CN216920011U

CN216920011U - Bridge tower inspection equipment

Info

Publication number: CN216920011U
Application number: CN202220272568.9U
Authority: CN
Inventors: 戴波; 周红安; 朱斌; 王洋; 罗佳; 叶常旺; 杨雄; 戴腾飞
Original assignee: Wuhan Sinochem Mechanical Engineering Co ltd
Current assignee: Wuhan Sinochem Mechanical Engineering Co ltd; CCCC SHEC Fourth Engineering Co Ltd
Priority date: 2022-02-10
Filing date: 2022-02-10
Publication date: 2022-07-08
Anticipated expiration: 2032-02-10

Abstract

The utility model relates to bridge tower inspection equipment, which comprises a main truss and a rope lifting assembly, wherein the main truss is of a horizontally arranged U-shaped structure and surrounds the outer side surface and two side surfaces of a tower column of a bridge tower, two ends of the main truss are respectively provided with a fixed truss extending towards the inner side of the tower column, the main truss comprises two main truss assembling bodies, the two main truss assembling bodies are respectively bent trusses which are semi-correspondingly arranged on the outer side surface and the two side surfaces of the tower column one by one, the close ends of the two main truss assembling bodies are connected through a flexible connecting piece, the far ends of the two main truss assembling bodies respectively form two ends of the fixed truss, a telescopic truss is arranged in the fixed truss, and the rope lifting assembly is arranged on the main truss and is connected with a rope hanging piece at the top of the tower column through a rope. The advantages are that: the sectional type trusses are adopted for assembly, the telescopic trusses are configured so as to smoothly pass through cross beams between bridge towers, flexible connection is adopted between the trusses, and mutual acting force between the trusses in the operation process is buffered.

Description

Bridge tower inspection equipment

Technical Field

The utility model relates to the technical field of bridge tower maintenance, in particular to bridge tower inspection equipment.

Background

With the rapid development of bridge construction technology in China, large-scale suspension type and cable-stayed type bridges are more and more common, and bridge towers are important components of the bridges and are closely connected with the bridges safely. The traditional bridge tower inspection mostly adopts a telescope or an unmanned aerial vehicle to inspect a fault point, and then a small-sized hanging basket is used for placing maintenance personnel to the fault point from the top of the bridge tower for maintenance, and the bridge tower inspection and maintenance method has the following defects:

1) there are several faces to examine in the pylon outside, and telescope or unmanned aerial vehicle always have the inspection dead angle, and the picture definition that sees is not good enough, because visual angle scope is less finishes whole pylon inspection very taking time to influence inspection efficiency.

2) The pylons are usually high, for example, the distance between every two pylons of the Jinan phoenix bridge is 126 meters, and some pylons are even more than 300 meters high, so that the safety performance cannot be fully ensured by a small-sized hanging basket maintenance mode, and the working efficiency is not ideal.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide bridge tower inspection equipment, which effectively overcomes the defects of the prior art.

The technical scheme for solving the technical problems is as follows:

the utility model provides a bridge tower check-out set, including main truss and rope promotion assembly, the whole U type structure that sets up of above-mentioned main truss for the level, and encircle the lateral surface and the both sides side at the pylon of bridge tower, the both ends of above-mentioned main truss are equipped with the fixed truss that extends towards the inboard of pylon respectively, above-mentioned main truss includes two main truss assembly bodies, two above-mentioned main truss assembly bodies are respectively half-corresponding in the lateral surface of pylon and the bending type truss of both sides side, the one end that two above-mentioned main truss assembly bodies are close to each other is connected through flexible connectors, the both ends of above-mentioned fixed truss are constituteed respectively to the one end that the two kept away from each other, be equipped with the flexible truss that can follow its telescopic movement in the above-mentioned fixed truss, above-mentioned rope promotion assembly is installed on above-mentioned main truss, and be connected with the rope pendant at pylon top through the rope.

On the basis of the technical scheme, the utility model can be further improved as follows.

Further, the flexible connecting element is a bolerous shaft.

Further, the rope lifting assembly comprises a plurality of electric control rope lifters, the electric control rope lifters are respectively and evenly assembled on each main truss assembly body at intervals, a plurality of rope hanging pieces in one-to-one correspondence with the electric control rope lifters are arranged on the top of the tower column along the circumferential direction of the tower column, and the electric control rope lifters are respectively connected with the corresponding rope hanging pieces through ropes.

Furthermore, a controller is arranged on the main truss and electrically connected with the electric control rope lifter.

Furthermore, the main truss assembling bodies are respectively provided with an inclination switch connected with the controller.

Further, the rope hanging part is a telescopic arm, and a wheel body used for surrounding the rope is arranged at the telescopic end of the telescopic arm.

Further, a plurality of guide wheels are circumferentially and uniformly arranged on the inner side of the main truss along the outer edge of the tower column at intervals, the guide wheels are rotationally matched with a wheel carrier and are in rolling fit with the outer surface of the tower column, and the wheel carrier is assembled on the inner side of the main truss.

Further, the wheel carrier is assembled on the inner side of the main truss through a telescopic assembly and can horizontally extend and retract along the inner and outer directions.

The utility model has the beneficial effects that: structural design is reasonable, wholly adopts the sectional type truss to assemble to the flexible truss has been disposed so that pass through crossbeam between the bridge tower smoothly, makes the inspection operation do not have the dead angle, adopts flexonics between the truss, and the stability of lift in-process has been improved greatly to mutual effort between the buffering operation in-process truss.

Drawings

FIG. 1 is a top view of the structure of the bridge tower inspection apparatus of the present invention;

figure 2 is a side view of the structure of the bridge tower inspection apparatus of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a main truss; 4. fixing the truss; 5. a telescopic truss; 6. a rope hanger; 7. a guide wheel; 11. a main truss assembly; 12. a flexible connector; 21. an electrically controlled rope hoist.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.

Example (b): as shown in fig. 1 and 2, the bridge tower inspection equipment of the present embodiment includes a main truss 1 and a rope lifting assembly, the main truss 1 is a U-shaped structure horizontally disposed and surrounds the outer side surface and both side surfaces of the tower column of the bridge tower, the two ends of the main truss 1 are respectively provided with a fixed truss 4 extending toward the inner side of the tower column, the main truss 1 includes two main truss assemblies 11, the two main truss assemblies 11 are respectively one-to-one bent trusses semi-encircling the outer side surface and both side surfaces of the tower column, the ends of the two main truss assemblies 11 close to each other are connected by a flexible connecting member 12, the ends of the two main truss assemblies far away from each other respectively constitute the two ends of the fixed truss 4, the fixed truss 4 is provided with a telescopic truss 5 capable of telescopically moving along the fixed truss, the rope lifting assembly is mounted on the main truss 1, and is connected with a rope hanger 6 at the top of the tower column through a rope.

In the using process, the main truss 1 surrounds the outer side surface and two side surfaces of the bridge tower, an operator can walk on the main truss 1 to check the side surface of the bridge tower (A in the figure), meanwhile, the telescopic trusses 5 arranged on the fixed trusses 4 at two ends can be stretched to enable the operator to reach any position of the inner side surface of the bridge tower to detect, namely, no dead angle is detected in the circumferential direction, the lifting of the rope lifting assembly is matched to enable the main truss 1 to move along the height direction of the bridge tower to detect, meanwhile, in the moving process, because the main truss 1 is an assembling structure, the assembling positions are connected by the flexible connecting piece 12, therefore, in the buffer operation process of the main truss 1, the mutual acting force between the main truss assembling bodies 11 is buffered, the stability in the lifting process is greatly improved, and because of the arrangement of the telescopic trusses 5, in the moving process of the height direction of the bridge tower, can be extended and retracted to avoid the cross beams between the bridge towers.

In this embodiment, the flexible connecting element 12 is connected with the elastic shaft through a plurality of spaced elastic shafts at the assembling position of the main truss assembling body 11, so that the stress is more uniform, and the structure is more stable.

It should be noted that: the main truss 1 may also be formed by splicing more than two main truss assembled bodies 11, each main truss assembled body 11 is connected by a flexible connecting piece 12, and the plurality of main truss assembled bodies 11 are jointly assembled to form the U-shaped main truss 1, specifically, the design is reasonable according to the size of the actual bridge tower.

