CN205062679U - Device is examined and repaired to prefabricated assembled bridge standard - Google Patents
Device is examined and repaired to prefabricated assembled bridge standard Download PDFInfo
- Publication number
- CN205062679U CN205062679U CN201520709120.9U CN201520709120U CN205062679U CN 205062679 U CN205062679 U CN 205062679U CN 201520709120 U CN201520709120 U CN 201520709120U CN 205062679 U CN205062679 U CN 205062679U
- Authority
- CN
- China
- Prior art keywords
- platform
- prefabricated
- steel
- buried
- steel plate
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a device is examined and repaired to prefabricated assembled bridge standard overhauls platform, maintenance cat ladder and access door by braced system, U type and constitutes. Braced system is evenly fixed in the three side of bent cap with the bolt and forms according to a determining deviation by the prefabricated support element of multiunit. The U type examines and repair the platform to comprise three sub - platforms that mutual independence just establishes one's own system, and every sub - platform all is a prefabricated frame construction that stablizes who forms that welds. It is become by pre -buried U shaped steel muscle, channel -section steel outrigger and the terraced well group of perpendicular decurrent prefabrication to overhaul the cat ladder. The access door comprises curvilinear figure steel plate door, pre -buried hinge, pre -buried dog, pre -buried U type catch and a plurality of connecting bolt. It is harmonious pleasing to the eye to overhaul the device, and application scope is wide, and is convenient for realize prefabricated fabricated construction standardized, the batch production, is suitable for and popularizes and applies on a large scale.
Description
Technical field
The utility model belongs to civil engineering bridge field, is specifically related to a kind of prefabricated assembled bridge standard apparatus for examination and repair.
Background technology
Along with extensive use on prefabricated PC concrete composite beam bridge at home highway engineering, a lot of bridge that China is built and yet to be built and grand bridge are 20 ~ 40m across the Mid and minor spans T beam bridge in footpath and small box girder bridge, this type of bridge huge number, and there is a fairly large number of feature of bridge pier.Current specifications requires the high pier for this type of bridge, and all should arrange apparatus for examination and repair, therefore apparatus for examination and repair magnitude setting is on a grand scale.Current existing bridge maintenance device is mostly specially designed by a certain specific bridge construction, and the scope of application is little, and site operation workload is large, process is numerous and diverse, is difficult to meet programming requirement, cannot ensures construction quality.These shortcomings all limit large-scale application and the popularization of traditional apparatus for examination and repair, make it to be difficult to meet the actual operation demand of bridge.
Utility model content
In order to overcome the deficiency of existing bridge maintenance device, the utility model provides a kind of prefabricated assembled bridge standard apparatus for examination and repair, and this apparatus for examination and repair is based on Parametric designing, applied widely, and be convenient to realize standardization, factorial construction, be suitable for carrying out large-scale promotion application.
This bridge maintenance device described in the utility model is made up of support system, U-shaped inspection platform, maintenance cat ladder 6 and access door 7 four part: maintenance personnel open access door 7 from bridge floor and enter maintenance cat ladder 6, advance downwards along maintenance cat ladder stair shaft, finally arrive the C platform 5 be supported on support system, the inspection in three directions can be carried out by U-shaped inspection platform to pier dome-shaped condition.
Support system is evenly arranged in bent cap 1 (or bridge pier) three sides by multiple support unit 2 and forms.All support units 2 are all arranged perpendicular to bent cap 1 (or bridge pier) surface, have nothing to do with bridge skew angle.The steel plate 24 of vertical channel-section steel 21, horizontal corner steel 22, oblique angle steel 23 and prepared screw-bolt hole is by being welded to form a stable support unit 2.Support unit 2 is fixed on bent cap 1 (or bridge pier) surface by the stone bolt 25 that 4 are embedded in bent cap 1 (or bridge pier) in advance.
Inspection platform is divided into A platform 3, B platform 4 and C platform 5 three part according to three sides of bent cap 1 (or bridge pier), and every part is one by two stressed longerons 31, platform two heel post 32, railing 33, handrail 34, some stressed crossbeams 35 and the prefabricated stable framework be welded of checkered plates 36.
