CN107724235A - A kind of bridge-collision-avoidance wall Safety operation platform - Google Patents
A kind of bridge-collision-avoidance wall Safety operation platform Download PDFInfo
- Publication number
- CN107724235A CN107724235A CN201711082782.8A CN201711082782A CN107724235A CN 107724235 A CN107724235 A CN 107724235A CN 201711082782 A CN201711082782 A CN 201711082782A CN 107724235 A CN107724235 A CN 107724235A
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- China
- Prior art keywords
- collision
- bridge
- plate
- trave lling
- lling girder
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- 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.)
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/106—Movable inspection or maintenance platforms, e.g. travelling scaffolding or vehicles specially designed to provide access to the undersides of bridges
-
- 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)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
A kind of bridge-collision-avoidance wall Safety operation platform, including be erected on the anti-collision wall of bridge both sides trave lling girder, be arranged on by elevating mechanism trave lling girder both ends two loading plates and driving trave lling girder movement reducing motor, the first movable pulley is provided with below the trave lling girder, so that trave lling girder moves under the driving of reducing motor along anti-collision wall, the loading plate is rectangular and is horizontally set on the outside of anti-collision wall, and loading plate is provided with the second roller close to one end of anti-collision wall.The present invention can carry out construction operation simultaneously to the anti-collision wall of bridge both sides, improve efficiency of construction, and lifting process is very steady, so that the safety of construction safety and workmen all obtain strong guarantee.
Description
Technical field
The present invention relates to bridge-collision-avoidance wall construction technique field, and in particular to a kind of bridge-collision-avoidance wall Safety operation platform.
Background technology
Nowadays, urban congestion phenomenon is more and more prominent, to alleviate urban traffic pressure, ensures that citizen go on a journey safely, overhead
Bridge arises at the historic moment.In order to prevent vehicle derailing road from accident occurs, bridge both sides need to set anti-collision wall.Anti-collision wall is bridge
Pith, as the safety guarantee structure of bridge both sides, most of anti-collision walls use reinforced concrete earth forming, belong to permanent
Property structure.The work progress of anti-collision wall is complicated, it is necessary to external mold steel plate, internal model steel plate and bed die steel plate first be installed, so that external mold
Steel plate, internal model steel plate and bed die steel plate form a die cavity, and then the packing material in the die cavity, finally disassembles external mold steel again
Plate, internal model steel plate and bed die steel plate.Anti-collision wall construction difficulty is larger, especially when anti-collision wall lateral surface dismantles external mold steel plate, needs
The external mold steel plate transport disassembled to be got off by crane, but often construction site is limited in science of bridge building, field of constructing
Nearby wagon flow and stream of people's dealing are frequent on ground, and it is difficult normal operation to make big machinery.And if bridge floor is higher from the ground or in water
On face, crane operation receives bigger limitation, and construction is extremely difficult.
Workmen generally enters construction location in work progress using scaffold and rope ladder, and is needed in work progress
Numerous and diverse safety prevention measure is used, the active belt to workmen carrys out very big inconvenience, influences work.In addition, workmen
It is very troublesome when completing a construction area and being transferred to another construction area, very big inconvenience also is brought to construction, is increased
Labor intensity, reduces operating efficiency, while the personal safety of workmen cannot get strong guarantee.
Existing number of patent application discloses a kind of highway bridge anticollision for the patent application document of " 201320142917.6 "
Wall mobile platform, the platform has loading plate, and can be moved along the bearing of trend of bridge-collision-avoidance wall.But the platform uses
When be that first the anti-collision wall of bridge side is constructed, then the anti-collision wall of bridge opposite side is constructed again, efficiency of construction
It is low, and it is difficult to ensure that the anti-collision wall of bridge both sides is symmetrical, attractive in appearance.And the platform can only move on sustained height, still
The requirement of constructing operation can not be met.
