CN110485291A - A kind of examination and repair system and its repair method of the straight king-post of double plane cable stayed bridge - Google Patents
A kind of examination and repair system and its repair method of the straight king-post of double plane cable stayed bridge Download PDFInfo
- Publication number
- CN110485291A CN110485291A CN201910803939.4A CN201910803939A CN110485291A CN 110485291 A CN110485291 A CN 110485291A CN 201910803939 A CN201910803939 A CN 201910803939A CN 110485291 A CN110485291 A CN 110485291A
- Authority
- CN
- China
- Prior art keywords
- king
- post
- lifting
- rope
- platform
- 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.)
- Pending
Links
Classifications
-
- 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
- E01D19/00—Structural or constructional details of bridges
- E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
A kind of examination and repair system of the straight king-post of double plane cable stayed bridge, it includes lifting-point device, falling proof device and suspention operating platform, the lifting-point device is fixed on the parapet of straight king-post top, lifting-point device includes fixed bracket, movable support, telescoping mechanism and lifting rope, lifting rope hangs over the end of movable support, movable support passes through fixed bracket, and fixed bracket is fixed on tower top parapet, and movable support adjusts the length for stretching out king-post wall by telescoping mechanism；The falling proof device is fixed on straight king-post top；The suspention operating platform is connect by lifting rope with tower top movable support.The external lifting-point device of examination and repair system tower top of the invention is small in size, small on the influence of the arrangement of tower top affiliated facility, and maintenance workload is few；The movable support of lifting-point device when not used, can be retracted in tower top parapet by telescoping mechanism, small to bridge landscape impact；Suspention operating platform, which can be realized, covers straight king-post tunneling boring；When upkeep operation, since j ob impact range is small, bridge floor driving is influenced small.
Description
Technical field
The present invention relates to the maintenance field of science of bridge building, the maintenance system of specifically a kind of straight king-post of double plane cable stayed bridge
System and its repair method.
Background technique
Cable-stayed bridge has obtained extensively because of graceful shape, reasonable stress, biggish span ability in science of bridge building field
General application.Stayed bridge pylon cable bears the various bridge floor loads passed over by suspension cable, in bridge as main bearing carrier
During beam operation, to remove security risk, king-post need to be checked, be safeguarded, while in " highway bridge and culvert design Universal gauge
Model " in (JTG/T D60-2015) and " road oblique roller bridge design details " (JTG/T D65-01-2007), also it is distinctly claimed tiltedly
It draws bridge in the design, necessary maintenance facility should be set as needed, meet the curing requirements during operation.Past oblique
It draws in bridge design, due to insufficient to maintenance inspection requirements understanding, significant component of cable-stayed bridge is not installed king-post examination and repair system, had
When even have to when needing to overhaul carry out stepping on tower operation using fire balloon；Some cable-stayed bridge, it is only several in king-post
Inspection platform is arranged in key maintenance position, is unable to satisfy the maintenance requirement to king-post all standing；Come in recent years some newly-built
Cable-stayed bridge is taken and installs 360 degree of rotatable loop wheel machines at king-post top center, and loop wheel machine brachium is scalable, and gibbet end is hung with
Hanging basket overhauls king-post by the lifting of hanging basket.This examination and repair system exists attached with king-post top lightning rod boat illuminator etc.
Facility interference, outdoor maintenance cost is high, service life is short and high cost problem.Therefore, it is necessary to develop a kind of examination and repair system,
This examination and repair system need to meet light-weight, easy to operate, cost is reasonable, later maintenance cost is low, can be achieved king-post position cover entirely
It lid maintenance and is not influenced etc. to require by barriers such as suspension cables.
Summary of the invention
The purpose of the present invention is to provide a kind of examination and repair system of the straight king-post of double plane cable stayed bridge, it can be achieved that king-post position is complete
Covering maintenance.
To achieve the goals above, technical scheme is as follows: a kind of maintenance system of the straight king-post of double plane cable stayed bridge
System, the straight king-post of double plane cable stayed bridge include king-post, and king-post top is equipped with parapet, and two sides set suspension cable, it is characterised in that described
Examination and repair system includes
Lifting-point device, the lifting-point device are fixed on the parapet of king-post top, and lifting-point device includes fixed bracket, activity branch
Frame, telescoping mechanism and lifting rope, lifting rope hang over the end of movable support, and movable support passes through fixed bracket, and fixed bracket is fixed on
On tower top parapet, telescoping mechanism is used to adjust the length that movable support stretches out king-post；
Suspend operating platform in midair, the suspention operating platform suspention operating platform is connect by lifting rope with tower top movable support；
Falling proof device, the falling proof device includes the personnel safety rope that one end is fixed on king-post top, and is placed on outstanding
The rope Locking device in operating platform is hung, the rope Locking device is used to suspend in midair the safety belt and personnel safety of operator in operating platform
Cord lock is fixed.
