CN114086470B - Cable saddle system for horizontal rotation of main cable of suspension bridge - Google Patents
Cable saddle system for horizontal rotation of main cable of suspension bridge Download PDFInfo
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- CN114086470B CN114086470B CN202111457344.1A CN202111457344A CN114086470B CN 114086470 B CN114086470 B CN 114086470B CN 202111457344 A CN202111457344 A CN 202111457344A CN 114086470 B CN114086470 B CN 114086470B
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- steel grating
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- 239000000725 suspension Substances 0.000 title claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 91
- 239000010959 steel Substances 0.000 claims abstract description 91
- 238000003466 welding Methods 0.000 claims description 10
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 9
- 230000035515 penetration Effects 0.000 claims description 8
- -1 polytetrafluoroethylene Polymers 0.000 claims description 8
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 8
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- 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
- E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
A saddle system for horizontal swiveling of a main cable of a suspension bridge, comprising a main saddle (1), characterized in that: the main cable saddle (1) is positioned at the upper part of the central axis of the anchor body (2), more than one cable rotating saddle (3) is fixedly arranged on the anchor body (2) positioned at two sides of the central axis of the anchor body (2), a bottom surface steel grating (17) is pre-buried at the position of the bottom of the cable rotating saddle (3) arranged on the anchor body (2), a side elevation steel grating (16) is pre-buried at the position of one side of the cable rotating saddle (3) arranged on the side elevation steel grating (16) through a side elevation friction pair (18), one side of the cable rotating saddle (3) is arranged on the bottom surface steel grating (17) through a bottom surface friction pair (19).
Description
Technical Field
The invention relates to a suspension bridge cable saddle system, in particular to a cable saddle system for horizontal rotation of a main cable of a suspension bridge, and belongs to the technical field of bridge engineering.
Background
The main cable of the rotary cable suspension bridge does not need to be scattered and anchored in the rotary end anchorage, so that the size of the anchor body is small, the peripheral size of the anchorage can be designed to be more integral, the anchorage structure is greatly optimized, and the construction difficulty is greatly reduced. Therefore, the bridge type can be well adapted to the construction environment with difficult arrangement of side span anchorage, the mountain area adaptability of the suspension bridge is greatly improved, and the bridge type has good engineering significance and popularization value.
To realize 180-degree rotation of the main cable, the rotary cable suspension bridge is required to be provided with a cable saddle system which is adaptive to the rotary cable suspension bridge so as to meet the requirements of internal force transmission between the main cable and the anchorage and space displacement of the main cable. The cable saddle in the traditional meaning is used for solving the steering problem of the main cable at a single local point of the tower top or the anchorage, and is inapplicable to the continuous steering problem of the rotary cable at the anchorage. In order to ensure the smooth implementation of the rotary cable suspension bridge, a novel cable saddle system which is reasonable in stress and can help the main cable to rotate is necessary to be researched. The traditional main cable saddle structure needs to be pushed step by step in the construction process, a series of complex structures are needed to be installed between the saddle body and the grating plate, the construction difficulty is high, the use effect is not ideal, and the installation requirement of a main cable of the rotary cable suspension bridge cannot be met.
Disclosure of Invention
Aiming at the defects and shortcomings that the existing main cable saddle structure needs to be pushed step by step in the construction process, a series of complex structures are needed to be installed between a saddle body and a grating plate, the construction difficulty is high, the use effect is not ideal, and the installation requirement of a main cable of a rotary cable suspension bridge cannot be met, the invention provides the cable saddle system for the horizontal rotation of the main cable of the suspension bridge, which has reasonable structure, greatly facilitates the construction, does not need to be pushed step by step in the construction process, can ensure the relative sliding between the saddle and the anchor body, and has the functions of steering and adapting to the displacement of the main cable.
In order to achieve the above object, the technical solution of the present invention is: the utility model provides a cable saddle system for horizontal gyration of suspension bridge main cable, includes main cable saddle, and main cable saddle is fixed on the anchor, its characterized in that: the main cable saddle is located on the upper portion of the central axis of the anchor body, more than one cable saddle is fixedly arranged on the anchor body located on two sides of the central axis of the anchor body respectively, a bottom surface steel grating is arranged in a pre-buried mode at the bottom of the cable saddle, a side elevation steel grating is arranged in a pre-buried mode at one side of the anchor body where the cable saddle is installed, one side of the cable saddle is installed on the side elevation steel grating through a side elevation friction pair 18, and the bottom of the cable saddle is installed on the bottom surface steel grating through a bottom surface friction pair.
