CN110644373A - Automatic positioning bearing platform for inner cavity of inclined tower column - Google Patents
Automatic positioning bearing platform for inner cavity of inclined tower column Download PDFInfo
- Publication number
- CN110644373A CN110644373A CN201910973761.8A CN201910973761A CN110644373A CN 110644373 A CN110644373 A CN 110644373A CN 201910973761 A CN201910973761 A CN 201910973761A CN 110644373 A CN110644373 A CN 110644373A
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- China
- Prior art keywords
- transverse
- platform
- inner cavity
- tower column
- bearing platform
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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
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- 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
Abstract
The invention discloses an automatic positioning bearing platform for an inner cavity of an inclined tower column, which is characterized in that: the transverse moving platform is sleeved on the outer side of the inner mold support and detachably and fixedly connected with the inner mold support, a bearing platform is connected to the lower end of the transverse moving platform in a sliding mode, and the transverse sides and the longitudinal sides of the bearing platform are respectively connected with transverse telescopic arms and longitudinal telescopic arms which are detachably connected with the wall surface of an inner cavity of the inclined tower column in a sliding mode. The bearing platform is connected with the anchoring device pre-buried in the wall surface of the inner cavity of the inclined tower column to support the inner mold support, the transverse telescopic arm and the longitudinal telescopic arm can adapt to the change of the section of the inner cavity of the inclined tower column, so that the inner mold support can be supported after climbing, the transverse moving platform and the bearing platform support can be transversely adjusted, and the bearing platform and the transverse moving platform can be ensured to be positioned in the center of the inner cavity of the inclined tower column when being initially installed.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to an automatic positioning bearing platform for an inner cavity of an inclined tower column.
Background
At present, most bridge concrete main towers are inclined towers with angle section change, and the section size of an inner cavity of each inclined tower column is continuously changed along with the change of the height of each inclined tower column, so that an inner cavity template needs to be continuously adjusted to adapt to a tower body during construction. And the position adjustment of the inner cavity template is mainly completed by the aid of a tower crane, so that the adjustment workload is large, and the risk is high. If the device capable of hoisting the inner die is arranged in the inner cavity of the oblique tower column, how the device for hoisting the inner die supports the device, and how the device adapts to the change of the section size of the inner cavity of the oblique tower column along with the lifting of the inner die becomes a difficult point.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide an automatic positioning bearing platform which can support an internal mold support and adapt to the change of the cross section of an inner cavity of an inclined tower column.
In order to achieve the purpose, the invention provides an automatic positioning bearing platform for an inner cavity of an inclined tower column, which is characterized in that: the transverse moving platform is sleeved on the outer side of the inner mold support and detachably and fixedly connected with the inner mold support, a bearing platform is connected to the lower end of the transverse moving platform in a sliding mode, and the transverse sides and the longitudinal sides of the bearing platform are respectively connected with transverse telescopic arms and longitudinal telescopic arms which are detachably connected with the wall surface of an inner cavity of the inclined tower column in a sliding mode.
Further, load-bearing platform includes the frame that is formed by horizontal girder and the concatenation of vertical girder, horizontal girder is equipped with upper and lower two-layer last cavity and lower cavity, go up the cavity with cavity one end opening and opening opposite direction down.
Furthermore, the open ends of the upper chamber and the lower chamber are in sliding sleeve joint with the transverse telescopic arm, and a transverse telescopic oil cylinder is fixedly connected between the transverse telescopic arm and the transverse main beam; the end part of the longitudinal main beam is in sliding sleeve joint with the longitudinal telescopic arm, and a longitudinal telescopic oil cylinder is fixedly connected between the longitudinal telescopic arm and the longitudinal main beam.
Furthermore, an anchoring device is pre-buried on the wall surface of the inner cavity of the oblique tower column, the end part of the transverse telescopic arm is in threaded connection with a transverse tightening screw rod which is abutted against the wall surface of the inner cavity of the oblique tower column, the transverse telescopic arm is in vertical threaded connection with a vertical supporting screw rod, and the vertical supporting screw rod is supported on the anchoring device; and the end part of the longitudinal telescopic arm is in threaded connection with a longitudinal jacking screw rod which is abutted against the wall surface of the inner cavity of the inclined tower column.
Furthermore, the transverse moving platform is of a rectangular frame structure, the inner side of the transverse moving platform is detachably connected with the inner mold support through a positioning pin shaft, the inner side of the transverse moving platform is further fixedly provided with a limiting idler wheel in rolling fit with the inner mold support, a sliding block is transversely arranged at the lower end of the transverse moving platform, the longitudinal two side edges of the lower end face of the transverse moving platform are provided with limiting clamping hooks, the limiting clamping hooks are clamped and limited with the longitudinal two side edges of the transverse girder, and a transverse moving oil cylinder is fixedly connected between the transverse moving platform and the transverse girder.
The invention has the beneficial effects that: support the internal mold support and adapt to the change of the cross section of the inner cavity of the inclined tower column. The bearing platform is connected with the anchoring device pre-buried in the wall surface of the inner cavity of the inclined tower column to support the inner mold support, the transverse telescopic arm and the longitudinal telescopic arm can adapt to the change of the section of the inner cavity of the inclined tower column, so that the inner mold support can be supported after climbing, the transverse moving platform and the bearing platform support can be transversely adjusted, and the transverse moving platform and the bearing platform can be ensured to be positioned in the center of the inner cavity of the inclined tower column when being initially installed.
Drawings
FIG. 1 is a front view of the automatic positioning platform structure of the present invention.
FIG. 2 is a top view of the traverse platform structure.
FIG. 3 is a front view of the traverse platform configuration.
Fig. 4 is a top view of a load-bearing platform structure.
Fig. 5 is a front view of a load-bearing platform structure.
Fig. 6 is a front view of the structure of the transversely extending telescopic arm.
FIG. 7 is a front view of the anchor structure.
Fig. 8 is a schematic diagram of the automatic positioning bearing platform, the internal mold support and the wall surface of the inner cavity of the oblique tower column.
The components in the figures are numbered as follows: the inner mold support 300, the traverse platform 400, the positioning pin shaft 410, the limiting roller 420, the limiting hook 430, the sliding block 440, the transverse translation oil cylinder 450, the box climbing support 460, the bearing platform 500, the transverse main beam 510, the upper chamber 511, the lower chamber 512, the longitudinal main beam 520, the transverse telescopic arm 530, the transverse tightening screw 531, the vertical supporting screw 532, the longitudinal telescopic arm 540, the longitudinal tightening screw 541, the transverse telescopic oil cylinder 550, the longitudinal telescopic oil cylinder 560, the anchoring device 700, the bracket 710, the embedded screw 720, the fastening nut 730, the inclined tower column inner cavity 1100 and the inclined tower column inner cavity wall 1200.
Detailed Description
The invention will be described in more detail below with reference to the accompanying drawings, which are included to provide a more clear understanding of the invention, but are not intended to limit the invention.
As shown in fig. 1 and 8, an automatic positioning bearing platform for an inner cavity of an oblique tower column, wherein the length direction of a bridge is vertical, the length direction of a bridge is horizontal, the automatic positioning bearing platform is perpendicular to the length direction of the bridge and comprises a transverse moving platform 400 sleeved outside an inner mold support 300, the inner mold support 300 is located in the inner cavity 1100 of the oblique tower column, the transverse moving platform 400 is detachably and fixedly connected with the inner mold support 300, the lower end of the transverse moving platform 400 is slidably connected with a bearing platform 500, and the transverse sides and the longitudinal sides of the bearing platform 500 are respectively slidably connected with transverse telescopic arms 530 and longitudinal telescopic arms 560 detachably connected with the wall surface 1200 of the inner cavity of. Therefore, the inner mold support is supported on the wall surface of the inner cavity of the inclined tower column through the bearing platform, supporting force is provided for climbing of the inner mold support and lifting of the inner mold, and both the transverse telescopic arm and the longitudinal telescopic arm can adapt to the change of the section of the inner cavity of the inclined tower column; in addition, because the inner mold support is always positioned in the center of the inner cavity of the inclined tower column, the transverse moving platform and the bearing platform support can be transversely adjusted, and the transverse moving platform and the bearing platform can be ensured to be positioned in the center of the inner cavity of the inclined tower column when being initially installed.
In the above technical solution, as shown in fig. 4 to 6, the bearing platform 500 includes a frame formed by splicing a transverse main beam 510 and a longitudinal main beam 520, the transverse main beam 510 is provided with an upper chamber 511 and a lower chamber 512 which are two layers, one end of the upper chamber 511 and one end of the lower chamber 512 are open, the opening directions of the upper chamber 511 and the lower chamber 512 are opposite, the open ends of the upper chamber 511 and the lower chamber 512 are slidably sleeved with a transverse telescopic arm 530, and a transverse telescopic cylinder 550 is fixedly connected between the transverse telescopic arm 530 and the transverse main beam 510; the end of the longitudinal main beam 520 is slidably sleeved with a longitudinal telescopic arm 540, and a longitudinal telescopic cylinder 560 is fixedly connected between the longitudinal telescopic arm 540 and the longitudinal main beam 520.
In the above technical solution, as shown in fig. 7, an anchoring device 700 is pre-embedded on a wall surface 1200 of an inner cavity of an oblique tower column, a transverse tightening screw 531 abutting against the wall surface 1200 of the inner cavity of the oblique tower column is connected to an end of a transverse telescopic arm 530 through a thread, a vertical supporting screw 532 is connected to the transverse telescopic arm 530 through a vertical thread, and the vertical supporting screw 532 is supported on the anchoring device 700; a longitudinal tightening screw 541 abutting against the inner wall surface 1200 of the leaning tower is screwed to an end of the longitudinal telescopic arm 540. Like this, when the centre form support is fixed motionless, when load-bearing platform need climb up, at first adjust horizontal top tight screw rod and vertical top tight screw rod make load-bearing platform remove with the supporting role of oblique tower column inner chamber wall, because oblique tower column inner chamber wall has certain inclination on horizontal, consequently after climbing is accomplished, adjust the flexible volume of horizontal flexible arm and vertical flexible arm respectively through horizontal flexible hydro-cylinder and vertical flexible hydro-cylinder and make horizontal top tight screw rod and vertical top tight screw rod butt oblique tower column inner chamber wall again, then make vertical supporting screw support on the anchor of target height department.
In the above technical solution, as shown in fig. 2 to 3, the traverse platform 400 is a rectangular frame structure, the inner side of the traverse platform 400 is detachably connected to the inner mold support 300 through a positioning pin shaft 410, the inner side of the traverse platform 400 is further fixedly provided with a limiting roller 420 in rolling fit with the inner mold support 300, the upper end of the traverse platform 400 is fixedly provided with a box climbing support 460 connected to a climbing device, the lower end of the traverse platform 400 is transversely provided with a slider 440, the longitudinal two side edges of the lower end surface of the traverse platform 400 are provided with limiting hooks 430, the limiting hooks 430 are in clamping connection with the longitudinal two side edges of the transverse girder 510 for limiting, and a transverse translation cylinder 450 is fixedly connected between the traverse platform. Therefore, when the inner mold support climbs, the connection between the positioning pin shaft and the inner mold support is released, and the relative sliding is realized through the rolling fit of the limiting idler wheel and the inner mold support; meanwhile, when the whole device is installed for the first time and climbing is completed every time, the inner die support, the transverse moving platform and the bearing platform are all kept at the center of the inner cavity of the inclined tower column in the transverse direction and the longitudinal direction, and the position of the transverse moving platform can be adjusted through the transverse moving oil cylinder.
Claims (5)
1. The utility model provides an automatic positioning bearing platform of leaning tower post inner chamber which characterized in that: including establishing sideslip platform (400) in interior mode support (300) outside at the cover, sideslip platform (400) with the rigid coupling can be dismantled in interior mode support (300), sideslip platform (400) lower extreme sliding connection has load-bearing platform (500), sliding connection has horizontal flexible arm (530) and vertical flexible arm (560) of being connected can be dismantled with oblique pylon inner chamber wall (1200) respectively to load-bearing platform (500) horizontal both sides and vertical both sides.
2. The automatic positioning and bearing platform for the inner cavity of the leaning tower column according to claim 1, wherein: load-bearing platform (500) include the frame that forms by horizontal girder (510) and vertical girder (520) concatenation, horizontal girder (510) are equipped with upper and lower two-layer last cavity (511) and lower cavity (512), go up cavity (511) with cavity (512) one end opening and opening opposite direction down.
3. The automatic positioning and bearing platform for the inner cavity of the leaning tower column according to claim 2, wherein: the open ends of the upper chamber (511) and the lower chamber (512) are slidably sleeved with the transverse telescopic arm (530), and a transverse telescopic oil cylinder (550) is fixedly connected between the transverse telescopic arm (530) and the transverse main beam (510); the end part of the longitudinal main beam (520) is in sliding sleeve connection with the longitudinal telescopic arm (540), and a longitudinal telescopic oil cylinder (560) is fixedly connected between the longitudinal telescopic arm (540) and the longitudinal main beam (520).
4. The automatic positioning and bearing platform for the inner cavity of the leaning tower column according to claim 3, wherein: an anchoring device (700) is pre-buried on the wall surface (1200) of the inner cavity of the oblique tower column, a transverse tightening screw (531) which is abutted to the wall surface (1200) of the inner cavity of the oblique tower column is in threaded connection with the end part of the transverse telescopic arm (530), a vertical supporting screw (532) is in vertical threaded connection with the transverse telescopic arm (530), and the vertical supporting screw (532) is supported on the anchoring device (700); the end part of the longitudinal telescopic arm (540) is in threaded connection with a longitudinal jacking screw rod (541) which is abutted against the inner cavity wall surface (1200) of the inclined tower column.
5. The automatic positioning and bearing platform for the inner cavity of the leaning tower column according to claim 4, wherein: the transverse moving platform (400) is of a rectangular frame structure, the inner side of the transverse moving platform (400) is detachably connected with the inner die support (300) through a positioning pin shaft (410), a limiting roller (420) in rolling fit with the inner die support (300) is further fixedly arranged on the inner side of the transverse moving platform (400), a sliding block (440) is transversely arranged at the lower end of the transverse moving platform (400), limiting clamping hooks (430) are arranged at the edges of the two longitudinal sides of the lower end face of the transverse moving platform (400), the limiting clamping hooks (430) are clamped and limited at the edges of the two longitudinal sides of the transverse main beam (510), and a transverse moving oil cylinder (450) is fixedly connected between the transverse moving platform (400) and the transverse main beam (510).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910973761.8A CN110644373B (en) | 2019-10-14 | 2019-10-14 | Automatic positioning bearing platform for inner cavity of inclined tower column |
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|---|---|---|---|
| CN201910973761.8A CN110644373B (en) | 2019-10-14 | 2019-10-14 | Automatic positioning bearing platform for inner cavity of inclined tower column |
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| CN110644373A true CN110644373A (en) | 2020-01-03 |
| CN110644373B CN110644373B (en) | 2021-08-17 |
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