CN218893979U

CN218893979U - Beret beam trestle overhauling operation platform

Info

Publication number: CN218893979U
Application number: CN202223227838.3U
Authority: CN
Inventors: 刘崇喜; 丁文军; 张煜敏
Original assignee: China Railway Major Bridge Engineering Group Co Ltd MBEC; 4th Engineering Co Ltd of MBEC
Current assignee: China Railway Major Bridge Engineering Group Co Ltd MBEC; 4th Engineering Co Ltd of MBEC
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-04-21
Anticipated expiration: 2032-12-02

Abstract

The utility model relates to a bailey beam landing stage overhauling operation platform, which belongs to the technical field of bridge construction, and comprises a safety protection channel, wherein the safety protection channel comprises a plurality of distribution beams uniformly distributed along the bridge direction and arranged on the side surface of the bailey beam landing stage in an outward-overhanging manner and channel components connected with the distribution beams; the up-down inspection ladder stand is connected to the side face of the bailey beam trestle, and the bailey beam trestle road section is connected with the safety protection channel through the up-down inspection ladder stand. Due to the fact that the upper and lower inspection crawling ladder and the safety protection channel are arranged, the upper and lower inspection crawling ladder is used as a channel for constructors to climb to the safety protection channel from the bridge deck of the bailey beam trestle, and the safety protection channel is used as a bailey beam trestle maintenance operation platform which is arranged in a through length mode. Therefore, constructors can flexibly and freely move along the direction of the whole trestle when overhauling the trestle member of the Bailey beam, so that the working efficiency is effectively improved, and the safety of the constructors is also ensured.

Description

Beret beam trestle overhauling operation platform

Technical Field

The application relates to the technical field of bridge construction, in particular to a bailey beam trestle overhaul operating platform.

Background

At present, in bridge construction, the bailey beam trestle is used as an important large temporary facility, and the requirements of normal vehicle traffic under different working conditions and the overall safety and applicability of bridge construction operation are met, so that the bridge construction device has the characteristics of simple structure, light weight, rapidness, economy, wide application, strong adaptability, good combined structural system, strong interchangeability, easiness in assembly and the like. The bridge superstructure of the beret beam is generally composed of main beams, small distribution beams, bridge decks and railings, and the substructure is generally composed of pier top distribution beams, pile foundations and bridge decks. The main beam is generally assembled by adopting '321' standard Bailey pieces according to 'assembled highway steel bridge service manual', and various necessary accessories are installed according to the specification.

In the related art, when the bailey beam trestle is used, maintenance and maintenance are needed to be paid attention to, special persons should be dispatched to check regularly, and when the components are damaged locally, the components are repaired in time so as to ensure safe traffic. The specific examination contents generally include: observing whether various pins, bolts, beam clamps and wind-resistant pull rods are completely assembled or not, and whether loosening phenomenon exists or not; checking whether the trestle foundation has uneven settlement or not; oiling the positions of the pin and the bolt to prevent rust; often measuring the mid-span deflection of the trestle, if the deflection increases too fast, immediately carrying out detailed inspection and taking effective measures to solve the problem; checking whether the bridge deck is broken, deformed or uneven, and if necessary, replacing the bridge deck.

However, constructors cannot freely move when overhauling the bailey beam trestle member, the efficiency is low, and particularly the safety of the constructors is low in the ocean with high wind and high wave and the large river environment. Therefore, there is a need to design a bailey beam trestle maintenance operation platform to solve the above problems.

Disclosure of Invention

The embodiment of the application provides a bailey beam landing stage overhauls operation platform to solve among the correlation technique constructor unable free movement when overhauling the operation to bailey beam landing stage component, inefficiency, and constructor security low problem.

The embodiment of the application provides a beret beam landing stage overhauls operation platform, include:

the safety protection channel comprises a plurality of distribution beams which are uniformly distributed along the bridge direction and are outwards arranged on the side surface of the bailey beam trestle, and channel components connected with the distribution beams;

the up-down inspection ladder stand is connected to the side face of the bailey beam trestle, and the bailey beam trestle road section is connected with the safety protection channel through the up-down inspection ladder stand.