Further, the two cable-turning saddles are respectively fixedly arranged on the anchors on two sides of the central axis of the anchor body, the two cable-turning saddles are symmetrically distributed by taking the central axis of the anchor body as a symmetrical axis, and the main cable saddle and the two cable-turning saddles are distributed in a triangle shape.
Further, the main rope saddle comprises a main rope saddle head, a main rope saddle body, a main rope saddle groove and a steel grating, wherein the main rope saddle head is arc-shaped and welded and fixed on the main rope saddle body, the upper end of the main rope saddle head is provided with the main rope saddle groove for installing a main rope, the bottom of the main rope saddle body is fixedly provided with the steel grating, and the steel grating is embedded in the anchor body.
Further, the main rope saddle body comprises a plurality of transverse ribs and a plurality of longitudinal ribs, the transverse ribs and the longitudinal ribs are vertically and alternately fixed, a plurality of steel pull rods fixed with the anchor body are fixedly arranged at the bottom of the main rope saddle body, and steel pull rod preformed holes are formed in the outer edge of the bottom of the main rope saddle body.
Further, change the cable saddle and include changeing cable saddle head, changeing cable saddle body, changeing cable saddle groove, side elevation steel grating and bottom surface steel grating, changeing cable saddle head and being convex and welded fastening on changeing cable saddle body, the upper end that changeing cable saddle head is provided with the changeing cable saddle groove of installation main cable, the fixed bottom surface steel grating that is provided with in bottom of changeing cable saddle body, the fixed side elevation steel grating that is provided with in one side of changeing cable saddle body, side elevation steel grating and bottom surface steel grating all pre-buried setting in the anchor.
Further, the main cable saddle is arranged along the central axis of the bridge, one cable saddle is arranged at the first corner point, the other cable saddle is arranged at the second corner point, and the main cable is led in from the cable saddle positioned at the first corner point and pulled out after passing through the main cable saddle and the other cable saddle positioned at the second corner point.
Further, a plurality of saddle tie rods which are distributed at equal intervals are respectively arranged on the outer sides above the saddle grooves of the main rope saddle head and the rope rotating saddle head.
Further, the main cable saddle body and the cable saddle turning body are made of low alloy steel materials, penetration welding is conducted between the main cable saddle body and the main cable saddle head, and penetration welding is conducted between the cable saddle turning body and the cable saddle turning head.
Further, the steel grating, the side elevation steel grating and the bottom surface steel grating adopt a longitudinal and transverse beam lattice system formed by welding low alloy steel.
Further, the side elevation friction pair and the bottom surface friction pair comprise an upper bearing plate, a lower bearing plate and a polytetrafluoroethylene plate, wherein the upper bearing plate is fixed on the bottom or the side surface of the cable rotating saddle, the lower bearing plate is fixed on the side elevation steel grating or the bottom surface steel grating, and the polytetrafluoroethylene plate is laid or embedded on the surface of the upper bearing plate or the lower bearing plate.
The beneficial effects of the invention are as follows:
1. the invention adopts a cable saddle structure form which is formed by a main cable saddle and two cable turning saddles and is distributed in a triangle shape, the main cable saddle is used as a fixed point, the cable turning saddles are used as sliding structures, the cable turning saddles can slide along the tangential direction, the main cable saddle body can be designed according to an upper symmetrical structure and a lower symmetrical structure, the side surface and the anchor body compress and transfer force, and a lower buttress structure is not required to be arranged.
2. The cable strand is horizontally put into the saddle, the rotation midpoint position has a locking function to release the mutual coupling action of the upper cable strand and the lower cable strand, meanwhile, the cable-turning saddle utilizes the L-shaped double-sided friction pair to ensure the relative sliding between the cable-turning saddle and the anchor body so as to adapt to the space displacement requirement of the main cable, and the design is changed to make up the defects that the conventional cable saddle is single-sided sliding and does not have double-sided sliding function.
3. The invention has reasonable structure, greatly facilitates construction, does not need to push the main cable saddle step by step in the construction process, can ensure the relative sliding between the saddle and the anchor body, and has the functions of steering and adapting to the deflection of the main cable.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a general plan view of the present invention.
FIG. 3 is a schematic cross-sectional view of the main cable saddle of the present invention.
