CN111549669A - Six-direction adjusting device for bridge and construction method - Google Patents
Six-direction adjusting device for bridge and construction method Download PDFInfo
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- CN111549669A CN111549669A CN202010365937.4A CN202010365937A CN111549669A CN 111549669 A CN111549669 A CN 111549669A CN 202010365937 A CN202010365937 A CN 202010365937A CN 111549669 A CN111549669 A CN 111549669A
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- adjusting device
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- walking platform
- bridge
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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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Abstract
The invention relates to the field of high-altitude assembly of large bridge sections, in particular to a six-direction adjusting device for a bridge; the method is characterized in that: comprises a track, a walking platform and a six-direction precise adjusting device; the six-direction accurate adjusting device consists of a lower front and rear adjusting device, a middle left and right adjusting device and an upper vertical adjusting device; the front and back transportation of the transported bridge sections is realized through the rails and the walking platforms; and the six-direction precise adjustment is carried out on the bridge section through the six-direction precise adjustment device. The walking platform can achieve accurate space adjustment in six directions by itself under the condition of no assistance of hoisting equipment when in place while meeting the requirement of short-distance transportation, and is high in construction efficiency and precision.
Description
Technical Field
The invention relates to the field of high-altitude assembly of large bridge sections, in particular to a six-direction adjusting device for a bridge and a construction method.
Background
The steel has light weight and high strength, and the steel structure is processed and manufactured quickly, so the steel structure is widely applied to a large-span bridge structure. In order to improve the bearing capacity of the bridge and enhance the aesthetic feeling of the bridge, the large-span bridge is often made into an arc shape, so that the high-altitude transportation and assembly of the bridge sections have certain difficulty in the sectional installation process of the large-scale steel bridge. For large bridges across rivers and seas, large blocks are often processed by factories and then installed in place in a ship-borne floating crane mode, but the installation of the overland bridges is limited by land transportation and construction sites, and is usually realized in a field sectional installation mode at present. The large-span bridge is installed in sections and mostly adopts a high-altitude pushing and sliding construction method and a high-altitude walking sliding construction method. However, the high-altitude pushing and sliding is limited by the track, so that the left and right adjustment is inconvenient and the vertical adjustment cannot be carried out; the high-altitude walking sliding usually needs to be started after a plurality of bridge sections are assembled into a whole, and the six-direction adjustment construction is inconvenient and low in efficiency.
Disclosure of Invention
The invention aims to overcome the defects and provides a high-altitude installation method for a large bridge section, which can realize quick high-altitude transportation of the large bridge section within a short distance and realize six-direction space adjustment after the transportation is in place, thereby effectively improving the construction efficiency of the high-altitude installation of the bridge section.
In order to achieve the above object, the present invention is realized by:
a six-direction adjusting device for a bridge comprises a track, a walking platform and a six-direction precise adjusting device; the walking platform consists of a steel frame type welding platform and 8 groups of walking wheels; the six-direction accurate adjusting device consists of a lower front and rear adjusting device, a middle left and right adjusting device and an upper vertical adjusting device; the lower front and rear adjusting device consists of a front and rear jack base, front and rear jack support plates, a front and rear jack, a front and rear sliding clamping plate and a front and rear polytetrafluoroethylene plate; the middle left-right adjusting device consists of a left-right jack base, a left-right jack support plate, a left-right jack, a left-right sliding clamping plate and a left-right polytetrafluoroethylene plate; the upper vertical adjusting device consists of a vertical jack base, a vertical jack baffle and a vertical jack top plate; the front and back transportation of the transported bridge sections is realized through the rails and the walking platforms; and the six-direction precise adjustment is carried out on the bridge section through the six-direction precise adjustment device.
The construction method of the six-direction adjusting device for the bridge comprises the following steps:
step 1, manufacturing a walking platform by adopting H-shaped steel, a steel plate and walking wheels;
step 2, manufacturing a lower front-back adjusting device, a middle left-right adjusting device and an upper vertical adjusting device by adopting a steel plate, a polytetrafluoroethylene plate and a jack;
step 4, mounting the six-direction accurate adjusting device on a walking platform, and hoisting the walking platform to a track;
step 5, pulling the walking platform to a bridge section hoisting position by using a traction rope, and locking the walking platform;
step 6, hoisting the bridge section onto the walking platform, unlocking the walking platform, and transporting the walking platform to the front and back at high altitude through a traction rope;
step 7, locking the walking platform after the transportation is in place;
step 8, adjusting the vertical jack in the upper vertical adjusting device along the up-down direction; the friction coefficient of the polytetrafluoroethylene plate is low, and the left and right adjusting device at the middle part can be freely adjusted in the left and right directions under the action of the jack; the friction coefficient of the polytetrafluoroethylene plate is low, and the lower front-back adjusting device can be freely adjusted in the front-back direction under the action of the jack; thereby ensuring that the six-direction precise space adjustment is carried out on the bridge section by utilizing the six-direction adjusting device;
step 9, after the bridge section is installed in place, the elevation of the vertical jack is lowered, the walking platform is unlocked, and then the walking platform is removed by using a traction rope;
and 10, repeating the steps 5 to 9, and realizing high-altitude six-direction accurate installation construction of a plurality of bridge sections.
