Full-coverage maintenance system of basket type steel structure arch bridge with large span and wide bridge floor

Abstract

The utility model belongs to the field of bridge maintenance equipment, and particularly relates to a full-coverage maintenance system of a basket type steel structure arch bridge with a large span and a wide bridge floor. A first maintenance car is mounted at the beam bottom, and a second maintenance car is mounted on the arch rib; a first manhole and a first ladder stand are arranged at the top of the main beam for personnel maintenance; and a second manhole is formed in the combined section of the main beam and the arch rib, a second crawling ladder is installed in the combined section, and the second manhole is used for achieving communication of overhaul channels in the arch rib and the main beam. The first maintenance car is of a truss structure, is installed along the bottom of the main beam in a surrounding mode and can move in the longitudinal bridge direction along the bottom of the main beam to achieve maintenance. The second maintenance car can climb and move along the longitudinal bridge direction of the top surface of the arch rib, and part of the structure has rotating and telescopic functions, so that maintenance of the arch rib is realized. The arch rib diaphragm plate is provided with a third manhole and a third ladder stand; fourth manholes are formed in the joints of the arch ribs and the wind braces; and the third manhole and the fourth manhole are used for communicating an arch rib with a maintenance channel in the wind brace. According to the utility model, the full-coverage maintenance of the basket type steel structure arch bridge with the large span and the wide bridge floor can be realized.

Description

TECHNICAL FIELD

[0001] The utility model belongs to bridge maintenance equipment field, concretely is a kind of full coverage maintenance system of large-span wide bridge face basket handle type steel structure arch bridge. BACKGROUND

[0002] Steel structure arch bridge needs frequent maintenance in long-term service process.The traditional arch bridge maintenance usually adopts bridge deck elevated car, maintenance basket and other equipment.The bridge deck elevated car can promote the maintenance personnel to certain height, and it is convenient to check and maintain the bridge structure close to bridge face;Maintenance basket can be suspended on bridge face, so that maintenance personnel can approach arch rib and other parts to work.

[0003] However, for large-span wide bridge face basket handle type steel structure arch bridge, its structural characteristics are quite different from conventional arch bridge.This kind of arch bridge has the characteristics of wide bridge face, large span, high arch rib, inclined arch rib surface, etc.Firstly, due to its wide bridge face and large span, the traditional maintenance equipment has limitations in coverage range, and it is difficult to realize full coverage maintenance of main beam, arch rib and arch rib wind brace.For example, the working range of bridge deck elevated car is limited, and it is difficult to reach the high position and inclined surface of arch rib;Maintenance basket may not be able to stably suspend and move under the condition of large span and wide bridge face, and it is not possible to check arch rib and wind brace comprehensively.Secondly, the use of traditional maintenance equipment will increase the safety risk of maintenance personnel.Under the complex structure of large-span wide bridge face basket handle type steel structure arch bridge, maintenance personnel may face unstable working environment when using traditional equipment, such as the shaking of elevated car at high altitude and large span, the imbalance of basket when working on inclined arch rib surface, etc., which poses a potential threat to the safety of maintenance personnel.In addition, the maintenance volume of this kind of arch bridge is also large, and the efficiency and effect of traditional equipment are difficult to meet the maintenance needs of the arch bridge, which may not only lead to incomplete and untimely maintenance, but also increase the maintenance cost and operation risk of bridge.Therefore, a full coverage maintenance system suitable for large-span wide bridge face arch bridge is urgently needed. UTILITY MODEL CONTENTS

[0004] In order to solve the above technical problems, the utility model provides a kind of full coverage maintenance system of large-span wide bridge face basket handle type steel structure arch bridge, containing beam bottom full-enclosed truss structure maintenance car, arch walkable, telescopic and rotatable truss maintenance car, main beam top plate access channel, main beam and arch rib maintenance through channel and the internal passage of arch rib wind brace.The above structure can realize full coverage maintenance and reduce the safety risk of maintenance personnel.

[0005] In order to achieve the above purpose, the utility model specifically adopts the following technical means:

[0006] A kind of full coverage inspection system of large-span wide bridge basket type steel structure arch bridge, steel structure arch bridge includes main beam, arch rib, wind brace, wherein wind brace is located between arch rib, first inspection car is installed at beam bottom, second inspection car is installed on arch rib;First manhole and first ladder are opened at the top of main beam for personnel inspection;Second manhole is opened at the joint section of main beam and arch rib, and second ladder is installed inside, and the second manhole is used to realize the through of internal inspection passage of arch rib and main beam.

