CN207062787U - Can Fast Installation remove maintenance construction platform - Google Patents
Can Fast Installation remove maintenance construction platform Download PDFInfo
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- CN207062787U CN207062787U CN201720450618.7U CN201720450618U CN207062787U CN 207062787 U CN207062787 U CN 207062787U CN 201720450618 U CN201720450618 U CN 201720450618U CN 207062787 U CN207062787 U CN 207062787U
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- triangular truss
- bridge structure
- platform
- structure body
- suspension bracket
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Abstract
The utility model discloses it is a kind of can Fast Installation remove maintenance construction platform, including：Suspension bracket plateform system, lifting mobile system and anchor system；The lifting mobile system is arranged on bridge structure body, for lifting and moving the suspension bracket plateform system；The triangular truss girder is fixed on the lower section of bridge structure body by the anchor system；The suspension bracket plateform system includes：Multiple triangular truss girders, it is arranged at the lower section of bridge structure body, and along the genesis analysis of bridge structure body；Secondary beam, interval is fixed with multiple secondary beams on two neighboring triangular truss girder, to form the stress frame of plateform system；Panel, it is laid and is fixed on the secondary beam to form platform.The utility model proposes a kind of economic and practical, structure safety, the maintenance construction platform that can quickly remove installation, it is ensured that bridge strengthening effect and quality, it is ensured that construction safety, improve the operating efficiency of construction.
Description
Technical field
It the utility model is related to technical field of bridge engineering.More specifically, the utility model is related to one kind can quickly pacify
Assemble and disassemble the maintenance construction platform removed.
Background technology
The cycle maintenance of bridge and maintenance and reinforcement have turned into the new focus of bridge engineering construction, and maintenance construction platform is as bridge
One of important process platform of beam reinforcing engineering, its structure type, applicability, security and economy are increasingly by engineering skill
The attention of art personnel.In Bridge repair and reinforcement construction, for different bridge overviews, existing maintenance construction platform has beam bottom
The forms such as full hall steel pipe scaffold, bridge inspection vehicle, fixed inspection platform, construction suspension bracket.
The full hall steel pipe scaffold in beam bottom is high to ground requirement for bearing capacity, and labor strength is high, and support is costly, sets up work
Phase is longer, is only applicable to the very small land bridge of under-clearance.
Bridge inspection vehicle is flexible and convenient to use, but expense is very high, and is limited by bridge-checking vehicle working load, workmen's number
Measure restricted, it is impossible to adapt to large-scale material and equipment, be only applicable to light maintenance construction, and part pavement is wider or abdomen
The higher bridge of plate can not use.
Fixed inspection platform is equally limited, workmen's limited amount system by working load using more convenient, it is impossible to suitable
Large-scale material and equipment are answered, is only applicable to light maintenance construction, and in terms of existing situation, typically only grand bridge just configures admittedly
Determine inspection platform.
Construction suspension bracket is the principal mode that current bridge maintenance construction platform uses, but in existing construction suspension bracket, is existed
That hanger structure is heavy, can not be used in turn and causes costly, construction platform not firm enough or the shortcomings that long construction period.
To ensure bridge strengthening effect and quality, it is ensured that construction safety, mitigate the labor intensity of worker, improve the work of construction
Make efficiency, the easy construction suspension bracket platform of a kind of economic and practical, structure safety of design, assembly and disassembly is particularly important.
Utility model content
A purpose of the present utility model is that solve at least the above, and provides the advantages of at least will be described later.
It is to avoid the weak point present in prior art that the utility model, which also has a purpose, is proposed a kind of economical suitable
With, structure safety, it can quickly remove the maintenance construction platform of installation, it is ensured that bridge strengthening effect and quality, it is ensured that construction peace
Entirely, the operating efficiency of construction is improved.
In order to realize according to these purposes of the present utility model and further advantage, there is provided it is a kind of can Fast Installation remove
Construction platform is overhauled, including：Suspension bracket plateform system, lifting mobile system and anchor system；The lifting mobile system is set
In on bridge structure body, for lifting and the mobile suspension bracket plateform system；The anchor system fixes suspension bracket plateform system
In the lower section of bridge structure body；Wherein,
The suspension bracket plateform system includes：
Multiple triangular truss girders, it is arranged at the lower section of bridge structure body, and along the genesis analysis of bridge structure body；
Secondary beam, interval is fixed with multiple secondary beams on two neighboring triangular truss girder, to form plateform system
Stress frame；
Panel, it is laid and is fixed on the secondary beam to form platform.
