CN212895963U - Temporary anchoring operation platform for cable tower area beam section - Google Patents

Temporary anchoring operation platform for cable tower area beam section Download PDF

Info

Publication number
CN212895963U
CN212895963U CN202021231256.0U CN202021231256U CN212895963U CN 212895963 U CN212895963 U CN 212895963U CN 202021231256 U CN202021231256 U CN 202021231256U CN 212895963 U CN212895963 U CN 212895963U
Authority
CN
China
Prior art keywords
girder
operation platform
platform
outrigger
beam section
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202021231256.0U
Other languages
Chinese (zh)
Inventor
潘宝利
李明亮
刘健
邱正
陈龙涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Road and Bridge International Co Ltd
Original Assignee
Road and Bridge International Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Road and Bridge International Co Ltd filed Critical Road and Bridge International Co Ltd
Priority to CN202021231256.0U priority Critical patent/CN212895963U/en
Application granted granted Critical
Publication of CN212895963U publication Critical patent/CN212895963U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model relates to a cable tower district beam section temporary anchoring operation platform, including the platform panel, platform panel side is equipped with the coupling mechanism who is connected with the tower beam, and coupling mechanism includes girder on the vertical direction, the ascending outrigger of horizontal direction and the ascending tie of vertical direction, and the outrigger is installed in the girder top, and the tie is installed in girder and outrigger junction. This operation platform, the structure is ingenious, be equipped with the coupling mechanism who is connected with the tower beam through side at the platform panel, coupling mechanism includes girder on the longitudinal direction, horizontal ascending outrigger and the ascending tie of vertical direction, the outrigger is installed at the girder top, the tie is installed in girder and outrigger junction, through adding at the tower beam junction and having established vertically promptly, horizontal and vertical restraint, security and anti-wind stability when guaranteeing the big cantilever construction of steel box girder, when fully guaranteeing self stability, the security when having improved the construction, be favorable to this operation platform in the popularization and the application of cable-stay bridge tower district beam section installation technical field.

Description

Temporary anchoring operation platform for cable tower area beam section
Technical Field
The utility model relates to a cable-stay bridge cable tower district beam section installation technical field specifically is a cable tower district beam section temporary anchoring operation platform.
Background
When the steel box girder of the cable-stayed bridge is constructed in a large cantilever, the contact part of the steel box girder and a cable tower can generate larger tension, pressure and bending moment, and because the average wind speed in a project area is usually more than 4m/s and the annual average wind speed is between 4.7 and 6.8m/s, the internal force at the connection part of the tower girder is further increased.
Traditional tower beam temporary anchoring only is horizontal resistance to compression and vertical shearing, can accomplish the construction that the tower beam concreties on the bottom end rail, and this vertical restraint of project is for drawing and pressing the disengaging system, need use steel strand wires to retrain cable tower district steel box girder and bottom end rail bottom the bottom end rail, consequently, just need to set up the construction platform bottom the bottom end rail, and because when carrying out temporary anchoring construction, the bottom end rail has been under construction and has been accomplished, traditional support of embedding built-in fitting cooperation shaped steel bracing at the column, the platform is difficult to install, make temporary anchoring construction difficult to accomplish.
Disclosure of Invention
The utility model relates to an overcome the defect among the above-mentioned prior art, a cable tower district beam section temporary anchoring operation platform is provided, this operation platform structure is ingenious, and stability is high, through adding in the tower roof beam junction and having established vertically, horizontal and vertical restraint, security and anti-wind stability when guaranteeing the big cantilever construction of steel box girder, when fully guaranteeing self stability, the security when having improved the construction, be favorable to this operation platform in the popularization and the application of cable-stay bridge cable tower district beam section installation technical field.
In order to achieve the purpose of the invention, the utility model adopts the following technical scheme: a temporary anchoring operation platform for a beam section of a cable tower area comprises a platform panel, wherein a connecting mechanism connected with a tower beam is arranged on the side edge of the platform panel, the connecting mechanism comprises a girder in the longitudinal direction, an outrigger in the transverse direction and a parallel connection in the vertical direction, the outrigger is mounted at the top of the girder, and the parallel connection is mounted at the joint of the girder and the outrigger.
As a preferred scheme of the utility model, the girder is installed to platform panel bottom, the girder bottom is equipped with the bracing, the bracing with be the angle setting between the girder.
As an optimized proposal of the utility model, the angle between the inclined strut and the main beam is 15 degrees to 75 degrees.
As an optimized scheme of the utility model, the bracing with angle between the girder is 45.
As an optimized scheme of the utility model, the cross-section of bracing, girder and girder is triangle-shaped setting.
As an optimized scheme of the utility model, the bracing with the girder junction is equipped with the tie and allies oneself with, is close to tie and allies oneself with one end the terminal surface of bracing with mutual parallel arrangement between the girder.
As an optimized scheme of the utility model, the girder with the girder junction is equipped with the tie.
As an optimized proposal of the utility model, the guardrail is installed above the platform panel.
As an optimized scheme of the utility model, the girder with mutually perpendicular sets up between the girder.
As an optimized scheme of the utility model, the outrigger with mutual parallel arrangement between the girder.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a cable tower district beam section temporary anchoring operation platform, the structure is ingenious, through be equipped with the coupling mechanism who is connected with the tower beam on platform panel side, coupling mechanism includes girder on the longitudinal direction, horizontal ascending outrigger and the ascending parallel connection of vertical direction, the outrigger is installed at the girder top, the parallel connection is installed at girder and outrigger junction, establish vertically promptly through adding in the tower beam junction, horizontal and vertical restraint, security and anti-wind stability when guaranteeing the big cantilever construction of steel box girder, in the time of fully guaranteeing self stability, the security when having improved the construction, be favorable to this operation platform in the popularization and the application of cable-stay bridge tower district beam section installation technical field.
Drawings
FIG. 1 is a structural front view of a temporary anchoring operation platform of a girder section of a cable tower area in the embodiment;
FIG. 2 is a structural side view of a temporary anchoring operation platform of the girder segment of the cable tower region in the embodiment.
Reference numerals: 1. a cantilever beam; 2. a girder; 3. parallel connection; 4. a platform panel; 5. a main beam; 6. bracing; 7. and (4) a guardrail.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the accompanying drawings.
Example (b): as shown in fig. 1 to 2, a temporary anchoring operation platform for a cable tower section comprises a platform panel 4, which provides a construction space and a construction site for temporary anchoring of the cable tower section by erecting the temporary anchoring operation platform, ensures the safety of constructors during high-altitude operation and ensures the construction quality, a connecting mechanism connected with a tower beam is arranged on the side of the platform panel 4, the connecting mechanism comprises a girder 2 in the longitudinal direction, a cantilever beam 1 in the transverse direction and a parallel connection 3 in the vertical direction, the cantilever beam 1 is arranged on the top of the girder 2, the parallel connection 3 is arranged at the joint of the girder 2 and the cantilever beam 1, namely, the longitudinal, transverse and vertical constraints are additionally arranged at the joint of the tower beam to ensure the safety and wind resistance stability during the construction of a large cantilever of a steel box beam, and the safety during the construction is improved while the self stability is fully ensured, the operation platform is beneficial to popularization and application in the technical field of beam section installation of cable-stayed bridge cable towers.
In order to ensure the stability of the structure of the operating platform and further ensure the construction safety, the bottom of the platform panel 4 is provided with a plurality of main beams 5, the main beams 5 are uniformly distributed at the bottom of the platform panel 4 to ensure the stability of each position of the platform panel 4, in order to further enhance the structure of the operating platform, the bottom of the main beam 5 is provided with an inclined strut 6, the inclined strut 6 and the main beam 5 are arranged at an angle, the angle between the inclined strut 6 and the main beam 5 is 15-75 degrees, if the angle between the inclined strut 6 and the main beam 5 is less than 15 degrees, the supporting force is insufficient, and when the platform panel 4 bears overweight force, the platform panel is easy to damage and drop, thereby causing construction accidents; if the angle between the inclined strut 6 and the main beam 5 is larger than 75 degrees, the situation that the supporting force is insufficient and the stability is not high can also occur. In this embodiment, the angle between the inclined strut 6 and the main beam 5 is 45 °, and the cross sections of the inclined strut 6, the main beam 5 and the girder 2 are arranged in an equilateral triangle, so that the stability of the operating platform can be effectively ensured.
The connection part of the inclined strut 6 and the girder 2 is provided with the parallel connection 3, the parallel connection 3 is connected between the inclined strut 6 and the girder 2 in a welding fixing mode, the probability of fracture of the connection part of the inclined strut 6 and the girder 2 is reduced, and the stability of the whole structure of the operation platform is further ensured.
Being close to mutual parallel arrangement between the terminal surface of above-mentioned bracing 6 of above-mentioned parallel 3 one end of antithetical couplet and above-mentioned girder 2, convenient welding, the preparation of being convenient for, and the convenient dismantlement in later stage can effectively reduce constructor's the construction degree of difficulty, improves the efficiency of construction.
The main beam 5 is provided with the parallel connection 3 at the joint with the main beam 2, and the structural strength of the joint is enhanced, so that the use effect and the service life of the operation platform are ensured.
Two-thirds position department that is close to girder 2 is equipped with the parallel connection 3 equally, and parallel connection 3 fixes on girder 2 through fixed modes such as welding, can reduce girder 2 cracked probability, strengthens girder 2's wind-resistant ability.
Guardrail 7 is installed to platform panel 4 top, and guardrail 7 highly be about one meter two, can prevent effectively that constructor from falling, guarantees construction safety and guarantees construction quality.
The girder 2 and the girder 5 are perpendicular to each other, and the outriggers 1 and the girder 5 are parallel to each other, so that the overall structural strength and stability of the operating platform are ensured.
The cantilever beam 1, the girder 2, the main beam 5 and the inclined strut 6 are all made of section steel, the platform panel 4 is made of a steel plate with the thickness of about 1cm, the materials used by the operation platform structure are easy to obtain, the operation platform structure can be recycled after being disassembled, and the construction cost can be effectively reduced.
The construction process of the operation platform in the embodiment comprises the following steps:
firstly, processing each component of an operation platform according to a drawing by using a cutting machine, and welding a cantilever beam 1, a girder 2, a parallel connection 3, a main beam 5, an inclined strut 6, a platform panel 4 and a guardrail 7 into a whole on a construction platform in sequence according to a design drawing; then hoisting the operation platform to a designed position by matching a 7020-12 tower crane with an 8040-25 tower crane; and finally, welding the cantilever beam 1 and the guardrail embedded part at the top of the lower cross beam into a whole, and continuously and fully welding the welding line with the thickness not less than 10 mm.
And (3) field construction: constructors enter the temporary anchoring operation platform from the lower cross beam through the hanging ladder and stand on the platform panel 4 for construction.
And (3) later-stage dismantling: after the full-bridge closure and the temporary anchoring are dismantled, the welding line between the cantilever beam 1 and the embedded part of the guardrail of the lower cross beam is cut off, the temporary anchoring operation platform is integrally hoisted to the platform by using a tower crane, and the platform is disassembled into a single section steel state and is transported to other construction sites for recycling.
The temporary anchoring operation platform for the cable tower area beam section in the embodiment has the advantages of ingenious structure, a connecting mechanism connected with a tower beam is arranged on the side edge of a platform panel 4, the connecting mechanism comprises a girder 2 in the longitudinal direction, an outrigger 1 in the transverse direction and a parallel connection 3 in the vertical direction, the outrigger 1 is installed at the top of the girder 2, the parallel connection 3 is installed at the joint of the girder 2 and the outrigger 1, namely, the longitudinal direction, the transverse direction and the vertical direction are arranged at the joint of the tower beam, so that the safety and the wind resistance stability during the construction of a steel box beam large cantilever are ensured, the safety during construction is improved while the self stability is fully ensured, and the popularization and the application of the operation platform in the technical field of cable-stayed bridge tower area beam section installation are facilitated.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more here: 1. a cantilever beam; 2. a girder; 3. parallel connection; 4. a platform panel; 5. a main beam; 6. bracing; 7. guardrail, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (10)

