CN-121185923-B - Contact line flaw detection device

CN121185923BCN 121185923 BCN121185923 BCN 121185923BCN-121185923-B

Abstract

The invention relates to the technical field of measurement fixing devices, in particular to a contact line flaw detection device which comprises a box body, a first wire feeding mechanism, a shooting assembly, an advancing driving mechanism, a rotation driving mechanism and a second wire feeding mechanism, wherein a partition plate is arranged in the box body, a power supply battery and a remote control module are arranged at the bottom end of the interior of the box body, the first wire feeding mechanism is arranged at one end position of the top surface of the partition plate, the first wire feeding mechanism comprises a mounting frame, the whole mounting frame is spiral, and a plurality of wire clamping wheels are equidistantly arranged on the mounting frame. According to the invention, through the arrangement of the first wire feeding mechanism and the rotary driving mechanism, the lifting wire feeding device is driven to move forward along the contact line by the forward driving mechanism, and when a lifting wire and a lifting wire clamp are encountered, the rotary driving mechanism drives the first wire feeding mechanism and the second wire feeding mechanism to rotate and match with the integral forward of the box body, so that the first wire feeding mechanism and the second wire feeding mechanism move forward in a spiral manner, the lifting wire and the lifting wire clamp are avoided, and the approaching shooting of the contact wire is realized.

Inventors

WANG XIAOTAO
SUN LIANGBO
WANG YUANDONG
Hua siming
QIAN JUNGANG
ZHANG YIMING
CHEN JIE
LIU YAKUI
XUE XIAOWU
ZUO DAJUN
WANG BAOYUN
WANG JIAN
ZHOU CHENGLIN
LIU JIANZE
MA HAO
ZHANG CHENG
JIANG MIN
WANG CHAO
HE ZONGJING

Assignees

中国铁建电气化局集团有限公司
青岛理工大学
哈尔滨工业大学
中国铁建电气化局集团有限公司北京城市轨道工程公司
中铁建电气化局集团第三工程有限公司
中铁建电气化局集团康远新材料有限公司

Dates

Publication Date: 20260512
Application Date: 20251010

Claims (9)

