Variable distance strain clamp x-ray inspection apparatus and method

Abstract

The present application relates to the technical field of X-ray detection of high-altitude strain clamp, and provides a variable-pitch strain clamp X-ray detection device, which comprises a body capable of ascending to high altitude, wherein an X-ray detection assembly for detecting sub-conductors is arranged on the body, and a variable-pitch walking assembly for walking on the sub-conductors with the body is arranged on the body, the variable-pitch walking assembly comprises at least four walking wheels, the four walking wheels are arranged in a square shape and fall on two adjacent sub-conductors, and the variable-pitch walking assembly further comprises an adjusting structure for adjusting the distance between two adjacent walking wheels, and the two adjacent walking wheels are respectively located on two sub-conductors. A variable-pitch strain clamp X-ray detection method is also provided. The present application adopts a ground-to-air unmanned detection mode, remotely detects split conductors in the strain clamp, and simultaneously adopts a variable-wheel-pitch self-walking structure, so that the detection requirement of the strain clamp on sub-conductors with different numbers of splits can be met.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of X-ray detection of high-tension clamps, in particular to a variable-distance X-ray detection device and method for high-tension clamps. BACKGROUND

[0002] Overhead transmission lines are generally connected by compression fittings such as high-tension clamps and jointing pipes, and the connection mode is generally compression. In the operation process of overhead transmission lines, compression-type high-tension clamps not only bear the conductive function of the conductor but also bear the entire tension of the conductor. The quality of overhead conductor compression is very important, which has a very important significance for ensuring the reliable operation of the line and ensuring safe power supply. The compression quality of high-tension clamps belongs to hidden engineering, and X-ray detection is mostly used to detect the compression quality, to determine whether there is a broken strand phenomenon, to check whether the image inside the compression pipe has a gap or uneven gray distribution, to determine whether the connection is good, and to find potential defects, damages or fault hazards in time to ensure the reliable and stable operation of the transmission line. The spacing between different numbers of split lines is different, and the self-walking unmanned detection equipment is not easy to match the detection needs of multiple spacing split lines.

[0003] The unmanned detection equipment has a line self-walking function, but due to the different forces on the sub-conductors, and the different spacing between different numbers of split lines, the spacing between the sub-conductors is greatly different, resulting in a mismatch between the walking structure and the wheel track. Different line spacings require detection equipment with walking wheels that can adapt to the size to meet detection needs. At the same time, high-altitude work is greatly disturbed by wind, which may cause the detection equipment to fall during the detection process, even to fall, resulting in damage to the high-cost detection equipment, and on the other hand, may not be able to guarantee the clarity of the detection image. SUMMARY

[0004] The purpose of the present application is to provide a variable-distance X-ray detection device and method for high-tension clamps, which can at least solve some of the defects in the prior art.

[0005] To achieve the above-mentioned purpose, the embodiments of the present application provide the following technical solutions: a variable-distance X-ray detection device for high-tension clamps, comprising a body that can be raised to high altitude, an X-ray detection assembly for detecting sub-conductors is arranged on the body, and a variable-distance walking assembly for walking on the sub-conductors with the body is arranged on the body, the variable-distance walking assembly comprises at least four walking wheels, the four walking wheels are arranged in a square shape and fall on two adjacent sub-conductors, and the variable-distance walking assembly further comprises an adjusting structure for adjusting the spacing between the two adjacent walking wheels, and the two adjacent walking wheels are respectively located on the two sub-conductors.

[0006] Further, the adjusting structure comprises a left reciprocating wire rod, a right reciprocating wire rod and a driving member for providing driving force, the driving member is coaxially connected with the left reciprocating wire rod through a left one-way bearing, the driving member is coaxially connected with the right reciprocating wire rod through a right one-way bearing, a threaded sleeve is sleeved on each of the left reciprocating wire rod and the right reciprocating wire rod, and each threaded sleeve is provided with the walking wheel.

[0007] Further, the variable-distance walking assembly further comprises a driving structure for driving the walking wheel to lift and lower.

