CN-122013680-A - Steel tower vertical body outer rotating hinge structure and construction method

Abstract

A steel tower vertical rotator outer rotating hinge structure and a construction method relate to the field of bridge construction. The steel tower vertical rotating body outer rotating hinge structure comprises a concrete foundation, a lower rotating hinge with one side connected to the steel tower and an upper rotating hinge with one side connected to the steel tower, wherein the top of the concrete foundation is connected with a plurality of concrete columns and steel pipes sleeved on the concrete columns respectively, the top ends of the steel pipes are connected with sealing plates, the outer walls of the steel pipes are connected with grouting pipes, the bottom surfaces of the lower rotating hinge are obliquely arranged with the horizontal plane and are connected with wedge blocks corresponding to the concrete columns one by one, the bottom surfaces of the wedge blocks are horizontally arranged and supported at the tops of the corresponding sealing plates, and the bottom of the upper rotating hinge is hinged with the top of the lower rotating hinge through pin shafts. The steel tower vertical body outer rotating hinge structure and the construction method use a concrete foundation and a concrete column supporting belt block connected with the concrete foundation, so that the belt block supports a lower rotating hinge and an upper rotating hinge which are mutually hinged, and the born vertical stress is transferred to a bridge deck through the concrete column and the concrete foundation, and the horizontal stress transfer is avoided, thereby ensuring the safety of the swivel construction.

Inventors

• ZHAO BIN
• WANG YU
• YIN GUIFANG
• LIU YI
• SUN HUAPING
• ZHU QINGXIA
• WANG JUNFENG
• YAN CHENGXIA
• LI SHUXUE
• LI TAN
• QUAN SHUNHONG
• YUAN FENG
• ZHANG YALUN
• JI XUAN
• SHEN QIANG
• HU JIN

Assignees

• 中铁重工有限公司

Dates

Publication Date

20260512

Application Date

20260210

Claims (10)

1. 1. The utility model provides a steel tower erects outer pivot structure of turning round which characterized in that, it includes: the top of the concrete foundation is connected with a plurality of concrete columns and steel pipes sleeved on the concrete columns respectively, the top of each steel pipe is connected with a sealing plate, and the outer wall of each steel pipe is connected with a grouting pipe; The lower rotating hinge is connected with the steel tower at one side, the bottom surface is obliquely arranged with the horizontal plane and is connected with a wedge block corresponding to each concrete column one by one, and the bottom surface of the wedge block is horizontally arranged and supported at the top of the corresponding sealing plate; And one side of the upper rotating hinge is connected with the steel tower, and the bottom of the upper rotating hinge is hinged with the top of the lower rotating hinge through a pin shaft.
2. 2. The steel tower vertical body outer rotating hinge structure according to claim 1, wherein at least one jacking cross beam is connected to the outer wall of the steel pipe, and jacks for driving the jacking cross beams to lift are connected to the concrete foundation respectively.
3. 3. The steel tower vertical body outer rotating hinge structure according to claim 1, wherein an exhaust pipe is connected to the outer wall of the steel pipe.
4. 4. The steel tower vertical body outer rotating hinge structure according to claim 1, wherein the top surface of the sealing plate is connected with a first stainless steel plate, and the bottom surface of the belt block is connected with a second stainless steel plate which is in sliding fit with the corresponding first stainless steel plate.
5. 5. The steel tower vertical body outer swivel hinge structure of claim 4, wherein a lubricating oil layer is provided between the first stainless steel plate and the second stainless steel plate.
6. 6. The construction method of the steel tower vertical body outer rotating hinge structure is characterized by comprising the following steps of: constructing a concrete foundation; one sides of an upper rotating hinge and a lower rotating hinge are respectively connected to a steel tower, and the bottom of the upper rotating hinge and the top of the lower rotating hinge are hinged through a pin shaft; Constructing a plurality of horizontally arranged lower surface blocks at the bottom of the lower rotary hinge; Mounting steel pipes which are in one-to-one correspondence with the wedge blocks on the concrete foundation, wherein the top ends of the steel pipes are connected with sealing plates; Driving the steel pipe to rise to the sealing plate to be in sliding fit with the bottom surface of the wedge block; pouring concrete into the steel pipe after a formwork is supported between the outer side of the steel pipe and the concrete foundation to obtain a concrete column; And (5) removing the template.
7. 7. The method of constructing a steel tower vertical body outer hinge structure according to claim 6, wherein a second stainless steel plate is connected to a bottom surface of the stopper block at the time of constructing the stopper block, a first stainless steel plate is connected to a top surface of the sealing plate at the time of installing the steel pipe, and the first stainless steel plate and the second stainless steel plate are slidably engaged with each other at the time of driving the steel pipe to rise.
8. 8. The method of constructing a steel tower vertical body outer swivel hinge structure according to claim 7, wherein when the first stainless steel plate and the second stainless steel plate are slidingly engaged while driving the steel pipe upward, lubricating oil is applied between the first stainless steel plate and the second stainless steel plate.
9. 9. The construction method of the steel tower vertical body outer swivel hinge structure according to claim 6, wherein concrete is poured into the steel pipe by using the grouting pipe connected with the steel pipe to obtain a concrete column, and the exhaust pipe connected with the steel pipe is used for exhausting.
10. 10. The construction method of the steel tower vertical body outer rotating hinge structure according to claim 6, wherein when the steel pipe is driven to ascend, at least one jacking beam is connected to the outer wall of the steel pipe, a jack is installed between the concrete foundation and the jacking beam, and the jack is controlled to drive the jacking beam and the steel pipe to ascend.

