CN109267492B - Construction platform connection system installation device and method - Google Patents
Construction platform connection system installation device and method Download PDFInfo
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- CN109267492B CN109267492B CN201811211287.7A CN201811211287A CN109267492B CN 109267492 B CN109267492 B CN 109267492B CN 201811211287 A CN201811211287 A CN 201811211287A CN 109267492 B CN109267492 B CN 109267492B
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- distribution beam
- steel
- connecting system
- steel pipe
- adjusting mechanism
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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
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- Conveying And Assembling Of Building Elements In Situ (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses a construction platform connection system installation device and a method, wherein the installation device comprises a horizontally arranged support mechanism and a vertically arranged adjusting mechanism; the supporting mechanism is provided with a first lifting lug and is used for supporting two adjacent steel pipe piles of the construction platform; the bottom end of the adjusting mechanism is fixed on the connecting system, the top end of the adjusting mechanism penetrates through the supporting mechanism, and the top end of the adjusting mechanism can move up and down to adjust the position of the connecting system in the vertical direction. The mounting device provided by the invention can improve the utilization efficiency of the floating crane and is beneficial to welding construction of a connection system.
Description
Technical Field
The invention relates to the field of construction of a connection system of a construction platform of water engineering, in particular to a construction platform connection system installation device and a method for installing the connection system by adopting the installation device.
Background
In large-scale water engineering construction such as bridge construction across water areas, a water construction platform is generally required to be built during the construction of pile foundations and bearing platforms, and in addition, temporary trestles are required to be built for some projects to provide temporary passages for water engineering projects. The construction platform or trestle on water is generally composed of steel pipe piles, inter-pile connection systems, military beams or Bailey beams and pavement panels. When the connection system between the piles above the water surface is constructed, a floating crane is generally adopted to convey the connection system between two steel pipe piles, then the connection system is welded or bolted with the steel pipe piles, after the connection construction is finished, the floating crane loosens the hook, and then other connection systems are constructed in the same way. The working mode needs the floating crane to always lift the connection system in the construction process of the connection system, the occupied floating crane time is long, and the utilization efficiency of the floating crane is low. Meanwhile, the floating crane has larger fluctuation due to the influence of wind and waves in offshore operation, and the welding construction of the connection system is also influenced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a construction platform connecting system installation device to improve the utilization efficiency of a floating crane and facilitate the welding construction of a connecting system.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a construction platform coupling system installation apparatus comprising:
the horizontally arranged supporting mechanism is used for supporting two adjacent steel pipe piles of the construction platform and is provided with a first lifting lug;
the bottom end of the vertically arranged adjusting mechanism is fixed on the connecting system, the top end of the vertically arranged adjusting mechanism penetrates through the supporting mechanism, and the top end of the adjusting mechanism can move up and down to adjust the position of the connecting system in the vertical direction.
Further, the adjustment mechanism includes:
the top end of the steel sling passes through the supporting mechanism, and the bottom end of the steel sling is fixed on the connecting system;
and the pushing mechanism is arranged on the supporting mechanism and is used for pushing the steel hanging strip to move up and down.
Furthermore, the adjusting mechanism also comprises an upper distribution beam which is arranged at the top end of the pushing mechanism; the steel sling is fixed on the upper distribution beam.
Furthermore, a plurality of first holes are formed in the steel hanging belt at intervals along the length direction of the steel hanging belt;
the adjusting mechanism further comprises a lower-layer distribution beam arranged on the supporting mechanism, and the pushing mechanism is arranged on the lower-layer distribution beam; and a second hole matched with the first hole is formed in the lower distribution beam.
Furthermore, a plurality of cushion blocks are arranged between the pushing mechanism and the lower distribution beam.
Further, the mounting device also comprises a ladder stand which is arranged on the support means and is intended for an operator to lower onto the coupling system.
The invention also provides a method for installing the connecting system by adopting the installation device, which comprises the following steps:
connecting the adjustment mechanism to a linkage;
hoisting the supporting mechanism to two adjacent steel pipe piles of the construction platform to enable the connecting system to be located between the two steel pipe piles;
adjusting the linkage to a design position by the adjustment mechanism;
and welding the connecting system on the two steel pipe piles.
Further, after the connecting system is welded on the two steel pipe piles, the method further comprises the steps of releasing the connection between the adjusting mechanism and the connecting system and removing the mounting device.