[0008] Further, the driving structure comprises a driving member, a first gear driven to rotate by the driving member, an arc-shaped sliding plate provided with teeth, a driving pin fixedly installed on the arc-shaped sliding plate and an arc-shaped guide rail provided with an arc-shaped sliding groove, the driving pin is slidingly arranged in the arc-shaped sliding groove, the arc-shaped sliding plate and the arc-shaped guide rail are curved in the same direction and are curved along the lifting and lowering direction of the walking wheel, a plurality of teeth are sequentially arranged along the curved direction of the arc-shaped sliding plate, the first gear is engaged with the teeth, and the walking wheel is arranged on the driving pin.

[0009] Further, an arc-shaped sliding groove two is formed on one side of the arc-shaped sliding plate, and the arc-shaped guide rail and the arc-shaped sliding groove two cooperate to limit and guide the arc-shaped sliding plate.

[0010] Further, a groove is arranged around the walking wheel, and a sub-conductor can be clamped into the groove.

[0011] Further, an anti-skid strip is arranged on the groove wall of the groove.

[0012] Further, a horizontal calibration assembly for adjusting the X-ray detection assembly to be located at the center position between adjacent two sub-conductors is further included.

[0013] Further, an anti-dropping assembly for locking the variable-distance walking assembly on the sub-conductor is further included.

[0014] Another technical scheme is provided in the embodiment of the application: a variable-distance strain clamp X-ray detection method, which is used for the device and comprises the following steps:

[0015] S1, a UAV is used to hoist a machine body to a high-altitude strain clamp sub-conductor;

[0016] S2, the position of the walking wheel of the variable-distance walking assembly is adjusted so that the walking wheel is placed on the sub-conductor;

[0017] S3, the variable-distance walking assembly moves to a designated detection position with the X-ray detection assembly;

[0018] S4, after adjusting the detection posture of the X-ray detection assembly, adopting the X-ray detection assembly to perform ray detection on the split wire in the strain clamp.

[0019] Compared with the prior art, the beneficial effects of the present application are: adopting the ground-to-air unmanned detection mode, remotely detecting the split wire in the strain clamp, and simultaneously adopting the variable wheel pitch self-walking structure, which can realize the detection requirement of different numbers of split sub-conductors. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 A front view cross-sectional view of a variable pitch strain clamp X-ray detection device provided by an embodiment of the present application;

[0021] Figure 2 A zoomed-in view of position A of Figure 1

[0022] Figure 3 A perspective view of a carbon fiber platform, a carbon fiber box shell and a variable pitch walking assembly of a variable pitch strain clamp X-ray detection device provided by an embodiment of the present application;

[0023] Figure 4 A perspective exploded view of a carbon fiber platform and a horizontal calibration assembly of a variable pitch strain clamp X-ray detection device provided by an embodiment of the present application;

[0024] Figure 5 A perspective view of a carbon fiber box shell, a variable pitch walking assembly and an anti-falling assembly of a variable pitch strain clamp X-ray detection device provided by an embodiment of the present application;

[0025] Figure 6 A perspective exploded view of a carbon fiber box shell, a variable pitch walking assembly and an anti-falling assembly of a variable pitch strain clamp X-ray detection device provided by an embodiment of the present application;

[0026] Figure 7 A zoomed-in view of position B of Figure 6

[0027] Figure 8 A perspective exploded view of a variable pitch walking assembly of a variable pitch strain clamp X-ray detection device provided by an embodiment of the present application;

[0028] Figure 9 A perspective exploded view of a variable pitch walking assembly and an anti-falling assembly of a variable pitch strain clamp X-ray detection device provided by an embodiment of the present application;

[0029] Figure 10 A perspective view of an X-ray detection assembly of a variable pitch strain clamp X-ray detection device provided by an embodiment of the present application;

[0030] ​​Figure 11 A variable pitch strain clamp X-ray detection device positioning assembly and a stereoscopic explosion diagram of an X-ray imaging plate provided for an embodiment of the present application;