The six-direction adjusting device and the construction method thereof provided by the invention have the following advantages:
(1) the walking platform is simple in structure, does not need to be manufactured by a professional manufacturer, can be manufactured on site according to site conditions and the specification and the size of a transportation bridge section, and is convenient to construct;
(2) the walking platform can realize accurate space adjustment in six directions by itself under the condition of no assistance of hoisting equipment when in place while meeting the requirement of short-distance transportation, and has higher construction efficiency and precision;
(3) the operation cost of the device is more obvious than the economic benefits of the traditional walking machine and other equipment, and the construction requirements are met while the project cost is more favorably controlled;
(4) the disassembly and assembly are convenient, and the transportation and the reutilization can be realized by using a platform vehicle.
Drawings
Fig. 1 is a schematic view of the overall structure of the adjusting device according to the present invention.
Fig. 2 is a schematic structural diagram of a six-way adjusting device in the invention.
Fig. 3 is a schematic diagram of a split structure of six adjusting devices in the invention.
Fig. 4 is an exploded perspective view of the lower forward/rearward adjustment apparatus of the present invention.
Fig. 5 is an exploded view of the middle left-right adjusting device of the present invention.
Detailed Description
The invention is further illustrated by the following specific examples.
As shown in fig. 1 to 5, a six-direction precise adjusting device for a bridge comprises a track 1, a walking platform 2 and a six-direction precise adjusting device 3; the walking platform 2 consists of a steel frame type welding platform and 8 groups of walking wheels; the six-direction precise adjusting device 3 consists of a lower front-back adjusting device 31, a middle left-right adjusting device 32 and an upper vertical adjusting device 33; the lower front-rear adjusting device 31 is composed of a front-rear jack base, front-rear jack support plates, a front-rear jack 311, a front-rear sliding clamping plate and front-rear polytetrafluoroethylene plates; the middle left-right adjusting device 32 consists of a left-right jack base, a left-right jack support plate, a left-right jack 321, a left-right sliding clamping plate and a left-right polytetrafluoroethylene plate; the upper vertical adjusting device 33 consists of a vertical jack base, a vertical jack 331, a vertical jack baffle and a vertical jack top plate; the front and back transportation of the transported bridge sections is realized through the rails and the walking platforms; and the six-direction precise adjustment is carried out on the bridge section through the six-direction precise adjustment device.
The construction method of the six-direction precise adjusting device for the bridge comprises the following steps:
step 1, manufacturing a walking platform by adopting H-shaped steel, a steel plate and walking wheels;
step 2, manufacturing a lower front-back adjusting device, a middle left-right adjusting device and an upper vertical adjusting device by adopting a steel plate, a polytetrafluoroethylene plate and a jack;
step 4, mounting the six-direction accurate adjusting device on a walking platform, and hoisting the walking platform to a track;
step 5, pulling the walking platform to a bridge section hoisting position by using a traction rope, and locking the walking platform;
step 6, hoisting the bridge section onto the walking platform, unlocking the walking platform, and transporting the walking platform to the front and back at high altitude through a traction rope;
step 7, locking the walking platform after the transportation is in place;
step 8, adjusting the vertical jack in the upper vertical adjusting device along the up-down direction; the friction coefficient of the polytetrafluoroethylene plate is low, and the left and right adjusting device at the middle part can be freely adjusted in the left and right directions under the action of the jack; the friction coefficient of the polytetrafluoroethylene plate is low, and the lower front-back adjusting device can be freely adjusted in the front-back direction under the action of the jack; thereby ensuring that the six-direction precise space adjustment is carried out on the bridge section by utilizing the six-direction adjusting device;
step 9, after the bridge section is installed in place, the elevation of the vertical jack is lowered, the walking platform is unlocked, and then the walking platform is removed by using a traction rope;
and 10, repeating the steps 5 to 9, and realizing high-altitude six-direction accurate installation construction of a plurality of bridge sections.
The six-direction adjusting device and the construction method thereof provided by the invention have the following advantages:
(1) the walking platform is simple in structure, does not need to be manufactured by a professional manufacturer, can be manufactured on site according to site conditions and the specification and the size of a transportation bridge section, and is convenient to construct;
(2) the walking platform can realize accurate space adjustment in six directions by itself under the condition of no assistance of hoisting equipment when in place while meeting the requirement of short-distance transportation, and has higher construction efficiency and precision;
(3) the operation cost of the device is more obvious than the economic benefits of the traditional walking machine and other equipment, and the construction requirements are met while the project cost is more favorably controlled;
(4) the disassembly and assembly are convenient, and the transportation and the reutilization can be realized by using a platform vehicle.
