CN218496824U - Bridge main push-towing rope inside corrosion broken wire detection device - Google Patents
Bridge main push-towing rope inside corrosion broken wire detection device Download PDFInfo
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- CN218496824U CN218496824U CN202222357714.0U CN202222357714U CN218496824U CN 218496824 U CN218496824 U CN 218496824U CN 202222357714 U CN202222357714 U CN 202222357714U CN 218496824 U CN218496824 U CN 218496824U
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Abstract
The utility model relates to a bridge main cable internal corrosion broken wire detection device, which comprises an upper cover and a lower cover, wherein two walking wheels are rotatably arranged in the upper cover and the lower cover, motors are fixedly connected in the upper cover and the lower cover, and the motors are fixedly connected with one of the walking wheels; an adjusting part for adjusting the distance between the upper cover and the lower cover is arranged between the upper cover and the lower cover, and a detecting part for detecting whether the inside of the main cable is rusted is also arranged between the upper cover and the lower cover; the utility model discloses not only can carry out magnetism to the main push-towing rope and detect to judge the inside condition of main push-towing rope, and still accessible regulation upper cover and the distance between the lower cover let the walking wheel closely contradict with the main push-towing rope, thereby realized can carrying out the defect detection to the main push-towing rope of different diameters, application range is wider.
Description
Technical Field
The utility model relates to a check out test set technical field specifically is a disconnected silk detection device of inside corrosion of bridge main push-towing rope.
Background
The main bridge cable is used as a main bearing part of a bridge, has extremely important performance, is easy to rust and corrode and damage in the service process, and therefore the main bridge cable needs to be corroded and detected regularly;
magnetic detection methods are the mainstream detection methods in the prior art. The magnetic detection method is based on the ferromagnetic properties of the main cable. The main cable is magnetized by a permanent magnet excitation loop, and when the main cable moves relative to the excitation loop, a leakage magnetic field which leaks outwards can be generated at a fracture as long as a broken wire is encountered; if the total area of the metal section in the main cable is changed, the main magnetic flux in the excitation loop is changed. The method can carry out nondestructive detection, and the broken wire detection sensitivity is high;
through searching, the notice number is: CN 214845239U's chinese patent discloses a bridge main push-towing rope inside corrosion broken wire detection device, including test section and drive section, test section and drive section all are located the casing inboard, the H shape structure's that the drive section set up including the symmetry outrigger, outrigger's both ends department all symmetry is equipped with the gyro wheel that climbs, and one of them climbs the gyro wheel and is connected with the driving motor transmission in the casing outside, outrigger is equipped with fixing base and damper on being close to the terminal surface of casing inside respectively, damper is connected with the jacking motor transmission of locating the casing bottom surface. The utility model discloses in, fix the gyro wheel that climbs that lies in same one side through the outrigger, one of them outrigger passes through the fixing base simultaneously and fixes with the inner wall of casing, and another outrigger passes through damper and is connected with the transmission of jacking motor, can adjust the interval between two outriggers through jacking motor, and the unsmooth damper filtering that passes through on main push-towing rope surface simultaneously passes through, simultaneously through the realization that damper can be better.
This patent suffers from the following disadvantages: the distance between two movable shells can not be adjusted in this patent, so just can not adjust the distance between two piston shells according to the diameter of main push-towing rope, just can not realize climbing the gyro wheel and climb in the main push-towing rope cooperation of different diameters, and application range is narrower.
In conclusion, the application provides a bridge main cable inside corrosion broken wire detection device to solve the above-mentioned problem that appears.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bridge main push-towing rope inside corrosion disconnected silk detection device is in order to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: a bridge main cable internal corrosion wire breakage detection device comprises an upper cover and a lower cover, wherein two traveling wheels are rotatably mounted in the upper cover and the lower cover, motors are fixedly connected in the upper cover and the lower cover, and the motors are fixedly connected with one of the traveling wheels; be equipped with the adjusting part that is used for adjusting the distance between upper cover and the lower cover, still be equipped with the detection part that is used for detecting whether inside corrosion of main push-towing rope exists between upper cover and the lower cover.
Preferably, the adjusting part comprises a fixing plate fixedly connected to the outer portions of the upper cover and the lower cover, a threaded rod fixedly connected to the lower cover, and a nut block threadedly mounted on the threaded rod, and the threaded rod penetrates through and is slidably connected to the fixing plate on the upper cover.