[0031] In the drawing: 1, carbon fiber platform, 2, carbon fiber box shell, 3, detection device, 31, lifting frame, 32, rotating frame, 33, X-ray machine, 34, X-ray imaging plate, 35, servo motor, 4, variable pitch walking assembly, 401, roller frame, 402, walking wheel, 403, rubber anti-skid strip, 404, driving pin, 405, arc-shaped sliding plate, 406, first gear, 407, gear teeth, 408, first stepper motor, 409, second stepper motor, 410, driving rod, 411, reciprocating screw rod, 412, one-way bearing, 413, threaded sleeve, 414, positioning laser head, 415, third stepper motor, 416, pulley, 417, arc-shaped sliding groove one, 5, anti-dropping assembly, 51, limit wheel, 52, support rod, 53, five-angle rotating cylinder, 54, fixed tube, 55, five-angle rotating rod, 56, connecting plate, 57, electric telescopic rod, 6, horizontal calibration assembly, 61, transmission rod, 62, second gear, 63, rack, 64, fourth stepper motor, 65, bevel gear, 66, limit guide rail, 67, limit sliding groove, 68, balance type gravity sensor, 7, anti-dropping plate, 8, strain clamp, 9, arc-shaped guide rail, 10, arc-shaped sliding groove two, 11, limit groove. DETAILED DESCRIPTION

[0032] 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. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0033] Please refer to Figures 1 to 11An embodiment of the present invention provides a variable-distance tension clamp X-ray detection device, comprising a body capable of being raised to a high altitude. The body is equipped with an X-ray detection assembly for detecting sub-conductors, and a variable-distance travel assembly 4 for carrying the body on the sub-conductors. The variable-distance travel assembly 4 includes at least four travel wheels 402, which are arranged in a square and rest on two adjacent sub-conductors. The variable-distance travel assembly 4 also includes an adjustment structure for adjusting the spacing between two adjacent travel wheels 402, each of which is located on a sub-conductor. In this embodiment, an unmanned ground-to-air detection method is used to remotely detect split wires in the tension clamp. A self-propelled structure with a variable wheelbase is used to meet the detection requirements for different numbers of split sub-conductors. Specifically, the device includes a body and multiple components, each of which includes an X-ray detection component, which includes an X-ray machine 33 and an X-ray imaging plate 34, which can use X-rays to detect sub-conductors, and a variable-distance walking component. In addition to being able to carry the body to walk on high-altitude sub-conductors, it also has an adjustment structure and a driving structure. The adjustment structure can adjust the spacing between the walking wheels so that it can be used on two sub-conductors with different spacings, which is flexible and changeable, and the driving structure can facilitate the sub-conductors to enter the walking wheels. When the body is just lifted to a high altitude, the carbon fiber box shell 2 contacts the sub-conductor first. Under the action of the carbon fiber box shell, the walking wheel does not contact the sub-conductor temporarily. At this time, the walking wheel is in a suspended state. The position of the walking wheel can be adjusted by adjusting the structure. After the position is adjusted, the driving structure is used to drive the walking wheel to rise and fall, thereby replacing the carbon fiber box shell 2 to contact the sub-conductor. The walking wheel can extend from the carbon fiber box shell 2 to the outside of the carbon fiber box shell 2, and the carbon fiber box shell 2 will be lifted up and no longer contact the sub-conductor. During the process of adjusting the position of the walking wheel, the position can be determined by positioning the laser head 414 to ensure that the sub-wire is found accurately. In addition to the above components, there is also a horizontal calibration component 6, which is used to adjust the position of the X-ray detection component, and an anti-slip component 5, which can prevent the sub-wire from slipping out of the walking wheel 402. In addition, there is a calibration component, which can adjust the detection posture of the X-ray detection component, which is more conducive to the detection of the sub-wire. Specifically, the adjustment of the posture can be divided into two parts, one part is to drive the X-ray detection component to rise and fall, and the other part is to drive the X-ray detection component to swing. The direction of the swing is as follows: Figure 10 As shown, the X-ray imaging plate 34 can be thought of as the swing plate, with the lifting frame 31 acting as the swing rope. The X-ray imaging plate 34 and the X-ray machine 33 can swing synchronously, but the lifting frame 31 differs from the rope in that it is non-bendable. Furthermore, the lifting frame 31 includes a positioning assembly that can independently adjust the movement of the X-ray imaging plate 34 to ensure detection accuracy. The following embodiments will further detail the structure of each component.