Claims (2)
1. A six-way adjusting device for a bridge is characterized in that: comprises a track, a walking platform and a six-direction precise adjusting device; the walking platform consists of a steel frame type welding platform and 8 groups of walking wheels; the six-direction accurate adjusting device consists of a lower front and rear adjusting device, a middle left and right adjusting device and an upper vertical adjusting device; the lower front and rear adjusting device consists of a front and rear jack base, front and rear jack support plates, a front and rear jack, a front and rear sliding clamping plate and a front and rear polytetrafluoroethylene plate; the middle left-right adjusting device consists of a left-right jack base, a left-right jack support plate, a left-right jack, a left-right sliding clamping plate and a left-right polytetrafluoroethylene plate; the upper vertical adjusting device consists of a vertical jack base, a vertical jack baffle and a vertical jack top plate; the front and back transportation of the transported bridge sections is realized through the rails and the walking platforms; and the six-direction precise adjustment is carried out on the bridge section through the six-direction precise adjustment device.
2. The construction method of the six-way adjusting device for the bridge as claimed in claim 1, wherein: the method comprises the following steps:
step 1, manufacturing a walking platform by adopting H-shaped steel, a steel plate and walking wheels;
step 2, manufacturing a lower front-back adjusting device, a middle left-right adjusting device and an upper vertical adjusting device by adopting a steel plate, a polytetrafluoroethylene plate and a jack;
step 3, mounting the middle vertical adjusting device on the lower left-right adjusting device, mounting the upper vertical adjusting device on the middle left-right adjusting device, and debugging the upper, lower, left, right, front and rear jacks, thereby completing the manufacture of the six-direction accurate adjusting device;
step 4, mounting the six-direction accurate adjusting device on a walking platform, and hoisting the walking platform to a track;
step 5, pulling the walking platform to a bridge section hoisting position by using a traction rope, and locking the walking platform;
step 6, hoisting the bridge section onto the walking platform, unlocking the walking platform, and transporting the walking platform to the front and back at high altitude through a traction rope;
step 7, locking the walking platform after the transportation is in place;
step 8, adjusting the vertical jack in the upper vertical adjusting device along the up-down direction; the friction coefficient of the polytetrafluoroethylene plate is low, and the left and right adjusting device at the middle part can be freely adjusted in the left and right directions under the action of the jack; the friction coefficient of the polytetrafluoroethylene plate is low, and the lower front-back adjusting device can be freely adjusted in the front-back direction under the action of the jack; thereby ensuring that the six-direction precise space adjustment is carried out on the bridge section by utilizing the six-direction adjusting device;
step 9, after the bridge section is installed in place, the elevation of the vertical jack is lowered, the walking platform is unlocked, and then the walking platform is removed by using a traction rope;
and 10, repeating the steps 5 to 9, and realizing high-altitude six-direction accurate installation construction of a plurality of bridge sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010365937.4A CN111549669A (en) | 2020-04-30 | 2020-04-30 | Six-direction adjusting device for bridge and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010365937.4A CN111549669A (en) | 2020-04-30 | 2020-04-30 | Six-direction adjusting device for bridge and construction method |
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| CN111549669A true CN111549669A (en) | 2020-08-18 |
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| CN202010365937.4A Pending CN111549669A (en) | 2020-04-30 | 2020-04-30 | Six-direction adjusting device for bridge and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111945576A (en) * | 2020-09-04 | 2020-11-17 | 中铁六局集团有限公司 | Bridge line type adjusting device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004238796A (en) * | 2003-02-03 | 2004-08-26 | Kawada Construction Co Ltd | Floor-slab separator |
| CN103306204A (en) * | 2013-06-19 | 2013-09-18 | 中铁四局集团第二工程有限公司 | Three-way positioning device for base steel anchor box |
| CN207685687U (en) * | 2017-11-24 | 2018-08-03 | 江苏中铁山桥重工有限公司 | A kind of bridge big section assembling three-dimensional regulating device |
| KR20180102270A (en) * | 2017-03-07 | 2018-09-17 | 이일섭 | Structure Transfer Device |
| CN109837836A (en) * | 2017-11-27 | 2019-06-04 | 广西南宁胜祺安科技开发有限公司 | Continuous Bridge incremental launching construction method for correcting error |
-
2020
- 2020-04-30 CN CN202010365937.4A patent/CN111549669A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004238796A (en) * | 2003-02-03 | 2004-08-26 | Kawada Construction Co Ltd | Floor-slab separator |
| CN103306204A (en) * | 2013-06-19 | 2013-09-18 | 中铁四局集团第二工程有限公司 | Three-way positioning device for base steel anchor box |
| KR20180102270A (en) * | 2017-03-07 | 2018-09-17 | 이일섭 | Structure Transfer Device |
| CN207685687U (en) * | 2017-11-24 | 2018-08-03 | 江苏中铁山桥重工有限公司 | A kind of bridge big section assembling three-dimensional regulating device |
| CN109837836A (en) * | 2017-11-27 | 2019-06-04 | 广西南宁胜祺安科技开发有限公司 | Continuous Bridge incremental launching construction method for correcting error |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111945576A (en) * | 2020-09-04 | 2020-11-17 | 中铁六局集团有限公司 | Bridge line type adjusting device |
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Application publication date: 20200818 |