CN114277691A - Large-scale anchorage cable saddle deflection angle installing and positioning device and construction method thereof - Google Patents
Large-scale anchorage cable saddle deflection angle installing and positioning device and construction method thereof Download PDFInfo
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- CN114277691A CN114277691A CN202111682495.7A CN202111682495A CN114277691A CN 114277691 A CN114277691 A CN 114277691A CN 202111682495 A CN202111682495 A CN 202111682495A CN 114277691 A CN114277691 A CN 114277691A
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Abstract
The invention discloses a large anchorage cable saddle deflection angle installation positioning device and a construction method thereof, wherein the large anchorage cable saddle deflection angle installation positioning device comprises a first support frame arranged on a horizontal plane and a second support frame arranged on an inclined slope surface, and a base is arranged on the inclined slope surface; the bottom end of the first support frame is fixedly connected with an upper embedded part embedded in a horizontal plane, the top end of the first support frame is penetrated with a deformed steel bar facing an inclined slope surface, one end of the deformed steel bar facing the cable scattering saddle is fixedly connected with a lifting lug on the cable scattering saddle, one end of the first support frame, through which the deformed steel bar penetrates, is fixedly provided with an anchor beam, and the anchor beam is provided with a nut connected with the deformed steel bar; the bottom fixedly connected with of second support frame buries the lower built-in fitting in the sloping face underground, and the top of second support frame is fixed to be provided with the supporting pad that offsets with the rope saddle that looses. The invention aims to provide a positioning device and a construction method which are simple and convenient to assemble, high in installation efficiency and capable of accurately positioning the deviation angle of a cable saddle.
Description
Technical Field
The invention relates to the technical field of suspension bridge anchorage cable saddle construction, in particular to a large anchorage cable saddle deflection angle installation positioning device and a construction method thereof.
Background
The positioning precision of the deflection angle of the cable saddle of the suspension bridge anchorage is the key for ensuring the linear stress of the main cable of the suspension bridge according to the design, and the safe use of the suspension bridge is influenced. At present, a temporary support frame direct positioning method is mostly adopted for deflection angle positioning of an anchorage cable saddle in the industry, a plurality of temporary support frames are needed for fixing a large cable saddle, and the requirement on the rigidity of the temporary support frames is extremely high. On one hand, the method has extremely high requirements on the construction quality of the temporary support frame and is difficult to realize on site. On the other hand, the consumption of the section steel is large, and the time, the manpower and the material resources are wasted. Therefore, a positioning device and a construction method which are simple and convenient to assemble, high in installation efficiency and capable of accurately positioning the deviation angle of the cable saddle are needed.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a positioning device and a construction method which are simple and convenient to assemble, high in installation efficiency and capable of accurately positioning the deviation angle of a cable saddle.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a large-scale anchorage cable saddle deflection angle installing and positioning device comprises a first support frame arranged on a horizontal plane and a second support frame arranged on an inclined slope surface, wherein a base is arranged on the inclined slope surface, a cable saddle is arranged on the base, and the bottom end of the base is fixedly connected with a base embedded part embedded in the inclined slope surface; the bottom end of the first support frame is fixedly connected with an upper embedded part embedded in a horizontal plane, the top end of the first support frame is penetrated with a deformed steel bar facing an inclined slope surface, one end of the deformed steel bar facing the cable scattering saddle is fixedly connected with a lifting lug on the cable scattering saddle, one end of the first support frame, through which the deformed steel bar penetrates, is fixedly provided with an anchor beam, and the anchor beam is provided with a nut connected with the deformed steel bar; the bottom fixedly connected with of second support frame buries the lower built-in fitting in the sloping face underground, and the top of second support frame is fixed to be provided with the supporting pad that offsets with the rope saddle that looses.
Furthermore, the deformed steel bars can be arranged into two sections, and the deformed steel bars are connected through a deformed sleeve.
Furthermore, the first support frame and the second support frame are both formed by triangular trusses.