[0034] See alsoFigures 1 to 11 The body comprises a carbon fiber platform 1, the front side and the rear side of the bottom of the carbon fiber platform 1 are provided with carbon fiber box shells 2, and carbon fiber is used, so that the weight of the body can be reduced and still has high strength, and the harsh high-altitude environment can be coped with. The bottom of the carbon fiber platform 1 is provided with an X-ray detection assembly 3, the X-ray detection assembly 3 comprises a lifting frame 31 fixedly connected to the bottom of the carbon fiber platform 1, the inner cavity of the lifting frame 31 is provided with a rotating frame 32, the top of the inner cavity of the rotating frame 32 is fixedly installed with an X-ray machine 33, the bottom of the rotating frame 32 is provided with an X-ray imaging plate 34, and the front side and the rear side of the rotating frame 32 are fixedly installed with servo motors 35. The output shaft of the servo motor 35 is fixedly connected with the inner wall of the lifting frame 31.

[0035] Please refer to Figures 1 to 11, the inner cavity of the carbon fiber box shell 2 is provided with a variable distance walking assembly 4, the variable distance walking assembly 4 includes a roller frame 401 located on both sides of the inner cavity of the carbon fiber box shell 2, the inner cavity of the roller frame 401 is rotationally connected with a walking wheel 402, the inner wall of the walking wheel 402 is fixedly connected with rubber anti-skid strips 403 on both sides, the inner cavity of the carbon fiber box shell 2 is provided with a rotatable driving pin 404, both ends of the driving pin 404 penetrate through both sides of the carbon fiber box shell 2 and are rotationally connected with an arc-shaped sliding plate 405, both sides of the carbon fiber box shell 2 are fixedly connected with arc-shaped guide rails 9, one side of the arc-shaped sliding plate 405 close to the carbon fiber box shell 2 is provided with an arc-shaped sliding groove two 10 matched with the arc-shaped guide rail 9, through the cooperation of the arc-shaped guide rail 9 and the arc-shaped sliding groove two 10, the arc-shaped sliding plate 405 is limited and guided, thereby improving the stability of the driving pin 404 and the second stepping motor 409 during rotation, both sides of the carbon fiber box shell 2 are rotationally connected with first gears 406, the inner wall of the arc-shaped sliding plate 405 is fixedly connected with a plurality of teeth 407, the first gear 406 is engaged with the teeth 407, the left side of the carbon fiber box shell 2 is fixedly installed with a first stepping motor 408, both sides of the carbon fiber box shell 2 are fixedly connected with anti-dropping plates 7, the first stepping motor 408 is fixedly installed on the surface of the anti-dropping plate 7, the output shaft of the first stepping motor 408 is fixedly connected with the first gear 406 located on the left side, the right side of the carbon fiber box shell 2 is provided with a second stepping motor 409, the output shaft of the second stepping motor 409 is fixedly connected with the right end of the driving pin 404, the second stepping motor 409 is fixedly connected on the surface of the arc-shaped sliding plate 405 located on the right side, the middle part of the inner cavity of the carbon fiber box shell 2 is provided with a driving rod 410, both ends of the driving rod 410 are provided with reciprocating lead screws 411, the ends of the two reciprocating lead screws 411 away from each other are rotationally connected with the carbon fiber box shell 2 through bearings, both ends of the driving rod 410 are fixedly connected with one-way bearings 412, the inner ring of the one-way bearing 412 is fixedly connected with the driving rod 410, the outer ring of the one-way bearing 412 is fixedly connected with the reciprocating lead screw 411, the surface of the reciprocating lead screw 411 is threadedly connected with a threaded sleeve 413, the top of the roller frame 401 is rotationally connected with the threaded sleeve 413, the bottom of the threaded sleeve 413 is fixedly installed with a positioning laser head 414, one side of the top of the carbon fiber box shell 2 is fixedly installed with a third stepping motor 415, the output shaft of the third stepping motor 415 and the surface of the driving rod 410 are fixedly connected with belt pulleys 416, the two belt pulleys 416 are drivingly connected through a belt, both sides of the carbon fiber box shell 2 are provided with arc-shaped sliding grooves one 417 matched with the driving pin 404.