Preferably,
The secondary beam is the wall thickness 3.5mm steel pipes of φ 48；
The triangular truss girder is assembled by triangular truss section, and the triangular truss segmental length is 3
~5m, it includes：
Two top booms, it is the wall thickness 3.5mm steel pipes of φ 48, and two top boom horizontal intervals, the 0.4~0.8m is set；
A piece lower boom, it is the wall thickness 5mm steel pipes of φ 60, and the lower boom is arranged at below two top booms and on two
The distance of chord member is equal, and the spacing between equal to two top booms；
Head rod, it connects two top booms and a lower boom to form an entirety, and described first connects
Extension bar is the wall thickness 3mm steel pipes of φ 28.
Preferably, the spacing of adjacent triangle truss girder is arranged to 1~4m, the phase on a pair of triangular truss girders
Adjacent time case bay is 1~2m.
Preferably, the Lift-on/Lift-off System includes lifting trolley and hoist engine.
Preferably, the anchor system is fixture and shackle；
The bottom of the fixture has groove, and to block the guardrail of bridge structure, the fixture is located at outside guardrail
Side is extended downwardly and forms a through hole, and shackle is fixed with the through hole, with the fixed steel wire for lifting triangular truss girder
Rope；The fixture upper surface is located at the outer one end of guardrail and upwardly extends to form reinforcement face along its avris.
The utility model comprises at least following beneficial effect：
1st, the inspection platform system components complete in factory, the quality of making can be effectively ensured, really
Protect the safety of inspection platform system in use；
2nd, the weight of each component units of inspection platform system is smaller, and largest unit weight is triangular truss section
130k g, in the case of can not having to by heavy mechanical equipment, by artificial shift under assembled, dismounting and bridge completely, it is non-
It is often easy；
3rd, the lifting trolley of the inspection platform system, this can be longitudinally moved to across any after truss girder is sling
Specified location；
4th, the length of the inspection platform system and width can be adjusted as needed, and direction across bridge width can be section
Segment length 4.4m integral multiple, it can be 4m integral multiple to indulge bridge to length, be almost adapted to all types of bridges；
5th, the truss girder section of the suspension bracket plateform system uses the section form of del, is a kind of very rational
Force structure form, bearing capacity can reach very high, can meet all bridge strengthening construction loads requirements, and steel using amount
Less than 10kg/m2, it is very economical；
6th, the truss girder section of the suspension bracket plateform system is made by unified moulding bed, can be between any section
It is attached, repeats and utilize, reduce construction cost；
7th, the secondary beam of the suspension bracket plateform system employs the common scaffolding steel pipes of φ 48mm, can lease, and repeats and utilizes, non-
Chang Jingji, while scaffold tubes are connected by fastener with truss girder, construction is very convenient and reliable.
Further advantage, target and feature of the present utility model embody part by following explanation, and part will also pass through
Research of the present utility model and practice are understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 is the structural representation of maintenance construction platform of the present utility model；
Fig. 2 is that the utility model triangular truss girder and secondary beam set up schematic diagram；
Fig. 3 is the structural representation of the utility model triangular truss section；
Fig. 4 is the structural representation of fixture.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to explanation
Book word can be implemented according to this.
In description of the present utility model, term " transverse direction ", " longitudinal direction ", " on ", " under ", "front", "rear", "left", "right",
The orientation or position relationship of the instruction such as " vertical ", " level ", " top ", " bottom ", " interior ", " outer " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of description the utility model and simplifies description, is not instruction or implies signified device or member
Part must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
As shown in figures 1-4, present embodiments provide it is a kind of can Fast Installation remove maintenance construction platform, including：Suspension bracket
Plateform system, lifting mobile system and anchor system；The lifting mobile system is arranged on bridge structure body, for hanging
Dress and the mobile suspension bracket plateform system；Suspension bracket plateform system is fixed on the lower section of bridge structure body by the anchor system；Its
In,
The suspension bracket plateform system includes：
Multiple triangular truss girders 1, it is arranged at the lower section of bridge structure body, and divides along the longitudinal direction of bridge structure body
Cloth；
Secondary beam 6, interval is fixed with multiple secondary beams 6 on two neighboring triangular truss girder 1, to form plateform system
Stress frame；
Panel, it is laid and is fixed on the secondary beam 6 to form platform.
