CN110016860A - Hoisting device of double-cable type cable-stayed bridge - Google Patents
Hoisting device of double-cable type cable-stayed bridge Download PDFInfo
- Publication number
- CN110016860A CN110016860A CN201910415598.3A CN201910415598A CN110016860A CN 110016860 A CN110016860 A CN 110016860A CN 201910415598 A CN201910415598 A CN 201910415598A CN 110016860 A CN110016860 A CN 110016860A
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- Prior art keywords
- frame
- hanging
- hanging frame
- main
- fixed
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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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention discloses a hoisting device of a double-cable type cable-stayed bridge, which relates to the technical field of bridge maintenance devices and comprises the following components: the device comprises a travelling unit and a hanging unit, wherein the travelling unit comprises a main hanging frame with a driving wheel, a secondary hanging frame with a driven wheel and a driving device, a plurality of fixed cylinders are fixedly arranged on the side wall of the secondary hanging frame, movable cylinders are elastically connected in the fixed cylinders, and a plurality of connecting rods are arranged on one side of the main hanging frame and penetrate through the corresponding movable cylinders; the hanging unit comprises a hanging frame, two lifting ropes are wound between the hanging frame and the main hanging frame, and a lifter is fixed at the end of the hanging frame. The main hanging frame and the auxiliary hanging frame are in adjustable connection through the connecting rod, mutual association and mutual support between the main hanging frame and the auxiliary hanging frame are achieved, the self-swinging of the main hanging frame is reduced, and the lifting frame is more stable and safer when being lifted; when the inhaul cable shakes, the main hanging frame and the auxiliary hanging frame can be separated and combined at a small distance and deflected at a small angle, and the flexibility of the advancing unit and the stability of the hanging unit are guaranteed.
Description
Technical field
The present invention relates to the technical field of bridge inspection and maintenance device, the lifting more particularly, to a kind of double drag-line cable-stayed bridges is filled
It sets.
Background technique
Cable-stayed bridge has had a wide range of applications in modern society, the mode used for pass through a large amount of drag-lines directly will
Girder is connect with bridge tower, is by the tower of pressure-bearing, the rope of tension and to hold a kind of structural system that curved beam body combines.Single drag-line
Any side of bridge tower can all have the more different drag-lines of tilt angle to connect with girder in formula cable-stayed bridge, but in addition to single drag-line
Cable-stayed bridge, between girder and bridge tower can also be respectively close to the interior rope of girder and remote using double drag-lines designs, double drag-lines
Outer rope from girder, Nei Suo and the tilt angle of outer rope are consistent.
For the daily maintenance and beautifying and decorating of cable-stayed bridge, common mode is using construction hanging basket, and operator needs
It stands and lamp installation or colored ribbon installation or cleaning is carried out to drag-line in construction hanging basket.Patent announcement number is
The patent of CN103696364A discloses the detection device that visually climbs of a kind of bridge boom, suspension cable and main push-towing rope, is provided with circle
The climbing system outer cup and the climbing system inner cup inside climbing system outer cup of tubular, are provided with pulley between outer cup and inner cup
Group, outer cup height are greater than inner cup；The inner wall upper and lower side of outer cup is respectively arranged under telescopic outer cup upper support bar and outer cup and props up
Strut, the inner wall upper and lower side of inner cup are respectively arranged with telescopic inner cup upper support bar and inner cup lower support bar；Outer cup outer wall is set
It is equipped with the high-definition camera leant out upwards.
In the prior art, construction hanging basket often can be only fixed on a drag-line, but since drag-line top is high and length is long,
Thus drag-line and construction hanging basket are easy to be influenced by upper air current and self gravity influences, and bending by a small margin can occur for drag-line,
Construction hanging basket is easy to happen in the construction process significantly to be shaken and occurs going up and down unstable situation, and operator is endangered when serious
Personal safety.
Summary of the invention
The object of the present invention is to provide a kind of liftings to stablize, the hanging apparatus for double drag-line cable-stayed bridges that safety coefficient is high.
The technical scheme is that:
A kind of hanging apparatus of double drag-line cable-stayed bridges, comprising:
Traveling unit, the traveling unit include that respectively there are two there are two the main extension frame of driving wheel, both ends respectively band for band at both ends
The driving device from frame is hung and for driving the main extension frame to advance of driven wheel, it is described to be installed with multiple fixations from extension frame side wall
Elastic movable supports have a movable cylinder in cylinder and the fixed cylinder, main the extensions frame to it is described from hang frame direction it is extended have it is multiple
It connecting rod and is arranged in the corresponding movable cylinder；And
Hanging unit, the hanging unit include be hung at it is described it is main hang frame immediately below hoisting frame, the hoisting frame with it is described
Two lifting ropes are arranged between main extension frame, the end of the hoisting frame is respectively and fixedly provided with mentioning for lifting rope described in folding and unfolding
The machine of liter.
By using above-mentioned technical proposal, main extension frame and hangs on outer rope and Nei Suo and lead between the two respectively from frame is hung
It crosses connecting rod and realizes adjustable connection, realize main extension frame and from the interrelated and mutual support hung between frame, reduce main extension
The swing of frame itself, hoisting frame will be more stable when going up and down, and the operation of operator can be safer；When high aerial drag-line occurs
When shaking, main extension frame and small distance division and small angle deflection can be achieved between frame from hanging, has ensured the spirit that traveling unit is retreated
Activity, to increase the stability of hanging apparatus.
Be further arranged to: the fixed cylinder and the movable cylinder are coaxially set and are fixed with multiple elasticity between the two
Part, described connecting rod one end and the main extension frame are connected, and other end thread bush is equipped with retaining ring.
By using above-mentioned technical proposal, movable cylinder can realize freely adjusting for any direction and angle in fixed cylinder,
To realize main extension frame and from the flexible modulation hung between frame, connecting rod is fixed after passing through movable cylinder by retaining ring, the company of preventing
Extension bar falls off.
It is further arranged to: being fixed with waterproof cloth between the fixed cylinder both ends and the movable cylinder opposite ends.
By using above-mentioned technical proposal, waterproof cloth is by fixed cylinder and movable cylinder end part seal, to play protection elasticity
The effect of part, while waterproof cloth is in relaxed state, and the movable cylinder amplitude of accommodation is avoided to cross its tearing of senior general.
Be further arranged to: the main both ends for hanging frame are provided with end seat, and there are two driving wheels for setting in the end seat；
The end seat includes that rotation is placed in the main substrate hung in frame and the top plate being wholely set with the substrate, two actives
It takes turns arranged in parallel, wherein a driving wheel is fixed in the substrate, another driving wheel is detachably in the top plate
It is interior.
By using above-mentioned technical proposal, two driving wheels are respectively placed in the two sides up and down of drag-line, make to play clamping
With so that end seat can slide along drag-line, two end seats realize that low-angle is adjusted at the main both ends for hanging frame, so that sliding more steady
It is fixed.
Be further arranged to: the base ends side wall is installed with adjustable column, the main extension frame side wall offer with it is described
The arc groove of adjustable column sliding adaptation.
By using above-mentioned technical proposal, during substrate rotating, adjustable column can slide in arc groove, pass through adjustable column
Limit the angle of substrate rotating.
Be further arranged to: the main both ends for hanging frame bottom wall are installed with link, the lifting rope be linked with and
The safety buckle of the link hasp adaptation.
By using above-mentioned technical proposal, safety buckle can be snapped on link, and traveling unit and hanging unit are separable can
Combination.
Be further arranged to: the driving device includes being respectively placed in two wheel discs of drag-line upper and lower ends and being fixedly arranged on institute
The hoist engine on main extension frame is stated, traveling cable is arranged between two wheel discs and the elevator and by the hoist engine
Control the folding and unfolding of the traveling cable.
By using above-mentioned technical proposal, wheel disc is fixed on the upper and lower ends of outer rope, drives traveling cable by hoist engine
Folding and unfolding realize the adjusting of hoisting frame position to control main advance and retreat of the extension frame on outer rope.
Be further arranged to: the fixed strap there are two for being affiliated to drag-line in the wheel disc side, two described solid
Clamping screw is equipped on clamp plate.
By using above-mentioned technical proposal, clamping screw compresses it after passing through strap, and strap consolidates wheel disc
It is scheduled on stay cable end, so that traveling cable can be around wheel disc.
Be further arranged to: the both ends of the hoisting frame are installed with safety lock, and the lifting rope both passes through corresponding institute
State safety lock.
By using above-mentioned technical proposal, elevator goes up and down the lift adjustment of rope realization progress hoisting frame by driving,
Security control is carried out to lifting rope by safety lock.
Be further arranged to: the hoisting frame bottom four corners are installed with stabilizer blade, are installed with cushion on the stabilizer blade.
By using above-mentioned technical proposal, cushion improves hoisting frame buffer capacity, keeps its landing more stable.
In conclusion advantageous effects of the invention are as follows:
(1) main extension frame and be separately fixed on outer rope and Nei Suo from frame is hung, and between the two by connecting rod realize it is fixed thus
Form whole, main extension frame and the stabilization for moving synchronously guarantee traveling unit from extension frame；
(2) hoisting frame can be freely lifted below main extension frame, go up and down more stable, the main advance and retreat for hanging frame of cooperation, operator's
Maintenance and ornamental work operation are more convenient, also safer；
(3) by movable cylinder freely adjusting in fixed cylinder, make winner hang frame and from hang can be achieved between frame small distance division with
Small angle deflection has ensured flexibility and stability that traveling unit is retreated.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the structural schematic diagram of traveling unit of the invention；
Fig. 3 is the portion B partial enlarged view in Fig. 2；
Fig. 4 is the cross-sectional view of the line A-A along Fig. 2；
Fig. 5 is the portion C partial enlarged view in Fig. 4.
Appended drawing reference: 1, driving wheel；2, main extension frame；3, driven wheel；4, from extension frame；5, fixed cylinder；6, movable cylinder；7, it connects
Bar；8, hoisting frame；9, rope is gone up and down；10, elevator；11, elastic component；12, retaining ring；13, waterproof cloth；14, end seat；141, base
Plate；142, top plate；15, adjustable column；16, arc groove；17, link；18, safety buckle；19, wheel disc；20, hoist engine；21, fixing clamp
Plate；22, clamping screw；23, safety lock；24, stabilizer blade；25, cushion.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Referring to Fig.1, it is a kind of hanging apparatus of double drag-line cable-stayed bridges disclosed by the invention, including is hung on drag-line and edge
The traveling unit and connect with traveling unit and liftable hanging unit that its length direction is advanced.
Referring to Fig. 2 and Fig. 3, traveling unit includes main extension frame 2 and is in cuboid from extension frame 4, main extension frame 2 and from frame 4 is hung
The frame of shape, the main both ends for hanging frame 2 are provided with end seat 14, and there are two driving wheels 1 for band in each end seat 14.End seat 14 includes
The substrate 141 and top plate 142 being wholely set, substrate 141, which is swung, is placed in the main end for hanging frame 2, and it is remote that top plate 142 is located at substrate 141
Side from girder a, wherein driving wheel 1 is fixed in substrate 141, another driving wheel 1 is detachably fixed by bolt
It is arranged in parallel between two driving wheels 1 in top plate 142.There are four driving wheels 1 altogether for one main extension frame 2.Pass through driving wheel
1 is clamped in Wai Suoshang, so that active frame can slide along outer rope.End of the substrate 141 at main extension 2 center of frame is fixed with tune
Segmented column 15, adjustable column 15 are total to there are two and are symmetricly set on 141 two sides of substrate, and main 2 side wall of extension frame offers sliding with adjustable column 15
The arc groove 16 of adaptation is moved, adjustable column 15 gos deep into arc groove 16.In 141 rotation process of substrate, adjustable column 15 can be in arc
Sliding in slot 16 limits the angle of the rotation of substrate 141 by adjustable column 15, while also achieving end seat 14 at main 2 end of extension frame
The small angle oscillation in portion is adjusted, and so that winner is hung sliding for frame 2 more stable.
Referring to Fig. 4 and Fig. 5, from each fixation in both ends of extension frame 4, there are two driven wheel 3 and two ipsilateral 3 phases of driven wheel
It is mutually arranged in parallel, from hanging on frame 4, there are four driven wheels 3 altogether.Multiple fixed cylinders 5, fixed cylinder are fixed with from the top surface for hanging 4 side wall of frame
5 axis centre is parallel with the pivot center of driven wheel 3, and fixed cylinder 5 is preferably two and is respectively placed in from the both ends for hanging frame 4.
Elastic movable supports have movable cylinder 6 in fixed cylinder 5, and fixed cylinder 5 and movable cylinder 6 are coaxially set and movable 6 length of cylinder is greater than admittedly
Safety barrel 5 is fixed with multiple elastic components 11 between fixed cylinder 5 and movable cylinder 6, elastic component 11 is spring, and spring shares eight, activity
Cylinder 6 two ends respectively connect there are four spring.Main extension frame 2 is to having multiple connecting rods 7 and wear from hanging 4 direction of frame and be extended
In in corresponding movable cylinder 6,7 one end of connecting rod and main extension frame 2 are connected, and other end thread bush is equipped with retaining ring 12.Movable cylinder 6 can be
Freely adjusting for any direction and angle is realized in fixed cylinder 5, to realize main extension frame 2 and divide from the small distance between extension frame 4
It closes and small angle deflection, connecting rod 7 is fixed after passing through movable cylinder 6 by retaining ring 12, prevent falling off for connecting rod 7.Fixed cylinder 5
It is fixed with waterproof cloth 13 between 6 opposite ends of both ends and movable cylinder, when movable cylinder 6 does not stress, two waterproof clothes 13 are located
In relaxed state.Waterproof cloth 13 to play the role of protecting elastic component 11, and locates 6 end part seal of fixed cylinder 5 and movable cylinder
It is excessive and Splitting occur to can avoid movable 6 amplitude of accommodation of cylinder in the waterproof cloth 13 of relaxed state.
Referring to Figures 1 and 2, traveling unit further includes the driving device for driving main extension frame 2 to advance, and driving device includes
It is respectively placed in two wheel discs 19 of outer rope upper and lower ends, the fixed strap there are two for being affiliated to outer rope in 19 side of wheel disc
21, two straps 21 hold outer cord clip and end is equipped with clamping screw 22, and clamping screw 22 runs through two straps
21 and the two is fixed.It is compressed it after strap 21 by adopting clamping screw 22, strap 21 consolidates wheel disc 19
It is scheduled on stay cable end.Driving device further includes the hoist engine 20 being fixedly arranged on main extension frame 2, and hoist engine 20 is located at main 2 direction of extension frame
The side of girder, is arranged with traveling cable between two wheel discs 19 and elevator 10, traveling cable is wrapped on wheel disc 19 and wears
Hoist engine 20 is crossed, the folding and unfolding of traveling cable is controlled by hoist engine 20.Hoist engine 20 to control it is main extension frame 2 on outer rope into
It moves back, realizes the adjusting of hanging unit position.
Referring to Fig.1, hanging unit includes the hoisting frame 8 being hung at immediately below main extension frame 2, between hoisting frame 8 and main extension frame 2
Two lifting ropes 9 are arranged with, the main both ends for hanging 2 bottom wall of frame are installed with link 17, go up and down and are linked with and link 17 on rope 9
The safety buckle 18 of hasp adaptation.By that can snap over safety buckle 18 on link 17, traveling unit and hanging unit are separable can
Combination.The end of hoisting frame 8 is respectively and fixedly provided with the elevator 10 for folding and unfolding lifting rope 9, each elevator 10 controls one
Go up and down the folding and unfolding of rope 9.The both ends of hoisting frame 8 are installed with safety lock 23, and lifting rope 9 both passes through corresponding safety lock 23.It mentions
Machine 10 is risen by driving the lifting realization of rope 9 to carry out the lift adjustment of hoisting frame 8, is carried out by 23 pairs of lifting ropes 9 of safety lock
Security control.8 bottom four corners of hoisting frame are respectively and fixedly provided with stabilizer blade 24, cushion 25 are fixed on stabilizer blade 24, cushion 25 is by rubber
Material is made.8 buffer capacity of hoisting frame is improved by cushion 25, keeps the landing of hoisting frame 8 more stable.
It the implementation principle of the present embodiment and has the beneficial effect that
The hanging of main extension frame 2 is on outer rope, from hanging the hanging of frame 4 on interior rope, main extensions frame 2 and passes through connection between the two from extension frame 4
Bar 7 realizes adjustable connection, and connecting rod 7 penetrates in movable cylinder 6 and fixed by retaining ring 12.Two wheel discs 19 are fixed on outer rope
Ending both ends, have traveling cable between main extension frame 2 and two wheel discs 19 and hoist engine 20 to traveling cable carry out folding and unfolding control,
There are 10 pairs of lifting ropes 9 of lifting rope 9 and elevator to carry out folding and unfolding control between hoisting frame 8 and main extension frame 2.
The present invention is separately fixed at the stabilization of guarantee traveling unit on outer rope and Nei Suo by main extension frame 2 and from extension frame 4, adopts
Main extension frame 2 is realized with connecting rod 7 and from the interrelated and mutual support hung between frame 4, reduces the pendulum of traveling unit itself
Dynamic, so that hoisting frame 8 is more stable when going up and down, the maintenance of operator and ornamental work operation are more convenient, also more pacify
Entirely.When high aerial outer rope and Nei Suo respectively shake, by movable cylinder 6 freely adjusting in fixed cylinder 5, hang winner
Frame 2 and small distance division and small angle deflection can be achieved between frame 4 from hanging, has ensured the flexibility that traveling unit is retreated, it will not
It is stuck to be parked on drag-line, also increase the lifting stability of hanging unit.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of hanging apparatus of double drag-line cable-stayed bridges characterized by comprising
Traveling unit, the traveling unit include that respectively there are two the main extension frames (2) of driving wheel (1), each band in both ends for band at both ends
It is described from extension frame (4) there are two the driving device from frame (4) are hung and for driving main extension frame (2) to advance of driven wheel (3)
Side wall is installed with multiple fixed cylinders (5) and the fixed cylinder (5) interior elastic movable supports have movable cylinder (6), the main extension frame (2)
There are multiple connecting rods (7) to described and be arranged in the corresponding movable cylinder (6) from hanging frame (4) direction and be extended；And
Hanging unit, the hanging unit include being hung at the main hoisting frame (8) hung immediately below frame (2), the hoisting frame
(8) two lifting ropes (9) are arranged between the main extension frame (2), the end of the hoisting frame (8) is respectively and fixedly provided with for receiving
Put the elevator (10) of lifting rope (9).
2. the hanging apparatus of double drag-line cable-stayed bridges according to claim 1, which is characterized in that the fixed cylinder (5) and
It is described activity cylinder (6) be coaxially set and be fixed between the two multiple elastic components (11), described connecting rod (7) one end with it is described
Main extension frame (2) is connected, and other end thread bush is equipped with retaining ring (12).
3. the hanging apparatus of double drag-line cable-stayed bridges according to claim 2, which is characterized in that the fixed cylinder (5) two
Waterproof cloth (13) are fixed between end and described movable cylinder (6) opposite ends.
4. the hanging apparatus of double drag-line cable-stayed bridges according to claim 2, which is characterized in that main extension frame (2)
Both ends are provided with end seat (14), and there are two driving wheel (1) for setting in the end seat (14)；
The end seat (14) includes that rotation is placed in the main substrate (141) hung in frame (2) and integrally sets with the substrate (141)
The top plate (142) set, two driving wheels (1) are arranged in parallel, wherein a driving wheel (1) is fixed on the substrate (141)
Interior, another driving wheel (1) is detachably in the top plate (142).
5. the hanging apparatus of double drag-line cable-stayed bridges according to claim 4, which is characterized in that substrate (141) end
Portion's side wall is installed with adjustable column (15), and described main frame (2) side wall of hanging offers the arc being adapted to the adjustable column (15) sliding
Slot (16).
6. the hanging apparatus of double drag-line cable-stayed bridges according to claim 1, which is characterized in that main extension frame (2) bottom
The both ends of wall are installed with link (17), and lifting rope (9) is linked with the safety being adapted to the link (17) hasp
It detains (18).
7. the hanging apparatus of double drag-line cable-stayed bridges according to claim 1, which is characterized in that the driving device includes
It is respectively placed in two wheel discs (19) of drag-line upper and lower ends and is fixedly arranged on the main hoist engine (20) hung on frame (2), two institutes
It states and is arranged with traveling cable between wheel disc (19) and the elevator (10) and controls the traveling by the hoist engine (20)
The folding and unfolding of rope.
8. the hanging apparatus of double drag-line cable-stayed bridges according to claim 7, which is characterized in that wheel disc (19) side
For being affiliated to the strap (21) of drag-line there are two fixed, clamping screw is equipped on two straps (21)
(22).
9. the hanging apparatus of double drag-line cable-stayed bridges according to claim 8, which is characterized in that the hoisting frame (8)
Both ends are installed with safety lock (23), and the lifting rope (9) both passes through the corresponding safety lock (23).
10. the hanging apparatus of double drag-line cable-stayed bridges according to claim 1, which is characterized in that hoisting frame (8) bottom
Portion quadrangle is installed with stabilizer blade (24), is installed with cushion (25) on the stabilizer blade (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910415598.3A CN110016860B (en) | 2019-05-18 | 2019-05-18 | Hoisting device of double-inhaul cable type cable-stayed bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910415598.3A CN110016860B (en) | 2019-05-18 | 2019-05-18 | Hoisting device of double-inhaul cable type cable-stayed bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110016860A true CN110016860A (en) | 2019-07-16 |
| CN110016860B CN110016860B (en) | 2024-02-27 |
Family
ID=67193983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910415598.3A Active CN110016860B (en) | 2019-05-18 | 2019-05-18 | Hoisting device of double-inhaul cable type cable-stayed bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110016860B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114717927A (en) * | 2022-04-12 | 2022-07-08 | 安徽省公路桥梁工程有限公司 | Special jib of butterfly arched bridge |
| CN118029286A (en) * | 2024-04-11 | 2024-05-14 | 贵州桥梁建设集团有限责任公司 | Manipulator for suspension bridge construction |
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| WO2014015757A1 (en) * | 2012-07-24 | 2014-01-30 | 湖北武大珞珈工程结构检测咨询有限公司 | Bridge maintenance vehicle with hinge-connected type hanging bracket and capable of avoiding bridge-side obstacles |
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| CN107476188A (en) * | 2017-07-14 | 2017-12-15 | 武汉理工大学 | Wireless control's suspension cable atress detector |
| KR101913349B1 (en) * | 2018-05-25 | 2018-10-30 | (주)관수이앤씨 | Cable inspection trolley having driving wheel of non-contact with cable band |
| CN209975362U (en) * | 2019-05-18 | 2020-01-21 | 中铁十五局集团电气化工程有限公司 | Hoisting device of double-cable type cable-stayed bridge |
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| KR20040012320A (en) * | 2002-08-02 | 2004-02-11 | 주식회사유신코퍼레이션 | movable work truck for suspending construction of bridge |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114717927A (en) * | 2022-04-12 | 2022-07-08 | 安徽省公路桥梁工程有限公司 | Special jib of butterfly arched bridge |
| CN114717927B (en) * | 2022-04-12 | 2025-01-07 | 安徽省公路桥梁工程有限公司 | A special suspender for butterfly arch bridge |
| CN118029286A (en) * | 2024-04-11 | 2024-05-14 | 贵州桥梁建设集团有限责任公司 | Manipulator for suspension bridge construction |
| CN118029286B (en) * | 2024-04-11 | 2024-06-11 | 贵州桥梁建设集团有限责任公司 | Manipulator for suspension bridge construction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110016860B (en) | 2024-02-27 |
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