Maintenance cat ladder 6 is primarily of embedded U-shaped reinforcing bar 64, outrigger 63, stair shaft three part composition.Vertically downward, rectangular cross section, stair shaft forms tower structure by the horizontal corner steel 62 in four corner's angle steel 61 and four faces to stair shaft, and horizontal corner steel 62 all possesses the function of marking time with security protection.Three sides of stair shaft extend downward inspection platform handrail 34 height, and another side extends to inspection platform checkered plates 36 height downwards always.Whole stair shaft deadweight and load are born by two outriggers 63 stretching out the girder edge of a wing, and every root outrigger 63 is fixed by the U-shaped reinforcing bar 64 that three are embedded in girder frange plate.
Access door 7 is made up of steel plate door, pre-buried hinge 72, embedded U-shaped lock ring 73, pre-buried block 74 and multiple connecting bolt 75.Wherein steel plate door is made up of shaped form steel plate 711, two the q type lock rings 712 being welded in the steel plate back side and vertical transverse stiffener 713.Pre-buried hinge 72 standing part is embedded in guardrail preformed hole lower concrete surface, and shaped form steel plate 711 and hinge 72 movable part, by bolt 75 bolt, realize opening and closedown of shaped form steel plate 711 by wrapping page 72 rotating shaft rotation.Shaped form steel plate 711 curve is linear linear consistent with concrete wall type anticollision barrier 76 inner surface, can combine together when shaped form steel plate 711 is closed with around guardrail 76, harmonious attractive in appearance.
Compared with prior art, the utility model remarkable advantage: (1) each ingredient structure standardization and separate, be suitable in factory unified prefabricated, on-the-spot lifting assembling, overwhelming majority welding job completes when being all prefabricated in the factory, construction speed and welding quality can be ensured, can be used for large-scale promotion construction; (2) each support unit forming support system all carries out bolt by the stone bolt be embedded in advance in bent cap (or bridge pier) to be fixed, and avoids overhead welding operation and welds high temperature to the damage of concrete surface; (3) three sub-platforms of U-shaped inspection platform are frame construction, and all there are column, railing and handrail in both sides, have the convenient lifting of stabilising system of one's own and can arrange away from bridge pier as required, expanding the scope of application of platform; (4) three sides of overhauling cat ladder rectangle stair shaft extend downward inspection platform handrail height, and another side extends to inspection platform checkered plates height downwards always, such an arrangement avoids the non-rectangle inspection platform of skew bridge and conflicting of rectangle cat ladder well, both junction easy constructions; (5) linear harmonious inside access door shaped form steel plate profile and concrete wall type anticollision barrier, better can be melted into surrounding enviroment, harmonious attractive in appearance.
Accompanying drawing explanation
Fig. 1 is prefabricated assembled bridge standard apparatus for examination and repair entirety composition schematic diagram.
Fig. 2 is support system composition schematic diagram.
Fig. 3 is A platform, B platform, C platform composition schematic diagram.
Fig. 4 is maintenance cat ladder composition schematic diagram.
Fig. 5 is support unit composition schematic diagram.
Fig. 6 is the composition schematic diagram of access door opening.
1. bent caps in figure, 2. a support unit of support system, 3. the A platform of inspection platform, 4. the B platform of inspection platform, 5. the C platform of inspection platform, 6. overhaul cat ladder, 7. access door, the vertical channel-section steel of 21. support unit, 22. support unit horizontal corner steels, the oblique angle steel of 23. support unit, 24. support unit steel plates, 25. support unit pre-embedded anchoring bolts, 31. inspection platform longerons, 32. inspection platform columns, 33. inspection platform railings, 34. inspection platform handrails, 35. inspection platform crossbeams, 36. inspection platform checkered platess, the vertical angle steel of 61. maintenance cat ladder stair shaft, 62. maintenance cat ladders are marked time, 63. maintenance cat ladder outriggers, the U-shaped reinforcing bar of 64. maintenance cat ladder, 711. access door shaped form steel plates, 712.q type lock ring, 713. access door stiffening ribs, 72. access door hinges, 73.U type lock ring, 74. pre-buried blocks, 75. connecting bolts, 76. concrete wall type anticollision barriers.