In some embodiments, a plurality of the distribution beams are provided with a pavement beam for connecting the distribution beams into a whole, and the pavement beam is paved with a channel panel.

In some embodiments, one end of the plurality of distributed Liang Yuanli bailey beam trestle is provided with a guardrail for connecting the plurality of distributed beams into a whole, and the guardrail comprises vertical rods connected with the ends of the distributed beams and a cross rod connected between two adjacent vertical rods.

In some embodiments, the channel panel is a foot pedal.

In some embodiments, the upper and lower inspection ladders are fixed on the bailey beam trestle by two extension sections of the distribution beams.

In some embodiments, the up-down inspection ladder comprises a ladder cage positioned between two extension sections of the distribution beam and connected to the safety protection channel, and a lap beam for fixing the ladder cage on the extension sections of the distribution beam is arranged on the ladder cage.

In some embodiments, the up-down inspection ladder further comprises a platform at the bottom of the ladder cage, and the ladder cage and the safety protection channel are connected through the platform.

In some embodiments, the ladder cage comprises a plurality of vertical columns which are vertically distributed in a rectangular shape, a plurality of horizontal ribs which are horizontally and equidistantly distributed are connected between two adjacent vertical columns, and vertical ribs connected with the horizontal ribs are arranged between two adjacent vertical columns.

In some embodiments, the platform includes a transverse distribution beam attached to a side of the bridge of the bailey beam, a longitudinal distribution beam attached to the transverse distribution beam, and a steel panel laid over the longitudinal distribution beam.

In some embodiments, a cover plate for closing the ladder cage is rotatably connected to the girder.

The beneficial effects that technical scheme that this application provided brought include:

the embodiment of the application provides a bailey beam landing stage overhauls operation platform, owing to set up about inspection cat ladder and safety protection passageway two parts, wherein inspection cat ladder about as constructor climbs to safety protection passageway's passageway from bailey beam landing stage bridge floor, safety protection passageway is as the bailey beam landing stage overhauls operation platform that logical long was arranged. Therefore, constructors can flexibly and freely move along the direction of the whole trestle when overhauling the trestle member of the Bailey beam, so that the working efficiency is effectively improved, and the safety of the constructors is also ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is an elevation view of an up and down inspection ladder of an embodiment of the present application;

FIG. 3 isbase:Sub>A cross-sectional view of an up-down inspection ladder according to an embodiment of the application;

FIG. 4 is a B-B cross-sectional view of an up-down inspection ladder of an embodiment of the application;

fig. 5 is a schematic diagram of a cover plate structure of an up-down inspection ladder according to an embodiment of the present application;

fig. 6 is an elevation view of a safety shield access according to an embodiment of the present application.

In the drawings, the list of components represented by the various numbers is as follows:

a. a bailey beam lower chord; b. a top distribution beam; 1. checking the climbing ladder up and down; 11. distributing the girder extension section; 12. a ladder cage; 121. a column; 122. vertical ribs; 123. a cross rib; 124. building a beam; 13. a platform; 131. a transverse distribution beam; 132. a longitudinal distribution beam; 133. a steel panel; 14. a cover plate; 2. a safety protection channel; 21. a distribution beam; 22. a walkway beam; 23. a channel panel; 24. guard bars; 241. a vertical rod; 242. a cross bar.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present application based on the embodiments herein.

The embodiment of the application provides a bailey beam landing stage overhauls operation platform, and it can solve among the correlation technique constructor unable free movement when overhauling the operation to bailey beam landing stage component, inefficiency, and constructor security low problem.

Referring to fig. 1 to 6, an embodiment of the present application provides a beret beam trestle maintenance operation platform, including:

the safety protection channel 2 comprises a plurality of distribution beams 21 which are uniformly distributed along the bridge direction and are outwards arranged on the side surface of the bailey beam trestle, and a channel assembly connected with the distribution beams 21;

the up-down inspection ladder 1 is connected to the side face of the bailey beam trestle, and the bailey beam trestle road section is connected with the safety protection channel 2 through the up-down inspection ladder 1.