1. The utility model provides a cable tower district beam section interim anchor operation platform which characterized in that: including platform panel (4), platform panel (4) side is equipped with the coupling mechanism who is connected with the tower beam, coupling mechanism includes girder (2) on the longitudinal direction, outrigger (1) on the transverse direction and tie (3) on the vertical direction, outrigger (1) install in girder (2) top, tie (3) install in girder (2) and outrigger (1) junction.
2. The temporary anchoring operation platform for the cable tower area beam section according to claim 1, wherein: platform panel (4) bottom is installed girder (5), girder (5) bottom is equipped with bracing (6), bracing (6) with be the angle setting between girder (5).
3. The temporary anchoring operation platform for the cable tower area beam section according to claim 2, wherein: the angle between the inclined strut (6) and the main beam (5) is 15-75 degrees.
4. The temporary anchoring operation platform for the cable tower area beam section according to claim 3, wherein: the angle between the inclined strut (6) and the main beam (5) is 45 degrees.
5. The temporary anchoring operation platform for the cable tower area beam section according to claim 3, wherein: the cross sections of the inclined strut (6), the main beam (5) and the crossbeam (2) are arranged in a triangular shape.
6. The temporary anchoring operation platform for the cable tower area beam section according to claim 5, wherein: the connecting part of the inclined strut (6) and the crossbeam (2) is provided with a parallel connection (3), and the end surface of the inclined strut (6) close to one end of the parallel connection (3) and the crossbeam (2) are arranged in parallel.
7. The temporary anchoring operation platform for the cable tower area beam section according to claim 2, wherein: the connection part of the main beam (5) and the crossbeam (2) is provided with a parallel connection (3).
8. The temporary anchoring operation platform for the cable tower area beam section according to claim 2, wherein: and a guardrail (7) is arranged above the platform panel (4).
9. The temporary anchoring operation platform for the cable tower area beam section according to claim 2, wherein: the crossbeam (2) and the main beam (5) are perpendicular to each other.
10. The temporary anchoring operation platform for the cable tower area beam section according to claim 9, wherein: the cantilever beam (1) and the main beam (5) are arranged in parallel.
CN202021231256.0U 2020-06-29 2020-06-29 Temporary anchoring operation platform for cable tower area beam section Active CN212895963U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021231256.0U CN212895963U (en) 2020-06-29 2020-06-29 Temporary anchoring operation platform for cable tower area beam section

