CN212137815U - Visual structure of cable anchor head - Google Patents
Visual structure of cable anchor head Download PDFInfo
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- CN212137815U CN212137815U CN202020708687.5U CN202020708687U CN212137815U CN 212137815 U CN212137815 U CN 212137815U CN 202020708687 U CN202020708687 U CN 202020708687U CN 212137815 U CN212137815 U CN 212137815U
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Abstract
The utility model discloses a visual structure of cable anchor head, its characterized in that: the device comprises an anchor head, a probe (2) and a cable (13), wherein the probe (2) is coupled in the anchor head, the probe (2) is connected with one end of the cable (13), and the other end of the cable (13) is led out of the anchor head from the inside of the anchor head; the cable (13) is used for connecting with a visual monitoring system and a power supply; the probe (2) is used for shooting dynamic and/or static images inside the inhaul cable anchor head and transmitting image signals to the visual monitoring system. Adopt the utility model discloses visual structure can adapt to the fixed demand of different environment in the anchor, can shoot the cable seal structure in like the operation state of anchor end through the visual monitoring system of cooperation, need not the measurement personnel to the on-the-spot observation record.
Description
Technical Field
The utility model relates to a bridge cable technical field specifically is a cable anchor head visual structure.
Background
The anchor head of the stay cable is a key part in the bridge, and the main beam and the bridge tower are connected through the part by the local concentrated force of the stay cable. In recent years, in order to realize the same service life as a bridge and avoid sudden damage of the bridge structure due to the consideration of performance degradation caused by aging, corrosion, sheath damage and insufficient maintenance faced by the bridge stress structure, the field of bridge health monitoring is rapidly developed, and the method is mainly a means for evaluating the safety of the structure by precisely monitoring various important performance indexes of the structure.
At present, the visual detection technology of the bridge cable anchor head is gradually mature, for example, patent CN105100726A discloses an inspection environment and a use method thereof. The device comprises a cylindrical probe, a video monitor and a host, wherein the probe is connected with the host through a cable, and the host is connected with the video monitor; the detector uses the small-size cylinder probe to stretch into the anchor head of the bridge cable, obtains the anchor head image of the cable, and observes the corrosion, damage or water seepage condition. But has the following disadvantages:
1. the inspection method can only obtain image information of one time point, is difficult to monitor the whole life cycle of the stay cable anchor head, cannot carry out early warning and maintenance on the corrosion environment of the anchor head in time, cannot reach the same service life as a bridge, cannot judge the specific time of corrosion, damage or water seepage of the anchor head, simultaneously lacks process records, lacks judgment basis for later maintenance measures, and causes the increase of later maintenance times and cost.
2. The protective covers are generally arranged outside the anchor heads for extra protection, a probe is difficult to directly observe without disassembling the protective covers, and part of the bridge inhaul cable anchor heads are positioned at the bottom of a beam, so that a detector cannot directly extend the probe to the inhaul cable anchor heads from a bridge floor and can only reach the anchor heads by means of a bridge inspection vehicle, and a large amount of manpower and material resources are consumed;
3. because the most critical stressed assembly steel wire outer layer of the inhaul cable is protected by a sealing cylinder, HDPE and the like, the method cannot directly detect the steel wire and lacks the most critical ring. And the angle of the inspection environment is difficult to regulate and control when the probe extends into the anchor head, so that inconvenience and difficulty exist in use, and the monitoring efficiency and the monitoring result are influenced.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned current defect, the utility model provides a visual structure of cable anchor head, the probe can adapt to the fixed demand of different environment in the anchor, can shoot the cable seal structure in like the operation state of anchor end through the visual monitoring system of cooperation, need not the measurement personnel to the on-the-spot observation record.
In order to realize the purpose of the utility model, the technical scheme of the utility model is as follows:
a visual structure of an anchor head of a guy cable comprises the anchor head, a probe and a cable, wherein the probe is coupled in the anchor head, the probe is connected with one end of the cable, and the other end of the cable is led out of the anchor head from the inside of the anchor head; the cable is used for being connected with the visual monitoring system and the power supply; the probe is used for shooting dynamic and/or static images inside the cable anchor head and transmitting image signals to the visual monitoring system.
Preferably, the probe is coupled in the anchor head through a fixing device, the fixing device comprises a support, a sliding seat and an annular hoop, the probe is clamped on the annular hoop, the support is fixed with the anchor head of the inhaul cable, the support is provided with a bolt hole, the sliding seat is provided with a nail passing hole matched with the bolt hole, and the sliding seat is transversely and rotatably connected with the support through a bolt; the sliding seat is further provided with a connecting block, and two tail ends of the annular hoop are vertically and rotatably connected with the connecting block through a middle shaft.
As another preferred mode, the probe is coupled in the anchor head through a fixing device, the fixing device comprises a bracket and a bolt, the bracket is fixed with the anchor head of the inhaul cable, and the probe is fixed on the bracket through the bolt.
Specifically, the bracket is fixed to the anchor head of the inhaul cable through screws, glue, welding or magnets.
In particular, the probe is coupled inside a protective cover of the anchor head.