Detailed description of the invention
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with specific embodiments and the drawings, setting forth the utility model further.
See Fig. 1, this bridge maintenance device described in the utility model is made up of support system, U-shaped inspection platform (A platform 3, B platform 4, C platform 5), maintenance cat ladder 6 and access door 7 four major part.
See Fig. 2, support system by organizing separate precast support unit 2 according to being not less than 0.5m and the spacing being not more than 1.2m is evenly arranged in bent cap 1 (or bridge pier) three sides and forms more.Each support unit is all arranged perpendicular to bent cap 1 (or bridge pier) surface.
With further reference to Fig. 5, each support unit 2 is welded by the steel plate 24 of vertical channel-section steel 21, horizontal corner steel, 22, oblique angle steel 23 and one piece of prepared screw-bolt hole.Different bent cap 1 height dimensions is adapted to by selecting the vertical channel-section steel 21 of different length.All support units 2 all in the unified welding of inside plants, are fixed on bent cap 1 (or bridge pier) surface by 4 L-type pre-embedded anchoring bolts 25 at the construction field (site).
See Fig. 3, U-shaped inspection platform is made up of A platform 3, B platform 4 and C platform 5 three sub-platforms.Prefabricated three sub-platforms of unified welding in factory, lift by crane assembled at the scene and by the method for welding, A platform 3 is connected with B platform 4, B platform 4 is connected with C platform 5.Each sub-platform forms stable frame construction by two horizontal girders 31, some vertical column 32, both sides horizontal rails 33, handrail 34 and the some horizontal girds 35 be parallel to each other in both sides, wherein: two channel-section steel longeron 31 clear distances are within the scope of 0.45m ~ 1.0m and be parallel to supporting bridge line and be arranged in platform bottommost; Angle steel column 32 is highly not less than 0.9m spacing and is not more than 1.0m, and angle steel column 32 vertical welding on longeron 31, and is respectively in platform both sides; Railing 33 and handrail 34 are angle steel, and the void pitch formed between reinforcement member is not more than 0.5m, are parallel to longeron 31 and are welded on column 32; Horizontal corner steel crossbeam 35 vertical welding between two longerons 31 and spacing be evenly arranged within the scope of 0.6m ~ 1.0m; Checkered plates 36 is layed on crossbeam 35 and thickness is not less than 4mm.
See Fig. 4, maintenance cat ladder 6 is made up of six roots of sensation embedded U-shaped reinforcing bar 64, two channel-section steel outriggers 63 and prefabricated stair shaft three part.Prefabricated stair shaft is arranged vertically downward, and rectangular in cross-section, and prefabricated stair shaft is marked time by vertical angle steel 61 and horizontal corner steel and 62 formed tower structure.Vertical angle steel 61 has 4, be arranged in prefabricated stair shaft corner and clear distance between 0.5 ~ 0.8m; Mark time 62 vertical weldings between vertical angle steel 61, be vertically evenly arranged and spacing between 0.2 ~ 0.3m, 62 functions with security protection of marking time.Three sides of stair shaft extend downward inspection platform handrail 34 height, and another side extends to inspection platform checkered plates 36 height downwards always.Whole stair shaft deadweight and load are born by the two channel-section steel outriggers 63 stretching out the girder edge of a wing, and be connected by field welding between outrigger 63 with prefabricated stair shaft, every root outrigger 63 is fixed by three single u-shaped reinforcing bars 64, and U-shaped reinforcing bar 64 is embedded in girder frange plate.
