CN113030119B - Inspection device for damage condition of wire sheath - Google Patents
Inspection device for damage condition of wire sheath Download PDFInfo
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- CN113030119B CN113030119B CN202110233922.7A CN202110233922A CN113030119B CN 113030119 B CN113030119 B CN 113030119B CN 202110233922 A CN202110233922 A CN 202110233922A CN 113030119 B CN113030119 B CN 113030119B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/952—Inspecting the exterior surface of cylindrical bodies or wires
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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Abstract
The utility model provides a wire crust damage condition inspection device which characterized in that: the device comprises a sleeved shell for being sleeved on a wire to be tested, a centering clamping device for clamping the wire to be tested, a camera device capable of walking and arranged on a walking ring rail, and a displacement device arranged at the rear end of a rear mounting ring and walking on the wire to be tested, wherein the centering clamping device is arranged outside a limiting ring, and a driving device for providing power is further arranged on the displacement device. A machine vision inspection method for the damage condition of an electric wire sheath comprises the following steps: step 1, installing an image pickup device: step 1.1, a centering clamping device clamps a wire to be tested; step 1.2, installing a displacement device; step 2, the displacement inspection of the camera device: step 2.1, the displacement device positioned above acts; and 2.2, synchronously operating the displacement device positioned below.
Description
Technical Field
The application relates to the technical field of electric power, concretely relates to electric wire crust condition of damage inspection device.
Background
In an electric power system, the damage of the sheath of the electric wire is common damage, and the electric wire and the electric cable with the damaged sheath are easy to cause electric leakage accidents. Even a newly produced wire sheath may be damaged. It is necessary to check whether the sheath of the electric wire is intact or not. The conventional inspection method is to visually check whether the electric wire is damaged by an operator. There is also to shoot through the camera and make a video recording then compare the technical scheme of inspection, however because the electric wire outward appearance is the circumference shape, single camera can only shoot openly and can't shoot the reverse side, consequently need design a inspection device, can just can shoot that the circumference surface of electric wire covers completely through single camera to carry out subsequent analysis and comparison.
Disclosure of Invention
The utility model provides a wire crust damage condition inspection device which characterized in that: comprises a sleeving shell sleeved on a lead to be tested;
the sleeving shell comprises a rear mounting ring, an inner limiting ring arranged in front of the rear mounting ring, a fixed round rod uniformly distributed on the front end face of the inner limiting ring in the circumferential direction, a front mounting ring arranged in front of the fixed round rod, and a walking ring rail arranged in front of the front mounting ring, wherein a walking ring groove is formed in the inner edge of the walking ring rail;
the wire clamp device comprises a wire to be tested, a centering clamping device, a camera device and a displacement device, wherein the centering clamping device is arranged outside an inner limiting ring and used for clamping the wire to be tested, the camera device can be arranged on a walking ring rail in a walking mode, the displacement device is arranged at the rear end of a rear mounting ring and walks on the wire to be tested, and the displacement device is further provided with a driving device used for providing power.
As a further embodiment:
the centering and clamping device comprises:
the driving circular ring comprises a driving circular ring body which is rotatably arranged on the outer edge of the inner limiting ring, and movable circular rods which are circumferentially and uniformly distributed at the front end of the driving circular ring body and correspond to the fixed circular rods one by one;
further, roller grooves are uniformly distributed on the inner wall of the driving ring body in the circumferential direction, roller mandrels are arranged on the roller grooves in the front-back direction, roller bodies are rotatably arranged on the roller mandrels, and the near-center ends of the roller bodies are exposed out of the notches of the roller grooves and abut against the inner limiting ring;
the clamping swing arms correspond to the fixed round rods one by one, and each clamping swing arm comprises a swing arm body, a round rotating hole formed in the swing arm body and rotatably sleeved on the corresponding fixed round rod, and a strip-shaped jack formed at one end of the swing arm body, far away from the circle center of the rear mounting ring, and in plug-in fit with the movable round rod;
furthermore, an advancing wheel shaft is further formed at one end of the swing arm body close to the circle center of the rear mounting ring, and an advancing roller is rotatably arranged on the advancing wheel shaft.
Furthermore, centering clamping device still includes micromatic setting, micromatic setting is including the incomplete worm wheel of shaping in the initiative ring body outer wall, establishing the worm base of back collar front end face, the rotatable worm body of establishing at worm base front end and with incomplete worm wheel transmission contact.
The image pickup apparatus includes:
the sliding foundation is sleeved on the walking ring rail in a sliding manner, the sliding foundation is further provided with a limiting plug which is in plug-in fit with the walking ring groove, a first motor is further arranged at one end, away from the center of the rear mounting ring, of the sliding foundation, an output shaft of the first motor is connected with an output roller which is abutted to the walking ring rail, and a camera assembly is further arranged on the inner wall of the sliding foundation;
the displacement device includes:
the driving screw tube comprises two rotating bases, the two rotating bases are symmetrically arranged on the upper side and the lower side of the rear end of the rear mounting ring, a rotating channel in the vertical direction is formed on the rotating bases, a rotation stopping lug is formed on the inner wall of the rotating channel, an internal annular groove is formed on the inner wall of the rotating channel, the driving screw tube comprises a positive thread and negative thread internal thread tube, and an external convex ring matched with the internal annular groove is formed on the outer wall of the positive thread and negative thread internal thread tube;
the two sliding clamp arms are arranged, two sliding clamp arms are respectively arranged at two ends of the positive and negative thread internal thread pipe, each sliding clamp arm comprises an external thread rod screwed in the positive and negative thread internal thread pipe, a rotation stopping slideway formed on the outer wall of the external thread rod and matched with the rotation stopping lug, a clamp arm body formed on the right side of the outer end of the external thread rod, a slide rail insert strip formed at the right end of the clamp arm body, and a longitudinal slide rail arranged at the rear end of the rear mounting ring along the up-down direction, and a slide rail insert groove for accommodating the slide rail insert strip is formed in the longitudinal slide rail;
the walking elements are in one-to-one correspondence with the sliding clamp arms and comprise walking through holes which penetrate through the external thread rod along the left and right directions, a transmission cavity formed in the middle of the walking through holes, a walking shaft body which is rotatably arranged in the walking through holes, a driving conical pulley which is formed in the part, located in the transmission cavity, of the walking shaft body, a walking roller wheel formed at the right end of the walking shaft body, a roller wheel right hole formed at the right end of the walking roller wheel, and a fixed circular shaft which is formed at the right end of the clamp arm body and inserted into the roller wheel right hole;
furthermore, a first bearing is arranged between the left end of the walking roller and the external thread rod.
The transmission rotating shafts comprise transmission longitudinal holes which are arranged at one ends of the external thread rods far away from the clamp arm body and communicated with the transmission cavity, transmission shaft bodies which are rotatably arranged in the transmission longitudinal holes, and driven cone wheels which are formed in the transmission shaft bodies, are positioned in the transmission cavity and are in transmission connection with the driving cone wheels;
the rectangular inserted rod is formed at the lower end of the transmission shaft body positioned above the rectangular inserted rod;
the rectangular insertion hole is formed at the upper end of the transmission shaft body positioned below and is in transmission connection with the rectangular insertion rod;
the driving device is provided on the traveling element located above, the driving device including:
the small-diameter round cavity is arranged in the traveling shaft body, and a wide-diameter round cavity is formed in the part of the small-diameter round cavity, which is positioned in the traveling roller;
the driving screw is rotatably arranged in the small-diameter circular cavity, and a wide-diameter disc is formed at the part of the end part of the driving screw, which is positioned in the wide-diameter circular cavity;
the adjustable side holes are circumferentially and uniformly distributed on the left half part of the walking shaft body and are communicated with the small-diameter circular cavity;
the adjustable lantern ring is sleeved on the walking shaft body in a sliding way, radial inserting rods which are in one-to-one inserting fit with the adjustable side holes are uniformly distributed on the inner wall of the adjustable lantern ring in the circumferential direction, and threads which are in threaded fit with the driving screw rods are arranged at the near-center ends of the radial inserting rods;
the second motor is arranged on the left side of the far end of the external threaded rod, an output shaft of the second motor is connected with a driving disc, and the lower end face of the driving disc is in transmission connection with the adjustable lantern ring.
As a further embodiment, the first bearing is a thrust ball bearing or a tapered roller bearing.
As a further embodiment, a second bearing is formed between the fixed round shaft and the right hole of the roller.
As a further embodiment, the second bearing is a deep groove ball bearing.
Has the advantages that:
the present case an electric wire crust damaged condition inspection device can carry out the full coverage through single subassembly of making a video recording and shoot to the circumference of the wire that awaits measuring:
establish suit shell cover on the wire that awaits measuring, then use centering clamping device with the accurate centre gripping of electric wire at the center of suit shell, drive arrangement drives the displacement device action, the displacement device removes along the wire that awaits measuring, the subassembly of making a video recording still rotates round walking circular orbit when removing along the wire that awaits measuring, finally realizes the spiral antedisplacement, carries out the full coverage and shoots.
The present case an electric wire crust damaged condition inspection device, centering clamping device can realize accurate regulation:
due to the extremely large reduction ratio of the worm and gear structure, the incomplete worm gear, the driving ring body and the movable round rod can be driven to rotate by a small angle when the worm body is rotated, and the movable round rod acts on the strip-shaped insertion hole to drive the clamping swing arm to rotate by a small angle, so that the clamping swing arm can be accurately adjusted;
furthermore, the rotatable butt of the gyro wheel of marcing of centre gripping swing arm is on the wire that awaits measuring for centering clamping device does not influence as far as possible when centre gripping wire that awaits measuring the removal of inspection device along the wire that awaits measuring.
According to the inspection device for the damage condition of the sheath of the electric wire, the displacement device can enable the walking roller of the walking element to be in transmission contact with the to-be-detected wire by adjusting the positions of the pair of sliding clamping arms, and further drive the inspection device to move along the to-be-detected wire through the rotation of the walking roller;
further, displacement device's regulation is simple, accurate, does not influence moreover and detects the wire that awaits measuring:
the positive and negative internal thread pipes are positioned between the pair of active spiral pipes and exposed, so that a user can conveniently rotate the positive and negative internal thread pipes by hands, and the operation is simple;
furthermore, positive and negative internal thread pipe rotates a week, the distance of a pitch is removed to the external screw thread pole, makes the position of the arm lock that slides removes very accurately.
The present case an electric wire crust damage condition inspection device can also adjust drive ratio between drive arrangement and the displacement device:
rotate drive screw, wide footpath disc, the drive screw drive radial inserted bar, adjustable lantern ring move along adjustable side opening, adjust the position of drive disc and the actual contact point of adjustable lantern ring, and then adjust the effective driven radius of drive disc.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic diagram of the inspection device for inspecting the lead to be tested.
Fig. 2 is a cross-sectional view of one embodiment of the inspection device.
Fig. 3 is a cross-sectional view of another embodiment of the inspection device.
Fig. 4 is a schematic view of an embodiment enlarged at a portion a in fig. 2.
Fig. 5 is a schematic view of an enlarged portion a of fig. 2 according to another embodiment.
Figure 6 is a cross-sectional view of one embodiment of section B-B of figure 2.
FIG. 7 is a cross-sectional view of an alternative embodiment of section B-B of FIG. 2.
Fig. 8 is a front-to-rear view of the inspection device.
Figure 9 is a cross-sectional view of one embodiment of section C-C of figure 2.
Figure 10 is a cross-sectional view of an alternative embodiment of section C-C of figure 2.
Fig. 11 is a partially enlarged schematic view of fig. 9.
Fig. 12 is an enlarged schematic view of a portion D in fig. 9.
Icon:
a. a wire to be tested;
1. the device comprises a sleeved shell, 11 rear mounting rings, 12 inner limiting rings, 13 fixed round rods, 14 front mounting rings and 15 walking ring rails;
2. the centering and clamping device comprises a centering and clamping device, 21, a driving ring, 21a, a driving ring, 21b, a movable round rod, 21c, a roller groove, 21d, a roller mandrel, 22, a clamping swing arm, 22a, a swing arm body, 22b, a circular rotating hole, 22c, a strip-shaped jack, 22d, a traveling wheel shaft, 22e, a traveling roller, 23, a fine adjustment device, 23a, an incomplete worm wheel, 23b, a worm base and 23c, a worm body;
3. the camera device comprises a camera device, a sliding base, a limiting plug, a first motor, an output roller and a camera component, wherein the camera device comprises a camera device 31, a sliding base 31a, a limiting plug 32, a first motor 32a, an output roller 33;
4. the device comprises a displacement device, 41, a driving screw tube, 41a, a rotating base, 41b, a rotating channel, 41c, a rotation stopping lug, 41d, an internal ring groove, 41e, a positive and negative screw thread internal screw tube, 41f, an external convex ring, 42, a sliding clamping arm, 42a, an external thread rod, 42b, a rotation stopping slideway, 42c, a clamping arm body, 42d, a sliding rail inserting strip, 42e, a longitudinal sliding rail, 42e, a sliding rail inserting groove, 43, a traveling element, 43a traveling through hole, 43b, a transmission cavity, 43c, 43d, a driving cone pulley, 43e, a traveling roller, 43f, a right roller hole and 43g, a fixed round shaft;
44. the transmission device comprises a transmission rotating shaft, 44a transmission longitudinal hole, 44b a transmission shaft body, 44c a driven cone pulley, 45 a rectangular inserted link and 46 a rectangular inserted hole;
5. the driving device comprises a driving device 51, a small-diameter circular cavity 51a, a wide-diameter circular cavity 52, a driving screw 52a, a wide-diameter disc 53, an adjustable side hole 54, an adjustable sleeve ring 54a, a radial inserted rod 55, a second motor 55a and a driving disc 55a.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments.
The utility model provides a wire crust damage condition inspection device which characterized in that: comprises a sleeving shell 1 sleeved on a lead a to be tested;
the sleeving shell 1 comprises a rear mounting ring 11, an inner limiting ring 12 arranged in front of the rear mounting ring 11, a fixed round rod 13 uniformly distributed on the front end surface of the inner limiting ring 12 in the circumferential direction, a front mounting ring 14 arranged in front of the fixed round rod 13, and a walking ring rail 15 arranged in front of the front mounting ring 14, wherein a walking ring groove 15a is formed in the inner edge of the walking ring rail 15;
the wire clamp device comprises a centering clamping device 2, a camera device 3 and a displacement device 4, wherein the centering clamping device 2 is arranged outside an inner limiting ring 12 and used for clamping a wire a to be tested, the camera device 3 can be arranged on a walking ring rail 15 in a walking mode, the displacement device 4 is arranged at the rear end of a rear mounting ring 11 and walks on the wire a to be tested, and a driving device 5 used for providing power is further arranged on the displacement device 4.
As a further embodiment:
the centering and clamping device 2 comprises:
the driving circular ring 21 comprises a driving circular ring body 21a which is rotatably arranged on the outer edge of the inner limiting ring 12 and movable circular rods 21b which are circumferentially and uniformly distributed at the front end of the driving circular ring body 21a and correspond to the fixed circular rods 13 one by one;
further, roller grooves 21c are uniformly distributed on the inner wall of the driving ring body 21a in the circumferential direction, roller mandrels 21d are arranged on the roller grooves 21c in the front-back direction, roller bodies 21e are rotatably arranged on the roller mandrels 21d, and the proximal ends of the roller bodies 21e are exposed out of the notches of the roller grooves 21c and abut against the inner limit ring 12;
the clamping swing arms 22 correspond to the fixed round rods 13 one by one, and each clamping swing arm 22 comprises a swing arm body 22a, a round rotating hole 22b which is formed on the swing arm body 22a and can be rotatably sleeved on the corresponding fixed round rod 13, and a strip-shaped jack 22c which is formed at one end of the swing arm body 22a far away from the circle center of the rear mounting ring 11 and is in plug fit with the movable round rod 21 b;
further, a traveling wheel shaft 22d is further formed at one end of the swing arm body 22a close to the circle center of the rear mounting ring 11, and a traveling roller 22e is rotatably arranged on the traveling wheel shaft 22d.
Furthermore, the centering and clamping device 2 further comprises a fine adjustment device 23, wherein the fine adjustment device 23 comprises an incomplete worm wheel 23a formed on the outer wall of the driving ring body 21a, a worm base 23b arranged on the front end surface of the rear mounting ring 11, and a worm body 23c rotatably arranged at the front end of the worm base 23b and in transmission contact with the incomplete worm wheel 23a.
The image pickup device 3 includes:
the sliding foundation 31 is slidably sleeved on the walking ring rail 15, the sliding foundation 31 is further provided with a limiting plug 31a in inserting fit with the walking ring groove 15a, one end, away from the center of the circle, of the rear mounting ring 11, of the sliding foundation 31 is further provided with a first motor 32, an output shaft of the first motor 32 is connected with an output roller 32a abutted against the walking ring rail 15, and the inner wall of the sliding foundation 31 is further provided with a camera assembly 33;
the displacement device 4 comprises:
the driving solenoid 41 comprises two rotating bases 41a, the two rotating bases 41a are symmetrically arranged on the upper side and the lower side of the rear end of the rear mounting ring 11, a rotating channel 41b in the vertical direction is formed on the rotating bases 41a, a rotation stopping lug 41c is formed on the inner wall of the rotating channel 41b, an internal annular groove 41d is formed on the inner wall of the rotating channel 41b, the driving solenoid 41 comprises a positive and negative thread internal thread pipe 41e, and an external convex ring 41f matched with the internal annular groove 41d is formed on the outer wall of the positive and negative thread internal thread pipe 41 e;
two sliding clamp arms 42 are provided, two sliding clamp arms 42 are respectively provided at two ends of the positive and negative internal threaded tube 41e, each sliding clamp arm 42 comprises an external threaded rod 42a screwed in the positive and negative internal threaded tube 41e, a rotation stopping slideway 42b formed on the outer wall of the external threaded rod 42a and matched with the rotation stopping projection 41c, a clamp arm body 42c formed on the right side of the outer end of the external threaded rod 42a, a slide rail insert 42d formed at the right end of the clamp arm body 42c, and a longitudinal slide rail 42e arranged at the rear end of the rear mounting ring 11 along the up-down direction, wherein a slide rail slot 42f for accommodating the slide rail insert 42d is formed on the longitudinal slide rail 42 e;
the traveling elements 43 are provided with two, the traveling elements 43 correspond to the sliding clamp arms 42 one by one, and each traveling element 43 comprises a traveling through hole 43a which penetrates through the external threaded rod 42a along the left-right direction, a transmission chamber 43b which is formed in the middle of the traveling through hole 43a, a traveling shaft body 43c which is rotatably arranged in the traveling through hole 43a, a driving conical pulley 43d which is formed in the portion, located in the transmission chamber 43b, of the traveling shaft body 43c, a traveling roller 43e which is formed at the right end of the traveling shaft body 43c, a roller right hole 43f which is formed at the right end of the traveling roller 43e, and a fixed round shaft 43g which is formed at the right end of the clamp arm body 42c and inserted into the roller right hole 43 f;
further, a first bearing is provided between the left end of the traveling roller 43e and the male screw rod 42a.
The transmission rotating shaft 44 is provided with two transmission rotating shafts 44, one transmission rotating shaft 44 is arranged in each external thread rod 42a, and each transmission rotating shaft 44 comprises a transmission longitudinal hole 44a which is arranged at one end of the external thread rod 42a, which is far away from the clamping arm body 42c, and is communicated with the transmission cavity 43b, a transmission shaft body 44b which is rotatably arranged in the transmission longitudinal hole 44a, and a driven bevel wheel 44c which is formed on the transmission shaft body 44b, is positioned in the transmission cavity 43b, and is in transmission connection with the driving bevel wheel 43 d;
a rectangular insertion rod 45 formed at the lower end of the transmission shaft body 44b positioned above;
a rectangular insertion hole 46 which is formed at the upper end of the transmission shaft body 44b positioned below and is in transmission connection with the rectangular insertion rod 45;
the drive device 5 is provided on the walking element 43 located above, the drive device 5 including:
a small-diameter circular cavity 51 arranged in the walking shaft body 43c, and a wide-diameter circular cavity 51a is formed in the part of the small-diameter circular cavity 51 positioned in the walking roller 43 e;
the driving screw rod 52 is rotatably arranged in the small-diameter circular cavity 51, and a wide-diameter disc 52a is formed at the part of the end part of the driving screw rod 52 positioned in the wide-diameter circular cavity 51 a;
the adjustable side holes 53 are circumferentially and uniformly distributed on the left half part of the walking shaft body 43c, and the adjustable side holes 53 are communicated with the small-diameter circular cavity 51;
the adjustable sleeve ring 54 is slidably sleeved on the walking shaft body 43c, radial inserting rods 54a which are in one-to-one inserting fit with the adjustable side holes 53 are uniformly distributed on the inner wall of the adjustable sleeve ring 54 in the circumferential direction, and threads which are in threaded fit with the driving screw 52 are arranged at the proximal end of each radial inserting rod 54 a;
the second motor 55 is arranged on the left side of the far end of the external thread rod 42a, an output shaft of the second motor 55 is connected with a driving disc 55a, and the lower end face of the driving disc 55a is in transmission connection with the adjustable lantern ring 54.
As a further embodiment, the first bearing is a thrust ball bearing or a tapered roller bearing.
As a further embodiment, a second bearing is formed between the fixed circular shaft 43g and the right roller hole 43f.
As a further embodiment, the second bearing is a deep groove ball bearing.
A machine vision inspection method for the damage condition of an electric wire sheath comprises the following steps:
step 1.1, the centering and clamping device 2 clamps a wire a to be tested:
inserting the wire head end into the sheathing case 1;
the worm body 23c is rotated, and the worm body 23c acts on the incomplete worm wheel 23a to drive the driving ring body 21a to rotate, so that the movable round rods 21b are driven to rotate;
each movable round rod 21b acts on the corresponding strip-shaped jack 22c, so that the corresponding clamping swing arm 22 rotates around the fixed round rod 13, the advancing roller 22e abuts against the outer wall of the wire a to be tested, and the wire a to be tested is clamped in the center of the sleeving shell 1;
step 1.2, installing a displacement device 4:
rotating the front and back thread internal thread tube 41 e;
the positive and negative thread internal thread tube 41e drives the two external thread rods 42a to move close to each other, so as to drive the pair of sliding clamping arms 42 and the walking element 43 to approach each other, and the walking roller 43e clamps the wire a to be tested to realize transmission connection;
step 2.1, the displacement device 4 located above acts:
the second motor 55 of the driving device 5 is started, the second motor 55 drives the driving disc 55a to rotate, the lower end surface of the driving disc 55a drives the displacement device 4 located above to act:
the driving disc 55a drives the corresponding adjustable lantern ring 54 for transmission;
the adjustable lantern ring 54 and the radial inserted rod 54a act on the adjustable side hole 53 to drive the walking shaft body 43c, the driving cone pulley 43d and the walking roller 43e to rotate;
step 2.2, the displacement device 4 positioned below acts synchronously:
the driving cone pulley 43d positioned above drives the driven cone pulley 44c, the transmission shaft body 44b and the rectangular inserted rod 45 positioned above to rotate;
the rectangular insertion rod 45 acts on the rectangular insertion hole 46 to drive the transmission shaft body 44b, the driven cone pulley 44c, the driving cone pulley 43d and the walking roller 43 which are positioned below to rotate;
the walking rollers 43 of the two displacement devices 4 synchronously walk on the wire a to be tested to drive the inspection device to walk along the wire a to be tested;
step 2.2, the camera device 3 makes full coverage camera:
the first motor 32 drives the output roller 32a to rotate, and the output roller 32a rotates along the walking circular rail 15 in a single direction;
because camera device 3 is simultaneously along with inspection device moves ahead, make camera device 3 do the spiral motion that moves ahead for the wire a that awaits measuring, camera module 33 records the apparent image of wire a that awaits measuring in full coverage.
It should be noted that:
the camera assembly 33 is a camera with a wireless image transmission function, and the camera is further connected with other accessories such as a battery. The camera advances and shoots the image along spiral track at the electric wire outer wall, and then transmits the image to terminals such as computer, and the user observes computer image and can analyze and learn the damage condition on electric wire surface.
Further, the shaping of worm base 23b lower extreme has the base dabber, the rotatable cover of worm body 23c is established on the base dabber, base dabber lower extreme still is equipped with and is used for the restraint the dabber end that worm body 23c avoided its axial float.
Furthermore, the scheme is particularly suitable for the electric wire with larger diameter and longer wire length, and the outer surface of the electric wire can be subjected to full-coverage video recording through a spiral track only by a camera shooting assembly; the image is uploaded to a terminal and the wire can be clearly judged whether the appearance of the wire is damaged or not by self-study and viewing on a display screen. The defect that only one side surface can be observed through visual observation is overcome, and the circumference of the wire sheath is not required to be completely covered by a plurality of camera modules.
Furthermore, the sliding constraint between the sliding rail inserting strip 42d and the sliding rail slot 42f is matched with the sliding constraint between the sliding rail inserting strip 42b and the rotation stopping convex block 41c, so that the sliding clamping arm 42 with large transverse span can be stably displaced.
Furthermore, the lower end face of the driving disk 55a and the outer edge of the adjustable lantern ring 54 are both provided with anti-slip layers, so that the transmission contact between the Arabic positive driving disk 55a and the adjustable lantern ring 54 is achieved.
Claims (8)
1. The utility model provides a wire crust damage condition inspection device which characterized in that: comprises a sleeving shell (1) sleeved on a lead (a) to be tested;
the sleeving shell (1) comprises a rear mounting ring (11), an inner limiting ring (12) arranged in front of the rear mounting ring (11), a fixed round rod (13) uniformly distributed in the circumferential direction on the front end face of the inner limiting ring (12), a front mounting ring (14) arranged in front of the fixed round rod (13), and a walking ring rail (15) arranged in front of the front mounting ring (14), wherein a walking ring groove (15a) is formed in the inner edge of the walking ring rail (15);
the wire clamp device comprises a centering clamping device (2) which is arranged outside an inner limiting ring (12) and used for clamping a wire (a) to be tested, a camera device (3) which can be arranged on a walking ring rail (15) in a walking mode, and a displacement device (4) which is arranged at the rear end of a rear mounting ring (11) and walks on the wire (a) to be tested, wherein a driving device (5) used for providing power is further arranged on the displacement device (4);
the centering and clamping device (2) comprises:
the driving circular ring (21) comprises a driving circular ring body (21a) which is rotatably arranged on the outer edge of the inner limiting ring (12) and movable circular rods (21b) which are uniformly distributed at the front end of the driving circular ring body (21a) in the circumferential direction and correspond to the fixed circular rods (13) one by one;
the clamping swing arms (22) correspond to the fixed round rods (13) one by one, and each clamping swing arm (22) comprises a swing arm body (22a), a round rotating hole (22b) which is formed in the swing arm body (22a) and is rotatably sleeved on the corresponding fixed round rod (13), and a strip-shaped jack (22c) which is formed in one end, far away from the circle center of the rear mounting ring (11), of the swing arm body (22a) and is in plug-in fit with the movable round rod (21 b);
the imaging device (3) includes:
the sliding foundation (31) is sleeved on the walking ring rail (15) in a sliding mode, a limiting plug (31a) in plug-in fit with the walking ring groove (15a) is further arranged on the sliding foundation (31), a first motor (32) is further arranged at one end, away from the circle center, of the rear mounting ring (11), of the sliding foundation (31), an output shaft of the first motor (32) is connected with an output roller (32a) in butt joint with the walking ring rail (15), and a camera assembly (33) is further arranged on the inner wall of the sliding foundation (31);
the displacement device (4) comprises:
the driving solenoid (41) comprises two rotating bases (41a), the two rotating bases (41a) are symmetrically arranged on the upper side and the lower side of the rear end of the rear mounting ring (11), a rotating channel (41b) in the vertical direction is formed on the rotating bases (41a), a rotation stopping bump (41c) is formed on the inner wall of the rotating channel (41b), an internal annular groove (41d) is formed on the inner wall of the rotating channel (41b), the driving solenoid (41) comprises a positive and negative thread internal threaded pipe (41e), and an external convex ring (41f) matched with the internal annular groove (41d) is formed on the outer wall of the positive and negative thread internal threaded pipe (41 e);
the two sliding clamping arms (42) are arranged, two sliding clamping arms (42) are respectively arranged at two ends of the positive and negative thread internal thread pipe (41e), each sliding clamping arm (42) comprises an external thread rod (42a) in threaded connection with the positive and negative thread internal thread pipe (41e), a rotation stopping slideway (42b) formed on the outer wall of the external thread rod (42a) and matched with the rotation stopping lug (41c), a clamping arm body (42c) formed on the right side of the outer end of the external thread rod (42a), a sliding rail insert (42d) formed at the right end of the clamping arm body (42c), and a longitudinally-arranged sliding rail (42e) arranged at the rear end of the rear mounting ring (11) along the vertical direction, and a sliding rail insert groove (42f) for accommodating the sliding rail insert (42d) is formed in the longitudinally-arranged sliding rail (42 e);
the walking element (43) comprises two walking elements (43), the walking elements (43) correspond to the sliding clamping arms (42) one by one, and each walking element (43) comprises a walking through hole (43a) penetrating through the outer threaded rod (42a) in the left-right direction, a transmission chamber (43b) formed in the middle of the walking through hole (43a), a walking shaft body (43c) rotatably arranged in the walking through hole (43a), a driving conical pulley (43d) formed in the walking shaft body (43c) and positioned in the transmission chamber (43b), a walking roller (43e) formed at the right end of the walking shaft body (43c), a roller right hole (43f) formed at the right end of the walking roller (43e), and a fixed round shaft (43g) formed at the right end of the clamping arm body (42c) and inserted into the roller right hole (43 f);
the transmission rotating shaft (44) is provided with two transmission rotating shafts (44), each external thread rod (42a) is internally provided with one transmission rotating shaft (44), each transmission rotating shaft (44) comprises a transmission longitudinal hole (44a) which is arranged at one end, far away from the clamping arm body (42c), of the external thread rod (42a) and communicated with the transmission cavity (43b), a transmission shaft body (44b) which is rotatably arranged in the transmission longitudinal hole (44a), and a driven cone pulley (44c) which is formed on the transmission shaft body (44b), is positioned in the transmission cavity (43b) and is in transmission connection with the driving cone pulley (43 d);
a rectangular inserted link (45) formed at the lower end of the transmission shaft body (44b) located above;
the rectangular insertion hole (46) is formed in the upper end of the lower transmission shaft body (44b) and is in transmission connection with the rectangular insertion rod (45);
the drive device (5) is arranged on an overhead travelling element (43), the drive device (5) comprising:
a small-diameter round cavity (51) which is arranged in the walking shaft body (43c), and a wide-diameter round cavity (51a) is formed in the part of the small-diameter round cavity (51) which is positioned in the walking roller (43 e);
the driving screw rod (52) is rotatably arranged in the small-diameter circular cavity (51), and a large-diameter disc (52a) is formed at the part of the end part of the driving screw rod (52) positioned in the large-diameter circular cavity (51 a);
the adjustable side holes (53) are uniformly distributed on the left half part of the walking shaft body (43c) in the circumferential direction, and the adjustable side holes (53) are communicated with the small-diameter circular cavity (51);
the adjustable sleeve ring (54) is sleeved on the walking shaft body (43c) in a sliding manner, radial inserting rods (54a) which are in one-to-one inserting fit with the adjustable side holes (53) are uniformly distributed on the inner wall of the adjustable sleeve ring (54) in the circumferential direction, and threads which are in threaded fit with the driving screw rod (52) are arranged at the end, close to the center, of each radial inserting rod (54 a);
the second motor (55) is arranged on the left side of the far end of the external thread rod (42a), an output shaft of the second motor (55) is connected with a driving disc (55a), and the lower end face of the driving disc (55a) is in transmission connection with the adjustable lantern ring (54).
2. The electric wire sheath damage condition inspection device according to claim 1, wherein: roller grooves (21c) are uniformly distributed on the inner wall of the driving ring body (21a) in the circumferential direction, roller mandrels (21d) are arranged in the roller grooves (21c) along the front-back direction, roller bodies (21e) are rotatably arranged on the roller mandrels (21d), and the proximal ends of the roller bodies (21e) are exposed out of the notches of the roller grooves (21c) and are abutted to the inner limiting ring (12).
3. The electric wire sheath damage condition inspection device according to claim 2, wherein: an advancing wheel shaft (22d) is further formed at one end, close to the circle center, of the rear mounting ring (11) of the swing arm body (22a), and an advancing roller (22e) is rotatably arranged on the advancing wheel shaft (22 d).
4. The electric wire sheath damage condition inspection device according to claim 3, wherein: the centering clamping device (2) further comprises a fine adjustment device (23), wherein the fine adjustment device (23) comprises an incomplete worm wheel (23a) formed on the outer wall of the driving ring body (21a), a worm base (23b) arranged on the front end face of the rear mounting ring (11), and a worm body (23c) which is rotatably arranged at the front end of the worm base (23b) and in transmission contact with the incomplete worm wheel (23 a).
5. The electric wire sheath damage condition inspection device according to claim 4, wherein: a first bearing is arranged between the left end of the walking roller (43e) and the external thread rod (42 a).
6. The inspection device for the damage of the sheath of the electric wire according to claim 5, wherein: the first bearing is a thrust ball bearing or a tapered roller bearing.
7. The electric wire sheath damage condition inspection device according to claim 6, wherein: and a second bearing is formed between the fixed circular shaft (43g) and the right hole (43f) of the roller.
8. The electric wire sheath damage condition inspection device according to claim 7, wherein: the second bearing is a deep groove ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110233922.7A CN113030119B (en) | 2021-03-03 | 2021-03-03 | Inspection device for damage condition of wire sheath |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110233922.7A CN113030119B (en) | 2021-03-03 | 2021-03-03 | Inspection device for damage condition of wire sheath |
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| CN113030119A CN113030119A (en) | 2021-06-25 |
| CN113030119B true CN113030119B (en) | 2022-05-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6512536B1 (en) * | 1999-02-09 | 2003-01-28 | The United States Of America As Represented By The United States National Aeronautics And Space Administration | Cable and line inspection mechanism |
| JP2004153933A (en) * | 2002-10-30 | 2004-05-27 | J-Power Systems Corp | Diagnostic method for corrosion of aerial cable and device for the same |
| CN101670578B (en) * | 2009-09-17 | 2011-06-01 | 北京深浪电子技术有限公司 | Arm extending type braking multi-CCD full-angle route inspecting robot |
| WO2013117497A1 (en) * | 2012-02-07 | 2013-08-15 | Tyco Electronics Raychem Bvba | Visually inspecting optical fibers |
| US10557824B1 (en) * | 2015-06-17 | 2020-02-11 | SeeScan, Inc. | Resiliently deformable magnetic field transmitter cores for use with utility locating devices and systems |
| CN105067630B (en) * | 2015-07-30 | 2017-11-17 | 重庆科技学院 | Suspension cable PE protective layers damage detection apparatus and its control circuit, control method |
| CN207409930U (en) * | 2017-11-22 | 2018-05-25 | 华北电力大学（保定） | A kind of walking clipping mechanism suitable for high-voltage line crusing robot |
| CN108011321B (en) * | 2017-12-25 | 2020-10-30 | 嘉兴麦瑞网络科技有限公司 | Convenient high-voltage line electric power inspection robot |
| CN111257321B (en) * | 2018-11-30 | 2023-07-28 | 泰科电子(上海)有限公司 | Cable detection device |
| CN109494620A (en) * | 2018-12-27 | 2019-03-19 | 中科开创（广州）智能科技发展有限公司 | A kind of overhead transmission line Work robot |
| CN110265913B (en) * | 2019-03-19 | 2020-07-31 | 绍兴欣耀机电科技有限公司 | Anti-falling device of power transmission line inspection robot |
| CN209448335U (en) * | 2019-03-29 | 2019-09-27 | 广东电网有限责任公司 | A kind of power overhead network auxiliary inspection device based on Internet of Things |
| CN210957568U (en) * | 2019-12-23 | 2020-07-07 | 南通盛德电力科技有限公司 | Visual control device of transmission cable inspection robot |
| CN111289534A (en) * | 2020-03-19 | 2020-06-16 | 云南电网有限责任公司电力科学研究院 | Overhead conductor aging detection device and method |
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