Preferably, the fixed ring of fixedly connected with on the threaded rod, the cover is equipped with the spring on the threaded rod, the both ends of spring respectively with fixed ring and the fixed plate fixed connection who covers on.
Preferably, two walking wheels in the upper cover and the lower cover are fixedly connected with belt wheels, and the two belt wheels are in transmission connection through a belt.
Preferably, the detection component comprises an LF detection element, an excitation circuit and a pole piece.
Preferably, the outer wall of the walking wheel is provided with a plurality of groups of anti-skidding lines.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses not only can carry out magnetism to the main push-towing rope and detect to judge the inside condition of main push-towing rope, and go back the accessible and adjust the distance between upper cover and the lower cover, let the travelling wheel closely contradict with the main push-towing rope, thereby realized can carrying out the defect detection to the main push-towing rope of different diameters, application range is wider.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
fig. 2 is a schematic view of the front view cross-sectional structure of the present invention;
fig. 3 is a schematic top view of the upper cover of the present invention;
FIG. 4 is a schematic top view of the traveling wheel of the present invention;
fig. 5 is a schematic diagram of the detection of the detecting component of the present invention.
Reference numerals: 1. an upper cover; 2. a lower cover; 3. a traveling wheel; 4. a threaded rod; 5. a fixing ring; 6. a spring; 7. a nut block; 8. a fixing plate; 9. an excitation circuit; 10. a pole shoe; 11. an LF detection element; 12. a main cable.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an inside corrosion disconnected silk detection device of bridge main push-towing rope, including upper cover 1 and lower cover 2, all rotate in upper cover 1 and the lower cover 2 and install two walking wheels 3, the outer wall of walking wheel 3 is equipped with multiunit anti-skidding line, play anti-skidding effect, equal fixedly connected with motor in upper cover 1 and the lower cover 2, the motor is rather than 3 fixed connection of walking wheel of one of them, be used for the rotation of walking wheel 3, the realization is climbed on main push-towing rope 12, equal fixedly connected with band pulley on two walking wheels 3 in upper cover 1 and the lower cover 2, connect through belt transmission between two band pulleys, set up so, two walking wheels 3 can synchronous rotation in realizing upper cover 1 and the lower cover 2.
Further, an adjusting component for adjusting the distance between the upper cover 1 and the lower cover 2 is arranged between the upper cover 1 and the lower cover 2;
in order to realize not detecting main cable 12 of different diameters, in this application, include fixed connection at upper cover 1 and the outside fixed plate 8 of lower cover 2 with adjusting part, threaded rod 4 and the screw block 7 of threaded mounting on threaded rod 4 of fixed connection on lower cover 2, threaded rod 4 runs through and sliding connection is in fixed plate 8 on upper cover 1, rotate screw block 7 work, screw block 7 presses upper cover 1 and slides down, so can adjust the distance between upper cover 1 and the lower cover 2, so alright the walking wheel 3 on 1 upper cover and the walking wheel 3 on the lower cover 2 closely contradict main cable 12.
Further:
fixed ring 5 of fixedly connected with on threaded rod 4, the cover is equipped with spring 6 on threaded rod 4, and spring 6 plays the cushioning effect, at the both ends of spring 6 respectively with fixed ring 5 and the fixed plate 8 fixed connection on the upper cover 1, when upper cover 1 slides down, can compress spring 6, let upper cover 1 motion stability.
In the present application. A detection part for detecting whether the interior of the main cable 12 is rusted is arranged between the upper cover 1 and the lower cover 2, and the detection principle of the detection part is the prior art, and records are recorded in published "destructive nondestructive detection cable defect initial visit" Liuhong, liudebyu (bridge science research institute of the institute of bridge engineering, wuhan, 430034 in the department of railways);
and (3) referencing a website: https:// www.docin.com/p-1250116062.Html
The specific principle is as follows:
the detection part comprises an LF detection element 11, an excitation loop 9 and a pole shoe 10, and after the cable is magnetized by adopting a permanent magnet excitation loop 9, when the cable moves relative to the excitation loop 9, once a broken wire is encountered, a leakage magnetic field leaking outwards is generated at the position of a broken wire; if the total area of the metal section in the main cable 12 changes, the main magnetic flux in the excitation loop 9 changes, so that the internal condition of the main cable 12 can be obtained by measuring the change of the magnetic field.