[0036] Please refer to Figures 1 to 11, the inner cavity of the carbon fiber box shell 2 is provided with an anti-off component 5, the anti-off component 5 includes a limiting wheel 51 located below the walking wheel 402, a strain clamp 8 is arranged between the same walking wheel 402 and the limiting wheel 51, a plurality of limiting grooves 11 matched with the strain clamp 8 are arranged on the front side and the rear side of the bottom of the carbon fiber box shell 2, the walking wheel 402 and the limiting wheel 51 are in rolling contact with the surface of the strain clamp 8, a supporting rod 52 is rotatably connected to one side of the limiting wheel 51, a five-angle rotating drum 53 is fixedly connected to the top end of the supporting rod 52, a fixed pipe 54 is fixedly connected to the surface of the threaded sleeve 413, the five-angle rotating drum 53 is rotatably connected in the inner cavity of the fixed pipe 54, a five-angle rotating rod 55 is rotatably connected in the inner cavity of the carbon fiber box shell 2, the five-angle rotating drum 53 is slidingly connected to the surface of the five-angle rotating rod 55, a connecting plate 56 is fixedly connected to the center of the surface of the five-angle rotating rod 55, an electric telescopic rod 57 is rotatably connected to the side of the carbon fiber box shell 2 opposite to the other carbon fiber box shell 2, the output end of the electric telescopic rod 57 is rotatably connected with the connecting plate 56, through the arrangement of the anti-off component 5, the cooperation of the supporting rod 52 and the limiting wheel 51 plays a limiting and guiding role on the surface of the cable, thereby improving the stability of the walking wheel 402 in the displacement process on the surface of the cable, and at the same time, after the carbon fiber platform 1 reaches the specified detection position, through the cooperation of the electric telescopic rod 57 and the connecting plate 56, the five-angle rotating rod 55 and the five-angle rotating drum 53 are driven to rotate, thereby enabling the limiting wheel 51 to be tightly pressed on the bottom of the cable, thereby improving the stability of the ray detection device in the detection process.

[0037] Please refer to Figures 1 to 11The top of the carbon fiber platform 1 is provided with a horizontal calibration assembly 6, the horizontal calibration assembly 6 comprises a transmission rod 61 rotatably connected in the inner cavity of the carbon fiber platform 1, the front end and the rear end of the transmission rod 61 are fixedly connected with a second gear 62, one side of the top of the carbon fiber box shell 2 is fixedly connected with a toothed rail 63, the toothed rail 63 is engaged with the second gear 62, the center of the top of the carbon fiber platform 1 is fixedly installed with a fourth stepper motor 64, the output shaft of the fourth stepper motor 64 and the surface of the transmission rod 61 are fixedly connected with bevel gears 65, the two bevel gears 65 are engaged, the two sides of the top of the carbon fiber box shell 2 are fixedly installed with balance type gravity sensors 68, the side of the carbon fiber box shell 2 away from the toothed rail 63 is fixedly connected with two limiting guide rails 66, the front side and the rear side of the bottom of the carbon fiber platform 1 are provided with limiting sliding grooves 67 matched with the limiting guide rails 66, through the arrangement of the horizontal calibration assembly 6, under the drive of the fourth stepper motor 64 and the cooperation of the bevel gears 65 and the transmission rod 61, the second gear 62 can rotate, thereby the second gear 62 can displace on the top of the toothed rail 63, so that the carbon fiber platform 1 can displace as a whole on the top of the carbon fiber box shell 2, thereby the ray detection device can be calibrated horizontally before walking on the cable, thereby the stability of the ray detection device when reaching and walking on the cable is improved.