Existing number of patent application is disclosed outside a kind of bridge-collision-avoidance wall for the patent application document of " 201621238096.6 "
Side construction moving platform car, the platform truck utilize this by a few road trusses hanging work platforms stretched out at the top of movable framework
Although scaffold that technical scheme described in patent avoids such as sets up, removed at the work, but needs work when the platform truck moves
People first exits platform, loosens fixed flexible steel wire, opens braked wheel, can just be moved to next place's setting, make construction can not
It is carried out continuously, and it is mobile complicated, it is necessary to worker passes in and out platform repeatedly, reduce operating efficiency.
The content of the invention
In order to solve the above-mentioned technical problem, it is an object of the invention to provide a kind of bridge-collision-avoidance wall Safety operation platform, energy
Construction operation is carried out simultaneously to the anti-collision wall of bridge both sides, improves efficiency of construction, and lifting process is very steady, so that
The safety of construction safety and workmen all obtain strong guarantee.
The technical solution adopted in the present invention is：A kind of bridge-collision-avoidance wall Safety operation platform, including it is erected at bridge two
Trave lling girder on the anti-collision wall of side, two loading plates and the driving trave lling girder movement for being arranged on by elevating mechanism trave lling girder both ends
Reducing motor, be provided with the first movable pulley below the trave lling girder so that trave lling girder under the driving of reducing motor along anticollision
Wall moves, and the loading plate is rectangular and is horizontally set on the outside of anti-collision wall, and loading plate is provided with the close to one end of anti-collision wall
Second wheel, the elevating mechanism includes being arranged on directly over loading plate and rectangular support frame and top and support frame
Bottom is fixedly connected with winding drum, and two the first guiding being vertical setting are installed with the corner of the support frame and are slided
Wheel, it is provided with above each first leading block and second leading block on the support frame and one is fixedly mounted
3rd leading block, and each first leading block and second leading block being positioned above and one the 3rd guiding are slided
Wheel forms a guiding group, wherein, the second leading block is horizontally disposed with, and the first leading block and the 3rd leading block are set vertically
Put, each guiding group is connected by steel cable with winding drum, and one end of the steel wire rope passes through connecting hook and branch
One angle of support frame frame is fixedly connected, and the other end is oriented to around first in a guiding group and slided successively after extending obliquely downward
Wheel, the 3rd leading block and the second leading block are simultaneously wrapped on winding drum, and winding drum is by rotating so that steel wire rope drives
Loading plate rises or falls.
Two position-limit mechanisms are symmetrically arranged with below the trave lling girder, the position-limit mechanism includes being slidably arranged in trave lling girder
T-shaped limited block in lower tracks, the T-shaped limited block are provided with the 3rd roller close to the side of anti-collision wall, and opposite side is set
There are screw rod and two nuts, the axis of described two nuts is on same straight line, and one of nut is fixedly mounted on T-shaped
On limited block, another nut is fixedly mounted on trave lling girder, and the screw rod is located on described two nuts, by adjusting spiral shell
The position of bar is so that on the inside of the 3rd roller contact anti-collision wall.
The trave lling girder includes multiple concatenation units, and two neighboring concatenation unit is bolted to connection, the splicing
Unit includes first level plate and is symmetricly set on first vertical plate at first level plate both ends, is set between two the first vertical plates
Two the second vertical plates are equipped with, pass through the second level board with first vertical plate of one end and the second vertical plate positioned at first level plate
Connection, the first level plate, the first vertical plate, the second level board and the second vertical plate are formed in one structure, and described first
Level board is provided at both ends with the first connecting plate, and the bolt hole being engaged with bolt is provided with the first connecting plate.
Guardrail is provided with the loading plate.
The guardrail is made up of multiple railings, and the top of railing is fixedly connected with support frame, and the bottom of railing is with holding
Support plate is fixedly connected.
The support frame is set in parallel with loading plate.
