CN212771922U - Appearance inspection device for main cable of suspension bridge - Google Patents
Appearance inspection device for main cable of suspension bridge Download PDFInfo
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- CN212771922U CN212771922U CN202020921094.7U CN202020921094U CN212771922U CN 212771922 U CN212771922 U CN 212771922U CN 202020921094 U CN202020921094 U CN 202020921094U CN 212771922 U CN212771922 U CN 212771922U
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Abstract
The application relates to an appearance inspection device for a main cable of a suspension bridge, and relates to the technical field of bridge detection. The appearance inspection device comprises an auxiliary rope, a detection unit and a control unit, wherein the detection unit is arranged on the auxiliary rope and comprises a moving assembly and a detection assembly arranged at the bottom of the moving assembly, the control unit comprises a distance measurement assembly and a control assembly, the distance measurement assembly is arranged on the detection unit,and for monitoring the distance value h between the mobile assembly and the main tower1And detecting the distance value h between the component and the main cable2And is used according to h1Adjusting the moving direction of the moving component according to h2The length of the detection assembly is adjusted so that the distance value between the detection assembly and the main cable is always within a preset safety distance value. The application provides an outward appearance inspection device, degree of automation is high, has solved among the correlation technique main push-towing rope maintenance inefficiency of suspension bridge, the potential safety hazard is big, the problem of maintenance with high costs.
Description
Technical Field
The application relates to a bridge detection technology, in particular to an appearance inspection device for a main cable of a suspension bridge.
Background
With the development of bridges as important transportation infrastructures, suspension bridges have been developed in recent years, and they are often constructed preferentially in deep or relatively rapid water flows due to the characteristics that they can span relatively long distances using relatively little material and have high bridge span positions, and there is no need to build temporary piers in the center of the bridge during bridge construction. The main cable is used as a main stressed member of the suspension bridge, bears the whole load of the bridge, and is not easy to replace in the whole service life of the bridge, so the service life of the suspension bridge depends on the integrity of the whole main cable to a great extent. The main cable steel wire and the anchorage thereof inevitably generate corrosion and damage under the action of natural environment and load, so that the strength of the main cable is degraded, and great potential safety hazard exists, therefore, the regular inspection and evaluation of the main cable are necessary.
In the related art, the two optimal inspection and maintenance periods of the main cable in each year are respectively the time when the winter and the summer are just finished, the damage caused by freezing is most conveniently detected and the deicing salt in the splashing area is timely removed, the influence of external high temperature on paint and tight seams can be timely inspected, and in addition, the inspection should be timely carried out after extreme weather such as strong wind, strong snowfall, rainfall, icing and the like. The current common inspection mode is that a detector walks along the whole main cable once, and observes or touches the main cable after the detector is fully close to the main cable, so that the structure and the performance of each part of the main cable are inspected and evaluated.
However, the natural environment in which the suspension bridge is generally located is relatively severe, so that a mode of routing inspection by a detector has a great potential safety hazard and low efficiency, the main cable cannot be accurately acquired by full images, and the management and maintenance of the bridge in the whole service life are not facilitated. Some main cable maintenance vehicles for suspension bridge operation appear at present, but such maintenance vehicles are often large and heavy, low in maintenance efficiency and high in cost for conventional inspection management, and the bridge needs to be closed or semi-closed in the inspection process, so that overlarge social and economic cost is caused.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides an outward appearance inspection device for suspension bridge main push-towing rope to solve the problem that suspension bridge's main push-towing rope maintenance efficiency is low, the potential safety hazard is big, the maintenance cost is high among the correlation technique.
In a first aspect, an appearance inspection device for a main cable of a suspension bridge is provided, which includes:
the auxiliary rope is arranged above the main cable;
the detection unit is arranged on the auxiliary rope and comprises a moving assembly and a detection assembly, the moving assembly can move up and down along the auxiliary rope, and the detection assembly is arranged at the bottom of the moving assembly and used for detecting the appearance condition of the main cable under the driving of the moving assembly;
a control unit including a distance measuring component and a control component, wherein the distance measuring component is arranged on the detection unit and is used for monitoring the distance value h between the movable component and the main tower1And a distance value h between the detection component and the main cable2The control component is used for controlling the operation according to h1Adjusting the moving direction of the moving component according to h2And adjusting the length of the detection assembly so that the distance value between the detection assembly and the main cable is always within a preset safe distance value.