[0038] Please refer to Figure 11 The position adjusting assembly comprises a first electric telescopic rod 71 installed at the bottom of the right side of the lifting frame 31, an inclined pushing piece 72 fixedly connected to the right end of the right X-ray imaging plate 34, the first electric telescopic rod 71 is rotatably connected with the lifting frame 31, the output end of the first electric telescopic rod 71 is rotatably connected with the inclined pushing piece 72, a first rotating rod 75 is rotatably connected between the two X-ray imaging plates 34, a first stepper motor 76 is fixedly installed on the surface of the left X-ray imaging plate 34, the left end of the first rotating rod 75 penetrates through one side of the X-ray imaging plate 34 and is fixedly connected with the output shaft of the first stepper motor 76, drive gears 77 are fixedly connected to the surface of the first rotating rod 75, toothed rails 78 are fixedly connected to the two sides of the bottom of the X-ray imaging plate 34, the drive gears 77 are engaged with the toothed rails 78, limiting guide rails 73 are fixedly connected to the opposite sides of the two X-ray imaging plates 34, limiting sliding grooves 74 are formed in the two sides of the X-ray imaging plate 34, the limiting guide rails 73 are slidingly connected in the inner cavities of the limiting sliding grooves 74, through the cooperation of the limiting guide rails 73 and the limiting sliding grooves 74, the X-ray imaging plate 34 is limited and guided, the stability of the X-ray imaging plate 34 in the sliding process is improved, and under the drive of the first stepper motor 76 and the cooperation of the first rotating rod 75, the drive gears 77 and the toothed rails 78, the X-ray imaging plate 34 can be pushed forward and backward, thereby the X-ray imaging plate 34 can reach the specified imaging position, and the accuracy of the imaging position is improved.

[0039] Referring to Figures 1 to 11 The embodiment of the present application also provides a high-altitude strain clamp sub-conductor ray detection system, comprising a UAV and the device, and the body has a hoisting end connected with the UAV. In the embodiment, the device can be hoisted to a high altitude for operation in cooperation with the UAV. In addition, the UAV can be a separate UAV, or wings can be designed on the body, and the UAV can fly to a high altitude for autonomous operation. Both the two modes are acceptable, and the embodiment does not limit the two modes.

[0040] Referring to Figures 1 to 11 The embodiment of the present application also provides a high-altitude strain clamp sub-conductor ray detection method, which is used for the device and comprises the following steps: S1, hoisting the body to a high-altitude strain clamp sub-conductor by using a UAV; S2, adjusting the position of the walking wheel of the variable-distance walking assembly so that the walking wheel is placed on the sub-conductor; S3, moving the variable-distance walking assembly with the X-ray detection assembly to a designated detection position; and S4, after adjusting the detection posture of the X-ray detection assembly, performing ray detection on the split conductor in the strain clamp by using the X-ray detection assembly. In the embodiment, the ground-to-air unmanned detection mode is used to remotely detect the split conductor in the strain clamp, and the variable-wheel-distance self-walking structure is used to meet the detection requirements of different numbers of split sub-conductors.

[0041] Preferably, in the method, the detection can be realized by cooperating with a horizontal calibration assembly, a position adjusting assembly, a anti-falling assembly and the like.

[0042] The following is a detailed detection method:

[0043] Step one, when the ray detection device is used, first hoist the carbon fiber platform 1 to above the cable by using a large load-carrying UAV, so that the limiting groove 11 is clamped on the surface of the cable, then the third stepper motor 415 is started and driven under the cooperation of the belt pulley 416 and the belt, so that the driving rod 410 rotates, the left reciprocating screw rod 411 rotates through the left one-way bearing 412 in the process of rotation of the driving rod 410, the threaded sleeve 413 slides on the surface of the reciprocating screw rod 411 in the process of rotation of the reciprocating screw rod 411 through the threads on the surface of the reciprocating screw rod 411, so that the threaded sleeve 413 drives the roller frame 401, the walking wheel 402 and the limiting wheel 51 to displace, the positioning laser head 414 moves synchronously in the process of displacement of the walking wheel 402, the position of the cable is found by using the positioning laser head 414, after the positioning laser head 414 is aligned with the position of the cable, the third stepper motor 415 reverses to rotate, so that the right reciprocating screw rod 411 rotates, thereby the right walking wheel 402 is aligned, after the walking wheels 402 on both sides are aligned, the third stepper motor 415 stops running.

