CN115420870A

CN115420870A - Steel wire rope detection device

Info

Publication number: CN115420870A
Application number: CN202210968109.9A
Authority: CN
Inventors: 张继旺; 丁克勤; 胡亚男
Original assignee: China Special Equipment Inspection and Research Institute
Current assignee: China Special Equipment Inspection and Research Institute
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2022-12-02
Anticipated expiration: 2042-08-12
Also published as: CN115420870B

Abstract

The invention relates to the field of detection equipment, in particular to a steel wire rope detection device which comprises a travelling part and an anti-falling part, wherein the anti-falling part comprises an anti-falling part frame body and a primary anti-falling mechanism; the primary anti-falling mechanism comprises an anti-falling wheel, an anti-falling wheel bracket and a primary centrifugal mechanism; the anti-falling wheel is rotationally connected with the anti-falling wheel bracket and is in contact with the steel wire rope, and the anti-falling wheel bracket is connected with the anti-falling part frame body; the primary centrifugal mechanism comprises a primary connecting plate, a primary centrifugal block, a primary spring and a primary buckle; the first-stage connecting plate is connected with the anti-falling wheel and rotates along with the anti-falling wheel; the first-stage centrifugal block is hinged with the first-stage connecting plate, one end of the first-stage spring is connected with the first-stage centrifugal block, and the other end of the first-stage spring is connected with the connecting plate; the first-stage buckle is connected with the anti-falling wheel bracket and used for limiting the rotation of the anti-falling wheel after being clamped with the first-stage centrifugal block. The invention can directly control the safety gear to brake by using the relative speed of the steel wire rope and the detection device.

Description

Steel wire rope detection device

Technical Field

The invention relates to the field of detection equipment, in particular to a steel wire rope detection device.

Background

The steel wire rope is widely applied to lifting, traction, tensioning, bearing and other equipment due to the special effects of high strength, light dead weight, strong working reliability and the like. However, since the steel wire rope may be damaged internally after a long period of use, flaw detection of the steel wire rope is required.

Application number 202110836548.X discloses an intelligence wire rope climbing robot of detecting a flaw with formula anti-falling system is inhaled to magnetism, utilizes magnetism to inhale formula anti-falling system and can carry out the brake-stop under the overspeed state in this patent, makes the robot stop to remove under unusual operating condition, improves the security. However, in this patent, the traveling speed needs to be detected by a speed sensor, and direct braking cannot be performed according to the relative speed of the wire rope and the detection device, and the reliability of braking control depends on the sensitivity of the speed sensor.

Disclosure of Invention

In order to solve the technical problems, the invention provides a steel wire rope detection device, which can be directly braked and stopped according to the relative speed of a steel wire rope and the detection device when the steel wire rope is in an overspeed state without depending on the sensitivity of a speed sensor.

A steel wire rope detection device comprises a travelling part and an anti-falling part, wherein the travelling part is used for driving a steel wire rope to move, and the anti-falling part is connected with the travelling part; the anti-falling part comprises an anti-falling part frame body and at least two primary anti-falling mechanisms which are oppositely arranged; the primary anti-falling mechanism comprises an anti-falling wheel, an anti-falling wheel bracket and a primary centrifugal mechanism;

the anti-falling wheel is rotationally connected with the anti-falling wheel bracket and is in contact with the steel wire rope, and the anti-falling wheel bracket is connected with the anti-falling part frame body;

the primary centrifugal mechanism comprises a primary connecting plate, a primary centrifugal block, a primary spring and a primary buckle; the first-stage connecting plate is connected with the anti-falling wheel and rotates along with the anti-falling wheel; the first-stage centrifugal block is hinged with the first-stage connecting plate, one end of the first-stage spring is connected with the first-stage centrifugal block, and the other end of the first-stage spring is connected with the connecting plate; the first-stage buckle is connected with the anti-falling wheel bracket and used for limiting the rotation of the anti-falling wheel after being clamped with the first-stage centrifugal block.

Furthermore, the anti-falling wheel bracket comprises a fixed arm, an anti-falling wheel fixing frame and an anti-falling wheel push rod; the fixed arm is hinged with the anti-falling part frame body, and the anti-falling wheel fixing frame is connected with the fixed arm and used for mounting an anti-falling wheel; prevent weighing down wheel push rod one end and fixed arm are articulated, and the other end is connected with the portion support body of preventing weighing down, prevent weighing down wheel push rod and promote the fixed arm and rotate around the pin joint.

Furthermore, the anti-falling part also comprises a secondary anti-falling mechanism; the secondary anti-falling mechanism comprises a safety gear mechanism, a locking mechanism and a starting mechanism;

the safety gear mechanism comprises two groups of safety gear components and a safety gear driving device which are oppositely arranged; the safety gear assembly comprises safety gear sliding tables and safety gear sliding blocks, the two safety gear sliding tables are oppositely arranged, the gap is gradually reduced, and the safety gear sliding blocks are connected with the safety gear sliding tables in a sliding mode; the safety gear driving device drives the safety gear sliding table to move along the direction from large to small of the gap;

the locking mechanism comprises a hook and a locking hook; the hook is connected with the safety gear driving device, and the locking hook is hinged with the anti-falling part frame body; when the hook is locked with the locking hook, the safety sliding table is prevented from moving;

the starting mechanism comprises a starting wheel, a starting wheel bracket, a secondary centrifugal mechanism, a first safety oil cylinder and a second safety oil cylinder; the starting wheel is rotationally connected with a starting wheel bracket, and the starting wheel bracket is connected with the anti-falling part frame body; the secondary centrifugal mechanism comprises a secondary connecting plate, a secondary centrifugal block, a secondary spring and a rotating block; the secondary connecting plate is connected with the starting wheel and rotates along with the starting wheel; the secondary centrifugal block is hinged with the secondary centrifugal plate, one end of the secondary spring is connected with the secondary centrifugal block, and the other end of the secondary spring is connected with the connecting plate; the rotating block is rotatably connected with the starting wheel bracket, and a secondary buckle is arranged on one side surface of the rotating block; the second-stage buckle is used for driving the rotating block to rotate after being clamped with the second-stage centrifugal block; the piston end of the first safety oil cylinder is hinged with the rotating block; the second safety oil cylinder is communicated with the first safety oil cylinder, and the piston end is hinged to the locking hook.