Fig. 4 is a schematic view of the side elevation of the main cable saddle of the present invention.
Fig. 5 is a schematic view of the construction of the cable saddle of the present invention.
FIG. 6 is a schematic cross-sectional view of a cable saddle of the present invention.
Fig. 7 is a schematic view of the structure of the main cable saddle groove of the present invention.
In the figure: the cable saddle comprises a main cable saddle 1, an anchor body 2, a cable saddle 3, a main cable 4, a main cable saddle head 5, a main cable saddle body 6, a main cable saddle groove 7, a steel grating 8, a steel pull rod 9, a transverse rib 10, a longitudinal rib 11, a steel pull rod reserved hole 12, a cable saddle head 13, a cable saddle body 14, a cable saddle groove 15, a side elevation steel grating 16, a bottom surface steel grating 17, a side elevation friction pair 18, a bottom surface friction pair 19, a saddle head pull rod 20, a first edge point 21 and a second edge point 22.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings and detailed description.
Referring to fig. 1 to 7, a cable saddle system for a horizontal rotation of a main cable of a suspension bridge of the present invention includes a main cable saddle 1, the main cable saddle 1 being fixed to an anchor body 2, characterized in that: the main cable saddle 1 is located on the upper portion of a central axis of the anchor body 2, more than one cable rotating saddle 3 is fixedly arranged on the anchor body 2 located on two sides of the central axis of the anchor body 2 respectively, a bottom surface steel grating 17 is arranged in a pre-buried mode at the position of the bottom of the cable rotating saddle 3 installed on the anchor body 2, a side elevation steel grating 16 is arranged in a pre-buried mode at the position of one side of the cable rotating saddle 3 installed on the side surface of the anchor body 2, one side of the cable rotating saddle 3 is installed on the side elevation steel grating 16 through a side elevation friction pair 18, and the bottom of the cable rotating saddle 3 is installed on the bottom surface steel grating 17 through a bottom surface friction pair 19.
The two cable turning saddles 3 are respectively and fixedly arranged on the anchor body 2 at two sides of the central axis of the anchor body 2, the two cable turning saddles 3 are symmetrically distributed by taking the central axis of the anchor body 2 as a symmetrical axis, and the main cable saddle 1 and the two cable turning saddles 3 are distributed in a triangle shape.
The main rope saddle 1 comprises a main rope saddle head 5, a main rope saddle body 6, a main rope saddle groove 7 and a steel grating 8, wherein the main rope saddle head 5 is arc-shaped and welded and fixed on the main rope saddle body 6, the upper end of the main rope saddle head 5 is provided with the main rope saddle groove 7 for installing a main rope 4, the bottom of the main rope saddle body 6 is fixedly provided with the steel grating 8, and the steel grating 8 is embedded in the anchor body 2.
The main cable saddle body 6 comprises a plurality of transverse ribs 10 and a plurality of longitudinal ribs 11, the transverse ribs 10 and the longitudinal ribs 11 are vertically and alternately fixed, a plurality of steel pull rods 9 fixed with the anchor body 2 are fixedly arranged at the bottom of the main cable saddle body 6, and steel pull rod preformed holes 12 are formed in the outer edge of the bottom of the main cable saddle body 6.
The cable turning saddle 3 comprises a cable turning saddle head 13, a cable turning saddle body 14, a cable turning saddle groove 15, a side elevation steel grating 16 and a bottom surface steel grating 17, the cable turning saddle head 13 is arc-shaped and welded and fixed on the cable turning saddle body 14, the cable turning saddle groove 15 for installing a main cable 4 is arranged at the upper end of the cable turning saddle head 13, the bottom surface steel grating 17 is fixedly arranged at the bottom of the cable turning saddle body 14, the side elevation steel grating 16 is fixedly arranged at one side of the cable turning saddle body 14, and the side elevation steel grating 16 and the bottom surface steel grating 17 are all pre-buried and arranged in the anchor body 2.
The main cable saddle 1 is arranged along the central axis of the bridge, one cable saddle 3 is arranged at a first corner point 21, the other cable saddle 3 is arranged at a second corner point 22, and the main cable 4 is led in from the cable saddle 3 positioned at the first corner point 21 and pulled out after passing through the main cable saddle 1 and the other cable saddle 3 positioned at the second corner point 22.
A plurality of saddle tie rods 20 which are distributed at equal intervals are respectively arranged on the upper outer sides of saddle grooves of the main cable saddle head 5 and the cable saddle head 13.