[0044] When the driving rod 410 drives the reciprocating wire rod 411 to rotate, under the effect of the one-way bearing 412, when the driving rod 410 rotates forward, the driving rod 410 drives the reciprocating wire rod 411 to rotate through the left one-way bearing 412, at this time, the inner and outer rings of the left one-way bearing 412 rotate simultaneously, the inner ring of the right one-way bearing 412 rotates with the driving rod 410, and the outer ring remains static with the reciprocating wire rod 411 on the right; when the driving rod 410 rotates reversely, the driving rod 410 drives the reciprocating wire rod 411 to rotate through the right one-way bearing 412, at this time, the inner and outer rings of the right one-way bearing 412 rotate simultaneously, the inner ring of the left one-way bearing 412 rotates with the driving rod 410, and the outer ring remains static with the reciprocating wire rod 411 on the left;

[0045] Step two, at this time, the four walking wheels 402 are aligned and calibrated, and the limiting wheel 51 moves simultaneously, so that the walking wheels 402 and the limiting wheel 51 are located above and below the cable respectively, then the first stepper motor 408 is turned on and drives the first gear 406 on the left to rotate, the first gear 406 drives the arc-shaped slide plate 405 to rotate through the teeth 407 engaged therewith during rotation, the arc-shaped slide plate 405 drives the driving pin 404 to slide in the inner cavity of the teeth 407 during rotation, thereby enabling the driving pin 404 to drive the roller frame 401 to rotate simultaneously, the roller frame 401 drives the walking wheels 402 to rotate downward during rotation, so that the bottom of the walking wheels 402 is lower than the inner wall of the limiting groove 11, and at the same time, the walking wheels 402 are sleeved on the surface of the cable, until the roller frame 401 rotates into position, the walking wheels 402 support the carbon fiber platform 1 and the carbon fiber box shell 2 upward with the cable as a support platform, so that the inner wall of the limiting groove 11 is out of contact with the surface of the cable;

[0046] Step three, then, the balanced gravity sensor 68 senses the gravity of the carbon fiber platform 1 given to the top of the carbon fiber box shell 2 on both sides, and obtains the gravity difference on both sides, then the fourth stepper motor 64 is turned on through the motor controller, the fourth stepper motor 64 drives the transmission rod 61 to rotate through the two bevel gears 65, the transmission rod 61 drives the second gear 62 to rotate during rotation, the second gear 62 displaces on the surface of the rack 63 engaged therewith during rotation, thereby enabling the carbon fiber platform 1 to be displaced as a whole, so that the carbon fiber platform 1 slides on the top of the carbon fiber box shell 2, thereby enabling the carbon fiber platform 1 to drive the X-ray machine 33 to be located at the center position of the two walking wheels 402, and at the same time, to be the center position of the two cables, the variable moment algorithm used here is as follows:

[0047] Gravity difference algorithm: calculate the difference ΔS=S1-S2 of the signals on both sides;

[0048] If ΔS > 0, it means that the left gravity is greater than the right side;

[0049] If ΔS < 0, it means that the right gravity is greater than the right side;

[0050] If ΔS = 0, it means that both sides of the gravity balance;

[0051] Runtime: ΔS ≠ 0, S1 > S2, positive rotation; S2 > S1, reverse rotation, until ΔS = 0, stop running;

[0052] Step four, then, the second step motor 409 is started and the driving pin 404 is rotated, the driving pin 404 drives the walking wheel 402 to walk on the surface of the cable, after the walking wheel 402 reaches the strain clamp 8, because the strain clamp 8 has a certain slope at the connection with the cable, the walking wheel 402 climbs to the surface of the strain clamp 8 by the rubber anti-skid strip 403 acting on the end of the strain clamp 8 in the process of rotation, until the carbon fiber platform 1 reaches the specified detection position, the electric telescopic rod 57 is started and pushes the connecting plate 56 downward to rotate, so that the five-angle rotating rod 55 rotates and drives the five-angle rotating cylinder 53 to rotate in the inner cavity of the fixed tube 54, at the same time, the supporting rod 52 drives the limiting wheel 51 to rotate, so that the limiting wheel 51 extrudes the bottom of the cable obliquely upward, thereby limiting and locking the detection position of the carbon fiber platform 1;

[0053] Step five, finally, the lifting frame 31 drives the X-ray machine 33 and the X-ray imaging plate 34 to the specified detection position through the rotating frame 32, and rotates the X-ray machine 33 and the X-ray imaging plate 34 through the servo motor 35 to determine the ray imaging position, then uses the X-ray machine 33 and the X-ray imaging plate 34 to detect the cable inside the strain clamp 8.