Also comprises a construction method for installing and positioning the deflection angle of the large anchorage cable saddle, which is based on a device for installing and positioning the deflection angle of the large anchorage cable saddle,
(1) pre-embedding an upper pre-embedded part in a horizontal plane of the anchorage concrete, and pre-embedding a base pre-embedded part and a lower pre-embedded part in an inclined slope plane of the anchorage concrete;
(2) the upper embedded part is fixedly connected with a first support frame, the base embedded part is fixedly connected with a base, and the lower embedded part is fixedly connected with a second support frame;
(3) hoisting the anchorage cable-scattering saddle by using a crane, wherein one end of the deformed steel bar is fixedly connected with a lifting lug on the cable-scattering saddle, and the other end of the deformed steel bar penetrates through an anchor beam on the first support frame and is fixed with the anchor beam through a nut;
(4) the measuring instrument is used for measuring the angular deviation of the scattered cable saddle, the deflection angle of the scattered cable saddle is finely adjusted to a designed deflection angle by adjusting the extension length of the deformed steel bar at the anchor beam, then the screw cap is screwed to be fixed with the anchor beam, and the top side of the second support frame is fixedly supported on the support pad at the side part of the scattered cable saddle, so that the deflection angle position of the scattered cable saddle is fixed.
Compared with the prior art, the invention has the following beneficial effects:
the invention has simple combination and high installation efficiency, and can accurately position the deflection angle position of the cable saddle of the suspension bridge. The skew angle installation and the location of large-scale scattered cable saddle are solved through the screw-thread steel and the nut of adjusting anchor beam department, and only need two support frames to accomplish the construction, reduce cost shortens construction period, improves cable saddle installation accuracy. Because the support of scattered cable saddle lateral part is accomplished through second support frame and supporting pad jointly, consequently can reduce the mounted position and the requirement of design intensity to the second support frame, accessible supporting pad supplements when the second support frame height is not enough, has reduced the use of interim support frame.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Reference numerals:
1-upper embedded part, 2-first supporting frame, 3-anchor beam, 4-deformed steel bar, 5-screw cap, 6-deformed sleeve, 7-lower embedded part, 8-second supporting frame, 9-lifting lug, 10-base embedded part, 11-base, 12-cable saddle and 13-supporting pad.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1, the deflection angle installation positioning device for the large anchorage cable saddle comprises a first support frame 2 arranged on a horizontal plane and a second support frame 8 arranged on an inclined slope surface, wherein a base 11 is arranged on the inclined slope surface, a cable saddle 12 is installed on the base 11, and the bottom end of the base 11 is fixedly connected with a base embedded part 10 embedded in the inclined slope surface; the bottom end of the first support frame 2 is fixedly connected with an upper embedded part 1 embedded in a horizontal plane, the top end of the first support frame 2 penetrates through a deformed steel bar 4 facing an inclined slope surface, one end, facing a cable scattering saddle 12, of the deformed steel bar 4 is fixedly connected with a lifting lug 9 on the cable scattering saddle 12, an anchor beam 3 is fixedly arranged at one end, through which the deformed steel bar 4 penetrates, of the first support frame 2, and a nut 5 connected with the deformed steel bar 4 is arranged on the anchor beam 3; the bottom fixedly connected with of second support frame 2 buries the lower built-in fitting 7 in the inclined slope underground, and the top of second support frame 2 is fixed to be provided with the supporting pad 13 that offsets with scattered cable saddle 12.
The deformed steel bars 4 can be arranged into two sections, the deformed steel bars 4 are connected through the threaded sleeves 6, and the machining difficulty of the deformed steel bars 4 required by construction when the lengths of the deformed steel bars are too long is reduced by means of segmented connection of the deformed steel bars 4.
The construction method of the invention comprises the following steps:
(1) an upper embedded part 1 is embedded in a horizontal plane of the anchorage concrete, and a base embedded part 10 and a lower embedded part 7 are embedded in an inclined slope of the anchorage concrete.
(2) The upper embedded part 1 is fixedly connected with a first support frame 2, the base embedded part 10 is fixedly connected with a base 11, and the lower embedded part 7 is fixedly connected with a second support frame 2.