The main cable saddle body 6 and the cable saddle body 14 are made of low alloy steel materials, penetration welding is carried out between the main cable saddle body 6 and the main cable saddle head 5, and penetration welding is carried out between the cable saddle body 14 and the cable saddle head 13.
The steel grating 8, the side elevation steel grating 16 and the bottom surface steel grating 17 are welded by adopting low alloy steel to form a longitudinal and transverse beam lattice system.
The side elevation friction pair 18 and the bottom surface friction pair 19 comprise an upper bearing plate, a lower bearing plate and a polytetrafluoroethylene plate, wherein the upper bearing plate is fixed on the bottom or the side surface of the cable saddle 3, the lower bearing plate is fixed on the side elevation steel grating 16 or the bottom surface steel grating 17, and the polytetrafluoroethylene plate is laid or embedded on the surface of the upper bearing plate or the lower bearing plate.
Referring to fig. 1 to 5, the invention adopts two cable saddle forms of a main cable saddle 1 and a cable saddle 3 for rotating a main cable at an anchorage, the main cable saddle 1 is directly anchored with an anchor body 2 through an anchor, the main cable saddle 1 is positioned at the upper part of a central axis of the anchor body 2, and one or more cable saddle 3 is respectively and fixedly arranged on the anchor body 2 positioned at two sides of the central axis of the anchor body 2. As a preferred scheme, a main cable saddle 1 is fixedly arranged on the upper portion of a central axis of an anchor body 2, a cable turning saddle 3 is fixedly arranged on the anchor body 2 on two sides of the central axis of the anchor body 2 respectively, the two cable turning saddles 3 are symmetrically distributed by taking the central axis of the anchor body 2 as a symmetrical axis, the main cable saddle 1 and the two cable turning saddles 3 are distributed in a triangular shape, specifically, the main cable saddle 1 is arranged along the central axis of a bridge, one cable turning saddle 3 is arranged at a first edge point 21, the other cable turning saddle 3 is arranged at a second edge point 22, and a main cable 4 is led in from the cable turning saddles 3 positioned at the first edge point 21, and is pulled out after passing through the main cable saddle 1 and the other cable turning saddle 3 positioned at the second edge point 22. The main cable saddle 1 has a locking function to eliminate the mutual coupling of the same cable strand at the upstream and downstream, and the two cable turning saddles 3 mainly have the functions of turning and adapting to the deflection of the main cable.
The main cable saddle 1 comprises a main cable saddle head 5, a main cable saddle body 6, a main cable saddle groove 7 and a steel grating 8, wherein the main cable saddle body 6 is made of low alloy steel materials, the main cable saddle head 5 is arc-shaped and is fixed on the main cable saddle body 6 in a penetration welding mode, the main cable saddle groove 7 for installing a main cable 4 is arranged at the upper end of the main cable saddle head 5, and the main cable saddle groove 7 is horizontally arranged to meet the requirements of a construction method for horizontally feeding a main cable strand into a saddle. The main cable saddle 1 does not need to be pushed step by step in the construction process, and a series of complex structures such as sliding pairs between the main cable saddle body 6 and the steel grating 8 are eliminated, so that the cable saddle structure and the construction process are greatly optimized.
The bottom of main cable saddle 6 is fixed and is provided with steel grating 8, and steel grating 8 adopts the longitudinal and transverse beam lattice system that low alloy steel welded formed, and steel grating 8 is fixed as a whole with main cable saddle 6, and steel grating 8 pre-buried setting is in anchor 2. In order to improve the anchoring strength between the main cable saddle 6 and the anchor body 2, the invention also fixedly provides a plurality of steel pull rods 9 fixed with the anchor body 2 at the bottom of the main cable saddle 6, steel pull rod preformed holes 12 are arranged at the outer edge of the bottom of the main cable saddle 6, and the steel pull rods 9 and the anchor body 2 can be installed on the steel pull rod preformed holes 12 to be fixed according to the requirement.
