CN207267963U - A kind of mobile stent of servicing bridges bridge floor edge of a wing bottom surface Pipe installing - Google Patents
A kind of mobile stent of servicing bridges bridge floor edge of a wing bottom surface Pipe installing Download PDFInfo
- Publication number
- CN207267963U CN207267963U CN201721211230.8U CN201721211230U CN207267963U CN 207267963 U CN207267963 U CN 207267963U CN 201721211230 U CN201721211230 U CN 201721211230U CN 207267963 U CN207267963 U CN 207267963U
- Authority
- CN
- China
- Prior art keywords
- bridge floor
- wing
- floor edge
- driving
- mobile stent
- 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.)
- Active
Links
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a kind of mobile stent of servicing bridges bridge floor edge of a wing bottom surface Pipe installing, it is related to field of bridge construction, its structure includes driving, crossbeam, perpendicular truss, workbench, hoist engine and clump weight etc., the duct length both ends that mobile stent is installed as needed for segmentation are respectively mainly set one, the track that two mobile stents are laid on bridge floor edge of a wing top surface along longitudinal direction moves or pins fixation as unlock, pipeline is lifted by crane and is fixedly mounted on bridge floor edge of a wing bottom surface paragraph by paragraph, and pipe laying section length needed for the spacing-visible between two drivings carries out flexible arrangement；At the same time, the driving of every mobile stent is bundled in railing bottom by steel wire rope, it conveniently the interim of driving can fix and effectively prevent transverse shifting of the driving along the bridge floor edge of a wing, improved servicing bridges bridge floor edge of a wing bottom surface Pipe installing movement stent and operating method have the advantages that simple structure, work efficiency are notable, low-cost, safe and reliable and applied widely, therefore can widely promote and apply.
Description
Technical field
A kind of field of bridge construction, in particular to a kind of servicing bridges bridge floor edge of a wing bottom surface pipeline are the utility model is related to
The mobile stent of installation.
Background technology
After being built up across straits or across the large bridge of great rivers, demand or former design defect due to economic development
Etc. reason, need to add the line style facility such as pipeline on in-service operation bridge.These pipelines are generally located on bridge floor edge of a wing bottom surface, point
Into certain length Piecemeal erection, such as more difficult installation of driving a vehicle is checked across structural base is existing, because checking using former bridge
Driving is single, and longitudinal length is limited, it is impossible to a smoothly segment pipe of the fixed certain length of installation；Such as use bridge inspection vehicle
Installation is, it is necessary to the operations at the same time of two detection cars, somewhat expensive, and the bearing capacity for detecting car is limited, it is impossible to undertakes larger weight
Pipe installing operation.
Disclosed China Patent No. is CN201710038004.2 " Pipe installing job platform and construction method ", the pipeline
Speciality platform is a kind of large-scale special equipment, although the larger pipeline of single weight can be installed, due to being made by Pipe installing
The limitation of industry platform longitudinal length, it is impossible to install the longer pipeline of section length, and the equipment manufacturing cost is higher, such as uses two phases
The same equipment installs slender pipeline then expense higher.The substantially similar Application No. with above-mentioned Chinese patent
CN201320089694.1 " hanging operating platform under the movable type with bridge laying gas pipeline engineering ", Application No.
CN201310061682.2 " with bridge laying gas pipeline engineering engineering method ", a kind of Application No. CN201621437469.2 " bridges
It is each more than equipment longitudinal length that side duct installation removable job platform " is not suitable for Piecemeal erection there are single device
Segmented conduit.
The content of the invention
The defects of the technical problem to be solved by the utility model is to overcome the prior art and provide a kind of simple structure,
Work efficiency is notable, the mobile branch of servicing bridges bridge floor edge of a wing bottom surface Pipe installing low-cost, safe and reliable, applied widely
Frame.