The following are specifically mentioned: the fixed truss 4 is generally designed to be a cuboid truss, the telescopic truss 5 is arranged in the fixed truss, a sliding rail or a sliding groove along the length direction of the fixed truss 4 is arranged on the fixed truss 4, the telescopic truss 5 is in sliding connection with the sliding rail or the sliding groove through a matched sliding block, telescopic movement of the telescopic truss 5 relative to the fixed truss 4 is achieved, and the whole moving operation can be achieved through manual operation.

Of course, the telescopic girder 5 can also be telescopic with the fixed girder 4 by an electrically operated moving mechanism (prior art), such as: a rack is arranged on the fixed truss 4, a motor is arranged on the telescopic truss 5 to drive the gear to rotate, and the gear is meshed with the rack to drive the telescopic truss 5 to move telescopically relative to the fixed truss 4.

In a preferred embodiment, the rope lifting assembly includes a plurality of electric control rope lifters 21, the plurality of electric control rope lifters 21 are respectively and evenly spaced and assembled on each of the main truss assemblies 11, a plurality of rope hangers 6 corresponding to the electric control rope lifters 21 one by one are disposed at the top of the tower column along the circumferential direction thereof, and the electric control rope lifters 21 are respectively connected to the corresponding rope hangers 6 through ropes.

In the above embodiment, the electric control rope lifter 21 is a rope lifter on the existing cradle, the specific structure of the electric control rope lifter is not described herein, and the rope is hung on the rope hanger 6 and can drive the main truss 1 to move up and down integrally under the driving of the electric control rope lifter 21.

In addition to the above embodiment, a controller is provided on the main truss 1, the controller is electrically connected to the electric control rope lifter 21, and the controller is connected to an electric control box.

In the above solution, the controller performs automated operation on the electric control rope lifter 21.

The following are specifically mentioned: generally dispose the electric cabinet on the main truss 1, from taking power (generator), can be an electric cabinet of generator configuration, nevertheless consider that the generator can be the large capacity, consequently, also can adopt two electric cabinets of two generators (a main electric cabinet, a follow electric cabinet) to distribute in the different positions of whole main truss 1, the two realizes the counter weight each other, avoids arousing the condition of unbalance loading focus skew because of generator weight is big. The electric cabinet side-mounting has the electric connection of heavy load connector (electric quick connector) electric cabinet and external equipment and all passes through the heavy load connector, be convenient for quick plug, when main truss 1 is whole goes up and down, from the electric cabinet through the electricity connection with signal transmission for main electric cabinet, main electric cabinet is unified to issue the order through the electricity and is given the synchronism and the uniformity that guarantee principal and subordinate action instruction from the electric cabinet, can control all automatically controlled rope lifting mechanism 21 synchronous operation on the main electric cabinet, make 1 integral lift of main truss, also can control one or more automatically controlled rope lifting mechanism 21 operation on certain main truss assembly body 11 alone, thereby reach the purpose of leveling main truss 1. And, when the main truss 1 is divided into two independent main truss assembling bodies 11, the main and auxiliary control boxes can independently control the corresponding (electrically connected with) main truss assembling body 11 or the electric control rope lifter 21 to lift, in addition, a heavy-duty connector is arranged on each main truss assembling body 11, and the electric control rope lifter 21 on the main truss assembling body 11 is electrically connected with the heavy-duty connector, so that the plugging and unplugging are convenient. And the heavy-load connector on the main truss assembly body 11 is electrically connected with the heavy-load connector on the electric cabinet. In addition, the electric control rope lifter 21 is driven by a frequency converter, and stepless speed regulation can be realized; meanwhile, the soft start function of the frequency converter is utilized, the requirement of the starting current of the motor on the capacity of the generator can be reduced, and therefore the weight of the generator is reduced.

In a preferred embodiment, tilt switches connected to the controller are respectively mounted on the main truss assemblies 11.

In the above embodiment, the inclination switch monitors the inclination change of the main truss assembly 11 in real time, and feeds back information to the controller, so as to automatically realize leveling operation when inclination (skew) occurs.

