CN206157569U - Protective platform is construct to portable bridge - Google Patents
Protective platform is construct to portable bridge Download PDFInfo
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- CN206157569U CN206157569U CN201621143882.8U CN201621143882U CN206157569U CN 206157569 U CN206157569 U CN 206157569U CN 201621143882 U CN201621143882 U CN 201621143882U CN 206157569 U CN206157569 U CN 206157569U
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Abstract
The utility model belongs to the technical field of bridge engineering, specifically indicate a protective platform is construct to portable bridge, including hanging the platform and inciting somebody to action it hangs in the walking track below of steel truss bridge bottom and drives and hang the running gear of platform migration to hang the platform. Hang the platform and include by truss longeron and the fixed frame main part of splicing of truss beam, hang and locate preventing in the frame main part weighs down the net, locates preventing guardrail bar and spreading in the bearing bed course at truss longeron and truss beam top of frame main part edge. Hang running gear and locate the jib roof beam that truss longeron both ends and top were equipped with the free bearing including fixed, hang electronic walking dolly and triangular connecting plate on the walking track, the triangular connecting plate bottom is articulated through free bearing and jib roof beam, and upper portion is connected with two electronic walking dollies. Protective platform is construct to portable bridge simple structure, easily the preparation can cover whole construction region comprehensively, ensures constructor's life safety to help improving the efficiency of construction of bridge.
Description
Technical field
The utility model belongs to technical field of bridge engineering, refers specifically to a kind of movable type bridge and builds protective platform.
Background technology
In the steel truss girder bridge of mountain area in across steel truss girder cantilever construction, vertical range of the steel truss girder away from mountain valley bottom reaches hundreds of
Rice, steel truss girder is assembled to adopt purlin piece free cantilever erection, and rod member is more, and bolt construction quantities is big, and construction safety risk is big.It is existing
Construction protection scheme is mainly small guard hanger collocation safety belt, and protection hanger loading end is less, using more inconvenience, and applies
Even if workman person is equipped with when safety belt falls also encounters unavoidably hard thing or sharp object, therefore the integrated protection performance of this sets of plan
It is poor.
The content of the invention
The utility model is to overcome faultiness design present in existing highway bridge construction protection scheme to go out a kind of portable bridge
Beam builds protective platform.
Movable type bridge described in the utility model builds protective platform including suspension platform and is hung on the suspension platform
Steel truss girder bridge bottom walking track lower section and drive suspension platform migrate suspension walking mechanism.
The suspension platform includes being fixed the chassis body being spliced into by truss longeron and truss crossbeam, hang on the frame
Anti-drop net in frame body, located at chassis body edge guard rail and be laid on holding for truss longeron and truss cross rail top
Weight bed course.The suspension walking mechanism includes that being fixed at truss longeron two ends and top is provided with the suspension rod beam of free bearing, is hung on row
Electric walking dolly and the triangular connecting plate on track is walked, the triangular connecting plate bottom is hinged by free bearing with suspension rod beam, on
Portion is connected with two electric walking dollies.
Suspension platform is connected by hanging walking mechanism with steel truss girder bridge base track, little by controlling multiple stage electric walking
Car synchronous operation can more smoothly band moving platform be overall along bridge is indulged to movement, facilitates platform synchronous forward with bridge construction progress
Propulsion.
The electric walking dolly includes some groups of road wheels and motor, and each group road wheel is same by motor
Step drives, and such motor can simultaneously lock each group road wheel when stalling, and to electric walking dolly braking action is played.
The truss longeron is Bailey beam, and truss crossbeam is English truss beam.English truss girder construction is stablized, load-bearing property
It is good, and top surface is wider, and workmen and instrument can be carried as main platform after load-bearing bed course of mating formation, Bailey beam is then more light,
Mating formation can be used as the aisle between main platform after load-bearing bed course, and making suspension platforms from two kinds of different girder trusses contribute to control
Cost and mitigation platform deadweight.
The truss cross rail top is provided with steel reinforcing grid below load-bearing bed course, to strengthen supporting load-bearing bed course,
Further reinforce the support face of main platform.
The suspension platform also includes being set up in the reinforcing bar support grid in the chassis body below anti-drop net, can
Support is provided for anti-drop net, the safe fall-proof performance of platform is lifted.
The load-bearing bed course is bilayer D6 anticracking bar-mat reinforcements, with preferable load-bearing property.
Movable type bridge described in the utility model builds protective platform simple structure, it is easy to make, and can comprehensively cover whole
Construction area, ensures the life security of workmen, and is favorably improved the efficiency of construction of bridge.
Description of the drawings
Fig. 1：Movable type bridge builds the side view of protective platform；
Fig. 2：Structure enlarged diagram in Fig. 1 at A；
Fig. 3：Movable type bridge builds the front view of protective platform；
Fig. 4：Structure enlarged diagram in Fig. 3 at B；
Fig. 5：Structure enlarged diagram in Fig. 3 at C；
Fig. 6：Structure enlarged diagram in Fig. 3 at D；
Fig. 7：The suspension platform that movable type bridge is built in protective platform removes load-bearing bed course and the vertical view after guard rail
Figure.
Wherein：1- suspension platforms (11- truss longerons, 12- truss crossbeams, 13- anti-drop nets, 14- guard rails, 15- load-bearing
Bed course, 16- steel reinforcing grids, 17- reinforcing bar support grids), that 2- hangs walking mechanism, 3- suspension rod beams (31- free bearings), 4- is electronic
Walking dolly (41- road wheels, 42- motors), 5- triangular connecting plates, 6- walking tracks.
Specific embodiment
Build protective platform to movable type bridge described in the utility model with specific embodiment below in conjunction with the accompanying drawings to make into one
Step explanation.Contain " horizontal stroke " or " vertical " word in the title of ad hoc structure in specification is all with the bearing of trend of rod member, as horizontal stroke
Bridge to or vertical bridge to as foundation.
As shown in Fig. 1～7, movable type bridge described in the utility model is built protective platform including suspension platform 1 and will be hanged
Hang the suspension walking mechanism 2 that platform 1 is hung on the lower section of walking track 6 of steel truss girder bridge bottom and drives the migration of suspension platform 1.Hang
Platform 1 includes fixing the chassis body that splicing fixation is spliced into by truss longeron 11 and truss crossbeam 12, hang on the framework
Anti-drop net 13 in main body, located at chassis body edge guard rail 14 and be laid on truss longeron 11 and truss crossbeam 12 is pushed up
The load-bearing bed course 15 in portion.Hanging walking mechanism 2 includes that being fixed at the two ends of truss longeron 11 and top is provided with the suspension rod of free bearing 31
Beam 3, the electric walking dolly 4 and triangular connecting plate 5 being hung on walking track 6, the bottom of triangular connecting plate 5 passes through free bearing 31 and hangs
Bar beam 3 is hinged, and top is connected with two electric walking dollies 4.
Suspension platform 1 is connected by multiple suspension walking mechanisms 2 with walking track 6, little by controlling multiple stage electric walking
The synchronous operation of car 4 can more smoothly band moving platform it is overall along vertical bridge to movement, facilitate platform with bridge construction progress it is synchronous to
Front propulsion.
Electric walking dolly 4 includes some groups of road wheels 41 and motor 42, and each group road wheel 41 is electric by driving
Machine 42 is synchronous to be driven, and such motor 42 can simultaneously lock each group road wheel 41 when stalling, and to electric walking dolly 4 system is played
Action is used.
Truss longeron 11 is Bailey beam, and truss crossbeam 12 is English truss beam.English truss girder construction is stablized, load-bearing property
It is good, and top surface is wider, and workmen and instrument can be carried as main platform after load-bearing bed course 15 of mating formation；Bailey beam is then more light
Just, mat formation and can make suspension platforms 1 from two kinds of different girder trusses and help as the aisle between main platform after load-bearing bed course 15
In control cost and mitigation platform deadweight.
The top of truss crossbeam 12 is provided with steel reinforcing grid 16 below load-bearing bed course 15, to strengthen to load-bearing bed course 15
Support, further reinforce the support face of main platform.
Suspension platform 1 also includes being set up in positioned at the reinforcing bar support grid 17 of the lower section of anti-drop net 13 in chassis body, can be right
Anti-drop net 13 provides support, lifts the safe fall-proof performance of platform.
Load-bearing bed course 15 is bilayer D6 anticracking bar-mat reinforcements, with preferable load-bearing property.
Using I32 shaped steel as walking track 6 in embodiment, the track is also general with steel truss beam inspection track road.Adopt in addition
With P-6 × 3 fabric air net as anti-drop net 13, steel reinforcing grid 16 and reinforcing bar support grid are made with the screw-thread steels of Φ 20
17, guard rail 14 is made with scaffold tubes and the screw-thread steels of Φ 20.
After the main truss piece installation of front sections steel truss girder both sides, walking track 6 is installed in main truss piece lower boom both sides
And dock with the walking track 6 of first Anterior Segment, the synchronous operation of electric walking dolly 4 is started afterwards and drives suspension platform 1 to move forward, arrive
The electric walking dolly 4 out of service up to after the sections precalculated position, then just can carry out the peace of the sections steel truss girder other structures
Dress.
Claims (6)
1. a kind of movable type bridge builds protective platform, it is characterised in that including suspension platform (1) and by the suspension platform
(1) it is hung on walking track (6) lower section of steel truss girder bridge bottom and drives the suspension walking mechanism (2) of suspension platform (1) migration,
The suspension platform (1) includes the chassis body being spliced into by truss longeron (11) and truss crossbeam (12) fixation, hangs
Anti-drop net (13) in the chassis body, located at chassis body edge guard rail (14) and be laid on truss longeron
(11) the load-bearing bed course (15) and at the top of truss crossbeam (12), suspension walking mechanism (2) is including being fixed at truss longeron
(11) two ends and top are provided with the suspension rod beam (3) of free bearing (31), the electric walking dolly (4) and three being hung in walking track (6)
Angle connecting plate (5), triangular connecting plate (5) bottom is hinged by free bearing (31) with suspension rod beam (3), top and two electric walkings
Walk dolly (4) connection.
2. movable type bridge as claimed in claim 1 builds protective platform, it is characterised in that the electric walking dolly (4)
Synchronously driven by motor (42) including some groups of road wheels (41) and motor (42), and each group road wheel (41).
3. movable type bridge as claimed in claim 2 builds protective platform, it is characterised in that the truss longeron (11) is shellfish
Lei Liang, truss crossbeam (12) is English truss beam.
4. movable type bridge as claimed in claim 3 builds protective platform, it is characterised in that truss crossbeam (12) top
Steel reinforcing grid (16) is provided with load-bearing bed course (15) lower section.
5. movable type bridge as claimed in claim 4 builds protective platform, it is characterised in that the suspension platform (1) is also wrapped
Include and be set up in the chassis body reinforcing bar support grid (17) being located at below anti-drop net (13).
6. the movable type bridge as described in any one in Claims 1 to 5 builds protective platform, it is characterised in that described to hold
Weight bed course (15) is double-deck D6 anticrackings bar-mat reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621143882.8U CN206157569U (en) | 2016-10-21 | 2016-10-21 | Protective platform is construct to portable bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621143882.8U CN206157569U (en) | 2016-10-21 | 2016-10-21 | Protective platform is construct to portable bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206157569U true CN206157569U (en) | 2017-05-10 |
Family
ID=58655308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621143882.8U Active CN206157569U (en) | 2016-10-21 | 2016-10-21 | Protective platform is construct to portable bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206157569U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108316158A (en) * | 2018-04-23 | 2018-07-24 | 腾达建设集团股份有限公司 | Protection canopy and its application process |
| CN108547225A (en) * | 2018-04-27 | 2018-09-18 | 中交二公局第二工程有限公司 | A kind of assembly moving type security construction of prevention work job platform and construction method and application |
| CN109944168A (en) * | 2019-03-13 | 2019-06-28 | 上海市政工程设计研究总院（集团）有限公司 | A kind of Large-Span Cantilever assembly steel bridge rod piece |
| CN114233033A (en) * | 2021-12-29 | 2022-03-25 | 武船重型工程股份有限公司 | High altitude safety net mobile device |
-
2016
- 2016-10-21 CN CN201621143882.8U patent/CN206157569U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108316158A (en) * | 2018-04-23 | 2018-07-24 | 腾达建设集团股份有限公司 | Protection canopy and its application process |
| CN108547225A (en) * | 2018-04-27 | 2018-09-18 | 中交二公局第二工程有限公司 | A kind of assembly moving type security construction of prevention work job platform and construction method and application |
| CN109944168A (en) * | 2019-03-13 | 2019-06-28 | 上海市政工程设计研究总院（集团）有限公司 | A kind of Large-Span Cantilever assembly steel bridge rod piece |
| CN114233033A (en) * | 2021-12-29 | 2022-03-25 | 武船重型工程股份有限公司 | High altitude safety net mobile device |
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