The technical problem of the utility model is achieved through the following technical solutions：
A kind of mobile stent of servicing bridges bridge floor edge of a wing bottom surface Pipe installing, including vertically moved along bridge floor edge of a wing top surface
Driving, be arranged on driving top crossbeam, be arranged on the perpendicular truss of crossbeam outer end and be arranged on perpendicular truss lower end and be located at bridge
Workbench below the edge of a wing of face；The crossbeam is equipped with pulley；Hoist engine and clump weight, the volume are equipped with the driving
The traction rope for raising machine bypasses pulley connecting shackle, and pipeline lifting is fixed on bridge floor edge of a wing bottom surface through suspension hook；Institute
The duct length both ends that the mobile stent stated is installed as needed for segmentation respectively set one, are equipped with and fix in mobile stent lateral outer side
The top surface on the bridge floor edge of a wingRailing, the driving of every mobile stent is bundled on railing by steel wire rope.
The bridge floor edge of a wing top surface is equipped with along the track being longitudinally laid with, and the driving bottom described in every is along each before and after longitudinal direction
If a wheel shaft, the both ends of every wheel shaft are all provided with movable pulley, and movable pulley makees longitudinal direction unlock along track and moves or pin fixation.
The track is spaced the centre distance concave surface identical with the movable pulley horizontal spacing center of driving upward to be a pair of
Channel steel, the movable pulley at every wheel shaft both ends are separately positioned in a pair of tracks, and every segment length of every track is equal to 2 times of drivings and indulges
To length+every section of duct segments length+affluence length 1m~2m that need to be installed, number of tracks is at least two sections, every section of track it
Between be bolted, and make alternately spreading.
The mobile stent is equipped with the water horse for being placed on bridge floor edge of a wing top surface along bridge floor edge of a wing top surface laterally inboard.
The hoist engine is placed on the upper hoist engine synchronous working on railing side, two drivings of every driving,
And installation fixed -piping is lifted by crane through suspension hook and hand fit；It is upper close to water horse one that the clump weight is deposited in every driving
Side, the clump weight are coagulating cement soil block or bloom；Driving described in every is bundled in railing bottom by two steel wire ropes.
The driving is the hollow square frame of shaped steel welding, and the crossbeam is the square frame of shaped steel welding, should
Crossbeam one end and the driving frame roof of driving are welded, and the top of the other end and perpendicular truss is welded；The perpendicular truss is shaped steel
The square frame of welding, the perpendicular truss lower end are welded with workbench outer end.
The workbench is the hollow square frame of shaped steel welding, and bottom sets bottom plate, and hollow space is pacified for lifting
The working space of fixed -piping is filled, brace is equipped between workbench and perpendicular truss and is connected.
The pipeline is plastic conduit or steel pipe, is divided into certain length Piecemeal erection, is used per segment pipe
Anchor ear, setscrew are fixed on bridge floor edge of a wing bottom surface, and the lineament thing of perforation full-bridge is interconnected to form per segment pipe.
Compared with prior art, the utility model is mainly the track that servicing bridges bridge floor edge of a wing top surface is laid with longitudinal direction, and
By the longitudinal arrangement length that driving, crossbeam, perpendicular truss and workbench etc. form it is segmentation pipe laying length using a pair
Mobile stent, pipeline is lifted by crane and is fixedly mounted on bridge floor edge of a wing bottom surface paragraph by paragraph, and needed for the spacing-visible between two drivings
Pipe laying section length carries out flexible arrangement, therefore can be suitably used for pipeline of the installation length more than separate unit movement stent length；Together
When, by steel wire rope binding in place in the railing bottom of mobile stent lateral outer side, it can be square for the driving of every mobile stent
Just the interim transverse shifting fixed and effectively prevent driving along the bridge floor edge of a wing driven a vehicle, improved servicing bridges bridge floor edge of a wing bottom
Face Pipe installing movement stent and operating method have that simple structure, work efficiency be notable, low-cost, the safe and reliable and scope of application
The advantages that wide, therefore can widely be promoted and applied.
Brief description of the drawings
Fig. 1 is the facade structures schematic diagram of the utility model.
