CN110485289A - A kind of inspection platform in extension type double plane cable stayed bridge king-post drag-line area - Google Patents
A kind of inspection platform in extension type double plane cable stayed bridge king-post drag-line area Download PDFInfo
- Publication number
- CN110485289A CN110485289A CN201910802838.5A CN201910802838A CN110485289A CN 110485289 A CN110485289 A CN 110485289A CN 201910802838 A CN201910802838 A CN 201910802838A CN 110485289 A CN110485289 A CN 110485289A
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- platform
- operating platform
- post
- safety
- lifting rope
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The present invention provides a kind of inspection platform in extension type double plane cable stayed bridge king-post drag-line area, and suspention operating platform is located between two drag-line faces；The retractable operation platform is located in suspention operating platform, can be along the track sliding in suspention operating platform, stretching suspention operating platform；The lifting system includes the flexible suspension centre bracket of portal frame, elevator, safety lock, lifting rope and tower top, the portal frame is connected with suspention operating platform, the elevator, safety lock installation are on the gantry, the tower top suspension centre bracket that stretches is connected with portal frame by the lifting rope, under the drive of elevator, suspends operating platform in midair and retractable operation platform can oscilaltion；The falling proof device is fixed on straight king-post top.Inspection platform of the invention can retract avoiding obstacles by retractable operation platform when encountering the barriers such as suspension cable, be particularly suitable for carrying out examination and maintenance operation to double plane cable stayed bridge king-post drag-line area.
Description
Technical field
The present invention relates to the technical field of bridge maintaining, specifically a kind of extension type double plane cable stayed bridge king-post is drawn
The inspection platform in rope area.
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 loads passed over by suspension cable as main bearing carrier, transports in bridge
During battalion, because structure safety requirements need to check king-post, safeguard or because landscape requirement need to carry out coating, dress to king-post
Decorations.
For drag-line face, it is dispersed with multiple skew cables up and down along king-post and the tilt angle of suspension cable is different, how to avoid
It is a problem that suspension cable, which carries out maintenance to drag-line distributed area,." a kind of inspection platform of the detachable straight king-post of cable-stayed bridge " is (special
Sharp application number: CN201521060708.2) it proposes to take the mode of disengaging section inspection platform around suspension cable, but mode operates
It is complicated and again it is high it is aerial carry out, seriously affect the efficiency of maintenance.Therefore, it is necessary to develop a kind of inspection platform, this maintenance is flat
Platform is able to satisfy light-weight, easy to operate, the achievable maintenance to double plane cable stayed bridge king-post drag-line area and is not hindered by suspension cable etc.
Hinder the requirement of object influence etc..
Summary of the invention
The purpose of the present invention is to provide a kind of inspection platforms in extension type double plane cable stayed bridge king-post drag-line area, can be real
Now to double plane cable stayed bridge king-post drag-line area maintenance and do not influenced by barriers such as suspension cables.
To achieve the goals above, technical scheme is as follows: a kind of extension type double plane cable stayed bridge king-post drawing
The inspection platform in rope area, which is characterized in that the inspection platform includes:
Suspend operating platform in midair, the suspention operating platform is located between two drag-line faces；
Retractable operation platform, the retractable operation platform are located in suspention operating platform, can be along the track in suspention operating platform
Suspention operating platform is stretched out in sliding；
Lifting system, the lifting system includes the flexible suspension centre bracket of portal frame, elevator, safety lock, lifting rope and tower top, described
Portal frame is connected with suspention operating platform, and the elevator, safety lock are installed on the gantry, and the tower top stretches suspension centre bracket
It is fixed on tower top parapet, the tower top suspension centre bracket that stretches is connected with portal frame by the lifting rope, in the drive of the elevator
Under, suspend operating platform and retractable operation platform oscilaltion in midair；
When retractable operation platform encounters the barriers such as suspension cable in lifting process, it can be retracted along the track in suspention operating platform
It suspends in midair in operating platform, to avoid the barriers such as suspension cable.