Wherein, the secondary beam 6 is the wall thickness 3.5mm steel pipes of φ 48；
The triangular truss girder 1 is assembled by triangular truss section, and the triangular truss segmental length is
3~5m, the triangular truss girder 1 are made by moulding bed, and it includes：
Two top booms 11, it is the wall thickness 3.5mm steel pipes of φ 48, two top booms 11, the 0.4~0.8m of horizontal interval
Set；
A piece lower boom 12, it is the wall thickness 5mm steel pipes of φ 60, the lower boom 12 be arranged at two lower sections of top booms 11 with
The distance of two top booms 11 is equal, and the spacing between equal to two top booms 11；
Head rod, it connects two top booms 11 and a lower boom 12 to form an entirety, and described
One connecting rod is the wall thickness 3mm steel pipes of φ 28.Concrete structure such as Fig. 3, every three head rods 13 are one group and are spliced to form positive three
It is angular, and three head rods are connected with two top booms 11 and a lower boom 12 respectively, every group is spaced apart,
Three second connecting rods 14 are set again between two adjacent groups head rod, respectively positioned at three of triangular truss girder 1
Face, and three second connecting rods are respectively positioned at the different summits for two groups of head rods for forming equilateral triangle.
The spacing of adjacent triangle truss girder 1 is arranged to 1~4m, the adjacent secondary beam 6 on a pair of triangular truss girders 1
Spacing is 1~2m.
Wherein, the Lift-on/Lift-off System includes lifting trolley 2 and hoist engine 3.
The anchor system is fixture 4 and shackle；
The bottom of the fixture 4 has groove, and to block the guardrail of bridge structure, the fixture 4 is located at outside guardrail
Side extend downwardly and form a through hole, shackle is fixed with the through hole, with the steel of fixed lifting triangular truss girder 1
Cord 5；The upper surface of fixture 4 is located at the outer one end of guardrail and upwardly extends to form reinforcement face along its avris, as shown in figure 4, mending
Strong face includes three faces, wherein the longitudinal cross-section in two relative faces is trapezoidal.Using the fixture 4 of the application directly according to bridge
The guardrail size of beam is made, and direct back-off, without other fixtures 4, without the structure that destroys a bridge that drills, is constructed simple on guardrail
It is single quick, it also ensure that the structure of bridge is not destroyed.
In the above-mentioned technical solutions, the horizontal direction of triangular truss girder 1 and bridge structure body be arranged in parallel, triangle
The length of truss girder 1 is spliced according to the lateral separation of bridge structure body, and the length of final triangular truss girder 1 is three
The integral multiple of angular truss segmental length, the vertical bridge length of inspection platform are the integral multiple of the spacing of adjacent triangle truss girder 1.
Triangular truss girder 1 is assembled using the pipe fitting of above parameter, and existing inspection platform can be overcome the limitation of working load to be present,
Large-scale material and equipment are adapted to, and inspection platform need not take the bottom surface below bridge, not influence traffic under bridge.Inspection platform is real
Major part is showed to complete in factory, the quality of making has both been effectively ensured, has improved the component efficiency of construction platform again.
Can Fast Installation remove maintenance construction platform construction method, comprise the following steps：
Step 1：The section of triangular truss girder 1 is prefabricated in the factory completion, and triangular truss section is transported into bridge structure
Appointed place under body, the quantity of triangular truss section is determined according to the transverse width of bridge structure body and spelled by high-strength bolt
Dressing up turns into a triangular truss girder 1.The implementation of the step, field fabrication girder is eliminated, save the engineering time, and
It more ensure that the quality of triangular truss girder 1.
Step 2：Pre- setting-out is carried out to the position of secondary beam 6, and fastener is fastened on triangle according to the setting-out position of secondary beam 6
On the top boom 11 of shape truss girder 1, so as to form inspection platform frame structure.