Fig. 2 is the left-hand view of Fig. 1.
Fig. 3 is the A-A profiles of Fig. 1.
Fig. 4 is the Force Calculation schema of mobile stent.
Embodiment
It will elaborate again to the utility model embodiment by above-mentioned attached drawing below.
As shown in Fig. 1 ~ Fig. 4, the 1. bridge floor edges of a wing, 2. railings, 3. pipelines, 4. water horses, 5. drivings, 51. tracks, 52. wheel shafts,
53. movable pulley, 54. hoist engines, 55. suspension hooks, 56. steel wire ropes, 6. clump weights, 7. crossbeams, 8. perpendicular truss, 9. workbenches, 91.
Bottom plate, 92. braces.
A kind of mobile stent of servicing bridges bridge floor edge of a wing bottom surface Pipe installing, as shown in Fig. 1 ~ Fig. 3, is mainly used for pipe
Road 3 paragraph by paragraph quickly, conveniently, flexibly, be fixedly mounted in 1 bottom surface of the servicing bridges bridge floor edge of a wing.
Wherein, mobile stent is to move installation along the longitudinal direction of 1 top surface of the bridge floor edge of a wing, and the structure of every mobile stent is equal
Identical, according to Fig. 1, the present embodiment is using the outer end on the left of view as mobile stent, view right side as mobile branch
The inner of frame, the anteroposterior direction of view is as longitudinal direction, and the left and right directions of view is as laterally.
The mobile contoured cradle is similar to the type of falling G, its structure is by driving 5, crossbeam 7, perpendicular truss 8 and workbench
9 grades are formed, and are being moved stent lateral outer side equipped with the railing 2 for being fixed on 1 top surface of the bridge floor edge of a wing, are being moved stent along the bridge floor edge of a wing 1
Top surface laterally inboard is equipped with the water horse 4 for being placed on 1 top surface of the bridge floor edge of a wing；In actual use, mobile stent is by installation needed for segmentation
3 length both ends of pipeline respectively set one, when any segment pipe 3 is installed a pair of of driving 5 be fixed on track 51, install next section
When driving 5 be moved to next section after fix again.
The driving 5 is the hollow square frame that shaped steel is welded, and 5 bottoms of driving respectively set a wheel along before and after longitudinal direction
Axis 52, the both ends of every wheel shaft set a movable pulley 53, which can make longitudinal direction unlock on track 51 along bridge floor and move
Or pin and fix.
The track 51 is a pair of of interval centre distance concave surface identical with the 53 horizontal spacing center of movable pulley of driving 5
Channel steel upward, uses shaped steel firm welding between two channel steels, and the movable pulley 53 at every 52 both ends of wheel shaft is separately positioned on a pair of of rail
In road 51, i.e., each movable pulley 53 can move in the concave surface of channel steel；It is vertical that every segment length of every track 51 is equal to 2 times of drivings
To length+every section of duct segments length+affluence length 1m~2m that need to be installed, 51 quantity of track is at least two sections, every section of track
It is connected between 51, can splices or dismantle, Pipe installing is carried out to carry out alternately spreading mobile for mobile stent.
A hoist engine 54 is placed close to 2 side of railing in the driving 5,7 bottom of crossbeam of every mobile stent exists
Fixed pulley is equipped between driving 5 and perpendicular truss 8, the traction rope of hoist engine 54 bypasses pulley connecting shackle 55, two drivings 5
On hoist engine 54 work asynchronously, and pipeline 3 is lifted by crane through suspension hook and is manually fixedly mounted on 1 bottom surface of the bridge floor edge of a wing；Driving 5 is leaned on
Clump weight 6 is stacked in nearly 4 side of water horse, plays balanced sequence stent transverse stabilization function, to prevent mobile stent from toppling；The counterweight
Block 6 is coagulating cement soil block or bloom；Every driving 5 is bundled in 2 bottom of railing by two steel wire ropes 56, prevents driving 5
Along 1 transverse shifting of the bridge floor edge of a wing.