[0007] Further, the first inspection car is a truss structure, which is installed around the bottom of the main beam, and the first inspection car can move along the longitudinal direction of the main beam to the bottom of the main beam to realize the inspection of the outer surface of the main beam.

[0008] Further, the second inspection car can climb along the longitudinal direction of the arch rib, and part of the truss can be vertically and horizontally telescopic and rotatable through mechanical devices, so that the second inspection car can realize the inspection of the outer surface of the arch rib and the wind brace.

[0009] Further, the main beam is hollow inside to meet the traffic demand.

[0010] Further, the arch rib and the wind brace are box-shaped structures, and the inner cavities can be used for traffic.

[0011] Further, the third manhole and the third ladder are provided on the transverse plate of the arch rib, and the fourth manhole is opened at the joint of the arch rib and the wind brace to realize the through of the internal inspection passage of the arch rib and the wind brace.

[0012] The utility model has the following beneficial technical effects:

[0013] The inspection car is installed around the bottom of the main beam in a truss structure. The above-mentioned installation around enables the inspection car to cover all aspects of the outer surface of the main beam. Moreover, it can move along the longitudinal direction of the main beam to the bottom of the main beam to realize comprehensive and flexible inspection of the bottom of the main beam.

[0014] The inspection truss car is provided on the arch, which can climb along the longitudinal direction, and has the functions of telescopic and rotatable in the transverse and vertical directions, so that it can cover all outer surfaces of the arch rib and the wind brace to realize the inspection of the outer surfaces of the arch rib and the wind brace.

[0015] The manhole and the ladder are opened at the top of the main beam to facilitate personnel to enter the inside of the main beam through the manhole and reach different inspection positions by means of the ladder to realize the inspection of the inside of the main beam. The manhole is opened at the joint section of the main beam and the arch rib, and the ladder is installed inside, which realizes the through of the internal inspection passage of the arch rib and the main beam. Personnel can conveniently move between the arch rib and the main beam through the manhole and the ladder to inspect the joint part and the inside of the arch rib and the main beam.

[0016] Manholes and ladders are provided in the transverse diaphragms of the arch ribs, and manholes are also provided at the junction of the arch ribs and wind braces. The installation of these manholes and ladders makes the internal maintenance passages of the arch ribs and wind braces unobstructed, allowing personnel to access various locations of the arch ribs and wind braces for maintenance through the cavities inside the arch ribs and with the help of ladders and manholes, achieving full coverage access to the interior of the arch ribs and wind braces. Attached Figure Description

[0017] Figure 1 A schematic diagram of a long-span, wide-deck basket-type steel arch bridge.

[0018] Figure 2 A structural side view of a long-span, wide-deck basket-type steel arch bridge.

[0019] Figure 3 A schematic diagram of the maintenance vehicle for the bottom truss of the main beam in one embodiment;

[0020] Figure 4 This is a schematic diagram of the maintenance track at the bottom of the main beam in one embodiment;

[0021] Figure 5 This is an example of an arch-mounted maintenance track in one embodiment;

[0022] Figure 6 This is a schematic diagram of the structure of the maintenance vehicle on the arch in one embodiment;

[0023] Figure 7 This is a schematic diagram of the arch-mounted maintenance vehicle in motion in one embodiment.

[0024] Figure 8 This is a schematic diagram of the maintenance vehicle traveling on the arch from another perspective in one embodiment.

[0025] Figure 9 This is a schematic diagram of the maintenance vehicle on the arch in maintenance status in one embodiment.

[0026] Figure 10 This is a schematic diagram of another maintenance state of the maintenance vehicle on the arch in one embodiment;

[0027] Figure 11 A schematic diagram of a manhole opening in the top plate of the main beam in one embodiment;

[0028] Figure 12 This is a schematic diagram of the manhole and ladder on the main beam in one embodiment;

[0029] Figure 13 This is a schematic diagram of the manhole and ladder at the junction of the main beam and the arch rib in one embodiment.