In particular, the probe is coupled to a recessed interior location of the bottom end of the anchor head within the protective covering.
Specifically, the probe is provided with one or more probes for monitoring the inside of the anchor head in an all-around manner.
Specifically, the probe is provided with a luminous body.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses be provided with the probe at bridge cable anchor head, dynamic, the static image of cable anchor head can be acquireed to the probe, through internet data transmission, need not measurement personnel and to the on-the-spot observation record, can long-range visual control cable anchor head health status. The probe can be arranged in the protective cover or in the end part of the anchor head to judge whether water enters the steel wire or not and whether the inner end is sealed or not, and the evaluation of the corrosion degree and the service life of the steel wire can be judged by connecting an external image recognition system.
2. The utility model discloses a tight coupling of probe is at the anchor head of cable, and the cable is drawn forth the anchor head from the anchor head and is used for inserting visual monitoring system outward and provide the signal, has solved among the prior art anchor head outside and has the safety cover additional protection, and the probe is difficult to direct observation under the condition of not dismantling the safety cover to and the problem that the measurement personnel need examine the car with the help of the bridge and could reach.
3. The fixing device of the utility model adopts an independent adjustable mode, and can independently adjust the shooting angle and the shooting height of the probe when being installed; can adapt to the shooting work of various different environmental spaces.
4. The utility model discloses can accomplish all-round monitoring and early warning through the aggregate erection of probe in different positions, the cooperative monitoring of different positions, improve monitoring efficiency, discover early, handle early, reduce the processing degree of difficulty and the economic cost in later stage.
Drawings
Fig. 1 is the utility model discloses a whole schematic diagram of visual structure of cable anchor head.
Fig. 2 is a schematic view of a fixing device according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of the probe coupled to the inner wall of the protective cover according to embodiment 3 of the present invention.
In the figure, 1-stay cable; 2-a probe; 7-a scaffold; 8-a slide seat; 9-an annular hoop; 10-bolt; 11-connecting blocks; 12-the medial axis; 13-a cable; 14-protective cover.
Detailed Description
In order to explain the technical content, the achieved objects and the effects of the present invention in detail, the following description is made in conjunction with the embodiments and the accompanying drawings.
Example 1
As shown in fig. 1, the utility model provides a cable anchor head visualization structure, which comprises a cable 1, an anchor head of the cable and a probe 2, wherein the probe 2 is coupled in the anchor head, and a cable 13 of the probe 2 is led out of the anchor head from the anchor head and is used for being connected with a visualization monitoring system and a power supply; the probe 2 is provided with a light-emitting body without limitation of an LED or a light-emitting diode, the light-emitting body can illuminate the dark environment in the anchor head in the working state, and the probe 2 can shoot dynamic and/or static images inside the cable anchor head and provide signals for a visual monitoring system outside the anchor head. The anchor head is outside generally to have the extra protection of safety cover 14, and the staff can utilize the coupling to directly observe at the probe 2 of anchor head under the condition of not dismantling safety cover 14, has solved current probe 2 and has needed the staff to insert the inside problem that carries out image monitoring of anchor head, has improved monitoring efficiency.
Wherein, as shown in fig. 2, probe 2 passes through fixing device coupling in the anchor head, fixing device includes support 7, slide 8 and annular clamp 9, support 7 is fixed with the anchor head of cable, and the probe 2 of this embodiment is installed inside the safety cover 14 of the lower extreme in fig. 1, and its main monitoring cable anchor head outside corrosion, infiltration, the condition such as grease drops will produce crucial influence to the life of cable. This safety cover 14 is in the bottom of the beam, if use bayonet probe, the detection personnel need examine the car with the help of the bridge and can arrive, influence work efficiency, adopt the coupled probe 2 of this embodiment, the condition at this position of simple monitoring fast. The image data is provided for the sealing failure process through the front-back comparison of the images, so that the later waterproof sealing is better. The bracket 7 can be fixed on the anchor head of the inhaul cable through screws, glue, welding or magnets; the probe 2 is clamped on an annular hoop 9, a bolt hole is formed in the support 7, a nail passing hole matched with the bolt hole is formed in the sliding seat 8, and the sliding seat 8 is transversely and rotatably connected with the support 7 through a bolt 10; the sliding seat 8 is further provided with a connecting block 11, and two tail ends of the annular hoop 9 are vertically and rotatably connected with the connecting block 11 through a middle shaft 12. During installation, the bolt 10 is loosened through rotation, the angle of the sliding seat 8 is rotated, the sliding seat 8 drives the probe 2 to rotate transversely, the shooting angle of the probe 2 is adjusted, and the shooting angle of the probe 2 is locked through screwing the bolt 10; through the articulated angle drive probe 2 vertical rotations of adjustable annular clamp 9, be used for the adjustment the shooting height of probe 2 consequently can adapt to the shooting work in various different environment spaces in the anchor head, reaches the utility model discloses a purpose.
Example 2
The difference between this embodiment and embodiment 1 lies in, the probe 2 of this embodiment is installed in the sunken inside position of anchor head bottom in the safety cover 14 of attached drawing 1, and its inside ponding that has caused of steel wire of main monitoring cable causes the corruption of steel wire to ensure that the steel wire is in good environment, also can provide image data for the sealing failure process through the front and back contrast of image simultaneously, so that the waterproof sealing in later stage does better.