Multiple hold-down mechanisms for compressing steel wire rope are provided with the winding drum, the hold-down mechanism includes being fixedly mounted
Connecting seat, two the second L-shaped connecting plates and the pinch roller being arranged between two the second connecting plates on loading plate, it is described
One end of second connecting plate is hinged on connecting seat, and the other end passes through the second connection in spring and hold-down mechanism adjacent thereto
Plate connects.
The hold-down mechanism shares four.
The both ends of the wheel shaft of pinch roller are fixedly connected with two the second connecting plates respectively in the hold-down mechanism.
The grooving for limiting steel wire rope position is provided with the winding drum.
Compared with prior art, the invention has the advantages that：A kind of bridge-collision-avoidance wall safety of the present invention
Job platform, loading plate is set at the both ends of trave lling girder by elevating mechanism so that workmen can be prevented both sides simultaneously
Hit wall to be constructed, substantially increase efficiency of construction, and make it that the anti-collision wall of both sides is symmetrical, attractive in appearance；Carrying in the present invention
Plate drives its raising and lowering by elevating mechanism, and the elevating mechanism is engaged with hold-down mechanism so that the winding of steel wire rope and
Release is all very steady, and so as to ensure that the steady of loading plate, in work progress, loading plate will not be shaken, workmen
Also it will not rock, ensure that construction is carried out in order, when being placed with the external mold steel plate disassembled from anti-collision wall on loading plate, hold
The stability of support plate determines the stability of external mold steel plate, so that the present invention is safer；Trave lling girder is by multiple concatenation units
Form so that the length of trave lling girder can be adjusted according to the distance between two anti-collision walls of bridge, position-limit mechanism with
The relative position of trave lling girder can be adjusted, so that the anti-collision wall of different-thickness can be applied, and then cause present invention work
Limitation is small, and the scope of application is big.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of the hold-down mechanism of the present invention；
Fig. 3 is the cross section structure diagram of the trave lling girder of the present invention.
Embodiment
The present invention is elaborated with specific embodiment below in conjunction with the accompanying drawings, the present embodiment using technical solution of the present invention as
Premise, detailed embodiment and specific operating process are given, but protection scope of the present invention is not limited to following implementation
Example.
As illustrated, a kind of bridge-collision-avoidance wall Safety operation platform, including the movement being erected on bridge both sides anti-collision wall 2
Beam 1, the reducing motor that two loading plates 3 at the both ends of trave lling girder 1 and driving trave lling girder 1 move is arranged on by elevating mechanism 4,
Guardrail 5 is provided with the loading plate 3, loading plate 3 is used to carry the material for needing to transport in workmen and construction.
The lower section of the trave lling girder 1 is provided with the first movable pulley 6 so that trave lling girder 1 under the driving of reducing motor along anticollision
Wall 2 moves, and the loading plate 3 is rectangular and is horizontally set on the outside of anti-collision wall 2, and loading plate 3 is set close to one end of anti-collision wall 2
There is the second roller 7, the second roller 7 moves along the lateral surface of anti-collision wall 2, and the lower section of trave lling girder 1 is symmetrically arranged with two position restrainers
Structure 8, the position-limit mechanism 8 include the T-shaped limited block 801 being slidably arranged in the lower tracks of trave lling girder 1, the T-shaped limited block
801 are provided with the 3rd roller 9 close to the side of anti-collision wall 2, and opposite side is provided with screw rod 802 and two nuts 803, described two
The axis of nut 803 is on same straight line, and one of nut 803 is fixedly mounted on T-shaped limited block 801, another
Nut 803 is fixedly mounted on trave lling girder 1, and the screw rod 802 is located on described two nuts 803, passes through adjusting screw rod 803
Position so that the 3rd roller 9 contact anti-collision wall 2 inner side so that the 3rd roller 9 moves along the medial surface of anti-collision wall 3.