Of course, can also insert audible-visual alarm device (prior art) among the entire control system, report to the police when inclination switch detects main truss assembly body 11 and takes place to slope to the operating personnel adjustment on the warning equipment notes: the inclination switch signal is electrically connected with the corresponding electric control box through the heavy-load connector.

In this embodiment, the rope hanger 6 may be a telescopic arm that is conventionally used on a bridge tower, and a wheel body for surrounding the rope is disposed at a telescopic end of the rope hanger, and the rope is hung around the wheel body.

In a preferred embodiment, a plurality of guide wheels 7 are provided on the inner side of the main girder 1 in a ring uniformly spaced along the outer circumference of the tower, the guide wheels 7 are rotatably engaged with a wheel frame fitted to the inner side of the main girder 1 and roll-bonded to the outer surface of the tower.

In the above embodiment, the design of the guide wheels 7 enables the main truss 1 to roll up and down along the surface of the bridge tower, and the operation is stable.

Preferably, the wheel frame is assembled to the inner side of the main girder 1 through a telescopic assembly and can be horizontally extended and retracted in the inner and outer directions.

In the above-mentioned embodiment, the design of flexible subassembly for leading wheel 7 has certain flexible allowance in horizontal, and in the main truss 1 lift in-process, the design of flexible subassembly can make leading wheel 7 roll along the bridge tower lateral surface all the time, and that is to say along with the shape change on bridge tower surface and float, keeps the laminating of leading wheel 7 and bridge tower lateral surface to roll.

In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. An inspection apparatus for a bridge tower, comprising: the cable bridge truss structure comprises a main truss (1) and a cable lifting assembly, wherein the main truss (1) is of a U-shaped structure which is horizontally arranged and surrounds the outer side surface and the two side surfaces of a tower column of a bridge tower, two ends of the main truss (1) are respectively provided with a fixed truss (4) which extends towards the inner side of the tower column, the main truss (1) comprises two main truss assembling bodies (11), the two main truss assembling bodies (11) are respectively semi-corresponding bent trusses which are semi-wound on the outer side surface and the two side surfaces of the tower column one by one, the ends, close to each other, of the two main truss assembling bodies (11) are connected through a flexible connecting piece (12), the ends, far away from each other, of the two main truss assembling bodies respectively form the two ends of the fixed truss (4), the fixed truss (4) is internally provided with a telescopic truss (5) which can move telescopically along the fixed truss, and the cable lifting assembly is installed on the main truss (1), and is connected with a rope hanger (6) at the top of the tower column through a rope.

2. The bridge tower inspection apparatus of claim 1, wherein: the flexible connecting piece (12) is an elastic shaft.

3. The bridge tower inspection apparatus of claim 1, wherein: the rope lifting assembly comprises a plurality of electric control rope lifters (21), the electric control rope lifters (21) are respectively and uniformly assembled on each main truss assembly body (11) at intervals, a plurality of rope hangers (6) which are in one-to-one correspondence with the electric control rope lifters (21) are arranged at the top of the tower column along the circumferential direction of the tower column, and the electric control rope lifters (21) are respectively connected with the corresponding rope hangers (6) through ropes.

4. A bridge tower inspection apparatus as claimed in claim 3, wherein: the main truss (1) is provided with a controller, and the controller is electrically connected with the electric control rope lifter (21).

5. The bridge tower inspection apparatus of claim 4, wherein: and the main truss assembly body (11) is respectively provided with an inclination switch connected with the controller.

6. A bridge tower inspection apparatus as claimed in claim 3, wherein: the rope hanging piece (6) is a telescopic arm, and a wheel body used for surrounding the rope is arranged at the telescopic end of the telescopic arm.

7. An inspection apparatus for pylons according to any one of claims 1 to 6, wherein: the inner side of the main truss (1) is provided with a plurality of guide wheels (7) along the circumference of the outer edge of the tower column at uniform intervals, the guide wheels (7) are in running fit with the wheel carrier and are in rolling fit with the outer surface of the tower column, and the wheel carrier is assembled on the inner side of the main truss (1).

8. The bridge tower inspection apparatus of claim 7, wherein: the wheel carrier is assembled on the inner side of the main truss (1) through a telescopic assembly and can horizontally extend and retract along the inner and outer directions.