Furthermore, the safety gear driving device comprises a pulling plate, a telescopic rod and a safety gear spring; one end of the pulling plate is hinged with the safety gear sliding block, and the other end of the pulling plate is hinged with the telescopic rod; the both ends of safety tongs spring are connected with the both ends of telescopic link respectively, have the elasticity that drives safety tongs slip table along the direction removal from big to little in the clearance.

Further, the number of the advancing parts is two groups; the traveling part comprises a traveling cylinder, a traveling part frame body and at least two groups of mechanical claw assemblies which are oppositely arranged; one end of the walking cylinder is connected with the advancing part frame body, and the other end of the walking cylinder is connected with the anti-falling part frame body; the mechanical claw assembly comprises a claw arm, a traveling part tension spring, a push arm and a traveling part push rod; the claw arm is hinged with the advancing part frame body; one end of the advancing part tension spring is connected with one end of the claw arm, the other end of the advancing part tension spring is connected with the advancing part frame body, and the advancing part tension spring has elasticity which enables the other end of the claw arm to clamp the steel wire rope; the push arm is positioned below the claw arm and is connected with the advancing part frame body in a manner of moving towards the claw arm; one end of the advancing part push rod is connected with the push arm, the other end of the advancing part push rod is connected with the advancing part frame body, and when the advancing part push rod drives the push arm to move towards the direction of the claw arm, the claw arm is jacked up to enable the claw arm to rotate around the hinged point of the claw arm, so that the steel wire rope is loosened.

Further, the device also comprises a shell; the shell comprises a first shell and a second shell, and a gap extending along the axial direction is formed in the first shell;

the advancing part frame body comprises an advancing part fixing part, an advancing part rotating part and a rotary driving motor; the advancing part fixing part is C-shaped and is connected with a rotary driving motor; the advancing part rotating component is C-shaped and is connected with the advancing part fixing component in a manner of rotating around the axis of the advancing part rotating component; the rotary driving motor is connected with the advancing part rotating component and drives the advancing part rotating component to rotate relative to the advancing part fixing component;

the first housing is connected to the traveling section fixing member; the second housing is connected to the traveling section rotating member and rotates with the traveling section rotating member.

Further, the cleaning device also comprises a cleaning part; the cleaning part comprises a cleaning part frame body and at least two groups of cleaning mechanisms which are oppositely arranged; the cleaning part frame body is connected with the anti-falling part frame body; the cleaning mechanism comprises a cleaning wheel, a cleaning wheel bracket, a water tank and a water pumping device; the cleaning wheel is rotationally connected with the cleaning wheel bracket; the cleaning wheel bracket is connected with the cleaning part bracket body; the water tank is communicated with the water pumping device, and the cleaning wheel is connected with fan blades which extend into the water pumping device; the water pumping device is connected with a spray head, and the fan blades pump water in the water pumping device out of the spray head when rotating along with the cleaning wheel.

Further, the device also comprises a detection part; the detection part comprises a detection part frame body and a detection mechanism; the detection part frame body is connected with the cleaning part frame body; the detection mechanism comprises a mounting frame, a connecting column, a magnetic flux leakage sensor, a detection part spring and a detection part push rod; the mounting rack is connected with a connecting column, and the connecting column is movably connected with the detection part rack body; the magnetic leakage sensor is arranged on the mounting frame, one end of the detection part spring is connected with the mounting frame, the other end of the detection part spring is connected with the detection part frame body, and the detection part spring has elasticity which enables the magnetic leakage sensor to be close to the steel wire rope; one end of the detection part push rod is connected with the detection part frame body, and the other end of the detection part push rod is connected with the mounting frame.

Further, the device also comprises a marking device; the marking device comprises a signal receiving device and a paint spraying device; the signal receiving device is used for receiving signals of the magnetic leakage sensor, and the paint spraying device is used for spraying paint to the surface of the steel wire rope according to the signals of the magnetic leakage sensor.

Further, the device comprises a moving part, an anti-falling part, a cleaning part, a detection part, an anti-falling part and a moving part which are sequentially and flexibly connected.

Has the advantages that: 1. according to the steel wire rope detection device provided by the invention, the steel wire rope is utilized to drive the anti-falling wheel to rotate, when the relative speed between the steel wire rope and the detection device is in an overspeed state, the rotating speed of the rotating wheel is increased, so that the centrifugal force of the first-stage centrifugal block is greater than the tensile force of the first-stage spring, and the anti-falling wheel is locked by being clamped with the first-stage buckle, so that the steel wire rope is braked and stopped; the brake can be directly braked and stopped according to the relative speed of the steel wire rope and the detection device, and the sensitivity of equipment such as a sensor is not required to be relied on.

2. According to the steel wire rope detection device provided by the invention, the steel wire rope is utilized to drive the starting wheel to rotate, the centrifugal force of the secondary centrifugal block is larger than the pulling force of the secondary spring in an overspeed state, so that the rotating block is driven to rotate to extrude the first safety oil cylinder, the first safety oil cylinder drives the second safety oil cylinder to move, the locking hook and the hook are unlocked, and the safety tongs are released to further brake; the relative speed of the steel wire rope and the detection device is used for directly controlling the safety gear to brake, so that the reliability of braking is further improved.

3. According to the steel wire rope detection device provided by the invention, the two advancing parts are matched with each other to creep, so that the advancing and retreating movement of the detection device can be realized, and when one advancing part is in a relaxed state, the other advancing part is in a clamped state, so that the relative stability between the detection device and the steel wire rope is ensured, and the reliability of the detection device is improved.

4. According to the steel wire rope detection device provided by the invention, the first shell and the second shell of the C-shaped structure are driven to rotate relatively by the fixed part of the advancing part and the rotating part of the advancing part, the second shell can be rotated when a steel wire rope is placed, and the steel wire rope is directly placed into a gap of the first shell, so that the steel wire rope detection device is convenient and fast; when detecting, the second shell can be rotated to seal the gap of the first shell, and protection is provided for the steel wire rope and the structure in the detection device.