In some embodiments, the moving assembly comprises:
the climbing trolley is arranged on the auxiliary rope;
the first driving piece is arranged in the climbing trolley and connected with the control assembly, and the first driving piece is used for driving the climbing trolley to move up and down along the auxiliary rope under the control of the control assembly.
In some embodiments, the detection assembly comprises:
the detection rod is arranged at the bottom of the climbing trolley, a second driving piece is arranged in the detection rod, and the control assembly is used for controlling the climbing trolley according to h2Controlling the second driving piece to adjust the length of the detection rod so as to ensure that the distance between the detection rod and the main cable is always within a preset safety distance value;
and the camera is arranged at the bottom of the detection rod and is connected with the control component.
In some embodiments, the ranging assembly comprises:
a first distance meter disposed at the bottom of the detection rod for measuring distanceMonitoring the distance value h between the detection rod and the main cable in the moving process2；
The second distance measurer is arranged on the climbing trolley and used for monitoring the distance value h between the climbing trolley and the main tower in the moving process1。
In some embodiments, the ranging assembly further comprises a third range finder disposed on the climbing trolley and configured to monitor linear changes in the main cable during movement.
In some embodiments, the first range finder, the second range finder, and the third range finder are all laser range finders or infrared range finders.
In some embodiments, the predetermined safe distance value is 30-50 cm.
In some embodiments, the moving speed of the climbing trolley along the auxiliary rope is 2-8 m/s.
In some embodiments, the control component and the ranging component, the moving component and the detecting component are connected in a wireless manner.
The beneficial effect that technical scheme that this application provided brought includes:
the embodiment of the application provides an outward appearance inspection device for suspension bridge main push-towing rope, under ranging assembly and control assembly's cooperation, removes distance value h between subassembly and the main tower through the monitoring1And detecting the distance value h between the component and the main cable2Can flexibly adjust the moving direction of the moving component and simultaneously according to h2The length of real-time adjustment determine module to make the distance value between determine module and the main push-towing rope be located all the time and predetermine safe distance value, make determine module can the rapid detection main push-towing rope's under the drive of removal subassembly outward appearance condition. The appearance inspection device can quickly and accurately inspect the appearance condition of the main cable of the suspension bridge and obtain comprehensive, clear and accurate image information, provides data support for decision making of management and maintenance units, and ensures the operation safety of the bridge; in addition, the inspection efficiency is high, the labor, material and time cost are saved, and unsafe factors in the manual detection process are eliminated.
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 diagram of an appearance inspection device for a main cable of a suspension bridge according to an embodiment of the present application.
In the figure: 1-auxiliary rope, 2-main cable, 3-main tower, 40-climbing trolley, 51-detection rod, 52-camera, 60-first distance meter, 61-second distance meter and 62-third distance meter.
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 embodiment of the application provides an outward appearance inspection device for suspension bridge main push-towing rope, it can solve suspension bridge's main push-towing rope maintenance inefficiency, potential safety hazard among the correlation technique and big, the problem of maintenance with high costs.
FIG. 1 is a schematic structure diagram of an appearance inspection device, the appearance inspection device mainly comprises an auxiliary rope 1, a detection unit and a control unit, wherein the auxiliary rope 1 is arranged above a main cable 2, one end of the auxiliary rope is fixed with a device close to the ground, the other end of the auxiliary rope is fixed on a main tower 3, the detection unit is arranged on the auxiliary rope 1, the detection unit specifically comprises a moving assembly and a detection assembly, the moving assembly is arranged on the auxiliary rope 1 and can move up and down along the auxiliary rope 1, the detection assembly is arranged at the bottom of the moving assembly, and the detection unit is mainly used for sequentially detecting the outer part of the main cable 2 in the moving process under the driving of the moving assemblyAnd (6) observing the situation. The control unit comprises a distance measuring component and a control component, the distance measuring component is arranged on the detection unit and is mainly used for monitoring the distance value h between the movable component and the main tower 31And monitoring the distance value h between the detection assembly and the main cable 22The control component is used for controlling the operation according to h1Adjusting the moving direction of the moving component, when the moving component is faster than the contact of the main tower 3, adjusting the reversing of the moving component, and simultaneously adjusting the reversing according to h2The length of the detection component is adjusted so that the distance value between the detection component and the main cable 2 is always within a preset safe distance value.
