CN217335716U - Inside inspection device of large-span box girder bridge - Google Patents
Inside inspection device of large-span box girder bridge Download PDFInfo
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- CN217335716U CN217335716U CN202221346954.4U CN202221346954U CN217335716U CN 217335716 U CN217335716 U CN 217335716U CN 202221346954 U CN202221346954 U CN 202221346954U CN 217335716 U CN217335716 U CN 217335716U
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Abstract
The utility model discloses an internal inspection device of a large-span box girder bridge, which relates to the technical field of bridge detection, and comprises a track assembly, a plurality of inspection devices and a plurality of inspection devices, wherein the track assembly is used for erecting the top surface in the box girder; the lifting assembly is arranged on the track assembly and can be butted with the end part of the track assembly when moving to a limited position; and the detection assembly is connected with the lifting assembly, and when the lifting assembly is in butt joint with the end part of the track assembly, the detection assembly can be switched to the track assembly and can slide along the track assembly. The utility model provides an inside inspection device of large-span box girder bridge is through erectting mobilizable inspection device in the case roof beam for the personnel of patrolling and examining can accomplish through remote control and patrol and examine.
Description
Technical Field
The utility model relates to a bridge patrols and examines technical field, concretely relates to inside inspection device of large-span box girder bridge.
Background
With the development of domestic capital construction technology, the construction of large-span bridges is gradually mature. The large-span prestressed concrete box girder bridge has the characteristics of large span and high girder body. Because the inside too huge personnel of patrolling and examining of case roof beam structure all need to spend a large amount of time at every turn daily patrolling and examining, the narrow special tool that carries of the outside hanging ladder of case roof beam moreover, the illumination of case roof beam inside is not enough, and the great also very big inconvenience of having brought for inspection work of case roof beam bottom slope. A large amount of manpower and material resources are required to be invested in each inspection.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, the utility model aims to provide an inside inspection device of large-span box girder bridge.
In order to achieve the above purpose, the utility model adopts the technical proposal that: the utility model provides an inside inspection device of large-span box girder bridge, inside inspection device includes:
a track assembly for erecting a top surface within the box girder;
the lifting assembly is arranged on the track assembly and can be butted with the end part of the track assembly when moving to a limited position;
and the detection assembly is connected with the lifting assembly, and when the lifting assembly is in butt joint with the end part of the track assembly, the detection assembly can be switched to the track assembly and can slide along the track assembly.
In some embodiments, the lift assembly comprises:
the prefabricated rail is used for being in butt joint with the rail assembly and is connected with the detection assembly;
and the lifting device is connected with the prefabricated track and is used for driving the prefabricated track to lift so as to enable the detection assembly to lift or fall.
In some embodiments, the lifting assembly further comprises at least four steel cables, each of the steel cables has one end connected to the top of the box girder and the other end extending vertically downward and connected to the bottom of the box girder, and the four steel cables form a lifting channel for the prefabricated rail to ascend or descend.
In some embodiments, the hoist comprises:
the lifting sling is connected with the prefabricated track;
and the ratchet rocking handle is connected with the lifting cable and is used for tightening or paying out the lifting cable so as to lift or fall the prefabricated rail.
In some embodiments, the prefabricated rail comprises a butt end and a stop end, the butt end is provided with an opening, and the opening of the butt end is arranged in an upward inclined manner.
In some embodiments, the detection assembly comprises:
the detection platform is used for being connected with the lifting assembly;
and the camera device is connected with the bottom of the detection platform through a telescopic rod.
In some embodiments, the detection assembly further comprises: the rail car assembly comprises at least 2 driving wheels, the driving wheels are connected with the detection platform, and the driving wheels are used for being arranged in the prefabricated rail; wherein the content of the first and second substances,
when the lifting assembly is in butt joint with the end part of the track assembly, the detection platform is used for driving the driving wheel to slide into the track assembly and slide along the track assembly.
In some embodiments, the railcar assembly further comprises at least 2 follower wheels, and the drive wheel is made of rubber and the follower wheels are made of resin.
In some embodiments, the detection platform is provided with a wireless communication module.
In some embodiments, the track assembly includes two spaced apart hanger rails that are assembled to the box girder via a cross beam.
Compared with the prior art, the utility model has the advantages of:
(1) the utility model provides an inside inspection device of large-span box girder bridge is through erectting mobilizable inspection device in the case roof beam for the personnel of patrolling and examining can accomplish through remote control and patrol and examine.
(2) The utility model provides an inside inspection device of large-span box girder bridge is through setting up track and electric drive coaster for it can be in the girder steel incasement quick travel to the different places of patrolling and examining to patrol and examine the subassembly.
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 structural view of an internal inspection device of a large-span box girder bridge in the embodiment of the utility model;
fig. 2 is the embodiment of the utility model provides an in the inside inspection device's of large-span box girder bridge local structure schematic diagram.