Step 3：Lifting trolley 2 is moved to specified location in bridge structure body, the hoist engine 3 being arranged on lifting trolley 2
It is connected by steel wire rope with the both ends of triangular truss girder 1 and is lifted to specified altitude assignment；
Step 4：Mobile lifting trolley 2 as needed, specified location is moved to by the triangular truss girder 1 after lifting；
Step 5：The mounting fixing parts 4 on the guardrail of the bridge structure body of specified location, will sling triangular truss girder
1 steel wire rope is connected by buckle and fixed with fixture 4, while releases the connection of hoist engine 3 and steel wire rope；
Step 6：One is repeated the above steps to step 5, completes the lifting of all triangular truss girders 1, and all lead to
Cross steel wire rope to be fastened on the guardrail of bridge structure body with fixture 4, as shown in Figure 1.
Step 7：Secondary beam 6 combines triangular truss girder 1 by the fastener being fixed on triangular truss girder 1
Into platform stress frame；
Step 8：By panel by iron wire banding fixed on secondary beam 6, and platform edges set up guardrail and expire extension safety
Net, form the maintenance construction platform.
Step 9：The dismounting of platform is implemented according to the inverse process of one~step 8 of above-mentioned steps.
The utility model is further illustrated with reference to specific embodiment and principle.
The inspection platform of the application is applied to Chongqing Guizhou Province Chongqing and closes highway bridge Defects Treatment engineering, numb Liu Ping bridges are positioned at Chongqing
Military high speed K 41+500；Bridge grows 540 meters, and bridge floor single width is wide 12.5 meters；Across footpath combines：18×30m；Structure type is prestressing force letter
Branch hollow slab girder, column pier, pile foundation.In the case, triangular truss segmental length is 4.4m, adjacent triangle truss master
The center spacing of beam is 4m, and because bridge floor single width is wide 12.5 meters, therefore the length of triangular truss girder is arranged to 13.2m (i.e.
Assembled three triangular truss segmental lengths), the secondary beam for being again in the air 1.2m with spacing connects into integral support, final support
Length reach 28.6m.Bamboo springboard (panel) is paved with platform.In the both sides of the inspection platform scaffold tubes of φ 48, wall thickness
3.5mm, 1.5 meters/root of spacing completely hang safety guard net, and protection network is high 1.2 meters.The steel wire rope of lifting and suspension uses the steel of Ф 16
Cord, rupture pull force summation 149KN.
The most important utility model point of the utility model is only to need simple assembled and lifting realizing prefabrication scene
Inspection platform is formed, and the platform made can place large-scale material and equipment, carry out big patch work, ensure that platform
High load, inspection platform being capable of load-bearing in the above-described embodiment：2100kg/ girders × 8 girders=16800kg, i.e., 16.8 tons,
Can meet the needs of carrying all maintenance ruggedized equipments.
Confirmed below by checking computations
1. load calculates (single triangular truss girder)：
a：The gravity load such as steel tube fastener and panel：1000kg
b：Bear crowd, construction loads：2100kg is born by every truss uniformly to calculate,
Calculated (2 top boom stress of top surface) by evenly load：
Q=(1000+2100) × 10/ (13.2 × 2) ≈ 1200N/m=1.2KN/m
2. model is established and calculated
Calculate and consider monolithic truss deadweight+least favorable load, using monolithic truss as stress object, built using MIDAS6.71
Formwork erection type is as follows, and pricncipal rafter is 2 48 × 3.5mm of φ, and lower boom is 60 × 5mm of φ, diagonal brace pull bar, depression bar and vertical depression bar
For 28 × 3mm of φ.
3. structural checking computation
1) strength checking
σ max=143MPa<[σ]=200MPa
Satisfaction requires
2) rigidity checking
F=43mm<L/300=44mm
Satisfaction requires
3) Stability Checking
It is 55KN according to above-mentioned calculating top boom maximum pressure.
Component slenderness ratio is when both ends consolidate:λ=l/r=0.6/0.01578=38
Buckling coefficient is φ=0.442, then:ψ=0.92
σ=N/ (Am ψ)=550/ (4.893 × 0.92)=122Mpa<[σ]=200MPa
Meet to require.