1. A contact line inspection device, comprising: the box body (100) is internally provided with a partition board (110), and the bottom end of the box body (100) is internally provided with a power supply battery and a remote control module; the first wire feeding mechanism (200) is arranged at one end position of the top surface of the partition plate (110), the first wire feeding mechanism (200) comprises a mounting frame (210), the whole mounting frame (210) is spiral, a plurality of wire clamping wheels (220) are equidistantly arranged on the mounting frame (210), and the first wire feeding mechanism (200) is used for being clamped with a contact wire; The second wire feeding mechanism (600) is in mirror image relationship with the first wire feeding mechanism (200); the rotary driving mechanism (500) is arranged on the partition plate (110), and the rotary driving mechanism (500) is used for driving the installation frames (210) on the first wire feeding mechanism (200) and the second wire feeding mechanism (600) to rotate; The number of the forward driving mechanisms (400) is two, the two forward driving mechanisms (400) are respectively arranged at two ends of the partition plate (110), each forward driving mechanism (400) comprises a driving wheel (460) which actively rotates, the driving wheels (460) are attached to the contact line, and the forward driving mechanisms (400) are used for driving the box body (100) to advance along the contact line; The shooting assembly (300) is fixedly arranged at one end position of the box body (100), and the shooting assembly (300) is used for shooting the contact line from the lower part of the contact line; Seven mounting portions (211) are arranged on the mounting frame (210) at equal intervals, ninety degrees are staggered between every two adjacent mounting portions (211), the number of wire clamping wheels (220) in the first wire feeding mechanism (200) is seven, a plurality of wire clamping wheels (220) are in one-to-one correspondence with the mounting portions (211), the wire clamping wheels (220) are mounted on the corresponding mounting portions (211), the forward driving mechanism (400) comprises a first driving motor (470) and a third shaft lever (430), one end of the third shaft lever (430) is fixedly connected with the inner wall of the box body (100), a crank arm (440) is rotationally connected to the middle position of the third shaft lever (430), a second shaft lever (410) is rotationally sleeved at one end of the crank arm (440), an angle sensor (431) is fixedly connected to one end of the third shaft lever (430), the angle sensor (431) is used for detecting the deflection angle of the forward driving mechanism (400), and the second shaft lever (410) and the fourth shaft lever (450) are fixedly sleeved with belt pulleys (420), and the belt pulleys (420) are fixedly connected between the two shaft levers.
2. The contact line flaw detection device according to claim 1, wherein the two ends of the mounting frame (210) are fixedly connected with C-shaped frames (250), a transmission module (240) is connected between the C-shaped frames (250) and the rotary driving mechanism (500) in a transmission manner, and the transmission module (240) is fixed with the partition plate (110).
3. The contact line flaw detection device according to claim 2, wherein 匚 frames (230) are arranged on the outer sides of the wire clamping wheels (220), the 匚 frames (230) are slidably sleeved on the outer sides of the adjacent installation portions (211), first shaft rods (231) are fixedly connected to the bottom ends of the 匚 frames (230), long grooves (212) are formed in the inner walls of the two sides of the installation portions (211), the first shaft rods (231) are slidably connected with the inner walls of the long grooves (212), the wire clamping wheels (220) are rotatably sleeved with the first shaft rods (231) which are adjacent, threaded holes are formed in the top ends of the 匚 frames (230), one ends of the installation portions (211) are rotatably connected with threaded rods (213), and the threaded rods (213) are rotatably connected with the 匚 frames (230) through the threaded holes in the 匚 frames (230).
4. The contact line flaw detection device according to claim 3, wherein the transmission module (240) comprises a fixing frame (244), the bottom end of the fixing frame (244) is fixedly connected with the top surface of the partition plate (110), the top end of the fixing frame (244) is fixedly connected with a C-shaped seat (243), the inner wall of the fixing frame (244) is sequentially and rotatably connected with a transmission gear I (241) and a transmission gear II (242) from bottom to top, the transmission gear I (241) and the transmission gear II (242) are in meshed transmission, the C-shaped frame (250) is rotatably connected with the C-shaped seat (243), the outer side wall of the C-shaped frame (250) is fixedly connected with an arc-shaped toothed bar (251), and the arc-shaped toothed bar (251) is meshed with the transmission gear II (242).
5. The contact line flaw detection device according to claim 4, wherein the rotary driving mechanism (500) comprises a second driving motor (510) and two driving shafts (520), the two driving shafts (520) correspond to the first wire feeding mechanism (200) and the second wire feeding mechanism (600) respectively, the first driving gear (241) is fixedly sleeved with the immediately adjacent driving shaft (520), the second driving motor (510) is mounted on the partition board (110), the second driving motor (510) is in transmission connection with the second driving motor (510), and the two driving shafts (520) are in reverse transmission connection.
6. The contact line flaw detection device according to claim 5, wherein one end of each of the two transmission shafts (520) close to each other is fixedly sleeved with a first bevel gear (530), a seat plate (540) fixedly connected with the inner wall of the box body (100) is arranged above the position between the two transmission shafts (520), a second bevel gear (550) is rotatably connected to the seat plate (540), and the second bevel gear (550) is meshed with the first bevel gear (530).
7. The contact wire inspection device of claim 5 wherein the pitch between the mounting frames (210) in the first and second wire feeding mechanisms (200, 600) is one half the pitch of the mounting frames (210).
8. The contact line flaw detection device according to claim 1, wherein one end of the second shaft lever (410) is fixedly sleeved with a driving wheel (460), one side of the third shaft lever (430) is provided with a fourth shaft lever (450), an output end of the first driving motor (470) is fixedly connected with the fourth shaft lever (450), the fourth shaft lever (450) is in transmission connection with the second shaft lever (410), the fourth shaft lever (450) is coaxial with the third shaft lever (430), the first driving motor (470) is fixedly arranged on the top surface of the partition plate (110), and a torsion spring (432) is fixedly connected between an outer side wall of the bottom end of the crank arm (440) and an outer side wall of the third shaft lever (430).
9. The contact line flaw detection device according to claim 1, wherein the photographing assembly (300) comprises a lens, and the two sides of the lens, which are positioned on the photographing assembly (300), are fixedly provided with light supplementing lamps.