5. According to the steel wire rope detection device provided by the invention, the steel wire rope can drive the cleaning wheel to rotate, so that water in the water tank is sprayed to the surface of the steel wire rope to clean the steel wire rope; and the relative movement of the steel wire rope and the detection device is utilized to control the cleaning wheel to rotate, so that the steel wire rope is cleaned when moving and is not cleaned when stopping, and repeated cleaning of a certain area after the steel wire rope stops moving is avoided.

Drawings

FIG. 1 is an isometric view of a detection device;

FIG. 2 is an axial cross-sectional view of the sensing device;

FIG. 3 is a schematic view of FIG. 2 with the housing removed;

FIG. 4 is a schematic view of the whole structure of the falling-preventing part;

FIG. 5 is a schematic view of a primary fall arrest mechanism;

FIG. 6 is an overall schematic view of a primary centrifugal mechanism and a fall arrest wheel support;

FIG. 7 is an exploded view of the primary centrifugal mechanism and the fall arrest wheel support;

FIG. 8 is a schematic view of a secondary centrifugal mechanism;

FIG. 9 is a schematic front view of a secondary centrifugal mechanism;

FIG. 10 is a side schematic view of the secondary fall arrest mechanism;

FIG. 11 is a schematic view of a latch mechanism;

FIG. 12 is an exploded schematic view of a secondary centrifugal mechanism;

FIG. 13 is a schematic view of a second latch;

FIG. 14 is a schematic view of the structure of the traveling part;

FIG. 15 is a schematic view of two oppositely disposed robotic gripper assemblies;

FIG. 16 is a schematic view of the cleaning part;

FIG. 17 is a schematic view of the arrangement of four cleaning mechanisms;

FIG. 18 is a schematic view of a single cleaning mechanism;

FIG. 19 is a schematic view of a detecting section;

FIG. 20 is a schematic view of a detection mechanism;

FIG. 21 is an exploded view of the traveling section frame;

FIG. 22 is an exploded view of the fall arrest portion;

FIG. 23 is an exploded view of the cleaning section;

fig. 24 is an exploded view of the detection unit.

Reference numerals: 1. a detection unit; 2. a cleaning section; 3. a fall preventing part; 4. a traveling section; 5. a first housing; 6. a second housing; 7. a marking device; 8. a wire rope;

11. a detection part frame body; 12. a detection mechanism;

111. a detection part fixing member; 112. a detection part rotating component;

121. a mounting frame; 122. connecting columns; 123. a magnetic flux leakage sensor; 124. a detection part spring; 125. a detection part push rod;

21. a cleaning part frame body; 22. a cleaning mechanism;

211. a cleaning part fixing member; 212. a cleaning part rotating part;

221. cleaning the wheel; 222. cleaning the wheel bracket; 223. a water tank; 224. a water pumping device; 225. a spray head; 226. a fan blade;

31. the anti-falling part frame body; 32. the anti-falling wheel; 33. the anti-falling wheel bracket; 34. a first-stage centrifugal mechanism; 35. a safety clamp assembly; 36. a safety gear drive; 37. a starter wheel; 38. a starter wheel support; 39. a secondary centrifugal mechanism;

311. a fall preventing part fixing member; 312. a falling prevention part rotating part;

331. a fixed arm; 332. the anti-falling wheel fixing frame; 333. a falling prevention wheel push rod;

341. a first-level connecting plate; 342. a first-stage centrifugal block; 343. a primary spring; 344. a first-stage buckle;

351. a safety gear sliding table; 352. a safety gear slider; 353. hooking; 354. a locking hook;

361. pulling a plate; 362. a telescopic rod; 363. a safety gear spring;

391. a second-stage connecting plate; 392. a secondary centrifugal block; 393. a secondary spring; 394. rotating the block; 395. secondary buckling; 396. a first safety cylinder; 397. a second safety cylinder;

41. a traveling cylinder; 42. a traveling part frame body; 43. a mechanical jaw assembly;

421. a traveling part fixing member; 422. a traveling section rotating member; 423. a groove; 424. a ball bearing; 425. a protrusion; 426. teeth; 427. a rotation driving motor; 428. a first connection portion; 429. a second connecting portion;

431. a claw arm; 432. a traveling part tension spring; 433. a push arm; 434. a traveling section push rod; 435. a rubber block; 436. pushing the shaft;

51. a gap;

71. a signal receiving device; 72. a paint spraying device; 73. and a signal transmission device.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, 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 only a part of the embodiments of the present application, and 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

The embodiment provides a steel wire rope detection device for detecting a flaw of a steel wire rope 8, and braking can be carried out when overspeed occurs in the relative motion process of the steel wire rope 8 and the detection device, so that safety is guaranteed. Specifically, as described with reference to fig. 1 to 3, the detection device includes a traveling unit 4, a fall prevention unit 3, a cleaning unit 2, a detection unit 1, a fall prevention unit 3, and a traveling unit 4, which are flexibly connected in this order from one end to the other end. The traveling part 4 is used for driving the detection device to travel relative to the steel wire rope 8, the anti-falling part 3 is used for braking in an overspeed state, the cleaning part 2 is used for cleaning the surface of the steel wire rope 8 by spraying water and cleaning, and the detection part 1 is used for carrying out flaw detection on the steel wire rope 8.

Specifically, two anti-falling parts 3 are respectively arranged oppositely, and as shown in fig. 4, each anti-falling part 3 comprises an anti-falling part frame body 31, a primary anti-falling mechanism and a secondary anti-falling mechanism; the number of the first-stage anti-falling mechanisms is three, and the number of the second-stage anti-falling mechanisms is one; two groups of first-level anti-falling mechanisms are oppositely arranged, and the other group of first-level anti-falling mechanisms and the second-level anti-falling mechanisms are oppositely arranged.

Referring to fig. 5 and 6, the primary fall arrest mechanism includes a fall arrest wheel 32, a fall arrest wheel support 33 and a primary centrifugal mechanism 34. Prevent weighing down wheel support 33 and prevent weighing down a support body 31 and be connected, prevent weighing down wheel 32 and prevent weighing down wheel support 33 and be connected with rotating to prevent weighing down wheel 32 and 8 contacts with wire rope in the testing process, prevent weighing down wheel 32 by the drive of wire rope 8 and rotate. Referring to fig. 6 and 7, the primary centrifugal mechanism 34 includes a primary connecting plate 341, a primary centrifugal block 342, a primary spring 343, and a primary snap 344; the primary connecting plate 341 is coaxially arranged with the anti-falling wheel 32, is connected with the anti-falling wheel 32 and rotates along with the anti-falling wheel 32; four primary centrifugal blocks 342 which are arranged at equal angles are hinged on the primary connecting plate 341, and each primary centrifugal block 342 is connected with a convex block on the primary connecting plate 341 through a primary spring 343; four first-stage buckles 344 which are arranged at equal angles are arranged on the anti-falling wheel bracket 33, and the first-stage buckles 344 are positioned on the outer ring of the first-stage centrifugal block 342. The primary spring 343 has a certain pulling force, so that the anti-falling wheel 32 pulls the primary centrifugal block 342 at a normal rotation speed, and the primary centrifugal block 342 cannot be clamped with the primary buckle 344; however, when the steel wire rope 8 is in an overspeed state, the rotating speed of the anti-falling wheel 32 is driven to exceed the normal rotating speed, the centrifugal force of the primary centrifugal block 342 is increased to overcome the pulling force of the primary spring 343 and rotate outwards, so that the anti-falling wheel 32 is blocked by the buckle, the friction force between the anti-falling wheel 32 and the steel wire rope 8 is increased, and the braking in the overspeed state is realized. The brake of the first-stage centrifugal mechanism 34 can be directly controlled by the relative movement speed of the steel wire rope 8 and the detection device, a speed sensor is not needed, the control complexity is reduced, and the control reliability is improved.

As a further improvement, the fall-preventing wheel bracket 33 comprises a fixed arm 331, a fall-preventing wheel fixing frame 332 and a fall-preventing wheel push rod 333; the fixing arm 331 is of an L-shaped structure, the middle portion of the fixing arm is hinged to the anti-falling portion support body 31, one end of the fixing arm is connected with the anti-falling wheel fixing frame 332, the other end of the fixing arm is connected with the anti-falling wheel push rod 333, and the anti-falling wheel fixing frame 332 is used for installing the anti-falling wheel 32 and the primary centrifugal mechanism 34. The fixed arm 331 is driven to rotate around the hinged point of the fixed arm through the anti-falling wheel push rod 333, the distance between the two opposite anti-falling wheels 32 can be adjusted, the steel wire rope 8 can be placed before the detection work is started, and the anti-falling wheel device can also adapt to steel wire ropes 8 with different diameters.

Referring to fig. 8 and 9, the secondary anti-falling mechanism comprises a safety gear mechanism, a locking mechanism and a starting mechanism. The safety gear mechanism comprises two sets of oppositely arranged safety gear assemblies 35, and a safety gear drive 36. The safety gear assembly 35 comprises a safety gear sliding table 351 and a safety gear sliding block 352, and the safety gear sliding table 351 is connected with the anti-falling part frame body 31; the two safety gear sliding tables 351 are arranged oppositely, and the gap between the two safety gear sliding tables 351 is gradually reduced. The surface that the safety gear slip table 351 is relative is equipped with the spout, be equipped with on the safety gear slider 352 with spout sliding fit's T type slider. The safety gear driving device 36 is used for driving the two safety gear sliding blocks 352 to move along the direction from large to small, so as to clamp the steel wire rope 8, and further braking is carried out to improve safety.

Referring to fig. 12 and 13, the actuating mechanism includes an actuating wheel 37, an actuating wheel bracket 38, a secondary centrifugal mechanism 39, a first safety cylinder 396 and a second safety cylinder 397. The starter wheel bracket 38 is connected with the falling prevention part bracket 31, the starter wheel 37 is rotatably connected with the starter wheel bracket 38, and during detection, the steel wire 8 contacts the starter wheel 37 to drive the starter wheel 37 to rotate. The second-stage centrifugal mechanism 39 includes a second-stage connecting plate 391, a second-stage centrifugal block 392, a second-stage spring 393, and a rotating block 394; the second-stage connecting plate 391 is coaxially arranged with the starting wheel 37 and connected with the starting wheel 37 to rotate along with the starting wheel 37; four secondary centrifugal blocks 392 which are arranged at equal angles are hinged on the secondary connecting plate 391, and each secondary centrifugal block 392 is connected with a lug on the secondary connecting plate 391 through a secondary spring 393. The side of the said starter wheel bracket 38 is provided with a mounting groove, the said rotary block 394 is rotatably arranged in the mounting groove, and the side of the rotary block 394 is provided with four equiangular secondary catches 395, the secondary catches 395 are located at the outer ring of the secondary centrifugal block 392. The secondary spring 393 has a certain elastic force, so that the starting wheel 37 pulls the secondary centrifugal block 392 at a normal rotating speed, and the secondary centrifugal block 392 cannot be clamped with the secondary buckle 395; however, when the speed of the cable 8 in the overspeed state drives the anti-falling wheel 32 to exceed the normal speed, the centrifugal force of the second centrifugal block 392 is increased to overcome the pulling force of the second spring 393 and rotate outwards, so that the centrifugal block is engaged with the second catch 395, and the rotating block 394 is driven to rotate.

With continued reference to fig. 10, the rotating block 394 is connected to the piston end of a first safety cylinder 396, and the first safety cylinder 396 is in communication with a second safety cylinder 397 through an oil conduit; the first safety cylinder 396 is installed on the starting wheel bracket 38, and the second safety cylinder 397 is installed on the falling preventive part frame 31. Referring to fig. 11, the latch mechanism includes a hook 353 and a locking hook 354, the hook 353 is connected to the safety gear driving device 36, and the locking hook 354 is hinged to the falling prevention portion frame 31 and hinged to the piston end of the second safety cylinder 397. When the relative speed between the steel wire rope 8 and the detection device is in a normal state, the hook 353 and the locking hook 354 are locked with each other to prevent the safety sliding table from moving, so that the safety gear assembly 35 is in a released state; in an overspeed state, the rotating block 394 rotates to compress the first safety cylinder 396, so that the first safety cylinder 396 supplies oil to the second safety cylinder 397, the piston end of the second safety cylinder 397 drives the locking hook 354 to rotate around the hinge point of the locking hook, the locking mechanism is unlocked, and the safety gear driving device 36 drives the safety gear sliding block 352 to move so as to lock the steel wire rope 8. The secondary braking can be directly carried out by utilizing the secondary anti-falling mechanism according to the relative travelling speed between the steel wire rope 8 and the detection device, and the reliability of braking control is further improved.

Specifically, referring to fig. 9, the safety gear driving device 36 includes a pulling plate 361, a telescopic rod 362 and a safety gear spring 363; one end of the pulling plate 361 is hinged with the safety gear sliding block 352, and the other end is hinged with the telescopic rod 362; one end of the telescopic rod 362 far away from the pulling plate 361 is connected with the anti-falling part frame body 31, and two ends of the safety gear spring 363 are respectively connected with two ends of the telescopic rod 362. The safety gear spring 363 always has a pulling force for pulling the telescopic rod 362 to be shortened, and after the locking mechanism is unlocked, the safety gear spring 363 pulls the telescopic rod 362 to be shortened, so that the safety gear sliding block 352 moves towards the direction of reducing the gap, and the steel wire rope 8 is clamped.

As a further improvement of this embodiment, referring to fig. 8, the structure and operation principle of the starter wheel bracket 38 are similar to those of the fall preventing wheel bracket 33, the distance between the starter wheel 37 and the fall preventing wheel 32 can be adjusted, so that the placement of the wire rope 8 before the start of the detection work can be facilitated, and the wire rope can be adapted to wire ropes 8 with different diameters.

Specifically, the two traveling units 4 are disposed opposite to each other, and as shown in fig. 14, the traveling units 4 include four traveling cylinders 41, a traveling unit frame 42, and four sets of robot claw assemblies 43. The walking cylinder 41 has one end connected to the advancing part frame 42 and the other end connected to the falling preventing part frame 31 via a spherical pair structure, so that the advancing part 4 is flexibly connected to the falling preventing part 3. Four sets of the mechanical claw assemblies 43 are arranged in pairs, which are opposite to each other, and exemplified by a set of the mechanical claw assemblies 43, as shown in fig. 15, the mechanical claw assemblies 43 include a claw arm 431, a traveling part tension spring 432, a push arm 433, and a traveling part push rod 434; the claw arm 431 is hinged to the traveling part frame 42, and has one end connected to the traveling part frame 42 via a traveling part tension spring 432 and the other end connected to a rubber block 435 for clamping the wire rope 8. The other end of the claw arm 431 is clamped to the wire rope 8 by the tension of the traveling section tension spring 432. The push arm 433 is located below the claw arm 431 and is movable in a direction toward or away from the claw arm 431 by a slide rod structure. A push shaft 436 is connected to the side surface of the claw arm 431; one end of the advancing part push rod 434 is connected with the advancing part frame body 42, the other end of the advancing part push rod 434 is connected with the push arm 433, the advancing part push rod 434 pushes the push arm 433 to move towards the claw arm 431, the push arm 433 pushes the push shaft 436 to enable the claw arm 431 to overcome the elastic force of the advancing part tension spring 432, the claw arm 431 is jacked up to enable the claw arm 431 to rotate around a hinge point of the claw arm 431, and therefore the steel wire rope 8 is loosened. The process of moving the two traveling units 4 is as follows (for convenience of explanation, the first traveling unit and the second traveling unit are hereinafter distinguished), and first, the wire rope 8 is clamped by the mechanical claw assembly 43 of the first traveling unit, the wire rope 8 is loosened by the mechanical claw assembly 43 of the second traveling unit, and the traveling cylinder 41 of the first traveling unit is shortened; secondly, the first advancing part loosens the steel wire rope 8, the second advancing part clamps the steel wire rope 8, and then the walking cylinder 41 of the first advancing part is restored to the original state, so that one-step walking is completed; the first step and the second step are alternately performed to realize the traveling of the wire rope 8. The provision of two oppositely arranged travelling portions 4 enables relative movement of the detection means and the wire rope 8 and also enables the direction of movement to be changed.

Specifically, referring to fig. 16, the cleaning part 2 includes a cleaning part frame 21 and four sets of cleaning mechanisms 22; the cleaning part frame body 21 is connected with the anti-falling part 3 through a spherical pair structure, so that the cleaning part 2 is flexibly connected with the anti-falling part 3. Referring to fig. 17, four sets of cleaning mechanisms 22 are arranged in pairs and in groups, and a set of cleaning mechanisms 22 is used for illustration, and referring to fig. 18, the cleaning mechanism 22 includes a cleaning wheel 221, a cleaning wheel support 222, a water tank 223 and a water pumping device 224; the cleaning wheel support 222 is connected with the cleaning part frame body 21, the cleaning wheel 221 is rotatably connected with the cleaning wheel support 222, and the cleaning wheel 221 contacts with the steel wire rope 8, and the cleaning wheel 221 is driven to rotate by the movement of the steel wire rope 8. The water pumping device 224 comprises a housing rotatably connected to the side of the cleaning wheel 221 and forming a liquid seal; a plurality of fan blades 226 are arranged on the side surface of the cleaning wheel 221, the fan blades 226 extend into the shell, and a spray head 225 is connected to the water pumping device 224, and the spray head 225 faces the steel wire rope 8 and is used for spraying water to the steel wire rope 8. The water tank 223 is installed on the cleaning part frame 21 and is communicated with the inside of the casing of the water pumping device 224, and when the steel wire rope 8 drives the cleaning wheel 221 to rotate, the fan blades 226 rotate along with the rotation of the cleaning wheel, so as to drive the water in the casing to spray to the steel wire rope 8.

As a further improvement of the embodiment, the structure and the working principle of the cleaning wheel bracket 222 are similar to those of the anti-falling wheel bracket 33, the distance between two opposite cleaning wheels 221 can be adjusted, the steel wire ropes 8 can be placed before the detection work is started, and the steel wire ropes 8 with different diameters can be adapted.

The cleaning part 2 can spray water to the surface of the steel wire rope 8 for cleaning along with the movement of the steel wire rope 8; because the advancing part 4 adopts an intermittent type proceeding mode, the steel wire rope 8 is not cleaned when not moving, the cleaning effect on the steel wire rope 8 is ensured, and the waste caused by repeated spraying when the steel wire rope 8 is not moving is avoided.

Specifically, referring to fig. 19, the device comprises two oppositely arranged detecting parts 1, wherein the detecting parts 1 comprise detecting part frames 11 and four detecting mechanisms 12; one end of the detection part frame body 11 is connected with the cleaning part 2 through a spherical pair structure, so that the detection part 1 and the cleaning part 2 are flexibly connected, and the other end of the detection part frame body is directly connected with the detection part frame body 11 of the other detection part 1. Referring to fig. 20, the detecting mechanism 12 includes a mounting bracket 121, a connecting post 122, a magnetic flux leakage sensor 123, a detecting part spring 124, and a detecting part push rod 125; the mounting bracket 121 is connected to the connection portion, and the connection column 122 is movably connected to the detection portion bracket body 11, so that the mounting bracket 121 can move toward a direction close to or away from the wire rope 8. The magnetic flux leakage sensor 123 is mounted on one side, close to the steel wire rope 8, of the mounting frame 121 and used for performing spring detection on the steel wire rope 8; one end of the detection part spring 124 is connected with the mounting frame 121, and the other end is connected with the detection part frame body 11, and the detection part spring 124 has an elastic force which enables the magnetic leakage sensor 123 to be close to the steel wire rope 8; one end of the detection part push rod 125 is connected to the detection part frame body 11, and the other end is connected to the mounting frame 121, so as to push the mounting frame 121 to approach or be away from the steel wire rope 8. In this embodiment, the detection means 12 of the two detection units 1 are arranged in an intersecting manner, that is, the detection means 12 of the two detection units 1 are circumferentially offset from each other, thereby increasing the flaw detection area.

In particular, the steel wire rope safety device further comprises a marking device 7, wherein the marking device 7 is arranged in one of the travelling parts 4 and is used for marking the damaged steel wire rope section. Referring to fig. 15 and 19, the marking device 7 includes a signal receiving device 71 and a painting device 72; the signal receiving device 71 is used for receiving a signal of the magnetic leakage sensor 123, and the paint spraying device 72 is used for spraying paint to the surface of the steel wire rope 8 according to the signal of the magnetic leakage sensor 123. The signal transmission device 73 transmits a signal between the signal receiving device 71 and the leakage magnetic sensor 123, and the signal transmission device 73 is attached to the detection unit frame body 11. When the magnetic flux leakage sensor 123 detects that the wire rope 8 is damaged, a signal is transmitted to the signal receiving device 71, and the paint spraying device 72 is controlled to spray paint on the wire rope 8, so that marking is performed.

As a further improvement of this embodiment, before the flaw detection of the wire rope 8, the wire rope 8 needs to be placed inside the detection device, and the wire rope 8 sequentially passes through the traveling units 4, the fall prevention unit 3, the cleaning unit 2, and the detection unit 1, so that how to place the wire rope 8 becomes a technical problem to be solved. In this embodiment, each part is provided as two parts that can rotate relative to each other, and when the wire rope 8 is laid, each part is rotated to form a gap, and when the wire rope is detected, each part is rotated to be closed.

Specifically, referring to fig. 21, the traveling unit 4 is described, in which the traveling unit frame body 42 includes one traveling unit fixing member 421, one traveling unit rotating member 422, and a rotary driving motor 427; the traveling portion fixing member 421 has a C-shaped structure with a notch, and the traveling portion rotating member 422 also has a C-shaped structure with a notch. The travel portion fixing member 421 is connected to three sets of gripper assemblies 43, and the travel portion rotating member 422 is connected to one set of gripper assemblies 43. The outer surface of the fixed part 421 is provided with a groove 423, the inside of the groove 423 is provided with a ball 424, the inner surface of the rotating part of the travelling part 4 is provided with a protrusion 425, and the protrusion 425 extends into the groove 423 to enable the rotating part 422 and the fixed part 421 to be connected in a relative rotating mode. The traveling part rotating member 422 is provided with teeth 426, the rotary driving motor 427 is connected to the traveling part fixing member 421, and a gear engaged with the teeth 426 of the traveling part rotating member 422 is connected to an output end thereof to drive the traveling part rotating member 422 and the traveling part fixing member 421 to rotate relatively.

Specifically, referring to fig. 22, the safety hook 3 is described, wherein the safety hook frame 31 includes a safety hook fixing member 311 and a safety hook rotating member 312 which are connected to each other so as to be relatively rotatable; the fall preventing portion fixing member 311 and the traveling portion fixing member 421 are each of a C-shaped structure having a notch corresponding to the traveling portion 4. The falling prevention part fixing part 311 is connected with two sets of one-level falling prevention mechanisms and a set of two-level falling prevention mechanisms, and the falling prevention part rotating part 312 is connected with a set of one-level falling prevention mechanisms. The structure and principle of the relative rotation between the falling preventive portion fixing member 311 and the falling preventive portion rotating member 312 are the same as those of the traveling portion 4, and therefore, the description thereof is omitted.

Specifically, referring to fig. 23, the cleaning unit 2 is described, wherein the cleaning unit frame body 21 includes a cleaning unit fixing member 211 and a cleaning unit rotating member 212 which are relatively rotatably coupled; the cleaning unit fixing member 211 and the cleaning unit rotating member 212 each have a C-shaped structure with a notch corresponding to the traveling unit 4. The cleaning part fixing part 211 is connected with three groups of cleaning mechanisms 22, and the cleaning part rotating part 212 is connected with one group of cleaning mechanisms. The structure and principle of the relative rotation between the cleaning section fixing member 211 and the cleaning section rotating member 212 are the same as those of the traveling section 4, and therefore, the description thereof is omitted.

Specifically, the detection unit 1 is described, and referring to fig. 24, the detection unit frame 11 includes a detection unit fixing member 111 and a detection unit rotating member 112 that are coupled to each other to be relatively rotatable; the detection unit fixing member 111 and the detection unit rotating member 112 each have a notched C-shaped configuration corresponding to the traveling unit 4. The detection part fixing member 111 is connected with three sets of detection mechanisms 12, and the detection part rotating member 112 is connected with one set of detection mechanisms 12. In this embodiment, two detecting parts 1 are provided, the first detecting part is provided with a structure for driving the detecting part fixing part 111 and the detecting part rotating part 112 to rotate relatively, and the driving detecting part fixing part 111 and the detecting part rotating part 112 in the second detecting part are respectively connected with the driving detecting part fixing part 111 and the detecting part rotating part 112 of the first detecting part 1 and move along with them. The structure and principle of the relative rotation between the detection section fixing member 111 and the detection section rotating member 112 are the same as those of the traveling section 4, and therefore, the description thereof is omitted.

Specifically, referring to fig. 1, the detection device further comprises a first housing 5 and a second housing 6; a gap 51 extending along the axial direction is arranged on the first shell 5; referring to fig. 2 and 21, the traveling unit fixing member 421 is provided with a first coupling portion 428, the first coupling portion 428 is coupled to the first housing 5, the traveling unit rotating member 422 is provided with a second coupling portion 429, and the second coupling portion 429 is coupled to the second housing 6. The first casing 5 and the second casing 6 are relatively rotated by the traveling section fixing member 421 and the traveling section rotating member 422, so that the gap 51 in the first casing 5 is exposed when the wire rope 8 is laid, and the gap 51 in the first casing 5 is closed by the second casing 6 during detection.

The process of detecting the steel wire rope 8 by the detection device provided by the embodiment comprises the following steps:

the rotary driving motor 427 drives the moving part fixing member 421 and the moving part rotating member 422 to rotate relatively and open, so that the notch on the moving part fixing member 421 is exposed, and the first casing 5 and the second casing 6 rotate along with the opening to expose the gap 51 on the first casing 5; correspondingly, the anti-falling part 3, the cleaning part 2 and the detection part 1 are respectively opened, and the steel wire rope 8 is directly placed in the detection device. Then, the driving unit 4, the fall preventing unit 3, the cleaning unit 2, and the detecting unit 1 are closed, and the first casing 5 and the second casing 6 are also closed relatively.

The advancing part 4 drives the detection device and the steel wire rope 8 to move relatively, and the specific process comprises the following steps: firstly, the mechanical claw assembly 43 of the first travelling part clamps the steel wire rope 8, the mechanical claw assembly 43 of the second travelling part loosens the steel wire rope 8, and then the travelling cylinder 41 of the first travelling part is shortened; secondly, the first advancing part loosens the steel wire rope 8, the second advancing part clamps the steel wire rope 8, and the walking cylinder 41 of the first advancing part 4 is restored to the original state, so that one-step walking is completed; and the first step and the second step are alternately performed to finish the walking of the steel wire rope 8.

When the wire rope 8 passes through the cleaning unit 2, the cleaning wheel 221 is rotated by the wire rope 8, so that the blades 226 spray water in the water jet device from the nozzle 225 to the wire rope 8, thereby cleaning the wire rope 8.

When the wire rope 8 passes through the detection unit 1, the wire rope 8 is detected by the magnetic flux leakage sensor 123, and when it is detected that the wire rope 8 is damaged, a signal is transmitted to the marking device 7, and the wire rope 8 is marked by painting by the marking device 7.

In the detection process, when the relative speed between the steel wire rope 8 and the detection device is over-speed due to the fact that the equipment is fixed or the equipment is not operated properly, the anti-falling wheel 32 is driven to rotate in an over-speed mode, the centrifugal force of the primary centrifugal block 342 is increased to overcome the tensile force of the primary spring 343 and rotate outwards, and therefore the anti-falling wheel is clamped with the buckle to prevent the anti-falling wheel 32 from rotating continuously, and braking in an over-speed state is achieved. Meanwhile, the starting wheel 37 is driven to rotate at an overspeed, so that the centrifugal force of the secondary centrifugal block 392 is increased to overcome the pulling force of the secondary spring 393 and rotate outwards, the secondary centrifugal block 395 is clamped with the secondary buckle, the rotating block 394 is driven to rotate, the locking device is unlocked, and the safety gear driving device 36 drives the safety gear sliding block 352 to move, so that the steel wire rope 8 is further locked.

The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several equivalent substitutions or obvious modifications can be made without departing from the spirit of the invention, and all the properties or uses are considered to be within the scope of the invention.

Claims

1. A steel wire rope detection device comprises a travelling part and an anti-falling part, wherein the travelling part is used for driving a steel wire rope to move, and the anti-falling part is connected with the travelling part; the anti-falling device is characterized in that the anti-falling part comprises an anti-falling part frame body and at least two primary anti-falling mechanisms which are oppositely arranged; the primary anti-falling mechanism comprises an anti-falling wheel, an anti-falling wheel bracket and a primary centrifugal mechanism;

the first-stage centrifugal mechanism comprises a first-stage connecting plate, a first-stage centrifugal block, a first-stage spring and a first-stage buckle; the primary connecting plate is connected with the anti-falling wheel and rotates along with the anti-falling wheel; the first-stage centrifugal block is hinged with the first-stage connecting plate, one end of the first-stage spring is connected with the first-stage centrifugal block, and the other end of the first-stage spring is connected with the connecting plate; the first-stage buckle is connected with the anti-falling wheel bracket and used for limiting the rotation of the anti-falling wheel after being clamped with the first-stage centrifugal block.