[0030] Figure 14 This is a schematic diagram of the manhole and ladder at the junction of the main beam and the arch rib in one embodiment, viewed from another perspective.

[0031] Figure 15 Figure 2 is a schematic view of a manhole and ladder for the arch rib in one embodiment;

[0032] Figure 16 Figure 3 is a schematic view of a manhole at the joint of the arch rib and wind brace in one embodiment;

[0033] Figure 17 Figure 4 is a schematic view of a manhole at the joint of the arch rib and wind brace in one embodiment from another perspective;

[0034] Figure 5 is a numbering of the components in the drawings;

[0035] 1, main beam; 100, first inspection vehicle;

[0036] 1001, track inspection seat; 1002, inspection vehicle track;

[0037] 101, first manhole; 102, first ladder; 103, second manhole; 104, second ladder; 2, arch rib; 200, second inspection vehicle;

[0038] 2001, arch track inspection seat; 2002, arch inspection vehicle track; 2003, arch inspection vehicle main truss; 2004, vertical telescopic truss; 2005, telescopic rotating device; 2006, horizontal telescopic truss; 2007, liftable basket;

[0039] 201, third manhole; 202, third ladder; 203, fourth manhole; 3, wind brace. DETAILED DESCRIPTION

[0040] The embodiments of the present application will be described in detail with specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the disclosure. The present application can also be implemented or applied in different specific embodiments, and various modifications or changes can be made to the details in the specification without departing from the spirit of the present application. It should be noted that the drawings provided in the following embodiments only illustrate the basic concept of the present application in a schematic manner, and the features in the following embodiments and examples can be combined with each other without conflict.

[0041] Wherein, the drawings are only used for illustrative explanation, and the representation is only a schematic view, not a physical drawing, and cannot be understood as a limitation of the present application; in order to better illustrate the embodiments of the present application, some components in the drawings are omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, the omission of some known structures and their descriptions in the drawings is understandable.

[0042] Please refer to Figure 1 and 2The structure diagram of the basket type steel structure arch bridge for the large-span wide bridge deck, which includes the main beam 1, the arch rib 2 and the wind brace 3.

[0043] Please refer to Figure 3 and 4 The first inspection vehicle 100 is installed on the beam bottom, which is a truss structure and is installed around the bottom of the main beam 1 and can move along the longitudinal direction of the bottom of the main beam 1, so as to realize the inspection of the bottom of the main beam 1. The inspection vehicle track 1002 is longitudinally arranged on the beam bottom to ensure the normal operation of the first inspection vehicle 100, and the inspection vehicle track 1002 is connected with the main beam 1 through the track connecting seat 1001.

[0044] Please refer to Figures 5 to 10 The second inspection vehicle 200 is installed on the arch rib, which includes the main truss 2003, the vertical telescopic truss 2004, the horizontal telescopic truss 2006 and the truss type hanging basket 2007. The arch top inspection vehicle track 2002 is longitudinally arranged on the upper surface of the arch rib top plate to ensure the operation of the second inspection vehicle 200. The vertical telescopic truss 2004 can be used to inspect the outer surface of the arch rib 2, the horizontal telescopic truss 2006 can be used to inspect the bottom surface of the arch rib 2 and the side surface and bottom surface of the wind brace 3, and the movable truss hanging basket 2007 can be used to inspect the inner surface of the arch rib 2 and the top surface of the wind brace 3. The horizontal telescopic truss 2006 can be rotated to the vertical state to avoid the net-shaped suspender during the walking process, so that all the outer surfaces of the arch rib 2 and the wind brace 3 can be reached and covered.

[0045] The arch top inspection vehicle has different working states, such as Figure 8 In the walking state, the vertical telescopic truss 2004 is in the retracted state, the horizontal telescopic truss 2006 is rotated to the vertical state, at this time the horizontal truss above the arch rib becomes the main truss, the telescopic rotating device 2005 has the telescopic rotating function, and the hanging basket 2007 is in the retracted state, which can facilitate the movement of the inspection vehicle; in the first inspection state, the vertical telescopic truss 2004 is lowered, the horizontal telescopic truss 2006 is rotated to the horizontal direction and is elongated, which provides preliminary support and operation space for the inspection operation; in the second inspection state, the vertical telescopic truss 2004 is also in the lowered state, the horizontal telescopic truss 2006 remains in the state of being rotated to the horizontal direction and being elongated, and at the same time the hanging basket 2007 is lowered, so that the inspection personnel can enter the hanging basket and, under the cooperation of the horizontal telescopic truss 2006 structure, can comprehensively and carefully inspect and operate the arch rib and other facilities. It should be noted that the telescopic truss and the telescopic rotating device are conventional mechanical devices in the building equipment.