[0054] In summary: the variable pitch strain clamp sub-conductor ray detection device and method, through the setting of the variable pitch walking assembly 4, the ray detection device is adapted to different pitch cable detection, and the carbon fiber box shell 2 has the ability to walk on the line, through the cooperation of the carbon fiber box shell 2 and the horizontal calibration assembly 6, the center of gravity of the ray detection device is located between the two cables, at the same time, through the setting of the anti-falling assembly 5, the ray detection device is stable after walking and reaching the position, finally, through the setting of the X-ray detection assembly 3, the cable is detected, which can achieve the purpose of adapting to different cable pitch detection, automatic center of gravity calibration and stable operation.

[0055] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. A variable distance tension clamp X-ray detection device, characterized by: The invention relates to a machine body that can be raised to a high altitude, wherein the machine body is provided with an X-ray detection component for detecting sub-conductors and a variable-pitch walking component for carrying the machine body to walk on the sub-conductors, wherein the variable-pitch walking component includes at least four walking wheels, the four walking wheels are arranged in a square and fall on two adjacent sub-conductors, the variable-pitch walking component also includes an adjustment structure for adjusting the distance between two adjacent walking wheels, the two adjacent walking wheels are respectively located on two sub-conductors, and the variable-pitch walking component also includes a driving structure for driving the walking wheels to rise and fall, the driving structure includes a driving member, a first gear driven to rotate by the driving member, an arc-shaped slide plate with teeth, a driving pin fixedly mounted on the arc-shaped slide plate, and an arc-shaped guide rail with an arc-shaped slide groove, the driving pin is slidably arranged in the arc-shaped slide groove, the arc-shaped slide plate and the arc-shaped guide rail have the same bending direction and both are bent along the direction of lifting and lowering of the walking wheel, a plurality of the teeth are arranged in sequence along the bending direction of the arc-shaped slide plate, the first gear is engaged with the teeth, and the walking wheel is mounted on the driving pin.

2. The variable distance tension clamp X-ray detection device according to claim 1, characterized in that: The adjustment structure includes a reciprocating screw rod on the left, a reciprocating screw rod on the right, and a driving member for providing driving force. The driving member is coaxially connected to the reciprocating screw rod on the left through a one-way bearing on the left, and the driving member is coaxially connected to the reciprocating screw rod on the right through a one-way bearing on the right. The reciprocating screw rod on the left and the reciprocating screw rod on the right are both provided with threaded sleeves, and each of the threaded sleeves is provided with the walking wheel.

3. The variable distance tension clamp X-ray detection device according to claim 1, characterized in that: A second arc-shaped slide groove is provided on one side of the arc-shaped slide plate facing the arc-shaped guide rail, and the arc-shaped guide rail cooperates with the second arc-shaped slide groove to limit and guide the arc-shaped slide plate.

4. The variable distance tension clamp X-ray detection device according to claim 1, characterized in that: The traveling wheel is provided with a groove for the sub-conductor to be inserted therein, and the direction in which the groove surrounds is consistent with the direction in which the traveling wheel rotates.

5. The variable distance tension clamp X-ray detection device according to claim 4, characterized in that: An anti-slip strip is provided on the groove wall of the groove.

6. The variable distance tension clamp X-ray detection device according to claim 1, characterized in that: It also includes a horizontal calibration component for adjusting the center position of the X-ray detection component between two adjacent sub-conductors.

7. The variable distance tension clamp X-ray detection device according to claim 1, characterized in that: It also includes an anti-slip assembly for locking the variable-distance traveling assembly on the sub-conductor.

8. A variable distance tension clamp X-ray detection method, characterized by: The device according to any one of claims 1 to 7 comprises the following steps: S1, using a drone to lift the machine body to the high-altitude tension wire clamp conductor; S2, adjusting the position of the traveling wheel of the variable pitch traveling assembly so that the traveling wheel is placed on the sub-conductor; S3, the variable-pitch walking assembly moves the X-ray detection assembly to a designated detection position; S4, after adjusting the detection posture of the X-ray detection assembly, use the X-ray detection assembly to perform radiographic detection on the split line in the tension clamp.

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