The crossbeam 7 is the square frame that shaped steel is welded, one end and the driving frame roof welding jail of driving 5
Gu the upper end of the other end and perpendicular truss 8 is welded；The perpendicular truss 8 is the square frame that shaped steel is welded, upper end and crossbeam
7 welding, lower end and the outer end firm welding of workbench 9；Perpendicular truss 8 is acted on be subject to horizontal wind-force, and the intensity of wind-force is by having
Specification is closed to choose；The workbench 9 is the hollow square frame that shaped steel is welded, and bottom sets bottom plate 91, hollow bulb
Divide and form working space, for operating personnel's auxiliary lifting pipeline 3, and Pipe installing is fixed on 1 bottom surface of the bridge floor edge of a wing；It is described
Workbench 9 and perpendicular truss 8 between connected equipped with brace 92, which is Steel section member, play strengthen workbench 9 with it is perpendicular
The effect of truss 8.
The pipeline 3 makes for plastics or steel, is arranged on 1 bottom surface of the bridge floor edge of a wing and is used to convey the things such as liquid or gas
Matter, is divided into certain length Piecemeal erection, and bridge is fixed on using anchor ear, the setscrew of a determining deviation sum number amount per segment pipe 3
1 bottom surface of the face edge of a wing, the lineament thing of perforation full-bridge is interconnected to form per segment pipe 3.
In addition, the configuration weight of clump weight 6 determines as shown in figure 4, can be calculated by equation below：
Formula one,
Formula two,
During mobile stent lifting installation fixed -piping 3, a pair of of movable pulley 53 of close 4 side of water horse of every driving 5 is equal
It cannot de-orbit 51, that is, must be fulfilled for：
Formula three,
Formula four,
In formula one, formula two, formula three, formula four, every 5 movable pulley 53 close to 2 side of railing of driving is set to
Movable pulley A, the movable pulley 53 close to 4 side of water horse are set to movable pulley B；Every driving 5 is set to A close to the lower end of 2 side of railing
End, upper end are set to E ends；Every driving 5 is set to B ends close to the lower end of 4 side of water horse, and upper end is set to D ends；The horizontal stroke of every driving 5
7 outer end of beam is set to F ends with perpendicular 8 upper end joint of truss, and perpendicular 8 lower end of truss is set to G ends, work with 9 outer end joint of workbench
Make 9 the inner of platform and be set to H ends, clump weight center of gravity application point is C in driving, and each symbol implication is as follows：
--- driving 5 need to stack the weight of clump weight 6,；
--- driving 5 close to the track counter-force suffered by 2 side movable pulley A of railing,；
--- driving 5 close to the track counter-force suffered by 4 side movable pulley B of water horse,；
--- weight of a pair of tracks per segment length,；
--- the ultimate tension of steel wire rope 56,；
--- the frictional resistance suffered by track 51,；
--- the weight of perpendicular truss 8,；
--- the gross weight of the traveling load such as personnel on workbench 9, small-sized machine, equipment and the pipeline 3 that need to install
Amount,；
--- 5 structures of driving include the gross weight of the carrying such as wheel shaft 52, movable pulley 53 and hoist engine 54, operating personnel
Amount is by driving widthThe uniformly distributed weight shared out equally,；
--- the gross weight of crossbeam 7 presses crossbeam lengthThe uniformly distributed weight shared out equally,；
--- the wind-force suffered by perpendicular 8 cross-bridges face direction of truss presses perpendicular truss depthThe uniformly distributed weight shared out equally,；
--- the gross weight of workbench 9 presses workbench widthThe uniformly distributed weight shared out equally,；
--- operating personnel are in auxiliary lifting on workbench 9 or fixed installation pipeline 3, in workbench G ends and H
Moved between end, the gross weight of the traveling load such as personnel on workbench 9, small-sized machine, equipment and the pipeline 3 that need to install