Further, the inspection platform further includes falling proof device, and the falling proof device includes that one end is fixed on
The personnel safety rope on king-post top, and the rope Locking device being placed in suspention operating platform, the rope Locking device will be for that will suspend behaviour in midair
Make the safety belt of operator in platform to be connected with personnel safety rope, when operating platform is gone up and down, rope Locking device is sliding along personnel safety rope
It is dynamic, when operating platform reaches maintenance position, rope Locking device switch is pressed, safety belt and personnel safety cord lock are determined.
Further, the suspention operating platform and retractable operation platform are the truss being welded by high-strength aluminum alloy
Structure.
Further, the bottom for suspending operating platform in midair is installed close to king-post face there are two wall wheel, and the wall wheel uses
Rubber wheel can roll in operating platform lifting process along king-post face.
Further, end face column of the retractable operation platform in protruding side and the side column far from king-post, are overturn using hinge
Mode, reduce retractable operation platform pass through two skew cables between height.
Further, the lifting rope includes work lifting rope and safety lifting rope, and work lifting rope and safety lifting rope upper end are direct
It is suspended on the end of the flexible suspension centre bracket of tower top, work lifting rope lower end is directly connected with the elevator on portal frame, safety lifting rope
Lower end passes through safety lock and is connected with portal frame, and by work lifting rope carrying stress when normal work, safety lifting rope is servo-actuated folding and unfolding, work
Lifting rope is caused danger when being broken, and safety lifting rope starts to carry stress, and starting safety lock is braked automatically, prevents operating platform
Continue to decline.
The beneficial effects of the present invention are:
1) this inspection platform can realize all standing maintenance in double plane cable stayed bridge king-post drag-line area, encounter the barriers such as suspension cable
When, suspension cable can be avoided by the flexible of operating platform.
2) tower top stretches suspension centre bracket when not in use, may contract in parapet, is conducive to maintenance, and do not influence bridge scape
It sees.
3) operating platform uses the truss structure of high-strength aluminum alloy material, significantly reduces the weight of operating platform, has
Effect reduces the requirement to lifting system hoisting power.
4) it suspends operating platform, lifting rope in midair when not in use, can be placed in storehouse, avoid exposure in outdoor environment, use the longevity
Life greatly increases.
5) when maintenance construction, since construction infection range is small, bridge floor driving is influenced small.
Detailed description of the invention
Fig. 1 is the inspection platform direction across bridge side view in extension type double plane cable stayed bridge king-post drag-line area.
Fig. 2 be extension type double plane cable stayed bridge king-post drag-line area inspection platform along bridge to side view.
Fig. 3 is the full-page proof A in Fig. 1.
Fig. 4 is the full-page proof B in Fig. 2.
Fig. 5 is that retractable operation platform end face column and side column overturn schematic diagram.
It include: 1- suspention operating platform, 1.1- wall wheel, 1.2- track, 2- retractable operation platform, the gantry 3.1- in figure
Frame, 3.2- elevator, 3.3- safety lock, 3.4- lifting rope, 3.4.1- work lifting rope, 3.4.2- safety lifting rope, 3.5- tower top are flexible
Suspension centre bracket, 4- falling proof device, 4.1- personnel safety rope, 5- suspension cable, 6- parapet, 7- king-post face.
Specific embodiment
With reference to the accompanying drawing 1 ~ 5 and embodiment the invention will be further described.
Referring to figure 1 ~ 4, the inspection platform in a kind of extension type double plane cable stayed bridge king-post drag-line area comprising: suspention
Operating platform 1, retractable operation platform 2 and lifting system and falling proof device 4.
Referring to Fig.1, suspention operating platform 1 is located between two drag-line faces.Referring to Fig. 3, Fig. 4, retractable operation platform 2 is located at
It suspends in midair in operating platform 1, it can be along the sliding of track 1.2 in suspention operating platform 1, stretching suspention operating platform 1.