The invention also provides a method for installing the connecting system by adopting the installation device, which comprises the following steps:
connecting the steel sling to a linkage;
hoisting the supporting mechanism to two adjacent steel pipe piles of the construction platform to enable the connecting system to be located between the two steel pipe piles;
adjusting the linkage system to a design position by the pushing mechanism;
and welding the connecting system on the two steel pipe piles.
Further, adjusting the coupling system to a design position by the ejector mechanism further comprises the steps of:
when the distance of the connection system to be adjusted exceeds the stroke of the pushing mechanism, the steel sling is fixed with the lower distribution beam, a cushion block is added or removed between the pushing mechanism and the lower distribution beam, the pushing mechanism is used for pushing the upper distribution beam, the fixation between the steel sling and the lower distribution beam is released, and the connection system is continuously adjusted to a designed position through the pushing mechanism.
Compared with the prior art, the invention has the advantages that:
(1) according to the mounting device provided by the invention, when the mounting device is used, the adjusting mechanism is connected with the connecting system, and the mounting device is integrally lifted to enable the supporting mechanism to be supported at the top of the steel pipe pile through the floating crane, so that the floating crane can be unhooked from the mounting device to perform other operations, and the problem that the connecting system needs to be lifted for a long time in the conventional method is avoided, and the utilization efficiency of the floating crane is improved; because the supporting mechanism is supported at the top of the steel pipe pile instead of being hoisted by the floating crane, the welding construction of the connection system can be prevented from being influenced by the fluctuation of sea storms when the floating crane is adopted.
(2) Compared with the floating crane bearing, the mounting device provided by the invention has the advantages that the supporting mechanism is more stably supported on the top of the steel pipe pile, and the connection system is adjusted through the adjusting mechanism, so that the connection system and the steel pipe pile are more accurately and conveniently aligned, and the welding construction of the connection system is facilitated.
Drawings
FIG. 1 is a schematic elevation view of a construction platform coupling system installation apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a construction platform connection system installation apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a support mechanism according to an embodiment of the present invention;
FIG. 4 is a schematic view of a connection plate provided in an embodiment of the present invention;
fig. 5 is a schematic cross-sectional view of the connection between the ladder and the support mechanism according to the embodiment of the present invention.
In the figure: 1. a support mechanism; 10. a first lifting lug; 2. an adjustment mechanism; 20. a steel sling; 200. a first hole; 21. a pushing mechanism; 22. an upper distribution beam; 23. a lower distribution beam; 24. cushion blocks; 25. a connecting plate; 250. a third aperture; 3. steel pipe piles; 4. a linkage system; 40. a second lifting lug; 5. the ladder is climbed.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1 and 2, an embodiment of the present invention provides a construction platform connection system installation apparatus, including a horizontally disposed support mechanism 1 and a vertically disposed adjustment mechanism 2; the supporting mechanism 1 is provided with a first lifting lug 10 (shown in figure 3), the supporting mechanism 1 can be lifted by a floating crane, when in use, the supporting mechanism 1 is supported on two adjacent steel pipe piles 3 of a construction platform, the supporting mechanism 1 adopts a carrying pole beam, the carrying pole beam is composed of two back-to-back section steels, and the two section steels are arranged at intervals; the bottom end of the adjusting mechanism 2 is fixed on the connecting system 4, the top end of the adjusting mechanism passes through the supporting mechanism 1, and the top end of the adjusting mechanism 2 can move up and down to adjust the position of the connecting system 4 in the vertical direction.
According to the mounting device provided by the invention, when the mounting device is used, the adjusting mechanism is connected with the connecting system, and the mounting device is integrally lifted to enable the supporting mechanism to be supported at the top of the steel pipe pile through the floating crane, so that the floating crane can be unhooked from the mounting device to perform other operations, and the problem that the connecting system needs to be lifted for a long time in the conventional method is avoided, and the utilization efficiency of the floating crane is improved; because the supporting mechanism is supported at the top of the steel pipe pile instead of being hoisted by the floating crane, the welding construction of the connection system can be prevented from being influenced by the fluctuation of sea storms when the floating crane is adopted.
Compared with the floating crane bearing, the mounting device provided by the invention has the advantages that the supporting mechanism is more stably supported on the top of the steel pipe pile, and the connection system is adjusted through the adjusting mechanism, so that the connection system and the steel pipe pile are more accurately and conveniently aligned.