Position be,；
--- driving 5 on 6 center of gravity application point C of clump weight to A ends distance,；
--- the width at driving A ends to B ends,；
--- the height at driving D ends to B ends,；
--- the length at crossbeam D ends to F ends,；
--- the height at perpendicular truss F ends to G ends,；
--- the length at workbench G ends to H ends,；
--- wind load combination coefficient, is chosen by related specification,；
--- the global factor of safety of clump weight 6, is chosen by related specification,；
--- 51 bottom surface of track and the frictional resistance force coefficient of 1 top surface of the bridge floor edge of a wing, are obtained or by related specification by experiment
Value,；
--- the tensile-strength safety factor of steel wire rope 56,。
The operating method of the utility model operates in accordance with the following steps：
Step 1: traffic envelope road and delimitation boundary of works area
(1) according to the size of the grading scale of bridge and the volume of traffic, one close to 2 side of railing is closed according to pertinent regulations
A track, sets the marks such as warning, instruction, delimit boundary of works area, isolated with water horse 4 or other safety devices, implements special
People's induction directs traffic, it is ensured that traffic and construction safety；
(2) construction machinery and material are stacked in order, convenient operation；
Step 2: mobile stent is installed in place
(1) laying-down position attachment rail 51 is pressed, track laying is needed into installing pipe in first segment and second segment first
The position in road, it is desirable to which track and 1 top surface flat contact of the bridge floor edge of a wing, have gap to be leveled up with sheet rubber；
(2) a pair of mobile mount is at the both ends of 3 section length of the first segment pipe, and two steel wire ropes 56 are by every movement
Stent is bundled in 2 bottom of railing, and movable pulley 53 pins fixed driving 5, and hoist engine 54 and clump weight 6 are in place；
Step 3: the first segment pipe of installation
(1) 3 installation site laying-down of pipeline, positions anchor ear and setscrew position；
(2) hoist engine 54, suspension hook 55 and hand fit lift by crane first pipeline 3；
(3) operating personnel assist pipeline handling in place on workbench 9, and fix first with anchor ear, setscrew
Pipeline；
Step 4: second pipeline of mobile stent migration and installation
(1) two steel wire ropes 56 for being bundled in 2 bottom of railing, the unlock of movable pulley 53 driving 5 are removed；
(2) the mobile stent of a pair is moved into second 3 installation site of pipeline on track 51, movable pulley 53 pins fixed row
Car 5；
Every mobile stent is bundled in 2 bottom of railing by (3) two steel wire ropes 56 again；
(4) track 51 of 3 installation site of the first segment pipe is dismantled, moves to 3 installation site of the 3rd segment pipe；
(5) second segment Pipe installing is completed by (1)~(3) of step 3；
Next segment pipe installation is completed paragraph by paragraph by step 4 until all Pipe installings of full-bridge are completed.
The utility model is that the 3 length both ends of pipeline installed as needed for segmentation respectively set a mobile stent, therefore even if is pacified
Dress length can also be applicable in installation well beyond the pipeline of separate unit movement stent length, and this mobile stent used in pairs is not only fitted
For servicing bridges, new bridging beam is also applied for, in addition to pipe laying, can be used for detection, malfunction elimination of bridge etc..
Embodiment described in the utility model is merely to illustrate the utility model rather than limitation the scope of the utility model.
It should be further understood that after reading the content taught by the present invention, those skilled in the art can be to the utility model
Make various changes or modifications, it is interior that these equivalent forms also fall within the scope of the appended claims of the present application.