Further, the suspention operating platform is the truss structure being welded by high-strength aluminum alloy, including is surrounded
Two groups of C-shaped shaping operation platforms, two groups of linear type retractable operation platforms and the flexible cable for connecting above-mentioned platform of king-post, In
When the straight a certain fixed position of king-post works, C-shaped shaping operation platform and "-" type retractable operation platform are connected using flexible cable
It connects, forms closed form, while "-" type retractable operation platform stretches out cantilever；Operating platform is suspended in midair when lifting breaks the barriers,
Flexible cable is released, "-" type retractable operation platform withdraws cantilever.
Further, elevator, the operation of driving operating platform lifting moving are also equipped in the suspention operating platform
Control system, rope rolling apparatus and and safety lock, the lifting rope include work lifting rope and safety lifting rope, work on lifting rope and safety lifting rope
End is hung directly from the end of king-post top movable support, work lifting rope lower end directly with the elevator phase on suspention operating platform
Even, safety lifting rope lower end passes through safety lock and is connected with operating platform, by work lifting rope carrying stress, safety lifting rope when normal work
Servo-actuated folding and unfolding, work lifting rope is caused danger when being broken, and safety lifting rope starts to carry stress, and starts safety lock system automatically
It is dynamic, prevent operating platform from continuing to decline；The rope rolling apparatus is used for the lifting rope and personnel safety rope being servo-actuated in retractable operation platform.
Another object of the present invention is to provide a kind of repair methods of the straight king-post of double plane cable stayed bridge, realize king-post position
All standing maintenance.
To achieve the goals above, technical scheme is as follows: a kind of maintenance side of the straight king-post of double plane cable stayed bridge
Method, it is characterised in that the method includes the steps:
First suspention operating platform is placed on bridge floor；
Operator carries lifting rope and personnel safety rope, from straight king-post ladder or elevator reach king-post top, utilize suspension centre
The telescoping mechanism of device, which stretches out movable support, king-post top parapet and to be locked, and transfers lifting rope and personnel safety rope, then by lifting rope
It is mounted on suspention operating platform；
Operator enters suspention operating platform, safety belt is tied up on personnel safety rope, operation control system, by operating platform
It is promoted to the maintenance position of king-post, king-post is overhauled；
After the completion of maintenance, operating platform being dropped into bridge floor, releases personnel safety rope, operator leaves suspention operating platform,
Finally release the lifting rope on suspention operating platform；
King-post top personnel pack up lifting rope and personnel safety rope, and movable support is then withdrawn female using the telescoping mechanism of lifting-point device
Youngster is within the walls and fixed, personnel by ladder in straight king-post or elevator under king-post top on bridge floor, operating platform is moved into library
Room, maintenance terminate.
Further, the suspention operating platform is the truss structure being welded by high-strength aluminum alloy, including is surrounded
Two groups of C-shaped shaping operation platforms, two groups of linear type retractable operation platforms and the flexible cable for connecting above-mentioned platform of king-post, In
When a certain fixed position of king-post works, C-shaped shaping operation platform is connected with "-" type retractable operation platform using flexible cable,
Closed form is formed, while "-" type retractable operation platform stretches out cantilever；Operating platform is suspended in midair when lifting breaks the barriers, and is released
Flexible cable, "-" type retractable operation platform withdraw cantilever.
Further, operator enters suspention operating platform, and safety belt is connected with personnel safety rope by rope Locking device,
When operating platform is gone up and down, rope Locking device is slided along personnel safety rope, when operating platform reaches maintenance position, presses rope Locking device switch,
Safety belt and personnel safety cord lock are determined.
The beneficial effects of the present invention are:
1) this examination and repair system can realize that all standing of king-post position is overhauled, and when encountering the barriers such as suspension cable, can pass through "-" type
The contraction of retractable operation platform reaches to avoid suspension cable and suspends the requirement that operating platform is freely lifted along king-post in midair.
2) lifting-point device on king-post top is small in size, small on the influence of the arrangement of tower top affiliated facility, and maintenance workload is few.