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021231256.0U CN212895963U (en) 2020-06-29 2020-06-29 Temporary anchoring operation platform for cable tower area beam section

Publications (1)

Publication Number Publication Date
CN212895963U true CN212895963U (en) 2021-04-06

Family

ID=75280936

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021231256.0U Active CN212895963U (en) 2020-06-29 2020-06-29 Temporary anchoring operation platform for cable tower area beam section

Country Status (1)

Country Link
CN (1) CN212895963U (en)

Similar Documents

Publication Publication Date Title
CN202139833U (en) Cantilever scaffold for building construction
CN107165039A (en) Encorbelment mass concrete construction prestress anchoraging angle-table bracket and its construction method
CN209210319U (en) It drives a vehicle dedicated maintenance hanging basket
CN212895963U (en) Temporary anchoring operation platform for cable tower area beam section
CN106948263B (en) A kind of cable-stayed bridge concrete pylon anchor tie plate
CN112267709A (en) Segmented demolition construction method for large-span beam string structure
CN204126297U (en) A kind of temporary support of steel truss roof
CN209228053U (en) Large cantilever combined type anchor curable type steel operation platform
CN109252448B (en) Prepressing construction method of bridge tower column cross beam support
CN208830711U (en) A kind of silo conical shell silo roof construction combination steel truss template
CN210529515U (en) Upper hanging type electricity-proof small truss
CN217325831U (en) U-shaped clamp and mounting structure for construction of steel structure connecting pair
CN209760000U (en) open landing stage of railing truss
CN215160345U (en) Novel slant variable angle cable promotes device
CN215051992U (en) Interim pedestrian trestle during foundation ditch construction
CN212406034U (en) Adjustable steel platform device for core tube structure construction
CN211622267U (en) Large-scale steel structure beam
CN217078449U (en) Transition pier material transportation platform for extra-large cable bridge
CN215564318U (en) Rigid pull rod large-cantilever scaffold platform structure
CN215407308U (en) Adjustable light cantilever formwork support
CN207933897U (en) A kind of bridge pier overmolded method form removable device
CN210239207U (en) Reinforcement shaped steel structure for building
CN212406038U (en) Lower hanging construction platform module of high-altitude large-cantilever steel roof truss
CN209835356U (en) Aerial conversion platform of construction elevator
CN214993124U (en) Lifting mechanism of through tied arch bridge

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant