CN211006334U - Maintenance equipment for inner side surface of inverted Y-shaped tower column of three-way movable cable-stayed bridge - Google Patents

Abstract

A three-way movable cable-stayed bridge maintenance equipment for the inner side of the inverted Y-shaped tower column, the hanging point device in the tower is stuck in the middle of the inverted Y-shaped tower column by gravity, and the hanging point device in the tower includes a ring frame, a track, an electric The walking wheel, the horizontal bridge of the track is arranged under the ring frame, the electric walking wheel is stuck on the track, and can walk along the horizontal bridge of the track; the suspension operation platform, two sliding hanging baskets are symmetrically hung on both sides of the middle hanging basket, which can It slides along the bridge along the middle hanging basket; the hanging rope connects the suspension operation platform with the hanging point device in the tower, and drives the suspension operation platform to lift vertically. The maintenance equipment of the utility model uses gravity to be stuck in the middle of the tower column because the hanging point device in the tower does not need to set anchors on the tower column, which reduces the influence on the structure of the tower column; the suspension operation platform can move in three directions and can avoid The interference of the stay cable can realize the full-coverage maintenance of the inner side of the inverted Y-shaped tower; during the maintenance construction, due to the small impact range of the construction, the impact on the traffic on the bridge deck is small.

Description

A maintenance equipment for the inner side of the inverted Y-shaped tower column of a three-way movable cable-stayed bridge

technical field

The utility model relates to the technical field of bridge maintenance, in particular to a maintenance device for the inner side of an inverted Y-shaped tower column of a three-way movable cable-stayed bridge.

Background technique

Cable-stayed bridges have been widely used in the field of bridge engineering due to their graceful appearance, reasonable stress and large spanning capacity. Cable-stayed bridge pylons, as the main bearing components, bear various loads transmitted through the stay cables. During the operation of the bridge, the pylons need to be inspected and maintained due to structural safety requirements, or the pylons need to be painted due to landscape requirements. outfit, decoration. For the lower part of the inverted Y-shaped tower, there are problems such as inward inclination of the inner side and 0# cable interference on the inner side. How to repair the inner side of the lower part of the inverted Y-shaped tower is a difficult problem. Therefore, it is necessary to develop a maintenance equipment, which can meet the requirements of light weight, convenient operation, and can realize the maintenance of the inner side of the lower part of the inverted Y-shaped tower column without being affected by obstacles such as stay cables.

Utility model content

The purpose of the utility model is to provide a three-way movable cable-stayed bridge maintenance equipment for the inner side of the inverted Y-shaped tower column, which can realize the maintenance of the inner side of the fork column of the lower part of the inverted Y-shaped tower column without being affected by the stay cable and other obstacles.

In order to achieve the above object, the technical scheme of the present utility model is as follows: a kind of maintenance equipment for the inner side of the inverted Y-shaped tower column of a three-way movable cable-stayed bridge is characterized in that, the maintenance equipment includes:

The hanging point device in the tower, the hanging point device in the tower is stuck in the middle of the inverted Y-shaped tower column by gravity, and the hanging point device in the tower includes a ring frame, a track, and an electric traveling wheel, and the horizontal bridge of the track is arranged in a ring shape. Below the skeleton, the electric walking wheel is stuck on the track and can walk along the horizontal bridge of the track;

A suspension operation platform, the suspension operation platform includes a middle hanging basket and two sliding hanging baskets, and the two sliding hanging baskets are symmetrically hung on both sides of the middle hanging basket, and can slide along the bridge along the middle hanging basket;

The suspension rope connects the suspension operation platform with the hanging point device in the tower, and drives the suspension operation platform to lift vertically.

Further, upper railings and lower railings are respectively provided on the outer sides of the two sides of the middle hanging basket, the upper part of the side of the sliding hanging basket corresponding to the middle hanging basket is provided with an upper hook with an opening downwardly arranged in cooperation with the upper railing, and the lower part is provided with an upper hook with a downward opening. A lower hook with an upward opening arranged in cooperation with the lower rail, sliding rollers are provided on both sides and the top of the inner side of the upper hook, and sliding rollers are provided on both sides and bottom of the inner side of the lower hook, and the upper hook of the sliding hanging basket is hung on the middle hanging basket. On the upper railing, the lower hook of the sliding hanging basket is hung on the lower railing of the middle hanging basket, and the sliding roller is used to slide along the bridge along the middle hanging basket.

Further, the hanging point device in the tower includes a total of 4 electric running wheels, 2 on each side rail, and the two electric running wheels on the same side are connected by the upper link to ensure that the two electric running wheels on the same side travel. synchronicity.

Further, the suspension operation platform is provided with 4 lifting points, and the suspension rope includes a work rope and a safety rope; each suspension point of the suspension operation platform passes through a work rope and a safety rope respectively. The safety rope is connected to an electric walking wheel in the hanging point device in the tower. During normal operation, the working rope bears the force, and the safety rope moves along with it. When the working suspender is dangerously broken, the safety rope begins to bear the force, and automatically Activate the safety lock to brake to prevent the suspended operating platform from continuing to descend.

Further, the two sliding hanging baskets are connected at the bottom through a lower link to ensure that the sliding hanging baskets on both sides slide synchronously and work symmetrically.

Further, a hoist, an operation control system, a rope retractor and a safety lock are installed in the suspension operation platform to drive the operation platform to move up and down.

Further, when the maintenance equipment is used, the hoist in the suspension operation platform is used to vertically lift the suspension operation platform to a certain height, and then the electric traveling wheel in the hanging point device in the tower is used to drive the suspension operation platform. The transverse bridge is moved to a certain position, and finally the inner side of the tower is repaired by sliding the hanging basket along the bridge, while avoiding the interference of the stay cables.

The beneficial effects of the present utility model are:

1) This maintenance equipment can realize the full coverage maintenance of the inner side of the inverted Y-shaped tower column of the cable-stayed bridge. When encountering obstacles such as stay cables, the suspension operation platform can be moved in three directions to avoid the stay cables.

2) The ring hoop device in the tower is stuck in the middle of the tower column by gravity, and there is no need to set anchors in the tower column, which reduces the impact on the tower column structure.

3) When the suspension operating platform and the sling are not in use, they can be placed in the warehouse to avoid exposure to the outdoor environment, and the service life is greatly increased.

4) During the maintenance and construction, due to the small impact scope of the construction, the impact on the traffic on the bridge deck is small.

Description of drawings

Figure 1 is a side view of the transverse bridge of the maintenance equipment on the inner side of the inverted Y-shaped tower column of a three-way movable cable-stayed bridge.

FIG. 2 is a cross-sectional view A-A in FIG. 1 .

Figure 3 is a large sample view of the maintenance equipment on the inner side of the inverted Y tower column of the three-way movable cable-stayed bridge.

FIG. 4 is a B-B sectional view in FIG. 3 .

Figure 5 is the large sample A in Figure 3 .

FIG. 6 is the large sample B in FIG. 3 .

Included in the picture: 1- The hanging point device in the tower, 1.1- The ring frame, 1.2- The track, 1.3- The electric traveling wheel, 1.4- The upper link, 2- The suspension operation platform, 2.1- The middle gondola, 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 link, 2.4-hanging point, 3- Suspension rope, 4-stayed cable, 5-inner side of tower column.

Detailed ways

Below in conjunction with accompanying drawing 1～6 and embodiment, the utility model is further described.

Referring to FIG. 1 , a three-way movable cable-stayed bridge maintenance equipment for the inner side of the inverted Y-shaped tower column includes: a hanging point device 1 in the tower, a suspension operation platform 2 and a hanging rope 3 . The hanging point device 1 in the tower is stuck in the middle of the inverted Y-shaped tower column by gravity.

3 and 4, the hanging point device 1 in the tower includes an annular frame 1.1, a track 1.2, and an electric traveling wheel 1.3. The annular frame 1.1 is clamped in the middle of the inverted Y-shaped tower column, and the rail 1.2 is arranged in the horizontal direction of the annular frame 1.1. Below, the electric traveling wheel 1.3 is stuck on the track 1.2, and can walk along the horizontal bridge direction of the track 1.2.

3 to 6 , the suspension operation level 2 includes a middle hanging basket 2.1 and two sliding hanging baskets 2.2. The two sliding hanging baskets 2.2 are symmetrically hung on the upper railings 2.1.1 and the lower railings on both sides of the middle hanging basket 2.1 2.1.2, use the sliding roller 2.2.1 to slide along the bridge along the middle gondola 2.1.

Specifically, an upper rail 2.1.1 and a lower rail 2.1.2 are respectively provided on the outer sides of the two sides of the middle hanging basket 2.1, and the upper side of the sliding hanging basket 2.2 corresponding to the middle hanging basket 2.1 is provided with a matching upper rail 2.1.1 The upper hook 2.2.1 with the opening downward is provided, the lower part is provided with the lower hook 2.2.2 with the opening upward which cooperates with the lower railing 2.1.2, and the upper hook 2.2.1 is provided with sliding rollers 2.2 on both sides and at the top. 3. There are sliding rollers 2.2.3 on both sides and bottom of the lower hook 2.2.2. The upper hook 2.2.1 of the sliding hanging basket 2.2 is hung on the upper rail 2.1.1 of the middle hanging basket 2.1. The lower hook 2.2.2 is hung on the lower rail 2.1.2 of the middle hanging basket 2.1. The operator stands on the middle hanging basket 2.1 and manually pushes the sliding hanging basket 2.2. The sliding hanging basket 2.2 uses the sliding roller 2.2.3 along the middle hanging basket 2.1 Slide along the bridge.

Referring to FIG. 1 , the suspension rope 3 connects the suspension operation platform 2 with the hanging point device 1 in the tower, and drives the suspension operation platform 2 to vertically lift.

Referring to Figures 3 and 4, the maintenance equipment has four electric running wheels 1.3, two on each side rail. The two electric running wheels on the same side are connected through the upper link 1.4 to ensure the synchronization of the two electric running wheels 1.3 on the same side.

Referring to 3 and 4, the suspension operation platform 2 is provided with four lifting points 2.4, the suspension rope 3 includes a working rope and a safety rope; each suspension point 2.4 of the suspension operation platform 2 passes through a working rope and a safety rope respectively. The rope is connected to an electric walking wheel 1.3 in the hanging point device 1 in the tower. During normal operation, the working rope bears the force, and the safety rope moves along with it. When the working suspender is dangerously broken, the safety rope begins to bear the force, and automatically Activate the safety lock to brake to prevent the suspended operating platform from continuing to descend.

Referring to Figure 3, the two sliding hanging baskets 2.2 are connected at the bottom through a lower link 2.3 to ensure that the sliding hanging baskets 2.2 on both sides slide synchronously and work symmetrically.

Referring to Figures 1 and 2, when the maintenance equipment is in use, first use the hoist in the suspension operation platform 2 to vertically lift the suspension operation platform 2 to a certain height, and then use the electric traveling wheel in the hanging point device 1 in the tower. 1.3 Drive the suspension operation platform 2 to move the horizontal bridge to a certain position, and finally use the sliding hanging basket 2.2 to slide along the bridge to repair the inner side 5 of the tower column, while avoiding the interference of the stay cables 4.

The above-mentioned embodiments merely illustrate the principles and effects of the present invention, but are not intended to limit the present invention. Anyone skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical idea disclosed by the present invention should still be covered by the claims of the present invention.

Claims (6)

1. a three-way mobile cable-stayed bridge can be inverted Y-shaped pylon inner side maintenance equipment, it is characterized in that, described maintenance equipment comprises: The hanging point device in the tower, the hanging point device in the tower is stuck in the middle of the inverted Y-shaped tower column by gravity, and the hanging point device in the tower includes a ring frame, a track, and an electric traveling wheel, and the horizontal bridge of the track is arranged in a ring shape. Below the skeleton, the electric walking wheel is stuck on the track and can walk along the horizontal bridge of the track; A suspension operation platform, the suspension operation platform includes a middle hanging basket and two sliding hanging baskets, and the two sliding hanging baskets are symmetrically hung on both sides of the middle hanging basket, and can slide along the bridge along the middle hanging basket; The suspension rope connects the suspension operation platform with the hanging point device in the tower, and drives the suspension operation platform to lift vertically. 2. A kind of maintenance equipment for the inner side of the inverted Y-shaped tower column of a three-way movable cable-stayed bridge as claimed in claim 1, characterized in that, an upper railing and a lower railing are respectively provided on the outer sides of both sides of the middle gondola The upper part of the side corresponding to the sliding hanging basket and the middle hanging basket is provided with an upper hook with an opening downward, which is arranged in cooperation with the upper rail, and a lower hook with an upward opening arranged in cooperation with the lower rail is arranged in the lower part. There are sliding rollers on both sides and the bottom of the lower hook. The upper hook of the sliding hanging basket is hung on the upper rail of the middle hanging basket, and the lower hook of the sliding hanging basket is hung on the lower rail of the middle hanging basket. , and use the sliding roller to slide along the middle gondola along the bridge. 3. the maintenance equipment of a kind of three-way movable cable-stayed bridge inverted Y-shaped tower column inner side as claimed in claim 1, is characterized in that, the hanging point device in the described tower comprises 4 electric traveling wheels in total, each There are 2 on the side track, and the two electric traveling wheels on the same side are connected by the upper link to ensure the synchronization of the two electric traveling wheels on the same side. 4. The maintenance equipment for the inner side of the inverted Y-shaped tower column of a three-way movable cable-stayed bridge as claimed in claim 1, wherein the suspension operation platform is provided with 4 lifting points, and the suspension operation platform is provided with 4 lifting points. The rope includes a working rope and a safety rope; each hanging point of the suspension operation platform is connected to an electric traveling wheel in the hanging point device in the tower through a working rope and a safety rope respectively. 5. the maintenance equipment of a kind of three-way movable cable-stayed bridge inverted Y-shaped tower column inner side as claimed in claim 1, is characterized in that, described 2 sliding hanging baskets are connected by lower link at the bottom, In order to ensure the synchronous sliding and symmetrical work of the sliding hanging baskets on both sides. 6. A kind of maintenance equipment for the inner side of the inverted Y-shaped tower column of a three-way movable cable-stayed bridge as claimed in claim 1, wherein the suspension operation platform is provided with a lift that drives the operation platform to move up and down. machine, operating control system, rope retractor and with safety lock.

Images