(3) The anchor scattered cable saddle 12 is hoisted by a crane, one end of the deformed steel bar 4 is fixedly connected with a lifting lug 9 on the scattered cable saddle 12, the other end of the deformed steel bar 4 penetrates into an anchor beam 3 on the first support frame 2 and is fixed with the anchor beam 3 through a nut 5, the deformed steel bar 4 needs to be finish-rolled deformed steel bar with high structural strength, and when the required length of the deformed steel bar 4 is larger, the deformed steel bar can be divided into two sections and a threaded sleeve 6 is connected between the two sections of deformed steel bar 4.
(4) The angle deviation of the cable saddle 12 is measured by using a measuring instrument, the angle deviation of the cable saddle 12 is finely adjusted to a designed angle deviation by adjusting the elongation or contraction of the deformed steel bar 4 at the anchor beam 3 towards the cable saddle 12 through a crane, then the nut 4 is screwed to be fixed with the anchor beam 3, and a supporting pad 13 supported on the side of the cable saddle 12 is fixed on the top side of the second supporting frame 8, so that the angle deviation position of the cable saddle 12 is fixed.
In conclusion, the problems that a large-scale scattered cable saddle needs a plurality of temporary support frames for fixation, the rigidity requirement of the temporary support frames is high, and the field is difficult to realize are solved by adjusting the deformed steel bars 4 and the screw caps 5 at the anchor beam 3, the cost is reduced, the construction period is shortened, and the cable saddle installation precision is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. The utility model provides a large-scale anchorage cable saddle declination installation positioner that looses which characterized in that: the cable laying device comprises a first support frame (2) arranged on a horizontal plane and a second support frame (8) arranged on an inclined slope surface, wherein a base (11) is arranged on the inclined slope surface, a cable scattering saddle (12) is installed on the base (11), and the bottom end of the base (11) is fixedly connected with a base embedded part (10) embedded in the inclined slope surface; the bottom end of the first support frame (2) is fixedly connected with an upper embedded part (1) embedded in a horizontal plane, the top end of the first support frame (2) penetrates through a deformed steel bar (4) facing an inclined slope surface, one end, facing a cable scattering saddle (12), of the deformed steel bar (4) is fixedly connected with a lifting lug (9) on the cable scattering saddle (12), an anchor beam (3) is fixedly arranged at one end, penetrating out of the deformed steel bar (4), of the first support frame (2), and a nut (5) connected with the deformed steel bar (4) is arranged on the anchor beam (3); the bottom end of the second support frame (8) is fixedly connected with a lower embedded part (7) embedded in the inclined slope, and the top end of the second support frame (8) is fixedly provided with a support pad (13) which is abutted against the cable saddle (12).
2. The large-scale anchorage cable saddle deflection angle installation positioning device according to claim 1, characterized in that: the deformed steel bars (4) can be arranged into two sections, and the deformed steel bars (4) are connected through a threaded sleeve (6).
3. The large-scale anchorage cable saddle deflection angle installation positioning device according to claim 1, characterized in that: the first support frame (2) and the second support frame (8) are both formed by triangular trusses.
4. A large anchorage cable saddle deflection angle installing and positioning construction method is based on a large anchorage cable saddle deflection angle installing and positioning device and is characterized in that:
(1) embedding an upper embedded part (1) in a horizontal plane of anchor concrete, and embedding a base embedded part (10) and a lower embedded part (7) in an inclined slope plane of the anchor concrete;
(2) a first support frame (2) is fixedly connected to the upper embedded part (1), a base (11) is fixedly connected to the base embedded part (10), and a second support frame (8) is fixedly connected to the lower embedded part (7);