Claims (8)
1. a kind of mobile stent of servicing bridges bridge floor edge of a wing bottom surface Pipe installing, including along the bridge floor edge of a wing（1）Top surface longitudinally moves
Dynamic driving（5）, be arranged on driving top crossbeam（7）, be arranged on the perpendicular truss of crossbeam outer end（8）Be arranged under perpendicular truss
Hold and be located at the bridge floor edge of a wing（1）The workbench of lower section（9）；The crossbeam（7）It is equipped with pulley；The driving（5）It is interior
Equipped with hoist engine（54）And clump weight（6）, the hoist engine（54）Traction rope bypass pulley connecting shackle（55）, and will through suspension hook
The pipeline（3）Lifting is fixed on the bridge floor edge of a wing（1）Bottom surface, it is characterised in that the mobile stent is by peace needed for segmentation
The pipeline of dress（3）Length both ends respectively set one, are equipped with mobile stent lateral outer side and are fixed on the bridge floor edge of a wing（1）The column of top surface
Bar（2）, the driving of every mobile stent（5）Pass through steel wire rope（56）It is bundled in railing（2）On.
2. a kind of mobile stent of servicing bridges bridge floor edge of a wing bottom surface Pipe installing according to claim 1, its feature exist
In the bridge floor edge of a wing（1）Top surface is equipped with along the track being longitudinally laid with（51）, the driving described in every（5）Bottom is along before longitudinal direction
A wheel shaft is respectively set afterwards（52）, the both ends of every wheel shaft are all provided with movable pulley（53）, and movable pulley is along track（51）Make longitudinal direction unlock
Mobile or pinning is fixed.
3. a kind of mobile stent of servicing bridges bridge floor edge of a wing bottom surface Pipe installing according to claim 2, its feature exist
In the track（51）For a pair of interval centre distance and driving（5）The identical concave surface in movable pulley horizontal spacing center upward
Channel steel, every wheel shaft（52）The movable pulley at both ends（53）It is separately positioned on a pair of tracks（51）It is interior, every segment length of every track
Equal to 2 times vehicular longitudinal direction length+every section of duct segments length+affluence length 1m~2m that need to be installed, track（51）Quantity is at least
For two sections, every section of track（51）Between be bolted, and make alternately spreading.
4. a kind of mobile stent of servicing bridges bridge floor edge of a wing bottom surface Pipe installing according to claim 2, its feature exist
In the mobile stent along the bridge floor edge of a wing（1）Top surface laterally inboard is equipped with and is placed on the bridge floor edge of a wing（1）The water horse of top surface（4）.
5. a kind of mobile stent of servicing bridges bridge floor edge of a wing bottom surface Pipe installing according to claim 4, its feature exist
In the hoist engine（54）It is placed on every driving（5）Upper close railing（2）Side, two drivings（5）On hoist engine
（54）Synchronous working, and through suspension hook（55）Installation fixed -piping is lifted by crane with hand fit（3）；The clump weight（6）Stack
In every driving（5）Upper close water horse（4）Side, the clump weight（6）For coagulating cement soil block or bloom.
6. a kind of mobile stent of servicing bridges bridge floor edge of a wing bottom surface Pipe installing according to claim 1, its feature exist
In the driving（5）For the hollow square frame of shaped steel welding, the crossbeam（7）, should for the square frame of shaped steel welding
Crossbeam（7）One end and driving（5）The welding of driving frame roof, the other end and perpendicular truss（8）Top welding；The perpendicular purlin
Frame（8）For the square frame of shaped steel welding, the perpendicular truss（8）Lower end and workbench（9）Weld outer end.
7. a kind of mobile stent of servicing bridges bridge floor edge of a wing bottom surface Pipe installing according to claim 1, its feature exist
In the workbench（9）For the hollow square frame of shaped steel welding, bottom sets bottom plate（91）, hollow space is lifting peace
Fill fixed -piping（3）Working space, in workbench（9）With perpendicular truss（8）Between be equipped with brace（92）Connection.