The trave lling girder 1 includes three concatenation units, and two neighboring concatenation unit is fixedly connected by bolt 10, the spelling
Order member includes first level plate 101 and is symmetricly set on first vertical plate 102 at the both ends of first level plate 101, two first
Two the second vertical plates 104 are provided between vertical plate 102, the He of the first vertical plate 102 positioned at first level plate 101 with one end
Second vertical plate 104 is connected by the second level board 103, the first level plate 101, the first vertical plate 102, the second level board
103 and second vertical plate 104 be formed in one structure, the first level plate 101 is provided at both ends with the first connecting plate 105,
The bolt hole 106 being engaged with bolt 10 is provided with first connecting plate 105, be provided with the T-shaped limited block 801 two with
The groove that two the second vertical plates 104 of same concatenation unit are engaged.
The elevating mechanism 4 includes being arranged on directly over loading plate 3 and rectangular support frame 402 and top and branch
The bottom of support frame frame 402 is fixedly connected with winding drum 401, and the support frame 402 is set in parallel with loading plate 3, the carriage
Two the first leading blocks 403 being vertical setting, each first leading block 403 are installed with the corner of frame 402
Top be provided with second leading block 404 and the 3rd leading block being fixedly mounted in support frame 402
405, and each first leading block 403 and second leading block 404 and the 3rd leading block that are positioned above
405 form a guiding group, wherein, the second leading block 404 is horizontally disposed, and the first leading block 403 and the 3rd is oriented to cunning
Wheel 405 is vertically arranged.First leading block 403, the second leading block 404 and the 3rd leading block 405 have eight.It is described every
Individual guiding group is connected by steel cable 406 with winding drum 401, and steel wire rope 406 shares eight, the steel wire rope 406
One end is fixedly connected by connecting hook 407 with an angle of support frame 402, and the other end bypasses one successively after extending obliquely downward
The first leading block 403, the 3rd leading block 405 and the second leading block 404 in individual guiding group are simultaneously wrapped in winding drum 401
On, winding drum 401 is by rotating so that steel wire rope 406 drives loading plate 3 to rise or fall.
The guardrail 5 is made up of multiple railings, and the top of railing is fixedly connected with support frame 402, the bottom of railing
It is fixedly connected with loading plate 3.
Multiple hold-down mechanisms 11 for compressing steel wire rope 406 are provided with the winding drum 401, hold-down mechanism 11 shares four
It is individual.The hold-down mechanism 11 includes 1101, two the second L-shaped connecting plates of connecting seat being fixedly mounted on loading plate 3
1102 and the pinch roller 1103 that is arranged between two the second connecting plates 1102, one end of second connecting plate 1102 is hinged on company
On joint chair 1101, the other end is connected by the second connecting plate 1102 in spring 1104 and hold-down mechanism 11 adjacent thereto, institute
The both ends for stating the wheel shaft of pinch roller 1103 in hold-down mechanism 11 are fixedly connected with two the second connecting plates 1102 respectively.The winding drum
The grooving for limiting the position of steel wire rope 406 is provided with 401, steel wire rope 406 is made under the cooperation of pinch roller 1103 along grooving rail
Road is wound or release, and so as to ensure the stability of steel wire rope 406 and accuracy, eight steel wire ropes 406 are not wrapped in winding drum 401
On length it is identical all the time.