Description

Steel tower vertical body outer rotating hinge structure and construction method Technical Field The application relates to the field of bridge construction, in particular to an external rotating hinge structure of a steel tower vertical rotator and a construction method. Background The traditional tower crane sectional hoisting high-altitude splice welding method used during construction of the steel bridge tower has the problems of high operation risk, difficult linear control, difficult guarantee of welding quality, long construction period, large interference to space under the bridge and the like. The bridge tower vertical rotation construction method is a construction technology for integrally vertically rotating a bridge tower to a design position through a traction system after horizontally assembling and forming the bridge tower at a low position (ground or bridge deck), can effectively overcome the defects, and is particularly suitable for engineering scenes crossing deep valleys, rushing, being busy with traffic lines or being limited by aviation height limitation. The hinge system is a key component of bridge tower vertical rotation construction, and is formed by connecting a lower hinge support and an upper hinge support through a pin shaft, and is required to have extremely high processing and installation precision. Disclosure of Invention The application aims to provide an external rotating hinge structure of a steel tower vertical rotating body and a construction method, which can transfer vertical stress born by a lower rotating hinge and an upper rotating hinge to a bridge deck, avoid horizontal stress transfer and ensure the safety of rotating construction. The application is realized in the following way: The application provides an outer rotating hinge structure of a steel tower vertical body, which comprises the following components: The top of the concrete foundation is connected with a plurality of concrete columns and steel pipes sleeved on the concrete columns respectively, the top end of each steel pipe is connected with a sealing plate, and the outer wall of each steel pipe is connected with a grouting pipe; The lower rotating hinge is connected with one side of the steel tower, the bottom surface of the lower rotating hinge is obliquely arranged with the horizontal plane and is connected with the wedge blocks corresponding to the concrete columns one by one, and the bottom surfaces of the wedge blocks are horizontally arranged and supported at the tops of the corresponding sealing plates; an upper rotating hinge, one side of which is connected with the steel tower, the bottom is hinged with the top of the lower rotating hinge through a pin shaft. In some alternative embodiments, at least one lifting beam is connected to the outer wall of the steel pipe, and jacks for driving the lifting beams to lift are connected to the concrete foundations respectively. In some alternative embodiments, an exhaust pipe is connected to the outer wall of the steel pipe. In some alternative embodiments, the top surface of the sealing plate is connected to a first stainless steel plate, and the bottom surface of the wedge block is connected to a second stainless steel plate that is in sliding engagement with the corresponding first stainless steel plate. In some alternative embodiments, a layer of lubricating oil is provided between the first stainless steel plate and the second stainless steel plate. The application also provides a construction method of the steel tower vertical body outer rotating hinge structure, which comprises the following steps: constructing a concrete foundation; one sides of the upper rotating hinge and the lower rotating hinge are respectively connected to the steel tower, and the bottom of the upper rotating hinge and the top of the lower rotating hinge are hinged through pin shafts; Constructing a plurality of blocks with horizontally arranged bottom surfaces at the bottom of the lower rotary hinge; Mounting steel pipes corresponding to the wedge blocks one by one on the concrete basis, wherein the top ends of the steel pipes are connected with sealing plates; Driving the steel pipe to rise to the sealing plate to be in sliding fit with the bottom surface of the corresponding wedge block; pouring concrete into the steel pipe after the formwork is supported between the outer side of the steel pipe and the concrete foundation to obtain a concrete column; And (5) removing the template. In some alternative embodiments, a second stainless steel plate is attached to the bottom surface of the wedge block during construction of the wedge block, and a first stainless steel plate is attached to the top surface of the closure plate during installation of the steel pipe, and the first stainless steel plate and the second stainless steel plate are slidably engaged as the steel pipe is driven upward. In some alternative embodiments, the first stainless steel plate and the second sta