Referring to figure 1 ~ 4, lifting system includes that portal frame 3.1, elevator 3.2, safety lock 3.3, lifting rope 3.4 and tower top are stretched
Contracting suspension centre bracket 3.5, the portal frame 3.1 are connected with suspention operating platform 1, and the elevator 3.2, safety lock 3.3 are mounted on
On portal frame 3.1, the flexible suspension centre bracket 3.5 of the tower top is fixed on tower top parapet 6, adjustably adjusts the length for stretching out king-post
Degree, the tower top suspension centre bracket 3.5 that stretches is connected with portal frame 3.1 by the lifting rope 3.4, outstanding under the drive of the elevator 3.2
Hang 2 oscilaltion of operating platform 1 and retractable operation platform.
Referring to Fig.1 ~ Fig. 3, falling proof device 4 includes the personnel safety rope 4.1 that one end is fixed on king-post top, and is placed
Rope Locking device in suspention operating platform, the rope Locking device will be for that will suspend the safety belt of operator and personnel in operating platform in midair
Safety rope 4.1 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
Lower rope Locking device switch, safety belt and personnel safety cord lock are determined.
Referring to Fig. 3, Fig. 4, close to the installation of king-post face, there are two wall wheels 1.1 for the bottom of suspention operating platform 1, described to lean on wall
Wheel 1.1 can be rolled using rubber wheel in operating platform lifting process along king-post face.
Referring to 1, Fig. 2, when retractable operation platform 2 encounters the barriers such as suspension cable 5 in lifting process, can be operated along suspention
Track 1.2 in platform 1 retracts in suspention operating platform 1, to avoid the barriers such as suspension cable 5.
Referring to Fig. 5, end face column of the retractable operation platform 2 in protruding side and the side column far from king-post are overturn using hinge
Mode, reduce retractable operation platform pass through two skew cables between height.I.e. retractable operation platform is on the end face column of protruding side
It is divided into two parts up and down with the side column far from king-post, upper part, which is formed by way of hinge with lower part, rotatably to be connected
It connects, when needing, upper part can be translated into such a way that hinge is overturn and be overlapped with lower part, worn to reduce retractable operation platform
Cross the height between two skew cables.
Referring to Fig. 3, lifting rope 3.4 includes work lifting rope 3.4.1 and safety lifting rope 3.4.2, and work lifting rope 3.4.1 and safety jaw
The rope upper end 3.4.2 is hung directly from tower top and stretches the end of suspension centre bracket 3.5, and the work lower end lifting rope 3.4.1 is directly and gantry
Elevator 3.2 on frame 3.1 is connected, and the lower end safety lifting rope 3.4.2 passes through safety lock 3.3 and is connected with portal frame 3.1, works normally
When 3.4.1 held by work lifting rope carry stress, safety lifting rope 3.4.2 be servo-actuated folding and unfolding, and the lifting rope 3.4.1 that works causes danger when being broken,
Safety lifting rope 3.4.2 starts to carry stress, and starting safety lock 3.3 is braked automatically, and operating platform is prevented to continue to decline.
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 inspection platform in extension type double plane cable stayed bridge king-post drag-line area, which is characterized in that the inspection platform
Include:
Suspend operating platform in midair, the suspention operating platform is located between two drag-line faces；
Retractable operation platform, the retractable operation platform are located in suspention operating platform, can be along the track in suspention operating platform
Suspention operating platform is stretched out in sliding；
Lifting system, the lifting system includes the flexible suspension centre bracket of portal frame, elevator, safety lock, lifting rope and tower top, described
Portal frame is connected with suspention operating platform, and the elevator, safety lock are installed on the gantry, and the tower top stretches suspension centre bracket
It is fixed on tower top parapet, the tower top suspension centre bracket that stretches is connected with portal frame by the lifting rope, in the drive of the elevator
Under, it suspends operating platform in midair and retractable operation platform can oscilaltion；
When retractable operation platform encounters the barriers such as suspension cable in lifting process, it can be retracted along the track in suspention operating platform
It suspends in midair in operating platform, to avoid the barriers such as suspension cable.
