CN106120570B - A kind of job platform for the secondary construction of cap - Google Patents
A kind of job platform for the secondary construction of cap Download PDFInfo
- Publication number
- CN106120570B CN106120570B CN201610748914.5A CN201610748914A CN106120570B CN 106120570 B CN106120570 B CN 106120570B CN 201610748914 A CN201610748914 A CN 201610748914A CN 106120570 B CN106120570 B CN 106120570B
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- Prior art keywords
- platform
- running gear
- cap
- fixed
- secondary construction
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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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to bridge construction technical field of structures, in particular to a kind of job platform for the secondary construction of cap.Include along bridge to the running gear and the platform below running gear being slidably connected on two adjacent T beams；The running gear is that direction across bridge both ends are respectively erected in the portal-framed structure on two adjacent T beams, and the lower end of running gear is provided with idler wheel；Link is provided between the platform and running gear, platform is located at below the front end of running gear, and platform is fixed on the cantilevered structure for being formed and being located in front of running gear on running gear by link.The present invention uses cantilevered structure, ensures that platform safety is stablized by the running gear counterweight that can be walked in beam face, simple in structure, securely and reliably.
Description
Technical field
The present invention relates to bridge construction technical field of structures, in particular to a kind of operation horizontal for the secondary construction of cap
Platform.
Background technology
With China's rapid economic development, trip demand increases rapidly, and the construction technology of bridge construction also constantly carries
It is high.During bridge's design, the combined system of great cantilever prestressing force cap+precast beam, occupied little space with its structure,
The advantages that convenient and quick construction, bearing capacity be strong and attractive appearance, using more extensively in bridge construction.
The construction of great cantilever prestressing force cap is generally divided into two stages, the first stage be cap pour and prestressing force is applied
Work, the construction stage carry out the stretching construction of partial prestressing beam, it is ensured that preceding to be set up safely across precast beam；Second stage is
The secondary construction of cap, the stage preceding after across precast beam, installation is complete, then carry out cap the tensioning of remainder prestressing tendon,
The modification construction of the sealing off and covering anchorage of stretching notch and cap appearance, improves the bearing capacity of cap cantilever end, with after ensuring across prefabricated
Beam can be set up safely.
It is directed to the secondary construction (two times tensioning, sealing off and covering anchorage and modification) of great cantilever prestressing force cap at present, mainly by setting up branch
Frame provides job platform, increases the number of turnover of material, influences the duration, and requires in advance to handle holder ground.
For pier great cantilever cap waterborne, the method for generally use hanging work platform from cap carries out secondary construction, this method peace
It tears that number is frequent, process is complicated open, seriously affects construction speed, while the safety of water surface suspension construction can not ensure.
Invention content
Present invention aim to solve the deficiency of above-mentioned background technology, a kind of work for the secondary construction of cap is provided
Industry platform.
The technical scheme is that：A kind of job platform for the secondary construction of cap, it is characterised in that：It include edge
Bridge is to the running gear and the platform below running gear being slidably connected on two adjacent T beams；The running gear
The portal-framed structure being respectively erected in for direction across bridge both ends on two adjacent T beams, the lower end of running gear is provided with idler wheel；It is described
Platform and running gear between be provided with link, platform is located at below the front end of running gear, and platform is solid by link
It is scheduled on the cantilevered structure for being formed and being located in front of running gear on running gear.
The further link is the sub-truss being in tilted layout, and the upper end edge bridge of link is solid to extending back
Due on running gear, the lower end edge bridge of link is fixed on to extension forward on platform；The platform exists with running gear
It is not overlapped on vertical direction.
The further link includes the supporting rod being arranged in a vertical direction；The upper end of the supporting rod is fixed
It is fixed in the middle part of the rear end of platform in the lower end of the front center of running gear, supporting rod.
The rear and front end of the further supporting rod is respectively arranged with preceding diagonal brace and rear diagonal brace；The preceding diagonal brace is
Upper end is fixed on the rod-like structure that supporting rod upper and lower end is fixed in the middle part of platform；The rear diagonal brace is that upper end is fixed on walking
Device rear end middle part, lower end are fixed on the rod-like structure of supporting rod lower end.
It is provided with fixed frame in the middle part of the further platform, is provided between the both sides and platform upper surface of fixed frame
The fixed link of inclination arrangement；The lower end of the supporting rod and preceding diagonal brace is fixed on fixed frame.
The further running gear includes the supporting rack arranged in the horizontal direction；The direction across bridge of the supporting rack
Both ends are respectively arranged with the column being supported on T beams；The column lower end is provided with idler wheel.