The cable rotating saddle 3 comprises a cable rotating saddle head 13, a cable rotating saddle body 14, a cable rotating saddle groove 15, a side elevation steel grating 16 and a bottom surface steel grating 17, wherein the cable rotating saddle head 13 is arc-shaped and is fixed on the cable rotating saddle body 14 in a penetration welding mode, and the cable rotating saddle groove 15 for installing the main cable 4 is arranged at the upper end of the cable rotating saddle head 13. The cable-turning saddle groove 15 is used for installing the main cable 4, and the cable-turning saddle groove 15 meets the requirements of a construction method that the main cable strand horizontally goes into the saddle. The anchor body 2 is provided with a bottom surface steel grating 17 in advance at the bottom of the cable rotating saddle 3, the bottom of the cable rotating saddle 3 is arranged on the bottom surface steel grating 17 through a bottom surface friction pair 19, and the side elevation steel grating 16 and the bottom surface steel grating 17 adopt a longitudinal and transverse beam lattice system formed by welding low alloy steel.
The side elevation steel grating 16 is pre-buried to be provided with in the position of the side installation of the side of anchor body 2 changes cable saddle 3 one side, and the one side of changeing cable saddle 3 passes through side elevation friction pair 18 and installs on side elevation steel grating 16. The side elevation steel grating 16 and the bottom surface steel grating 17 are L-shaped, the rotating cable saddle 3 utilizes an L-shaped double-sided friction pair to ensure the relative sliding between the rotating cable saddle 3 and the anchor body 2 so as to adapt to the space displacement requirement of the main cable 4, the design is changed to make up the defect that the previous cable saddle is single-sided sliding and does not have double-sided sliding function, and the very good technical effect is achieved.
The side elevation friction pair 18 and the bottom surface friction pair 19 comprise an upper bearing plate, a lower bearing plate and a polytetrafluoroethylene plate, wherein the upper bearing plate is fixed on the bottom or the side surface of the cable rotating saddle 3, the lower bearing plate is fixed on the side elevation steel grating 16 or the bottom surface steel grating 17, and the polytetrafluoroethylene plate is laid or embedded on the surface of the upper bearing plate or the lower bearing plate, so that the relative sliding between contact surfaces is realized, and the cable rotating saddle can adapt to the deflection of the main cable 4. In addition, a plurality of saddle tie rods 20 which are distributed at equal intervals are arranged on the upper outer sides of saddle grooves of the main rope saddle head 5 and the rope rotating saddle head 13, so that the aim of enhancing the overall structural strength of the main rope saddle head 5 and the rope rotating saddle head 13 can be achieved.
The foregoing is a further detailed description of the invention in connection with the specific embodiments, and it is not to be construed as limited to the specific embodiments of the invention, but it is to be understood that the invention is capable of modification and substitution in accordance with the invention without departing from the spirit of the invention.
Claims (10)
1. The utility model provides a cable saddle system for horizontal gyration of suspension bridge main cable, includes main cable saddle (1), and main cable saddle (1) are fixed on anchor body (2), its characterized in that: the main cable saddle (1) is located on the upper portion of a central axis of the anchor body (2), more than one cable rotating saddle (3) is fixedly arranged on the anchor body (2) located on two sides of the central axis of the anchor body (2) respectively, a bottom surface steel grating (17) is arranged at the position of the bottom of the cable rotating saddle (3) in a pre-buried mode on the anchor body (2), a side elevation steel grating (16) is arranged at the position of one side of the cable rotating saddle (3) in a pre-buried mode on the side surface of the anchor body (2), one side of the cable rotating saddle (3) is arranged on the side elevation steel grating (16) through a side elevation friction pair (18), and the bottom of the cable rotating saddle (3) is arranged on the bottom surface steel grating (17) through a bottom surface friction pair (19).
2. A cable saddle system for horizontal swiveling of a main cable of a suspension bridge according to claim 1, wherein: the cable turning device is characterized in that one cable turning saddle (3) is fixedly arranged on each of the anchor bodies (2) on two sides of the central axis of each anchor body (2), the central axes of the two cable turning saddles (3) are symmetrically distributed by taking the central axis of each anchor body (2) as a symmetrical axis, and the main cable saddle (1) and the two cable turning saddles (3) are distributed in a triangle shape.
3. A cable saddle system for horizontal swiveling of a main cable of a suspension bridge according to claim 1, wherein: main rope saddle (1) are including main rope saddle head (5), main rope saddle body (6), main rope saddle groove (7) and steel grating (8), and main rope saddle head (5) are convex and welded fastening on main rope saddle body (6), and the upper end of main rope saddle head (5) is provided with main rope saddle groove (7) of installation main rope (4), and the bottom of main rope saddle body (6) is fixed to be provided with steel grating (8), and steel grating (8) are pre-buried to be set up in anchor body (2).