(3) hoisting an anchorage cable-scattering saddle (12) by using a crane, wherein one end of the deformed steel bar (4) is fixedly connected with a lifting lug (9) on the cable-scattering saddle (12), and the other end of the deformed steel bar (4) penetrates through an anchor beam (3) on the first support frame (2) and is fixed with the anchor beam (3) through a nut (5);
(4) the angle deviation of the cable saddle (12) is measured by using a measuring instrument, the deflection angle of the cable saddle (12) is finely adjusted to a designed deflection angle by adjusting the extension length of the deformed steel bar (4) at the anchor beam (3), then the nut (5) is screwed to be fixed with the anchor beam (3), and a supporting pad (13) fixedly supported on the side of the cable saddle (12) is arranged on the top side of the second supporting frame (8), so that the deflection angle position of the cable saddle (12) is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111682495.7A CN114277691A (en) | 2021-12-31 | 2021-12-31 | Large-scale anchorage cable saddle deflection angle installing and positioning device and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111682495.7A CN114277691A (en) | 2021-12-31 | 2021-12-31 | Large-scale anchorage cable saddle deflection angle installing and positioning device and construction method thereof |
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| CN114277691A true CN114277691A (en) | 2022-04-05 |
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| CN202111682495.7A Pending CN114277691A (en) | 2021-12-31 | 2021-12-31 | Large-scale anchorage cable saddle deflection angle installing and positioning device and construction method thereof |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2806107A1 (en) * | 2000-03-13 | 2001-09-14 | Freyssinet Int Stup | Cable deviation saddle for civil engineering structure has separate conduits for strands formed by offset plates with holes |
| CN106436572A (en) * | 2016-12-01 | 2017-02-22 | 德阳天元重工股份有限公司 | Separate combined type splay saddle and installation method thereof |
| CN207244452U (en) * | 2017-03-31 | 2018-04-17 | 中交二公局第二工程有限公司 | A kind of suspension bridge vice saddle adjusting apparatus in place |
| CN110467113A (en) * | 2019-08-28 | 2019-11-19 | 四川路桥桥梁工程有限责任公司 | Large-tonnage tunnel anchorage dissipates cable saddle hanging apparatus and method |
| CN110629671A (en) * | 2019-10-31 | 2019-12-31 | 中铁大桥勘测设计院集团有限公司 | Suspension bridge anchorage and construction method thereof |
| CN111485496A (en) * | 2020-04-20 | 2020-08-04 | 中建三局第三建设工程有限责任公司 | System and method for slip mounting of scattered cable saddle of large-inclination-angle tunnel anchor in narrow space |
| CN212175512U (en) * | 2020-04-22 | 2020-12-18 | 中交一公局集团有限公司 | Catwalk anchoring system, catwalk and suspension bridge construction device |
| CN213328682U (en) * | 2020-07-27 | 2021-06-01 | 中交第二航务工程局有限公司 | Mounting structure suitable for heavy scattered cable saddle |
| KR102305330B1 (en) * | 2020-12-29 | 2021-09-28 | 주식회사 에이앤에스 | Cable suspension pedestrian bridge and saddle used therein |
-
2021
- 2021-12-31 CN CN202111682495.7A patent/CN114277691A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2806107A1 (en) * | 2000-03-13 | 2001-09-14 | Freyssinet Int Stup | Cable deviation saddle for civil engineering structure has separate conduits for strands formed by offset plates with holes |
| CN106436572A (en) * | 2016-12-01 | 2017-02-22 | 德阳天元重工股份有限公司 | Separate combined type splay saddle and installation method thereof |
| CN207244452U (en) * | 2017-03-31 | 2018-04-17 | 中交二公局第二工程有限公司 | A kind of suspension bridge vice saddle adjusting apparatus in place |
| CN110467113A (en) * | 2019-08-28 | 2019-11-19 | 四川路桥桥梁工程有限责任公司 | Large-tonnage tunnel anchorage dissipates cable saddle hanging apparatus and method |
| CN110629671A (en) * | 2019-10-31 | 2019-12-31 | 中铁大桥勘测设计院集团有限公司 | Suspension bridge anchorage and construction method thereof |
| CN111485496A (en) * | 2020-04-20 | 2020-08-04 | 中建三局第三建设工程有限责任公司 | System and method for slip mounting of scattered cable saddle of large-inclination-angle tunnel anchor in narrow space |
| CN212175512U (en) * | 2020-04-22 | 2020-12-18 | 中交一公局集团有限公司 | Catwalk anchoring system, catwalk and suspension bridge construction device |
| CN213328682U (en) * | 2020-07-27 | 2021-06-01 | 中交第二航务工程局有限公司 | Mounting structure suitable for heavy scattered cable saddle |
| KR102305330B1 (en) * | 2020-12-29 | 2021-09-28 | 주식회사 에이앤에스 | Cable suspension pedestrian bridge and saddle used therein |
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