The rear end of the supporting rack is provided with along bridge to the bearing frame to extend back；On the bearing frame
It is placed with clump weight.
Electric capstan is installed on the further supporting rack.
Further further includes sunpender；The sunpender is arranged in a vertical direction, and upper end, which is anchored at, is set to cap upper end
On the shoulder pole girder in face, lower end is fixed on platform.
The further platform upper surface is provided with guardrail, and cat ladder is provided between supporting rack and platform.
Advantages of the present invention has：
1) job platform is supported on the faces T Liang Liang, suitable for not having the cap of the secondary execution conditions of cap, such as land height
Pier cap beam, pier cap beam waterborne etc.；
2) cantilevered structure is cap two times tensioning, sealing off and covering anchorage and modification construction provide construction operation platform, reduces live holder
It sets up, shortens the construction period, reduce engineering construction cost；
3) cantilevered structure is used, ensures that platform safety is stablized by the running gear counterweight that can be walked in beam face, structure letter
It is single, securely and reliably；
4) cap Multifunctional construction platform has high standardization operating feature, after the completion of factory process, on-site consolidation,
Cap construction operation, construction safety, specification are carried out using running gear.
Description of the drawings
Fig. 1：The suitable bridge of the present invention is to structural schematic diagram；
Fig. 2：The direction across bridge structural schematic diagram of the present invention；
Wherein：1-supporting rack；2-links；3-platforms；4-idler wheels；5-supporting rods；6-preceding diagonal braces；7-retread
Support；8-fixed frames；9-fixed links；10-bearing frames；11-clump weights；12-electric capstans；13-guardrails；14-T beams；
15-caps；16-shoulder pole girders；17-cat ladders；18-sunpenders；19-columns.
Specific implementation mode
The following further describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
The job platform of the present embodiment is for the secondary construction operation between adjacent cap 15, and the top of cap 15 is set up
After T beams 14, the installation of job platform is carried out.Such as Fig. 1~2, the job platform of the present embodiment includes along bridge to being slidably connected to
Running gear on two adjacent T beams 14, the link 2 between two neighboring cap 15 and it is fixed on 2 lower end of link
Platform 3.
As shown in Fig. 1~2, running gear is that direction across bridge both ends are respectively erected in the door frame knot on two adjacent T beams 14
The direction across bridge of structure, including the supporting rack 1 arranged in the horizontal direction, supporting rack 1 is provided at both ends with column 19, and supporting rack 1 passes through vertical
Column 19 is supported on the beam face of T beams 14, and supporting rack 1 is fixed on the upper end of column 19 and column 19 forms portal-framed structure.Column 19
Lower end is provided with idler wheel 4, and running gear is slided by idler wheel 4 on T beams 14, and electric capstan 12 is provided on running gear, leads to
Crossing electric capstan 12 drives running gear to advance along the length direction of T beams 14.
Platform 3 topples in order to prevent, and the present embodiment is equipped with bearing frame 10 in the rear end of supporting rack 1, bearing frame 10 it is upper
It is shelved with clump weight 11, prevents running gear from toppling by the support of clump weight 11.
Link 2 is the truss structure being vertically in tilted layout, including the supporting rod 5 being arranged in a vertical direction, supporting rod 5
Upper end is fixed on the front center of supporting rack 1, and the lower end of supporting rod 5 is fixed in the middle part of the rear end of platform 3.Platform 3 is located at walking
Below the front end of device, platform 3 is overhang by link 2 (refers to the right side in Fig. 2 in the front end of running gear in front of the present embodiment
Side direction, rear refer to the left direction in Fig. 2) 15 lower section of two adjacent caps, construction personnel on the platform 1 to cap 15 into
The secondary construction of row.
For stable support platform 3, the present embodiment before and after the supporting rod 5 after both ends be respectively arranged with before 6 He of diagonal brace
Diagonal brace 7 afterwards, rear diagonal brace 7 are that upper end is fixed in the middle part of running gear rear end, lower end is fixed on the rod-like structure of 5 lower end of supporting rod,
Preceding diagonal brace 6 is the rod-like structure that upper end is fixed on that 5 upper and lower end of supporting rod is fixed on 3 middle part of platform.
3 middle part of platform is provided with fixed frame 8, and inclination arrangement is provided between 3 upper surface of both sides and platform of fixed frame 8
The lower end of fixed link 9, supporting rod 5 and preceding diagonal brace 6 is fixed on fixed frame 8.2 upper surface of platform is provided with guardrail 13, and protection is made
Industry personnel's construction safety.