Referring to fig. 1 and 2, the adjusting mechanism 2 comprises a steel sling 20 and a pushing mechanism 21; the top end of the steel sling 20 passes through the supporting mechanism 1, and the bottom end is fixed on the connecting system 4; the pushing mechanism 21 is disposed on the supporting mechanism 1 and is used for pushing the steel sling 20 to move up and down, in this embodiment, the pushing mechanism is a jack.
As shown in fig. 1 and fig. 2, for further refinement, the adjusting mechanism 2 further includes an upper distribution beam 22, the upper distribution beam 22 is disposed at the top end of the pushing mechanism 21, the upper distribution beam 22 is composed of two section steels back to back, the section steels are spaced apart from each other, as with the two section steels spaced apart from each other constituting the supporting mechanism 1, both the section steels are used for the steel sling 20 to pass through, and a pin shaft hole is formed in a web plate of the section steel; the steel sling 20 is fixed on the upper distribution beam 22 through a pin shaft arranged on a pin shaft hole of the steel section web plate in a penetrating way.
As shown in fig. 2, for further refinement, a plurality of first holes 200 are formed in the steel sling 20 at intervals along the length direction thereof; the adjusting mechanism 2 also comprises a lower distribution beam 23 arranged on the supporting mechanism 1, and the pushing mechanism 21 is arranged on the lower distribution beam 23; the lower distribution beam 23 is the same as the upper distribution beam 22 and is composed of section steel arranged at intervals, a second hole matched with the first hole 200 is formed in a section steel web plate of the lower distribution beam 23, and a plurality of cushion blocks 24 are arranged between the pushing mechanism 21 and the lower distribution beam 23.
Referring to fig. 1 and 4, the adjusting mechanism 2 further includes a connecting plate 25, third holes 250 are formed at two ends of the connecting plate 25, a second lifting lug 40 is welded on the upper chord of the connecting system 4, the second lifting lug 40 and the steel sling 20 are located on the same vertical line, two ends of the connecting plate 25 are respectively connected with the steel sling 20 and the connecting system 4 through pin shafts, and when the mounting device is subsequently removed, the connecting plate 25 and the second lifting lug 40 are directly disconnected.
As shown in fig. 5, the installation device further comprises a ladder 5, which ladder 5 is arranged on the support means 1 and is intended for the operator to lower onto the coupling system 4.
The embodiment of the invention also provides a method for installing the connecting system by adopting the installation device, which comprises the following steps:
s1: connecting the adjusting mechanism 2 with the connecting system 4;
s2: hoisting the supporting mechanism 1 to two adjacent steel pipe piles 3 of the construction platform, and enabling the connecting system 4 to be located between the two steel pipe piles 3;
s3: adjusting the connecting system 4 to a designed position through the adjusting mechanism 2;
s4: and welding the connecting system 4 on the two steel pipe piles 3.
S5: the adjustment mechanism 2 is disconnected from the coupling system 4 and the mounting device is removed.
The embodiment of the invention provides a method for specifically installing a connecting system, which comprises the following steps:
s10: and after the manufacturing of the land precast yard is finished, the connecting system 4 is welded with a second lifting lug 40 on the upper surface of the upper chord member thereof and is transported to the position of the construction platform to be installed.
S20: and welding the lower distribution beam 23 on the upper surface of the support mechanism 1 at a position corresponding to the position of the second lifting lug 40.
S30: placing a cushion block 24 on the top surface of the lower distribution beam 23 at the position of the pushing mechanism 21, installing the pushing mechanism 21 on the top surface of the cushion block 24, and adjusting the stroke of the pushing mechanism 21 until the top surfaces of all the pushing mechanisms 21 are positioned on the same plane.
S40: the upper distribution beam 22 is placed on the top surface of the pushing mechanism 21. And (3) enabling the steel sling 20 to penetrate through the upper-layer distribution beam 22, the lower-layer distribution beam 23 and the section steel gaps of the supporting mechanism 1, and fixing the top end of the steel sling 20 on the upper-layer distribution beam 22 by using a pin shaft.
S50: one end of the connecting plate 25 is connected with the second lifting lug 40 by a pin shaft, and the other end is connected with the bottom end of the steel lifting strip 20. The length between the pin shaft connected with the upper distribution beam 22 at the upper part of the steel sling 20 and the pin shaft connected with the connecting plate 25 at the lower part of the steel sling 20 meets the following conditions as far as possible: after the installation device and the connecting system 4 are integrally lifted and the two ends of the supporting mechanism 1 are placed on the top of the steel pipe pile 3, the connecting system 4 is approximately located at the designed vertical position.