Further, the moving assembly specifically comprises a climbing trolley 40 and a first driving member, the climbing trolley 40 is arranged on the auxiliary rope 1, the first driving member is arranged in the climbing trolley 40 and connected with the control assembly, and the first driving member is used for driving the climbing trolley 40 to move up and down along the auxiliary rope 1 under the control of the control assembly. The first drive element is preferably an electric motor.
Further, the detection assembly specifically comprises a detection rod 51 and a camera 52, the detection rod 51 is arranged at the bottom of the climbing trolley 40, a second driving piece is arranged in the detection rod 51, and the control assembly is used for controlling the climbing trolley according to h2The length of control second driving piece in order to adjust the check rod 51 to guarantee that the distance between check rod 51 and the main push-towing rope 2 is located in presetting safe distance value all the time, camera 52 locates the bottom of check rod 51 and links to each other with control assembly for shoot or shoot the surface of main push-towing rope 2. Where the second drive member is also preferably an electric motor, the sensing rod 51 can be extended or retracted along its length to vary its length, using the control unit according to h2The second driving piece is controlled to adjust the length of the detection rod 51, so that the distance between the detection rod 51 and the main cable 2 can be ensured to be always within a preset safe distance value in the detection process, and the consistent distance is ensured to detect the definition of a shot picture and the like.
Further, the distance measuring assembly specifically comprises a first distance meter 60 and a second distance meter 61, wherein the first distance meter 60 is arranged at the bottom of the detecting rod 51 and is used for monitoring the distance value h between the detecting rod 51 and the main cable 2 in the moving process2A second distance meter 61 is arranged on the side of the climbing trolley 40 close to the main tower 361 is mainly used for monitoring the distance value h between the climbing trolley 40 and the main tower 3 in the moving process1. The ranging assembly further comprises a third range finder 62, the third range finder 62 being provided on the climbing trolley 40 and being mainly used for monitoring the linear change of the main cable 2 during movement. The first range finder 60, the second range finder 61 and the third range finder 62 are all laser range finders or infrared range finders.
Furthermore, the preset safe distance value is 30-50 cm, the moving speed of the climbing trolley 40 along the auxiliary rope 1 is 2-8 m/s, and the detection parameters are adjusted according to the specific detection environment. The control assembly is in wireless connection with the ranging assembly, the moving assembly and the detection assembly, and remote control of operators is facilitated.
Specifically, supplementary rope 1 is ordinary wire rope, and when the removal subassembly was faster than the contact of main tower 3, the control module can adjust the removal subassembly switching-over, can control the detection subassembly simultaneously after the switching-over and stop detecting, avoids repeated detection.
This outward appearance inspection device removes distance value h between subassembly and the main tower 3 through the monitoring under the cooperation of range finding subassembly and control assembly1And the distance value h between the detection assembly and the main cable 22Can flexibly adjust the moving direction of the moving component and simultaneously according to h2The length of real-time adjustment determine module to make the distance value between determine module and the main push-towing rope 2 be located all the time and predetermine safe distance value, make determine module can the short-term test main push-towing rope 2's of ability outward appearance condition under the drive of removal subassembly. The appearance inspection device can quickly and accurately inspect the appearance condition of the main cable 2 of the suspension bridge and obtain comprehensive, clear and accurate image information, provides data support for decision making of management and maintenance units, and ensures the operation safety of a bridge; in addition, the inspection efficiency is high, the labor, material and time cost are saved, and unsafe factors in the manual detection process are eliminated.