Although embodiment of the present utility model is disclosed as above, it is not restricted in specification and embodiment
Listed utilization, it can be applied to various suitable fields of the present utility model completely, for those skilled in the art,
Other modification is easily achieved, therefore under the universal limited without departing substantially from claim and equivalency range, this reality
Specific details is not limited to new and shown here as the legend with description.
Claims (5)
1. it is a kind of can Fast Installation remove maintenance construction platform, it is characterised in that including：Suspension bracket plateform system, lifting movement
System and anchor system；The lifting mobile system is arranged on bridge structure body, is put down for lifting and moving the suspension bracket
Platform system；The suspension bracket plateform system is fixed on the lower section of bridge structure body by the anchor system；Wherein,
The suspension bracket plateform system includes：
Multiple triangular truss girders, it is arranged at the lower section of bridge structure body, and along the genesis analysis of bridge structure body；
Secondary beam, interval is fixed with multiple secondary beams on two neighboring triangular truss girder, to form the stress of plateform system
Skeleton；
Panel, it is laid and is fixed on the secondary beam to form platform.
2. as claimed in claim 1 can Fast Installation remove maintenance construction platform, it is characterised in that
The secondary beam is the wall thickness 3.5mm steel pipes of φ 48；
The triangular truss girder is assembled by triangular truss section, and the triangular truss segmental length is 3~5m,
It includes：
Two top booms, it is the wall thickness 3.5mm steel pipes of φ 48, and two top boom horizontal intervals, the 0.4~0.8m is set；
A piece lower boom, it is the wall thickness 5mm steel pipes of φ 60, and the lower boom is arranged at below two top booms and two top booms
Distance it is equal, and equal to the spacing between two top booms；
Head rod, two top booms and a lower boom are connected to form an entirety, the head rod by it
For the wall thickness 3mm steel pipes of φ 28.
3. as claimed in claim 1 or 2 can Fast Installation remove maintenance construction platform, it is characterised in that adjacent triangle
The spacing of truss girder is arranged to 1~4m, and the adjacent secondary case bay on a pair of triangular truss girders is 1~2m.
4. as claimed in claim 1 can Fast Installation remove maintenance construction platform, it is characterised in that the Lift-on/Lift-off System bag
Include lifting trolley and hoist engine.
5. as claimed in claim 1 can the maintenance construction platform removed of Fast Installation, it is characterised in that the anchor system is
Fixture and shackle；
The bottom of the fixture has groove, and to block the guardrail of bridge structure, the fixture is located at the side outside guardrail
Extend downwardly and form a through hole, shackle is fixed with the through hole, with the fixed steel wire rope for lifting triangular truss girder；
The fixture upper surface is located at the outer one end of guardrail and upwardly extends to form reinforcement face along its avris.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720450618.7U CN207062787U (en) | 2017-04-26 | 2017-04-26 | Can Fast Installation remove maintenance construction platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720450618.7U CN207062787U (en) | 2017-04-26 | 2017-04-26 | Can Fast Installation remove maintenance construction platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207062787U true CN207062787U (en) | 2018-03-02 |
Family
ID=61501535
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720450618.7U Active CN207062787U (en) | 2017-04-26 | 2017-04-26 | Can Fast Installation remove maintenance construction platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207062787U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106906756A (en) * | 2017-04-26 | 2017-06-30 | 武汉二航路桥特种工程有限责任公司 | Can Fast Installation remove maintenance operation platform and its construction method |
| CN111041982A (en) * | 2019-12-25 | 2020-04-21 | 贵州桥梁建设研究院有限公司 | Double-width bridge double-suspension-point bridge inspection vehicle |
-
2017
- 2017-04-26 CN CN201720450618.7U patent/CN207062787U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106906756A (en) * | 2017-04-26 | 2017-06-30 | 武汉二航路桥特种工程有限责任公司 | Can Fast Installation remove maintenance operation platform and its construction method |
| CN111041982A (en) * | 2019-12-25 | 2020-04-21 | 贵州桥梁建设研究院有限公司 | Double-width bridge double-suspension-point bridge inspection vehicle |
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