In use, after T beams 14 are set up on cap 15, running gear is lifted on to the upper end of T beams 14, is made under column 19
The idler wheel 4 at end is supported on T beams 14, and running gear is fixed using bottle gouard moved by hands, starts to pacify in the lower end of running gear
Dress builds link 2 and platform 3, after debugging is stablized, installs electric capstan 12 in the front end of supporting rack 1, passes through electric capstan 12
Platform 3 is moved to the front ends of T beams 14 by driving, and so that platform 3 is located at the underface of cap 15, (front end of T beams 14 is overlapped on cap
On the latter half of 15 upper ends, first half is the overlapping part of next section of T beam 14, and supporting rack 1 runs to the front end of T beams 14
When, since platform 3 is cantilevered structure, it is located just at the underface of cap 15, is constructed convenient for 15 secondary operation of cap).Again in cap
Beam 15 anchors shoulder pole girder 16 above, so that 16 front end of shoulder pole girder is reached the front of cap 15, then installs and hang on shoulder pole girder 16
Shoulder pole girder 16 and platform 3 are connected as overall structure by bar 18, and the sunpender 18 of installation is arranged symmetrically centered on the center line of platform 3
In on platform 3.Operating personnel by under the cat ladder 17 between running gear and platform 3 to carrying out 15 bottom two of cap on platform 3
Subjob is constructed.
After the completion of construction, the erection of lower end T beams 14 is proceeded by, after the completion of waiting for that next section of T beam 14 is set up, removes sunpender
16 make platform 3 be detached from cap 15, drive running gear to be moved to along the next section of T beam 14 newly set up by electric capstan 12
At next section of cap 15, the secondary construction operation of cap 15 is carried out again.
Alternately, until all 15 secondary operation of cap constructions are completed.
In order to keep the stability of platform 3 in work progress, the present embodiment can also be arranged on cap 15 along bridge to
The front of cap 15 is stretched out in shoulder pole girder 19, the front end of shoulder pole girder 19, and shoulder pole girder 19 is fixed on the upper end of cap 15, and shoulder pole girder 19 is stretched
Go out on the end of cap 15 and be provided with vertical sunpender 18, the anchoring lower ends of sunpender 18 are on platen 3.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent defines.
Claims (9)
1. a kind of job platform for the secondary construction of cap, it is characterised in that：Include along bridge to being slidably connected to two phases
Running gear on adjacent T beams (14) and the platform (3) below running gear；The running gear is direction across bridge both ends point
The portal-framed structure not being erected on two adjacent T beams (14), the lower end of running gear are provided with idler wheel (4)；The platform
(3) link (2) is provided between running gear, platform (3) is located at below the front end of running gear, and platform (3) passes through company
It connects frame (2) and is fixed on the cantilevered structure for being formed and being located in front of running gear on running gear；The link (2) is to tilt cloth
The upper end edge bridge of the sub-truss set, link (2) is fixed on to extending back on running gear, the lower end edge of link (2)
Bridge is fixed on to extension forward on platform (3)；The platform (3) is not be overlapped in the vertical direction with running gear.
2. a kind of job platform for the secondary construction of cap as described in claim 1, it is characterised in that：The link
(2) include the supporting rod (5) being arranged in a vertical direction；The upper end of the supporting rod (5) is fixed in the front end of running gear
The lower end in portion, supporting rod (5) is fixed in the middle part of the rear end of platform (3).
3. a kind of job platform for the secondary construction of cap as claimed in claim 2, it is characterised in that：The supporting rod
(5) rear and front end is respectively arranged with preceding diagonal brace (6) and rear diagonal brace (7)；The preceding diagonal brace (6) is that upper end is fixed on supporting rod
(5) upper and lower end is fixed on the rod-like structure in the middle part of platform (3)；The rear diagonal brace (7) is that upper end is fixed on running gear rear end
Middle part, lower end are fixed on the rod-like structure of supporting rod (5) lower end.
4. a kind of job platform for the secondary construction of cap as claimed in claim 3, it is characterised in that：The platform
(3) middle part is provided with fixed frame (8), and the fixation of inclination arrangement is provided between the both sides and platform (3) upper surface of fixed frame (8)
Bar (9)；The lower end of the supporting rod (5) and preceding diagonal brace (6) is fixed on fixed frame (8).