The safety protection channel 2 of the bailey beam trestle overhaul operation platform comprises a plurality of distribution beams 21 which are uniformly distributed along the bridge and are outwards arranged on the side face of the bailey beam trestle and channel components connected with the distribution beams 21, meanwhile, the side face of the bailey beam trestle is also provided with an upper and lower inspection ladder 1, and a bailey beam trestle road section is connected with the safety protection channel 2 through the upper and lower inspection ladder 1. When the device is particularly used, the bailey beam trestle maintenance operation platform comprises an upper inspection cat ladder 1, a lower inspection cat ladder and a safety protection channel 2, and the whole device is outwards arranged at the outer side of the bailey beam trestle; the up-down inspection ladder 1 is used as a channel for constructors to climb from the bridge deck of the bailey beam trestle to the overhauling operation platform of the bailey beam trestle, and one inspection ladder can be arranged every hundred meters of trestle distance; the safety protection channel 2 is used as a bailey beam trestle maintenance operation platform and is arranged in a full length mode.

It should be noted that, two rows of bailey beam bottom chords a at the outermost side of the bailey beam trestle are transversely and uniformly provided with overhanging distribution beams 21, the bailey beam bottom chords a are connected with the distribution beams 21 by bolts, channel components are paved on overhanging parts of the distribution beams 21, and then an up-down inspection crawling ladder 1 connected with the channel components is installed on the side surface of the bailey beam trestle.

In some alternative embodiments: referring to fig. 1 to 6, an embodiment of the present application provides a beret beam landing stage maintenance operation platform, where a plurality of distribution beams 21 of the beret beam landing stage maintenance operation platform are provided with a pavement beam 22 connecting the plurality of distribution beams 21 into a whole, and a channel panel 23 is laid on the pavement beam 22;

one end of the plurality of distribution beams 21, which is far away from the bailey beam trestle, is provided with a guardrail 24 for connecting the plurality of distribution beams 21 into a whole, and the guardrail 24 comprises vertical rods 241 connected with the ends of the distribution beams 21 and a cross rod 242 connected between two adjacent vertical rods 241.

Be provided with on a plurality of distribution beams 21 of beret roof beam landing stage maintenance operation platform of this embodiment and connect a plurality of distribution beams 21 into an holistic pavement beam 22, and then form a firm frame of connecting beret roof beam landing stage for support the passageway panel 23 of laying on the pavement beam 22, passageway panel 23 is the running-board, and the logical length is arranged on the frame that pavement beam 22 and distribution beam 21 formed, support relevant staff walking that can be fine and overhaul. Meanwhile, one end, far away from the bailey beam trestle, of the plurality of distribution beams 21 is provided with a guardrail 24 for connecting the plurality of distribution beams 21 into a whole, the guardrail 24 comprises vertical rods 241 connected with the ends of the distribution beams 21 and transverse rods 242 connected between two adjacent vertical rods 241, and the guardrail 24 can play a role in protecting related workers and prevent the related workers from falling from the side surfaces.

When the distribution beam 21 is particularly used, two pavement beams 22 are longitudinally welded at the overhanging part of the distribution beam 21, the pavement beams 22 are fully paved with pedals as a channel panel 23, and the end heads of the distribution beam 21 are welded with guardrails 24.

In some alternative embodiments: referring to fig. 1 to 6, an embodiment of the present application provides a beret beam landing stage maintenance operation platform, where an up-down inspection ladder 1 of the beret beam landing stage maintenance operation platform fixes the up-down inspection ladder 1 on the beret beam landing stage through two extension sections 11 of a distribution beam;

the up-down inspection ladder 1 comprises a ladder cage 12 which is positioned between two distribution beam extension sections 11 and is connected with the safety protection channel 2, and a lap beam 124 for fixing the ladder cage 12 on the distribution beam extension sections 11 is arranged on the ladder cage 12;

the up-down inspection cat ladder 1 further comprises a platform 13 positioned at the bottom of the ladder cage 12, and the ladder cage 12 is connected with the safety protection channel 2 through the platform 13;

the platform 13 includes a transverse distribution beam 131 attached to the side of the beret beam trestle, a longitudinal distribution beam 132 attached to the transverse distribution beam 131, and a steel panel 133 laid on the longitudinal distribution beam 132.

The up-down inspection cat ladder 1 of the beret beam trestle overhaul operation platform of the embodiment of the application comprises a ladder cage 12 and a girder-lapping 124 fixed on the ladder cage 12, wherein the girder-lapping 124 fixes the ladder cage 12 on the distribution beam extension section 11. The bottom of the ladder cage 12 is also welded with a platform 13 welded with the safety protection channel 2, and after the relevant staff descends to the platform 13 through the ladder cage 12, the platform 13 comprises a transverse distribution beam 131 connected to the side surface of the beret beam trestle, a longitudinal distribution beam 132 welded to the transverse distribution beam 131 and a steel panel 133 welded to the longitudinal distribution beam 132 after entering the safety protection channel 2 from the platform 13. The transverse distribution beams 131 and the longitudinal distribution beams 132 are connected as a unit for supporting the steel panels 133, and the steel panels 133 are used for supporting the relevant staff.

When the bridge girder construction method is specifically used, firstly, the installation position of the ladder cage 12 on the bridge girder trestle is determined, butt joint welding is adopted at the joint of the distribution girder extension section 11 and the top distribution girder b of the bridge girder trestle, splice plates are welded on two sides of a web, construction is simple and convenient, after the bridge girder b is distributed on the top of the bridge girder trestle at the installation position is extended, the ladder cage 12 with the lap girders 124 and the platforms 13 welded on two sides in advance is placed between the two distribution girder extension sections 11, the ladder cage 12 is positioned on the distribution girder extension sections 11 through the lap girders 124, the lap girders 124 and the distribution girder extension sections 11 are welded, and the girder extension sections 11 are distributed by the welding of the ladder cage 12, and construction is convenient and simple.

The ladder cage 12 and the platform 13 may be welded on shore in advance to form a whole and then hung to the installation position, so that the ladder cage 12 is clamped between the extension sections 11 of the distribution beams, the two ends of the lap beam 124 are lapped on the extension sections 11 of the distribution beams, the transverse distribution beam 131 at the free end of the platform 13 is lapped on the lower chord a of the bailey beam at the outermost side of the bailey beam trestle, then the extension sections 11 of the distribution beams and the ladder cage 12 are welded, and the transverse distribution beam 131 is connected on the lower chord a of the bailey beam by bolts.

In some alternative embodiments: referring to fig. 1 to 6, the embodiment of the application provides a beret beam trestle maintenance operation platform, and a ladder cage 12 of the beret beam trestle maintenance operation platform comprises a plurality of vertical columns 121 which are vertically distributed in a rectangular shape, a plurality of horizontal ribs 123 which are horizontally and equidistantly distributed are connected between two adjacent columns 121, and vertical ribs 122 connected with the horizontal ribs 123 are arranged between two adjacent columns 121.

The ladder cage 12 of the beret beam trestle overhaul operation platform comprises a plurality of vertical columns 121 which are vertically distributed in a rectangular mode, a plurality of horizontal ribs 123 which are horizontally and equidistantly distributed are welded between every two adjacent columns 121, and vertical ribs 122 connected with the horizontal ribs 123 are welded between every two adjacent columns 121. When the ladder cage 12 is particularly used, the ladder cage 12 is formed by welding the upright posts 121, the vertical ribs 122, the transverse ribs 123 and the lap beams 124, and after the ladder cage 12 is installed, relevant staff can climb up and down by means of the vertical ribs 122 and the transverse ribs 123 which are distributed in a staggered manner.

In some alternative embodiments: referring to fig. 1 to 6, an embodiment of the present application provides a beret beam landing stage maintenance operation platform, and a cover plate 14 for closing a ladder cage 12 is rotatably connected to a landing beam 124 of the beret beam landing stage maintenance operation platform.

The cover plate 14 for sealing the ladder cage 12 is rotationally connected to the girder lapping 124 of the beret girder trestle maintenance operation platform. In specific use, the end part of the cover plate 14 is in rotary connection with the nut welded on the upper surface of the inner lapping beam 124, and the cover plate 14 is simultaneously propped against the upper surface of the lapping beam 124 and kept horizontal. When the climbing ladder 1 passes through, the cover plate 14 is turned upwards, and constructors do not need to use the climbing ladder 1 to check up and down to serve as a channel, and the cover plate 14 is turned downwards, so that safety is improved.

It should be noted that, when the components of the ladder stand 1 and the safety protection channel 2 are checked up and down to collide with the trestle, the components can be properly polished, moved or replaced according to actual conditions; the lower part of the trestle bailey beam is fully paved by using an anti-falling net; the upper and lower inspection cat ladder 1 and the safety protection channel 2 are effectively connected into a whole; all components are welded unless specifically indicated.

In the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description of the present application and simplification of the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

It should be noted that in this application, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is merely a specific embodiment of the application to enable one skilled in the art to understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. Beret beam landing stage overhauls operation platform, its characterized in that includes:

the safety protection channel (2) comprises a plurality of distribution beams (21) which are uniformly distributed along the bridge direction and are outwards arranged on the side surface of the bailey beam trestle, and a channel assembly connected with the distribution beams (21);

the upper and lower inspection cat ladder (1) is connected to the side face of the bailey beam trestle, and the bailey beam trestle road section is connected with the safety protection channel (2) through the upper and lower inspection cat ladder (1).

2. The bailey beam trestle maintenance operation platform according to claim 1, wherein:

the distribution beams (21) are provided with a plurality of walking beams (22) which are used for connecting the distribution beams (21) into a whole, and the walking beams (22) are paved with channel panels (23).

3. The bailey beam trestle maintenance operation platform according to claim 2, wherein:

one end of a plurality of distribution beams (21) far away from the bailey beam trestle is provided with a guardrail (24) for connecting a plurality of distribution beams (21) into a whole, and the guardrail (24) comprises vertical rods (241) connected with the ends of the distribution beams (21) and transverse rods (242) connected between two adjacent vertical rods (241).

4. The bailey beam trestle maintenance operation platform according to claim 2, wherein:

the channel panel (23) is a foot pedal.

5. The bailey beam trestle maintenance operation platform according to claim 1, wherein:

the up-down inspection ladder (1) is fixed on the bailey beam trestle through two distribution beam lengthening sections (11).

6. The bailey beam trestle maintenance operation platform according to claim 5, wherein:

the up-down inspection cat ladder (1) comprises ladder cages (12) which are positioned between two distribution beam lengthening sections (11) and are connected with the safety protection channels (2), and the ladder cages (12) are provided with lap beams (124) for fixing the ladder cages (12) on the distribution beam lengthening sections (11).

7. The bailey beam trestle maintenance operation platform of claim 6, wherein:

the up-down inspection cat ladder (1) further comprises a platform (13) positioned at the bottom of the ladder cage (12), and the ladder cage (12) and the safety protection channel (2) are connected through the platform (13).

8. The bailey beam trestle maintenance operation platform of claim 7, wherein:

the ladder cage (12) comprises a plurality of vertical columns (121) which are vertically distributed in a rectangular shape, a plurality of horizontal ribs (123) which are horizontally and equidistantly distributed are connected between every two adjacent vertical columns (121), and vertical ribs (122) connected with the horizontal ribs (123) are arranged between every two adjacent vertical columns (121).

9. The bailey beam trestle maintenance operation platform of claim 7, wherein:

the platform (13) comprises a transverse distribution beam (131) connected to the side face of the bridge of the beret beam, a longitudinal distribution beam (132) connected to the transverse distribution beam (131), and a steel panel (133) laid on the longitudinal distribution beam (132).

10. The bailey beam trestle maintenance operation platform of claim 6, wherein:

the lap beam (124) is rotatably connected with a cover plate (14) for closing the ladder cage (12).