3) movable support when not in use, is retracted in parapet using stretching structure, is conducive to support by king-post top lifting-point device
Shield, and do not influence Bridge Landscape.
4) suspention operating platform uses the truss structure of high-strength aluminum alloy material, significantly reduces the weight of operating platform
Amount, reduces the anchoring force request of tower top lifting-point device.
5) operating platform, lifting rope when not in use, can be placed in storehouse, avoid exposure in outdoor environment, and service life is big
It is big to increase.
6) when maintenance construction, since construction infection range is small, bridge floor driving is influenced small.
Detailed description of the invention
Fig. 1 be the straight king-post examination and repair system of double plane cable stayed bridge along bridge to side view.
Fig. 2 is the straight king-post examination and repair system direction across bridge side view of double plane cable stayed bridge.
Fig. 3 is the straight king-post examination and repair system top view of double plane cable stayed bridge.
Fig. 4 is the full-page proof A in Fig. 1.
It include: 1- lifting-point device in figure, 1.1- fixed bracket, 1.2- movable support, 1.3- telescoping mechanism, 1.4- lifting rope,
2- falling proof device, 3- suspention operating platform, 3.1-C shape shaping operation platform, 3.2- linear type retractable operation platform, 3.3- are soft
Property drag-line, 4- suspension cable, 5- king-post top parapet.
Specific embodiment
Embodiment 1: the examination and repair system of the straight king-post of double plane cable stayed bridge
Referring to Fig.1 ~ Fig. 2, a kind of examination and repair system of the straight king-post of double plane cable stayed bridge comprising lifting-point device 1, falling proof device 2
With suspention operating platform 3, lifting-point device is fixed on straight king-post top parapet 5.
Referring to Fig. 3,12 lifting-point devices 1 are symmetrically fixed on king-post top parapet 5.Referring to Fig. 4, lifting-point device 1 is wrapped
Fixed bracket 1.1, movable support 1.2, telescoping mechanism 1.3 and lifting rope 1.4 are included, lifting rope hangs over the end of movable support 1.2, activity
Bracket 1.2 passes through fixed bracket 1.1, and fixed bracket 1.1 is fixed on straight king-post parapet 5, and movable support 1.2 passes through telescopic machine
Structure 1.3 adjusts the length for stretching out king-post wall.
Referring to Fig. 3, four falling proof devices 2 are symmetrically fixed on king-post top, and falling proof device 2 includes that one end is fixed on tower
The personnel safety rope of top end and the rope Locking device being placed in suspention operating platform, personnel pass through rope Locking device for safety belt and personnel
Safety rope is connected, and when operating platform is gone up and down, rope Locking device is slided along personnel safety rope, when operating platform reaches maintenance position, presses
Rope Locking device switch, safety belt and personnel safety cord lock are determined.
Referring to Fig. 3, suspention operating platform 3 includes two groups of C-shaped shaping operation platforms, 3.1, two groups of linear types around king-post
The flexible cable 3.3 of two kinds of platforms of retractable operation platform 3.2 and connection.Operating platform is suspended in midair to work in a certain fixed position of king-post
When, C-shaped shaping operation platform 3.1 and "-" type retractable operation platform 3.2 are connected using flexible cable 3.3, form closed form,
"-" type retractable operation platform 3.2 stretches out cantilever simultaneously；Operating platform is suspended in midair when lifting is by barriers such as suspension cables 4, solution
Except flexible cable, "-" type retractable operation platform 3.2 withdraws cantilever.Referring to Fig. 4, suspention operating platform 3 passes through lifting rope 1.4 and tower
Movable support 1.2 is pushed up to connect.Elevator, the operation control of driving operating platform lifting moving are also equipped in suspention operating platform
System, rope rolling apparatus and and safety lock.Suspention operating platform is made of high-strength aluminum alloy, and bottom surface is equipped with wheel, can be any
Direction pushes.Safety lock is matched with safety lifting rope, carries stress by work lifting rope when normal work, and safety lifting rope is servo-actuated to be received
It puts, work lifting rope is caused danger when being broken, and safety lifting rope starts to carry stress, and starting safety lock is braked automatically, is prevented
Operating platform continues to decline.When rising on the operational platform, rope rolling apparatus is used to withdraw extra safety lifting rope and work lifting rope.