In the figure: 1. a track assembly; 11. hoisting a rail; 2. a lifting assembly; 21. prefabricating a track; 22. a hoisting device; 221. a sling; 222. a ratchet rocking handle; 23. a steel cord; 3. a detection component; 31. a detection platform; 311. a telescopic rod; 32. a camera device; 33. a railcar assembly; 331. a drive wheel; 332. a follower wheel; 4. a cross member.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in 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 obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. As shown in fig. 1, the present application provides an inside inspection device of large-span box girder bridge, it includes: the device comprises a track assembly 1, a lifting assembly 2 and a detection assembly 3; wherein the content of the first and second substances,
the track assembly 1 is used for being erected on the top surface in the box girder; the lifting assembly 2 is arranged on the track assembly 1 and can be butted with the end part of the track assembly 1 when moving to a limited position; and the detection assembly 3 is connected with the lifting assembly 2, and when the lifting assembly 2 is butted with the end part of the track assembly 1, the detection assembly 3 can be switched to the track assembly 1 and can slide along the track assembly 1.
It will be appreciated that the above-defined positions are generally parallel to the track assembly 1 to facilitate the docking of the lifting assembly 2 with the track assembly 1.
It is worth to be noted that, the detection assembly 3 is provided with a camera monitoring device for remotely detecting the internal condition of the box girder.
Specifically, considering that the variable cross-section box girder has large span and high girder body and heavy inspection task, in order to ensure the daily property and the normative property of daily inspection, the top end of the box girder is paved with the inspection special track, and the track assembly 1 can be paved with the inspection route according to the requirement of a customer. And the track assembly 1 adopts the design of parallel double track, and two hanger rails 11 parallel arrangement each other are in order to ensure that equipment keeps stable gesture in service to ensure that equipment video acquisition's is stable clear.
It should be noted that two hanger rails 11 are fixed on the top plate of the box girder through the cross beams 4, and a plurality of cross beams 4 are installed at equal intervals on the top of the girder plate according to the track route, and then the hanger rails 11 are laid on the cross beams 4 to ensure the parallelism of the track.
In some embodiments, as shown in fig. 2, the lift assembly 2 comprises: a prefabricated rail 21 for butting against the rail assembly 1, wherein the prefabricated rail 21 is internally used for accommodating a sliding mechanism of the detection assembly 3; and the lifting device 22 is connected with the prefabricated track 21, and the lifting device 22 is used for driving the prefabricated track 21 to lift and lower so as to lift or lower the detection assembly 3.
Specifically, the lifting assembly 2 further includes at least four steel cables 23, two ends of each steel cable 23 are respectively connected to the box girder, and the steel cables 23 are attached to the precast track 21 to limit the moving direction of the precast track 21. The four cables need to be positioned flush with the pre-cast track 21 so that the pre-cast track 21 does not deviate from the track during lifting or lowering and cannot be docked with the track assembly 1.
Preferably, the steel cable 23 is provided with a guide ring to ensure the accuracy of the ascending and descending process of the detecting assembly 3.
It is noted that the hoist 22 includes: a sling 221 and a ratchet handle 222; wherein the content of the first and second substances,
a lifting rope 221 connected to the precast rail 21; a ratchet handle 222 connected to the lifting rope 221, the ratchet handle 222 being used to take up or let out the lifting rope 221 to raise or lower the precast rail 21.
It will be appreciated that the ratchet design prevents accidental falling of the detection assembly and the preformed track 21. The prefabricated rail 21 serves as a bearing platform, and the prefabricated rail 21 comprises a butt end and a stop end, wherein the stop end is sealed, and the butt end is opened to allow the rail car assembly 33 to enter. Wherein the opening at one end of the opening is inclined upwards for 5 degrees, so as to prevent the rail car assembly 33 from sliding out of the prefabricated rail 21 during ascending and descending.
In some embodiments, the detection assembly 3 comprises: a detection stage 31 and an imaging device 32; wherein the content of the first and second substances,
the detection platform 31 is used for being connected with the lifting assembly 2; and the camera device 32 is connected with the bottom of the detection platform 31 through a telescopic rod 311.
Preferably, the camera device 32 employs a gimbal structure. The telescopic rod 311 has 3 sections, each section is 1-1.5m, and is mainly used for keeping a proper distance of 3-4.5m between a holder (the camera device 32) and the top of the box girder. On the premise of ensuring the observation precision (such as a crack of 0.15 mm), a larger visual field is provided. The lower end of the suspender is provided with a fast assembly matched with the universal holder, so that the mounting and dismounting of the holder can be completed quickly.
It is worth mentioning that the detection assembly 3 further comprises: and the rail car assembly 33 is arranged on the top surface of the detection platform 31, and the rail car assembly 33 is used for being clamped with the prefabricated rail 21. The rail car assembly 33 comprises at least 2 driving wheels 331, and the driving wheels 331 are connected with the detection platform 31; when the internal inspection device is in the second state, the inspection platform 31 is used to drive the driving wheel 331 to rotate so that the inspection platform 31 moves along the track assembly 1.
