded pipe 7 and a spiral rib 8, one end or two ends of the large-telescopic-amount inhaul cable further comprise a telescopic guide device, the telescopic guide device comprises a backing plate 3, a telescopic component and a guide component, and the position of the telescopic guide device is positioned between the anchor nut 2 and the anchor backing plate 6;
the difference from the first embodiment is that the guide member is two flanged cylinders 53 (see fig. 5-2 to 5-3) nested with each other;
in the installation state, the telescopic guide device is arranged between the anchoring nut 2 and the anchoring backing plate 6 of the anchoring assembly,
two flange cylinders 53 nested with each other as guide members through which the cable is passed to be anchored to the tie plate 3 by the anchor nuts 2 of the anchor assembly are installed inside the disc spring groups 41 (see fig. 5-1).
Example four
A large-telescopic-amount inhaul cable is shown in figure 6-1, the basic structure of the large-telescopic-amount inhaul cable is the same as that of the first embodiment, the large-telescopic-amount inhaul cable still comprises an inhaul cable body 9 and two anchoring assemblies positioned at two ends of the inhaul cable body 9, each anchoring assembly comprises an inhaul cable anchorage device 1, a nut 2, an anchor backing plate 6, an embedded pipe 7 and a spiral rib 8, one end or two ends of the large-telescopic-amount inhaul cable further comprise a telescopic guide device, the telescopic guide device comprises a backing plate 3, a telescopic component and a guide component, and the position of the telescopic guide device is positioned between the anchor nut 2 and the anchor backing plate 6;
the difference from the first embodiment is that the guiding member is two cylinders 54 nested with each other, one end of the two cylinders having an inward flange (see fig. 6-2 and 6-3);
in the installation state, the telescopic guide device is arranged between the anchoring nut 2 and the anchoring backing plate 6 of the anchoring assembly,
two cylinders 54 nested with each other as a guide member are installed outside the disc spring group 41, and the two tops are connected to the anchor pad 3 and the anchor pad, respectively, and the stay cable is passed through the inside of the disc spring group 41 as a telescopic member and anchored on the pad 3 by the anchor nut 2 of the anchoring assembly (see fig. 6-1).
In the first to fourth embodiments of the present invention, the disk spring group 41, which is a telescopic member, is a disk spring group formed by combining m × n disk spring sheets, where each m disk spring sheets are stacked into one group to form n groups, and the combination modes include various combinations, that is, the value ranges of m and n can be selected according to the requirements of various tension values and adjustable deformation amounts, and various combinations suitable for the tension value of the cable and the deformation displacement amount of the cable are configured to meet the requirements of various tension values and adjustable deformation amounts of the cable, and the value ranges of m and n are generally: 1 is not less than m and not more than 10,1 is not less than n and not more than 50.
EXAMPLE five
A large-telescopic-amount inhaul cable is shown in figure 7-1, the basic structure of the large-telescopic-amount inhaul cable is the same as that of the first embodiment, the large-telescopic-amount inhaul cable still comprises an inhaul cable body 9 and two anchoring assemblies positioned at two ends of the inhaul cable body 9, each anchoring assembly comprises an inhaul cable anchorage device 1, a nut 2, an anchor backing plate 6, an embedded pipe 7 and a spiral rib 8, one end or two ends of the large-telescopic-amount inhaul cable further comprise a telescopic guide device, the telescopic guide device comprises a backing plate 3, a telescopic component and a guide component, and the position of the telescopic guide device is positioned between the anchor nut 2 and the anchor backing plate 6;
the difference from the first embodiment is that the telescopic member is a common compression spring 42 (see fig. 7-2);
in the installation state, the telescopic guide device is arranged between the anchoring nut 2 and the anchoring backing plate 6 of the anchoring component,
a cylinder 51 with a flange at one end as a guide member is installed inside the general compression spring 42, and a cable is passed through the guide member, anchored to the pad 3 by the anchor nut 2 of the anchor assembly (see fig. 7-1).
As a variation of the second to fourth embodiments of the present invention, the telescopic members may be replaced with the common compression springs 42.
In each embodiment of the invention, the two ends of the large-expansion-amount inhaul cable can comprise an expansion guide device, or only one end of the large-expansion-amount inhaul cable is provided with the expansion guide device, while the other end of the large-expansion-amount inhaul cable is not provided with the expansion guide device, and a common anchoring connection mode is adopted, referring to fig. 2, wherein one end of the large-expansion-amount inhaul cable is provided with the expansion guide device, while the other end of the large-expansion-amount inhaul cable is connected by a common fork ear anchorage assembly or anchored by other anchoring modes.