4. A cable saddle system for horizontal swiveling of a main cable of a suspension bridge according to claim 3, wherein: the main cable saddle body (6) comprises a plurality of transverse ribs (10) and a plurality of longitudinal ribs (11), the transverse ribs (10) and the longitudinal ribs (11) are vertically and alternately fixed, a plurality of steel pull rods (9) fixed with the anchor body (2) are fixedly arranged at the bottom of the main cable saddle body (6), and steel pull rod reserved holes (12) are formed in the outer edge of the bottom of the main cable saddle body (6).
5. A cable saddle system for horizontal swiveling of a main cable of a suspension bridge according to claim 3, wherein: the cable rotating saddle (3) comprises a cable rotating saddle head (13), a cable rotating saddle body (14), a cable rotating saddle groove (15), a side elevation steel grating (16) and a bottom surface steel grating (17), wherein the cable rotating saddle head (13) is arc-shaped and welded and fixed on the cable rotating saddle body (14), the cable rotating saddle groove (15) for installing a main cable (4) is formed in the upper end of the cable rotating saddle head (13), the bottom surface steel grating (17) is fixedly arranged at the bottom of the cable rotating saddle body (14), the side elevation steel grating (16) is fixedly arranged on one side of the cable rotating saddle body (14), and the side elevation steel grating (16) and the bottom surface steel grating (17) are all pre-buried and arranged in the anchor body (2).
6. A cable saddle system for horizontal swiveling of a main cable of a suspension bridge according to claim 1, wherein: the main cable saddle (1) is arranged along the central axis of the bridge, one cable saddle (3) is arranged at a first corner point (21), the other cable saddle (3) is arranged at a second corner point (22), and the main cable (4) is led in from the cable saddle (3) positioned at the first corner point (21) and pulled out after passing through the main cable saddle (1) and the other cable saddle (3) positioned at the second corner point (22).
7. A cable saddle system for horizontal swiveling of a main cable of a suspension bridge according to claim 5, wherein: a plurality of saddle head pull rods (20) which are distributed at equal intervals are respectively arranged on the outer sides above the saddle grooves of the main cable saddle head (5) and the cable saddle head (13).
8. A cable saddle system for horizontal swiveling of a main cable of a suspension bridge according to claim 5, wherein: the main cable saddle body (6) and the cable saddle turning body (14) are made of low alloy steel materials, penetration welding is carried out between the main cable saddle body (6) and the main cable saddle head (5), and penetration welding is carried out between the cable saddle turning body (14) and the cable saddle turning head (13).
9. A cable saddle system for horizontal swiveling of a main cable of a suspension bridge according to claim 3, wherein: the steel grating (8), the side elevation steel grating (16) and the bottom surface steel grating (17) are welded by adopting low alloy steel to form a longitudinal and transverse beam lattice system.
10. A cable saddle system for horizontal swiveling of a main cable of a suspension bridge according to claim 1, wherein: the side elevation friction pair (18) and the bottom surface friction pair (19) comprise an upper bearing plate, a lower bearing plate and a polytetrafluoroethylene plate, wherein the upper bearing plate is fixed on the bottom or the side surface of the cable rotating saddle (3), the lower bearing plate is fixed on a side elevation steel grating (16) or a bottom surface steel grating (17), and the polytetrafluoroethylene plate is laid or embedded on the surface of the upper bearing plate or the lower bearing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111457344.1A CN114086470B (en) | 2021-12-02 | 2021-12-02 | Cable saddle system for horizontal rotation of main cable of suspension bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111457344.1A CN114086470B (en) | 2021-12-02 | 2021-12-02 | Cable saddle system for horizontal rotation of main cable of suspension bridge |
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| Publication Number | Publication Date |
|---|---|
| CN114086470A CN114086470A (en) | 2022-02-25 |
| CN114086470B true CN114086470B (en) | 2024-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111457344.1A Active CN114086470B (en) | 2021-12-02 | 2021-12-02 | Cable saddle system for horizontal rotation of main cable of suspension bridge |
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| CN (1) | CN114086470B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117904963B (en) * | 2024-01-29 | 2025-08-15 | 中铁四局集团有限公司 | Cable horizontal rotation anchorage system and construction method |
| CN121493806B (en) * | 2026-01-12 | 2026-04-28 | 中铁二局集团有限公司 | A method for lateral movement of towerless cable-stayed cranes on long-span bridges in mountainous areas |
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