Preferably, the rail car assembly 33 further includes at least 2 follower wheels 332, and the drive wheel 331 is made of rubber, and the follower wheels 332 are made of resin. In some embodiments, the rail car is equipped with 4 sets of 4-wheeled trolleys, with a wheel diameter of 24 mm. A speed-reducing direct current motor is used as a driving unit and can be remotely controlled to move forward, backward and stop. In order to guarantee the inspection quality and the stable operation of the rail car assembly 33, the design speed per hour is 0.5 m/s, and the inside inspection of the box girder can be rapidly completed by the rail car running in the rail.
Preferably, the detection platform 31 is provided with a wireless communication module to fully ensure the communication quality of the equipment during the inspection in the box, so as to ensure the stable transmission of the high-definition video in the box.
In use, the detection assembly 3 is completely assembled by the constructor at the lower part and the railcar assembly 33 is loaded into the prefabricated track 21. The ratchet wheel rocking handle 222 is shaken to lift the prefabricated rail 21 to the rail assembly 1, the prefabricated rail 21 is in butt joint with the hanging rail 11 of the rail assembly 1, the remote control rail car assembly 33 moves into the hanging rail 11 to carry out in-box inspection operation, and after the inspection is finished, the rail car drives into the prefabricated rail 21 to reversely rotate the rocking handle, so that the platform descends, and the equipment storage can be completed.
To sum up, the utility model provides an inside inspection device of large-span box girder bridge is through erectting mobilizable inspection device in the case roof beam for the inspection personnel can accomplish through remote control and patrol and examine. The utility model provides a device is patrolled and examined to inside of large-span box girder bridge is through setting up track and electric drive coaster for it can be in the girder steel incasement quick travel to the different places of patrolling and examining to patrol and examine the subassembly.
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 appropriate.
It is 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. 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 above description is merely exemplary of the present application and is 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 an inside inspection device of large-span box girder bridge which characterized in that, inside inspection device includes:
a rail assembly (1) for erecting a top surface within the box girder;
the lifting assembly (2) is arranged on the track assembly (1) and can be butted with the end part of the track assembly (1) when moving to a limited position;
the detection assembly (3) is connected with the lifting assembly (2), and when the lifting assembly (2) is butted with the end part of the track assembly (1), the detection assembly (3) can be switched to the track assembly (1) and can slide along the track assembly (1).
2. The internal inspection device according to claim 1, wherein the elevating assembly (2) includes:
a pre-fabricated rail (21) used for being butted with the rail assembly (1), wherein the pre-fabricated rail (21) is used for being connected with the detection assembly (3);
and the hoisting device (22) is connected with the prefabricated track (21), and the hoisting device (22) is used for driving the prefabricated track (21) to ascend and descend so as to enable the detection assembly (3) to ascend or descend.
3. The internal inspection device according to claim 2, wherein the lifting assembly (2) further includes at least four cables (23), each cable (23) having one end connected to the top of the box girder and the other end vertically extending downward and connected to the bottom of the box girder, and the four cables (23) defining a lifting passage for the prefabricated rail (21) to be lifted or lowered.
4. The internal inspection device according to claim 2, wherein the hoist (22) includes:
a sling (221) connected to the prefabricated rail (21);
a ratchet handle (222) connected to the lifting rope (221), the ratchet handle (222) being used to take up or let out the lifting rope (221) to raise or fall the precast rail (21).
5. The internal inspection device according to claim 2, wherein the pre-formed track (21) includes a butt end and a cut-off end, the butt end having an opening, and the opening of the butt end being disposed to be inclined upward.
6. The internal inspection device according to claim 5, wherein the inspection assembly (3) includes:
a detection platform (31) for connection to the lifting assembly (2);
and the camera device (32) is connected with the bottom of the detection platform (31) through a telescopic rod (311).
7. The internal inspection device according to claim 6, wherein the inspection assembly (3) further includes: a rail car assembly (33) comprising at least 2 drive wheels (331), said drive wheels (331) being connected to said inspection platform (31) and said drive wheels (331) being adapted to be arranged in said pre-fabricated rail (21); wherein the content of the first and second substances,
when the lifting assembly (2) is in butt joint with the end part of the track assembly (1), the detection platform (31) is used for driving the driving wheel (331) to slide into the track assembly (1) and slide along the track assembly (1).
8. The internal inspection device according to claim 7, wherein the rail car assembly (33) further includes at least 2 follower wheels (332), and the drive wheel (331) is made of rubber and the follower wheels (332) are made of resin.
9. The internal inspection device according to claim 6, wherein the detection platform (31) is provided with a wireless communication module.
10. The internal inspection device according to claim 1, wherein the track assembly (1) comprises two suspension rails (11) arranged at intervals, and the suspension rails (11) are assembled on the box girder through a cross beam (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221346954.4U CN217335716U (en) | 2022-05-31 | 2022-05-31 | Inside inspection device of large-span box girder bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221346954.4U CN217335716U (en) | 2022-05-31 | 2022-05-31 | Inside inspection device of large-span box girder bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217335716U true CN217335716U (en) | 2022-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221346954.4U Active CN217335716U (en) | 2022-05-31 | 2022-05-31 | Inside inspection device of large-span box girder bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217335716U (en) |
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2022
- 2022-05-31 CN CN202221346954.4U patent/CN217335716U/en active Active
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