See Fig. 6, access door 7 is made up of steel plate door, pre-buried hinge 72, embedded U-shaped lock ring 73, pre-buried block 74 and multiple connecting bolt 75.Steel plate door by shaped form steel plate 711, be welded in the steel plate back side two q type lock rings 712 and vertical transverse stiffener 713 is prefabricated is welded.Pre-buried hinge 72 standing part is embedded in guardrail preformed hole lower concrete surface, and shaped form steel plate 711 and hinge 72 movable part are by bolt 75 bolt.Two pre-buried parts of block 74 are arranged vertically within the concrete of guardrail preformed hole both sides, and exposed portion is for limiting anglec of rotation when steel plate door closes.Embedded U-shaped lock ring 73 aligns with the q type lock ring 712 be welded on steel plate door, locks for access door 7.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and manual just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. a prefabricated assembled bridge standard apparatus for examination and repair, be made up of support system, U-shaped inspection platform, maintenance cat ladder and access door four part, support system by organizing separate precast support unit according to being not less than 0.5m and the spacing being not more than 1.2m is evenly arranged in bent cap or bridge pier three sides and forms more, and each support unit is all arranged perpendicular to bent cap or bridge pier surface, support unit is formed by the Plate Welding of a vertical channel-section steel, horizontal corner steel, an oblique angle steel and one piece of prepared screw-bolt hole, U-shaped inspection platform is by the separate and A platform established one's own system, B platform and C platform three sub-platform compositions, the two channel-section steel longeron clear distances comprised in each sub-platform within the scope of 0.45m ~ 1.0m and be parallel to supporting bridge line arrange, highly be not less than 0.9m and the angle steel uprights vertical that spacing is not more than 1.0m is welded on longeron and is respectively in platform both sides, distance is not more than the railing of 0.5m and handrail is parallel to longitudinal beam welding on column each other, the horizontal corner steel beam vertical that spacing is evenly arranged within the scope of 0.6m ~ 1.0m is welded between two longerons, the checkered plates that thickness is not less than 4mm is layed on crossbeam, maintenance cat ladder is made up of 6 embedded U-shaped reinforcing bars, two channel-section steel outriggers and square-section vertically downward prefabricated stair shaft three part, the vertical angle steel clear distance of four corners of stair shaft, between 0.5 ~ 0.8m, to be vertically evenly arranged and spacing marks time vertical welding between these four vertical angle steel between 0.2 ~ 0.3m, access door is made up of steel plate door, pre-buried hinge, pre-buried block, embedded U-shaped lock ring and connecting bolt, steel plate door is made up of shaped form steel plate, the vertical transverse stiffener being welded in the steel plate back side and two q type lock rings, pre-buried hinge standing part is embedded in guardrail preformed hole lower concrete surface, and shaped form steel plate and hinge movable part pass through bolted-on.
2. one according to claim 1 prefabricated assembled bridge standard apparatus for examination and repair, is characterized in that: support unit can by the vertical channel-section steel length of adjustment to adapt to the bent cap of differing heights; Bent cap or bridge pier surface is fixed on by 4 L-type pre-embedded anchoring bolts at the construction field (site) after the prefabricated welding of support unit.
3. one according to claim 1 prefabricated assembled bridge standard apparatus for examination and repair, is characterized in that: each sub-platform forming U-shaped inspection platform be one by horizontal girder, the vertically prefabricated stable framework be welded of column, horizontal rails, horizontal handrail and horizontal gird.
4. one according to claim 1 prefabricated assembled bridge standard apparatus for examination and repair, is characterized in that: three sides of maintenance cat ladder rectangle stair shaft extend downward inspection platform handrail height and another side extends to inspection platform checkered plates height downwards always.