8. a kind of mobile stent of servicing bridges bridge floor edge of a wing bottom surface Pipe installing according to claim 1, its feature exist
In the pipeline（3）For plastic conduit or steel pipe, it is divided into certain length Piecemeal erection, per segment pipe（3）Use
Anchor ear, setscrew are fixed on the bridge floor edge of a wing（1）Bottom surface, per segment pipe（3）It is interconnected to form the lineament of perforation full-bridge
Thing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721211230.8U CN207267963U (en) | 2017-09-21 | 2017-09-21 | A kind of mobile stent of servicing bridges bridge floor edge of a wing bottom surface Pipe installing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721211230.8U CN207267963U (en) | 2017-09-21 | 2017-09-21 | A kind of mobile stent of servicing bridges bridge floor edge of a wing bottom surface Pipe installing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207267963U true CN207267963U (en) | 2018-04-24 |
Family
ID=61960363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721211230.8U Active CN207267963U (en) | 2017-09-21 | 2017-09-21 | A kind of mobile stent of servicing bridges bridge floor edge of a wing bottom surface Pipe installing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207267963U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107513944A (en) * | 2017-09-21 | 2017-12-26 | 宁波交通工程建设集团有限公司 | Servicing bridges bridge floor edge of a wing bottom surface Pipe installing movement support and operating method |
| CN108643039A (en) * | 2018-05-08 | 2018-10-12 | 宁夏路桥工程股份有限公司 | A kind of safe work platform of beam bridge steel web application |
-
2017
- 2017-09-21 CN CN201721211230.8U patent/CN207267963U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107513944A (en) * | 2017-09-21 | 2017-12-26 | 宁波交通工程建设集团有限公司 | Servicing bridges bridge floor edge of a wing bottom surface Pipe installing movement support and operating method |
| CN108643039A (en) * | 2018-05-08 | 2018-10-12 | 宁夏路桥工程股份有限公司 | A kind of safe work platform of beam bridge steel web application |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104562936A (en) | Construction method for continuous tie bar steel tube arch bridge | |
| CN105484162B (en) | Suspension bridge construction stiff girder secondary on the bank swings moving device and method | |
| CN107013038A (en) | A kind of steel structure slipping of building roof lighting Zhongting changes column construction method | |
| CN105648926A (en) | Swivel construction method for large span continuous beam which spans existing station | |
| CN110374008A (en) | A method of the erection of cable-stayed bridge steel truss is carried out in marine environment | |
| CN107513944A (en) | Servicing bridges bridge floor edge of a wing bottom surface Pipe installing movement support and operating method | |
| CN207267963U (en) | A kind of mobile stent of servicing bridges bridge floor edge of a wing bottom surface Pipe installing | |
| CN203393639U (en) | Diamond self-anchored hanging basket for road and bridge construction | |
| CN112921839A (en) | Dismantling method of inclined leg rigid frame bridge | |
| CN112663516A (en) | Construction method of bridge thin-wall hollow pier column | |
| CN114808747A (en) | Multifunctional bridge girder erection machine and bridge girder erection construction method | |
| CN205529923U (en) | Sliding device of demolising of beiLei beam | |
| CN110700119A (en) | Upper traveling system of assembled Bailey beam hanging basket and design method thereof | |
| CN105133509A (en) | Truss type simple working platform based on bridge maintenance | |
| CN105544406A (en) | Sliding-type Bailey beam dismantling device and dismantling method thereof | |
| CN114575251B (en) | Large-span steel truss arch bridge construction system and construction method | |
| CN102635061A (en) | Mountain stream river-crossing cable-stayed chain trestle and hoisting method thereof | |
| CN106245531B (en) | Steel structural bridge installation method is hung under bilateral derrick type | |
| CN216515140U (en) | Overhead steel box girder welding platform device | |
| JP6873435B2 (en) | Suspended scaffolding and its erection method | |
| CN212688733U (en) | Pushing system for small curvature radius of bridge steel box girder | |
| CN104060838A (en) | Grouping and air-pairing installation method for corridor | |
| CN208748534U (en) | A kind of concrete box girder cast-in-place construction anchor ear support frame | |
| CN113774813A (en) | Traction deviation rectifying equipment convenient for installing large-section steel truss box girder | |
| CN208778011U (en) | Concrete- liner tunnel side wall steel formwork trolley |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |