CN211006334U - Maintenance equipment for inner side surface of inverted Y-shaped tower column of three-way movable cable-stayed bridge - Google Patents
Maintenance equipment for inner side surface of inverted Y-shaped tower column of three-way movable cable-stayed bridge Download PDFInfo
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- CN211006334U CN211006334U CN201921424205.7U CN201921424205U CN211006334U CN 211006334 U CN211006334 U CN 211006334U CN 201921424205 U CN201921424205 U CN 201921424205U CN 211006334 U CN211006334 U CN 211006334U
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Abstract
A maintenance device for the inner side surface of an inverted Y-shaped tower column of a three-way movable cable-stayed bridge is characterized in that a hoisting point device in the tower is clamped in the middle of the inverted Y-shaped tower column by using gravity, the hoisting point device in the tower comprises an annular framework, a rail and electric travelling wheels, the rail is transversely arranged below the annular framework, and the electric travelling wheels are clamped on the rail and can travel along the rail transverse bridge direction; 2 sliding hanging baskets are symmetrically hung on two sides of the middle hanging basket and can slide along the middle hanging basket along the bridge direction; the lifting rope is used for connecting the suspension operation platform with the hoisting point device in the tower and driving the suspension operation platform to vertically lift. The maintenance equipment of the utility model is clamped in the middle of the tower column by the hoisting point device in the tower by gravity, so that an anchoring part is not needed to be arranged on the tower column, and the influence on the structure of the tower column is reduced; the suspension operation platform can move in three directions, so that the interference of stay cables can be avoided, and the full-coverage maintenance of the inner side surface of the inverted Y-shaped tower column can be realized; during the maintenance construction, because the construction influence scope is little, it is little to bridge floor driving influence.
Description
Technical Field
The utility model belongs to the technical field of the technique of bridge maintenance and specifically relates to a maintenance equipment of Y shape pylon medial surface is fallen to portable cable-stay bridge of three-dimensional.
Background
The cable-stayed bridge is widely applied to the field of bridge engineering due to attractive appearance, reasonable stress and larger spanning capacity. The tower column of the cable-stayed bridge is used as a main bearing component to bear various loads transmitted by a stay cable, and the tower column needs to be inspected and maintained due to structural safety requirements or coated and decorated due to landscape requirements in the operation process of the bridge. For the lower bifurcated tower column of the inverted Y-shaped tower column, the problems that the inner side surface is inclined inwards, the 0# stay cable interference exists on the inner side surface and the like exist, and how to overhaul the inner side surface of the lower bifurcated tower column of the inverted Y-shaped tower column is a difficult problem. Therefore, it is necessary to develop a maintenance device which can satisfy the requirements of light weight, convenient operation, maintenance of the inner side surface of the bifurcated tower column at the lower part of the inverted Y-shaped tower column, no influence of obstacles such as stay cables and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a but maintenance equipment of three-dimensional portable cable-stay bridge shape pylon medial surface of falling Y can realize overhauing and not receiving the influence of obstacles such as suspension cable to the Y shape pylon lower part branching pylon medial surface of falling.
In order to achieve the above purpose, the technical solution of the present invention is as follows: the utility model provides a maintenance equipment of portable cable-stay bridge of three-dimensional shape pylon medial surface that falls, its characterized in that, maintenance equipment include:
the hoisting point device in the tower is clamped in the middle of the inverted Y-shaped tower column by utilizing gravity and comprises an annular framework, a track and electric travelling wheels, wherein a track transverse bridge is arranged below the annular framework, and the electric travelling wheels are clamped on the track and can travel along the track transverse bridge;
the suspension operation platform comprises 1 middle hanging basket and 2 sliding hanging baskets, and the 2 sliding hanging baskets are symmetrically hung on two sides of the middle hanging basket and can slide along the middle hanging basket in the bridge direction;
and the lifting rope is used for connecting the suspension operation platform with the lifting point device in the tower and driving the suspension operation platform to vertically lift.
Further, the both sides outside of middle hanging flower basket sets up upper portion railing and lower part railing respectively, it is equipped with the opening decurrent upper portion couple that sets up with the cooperation of upper portion railing to slide to hang one side upper portion that basket and middle string basket correspond, the lower part is equipped with the ascending lower part couple of opening that sets up with the cooperation of lower part railing, the inboard both sides of upper portion couple and top all are equipped with the gyro wheel that slides, the inboard both sides of lower part couple and bottom all are equipped with the gyro wheel that slides, the last couple that slides and hang the basket is hung on the upper portion railing that hangs the basket in the middle, the lower couple that slides and hang the basket is hung on the lower part railing that hangs the basket in the middle.
Furthermore, the hoisting point device in the tower comprises 4 electric traveling wheels, 2 electric traveling wheels are arranged on each side of the track, and the two electric traveling wheels on the same side are connected through an upper connecting rod so as to ensure the traveling synchronism of the two electric traveling wheels on the same side.
Furthermore, the suspension operation platform is provided with 4 suspension points, and the suspension rope comprises a working rope and a safety rope; each lifting point of the suspension operation platform is connected with 1 electric walking wheel in the lifting point device in the tower through 1 working rope and 1 safety rope respectively, when the suspension operation platform works normally, the working ropes bear stress, the safety ropes are wound and unwound in a follow-up mode, when the working lifting ropes are broken dangerously, the safety ropes begin to bear stress, the safety locks are automatically started to brake, and the suspension operation platform is prevented from continuously descending.
Furthermore, the 2 sliding hanging baskets are connected at the bottom through a lower connecting rod so as to ensure that the sliding hanging baskets on the two sides synchronously slide and symmetrically work.
Furthermore, a lifting machine, an operation control system, a rope collecting device and a safety lock which are used for driving the operation platform to lift and move are arranged in the suspension operation platform.
Further, when the maintenance equipment is used, the suspension operation platform is vertically lifted to a certain height by a lifter in the suspension operation platform, then an electric travelling wheel in a hoisting point device in the tower is used for driving the suspension operation platform to transversely move to a certain position, and finally the inner side surface of the tower column is maintained by sliding the sliding suspension basket along the bridge direction while avoiding the interference of the stay cable.
The beneficial effects of the utility model reside in that:
1) the maintenance equipment can realize full-coverage maintenance of the inner side surface of the inverted Y-shaped tower column of the cable-stayed bridge, and when encountering obstacles such as stay cables, the stay cables can be avoided by moving in three directions of the suspension operation platform.
2) The annular hoop device in the tower is clamped in the middle of the tower column by using gravity, an anchoring part is not required to be arranged on the tower column, and the influence on the structure of the tower column is reduced.
3) When the suspension operation platform and the lifting rope are not used, the suspension operation platform and the lifting rope can be placed in a storehouse, so that the suspension operation platform and the lifting rope are prevented from being exposed in an outdoor environment, and the service life is greatly prolonged.
4) During the maintenance construction, because the construction influence scope is little, it is little to bridge floor driving influence.
Drawings
Fig. 1 is a transverse bridge side view of a maintenance device on the inner side surface of an inverted Y-shaped pylon of a three-way movable cable-stayed bridge.
FIG. 2 is a sectional view taken along line A-A in FIG. 1.
Fig. 3 is a large-scale drawing of the maintenance equipment on the inner side surface of the inverted Y-shaped pylon of the three-way movable cable-stayed bridge.
Fig. 4 is a sectional view taken along line B-B in fig. 3.
Fig. 5 is a large sample a in fig. 3.
Fig. 6 is a large panel B of fig. 3.
The figure includes: 1-hoisting point device in tower, 1.1-annular skeleton, 1.2-track, 1.3-electric walking wheel, 1.4-upper connecting rod, 2-suspension operation platform, 2.1-middle hanging basket, 2.1.1-upper railing, 2.1.2-lower railing, 2.2-sliding hanging basket, 2.2.1-upper hook, 2.2.2-lower hook, 2.2.3-sliding roller, 2.3-lower connecting rod, 2.4-hoisting point, 3-hoisting rope, 4-stay cable and 5-inner side of tower column.
Detailed Description
The present invention will be further described with reference to the accompanying drawings 1 to 6 and examples.
Referring to fig. 1, a maintenance equipment of portable cable-stay bridge of three-dimensional shape pylon medial surface that falls, it includes: a hoisting point device 1 in the tower, a suspension operating platform 2 and a lifting rope 3. The hoisting point device 1 in the tower is clamped in the middle of the inverted Y-shaped tower column by using gravity.
Referring to fig. 3 and 4, the hoisting point device 1 in the tower comprises an annular framework 1.1, a track 1.2 and electric traveling wheels 1.3, wherein the annular framework 1.1 is clamped in the middle of the inverted Y-shaped tower column, the track 1.2 is transversely arranged below the annular framework 1.1, and the electric traveling wheels 1.3 are clamped on the track 1.2 and can travel along the track 1.2.
Referring to fig. 3-6, the hanging operation platform 2 comprises a middle hanging basket 2.1 and two sliding hanging baskets 2.2, the two sliding hanging baskets 2.2 are symmetrically hung on an upper railing 2.1.1 and a lower railing 2.1.2 at two sides of the middle hanging basket 2.1, and the sliding operation platform slides along the middle hanging basket 2.1 along the bridge direction by using sliding rollers 2.2.1.
Specifically, the both sides outside of middle hanging flower basket 2.1 sets up upper portion railing 2.1.1 and lower part railing 2.1.2 respectively, the slip is hung basket 2.2 and middle one side upper portion of hanging basket 2.1 correspondence and is equipped with the opening decurrent upper portion couple 2.2.1 that sets up with upper portion railing 2.1.1 cooperation, the lower part is equipped with the opening decurrent lower part couple 2.2.2 that sets up with lower part railing 2.1.2 cooperation, upper portion couple 2.2.1 inboard both sides and top all are equipped with slide roller 2.2.3, the inboard both sides of lower part couple 2.2.2 and bottom all are equipped with slide roller 2.2.3, the upper portion couple 2.2.1 of slip is hung basket 2.2 and is hung on middle upper portion railing 2.1.1 of hanging basket 2.1, the lower part couple 2.2.2.2.2 of slip is hung on middle lower part railing 2.1 of hanging basket 2.2, operating personnel stands in the middle 2.1, the slip is hung basket 2.2.2.2.
Referring to fig. 1, a lifting rope 3 connects a suspension operating platform 2 with a hoisting point device 1 in a tower, and drives the suspension operating platform 2 to vertically lift.
Referring to fig. 3 and 4, the maintenance equipment has four electric travelling wheels 1.3, two on each side of the track. The two electric traveling wheels on the same side are connected through the upper connecting rod 1.4, so that the traveling synchronism of the two electric traveling wheels 1.3 on the same side is ensured.
Referring to fig. 3 and 4, the suspension operation platform 2 is provided with four suspension points 2.4, and the suspension rope 3 comprises a working rope and a safety rope; each lifting point 2.4 of the suspension operating platform 2 is connected with an electric walking wheel 1.3 in the lifting point device 1 in the tower through 1 working rope and 1 safety rope respectively, when the tower works normally, the working rope bears stress, the safety rope is wound and unwound in a follow-up mode, when the working lifting rope is broken dangerously, the safety rope begins to bear stress, the safety lock is automatically started to brake, and the suspension operating platform is prevented from continuously descending.
Referring to fig. 3, the two sliding baskets 2.2 are connected at the bottom by a lower connecting rod 2.3 to ensure that the sliding baskets 2.2 at the two sides slide synchronously and work symmetrically.
Referring to fig. 1 and 2, when the maintenance equipment is used, a hoisting machine in a suspension operation platform 2 is used for vertically hoisting the suspension operation platform 2 to a certain height, then electric travelling wheels 1.3 in a hoisting point device 1 in a tower are used for driving the suspension operation platform 2 to move to a certain position in a transverse bridge direction, and finally a sliding hanging basket 2.2 is used for sliding along the bridge direction to maintain the inner side surface 5 of a tower column and avoiding the interference of a stay cable 4.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (6)
1. The utility model provides a maintenance equipment of portable cable-stay bridge of three-dimensional shape pylon medial surface that falls, its characterized in that, maintenance equipment include:
the hoisting point device in the tower is clamped in the middle of the inverted Y-shaped tower column by utilizing gravity and comprises an annular framework, a track and electric travelling wheels, wherein a track transverse bridge is arranged below the annular framework, and the electric travelling wheels are clamped on the track and can travel along the track transverse bridge;
the suspension operation platform comprises 1 middle hanging basket and 2 sliding hanging baskets, and the 2 sliding hanging baskets are symmetrically hung on two sides of the middle hanging basket and can slide along the middle hanging basket in the bridge direction;
and the lifting rope is used for connecting the suspension operation platform with the lifting point device in the tower and driving the suspension operation platform to vertically lift.
2. The maintenance equipment for the inner side surface of the inverted-Y-shaped tower column of the cable-stayed bridge capable of moving in three directions as claimed in claim 1, wherein the outer sides of the two sides of the middle hanging basket are respectively provided with an upper railing and a lower railing, the upper part of one side of the sliding hanging basket corresponding to the middle hanging basket is provided with an upper hook with a downward opening matched with the upper railing, the lower part of the sliding hanging basket is provided with a lower hook with an upward opening matched with the lower railing, the two sides and the top of the inner side of the upper hook are respectively provided with a sliding roller, the two sides and the bottom of the inner side of the lower hook are respectively provided with a sliding roller, the upper hook of the sliding hanging basket is hung on the upper railing of the middle hanging basket, the lower hook of the sliding hanging basket is hung on the lower railing of.
3. The maintenance equipment for the inner side surface of the inverted-Y-shaped pylon of the cable-stayed bridge capable of moving three-way according to claim 1, wherein the hoisting point device in the pylon comprises 4 electric traveling wheels, 2 electric traveling wheels are arranged on each side rail, and the two electric traveling wheels on the same side are connected through an upper connecting rod so as to ensure the traveling synchronism of the two electric traveling wheels on the same side.
4. The maintenance equipment for the inner side surface of the inverted-Y-shaped pylon of the cable-stayed bridge capable of moving in three directions as claimed in claim 1, wherein the suspension operation platform is provided with 4 suspension points, and the suspension ropes comprise working ropes and safety ropes; each lifting point of the suspension operation platform is respectively connected with 1 electric walking wheel in the lifting point device in the tower through 1 working rope and 1 safety rope.
5. The apparatus for overhauling the inner side surface of the inverted Y-shaped tower column of the three-way movable cable-stayed bridge according to claim 1, wherein the 2 sliding baskets are connected at the bottom through a lower connecting rod so as to ensure that the sliding baskets at the two sides slide synchronously and symmetrically.
6. The overhauling equipment for the inner side surface of the inverted Y-shaped tower column of the three-way movable cable-stayed bridge as claimed in claim 1, wherein a lifter for driving the operation platform to ascend and descend, an operation control system, a rope collecting device and a safety lock are installed in the suspension operation platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921424205.7U CN211006334U (en) | 2019-08-28 | 2019-08-28 | Maintenance equipment for inner side surface of inverted Y-shaped tower column of three-way movable cable-stayed bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921424205.7U CN211006334U (en) | 2019-08-28 | 2019-08-28 | Maintenance equipment for inner side surface of inverted Y-shaped tower column of three-way movable cable-stayed bridge |
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| Publication Number | Publication Date |
|---|---|
| CN211006334U true CN211006334U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921424205.7U Active CN211006334U (en) | 2019-08-28 | 2019-08-28 | Maintenance equipment for inner side surface of inverted Y-shaped tower column of three-way movable cable-stayed bridge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431132A (en) * | 2020-12-18 | 2021-03-02 | 中铁二十三局集团第一工程有限公司 | Sliding hanging basket for repairing and cleaning stay cable sleeve of cable-stayed bridge |
-
2019
- 2019-08-28 CN CN201921424205.7U patent/CN211006334U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431132A (en) * | 2020-12-18 | 2021-03-02 | 中铁二十三局集团第一工程有限公司 | Sliding hanging basket for repairing and cleaning stay cable sleeve of cable-stayed bridge |
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