In summary,
when the utility model is used, the upper cover 1 and the lower cover 2 are placed between the main cables 12, then the nut block 7 is rotated to work, the nut block 7 presses the upper cover 1 to slide downwards, so that the distance between the upper cover 1 and the lower cover 2 can be adjusted, and then the travelling wheels 3 on the upper cover 1 and the travelling wheels 3 on the lower cover 2 can tightly conflict with the main cables 12, so that cables with different diameters can be installed; then starting a motor to drive the travelling wheels 3 to rotate, so that the equipment climbs on the main cable 12, and then detecting the main cable 12 through a detection part;
the method comprises the following specific steps: after the permanent magnet excitation circuit 9 is adopted to magnetize the cable, when the cable moves relative to the excitation circuit 9, once the cable is broken, a leakage magnetic field which leaks outwards is generated at the broken part; if the total area of the metal section in the main cable 12 changes, the main magnetic flux in the excitation loop 9 changes, so that the internal condition of the main cable 12 can be obtained by measuring the change of the magnetic field.
The utility model discloses the standard part that uses all can purchase from the market, dysmorphism piece all can be customized according to the description with the record of attached drawing, the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, machinery, part and equipment all adopt among the prior art, conventional model, including circuit connection adopts conventional connected mode among the prior art, and the details are not repeated here, and the content that does not make detailed description in this description belongs to the prior art that expert technical personnel know in this field.
While embodiments of the invention have been shown and described, it will be apparent to those skilled in the art that the scope of the invention is defined by the appended claims and their equivalents.
Claims (6)
1. The utility model provides an inside corrosion disconnected silk detection device of bridge main push-towing rope which characterized in that: the multifunctional walking wheel device comprises an upper cover (1) and a lower cover (2), wherein two walking wheels (3) are rotatably arranged in the upper cover (1) and the lower cover (2), motors are fixedly connected in the upper cover (1) and the lower cover (2), and the motors are fixedly connected with one walking wheel (3); be equipped with the adjusting part that is used for adjusting distance between upper cover (1) and lower cover (2), still be equipped with the detection part that is used for detecting whether inside corrosion of main push-towing rope (12) exists between upper cover (1) and lower cover (2).
2. The bridge main cable internal corrosion broken wire detection device of claim 1, characterized in that: the adjusting part comprises a fixing plate (8) fixedly connected to the outer portions of the upper cover (1) and the lower cover (2), a threaded rod (4) fixedly connected to the lower cover (2) and a nut block (7) installed on the threaded rod (4) in a threaded mode, and the threaded rod (4) penetrates through the fixing plate (8) in sliding connection to the upper cover (1).
3. The bridge main cable internal corrosion broken wire detection device of claim 2, characterized in that: fixed ring (5) of fixedly connected with is gone up in threaded rod (4), the cover is equipped with spring (6) on threaded rod (4), the both ends of spring (6) respectively with fixed ring (5) and fixed plate (8) fixed connection on upper cover (1).
4. The bridge main cable internal corrosion broken wire detection device of claim 3, characterized in that: the upper cover (1) and the lower cover (2) are internally provided with two walking wheels (3) which are fixedly connected with belt wheels, and the two walking wheels are connected through a belt in a transmission way.
5. The bridge main cable internal corrosion broken wire detection device of claim 4, characterized in that: the detection component comprises an LF detection element (11), an excitation loop (9) and a pole shoe (10).
6. The bridge main cable internal corrosion broken wire detection device of claim 5, characterized in that: the outer wall of the walking wheel (3) is provided with a plurality of groups of anti-skid grains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222357714.0U CN218496824U (en) | 2022-09-05 | 2022-09-05 | Bridge main push-towing rope inside corrosion broken wire detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222357714.0U CN218496824U (en) | 2022-09-05 | 2022-09-05 | Bridge main push-towing rope inside corrosion broken wire detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218496824U true CN218496824U (en) | 2023-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222357714.0U Active CN218496824U (en) | 2022-09-05 | 2022-09-05 | Bridge main push-towing rope inside corrosion broken wire detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218496824U (en) |
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2022
- 2022-09-05 CN CN202222357714.0U patent/CN218496824U/en active Active
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