S60: the top of the steel pipe pile 3 to be provided with the connection system 4 is cleaned, the floating crane lifting hook penetrates through the first lifting lug 10, the installation device and the connection system 4 are integrally lifted, two ends of the support mechanism 1 are placed on the top of the steel pipe pile 3 after lofting alignment, and the floating crane is loose in hook.
S70: the upper bending part of the ladder stand 5 is hung on the supporting mechanism 1, an operator goes down to the position of the connecting system 4 through the ladder stand 5, and commands the upper operator to adjust the pushing mechanism 21 to ascend or descend until the connecting system 4 is adjusted to the designed position, and then welding construction is carried out. If the distance that the connection system 4 needs to ascend or descend exceeds the stroke of the pushing mechanism 21, in the process of upward or downward adjustment of the pushing mechanism 21, when the first hole 200 on the steel sling 20 is aligned with the second hole on the web plate of the lower distribution beam 23, the adjustment of the pushing mechanism 21 is stopped, the steel sling 20 and the lower distribution beam 23 are temporarily fixed by using a pin shaft, after a plurality of cushion blocks 24 are added or removed below the pushing mechanism 21, the upper distribution beam 22 is supported by using the pushing mechanism 21, the pin shaft used for temporarily fixing the steel sling 20 and the lower distribution beam 23 is pulled out, and the pushing mechanism 21 is continuously adjusted until the connection system 4 is aligned.
S80: after the connecting system 4 is welded, the pin shaft between the connecting plate 25 and the second lifting lug 40 on the connecting system 4 is pulled out, the ladder stand 5 is removed, and other constructions are carried out after the floating crane lifts the device.
The present invention is not limited to the above-described embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements are also considered to be within the scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (6)
1. A construction platform coupling system installation device, comprising:
the horizontally arranged supporting mechanism (1) is used for supporting two adjacent steel pipe piles (3) of the construction platform, and a first lifting lug (10) is arranged on the horizontally arranged supporting mechanism;
the bottom end of the vertically arranged adjusting mechanism (2) is fixed on the connecting system (4), the top end of the vertically arranged adjusting mechanism penetrates through the supporting mechanism (1), and the top end of the adjusting mechanism (2) can move up and down to adjust the position of the connecting system (4) in the vertical direction;
the adjusting mechanism (2) comprises a steel hanging strip (20) and a pushing mechanism (21);
a steel sling (20) with the top end passing through the supporting mechanism (1) and the bottom end fixed on the connecting system (4);
the pushing mechanism (21) is arranged on the supporting mechanism (1) and is used for pushing the steel hanging strip (20) to move up and down;
the adjusting mechanism (2) further comprises an upper distribution beam (22), and the upper distribution beam (22) is arranged at the top end of the pushing mechanism (21); the steel sling (20) is fixed on the upper layer distribution beam (22);
a plurality of first holes (200) are arranged on the steel hanging strip (20) at intervals along the length direction of the steel hanging strip;
the adjusting mechanism (2) further comprises a lower distribution beam (23) arranged on the supporting mechanism (1), and the pushing mechanism (21) is arranged on the lower distribution beam (23); the lower distribution beam (23) is provided with a second hole matched with the first hole (200);
the adjusting mechanism (2) further comprises a connecting plate (25), third holes (250) are formed in two ends of the connecting plate (25), second lifting lugs (40) are arranged on the upper chord of the connecting system (4), and two ends of the connecting plate (25) are connected with the steel hanging strip (20) and the second lifting lugs (40) of the connecting system (4) through pin shafts respectively;
the mounting device further comprises a ladder (5), wherein the ladder (5) is arranged on the supporting mechanism (1) and is used for an operator to lower onto the connecting system (4).
2. The mounting device of claim 1, wherein: a plurality of cushion blocks (24) are arranged between the pushing mechanism (21) and the lower distribution beam (23).
3. A method of installing a coupling system using the installation apparatus of claim 1, comprising the steps of:
connecting the adjusting mechanism (2) with a connecting system (4);
hoisting the supporting mechanism (1) to two adjacent steel pipe piles (3) of a construction platform, and enabling the connecting system (4) to be located between the two steel pipe piles (3);
adjusting the coupling system (4) to a design position by means of the adjusting mechanism (2);
and welding the connecting system (4) on the two steel pipe piles (3).