Embodiment 2: the maintenance of the straight king-post of double plane cable stayed bridge
It suspends operating platform in midair, is welded using high-strength aluminum alloy.It is placed on storehouse when not used, when maintenance is pushed into bridge floor, leads to
Lifting rope is crossed to be hung on the movable support of tower top parapet lifting-point device.The lift control system of suspention operating platform is placed in operation
On platform, the lifting of operating platform is controlled by service personnel.The setting of high altitude anti-falling dropping control device guarantees that service personnel exists on king-post top
Safety when work.
When service work, first operating platform is placed on bridge floor, personnel carry lifting rope and personnel safety rope, from straight king-post
Interior ladder (or elevator) reaches king-post top, and movable support is stretched out king-post top parapet by the telescoping mechanism of lifting-point device
And lock, lifting rope and personnel safety rope are transferred, then on the operational platform by lifting rope installation, personnel enter operating platform, will be safe
Band ties up on personnel safety rope, operation control system, and operating platform is promoted to the maintenance position of king-post, is examined to king-post
It repairs.Referring to Fig.1, Fig. 2.
After the completion of maintenance, operating platform is dropped into bridge floor, releases lifting rope and personnel safety rope, king-post top personnel, which pack up, to be hung
Then rope and personnel safety rope are withdrawn movable support using the telescoping mechanism of lifting-point device in parapet and fixed.King-post top
Personnel by ladder (or elevator) in tower under king-post top on bridge floor, operating platform is moved into storehouse, maintenance terminates.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (6)
1. a kind of examination and repair system of the straight king-post of double plane cable stayed bridge, the straight king-post of double plane cable stayed bridge includes king-post, and king-post top is set
There is parapet, two sides set suspension cable, it is characterised in that the examination and repair system includes
Lifting-point device, the lifting-point device are fixed on the parapet of king-post top, and lifting-point device includes fixed bracket, activity branch
Frame, telescoping mechanism and lifting rope, lifting rope hang over the end of movable support, and movable support passes through fixed bracket, and fixed bracket is fixed on
On tower top parapet, telescoping mechanism is used to adjust the length that movable support stretches out king-post；
Suspend operating platform in midair, the suspention operating platform suspention operating platform is connect by lifting rope with tower top movable support；
Falling proof device, the falling proof device includes the personnel safety rope that one end is fixed on king-post top, and is placed on outstanding
The rope Locking device in operating platform is hung, the rope Locking device is used to suspend in midair the safety belt and personnel safety of operator in operating platform
Cord lock is fixed.
2. a kind of examination and repair system of the straight king-post of double plane cable stayed bridge as described in claim 1, which is characterized in that the suspention behaviour
Making platform is the truss structure being welded by high-strength aluminum alloy.
3. the examination and repair system of the straight king-post of double plane cable stayed bridge as claimed in claim 2, which is characterized in that the suspention operation is flat
Platform includes two groups of C-shaped shaping operation platforms around king-post, two groups of linear type retractable operation platforms and the above-mentioned platform of connection
Flexible cable is stretched C-shaped shaping operation platform and "-" type using flexible cable when a certain fixed position of straight king-post works
Operating platform connection forms closed form, while "-" type retractable operation platform stretches out cantilever；Suspention operating platform passes through in lifting
When barrier, flexible cable is released, "-" type retractable operation platform withdraws cantilever.
4. the examination and repair system of the straight king-post of double plane cable stayed bridge as described in claim 1, which is characterized in that the suspention operation is flat
Be also equipped in platform the driving elevator of operating platform lifting moving, operation control system, rope rolling apparatus and and safety lock, it is described to hang
Rope includes work lifting rope and safety lifting rope, and work lifting rope and safety lifting rope upper end are hung directly from the end of king-post top movable support
Portion, work lifting rope lower end are directly connected with the elevator on suspention operating platform, and safety lifting rope lower end passes through safety lock and operation
Platform is connected, and carries stress by work lifting rope when normal work, and safety lifting rope be servo-actuated folding and unfolding, and the lifting rope that works is caused danger fracture
When, safety lifting rope starts to carry stress, and starting safety lock is braked automatically, and operating platform is prevented to continue to decline；It is operating
When platform rises, rope rolling apparatus is used to withdraw extra safety lifting rope and work lifting rope.