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 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 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 (9)
1. The utility model provides an outward appearance inspection device for suspension bridge main push-towing rope which characterized in that, it includes:
an auxiliary rope (1) arranged above the main cable (2);
the detection unit is arranged on the auxiliary rope (1), and comprises a moving component and a detection component, wherein the moving component can move up and down along the auxiliary rope (1), and the detection component is arranged at the bottom of the moving component and used for detecting the appearance condition of the main cable (2) under the driving of the moving component;
a control unit including a distance measuring component and a control component, wherein the distance measuring component is arranged on the detection unit and is used for monitoring the distance value h between the movable component and the main tower (3)1And a distance value h between the detection assembly and the main cable (2)2The control component is used for controlling the operation according to h1Adjusting the moving direction of the moving component according to h2And adjusting the length of the detection assembly so that the distance value between the detection assembly and the main cable (2) is always within a preset safety distance value.
2. The appearance inspection device for a main cable of a suspension bridge according to claim 1, wherein the moving assembly includes:
a climbing trolley (40) arranged on the auxiliary rope (1);
the first driving piece is arranged in the climbing trolley (40) and connected with the control assembly, and the first driving piece is used for driving the climbing trolley (40) to move up and down along the auxiliary rope (1) under the control of the control assembly.
3. The appearance inspection device for the main cable of the suspension bridge according to claim 2, wherein the detection assembly comprises:
a detection rod (51) arranged at the bottom of the climbing trolley (40), a second driving piece is arranged in the detection rod (51), and the control component is used for controlling the climbing trolley according to h2Controlling the second driving member to adjust the length of the detecting rod (51) to ensure the connection between the detecting rod (51) and the main cable (2)The distance between the two adjacent sensors is always within a preset safe distance value;
and the camera (52) is arranged at the bottom of the detection rod (51) and is connected with the control assembly.
4. The appearance inspection device for the main cable of the suspension bridge according to claim 3, wherein the ranging assembly comprises:
a first distance meter (60) arranged at the bottom of the detection rod (51), wherein the first distance meter (60) is used for monitoring the distance value h between the detection rod (51) and the main cable (2) in the moving process2；
A second distance measuring device (61) arranged on the climbing trolley (40), wherein the second distance measuring device (61) is used for monitoring the distance value h between the climbing trolley (40) and the main tower (3) in the moving process1。
5. The appearance inspection device for the main cable of the suspension bridge according to claim 4, wherein: the ranging assembly further comprises a third range finder (62), wherein the third range finder (62) is arranged on the climbing trolley (40) and is used for monitoring the linear change of the main cable (2) in the moving process.
6. The appearance inspection device for the main cable of the suspension bridge according to claim 5, wherein: the first distance meter (60), the second distance meter (61) and the third distance meter (62) are all laser distance meters or infrared distance meters.
7. The appearance inspection device for the main cable of the suspension bridge, according to claim 1, is characterized in that: the preset safe distance value is 30-50 cm.
8. The appearance inspection device for the main cable of the suspension bridge, according to claim 2, is characterized in that: the moving speed of the climbing trolley (40) along the auxiliary rope (1) is 2-8 m/s.
9. The appearance inspection device for the main cable of the suspension bridge, according to claim 1, is characterized in that: the control assembly is in wireless connection with the ranging assembly, the moving assembly and the detection assembly.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020921094.7U CN212771922U (en) | 2020-05-27 | 2020-05-27 | Appearance inspection device for main cable of suspension bridge |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020921094.7U CN212771922U (en) | 2020-05-27 | 2020-05-27 | Appearance inspection device for main cable of suspension bridge |
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| CN212771922U true CN212771922U (en) | 2021-03-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115185290A (en) * | 2022-08-12 | 2022-10-14 | 东南大学 | Method and device for planning inspection path of main cable of unmanned aerial vehicle suspension bridge |
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2020
- 2020-05-27 CN CN202020921094.7U patent/CN212771922U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115185290A (en) * | 2022-08-12 | 2022-10-14 | 东南大学 | Method and device for planning inspection path of main cable of unmanned aerial vehicle suspension bridge |
| CN115185290B (en) * | 2022-08-12 | 2024-05-14 | 东南大学 | Unmanned aerial vehicle suspension bridge main cable routing inspection path planning method and device |
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