CN217324989U - Barrier-free type installation trolley for high-speed rail bridge - Google Patents

Abstract

The application discloses high-speed railway bridge accessible formula installation platform truck relates to bridge engineering construction technical field, and it includes: the hanging basket hanging device comprises a walking mechanism, a frame and a hanging basket mechanism, wherein the walking mechanism can walk on the top surface of a bridge; at least three groups of frames are arranged at intervals along the longitudinal bridge direction, one ends of the frames are detachably connected to the walking mechanism, and the other ends of the frames extend towards the transverse bridge direction; the hanging basket mechanism is detachably connected to one end, far away from the walking mechanism, of the frame and is used for operating under a lower edge wing of the bridge. The trolley runs on the top surface of the bridge through the running mechanism, requirements on the operation environment are reduced, at least three groups of frames are arranged at intervals in the longitudinal bridge direction and detachably connected between the running mechanism and the hanging basket mechanism, so that when the trolley runs to be close to an obstacle, the trolley can continuously run on a bridge floor provided with contact net stand columns or the obstacle only by sequentially disassembling the frames, the construction continuity is guaranteed, and the construction efficiency is improved.

Description

Barrier-free type installation trolley for high-speed rail bridge

Technical Field

The application relates to the technical field of bridge engineering construction, in particular to a barrier-free type installation trolley for a high-speed rail bridge.

Background

After the high-speed rail bridge is erected, structural facilities such as drain pipes, guardrails and the like are required to be installed on the lower flange of the railway bridge, the bridge is high in clear space, and when the bridge is erected on the water surface, construction can not be carried out in a ground supporting mode, so that a trolley walking on the bridge floor is required, constructors are hoisted to a construction position through hanging baskets on the trolley, the hanging baskets are driven to move through walking of the trolley on the bridge, and continuous construction is achieved.

However, when the bridge deck of the overhead line system upright post is installed or a barrier which is not easy to move or detach is arranged on the bridge deck, continuous walking construction cannot be realized by the installation trolley, and at present, the hanging basket is mostly lifted by using small-sized lifting equipment after being detached, so that the barrier is avoided.

The method not only needs to totally close the construction area, but also cannot ensure the continuity of construction, and has low construction efficiency and poor safety.

SUMMERY OF THE UTILITY MODEL

To the defect that exists among the prior art, the utility model aims at providing a high-speed railway bridge accessible installation platform truck is in order to solve the unable continuous construction's of installation platform truck when meetting the barrier among the correlation technique problem.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

the application provides a high-speed railway bridge accessible formula installation platform truck includes: the walking mechanism is used for walking on the top surface of the bridge;

at least three groups of frames are arranged at intervals in the longitudinal bridge direction, one ends of the frames are detachably connected to the travelling mechanism, and the other ends of the frames extend towards the transverse bridge direction;

and the hanging basket mechanism is detachably connected to one end of the frame, which is far away from the walking mechanism, and is used for working under the lower edge wing of the bridge.

In some optional solutions, each of the vehicle frames includes:

a truss detachably connected between the travelling mechanism and the basket mechanism;

and the auxiliary wheel is vertically connected to the middle part of the truss through a first connecting rod and can run on the top surface of the bridge.

In some alternatives, the truss between the running gear and the first link is a telescopic frame.

In some alternatives, the running gear includes:

an upper frame connected to one end of the frame away from the basket mechanism;

the walking wheels are arranged below the upper frame through a second connecting rod and can walk on the top surface of the bridge;

and the lateral wheels are arranged below the upper frame and are used for abutting against the side wall of the protective wall on the top surface of the bridge.

In some alternatives, the lateral wheels are adapted to abut against a side of the guard wall remote from the basket mechanism.

In some optional schemes, the upper frame is a double-layer truss, and a counterweight is arranged on one side of the upper frame far away from the hanging basket mechanism.

In some alternatives, the basket mechanism comprises:

the upper end of the connecting truss is detachably connected to one end, far away from the walking mechanism, of the frame;

and the hanging basket is connected to the lower end of the connecting truss and is close to the lower edge wing of the bridge.

In some optional schemes, the connecting truss comprises a cross beam connected with the frame and three vertically arranged sub-trusses connected with the cross beam, and one end of each sub-truss, which is far away from the cross beam, is detachably connected with the hanging basket.

In some alternatives, each of the sub-trusses is a telescopic truss.

In some optional schemes, the hanging basket comprises a bottom plate and side plates surrounding the periphery, the side plate far away from the connecting truss is hinged with the bottom plate, can turn 90 degrees to be coplanar with the bottom plate, and is detachably connected with the adjacent side plate.