5. a kind of repair method of the straight king-post of double plane cable stayed bridge, it is characterised in that the method includes the steps:
First suspention operating platform is placed on bridge floor；
Operator carries lifting rope and personnel safety rope, from straight king-post ladder or elevator reach king-post top, utilize suspension centre
The telescoping mechanism of device, which stretches out movable support, king-post top parapet and to be locked, and transfers lifting rope and personnel safety rope, then by lifting rope
It is mounted on suspention operating platform；
Operator enters suspention operating platform, safety belt is tied up on personnel safety rope, operation control system, by operating platform
It is promoted to the maintenance position of king-post, king-post is overhauled；
After the completion of maintenance, operating platform is dropped into bridge floor, releases lifting rope and personnel safety rope, operator leaves suspention operation
Platform；
King-post top personnel pack up lifting rope and personnel safety rope, and movable support is then withdrawn female using the telescoping mechanism of lifting-point device
Youngster is within the walls and fixed, personnel by ladder in straight king-post or elevator under king-post top on bridge floor, maintenance terminates.
6. a kind of repair method of the straight king-post of double plane cable stayed bridge as claimed in claim 5, it is characterised in that the suspention behaviour
Making platform is the truss structure being welded by high-strength aluminum alloy, two groups of C-shaped shaping operation platforms, two including surrounding king-post
The flexible cable of group linear type retractable operation platform and the above-mentioned platform of connection is utilized when a certain fixed position of king-post works
Flexible cable connects C-shaped shaping operation platform with "-" type retractable operation platform, forms closed form, while the flexible behaviour of "-" type
Make platform and stretches out cantilever；Operating platform is suspended in midair when lifting breaks the barriers, and releases flexible cable, "-" type retractable operation platform
Withdraw cantilever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910803939.4A CN110485291A (en) | 2019-08-28 | 2019-08-28 | A kind of examination and repair system and its repair method of the straight king-post of double plane cable stayed bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910803939.4A CN110485291A (en) | 2019-08-28 | 2019-08-28 | A kind of examination and repair system and its repair method of the straight king-post of double plane cable stayed bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110485291A true CN110485291A (en) | 2019-11-22 |
Family
ID=68555106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910803939.4A Pending CN110485291A (en) | 2019-08-28 | 2019-08-28 | A kind of examination and repair system and its repair method of the straight king-post of double plane cable stayed bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110485291A (en) |
-
2019
- 2019-08-28 CN CN201910803939.4A patent/CN110485291A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100535361C (en) | Work platform | |
| CN203620134U (en) | Multifunctional high-altitude rescue fire fighting truck | |
| CN202144437U (en) | Standing type single-person hanging seat device | |
| CN104645531A (en) | Multifunctional high-altitude rescue fire fighting truck | |
| CN104721975B (en) | Scalable box skyscraper escape rescue device | |
| CN105113803B (en) | High-altitude sliding hoisting device of corridor truss of mountain and implementing method of high-altitude sliding hoisting device | |
| CN103007453B (en) | High building fire fighting rescue system | |
| CN106012852A (en) | Construction method for overall support removal | |
| CN108100872A (en) | A kind of mechanical hoisting device | |
| CN110485289A (en) | A kind of inspection platform in extension type double plane cable stayed bridge king-post drag-line area | |
| CN110159322A (en) | A kind of clamping device and steel arch-shelf installation trolley for steel arch-shelf | |
| CN110485291A (en) | A kind of examination and repair system and its repair method of the straight king-post of double plane cable stayed bridge | |
| CN210886923U (en) | Maintenance system of straight pylon of double-cable-plane cable-stayed bridge | |
| CN108675116B (en) | Construction method of PC (polycarbonate) component | |
| CN109812117A (en) | A kind of movable-type intelligent lifting radar tower and its installation method | |
| CN210856930U (en) | Maintenance system of cable-stay bridge inverted Y-shaped tower column | |
| CN107973196A (en) | A kind of dual-purpose building hoist of traction-type people goods | |
| CN103452043B (en) | Maintenance system of cable-stayed bridge solid pylon and application of maintenance system | |
| CN104343251A (en) | Sky plaza | |
| CN110485292A (en) | A kind of examination and repair system and repair method of the cable-stayed bridge king-post of falling Y shape | |
| CN203075490U (en) | High-rise building fire rescue system | |
| NL2028914B1 (en) | Suspended system for supporting a person and method for using same, e.g. in confined spaces | |
| CN202644396U (en) | Overhauling system of solid cable bent tower of cable-stayed bridge | |
| JP2012233344A (en) | Method for connecting mast, and device for use in the same | |
| CN209778232U (en) | Self-elevating gantry lifter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |