CN111593671B - Telescopic full-automatic movable transverse connection device and construction method thereof - Google Patents
Telescopic full-automatic movable transverse connection device and construction method thereof Download PDFInfo
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- CN111593671B CN111593671B CN202010511292.0A CN202010511292A CN111593671B CN 111593671 B CN111593671 B CN 111593671B CN 202010511292 A CN202010511292 A CN 202010511292A CN 111593671 B CN111593671 B CN 111593671B
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- movable cross
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- buckle seat
- hydraulic jack
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- 238000010276 construction Methods 0.000 title claims abstract description 23
- 238000003466 welding Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F19/00—Hoisting, lifting, hauling or pushing, not otherwise provided for
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D4/00—Arch-type bridges
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a telescopic full-automatic movable transverse connection device and a construction method thereof, wherein the device comprises a hinged hydraulic jack, a movable transverse link and a fixed buckle, the hinged hydraulic jack is arranged on a platform of a tower, a first lug plate with a hole is arranged at the end part of a telescopic end of the hinged hydraulic jack, a second lug plate is arranged on the movable transverse link, and the telescopic end of the hinged hydraulic jack is hinged in a mode that the movable transverse link is connected with the first lug plate through the second lug plate; one end of the movable cross joint is arranged on an upright post at the inner side of the tower through a hinged support, the other end of the movable cross joint is provided with a fixed buckle, the fixed buckle comprises a fastening buckle seat and a fixed buckle seat, the fastening buckle seat is arranged on the movable cross joint, the fixed buckle seat is arranged on another upright post of the tower, and the other upright post of the tower is opposite to the upright post of the tower where the hinged support is located. The device can provide movable transverse connection, so that the heavy objects can pass through when the heavy objects are hoisted, the transverse connection can be fixed after hoisting is finished, and the construction method is simple and easy to operate.
Description
Technical Field
The invention relates to the technical field of integral hoisting construction of arch segments in arch bridge construction, in particular to a telescopic full-automatic movable transverse connection device and a construction method thereof.
Background
In the arch bridge construction process, the temporary tower is a very common construction temporary structure, and is mainly used for hoisting heavy objects in the construction process. To improve the dimensional stability of the tower, it is often necessary to provide a transverse link. The common transverse connection is usually fixed, so that the trafficability characteristic is very poor when the heavy object is hoisted, and the construction progress and the construction safety are affected. Therefore, it is important to provide a movable transverse connection which can meet the requirement of the overall stability of the tower and the trafficability of the hoisting weight.
Disclosure of Invention
In view of the above, it is necessary to provide a telescopic full-automatic movable transverse connection device and a construction method thereof, so as to provide movable transverse connection, enable the heavy objects to pass through when the heavy objects are hoisted, and fix the transverse connection after hoisting is finished, thereby meeting the requirement of space stability of the tower.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
The telescopic full-automatic movable transverse connection device comprises a hinged hydraulic jack, a movable transverse link and a fixed buckle, wherein the hinged hydraulic jack is arranged on a platform of a tower, a first lug plate with a hole is arranged at the end part of a telescopic end of the hinged hydraulic jack, a second lug plate is arranged on the movable transverse link, and the telescopic end of the hinged hydraulic jack is hinged in a mode that the movable transverse link is connected with the first lug plate through the second lug plate; one end of the movable cross joint is arranged on an upright post at the inner side of the tower through a hinged support, and the hinged support is positioned right above the hinged hydraulic jack and at one side of the telescopic end of the hinged hydraulic jack, which is stretched when the telescopic end of the hinged hydraulic jack is at the maximum retraction amount, at the moment, the movable cross joint is in a vertical state; the fixed buckle comprises a fastening buckle seat and a fixed buckle seat, wherein the fastening buckle seat is arranged on the movable cross joint, two ends of the fastening buckle seat in the radial direction of the movable cross joint are positioned on two opposite sides of the movable cross joint, the two ends are provided with a plurality of round holes, the fixed buckle seat is positioned on another tower column, the other tower column is opposite to the tower column where the hinged support is positioned, a bolt hole corresponding to the round hole is formed in the fixed buckle seat, the fixed buckle seat is opposite to the fastening buckle seat when the movable cross joint is driven to a horizontal position by a hinged hydraulic jack, at the moment, a through hole of the fixed buckle seat is opposite to the bolt hole of the fastening buckle seat, and the fixed buckle seat and the fastening buckle seat are connected with each other in a mode of connecting the bolt hole and the round hole in series.
Preferably, the movable cross-link is of a telescopic structure, the fixed section of the movable cross-link is connected with the hinged support, the second lug plate is arranged, and the telescopic section of the movable cross-link is provided with the fastening buckle seat.
Preferably, the movable cross-linked is of a double-layer hollow steel pipe structure.
Preferably, the first and second ear panels are hinged by a high strength bolt.
Preferably, the fixing buckle seat and the fastening buckle seat are fixed in a welding mode after being connected.
Based on the above, the invention also provides a construction method of the telescopic full-automatic movable transverse connection device, which comprises the following steps:
(1) A hinged support is arranged on an upright post at the inner side of the tower, a fixed buckling seat is arranged on the upright post opposite to the upright post, and a movable cross link is fixed on the upright post through the hinged support;
(2) A hinged hydraulic jack is arranged on a platform of the tower, and the telescopic end of the hinged hydraulic jack is positioned at one side of the hinged support;
(3) The first lug plate of the hinged hydraulic jack is connected with the second lug plate of the movable cross link through a high-strength bolt;
(4) When the elevation of the bottom of the hoisting arch section is higher than that of the movable cross-linked hinged support, loading the hinged hydraulic jack, pushing the movable cross-linked to rotate by the hinged hydraulic jack, and stopping loading the hinged hydraulic jack after the movable cross-linked is in a horizontal state;
(5) Extending the movable cross joint until a fastening buckle seat at one end of the movable cross joint reaches a fixed buckle seat, aligning a round hole on the fastening buckle seat with a bolt hole on the fixed buckle seat, and simultaneously inserting a bolt into the round hole and the bolt hole to fix the fastening buckle seat and the fixed buckle seat; and finally, fully welding the contact parts of the bolt fastening seat and the fixed fastening seat of the movable cross joint to be firmly welded.
Compared with the prior art, the invention has the following beneficial effects:
1. The transverse connection device designed by the invention is used for lapping the transverse connection of the portal tower frames, is particularly suitable for the hoisting construction process of the arch sections of the steel pipe arch bridge, can timely build the transverse connection between the tower frames after the lifting of the arch sections, and improves the overall stability of the tower frames; meanwhile, the device has simple structure and higher accuracy.
2. The invention can meet the requirement of the overall stability of the tower and the trafficability requirement of the hoisting weight, thereby improving the construction progress and the construction safety.
Drawings
Fig. 1 is a schematic diagram of the initial state of the device.
Fig. 2 is a schematic diagram of the use state of the device.
Fig. 3 is a schematic view of the articulation of the first and second ear panels.
FIG. 4 is a schematic view of the mating of the fastening buckle and the bolting buckle.
Fig. 5 is a schematic diagram of the operation of the device, wherein the red color of the diagram indicates the movable horizontal link, and the green color at the horizontal position indicates the horizontal link in an uninstalled state, i.e., a vertical state, and the red color indicates the horizontal link in an installed state, i.e., a horizontal state.
Description of the main reference signs
In the figure: the hydraulic jack comprises a hinged hydraulic jack 1, a movable cross-piece 2, a hinged support 3, a first lug plate 4, a second lug plate 5, a high-strength bolt 6, a fixed buckling seat 7, a fastening buckling seat 8 and a stand column 9.
The invention will be further described in the following detailed description in conjunction with the above-described figures.
Detailed Description
Referring to fig. 1 to 5, in a preferred embodiment of the present invention, a telescopic full-automatic movable transverse connection device includes a hinged hydraulic jack 1, a movable transverse link 2 and a fixed buckle, wherein the hinged hydraulic jack 1 is mounted on a platform of a tower, a first lug plate 4 with a hole is mounted at an end of a telescopic end of the hinged hydraulic jack, a second lug plate 5 is mounted on the movable transverse link 2, and the telescopic end of the hinged hydraulic jack 1 is hinged in a manner that the movable transverse link 2 is connected with the first lug plate 4 through the second lug plate 5; preferably, in the present embodiment, the first ear plate 4 and the second ear plate 5 are hinged by a high strength bolt 6. One end of the movable cross-over 2 is arranged on an upright post 9 at the inner side of the tower through a hinged support 3, the hinged support 3 is positioned right above the hinged hydraulic jack 1 and is positioned at one side of the telescopic end of the hinged hydraulic jack 1, which stretches when the telescopic end is at the maximum retraction amount, at the moment, the movable cross-over 2 is in a vertical state, in this state, the upright post 9 where the hinged support 3 is positioned and the upright post opposite to the upright post form a vertical passage, and a lifting weight can ascend through the vertical passage. The other end of the movable cross joint 2 is provided with a fixed buckle, the fixed buckle comprises a fastening buckle seat 8 and a fixed buckle seat 7, the fastening buckle seat 8 is arranged on the movable cross joint 2, two ends of the fastening buckle seat 8 in the radial direction of the movable cross joint 2 are positioned on two opposite sides of the movable cross joint 2, the two ends are provided with a plurality of round holes, the fixed buckle seat 7 is positioned on another tower column 9, the other tower column 9 is positioned on the opposite side of the tower column 9 where the hinged support 3 is positioned, the fixed buckle seat 7 is provided with a bolt hole corresponding to the round hole, the fixed buckle seat 7 is opposite to the fastening buckle seat 8 when the movable cross joint 2 is driven to a horizontal position by the hinged hydraulic jack 1, at the moment, the through hole of the fixed buckle seat 7 is opposite to the bolt hole of the fastening buckle seat 8, the fixed buckle seat 7 and the fastening buckle seat 8 are connected with each other in a mode of the bolt serial hole and the round hole, the movable cross joint 2 is fixed horizontally, and the hoisting safety and stability are enhanced. Preferably, the fixing buckle seat 7 and the fastening buckle seat 8 are fixed in a welding mode after being connected.
Preferably, in order to facilitate the placement and horizontal fixation of the movable cross-section 2 when vertical, the movable cross-section 2 is of a telescopic structure, the fixed section of the movable cross-section 2 is connected with the hinge support 3 and is provided with the second ear plate 5, and the telescopic section of the movable cross-section 2 is provided with the fastening buckle seat 8, that is, after the movable cross-section 2 is driven to be horizontal, the movable cross-section 2 is stretched, so that the fastening buckle seat 8 is aligned with the fixed buckle seat 7. Further preferably, the movable cross-over connection 2 is of a double-layer hollow steel pipe structure.
Based on the above, the invention also provides a construction method of the telescopic full-automatic movable transverse connection device, which comprises the following steps:
(1) A hinged support 3 is arranged on a column 9 at the inner side of the tower, a fixed buckle seat 7 is arranged on the column opposite to the column 9, and the movable cross-over 2 is fixed on the column 9 through the hinged support 3;
(2) A hinged hydraulic jack 1 is arranged on a platform of the tower, and the telescopic end of the hinged hydraulic jack 1 is positioned at one side of a hinged support 3;
(3) The first lug plate 4 on the hinged hydraulic jack 1 is connected with the second lug plate 5 on the movable cross-link 2 through a high-strength bolt 6;
(4) When the elevation of the bottom of the hoisting arch section is higher than that of the hinged support 3 of the movable cross-linked 2, loading the hinged hydraulic jack 1, pushing the movable cross-linked 2 to rotate by the hinged hydraulic jack 1, and stopping loading the hinged hydraulic jack 1 after the movable cross-linked 2 is in a horizontal state;
(5) Extending the movable cross-linked 2 until a fastening buckle seat 8 at one end of the movable cross-linked 2 reaches a fixed buckle seat 7, aligning a round hole on the fastening buckle seat 8 with a bolt hole on the fixed buckle seat 7, and simultaneously inserting a bolt into the round hole and the bolt hole to fix the fastening buckle seat 8 and the fixed buckle seat 7; and finally, fully welding the contact parts of the bolt fastening seat and the fixed fastening seat 7 of the movable cross-linked 2 to be firmly welded.
When the hinged hydraulic jack 1 is loaded in the step (4), the minimum thrust force F s, the stroke S s and the horizontal included angle θ j and the transverse included angle θ p of the hinged hydraulic jack 1 are in accordance with the following relationship:
wherein G is the gravity of the suspender, h is the height difference between the rotating hinge of the jack 1 and the transverse connection rotating hinge, and c is the transverse distance from the rotating hinge of the jack 1 to the lug hole of the jack head.
From equations (1) and (2), the relationship between stroke F s and piston stroke S s can be derived:
In summary, the device provided by the invention is used for transverse connection erection of the tower in the arch section hoisting construction, can bring convenience to hoisting of the arch section, and simultaneously gives consideration to the stability of the portal tower and provides safety guarantee for the construction process. The device and the construction method have the advantages of low cost, short construction period and easy operation, are less influenced by site factors, and have better popularization.
The foregoing description is directed to the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the invention, and all equivalent changes or modifications made under the technical spirit of the present invention should be construed to fall within the scope of the present invention.
Claims (3)
1. A retractable full-automatic movable transverse contact device, which is characterized in that: the movable cross-linked hydraulic lifting device comprises a hinged hydraulic jack, a movable cross-linked and a fixed buckle, wherein the hinged hydraulic jack is arranged on a platform of a tower, a first lug plate with a hole is arranged at the end part of a telescopic end of the hinged hydraulic jack, a second lug plate is arranged on the movable cross-linked, and the telescopic end of the hinged hydraulic jack is hinged in a mode that the second lug plate is connected with the first lug plate; one end of the movable cross joint is arranged on an upright post at the inner side of the tower through a hinged support, and the hinged support is positioned right above the hinged hydraulic jack and at one side of the telescopic end of the hinged hydraulic jack, which is stretched when the telescopic end of the hinged hydraulic jack is at the maximum retraction amount, at the moment, the movable cross joint is in a vertical state; the other end of the movable cross joint is provided with a fixed buckle, the fixed buckle comprises a fastening buckle seat and a fixed buckle seat, the fastening buckle seat is arranged on the movable cross joint, two ends of the fastening buckle seat in the radial direction of the movable cross joint are positioned on two opposite sides of the movable cross joint, the two ends of the fastening buckle seat are provided with a plurality of round holes, the fixed buckle seat is positioned on the other tower upright, the other tower upright is opposite to the tower upright where the hinged support is positioned, the fixed buckle seat is provided with a bolt hole corresponding to the round hole, the fixed buckle seat is opposite to the fastening buckle seat when the movable cross joint is driven to a horizontal position by a hinged hydraulic jack, at the moment, the through hole of the fixed buckle seat is opposite to the bolt hole of the fastening buckle seat, and the fixed buckle seat and the fastening buckle seat are mutually connected in a mode of connecting the bolt hole and the round hole in series;
The movable cross joint is of a telescopic structure, the fixed section of the movable cross joint is connected with the hinged support, the second lug plate is arranged on the fixed section of the movable cross joint, and the telescopic section of the movable cross joint is provided with the fastening buckle seat;
The first lug plate is hinged with the second lug plate through a high-strength bolt;
The construction method of the telescopic full-automatic movable transverse connection device comprises the following steps of:
(1) A hinged support is arranged on an upright post at the inner side of the tower, a fixed buckling seat is arranged on the upright post opposite to the upright post, and a movable cross link is fixed on the upright post through the hinged support;
(2) A hinged hydraulic jack is arranged on a platform of the tower, and the telescopic end of the hinged hydraulic jack is positioned at one side of the hinged support;
(3) The first lug plate of the hinged hydraulic jack is connected with the second lug plate of the movable cross link through a high-strength bolt;
(4) When the elevation of the bottom of the hoisting arch section is higher than that of the movable cross-linked hinged support, loading the hinged hydraulic jack, pushing the movable cross-linked to rotate by the hinged hydraulic jack, and stopping loading the hinged hydraulic jack after the movable cross-linked is in a horizontal state;
(5) Extending the movable cross joint until a fastening buckle seat at one end of the movable cross joint reaches a fixed buckle seat, aligning a round hole on the fastening buckle seat with a bolt hole on the fixed buckle seat, and simultaneously inserting a bolt into the round hole and the bolt hole to fix the fastening buckle seat and the fixed buckle seat; and finally, fully welding the contact parts of the bolt fastening seat and the fixed fastening seat of the movable cross joint to be firmly welded.
2. A retractable fully automatic mobile transverse contact as recited in claim 1, wherein: the movable cross-linked is of a double-layer hollow steel pipe structure.
3. A retractable fully automatic mobile transverse contact as recited in claim 1, wherein: the fixed buckling seat and the fastening buckling seat are fixed in a welding mode after being connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010511292.0A CN111593671B (en) | 2020-06-05 | 2020-06-05 | Telescopic full-automatic movable transverse connection device and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010511292.0A CN111593671B (en) | 2020-06-05 | 2020-06-05 | Telescopic full-automatic movable transverse connection device and construction method thereof |
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| CN111593671A CN111593671A (en) | 2020-08-28 |
| CN111593671B true CN111593671B (en) | 2024-07-02 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN212358028U (en) * | 2020-06-05 | 2021-01-15 | 广西交科集团有限公司 | Telescopic full-automatic movable transverse connection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2004019357A (en) * | 2002-06-19 | 2004-01-22 | Mitsubishi Heavy Ind Ltd | Erection method and apparatus for arch bridge |
| CN101476293B (en) * | 2009-01-16 | 2010-10-27 | 广东省长大公路工程有限公司 | Construction Method of Large Bridge Arch Rib Without Support |
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| CN212358028U (en) * | 2020-06-05 | 2021-01-15 | 广西交科集团有限公司 | Telescopic full-automatic movable transverse connection device |
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