2. a kind of inspection platform in extension type double plane cable stayed bridge king-post drag-line area as described in claim 1, feature exist
In the inspection platform further includes falling proof device, and the falling proof device includes the personnel that one end is fixed on king-post top
Safety rope, and the rope Locking device being placed in suspention operating platform, the rope Locking device will be for that will suspend operator in operating platform in midair
The safety belt of member is connected with personnel safety rope, and when operating platform is gone up and down, rope Locking device is slided along personnel safety rope, and operating platform reaches
When overhauling position, rope Locking device switch is pressed, safety belt and personnel safety cord lock are determined.
3. a kind of inspection platform in extension type double plane cable stayed bridge king-post drag-line area as described in claim 1, feature exist
In the suspention operating platform and retractable operation platform are the truss structure being welded by high-strength aluminum alloy.
4. a kind of inspection platform in extension type double plane cable stayed bridge king-post drag-line area as described in claim 1, feature exist
In the bottom for suspending operating platform in midair is installed close to king-post face there are two wall wheel, and the wall wheel uses rubber wheel, flat in operation
In platform lifting process, it can be rolled along king-post face.
5. a kind of inspection platform in extension type double plane cable stayed bridge king-post drag-line area as described in claim 1, feature exist
In end face column of the retractable operation platform in protruding side and the side column far from king-post are reduced flexible by the way of hinge overturning
Operating platform passes through the height between two skew cables.
6. a kind of inspection platform in extension type double plane cable stayed bridge king-post drag-line area as described in claim 1, feature exist
In the lifting rope includes work lifting rope and safety lifting rope, and it is flexible that work lifting rope and safety lifting rope upper end are hung directly from tower top
The end of suspension centre bracket, work lifting rope lower end are directly connected with the elevator on portal frame, and safety lifting rope lower end passes through safety lock
It is connected with portal frame, stress is carried by work lifting rope when normal work, safety lifting rope be servo-actuated folding and unfolding, and the lifting rope that works is caused danger brokenly
When disconnected, safety lifting rope starts to carry stress, and starting safety lock is braked automatically, and operating platform is prevented to continue to decline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910802838.5A CN110485289A (en) | 2019-08-28 | 2019-08-28 | A kind of inspection platform in extension type double plane cable stayed bridge king-post drag-line area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910802838.5A CN110485289A (en) | 2019-08-28 | 2019-08-28 | A kind of inspection platform in extension type double plane cable stayed bridge king-post drag-line area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110485289A true CN110485289A (en) | 2019-11-22 |
Family
ID=68554854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910802838.5A Pending CN110485289A (en) | 2019-08-28 | 2019-08-28 | A kind of inspection platform in extension type double plane cable stayed bridge king-post drag-line area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110485289A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111456404A (en) * | 2020-04-20 | 2020-07-28 | 上海建工集团股份有限公司 | Double-layer operation platform and construction method for avoiding attachment of tower crane |
| CN112144375A (en) * | 2020-09-17 | 2020-12-29 | 上海市政工程设计研究总院（集团）有限公司 | Personnel inspection channel for bridge expansion joint and construction method thereof |
| CN114837100A (en) * | 2022-06-17 | 2022-08-02 | 中国一冶集团有限公司 | Template installation mechanism is used in construction of bridge anticollision barrier |
-
2019
- 2019-08-28 CN CN201910802838.5A patent/CN110485289A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111456404A (en) * | 2020-04-20 | 2020-07-28 | 上海建工集团股份有限公司 | Double-layer operation platform and construction method for avoiding attachment of tower crane |
| CN112144375A (en) * | 2020-09-17 | 2020-12-29 | 上海市政工程设计研究总院（集团）有限公司 | Personnel inspection channel for bridge expansion joint and construction method thereof |
| CN114837100A (en) * | 2022-06-17 | 2022-08-02 | 中国一冶集团有限公司 | Template installation mechanism is used in construction of bridge anticollision barrier |
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