Described above is presently preferred embodiments of the present invention, is not intended to limit the invention, all in the spiritual and former of the present invention
Within then, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (10)
- A kind of 1. bridge-collision-avoidance wall Safety operation platform, it is characterised in that：Including the shifting being erected on bridge both sides anti-collision wall (2) Move beam (1), two loading plates (3) and driving trave lling girder (1) shifting at trave lling girder (1) both ends are arranged on by elevating mechanism (4) Dynamic reducing motor, trave lling girder (1) lower section is provided with the first movable pulley (6), so that drive of the trave lling girder (1) in reducing motor Mobile along anti-collision wall (2) under dynamic, the loading plate (3) is rectangular and is horizontally set on the outside of anti-collision wall (2), and loading plate (3) leans on One end of nearly anti-collision wall (2) is provided with the second roller (7), the elevating mechanism (4) include being arranged on directly over loading plate (3) and Rectangular support frame (402) and top is fixedly connected with winding drum (401), the support with support frame (402) bottom Two the first leading blocks being vertical setting (403) are installed with the corner of framework (402), each first is oriented to cunning Second leading block (404) being fixedly mounted in support frame (402) and one the is provided with above wheel (403) Three leading blocks (405), and each first leading block (403) and second leading block (404) being positioned above and One the 3rd leading block (405) forms a guiding group, wherein, the second leading block (404) is horizontally disposed, and first is oriented to Pulley (403) and the 3rd leading block (405) are vertically arranged, and each guiding group passes through steel cable (406) and volume Cylinder (401) connection is raised, one end of the steel wire rope (406) is fixed by an angle of connecting hook (407) and support frame (402) Connection, the other end bypass the first leading block (403), the 3rd leading block in a guiding group successively after extending obliquely downward (405) and the second leading block (404) and it is wrapped on winding drum (401), winding drum (401) is by rotating so that steel wire rope (406) loading plate (3) is driven to rise or fall.
- A kind of 2. bridge-collision-avoidance wall Safety operation platform as claimed in claim 1, it is characterised in that：Under the trave lling girder (1) Side is symmetrically arranged with two position-limit mechanisms (8), and the position-limit mechanism (8) includes being slidably arranged in trave lling girder (1) lower tracks T-shaped limited block (801), the T-shaped limited block (801) is provided with the 3rd roller (9) close to the side of anti-collision wall (2), another Side is provided with screw rod (802) and two nuts (803), and the axis of described two nuts (803) is on same straight line, and wherein One nut (803) is fixedly mounted on T-shaped limited block (801), and another nut (803) is fixedly mounted on trave lling girder (1), The screw rod (802) is located on described two nuts (803), by the position of adjusting screw rod (803) so that the 3rd roller (9) contact on the inside of anti-collision wall (2).
- A kind of 3. bridge-collision-avoidance wall Safety operation platform as claimed in claim 1, it is characterised in that：Trave lling girder (1) bag Multiple concatenation units are included, two neighboring concatenation unit is fixedly connected by bolt (10), and the concatenation unit includes first level Plate (101) and the first vertical plate (102) for being symmetricly set on first level plate (101) both ends, two the first vertical plates (102) it Between be provided with two the second vertical plates (104), positioned at first level plate (101) with first vertical plate (102) of one end and second Vertical plate (104) is connected by the second level board (103), the first level plate (101), the first vertical plate (102), the second water Flat board (103) and the second vertical plate (104) are formed in one structure, and the first level plate (101) is provided at both ends with first Connecting plate (105), the bolt hole (106) being engaged with bolt (10) is provided with the first connecting plate (105).
- A kind of 4. bridge-collision-avoidance wall Safety operation platform as claimed in claim 1, it is characterised in that：On the loading plate (3) It is provided with guardrail (5).
- A kind of 5. bridge-collision-avoidance wall Safety operation platform as claimed in claim 4, it is characterised in that：The guardrail (5) by Multiple railings are formed, and the top of railing is fixedly connected with support frame (402), and the bottom of railing is fixedly connected with loading plate (3).
- A kind of 6. bridge-collision-avoidance wall Safety operation platform as claimed in claim 1, it is characterised in that：The support frame (402) it is set in parallel with loading plate (3).
- A kind of 7. bridge-collision-avoidance wall Safety operation platform as claimed in claim 1, it is characterised in that：The winding drum (401) On be provided with multiple hold-down mechanisms (11) for compressing steel wire rope (406), the hold-down mechanism (11) includes being fixedly mounted on and holding Connecting seat (1101), two L-shaped the second connecting plates (1102) on support plate (3) and it is arranged on two the second connecting plates (1102) pinch roller (1103) between, one end of second connecting plate (1102) are hinged on connecting seat (1101), the other end Connected by the second connecting plate (1102) in spring (1104) and hold-down mechanism adjacent thereto (11).
- A kind of 8. bridge-collision-avoidance wall Safety operation platform as claimed in claim 7, it is characterised in that：The hold-down mechanism (11) Share four.
- A kind of 9. bridge-collision-avoidance wall Safety operation platform as claimed in claim 7, it is characterised in that：The hold-down mechanism (11) The both ends of the wheel shaft of middle pinch roller (1103) are fixedly connected with two the second connecting plates (1102) respectively.
- A kind of 10. bridge-collision-avoidance wall Safety operation platform as claimed in claim 1, it is characterised in that：The winding drum (401) On be provided with for limiting the grooving of steel wire rope (406) position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711082782.8A CN107724235B (en) | 2017-11-07 | 2017-11-07 | A kind of bridge-collision-avoidance wall Safety operation platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711082782.8A CN107724235B (en) | 2017-11-07 | 2017-11-07 | A kind of bridge-collision-avoidance wall Safety operation platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107724235A true CN107724235A (en) | 2018-02-23 |
| CN107724235B CN107724235B (en) | 2018-09-18 |
Family
ID=61222616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711082782.8A Active CN107724235B (en) | 2017-11-07 | 2017-11-07 | A kind of bridge-collision-avoidance wall Safety operation platform |
Country Status (1)
| Country | Link |
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| CN (1) | CN107724235B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188340A (en) * | 2020-02-14 | 2020-05-22 | 云阳阳城混凝土有限公司 | Concrete conveying device |
| CN115354840A (en) * | 2022-09-06 | 2022-11-18 | 山东省水利科学研究院 | Movable field aerial work platform |
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| JP2004100193A (en) * | 2002-09-06 | 2004-04-02 | Keihan Electric Railway Co Ltd | Working scaffold device for bridge railing part |
| JP2005232773A (en) * | 2004-02-19 | 2005-09-02 | Sakurai Giken Kogyo Kk | Movable suspending scaffold for repairing bridge and high level road |
| CN201326156Y (en) * | 2008-12-22 | 2009-10-14 | 中铁六局集团有限公司 | Member installing tool in bridge high altitude operation |
| CN201843074U (en) * | 2010-09-02 | 2011-05-25 | 北京金孚佳润公路特种工程有限公司 | Parallel moving bin for overhauling ramp bridge of overpass |
| CN105735140A (en) * | 2016-04-15 | 2016-07-06 | 中国五冶集团有限公司 | High-altitude operation platform device for lateral side of bridge |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004100193A (en) * | 2002-09-06 | 2004-04-02 | Keihan Electric Railway Co Ltd | Working scaffold device for bridge railing part |
| JP2005232773A (en) * | 2004-02-19 | 2005-09-02 | Sakurai Giken Kogyo Kk | Movable suspending scaffold for repairing bridge and high level road |
| CN201326156Y (en) * | 2008-12-22 | 2009-10-14 | 中铁六局集团有限公司 | Member installing tool in bridge high altitude operation |
| CN201843074U (en) * | 2010-09-02 | 2011-05-25 | 北京金孚佳润公路特种工程有限公司 | Parallel moving bin for overhauling ramp bridge of overpass |
| CN105735140A (en) * | 2016-04-15 | 2016-07-06 | 中国五冶集团有限公司 | High-altitude operation platform device for lateral side of bridge |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188340A (en) * | 2020-02-14 | 2020-05-22 | 云阳阳城混凝土有限公司 | Concrete conveying device |
| CN115354840A (en) * | 2022-09-06 | 2022-11-18 | 山东省水利科学研究院 | Movable field aerial work platform |
| CN115354840B (en) * | 2022-09-06 | 2024-02-27 | 山东省水利科学研究院 | Movable field aerial work platform |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107724235B (en) | 2018-09-18 |
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