Example 3
The difference between this embodiment and embodiment 1 is that, as shown in fig. 3, the probe 2 is coupled to the inner wall of the protective cover 14 through a fixing device, the fixing device includes a bracket 7 and a bolt 10, the bracket 7 is coupled to the protective cover 14 in a factory, and the probe 2 is fixed after the observation position and the angle are adjusted, and the whole set of device can be directly installed on the site, and is suitable for the situation that the shooting position is relatively fixed, the construction is convenient, and a common installer can install the whole set of visual structure.
In addition to the above embodiments, the probe 2 may be disposed at a plurality of places inside and outside the anchor head, and the position detection may be performed by individual selection or combination selection according to the difference of maintenance management. The combination selection can lead the preventive treatment measures to be carried out in advance, and reduce the construction difficulty and the maintenance cost. The monitoring of all aspects of the steel wire and the anchorage device can be realized, and the inhaul cable is ensured to be always in a better environment.
The working flow and principle of the above embodiment are as follows:
firstly, manufacturing a stay cable anchor head, and then manufacturing a fixing device by matching with the size of a closed space in the anchor head; the probe 2 is arranged in the inner specific position of the anchor head through a fixing device, and a cable 13 of the probe is led out of the anchor head; if the cable 13 passes through the anchor head device, sealing treatment is needed; the cable 13 of probe 2 connects outside visual monitoring system and power, and the power supplies power for probe 2 and luminous body, and probe 2 provides image data for visual monitoring system through cable 13 to show on visual detecting system's graphical interface, be used for the needs of work such as observation, analysis, comparison.
Although the invention has been described in detail and with reference to specific embodiments thereof, it will be apparent to one skilled in the art that modifications and improvements can be made thereto. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. The utility model provides a visual structure of cable anchor head which characterized in that: the device comprises an anchor head, a probe (2) and a cable (13), wherein the probe (2) is coupled in the anchor head, the probe (2) is connected with one end of the cable (13), and the other end of the cable (13) is led out of the anchor head from the inside of the anchor head; the cable (13) is used for connecting with a visual monitoring system and a power supply; the probe (2) is used for shooting dynamic and/or static images inside the inhaul cable anchor head and transmitting image signals to the visual monitoring system.
2. A cable anchor head visualization structure as recited in claim 1, wherein: the probe (2) is coupled in the anchor head through a fixing device, the fixing device comprises a support (7), a sliding seat (8) and an annular clamp (9), the probe (2) is clamped on the annular clamp (9), the support (7) is fixed with the anchor head of the inhaul cable, the support (7) is provided with a bolt hole, the sliding seat (8) is provided with a nail passing hole matched with the bolt hole, and the sliding seat (8) is transversely connected with the support (7) in a rotating mode through a bolt (10); the sliding seat (8) is further provided with a connecting block (11), and two tail ends of the annular hoop (9) are vertically and rotatably connected with the connecting block (11) through a middle shaft (12).
3. A cable anchor head visualization structure as recited in claim 1, wherein: the probe (2) is coupled in the anchor head through a fixing device, the fixing device comprises a support (7) and a bolt (10), the support (7) is fixed with the anchor head of the inhaul cable, and the probe (2) is fixed on the support (7) through the bolt (10).
4. A cable anchor head visualization structure as recited in claim 2 or 3, wherein: the support (7) is fixed on the anchor head of the inhaul cable through screws, glue, welding or magnets.
5. A cable anchor head visualization structure as recited in any one of claims 1 to 3, wherein: the probe (2) is coupled inside a protective cover (14) of the anchor head.
6. A cable anchor head visualization structure as recited in claim 4, wherein: the probe (2) is coupled to a recessed interior location of the anchor head bottom end within the protective cover (14).
7. A cable anchor head visualization structure as recited in claim 1, wherein: one or more probes (2) are arranged.
8. A cable anchor head visualization structure as recited in claim 1, wherein: the probe (2) is provided with a luminous body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020708687.5U CN212137815U (en) | 2020-04-30 | 2020-04-30 | Visual structure of cable anchor head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020708687.5U CN212137815U (en) | 2020-04-30 | 2020-04-30 | Visual structure of cable anchor head |
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| CN212137815U true CN212137815U (en) | 2020-12-11 |
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| CN202020708687.5U Active CN212137815U (en) | 2020-04-30 | 2020-04-30 | Visual structure of cable anchor head |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113737649A (en) * | 2021-08-19 | 2021-12-03 | 中铁十六局集团第五工程有限公司 | Bridge suspension cable tensioning device |
-
2020
- 2020-04-30 CN CN202020708687.5U patent/CN212137815U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113737649A (en) * | 2021-08-19 | 2021-12-03 | 中铁十六局集团第五工程有限公司 | Bridge suspension cable tensioning device |
| CN113737649B (en) * | 2021-08-19 | 2023-03-14 | 中铁十六局集团第五工程有限公司 | Bridge suspension cable tensioning device |
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