5. one according to claim 1 prefabricated assembled bridge standard apparatus for examination and repair, is characterized in that: access door steel plate is shaped form and linear consistent with inside concrete wall type anticollision barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520709120.9U CN205062679U (en) | 2015-09-11 | 2015-09-11 | Device is examined and repaired to prefabricated assembled bridge standard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520709120.9U CN205062679U (en) | 2015-09-11 | 2015-09-11 | Device is examined and repaired to prefabricated assembled bridge standard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205062679U true CN205062679U (en) | 2016-03-02 |
Family
ID=55389255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520709120.9U Expired - Fee Related CN205062679U (en) | 2015-09-11 | 2015-09-11 | Device is examined and repaired to prefabricated assembled bridge standard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205062679U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547227A (en) * | 2018-06-07 | 2018-09-18 | 宁波交通工程建设集团有限公司 | Modularization bridge pier inclosure structure and construction method |
| CN110685230A (en) * | 2019-11-11 | 2020-01-14 | 四川铁创科技有限公司 | Foam sandwich integrated pouring composite pier hanging basket |
| CN111688880A (en) * | 2020-05-11 | 2020-09-22 | 中船澄西船舶修造有限公司 | Integrated auxiliary engine SCR reactor platform |
| CN111705668A (en) * | 2020-06-19 | 2020-09-25 | 山西省交通规划勘察设计院有限公司 | Method for fixedly connecting highway bridge pier support overhauling fence and bridge pier |
-
2015
- 2015-09-11 CN CN201520709120.9U patent/CN205062679U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547227A (en) * | 2018-06-07 | 2018-09-18 | 宁波交通工程建设集团有限公司 | Modularization bridge pier inclosure structure and construction method |
| CN108547227B (en) * | 2018-06-07 | 2024-02-06 | 宁波交通工程建设集团有限公司 | Modular pier surrounding cage structure and construction method |
| CN110685230A (en) * | 2019-11-11 | 2020-01-14 | 四川铁创科技有限公司 | Foam sandwich integrated pouring composite pier hanging basket |
| CN111688880A (en) * | 2020-05-11 | 2020-09-22 | 中船澄西船舶修造有限公司 | Integrated auxiliary engine SCR reactor platform |
| CN111705668A (en) * | 2020-06-19 | 2020-09-25 | 山西省交通规划勘察设计院有限公司 | Method for fixedly connecting highway bridge pier support overhauling fence and bridge pier |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205062679U (en) | Device is examined and repaired to prefabricated assembled bridge standard | |
| CN108360380B (en) | Bridge pier column construction operation platform and construction method thereof | |
| CN109610817A (en) | Cross beam falsework and its design and construction method | |
| CN113158295A (en) | Construction method applied to formwork support frame based on BIM formwork self-assembly technology | |
| CN103590603A (en) | Large-span multi-curvature thin shell reinforced concrete structure construction method | |
| CN111270692A (en) | Construction method and structure of assembled anchor rod lattice beam | |
| CN101298796A (en) | Self-bearing type preprocessing component, self-bearing type preprocessing concrete structure and construction method thereof | |
| CN111648229A (en) | Assembled hoop platform for bent cap construction and mounting method thereof | |
| CN107338809A (en) | Subway station portal template and its Fast Installation construction method under super-high voltage | |
| CN208345549U (en) | A kind of additional elevator shaft structure of assembled being adapted to jack-up construction | |
| CN111305582A (en) | Building falling prevention construction steel platform based on BIM and application method thereof | |
| KR100377868B1 (en) | pier construction method using Pier scaffolding | |
| CN211775752U (en) | Outer batter post template steel pipe scaffold support system | |
| CN212176590U (en) | Outer frame safety protection structure is exempted from to assembled building | |
| CN213328707U (en) | Thin-wall pier high-altitude operation combined platform | |
| CN212388567U (en) | Structure of assembled anchor rod lattice beam | |
| CN203765784U (en) | Fixed drawing-inserting type installing mould frame for prefabricated T-beam rib plate reinforcing steel bar and pre-stressed pipeline | |
| CN203701567U (en) | Steel pipe scaffold provided with safety facility | |
| CN114439253A (en) | Hanging construction method for wrapping concrete on peripheral part of steel beam | |
| CN108797350B (en) | Tower column inner and outer stiff skeleton device and construction method thereof | |
| CN206736745U (en) | Goods-shelf type pier shaft external scaffolding | |
| CN208267379U (en) | A kind of trapezoidal steel structure support being used to support 24-32m cast-in-situ box girder and adjustable span | |
| CN206360079U (en) | A kind of frame structure | |
| CN206205475U (en) | A kind of vertical opening protective device of shear wall structure | |
| CN204326526U (en) | Concrete column cast-in-place structural traveling shuttering support system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20210911 |