4. The method of claim 3, wherein: and after the connecting system (4) is welded on the two steel pipe piles (3), the method also comprises the steps of releasing the connection between the adjusting mechanism (2) and the connecting system (4) and removing the mounting device.
5. A method of installing a coupling system using the installation apparatus of claim 1, comprising the steps of:
connecting the steel sling (20) to a coupling system (4);
hoisting the supporting mechanism (1) to two adjacent steel pipe piles (3) of a construction platform, and enabling the connecting system (4) to be located between the two steel pipe piles (3);
adjusting the coupling system (4) to a design position by the pushing mechanism (21);
and welding the connecting system (4) on the two steel pipe piles (3).
6. The method according to claim 5, wherein adjusting the coupling train (4) to a design position by means of the ejector mechanism (21) further comprises the steps of:
when the distance of the connection system (4) to be adjusted exceeds the stroke of the pushing mechanism (21), the steel hanging strip (20) and the lower-layer distribution beam (23) are fixed, a cushion block (24) is added or removed between the pushing mechanism (21) and the lower-layer distribution beam (23), the upper-layer distribution beam (22) is propped against through the pushing mechanism (21), the fixation between the steel hanging strip (20) and the lower-layer distribution beam (23) is released, and the connection system (4) is continuously adjusted to the designed position through the pushing mechanism (21).
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| CN201811211287.7A CN109267492B (en) | 2018-10-17 | 2018-10-17 | Construction platform connection system installation device and method |
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| CN201811211287.7A CN109267492B (en) | 2018-10-17 | 2018-10-17 | Construction platform connection system installation device and method |
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| CN109267492A CN109267492A (en) | 2019-01-25 |
| CN109267492B true CN109267492B (en) | 2021-04-06 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4219078A1 (en) * | 1992-06-11 | 1993-12-16 | Hochtief Ag Hoch Tiefbauten | Erecting building standing in ground-water - using vertical posts with projecting heads in water-filled pit, shuttering, and hydraulic device to construct and lower foundation unit |
| CN103194976A (en) * | 2013-04-08 | 2013-07-10 | 中冶建工集团有限公司 | Method of lifting steel box beam with steel lifting bands and hydraulic device |
| CN203296050U (en) * | 2013-05-21 | 2013-11-20 | 中交四航局第一工程有限公司 | Lowering construction system of mass concrete cushion cap permanent steel bushing box at sea |
| CN104196000A (en) * | 2014-08-01 | 2014-12-10 | 中国铁建大桥工程局集团有限公司 | Rapid construction method for strong-stormy-wave deep sea underwater connection system |
| CN205917702U (en) * | 2016-06-15 | 2017-02-01 | 中铁港航局集团有限公司 | Whole system of transferring of bridge deep basal pit steel sheet piling cofferdam internal stay |
| CN206267038U (en) * | 2016-08-25 | 2017-06-20 | 中铁五局集团路桥工程有限责任公司 | A kind of Hanging Basket walking defence installation |
-
2018
- 2018-10-17 CN CN201811211287.7A patent/CN109267492B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4219078A1 (en) * | 1992-06-11 | 1993-12-16 | Hochtief Ag Hoch Tiefbauten | Erecting building standing in ground-water - using vertical posts with projecting heads in water-filled pit, shuttering, and hydraulic device to construct and lower foundation unit |
| CN103194976A (en) * | 2013-04-08 | 2013-07-10 | 中冶建工集团有限公司 | Method of lifting steel box beam with steel lifting bands and hydraulic device |
| CN203296050U (en) * | 2013-05-21 | 2013-11-20 | 中交四航局第一工程有限公司 | Lowering construction system of mass concrete cushion cap permanent steel bushing box at sea |
| CN104196000A (en) * | 2014-08-01 | 2014-12-10 | 中国铁建大桥工程局集团有限公司 | Rapid construction method for strong-stormy-wave deep sea underwater connection system |
| CN205917702U (en) * | 2016-06-15 | 2017-02-01 | 中铁港航局集团有限公司 | Whole system of transferring of bridge deep basal pit steel sheet piling cofferdam internal stay |
| CN206267038U (en) * | 2016-08-25 | 2017-06-20 | 中铁五局集团路桥工程有限责任公司 | A kind of Hanging Basket walking defence installation |
Non-Patent Citations (1)
| Title |
|---|
| 水上栈桥及平台施工技术;刘柏浩;《科技信息》;20090515(第298期);第282页 * |
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