The beneficial effect that technical scheme that this application provided brought includes:

the application relates to a barrier-free installation trolley for a high-speed rail bridge, which comprises a walking mechanism, a plurality of groups of frames and a hanging basket mechanism, wherein the trolley walks on the top surface of the bridge through the walking mechanism, so that the requirement on the operation environment is reduced, at least three groups of frames are arranged at intervals along the longitudinal bridge direction and detachably connected between the walking mechanism and the hanging basket mechanism, so that when the trolley walks to be close to a barrier, one group of frames close to the barrier can be detached and the trolley can be continuously pushed to walk, when the barrier is close to the next frame, the previous detached frame is reinstalled between the walking mechanism and the hanging basket mechanism, the next group of frames close to the barrier is dismantled, the operation is repeated until the trolley completely passes through the barrier, so that the trolley can continuously walk on a bridge floor provided with upright posts or barriers without integral dismantling or lifting contact nets, and the construction continuity is ensured, the construction efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic construction view of a barrier-free installation trolley for a high-speed railway bridge of the present invention;

FIG. 2 is a side view B-A of the trolley of FIG. 1;

FIGS. 3 and 4 are schematic diagrams illustrating a step one of a construction method for installing a trolley according to an embodiment of the present application;

FIG. 5 is a schematic view of a second step of the installation trolley construction method according to the embodiment of the present application;

FIG. 6 is a schematic diagram of a third step of a construction method for installing a trolley according to an embodiment of the present application;

fig. 7 is a schematic view of a fourth step of the installation trolley construction method according to the embodiment of the application.

Reference numerals: 1. a running mechanism; 11. an upper frame; 12. a running wheel; 13. a lateral wheel; 14. balancing weight; 15. a second link; 2. a frame; 21. a truss; 22. an auxiliary wheel; 23. a first link; 3. a hanging basket mechanism; 31. connecting a truss; 311. a cross beam; 312. a sub-truss; 32. a hanging basket; 4. a lower edge wing; 5. a protective wall; n, an obstacle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

The embodiments of the barrier-free installation trolley for high-speed rail bridges according to the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1, the utility model provides a barrier-free installation trolley for high-speed railway bridges, which comprises a walking mechanism 1, a frame 2 and a hanging basket mechanism 3, wherein the walking mechanism 1 can walk on the top surface of the bridge; at least three groups of frames 2 are arranged at intervals along the longitudinal bridge direction, one ends of the frames are detachably connected to the walking mechanism 1, and the other ends of the frames 2 extend towards the transverse bridge direction; the hanging basket mechanism 3 is detachably connected to one end of the frame 2 far away from the running mechanism 1 and is used for working under a lower edge wing 4 of the bridge.

It can be understood that the running mechanism 1 and the basket mechanism 3 are connected by the plurality of sets of the frames 2, the plurality of sets of the frames 2 are arranged at intervals along the longitudinal bridge direction, when an obstacle is met, one set of the frames 2 close to the obstacle is detached from the space between the running mechanism 1 and the basket mechanism 3, the trolley is pushed to run along the longitudinal bridge direction continuously until the obstacle is close to the next set of the frames 2, the previous set of the detached frames 2 is reinstalled between the running mechanism 1 and the basket mechanism 3, the frames 2 close to the obstacle are removed, and the steps are repeated until the trolley completely passes through the obstacle.

In the embodiment, the three groups of the frame 2 are single-layer trusses, the frame 2, the walking mechanism 1 and the hanging basket mechanism 3 are disassembled and assembled through the matching of the bolts and the pin holes, and the single-layer trusses are adopted, so that the self weight is light, the operation is simple, large-scale equipment such as a crane is not needed, and the bridge is not needed to be closed during construction and passing of obstacles.

It should be noted that, when the frame 2 is removed, at least two sets of frames are connected between the travelling mechanism 1 and the basket mechanism 3 to ensure the safety and stability of the basket mechanism 3.

In some embodiments, as shown in fig. 1, each of the frames 2 includes a truss 21 and an auxiliary wheel 22, the truss 21 being detachably connected between the running gear 1 and the basket gear 3; the auxiliary wheel 22 is vertically connected to the middle of the truss 21 through a first connecting rod 23 and can run on the top surface of the bridge.

The load-bearing capacity of the truss 21 is improved by connecting the auxiliary wheels 22 to the middle part of the truss 21 and running the auxiliary wheels 22 on the top surface of the bridge.

In this example, when the obstacle that the trolley needs to pass through is the contact net column, the auxiliary wheel 22 runs on the bridge floor between the contact net column and the bridge guardrail, and at this time, the auxiliary wheel 22 can also play a certain guiding role.

In some embodiments, the truss 21 is a telescopic frame.

The truss 21 between the walking mechanism 1 and the first connecting rod 23 is set to be a telescopic frame, so that the range of obstacles needing to pass can be adjusted, the length of the force arm between the walking mechanism 1 and the basket mechanism 3 can be adjusted, when the length of the truss 21 close to one end of the walking mechanism 1 is lengthened, the bearing capacity of the basket mechanism 3 at the other end of the truss 21 can be increased, and the load of the basket mechanism 3 is improved.

In some embodiments, as shown in fig. 1, the running gear 1 comprises an upper frame 11, running wheels 12 and lateral wheels 13, the upper frame 11 being connected to an end of the frame 2 remote from the basket mechanism 3; the running wheels 12 are arranged below the upper frame 11 through a second connecting rod 15, and the running wheels 12 can run on the top surface of the bridge; the side wheels 13 are arranged below the upper frame 11, and the side wheels 13 are used for abutting against the side wall of the protective wall 5 on the top surface of the bridge.

It will be appreciated that the running wheels 12 function to run the trolley and the side wheels 13 function to guide.

Preferably, the upper frame 11 is a double-layer truss to stabilize the traveling of the trolley, and a counterweight 14 is provided on a side of the upper frame 11 away from the basket mechanism 3 to further prevent the trolley from overturning.

In this example, the running wheels 12 run on the bridge floor through the cable grooves on the top surface of the bridge, the requirement of the trolley on the working environment is reduced by a wheel running mode, the requirement on the cleanness of the bridge floor is not high, two running wheels 12 are arranged at intervals, and the distance between the two running wheels 12 is 2.5 m-3 m, so that the trolley runs on the bridge floor more stably.

In other embodiments, the running positions, the number and the spacing distance of the running wheels 12 can be specifically set according to the bridge deck environment and construction requirements, and the running wheels 12 can be detachably connected with the upper frame 11 through the second connecting rods 15 so as to be convenient to adjust.

In some embodiments, the lateral wheels 13 are adapted to abut against a side of the guard wall 5 remote from the basket mechanism 3 to further prevent the trolley from tipping over.

In some embodiments, the basket mechanism 3 includes a connecting truss 31 and a basket 32, and an upper end of the connecting truss 31 is detachably connected to an end of the frame 2 away from the running mechanism 1; the gondola 32 is connected to the lower end of the connecting girder 31 and is adjacent to the lower flange 4 of the bridge.

Further, as shown in fig. 2, the connecting truss 31 includes a cross beam 311 connected to the frame 2 and three vertically arranged sub-trusses 312 connected to the cross beam 311, and one end of the sub-truss 312, which is far from the cross beam 311, is detachably connected to the basket 32.

In other embodiments, the number of the sub-trusses 312 may not be particularly limited as long as stability of the connection of the gondola 32 is ensured.

In some embodiments, each of the sub-trusses 312 is a telescopic truss to allow the gondola 32 to be raised and lowered, to facilitate access to the gondola by a constructor, and to increase the scope of construction work.

In some embodiments, the basket 32 includes a bottom plate and side plates surrounding the bottom plate, the side plates far away from the connecting truss 31 are hinged to the bottom plate, can be turned 90 degrees to be coplanar with the bottom plate, and are detachably connected with the adjacent side plates.

It can be understood that the basket 32 is a cubic frame structure with an open top, and after the side plates far away from the connecting truss 31 are turned over, the side plates can extend the working space of the basket 32 towards the web of the bridge, which is beneficial for constructors to construct.

The embodiment of the application also provides a construction method for the barrier-free installation trolley of the high-speed rail bridge, which comprises the following steps:

erecting a trolley on the top surface of a bridge, enabling a traveling mechanism 1 to travel on a bridge floor, sequentially and detachably connecting at least three groups of frames 2 between the traveling mechanism 1 and a hanging basket mechanism 3 along a longitudinal bridge direction, and hoisting the hanging basket mechanism 3 to a lower edge wing 4 of the bridge, so that the hanging basket mechanism 3 can be used for overhauling the lower edge wing 4 of the bridge;

preferably, as shown in fig. 3, the frame 2 is provided with three sets, and the frame 2 is assembled and disassembled with the running mechanism 1 and the basket mechanism 3 through the matching of pins and pin holes.

S1: as shown in fig. 3 and 4, the trolley is pushed to run on the top surface of the bridge, and when the obstacle is reached, the group of frames 2 close to the obstacle is disassembled along the running direction of the trolley;

it can be understood that when the frame 2 is removed, at least two sets of frames are connected between the travelling mechanism 1 and the basket mechanism 3 to ensure the connection stability of the basket mechanism 3 when the trolley travels.

S2: as shown in fig. 5, the trolley is moved continuously until the next group of frames 2 is close to the obstacle, the disassembled frames are reconnected between the running mechanism 1 and the basket mechanism 3, and then the next group of frames 2 close to the obstacle is disassembled;

s3: as shown in fig. 6 and 7, step S2 is repeated to allow the carriage to completely pass through the obstacle.