[0046] Please refer to Figure 11 and 12. The first manhole 101 and the first ladder 102 are arranged at the reasonable stress position of the top plate of the girder end of the main girder for personnel maintenance. The main girder 1 is a hollow structure, and meets the traffic demand. The walking requirement of personnel or equipment is met through the cavity of the beam body. When the closed partition plate is encountered, the manhole and the ladder are arranged to meet the traffic requirement, so that the internal surface of the main girder can be reached.

[0047] Please refer to Figure 13 and Figure 14 . The second manhole 103 is arranged at the joint of the main girder 1 and the arch rib 2, and the second ladder 104 is arranged inside. The second manhole 103 is used to realize the through connection of the internal maintenance channels of the arch rib and the main girder. The internal maintenance channels of the arch rib and the main girder are through connected by arranging the manhole and the ladder on the top plate of the main girder at the joint of the arch rib and the main girder to achieve the through connection of the maintenance channels of the arch rib and the main girder.

[0048] Please refer to Figures 15 to 17 . The arch rib 2 and the wind brace 3 are box structures, and the cavities inside the box structures can be used for traffic. The third manhole 201 and the third ladder 202 are arranged on the transverse partition plate of the arch rib 2. The fourth manhole 203 is arranged at the joint of the arch rib 2 and the wind brace 3 for the through connection of the upper maintenance channel. The walking space is provided through the box cavity. When necessary, the manhole and the ladder structure are arranged to realize that the internal surfaces of the arch rib and the wind brace can be reached.

Claims

1. A full coverage inspection system for a large-span wide deck basket-type steel structure arch bridge, the steel structure arch bridge comprising a main beam (1), an arch rib (2), and a wind brace (3), wherein the wind brace (3) is located between the arch ribs (2), characterized in that, The first maintenance vehicle (100) is installed at the bottom of the beam for the maintenance of the outer surface of the main beam, and the second maintenance vehicle (200) is installed on the arch rib for the maintenance of the outer surface of the arch rib and the wind brace; the first manhole (101) and the first crawling ladder (102) are arranged at the top of the main beam for the maintenance personnel and equipment to enter and exit the main beam to perform the internal maintenance of the main beam; the second manhole (103) is arranged at the joint of the main beam (1) and the arch rib (2), and the second crawling ladder (104) is arranged inside the second manhole (103), and the second manhole (103) is used to realize the through connection of the internal maintenance channels of the arch rib and the main beam.

2. The full coverage inspection system for long span wide deck basket handle type steel structure arch bridge according to claim 1, characterized in that, The first maintenance vehicle (100) is of a truss structure, which is installed in a surrounding manner along the bottom of the main beam (1), and the first maintenance vehicle (100) can move along the longitudinal direction of the beam to the bottom of the main beam (1) to realize the maintenance.

3. The full coverage inspection system for long span wide deck basket handle type steel structure arch bridge according to claim 1, characterized in that, The second maintenance vehicle (200) can climb along the longitudinal direction of the arch rib, and the second maintenance vehicle (200) is a rotating and telescopic truss type maintenance truss vehicle.

4. The full coverage inspection system for long span wide deck basket handle type steel structure arch bridge of claim 1, wherein, The main beam (1) is of a hollow structure, which meets the passing requirement.

5. The full coverage maintenance system of the large-span wide bridge basket type steel structure arch bridge according to claim 1, the arch rib (2) and the wind brace (3) are of a box type structure, and the inner cavity can be used for passing.

6. The full coverage inspection system for large span wide deck basket handle type steel structure arch bridge of claim 1, wherein, The transverse plate of the arch rib (2) is provided with the third manhole (201) and the third crawling ladder (202), and the joint of the arch rib (2) and the wind brace (3) is provided with the fourth manhole (203) for the through connection of the internal maintenance channels of the arch rib and the wind brace.

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