The above embodiments only show some specific structures of the telescopic guiding device, but the present invention is not limited to the above structures, and any cable with large telescopic amount formed by the telescopic guiding device with the structure equivalent to the telescopic member or the guiding member of the telescopic guiding device described in the claims of the present invention is included in the scope of patent protection of the present invention.
Claims (4)
1. The utility model provides a big flexible volume cable, includes cable body (9), is located two anchor subassemblies at cable body (9) both ends, its characterized in that: one end or two ends of the large-telescopic-quantity inhaul cable further comprise a telescopic guide device, and the telescopic guide device comprises a base plate (3), a telescopic member and a guide member;
the backing plate (3) has the same structure as an anchor backing plate of the inhaul cable, and a through hole matched with the anchor is arranged in the middle;
the telescopic member is a disc spring group (41) or a spiral compression spring (42);
the guiding component is a telescopic piece which is positioned inside or outside the telescopic component and plays a guiding role, and comprises a cylinder with a flange at one end or two flange cylinders (53, 54) which are nested with each other;
under the installation state, flexible guider installs between anchor nut (2) and anchor backing plate (6) of anchor subassembly, backing plate (3) are close to anchor nut (2) one side, and the guide member is installed either inside the flexible component or outside the flexible component, and one end is connected with backing plate (3), and the other end is connected with anchor backing plate (6), and the cable passes guide member or flexible component and is anchored on backing plate (3) by anchor nut (2) of anchor subassembly.
2. The large-expansion-amount cable according to claim 1, characterized in that: the telescopic member is a disc spring group (41) formed by combining m multiplied by n disc spring sheets, wherein each m disc spring sheets are overlapped into a group to form n groups of combination, and the value ranges of m and n are as follows: m is more than or equal to 1 and less than or equal to 10,1 and less than or equal to 50.
3. The large-expansion-amount cable according to claim 1 or 2, characterized in that: the guide component is a cylinder I (51) with a flange at one end outer side or a cylinder II (52) with a flange at one end inner side, the cylinder I (51) with a flange at one end outer side is sleeved in the inner cavity of the telescopic component, and the cylinder II (52) with a flange at one end inner side is sleeved on the outer wall of the telescopic component.
4. The large-expansion-amount cable according to claim 2, characterized in that: the guiding component is two flange cylinders (53, 54) which are nested with each other, and the guiding component is sleeved on the inner cavity or the outer wall of the telescopic component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710656468.XA CN107401119B (en) | 2017-08-03 | 2017-08-03 | Large-expansion-amount inhaul cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710656468.XA CN107401119B (en) | 2017-08-03 | 2017-08-03 | Large-expansion-amount inhaul cable |
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| Publication Number | Publication Date |
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| CN107401119A CN107401119A (en) | 2017-11-28 |
| CN107401119B true CN107401119B (en) | 2022-12-16 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111561104A (en) * | 2020-05-12 | 2020-08-21 | 北京化工大学 | Inhaul cable anchoring device and construction method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0086751A2 (en) * | 1982-02-12 | 1983-08-24 | Ulisse C. Aschwanden | Anchor stretchable under tension |
| JPH11181769A (en) * | 1997-12-19 | 1999-07-06 | Ohbayashi Corp | Base isolating method and structure of anchor |
| CN101545244A (en) * | 2009-04-27 | 2009-09-30 | 江苏法尔胜新日制铁缆索有限公司 | Stay cable internal damper with adaptive stay cable eccentricity and self-locking function |
| KR100950265B1 (en) * | 2009-04-24 | 2010-03-31 | 이인귀 | Retension cylinder |
| CN207109585U (en) * | 2017-08-03 | 2018-03-16 | 柳州欧维姆机械股份有限公司 | Big stroke drag-line |
-
2017
- 2017-08-03 CN CN201710656468.XA patent/CN107401119B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0086751A2 (en) * | 1982-02-12 | 1983-08-24 | Ulisse C. Aschwanden | Anchor stretchable under tension |
| JPH11181769A (en) * | 1997-12-19 | 1999-07-06 | Ohbayashi Corp | Base isolating method and structure of anchor |
| KR100950265B1 (en) * | 2009-04-24 | 2010-03-31 | 이인귀 | Retension cylinder |
| CN101545244A (en) * | 2009-04-27 | 2009-09-30 | 江苏法尔胜新日制铁缆索有限公司 | Stay cable internal damper with adaptive stay cable eccentricity and self-locking function |
| CN207109585U (en) * | 2017-08-03 | 2018-03-16 | 柳州欧维姆机械股份有限公司 | Big stroke drag-line |
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| CN107401119A (en) | 2017-11-28 |
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