At least three groups of frames are detachably connected between the travelling mechanism and the hanging basket mechanism in the longitudinal bridge direction, so that when the trolley passes through the obstacle, one group of frames close to the obstacle can be sequentially dismounted along the travelling direction of the trolley, and when the obstacle reaches the next group of frames, the previous group of dismounted frames is remounted between the travelling mechanism and the hanging basket mechanism, so that the trolley passes through the obstacle while the construction of personnel on the hanging basket is not influenced; auxiliary wheels capable of running on the bridge floor are arranged below the middle part of the frame, and play a role in supporting the frame so as to stabilize the hanging basket mechanism; the truss of the frame is arranged to be telescopic, so that the range of obstacles through which the trolley can pass is expanded, the length of a force arm between the traveling mechanism and the hanging basket mechanism can be adjusted, and when the length of one end, close to the traveling mechanism, of the truss is lengthened, the load of the hanging basket mechanism can be improved; the running mechanism is arranged to run by two wheels, namely the running wheels and the side wheels, so that the requirement on the cleanness of a bridge floor is low, the running is more convenient, the side wheels not only play a role in guiding the running of the trolley, but also can prevent the trolley from overturning; the sub-trusses of the hanging basket mechanism can be lifted up and down, so that the working range of the hanging basket is larger, and the operation space is enlarged due to the fact that the hanging basket side plates can be overturned; the detachable connection of the bolts and the jacks enables the transportation and installation of the whole trolley to be more convenient and the use to be flexible.

In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.

It is noted that, in the present 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. Also, 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 an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present application and are presented to enable those skilled in the art to understand and practice the present 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 (10)

1. The utility model provides a high-speed railway bridge barrier-free formula installation platform truck which characterized in that includes:

the walking mechanism (1) is used for walking on the top surface of the bridge;

at least three groups of frames (2) are arranged at intervals in the longitudinal bridge direction, one ends of the frames are detachably connected to the walking mechanism (1), and the other ends of the frames extend towards the transverse bridge direction;

and the hanging basket mechanism (3) is detachably connected to one end, far away from the walking mechanism (1), of the frame (2) and is used for operating under a lower edge wing (4) of the bridge.

2. A high-speed railway bridge barrier-free installation trolley according to claim 1, characterized in that each set of said carriages (2) comprises:

a truss (21) detachably connected between the running mechanism (1) and the basket mechanism (3);

and the auxiliary wheel (22) is vertically connected to the middle part of the truss (21) through a first connecting rod (23) and can run on the top surface of the bridge.

3. The barrier-free installation trolley for a high-speed rail bridge as claimed in claim 2, wherein: the truss (21) between the walking mechanism (1) and the first connecting rod (23) is an expansion bracket.

4. A high-speed railway bridge barrier-free installation trolley according to claim 1, characterized in that the running gear (1) comprises:

the upper frame (11) is connected to one end, far away from the hanging basket mechanism (3), of the frame (2);

the walking wheels (12) are arranged below the upper frame (11) through second connecting rods (15), and the walking wheels (12) can walk on the top surface of the bridge;

and the lateral wheels (13) are arranged below the upper frame (11), and the lateral wheels (13) are used for abutting against the side wall of the protective wall (5) on the top surface of the bridge.

5. The barrier-free installation trolley for a high-speed rail bridge as claimed in claim 4, wherein:

the lateral wheels (13) are used for abutting against one side of the protective wall (5) far away from the hanging basket mechanism (3).

6. The barrier-free installation trolley for a high-speed rail bridge as claimed in claim 4, wherein:

the upper frame (11) is a double-layer truss, and a counterweight (14) is arranged on one side, far away from the hanging basket mechanism (3), of the upper frame (11).

7. A high-speed railway bridge barrier-free installation trolley according to claim 1, characterized in that the basket mechanism (3) comprises:

the upper end of the connecting truss (31) is detachably connected to one end, far away from the walking mechanism (1), of the frame (2);

and the hanging basket (32) is connected to the lower end of the connecting truss (31) and is close to the lower edge wing (4) of the bridge.

8. The barrier-free installation trolley for a high-speed rail bridge as claimed in claim 7, wherein:

the connecting truss (31) comprises a cross beam (311) connected with the frame (2) and three vertically arranged sub-trusses (312) connected with the cross beam (311), and one ends, far away from the cross beam (311), of the sub-trusses (312) are detachably connected with the hanging basket (32).

9. The barrier-free installation trolley for a high-speed rail bridge according to claim 8, wherein:

each sub-truss (312) is a telescopic truss.

10. The barrier-free installation trolley for a high-speed rail bridge as claimed in claim 7, wherein:

the hanging basket (32) comprises a bottom plate and side plates surrounding the periphery, the side plates far away from the connecting truss (31) are hinged with the bottom plate, can be turned for 90 degrees and are coplanar with the bottom plate, and are detachably connected with the adjacent side plates.

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