Description

Contact line flaw detection device Technical Field The invention relates to the technical field of measurement fixing devices, in particular to a contact line flaw detection device. Background Contact wires, also called trolley wires, are an important component of the contact net and are generally made in the shape of cylinders with grooves on both sides. The grooves are used for facilitating the installation of the wire clamps and the suspension and fixation of the contact wires without affecting the sliding and current taking of the pantograph slide plate. The part below the contact line, which is in contact with the pantograph slide plate, is in an arc shape and is called a working surface of the contact line. The contact wire directly transmits current to the electric locomotive through sliding friction with an electric bow slide plate on the electric locomotive, and the performance of the contact wire directly influences the current receiving quality of the electric locomotive and the safe operation of the locomotive. The contact line is one of the worst working environments in all power supply wires, and needs to bear impact, vibration, temperature difference change, environmental corrosion, abrasion, electric spark ablation and extremely large working tension in normal operation, so that the performance of the contact line directly influences the safe operation of a high-speed train. The daily detection ‌ of contact line is the important link of ensuring the normal operation of electric locomotive and ensuring train safety, current contact line detection device is mainly applicable to rigid contact net, its detection device moves on the metal pole and closely shoots the contact line of metal pole below, to flexible contact net, because the existence of dropper, lead to the detection of current flexible contact net, shoot through the shooting device of installing on the track dolly again and observe, the shooting distance is farther, it is clear not good to shoot, need one kind can be to the flexible contact net in the contact line near the detection device that detects a flaw. Disclosure of Invention The invention aims to provide a contact line flaw detection device which is used for solving the problems in the background technology. In order to achieve the above purpose, the present invention provides the following technical solutions: A contact line inspection device comprising: the box body is internally provided with a baffle plate, and the bottom end of the box body is internally provided with a power supply battery and a remote control module; The first wire feeding mechanism is arranged at one end of the top surface of the partition plate and comprises a mounting frame, the whole mounting frame is spiral, a plurality of wire clamping wheels are equidistantly arranged on the mounting frame, and the first wire feeding mechanism is used for being clamped with the contact wire; The second wire feeding mechanism is in mirror image relationship with the first wire feeding mechanism; The rotary driving mechanism is arranged on the partition board and is used for driving the installation racks on the first wire feeding mechanism and the second wire feeding mechanism to rotate; the number of the forward driving mechanisms is two, the two forward driving mechanisms are respectively arranged at two ends of the partition plate, each forward driving mechanism comprises a driving wheel which actively rotates, the driving wheels are attached to the contact line, and the forward driving mechanisms are used for driving the box body to advance along the contact line; and the shooting component is fixedly arranged at one end position of the box body and is used for shooting the contact line from the lower part of the contact line. The wire clamping device is characterized in that seven mounting portions are arranged on the mounting frame at equal intervals, every two adjacent mounting portions are staggered by ninety degrees, the number of wire clamping wheels in the first wire feeding mechanism is seven, a plurality of wire clamping wheels are in one-to-one correspondence with the mounting portions, the wire clamping wheels are mounted on the corresponding mounting portions, C-shaped frames are fixedly connected at two ends of the mounting frame, a transmission module is connected between the C-shaped frames and the rotary driving mechanism in a transmission mode, and the transmission module is fixed with the partition plate. The wire clamping wheel is characterized in that a 匚 frame is arranged on the outer side of the wire clamping wheel, a 匚 frame is arranged on the outer side of an adjacent installation portion in a sliding sleeve mode, a first shaft rod is fixedly connected to the bottom end of the 匚 frame, long grooves are formed in the inner walls of the two sides of the installation portion, the first shaft rod is in sliding connection with the inner walls of the long grooves, the wire clamping wheel is