2. The steel wire rope detection device according to claim 1, wherein the fall prevention wheel support comprises a fixed arm, a fall prevention wheel fixed mount and a fall prevention wheel push rod; the fixed arm is hinged with the anti-falling part frame body, and the anti-falling wheel fixing frame is connected with the fixed arm and used for installing an anti-falling wheel; prevent weighing down wheel push rod one end and fixed arm are articulated, and the other end is connected with the portion support body of preventing weighing down, prevent weighing down wheel push rod and promote the fixed arm and rotate around the pin joint.

3. The apparatus according to claim 1, wherein the fall-preventing portion further comprises a secondary fall-preventing mechanism; the secondary anti-falling mechanism comprises a safety gear mechanism, a locking mechanism and a starting mechanism;

the starting mechanism comprises a starting wheel, a starting wheel bracket, a secondary centrifugal mechanism, a first safety oil cylinder and a second safety oil cylinder; the starting wheel is rotationally connected with a starting wheel bracket, and the starting wheel bracket is connected with the anti-falling part frame body; the secondary centrifugal mechanism comprises a secondary connecting plate, a secondary centrifugal block, a secondary spring and a rotating block; the second-stage connecting plate is connected with the starting wheel and rotates along with the starting wheel; the second-stage centrifugal block is hinged with the second-stage centrifugal plate, one end of the second-stage spring is connected with the second-stage centrifugal block, and the other end of the second-stage spring is connected with the connecting plate; the rotating block is rotatably connected with the starting wheel bracket, and a secondary buckle is arranged on one side surface of the rotating block; the second-stage buckle is used for driving the rotating block to rotate after being clamped with the second-stage centrifugal block; the piston end of the first safety oil cylinder is hinged with the rotating block; the second safety oil cylinder is communicated with the first safety oil cylinder, and the piston end is hinged to the locking hook.

4. The steel wire rope detection device according to claim 3, wherein the safety gear driving device comprises a pulling plate, a telescopic rod and a safety gear spring; one end of the pull plate is hinged with the safety gear slide block, and the other end of the pull plate is hinged with the telescopic rod; the two ends of the safety gear spring are respectively connected with the two ends of the telescopic rod, and the safety gear spring has elasticity for driving the safety gear sliding table to move along the direction from large to small of the gap.

5. The apparatus according to claim 1, wherein the number of the traveling portions is two; the advancing part comprises a walking cylinder, an advancing part frame body and at least two groups of mechanical claw assemblies which are oppositely arranged; one end of the traveling cylinder is connected with the traveling part frame body, and the other end of the traveling cylinder is connected with the anti-falling part frame body; the mechanical claw assembly comprises a claw arm, a travel part tension spring, a push arm and a travel part push rod; the claw arm is hinged with the advancing part frame body; one end of the advancing part tension spring is connected with one end of the claw arm, the other end of the advancing part tension spring is connected with the advancing part frame body, and the advancing part tension spring has elasticity which enables the other end of the claw arm to clamp the steel wire rope; the push arm is positioned below the claw arm and is connected with the advancing part frame body in a manner of moving towards the claw arm; one end of the advancing part push rod is connected with the push arm, the other end of the advancing part push rod is connected with the advancing part frame, and when the advancing part push rod drives the push arm to move towards the direction of the claw arm, the claw arm is jacked up to enable the claw arm to rotate around a hinged joint of the claw arm, so that the steel wire rope is loosened.

6. The apparatus according to claim 5, further comprising a housing; the shell comprises a first shell and a second shell, and a gap extending along the axial direction is formed in the first shell;

the advancing part frame body comprises an advancing part fixing component, an advancing part rotating component and a rotary driving motor; the advancing part fixing part is C-shaped and is connected with a rotary driving motor; the advancing part rotating component is C-shaped and is connected with the advancing part fixing component in a manner of rotating around the axis of the advancing part rotating component; the rotary driving motor is connected with the advancing part rotating component and drives the advancing part rotating component to rotate relative to the advancing part fixing component;

the first housing is connected to the traveling section fixing member; the second housing is connected to the traveling unit rotating member and rotates with the traveling unit rotating member.

7. The wire rope detection device according to claim 1, further comprising a cleaning portion; the cleaning part comprises a cleaning part frame body and at least two groups of cleaning mechanisms which are oppositely arranged; the cleaning part frame body is connected with the anti-falling part frame body; the cleaning mechanism comprises a cleaning wheel, a cleaning wheel bracket, a water tank and a water pumping device; the cleaning wheel is rotationally connected with the cleaning wheel bracket; the cleaning wheel bracket is connected with the cleaning part bracket body; the water tank is communicated with the water pumping device, and the cleaning wheel is connected with fan blades which extend into the water pumping device; the water pumping device is connected with a spray head, and the fan blades pump water in the water pumping device out of the spray head when rotating along with the cleaning wheel.

8. The wire rope detection device according to claim 7, further comprising a detection section; the detection part comprises a detection part frame body and a detection mechanism; the detection part frame body is connected with the cleaning part frame body; the detection mechanism comprises a mounting frame, a connecting column, a magnetic flux leakage sensor, a detection part spring and a detection part push rod; the mounting rack is connected with a connecting column, and the connecting column is movably connected with the detection part rack body; the magnetic leakage sensor is arranged on the mounting frame, one end of the detection part spring is connected with the mounting frame, the other end of the detection part spring is connected with the detection part frame body, and the detection part spring has elasticity which enables the magnetic leakage sensor to be close to the steel wire rope; one end of the detection part push rod is connected with the detection part frame body, and the other end of the detection part push rod is connected with the mounting frame.

9. A wireline testing device according to claim 8, further comprising marking means; the marking device comprises a signal receiving device and a paint spraying device; the signal receiving device is used for receiving a signal of the magnetic leakage sensor, and the paint spraying device is used for spraying paint to the surface of the steel wire rope according to the signal of the magnetic leakage sensor.

10. The steel wire rope detection device according to any one of claims 1 to 9, comprising a traveling part, a fall prevention part, a cleaning part, a detection part, a fall prevention part and a traveling part which are flexibly connected in sequence.