5. a kind of job platform for the secondary construction of cap as described in claim 1, it is characterised in that：The walking dress
Set the supporting rack (1) including arranging in the horizontal direction；The direction across bridge both ends of the supporting rack (1), which are respectively arranged with, is supported on T
Column (19) on beam (14)；Described column (19) lower end is provided with idler wheel (4).
6. a kind of job platform for the secondary construction of cap as claimed in claim 5, it is characterised in that：The supporting rack
(1) rear end is provided with along bridge to the bearing frame (10) to extend back；It is placed with clump weight (11) on the bearing frame (10).
7. a kind of job platform for the secondary construction of cap as claimed in claim 6, it is characterised in that：The supporting rack
(1) electric capstan (12) is installed on.
8. a kind of job platform for the secondary construction of cap as described in claim 1, it is characterised in that：It further include sunpender
(18)；The sunpender (18) is arranged in a vertical direction, and upper end is anchored at the shoulder pole girder (16) for being set to cap (15) upper surface
On, lower end is fixed on platform (3).
9. a kind of job platform for the secondary construction of cap as described in claim 1, it is characterised in that：The platform
(3) upper surface is provided with guardrail (13), and cat ladder (17) is provided between supporting rack and platform (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610748914.5A CN106120570B (en) | 2016-08-29 | 2016-08-29 | A kind of job platform for the secondary construction of cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610748914.5A CN106120570B (en) | 2016-08-29 | 2016-08-29 | A kind of job platform for the secondary construction of cap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106120570A CN106120570A (en) | 2016-11-16 |
| CN106120570B true CN106120570B (en) | 2018-07-24 |
Family
ID=57272654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610748914.5A Active CN106120570B (en) | 2016-08-29 | 2016-08-29 | A kind of job platform for the secondary construction of cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106120570B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109083008A (en) * | 2018-06-09 | 2018-12-25 | 中交航局第工程有限公司 | A kind of walking Coping Construction job platform and its packaging technology |
| CN109468962A (en) * | 2019-01-08 | 2019-03-15 | 云南省建设投资控股集团有限公司 | High-altitude construction auxiliary device and method |
| CN109468963B (en) * | 2019-01-08 | 2024-07-05 | 云南省建设投资控股集团有限公司 | Hanging basket for overhead operation of bridge and overhead construction method of bridge |
| CN113430929A (en) * | 2021-08-04 | 2021-09-24 | 中交二公局第五工程有限公司 | Self-propelled beam bottom working trolley at central separation zone of bridge |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006527316A (en) * | 2003-06-06 | 2006-11-30 | ド カルモ パチェコ，ペドロ，アルバレス，リベイロ | Gantry with self-adjusting prestressing function |
| CN101126223A (en) * | 2007-09-17 | 2008-02-20 | 中铁二局股份有限公司 | Mobile integral construction platform, construction method thereof and special sling for the same |
| CN203923917U (en) * | 2014-06-16 | 2014-11-05 | 葛洲坝集团第六工程有限公司 | Job platform at the bottom of a kind of packaged type bridge |
| CN105088964A (en) * | 2015-09-09 | 2015-11-25 | 中国铁建大桥工程局集团有限公司 | Movable construction platform for bridge foundation building |
| CN204825672U (en) * | 2015-08-12 | 2015-12-02 | 浙江金华市开元机电科技有限公司 | A mobile device for bridge construction |
| CN206034301U (en) * | 2016-08-29 | 2017-03-22 | 中交第二航务工程局有限公司 | A work platform for construction of cap secondary |
-
2016
- 2016-08-29 CN CN201610748914.5A patent/CN106120570B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006527316A (en) * | 2003-06-06 | 2006-11-30 | ド カルモ パチェコ，ペドロ，アルバレス，リベイロ | Gantry with self-adjusting prestressing function |
| CN101126223A (en) * | 2007-09-17 | 2008-02-20 | 中铁二局股份有限公司 | Mobile integral construction platform, construction method thereof and special sling for the same |
| CN203923917U (en) * | 2014-06-16 | 2014-11-05 | 葛洲坝集团第六工程有限公司 | Job platform at the bottom of a kind of packaged type bridge |
| CN204825672U (en) * | 2015-08-12 | 2015-12-02 | 浙江金华市开元机电科技有限公司 | A mobile device for bridge construction |
| CN105088964A (en) * | 2015-09-09 | 2015-11-25 | 中国铁建大桥工程局集团有限公司 | Movable construction platform for bridge foundation building |
| CN206034301U (en) * | 2016-08-29 | 2017-03-22 | 中交第二航务工程局有限公司 | A work platform for construction of cap secondary |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106120570A (en) | 2016-11-16 |
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