Track overhead line system fault detection device

Abstract

The invention relates to the technical field of fault detection, in particular to a rail overhead line system fault detection device. According to the technical scheme, the sag detection assembly comprises a supporting plate, the inner wall of the supporting plate is in sliding connection with two symmetrically-arranged deviation sliding blocks, a friction deviation plate is connected between the two deviation sliding blocks in an up-down sliding mode, and a bimetallic coil spring is fixedly installed in the supporting plate. The bimetal coil spring is affected by the environment temperature, so that the bimetal coil spring expands with heat and contracts with cold, the bimetal coil spring adjusts the position of a magnetic insulation block through a shifting piece so as to adjust the magnetic attraction area of a magnet to an iron block, the extension length of a hydraulic telescopic rod is changed, the height of a friction offset plate is adjusted, and the friction offset plate can be adjusted at different temperatures. The drooping degrees of normal contact network wires are different, the detection height is adjusted according to the environment temperature, and misjudgment caused by the temperature influence on the drooping degree detection result is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of fault detection, and in particular to a track contact network fault detection device. Background Art

[0002] The rail catenary is a crucial component of the rail transit power supply system, providing electrical energy to rail transit vehicles and enabling their normal operation. The rail catenary typically consists of a contact suspension, support devices, positioning devices, pillars, and foundations. The contact suspension includes the contact wire, load-bearing cables, and droppers. The contact wire is the part that makes direct contact with the pantograph and provides electrical energy to the train. The load-bearing cables bear the weight of the contact wire, maintaining a certain tension and height. The droppers suspend the contact wire from the load-bearing cables, ensuring uniform height and tension at different locations.

[0003] The patent document with announcement number CN114325246B proposes a fault ranging device for the contact network of electrified railways. It can judge the status of the contact network by monitoring the wear of the graphene skateboard, and use the GPS positioning module to determine the position of the contact network segment to achieve contact network fault ranging. By processing the vertical contact network high-voltage transmission line, the contact area between the contact network high-voltage transmission line and the graphene skateboard is increased, thereby ensuring the stability of power transmission.

[0004] However, the length margin reserved during the design and installation of the railway contact network means that the contact network conductor has a certain sag, and the sag of the contact network conductor is different at different temperatures. The contact network conductor expands and sags in a high temperature environment, which will increase the wear of the graphene slide in the above-mentioned electrified railway contact network fault ranging device and affect the accuracy of contact network fault judgment. Summary of the Invention

[0005] The purpose of the present invention is to propose a track contact network fault detection device to solve the problem in the background technology that the contact network conductor sags due to temperature and affects the judgment of the contact network fault.

[0006] The technical solution of the present invention is: a track contact network fault detection device, comprising a detection frame installed on the top of a train, an intermediate block fixedly installed at the top center of the detection frame, and an adjustment frame fixedly installed on the top of the intermediate block;

[0007] The sag detection assembly includes a support plate, the inner wall of the support plate is slidably connected to two symmetrically arranged deviation sliders, a friction deviation plate is slidably connected up and down between the two deviation sliders, a bimetallic coil spring is fixedly installed inside the support plate, an insulating shielding member is provided at the end of the bimetallic coil spring, a magnetic hydraulic component is fixedly installed inside the support plate, the insulating shielding member is located in the middle of the magnetic hydraulic component, a hydraulic telescopic rod is fixedly installed at the top center of the support plate, a pad block slidably connected to the friction deviation plate is fixedly installed on the top of the hydraulic telescopic rod, and the magnetic hydraulic component is connected to the hydraulic telescopic rod.

[0008] The bottom of the support plate is rotatably connected to the adjustment frame. Pantographs in contact with the contact network wires are fixedly installed at both ends of the support plate. The friction offset plate is located between the two pantographs and is lower than the pantographs.

[0009] Optionally, the insulating shielding member includes a sliding piece and a magnetic insulating block, the magnetic insulating block slides inside the support plate, the end of the bimetallic coil spring is fixedly installed with a paddle, the end of the sliding piece is fixedly connected to the magnetic insulating block, and two sliding pieces are provided, and are respectively located on both sides of the paddle.

[0010] Optionally, the magnetic hydraulic component includes a magnet, which is fixedly mounted inside a support plate, an iron block is slidably connected to the inside of the support plate, the iron block is located on the end extension line of the magnet, a coil spring is elastically connected between the end of the iron block away from the magnet and the support plate, a pressure plate is fixedly mounted on the side of the iron block, a hydraulic injector is fixedly mounted on the side of the pressure plate, and the hydraulic injector is connected to the hydraulic telescopic rod through a hydraulic pipe.

[0011] Optionally, the magnetic insulation block is perpendicular to the magnet and the iron block, the magnetic insulation block is located between the magnet and the iron block, the magnetic insulation block is made of a lightweight plastic block, and the interior of the friction offset plate is hollow.

[0012] Optionally, a GPS positioning transmitter is fixedly installed on the top of the support plate and located on the rear side of the friction offset plate, and the front and rear sides of the deviating slider are elastically connected to the support plate with reset springs.

[0013] Optionally, the wind compensation component includes a wind receiving plate, the end of which is rotatably connected to the friction offset plate, a lifting plate is fixedly installed on the top of the wind receiving plate, the top of the friction offset plate is slidably connected to the compensation plate, a lifting groove is provided at the bottom of the compensation plate, and the lifting plate is in contact with the lifting groove.

[0014] Optionally, a torque spring is elastically connected to the connection between the wind-receiving plate and the friction offset plate, and guide sliders are fixedly installed at the four corners of the bottom of the compensation plate. A limiting groove is provided on the top of the friction offset plate, and the guide slider slides up and down in the limiting groove. The guide slider adopts a T-shaped structure, and an avoidance opening for avoiding the wind-receiving plate is provided in the middle of the friction offset plate.

[0015] Optionally, a cleaning assembly is provided at the end of the support plate, and the cleaning assembly includes a receiving groove. The receiving groove is opened inside the support plate, and a shovel plate is slidably connected to the receiving groove. A buffer spring is elastically connected between the end of the shovel plate and the support plate. A first buffer groove is opened on the top of the shovel plate, and a positioning obstacle is provided inside the support plate to engage with the first buffer groove.

[0016] Optionally, the obstruction member includes a positioning block and a spring sheet. The internal sliding connection of the support plate is to a positioning block perpendicular to the shovel plate. The positioning block is clamped with the first buffer groove. The spring sheet is elastically connected between the top of the positioning block and the support plate. The end of the positioning block adopts a triangular structure.

[0017] Optionally, the shovel plate is arranged at an angle, and there is a gap between the end of the shovel plate and the contact network wire. A second buffer groove is provided on the top of the shovel plate and is located behind the first buffer groove. The shape of the second buffer groove is the same as that of the first buffer groove. Cameras are fixedly installed at the front position and the bottom position of the train, and a fill light is fixedly installed on the outer wall of the train and near the camera.

[0018] Compared with the prior art, the present invention has the following beneficial technical effects:

[0019] The present invention affects the bimetallic coil spring by the ambient temperature, causing the bimetallic coil spring to expand and contract with temperature. The bimetallic coil spring uses a paddle to adjust the position of the magnetic insulating block to adjust the magnetic attraction area of ​​the magnet on the iron block, thereby changing the extension length of the hydraulic telescopic rod, thereby adjusting the height of the friction offset plate. Under different temperatures, the sag of the contact network wire in a normal state is different. The detection height is adjusted according to the ambient temperature to avoid the temperature affecting the sag detection result and causing misjudgment.

[0020] Furthermore, when the contact network wire sags and is displaced by the wind, the deflection of the wind-receiving plate is used to drive the lifting plate to rotate, and the lifting plate uses the lifting groove to lift the compensation plate to compensate for the impact of the wind on the contact network wire, and corresponding compensation and correction are made to avoid the impact of wind on the detection accuracy of the sag of the contact network wire.

[0021] Furthermore, when the adhesion of the foreign matter is small, the shovel will remove the foreign matter to prevent the foreign matter from affecting the contact between the pantograph and the contact network wire and affecting the sag detection. When the adhesion of the foreign matter is large, the foreign matter cannot be removed directly. By storing the shovel in the storage slot, the foreign matter can be prevented from getting stuck in the shovel and affecting the movement of the support plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 Provide a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 It is a schematic diagram of the structure of the deviating slider of the present invention;

[0024] Figure 3 for Figure 2 A part of the bimetallic coil spring structure is enlarged;

[0025] Figure 4 This is a schematic structural diagram of the hydraulic telescopic rod of the present invention;

[0026] Figure 5 It is a schematic cross-sectional view of the support plate structure of the present invention;

[0027] Figure 6 This is a schematic diagram of the compensation plate structure of the present invention;

[0028] Figure 7 It is a schematic diagram of the front cross-section of the friction offset plate structure;

[0029] Figure 8 This is a schematic diagram of the shovel plate structure of the present invention;

[0030] Figure 9 It is a schematic diagram of the main cross-section of the support plate structure;

[0031] Figure 10 Diagram of the detection system.

[0032] 1. Detection frame; 2. Intermediate block; 3. Adjustment frame; 4. Pantograph; 5. Sag detection assembly; 51. Support plate; 52. Deviation slider; 53. Friction offset plate; 54. Bimetallic coil spring; 55. Shifter; 56. Magnetic insulating block; 57. Magnet; 58. Iron block; 59. Coil spring; 510. Pressure plate; 511. Hydraulic injector; 512. Hydraulic telescopic rod; 513. Heightening block; 514. Return spring; 6. GPS positioning transmitter; 7. Wind compensation assembly; 71. Wind receiving plate; 72. Torque spring; 73. Lifting plate; 74. Compensation plate; 75. Lifting groove; 76. Avoidance port; 77. Guide slider; 78. Limiting slide; 8. Cleaning assembly; 81. Storage groove; 82. Shovel plate; 83. Buffer spring; 84. First buffer groove; 85. Second buffer groove; 86. Positioning block; 87. Spring sheet. DETAILED DESCRIPTION

[0033] The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0034] The components of the embodiments of the present invention generally described and shown in the drawings herein may be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention.

[0035] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of the present invention.

[0036] In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate and simplify the description of the present invention. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation, and therefore should not be construed as limitations on the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0037] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0038] Example 1

[0039] This embodiment provides a track contact network fault detection device, such as Figure 1 As shown, it includes a detection frame 1 installed on the top of the train, an intermediate block 2 is fixedly installed at the top center of the detection frame 1, and an adjustment frame 3 is fixedly installed on the top of the intermediate block 2.

[0040] like Figure 10As shown, a front camera for inspection is fixedly installed at the front of the train, and a front fill light is fixedly installed near the front camera to assist the front camera in monitoring railway conditions. A bottom camera and a bottom fill light are fixedly installed at the bottom of the train, powered by a UPS power supply, and used to assist in inspection.

[0041] The locomotive camera can inspect railway facilities along the line, such as the wear of the tracks, the correct positioning of switches, and the condition of the contact network. By capturing and analyzing images in real time, equipment failures and hidden dangers can be discovered promptly, allowing for proactive maintenance measures and ensuring the normal operation of the railway line.

[0042] The undercarriage camera can capture the condition of undercarriage components and check for abnormal conditions such as loose components, wear, cracks, oil leaks, etc. It provides intuitive image data for train maintenance personnel, helping them to more accurately determine the location and extent of faults in undercarriage components, thereby improving maintenance efficiency and quality.

[0043] like Figure 2 and Figure 3 As shown, a sag detection component 5 is provided on the top of the adjustment frame 3, and the sag detection component 5 includes a support plate 51. The bottom of the support plate 51 is rotatably connected to the adjustment frame 3, and the inner wall of the support plate 51 is slidably connected with two symmetrically arranged deviation sliders 52. A friction deviation plate 53 is slidably connected between the two deviation sliders 52. A pantograph 4 in contact with the contact network wire is fixedly installed at both ends of the support plate 51. The friction deviation plate 53 is located between the two pantographs 4 and is lower in height than the pantograph 4. The pantograph 4 is in contact with the contact network wire to receive electricity.

[0044] The bottom of the support plate 51 is rotatably connected to the adjustment frame 3 , and pantographs 4 in contact with the contact wire are fixedly installed at both ends of the support plate 51 . The friction offset plate 53 is located between the two pantographs 4 and is lower than the pantographs 4 .

[0045] A GPS positioning transmitter 6 is fixedly installed on the top of the support plate 51 and on the rear side of the friction offset plate 53. When the sag of the contact network wire is normal, the contact network wire has no contact with the friction offset plate 53. When the sag of the contact network wire reaches a set value, the friction offset plate 53 contacts the contact network, and as the train moves, the friction offset plate 53 is displaced and contacts the GPS positioning transmitter 6. A GPS component is provided inside the support plate 51. When the GPS positioning transmitter 6 is contacted, it will control the GPS component to send the position to prompt the fault location.

[0046] The front and rear sides of the deviation slider 52 are elastically connected to the support plate 51 with a return spring 514. The interior of the friction deviation plate 53 is hollow to facilitate movement. At the same time, the return spring 514 is used to reset the friction deviation plate 53 to detect the fault network at the next position.

[0047] like Figure 3 As shown, a bimetallic coil spring 54 is fixedly installed inside the support plate 51, a magnetic hydraulic component is fixedly installed inside the support plate 51, the insulating shielding component includes a shifting piece 55 and a magnetic insulating block 56, the magnetic insulating block 56 slides inside the support plate 51, a paddle is fixedly installed at the end of the bimetallic coil spring 54, the end of the shifting piece 55 is fixedly connected to the magnetic insulating block 56, two shifting pieces 55 are provided, and are respectively located on both sides of the paddle.

[0048] The ambient temperature affects the bimetallic coil spring 54 , causing the bimetallic coil spring 54 to expand and use the paddle to drive the shifting piece 55 to move. The magnetic insulating block 56 is a lightweight plastic block, thereby changing the position of the magnetic insulating block 56 .

[0049] The end of the bimetallic coil spring 54 is provided with an insulating shielding part located in the middle position of the magnetic hydraulic component. The magnetic hydraulic component includes a magnet 57, which is fixedly mounted inside the support plate 51. The support plate 51 is slidably connected to an iron block 58. The iron block 58 is located on the extension line of the end of the magnet 57. A coil spring 59 is elastically connected between the end of the iron block 58 away from the magnet 57 and the support plate 51. A pressure plate 510 is fixedly mounted on the side of the iron block 58. A hydraulic injector 511 is fixedly mounted on the side of the pressure plate 510. The hydraulic injector 511 is connected to the hydraulic telescopic rod 512 through a hydraulic pipe.

[0050] like Figure 4 and Figure 5 As shown, a hydraulic telescopic rod 512 is fixedly installed at the top center of the support plate 51, and a pad block 513 slidably connected to the friction offset plate 53 is fixedly installed on the top of the hydraulic telescopic rod 512, and the magnetic hydraulic component is connected to the hydraulic telescopic rod 512.

[0051] The magnetic insulating block 56 is perpendicular to the magnet 57 and the iron block 58. The magnetic insulating block 56 is located between the magnet 57 and the iron block 58. When the ambient temperature is low, the contact network conductor shrinks due to cold and the sag is reduced. The bimetallic coil spring 54 is affected by the temperature and retracts, causing the shifting plate 55 and the magnetic insulating block 56 to move. The magnetic insulating block 56 moves away from the magnet 57 and the iron block 58, increasing the magnetic attraction area of ​​the magnet 57 on the iron block 58, thereby increasing the suction force exerted by the magnet 57 on the iron block 58, so that the iron block 58 moves toward the magnet 57 and stretches the coil spring 59. The iron block 58 uses the pressure plate 510 to press the hydraulic oil in the hydraulic injector 511 into the hydraulic telescopic rod 512, thereby causing the pad 513 to move upward and lift the friction offset plate 53 to detect the sag of the contact network conductor.

[0052] When the ambient temperature is high, the contact network conductor expands due to thermal expansion and the sag increases. At this time, the bimetallic coil spring 54 is affected by the temperature and expands, and the shifting piece 55 and the magnetic insulating block 56 move. The magnetic insulating block 56 moves toward the center of the magnet 57 and the iron block 58, reducing the magnetic attraction area of ​​the magnet 57 on the iron block 58, thereby reducing the suction force exerted by the magnet 57 on the iron block 58, so that the coil spring 59 pulls the iron block 58. The iron block 58 uses the pressure plate 510 and the hydraulic injector 511 to recover the hydraulic oil in the hydraulic telescopic rod 512, so that the pad block 513 drives the friction offset plate 53 downward to detect the sag of the contact network conductor.

[0053] In this embodiment, the bimetallic coil spring 54 expands and contracts with heat and the position of the magnetic insulating block 56 is adjusted by using a paddle to adjust the magnetic attraction area of ​​the magnet 57 on the iron block 58, thereby changing the extension length of the hydraulic telescopic rod 512, thereby adjusting the height of the friction offset plate 53. At different temperatures, the sag of the contact network wire in a normal state is different. The detection height is adjusted according to the ambient temperature to avoid the temperature affecting the sag detection result and causing misjudgment.

[0054] Example 2

[0055] Based on Example 1, this embodiment proposes a track contact network fault detection device, such as Figure 6 As shown, a wind compensation component 7 is provided on the top of the friction offset plate 53, and the wind compensation component 7 includes a wind receiving plate 71. The end of the wind receiving plate 71 is rotatably connected to the friction offset plate 53. A torque spring 72 is elastically connected to the connection between the wind receiving plate 71 and the friction offset plate 53. A lifting plate 73 is fixedly installed on the top of the wind receiving plate 71. The top of the friction offset plate 53 is slidably connected to a compensation plate 74. A lifting groove 75 is provided at the bottom of the compensation plate 74, and the lifting plate 73 is in contact with the lifting groove 75.

[0056] The wind receiving plate 71 adopts a plate-shaped structure, and the wind receiving plate 71 is parallel to the direction of train travel. When the contact network wire sags and is blown by the wind to produce displacement, the lowest point of the contact network wire is higher than the height when there is no wind. The wind receiving plate 71 is rotated by the wind, and the wind receiving plate 71 deflects and compresses the torque spring 72 and drives the lifting plate 73 to rotate. The lifting plate 73 uses the lifting groove 75 to lift the compensation plate 74 to compensate for the influence of the wind on the contact network wire.

[0057] like Figure 7As shown, guide sliders 77 are fixedly installed at the four corners of the bottom of the compensation plate 74, and a limiting slide groove 78 is provided on the top of the friction offset plate 53. The guide slider 77 slides up and down in the limiting slide groove 78. The guide slider 77 adopts a T-shaped structure. A avoidance opening 76 for avoiding the wind-receiving plate 71 is provided in the middle of the friction offset plate 53. The lifting plate 73 lifts the compensation plate 74 from the bottom and near the center, and the four guide sliders 77 and the limiting slide groove 78 cooperate to lift the compensation plate 74 horizontally to avoid tilting. The guide slider 77 adopts a T-shaped structure to prevent the compensation plate 74 from detaching from the top of the friction offset plate 53.

[0058] In this embodiment, when the contact network conductor sags and is displaced by the wind, the deflection of the wind-receiving plate 71 is used to drive the lifting plate 73 to rotate, and the lifting plate 73 uses the lifting groove 75 to lift the compensation plate 74 to compensate for the influence of the wind on the contact network conductor, and corresponding compensation and correction are made to avoid the impact of the wind on the detection accuracy of the sag of the contact network conductor.

[0059] Example 3

[0060] Based on the above embodiment 1 or embodiment 2, this embodiment proposes a track contact network fault detection device, such as Figure 8 and Figure 9 As shown, a cleaning assembly 8 is provided at the end of the support plate 51. The cleaning assembly 8 includes a receiving slot 81. The receiving slot 81 is defined within the support plate 51. A shovel plate 82 is slidably connected to the receiving slot 81. A buffer spring 83 is elastically connected between the end of the shovel plate 82 and the support plate 51. A first buffer slot 84 is defined at the top of the shovel plate 82. A positioning block is provided within the support plate 51 to engage with the first buffer slot 84. The shovel plate 82 is tilted, with a gap between the end of the shovel plate 82 and the contact wire. The end of the positioning block 86 has a triangular structure.

[0061] During the train's travel, the support plate 51 moves with the train. When there is mud on the contact wire, the foreign matter is removed by the shovel plate 82 in front of the support plate 51 to prevent the foreign matter from affecting the contact between the pantograph 4 and the contact wire and affecting the sag detection.

[0062] like Figure 9 As shown, the blocking member includes a positioning block 86 and a spring piece 87. The interior of the support plate 51 is slidably connected to the positioning block 86 perpendicular to the shovel plate 82, and the positioning block 86 is engaged with the first buffer groove 84. The top of the positioning block 86 is elastically connected to the spring piece 87 between the support plate 51.

[0063] When the adhesion between the foreign object and the contact network is large, the shovel plate 82 breaks through the restriction of the positioning block 86 and the spring sheet 87 on the first buffer groove 84, so that the shovel plate 82 is retracted into the receiving groove 81 and the buffer spring 83 is compressed to prevent the foreign object from getting stuck in the shovel plate 82 and at the same time issue a warning.

[0064] A second buffer groove 85 is formed on the top of the shovel plate 82, located behind the first buffer groove 84. The second buffer groove 85 has the same shape as the first buffer groove 84. The first buffer groove 84 and the second buffer groove 85 cooperate to reduce the effect of the elastic force of the buffer spring 83 on the shovel plate 82, preventing the shovel plate 82 from continuously reciprocating and striking the contact network, causing damage to the contact network.

[0065] In this embodiment, when the adhesion of the foreign matter is small, the shovel plate 82 removes the foreign matter to prevent the foreign matter from affecting the contact between the pantograph 4 and the contact network wire and affecting the sag detection. When the adhesion of the foreign matter is large, the foreign matter cannot be removed directly. By storing the shovel plate 82 in the storage groove 81, the foreign matter is prevented from getting stuck in the shovel plate 82.

[0066] The above specific embodiments are merely several optional embodiments of the present invention. Based on the technical solutions of the present invention and the relevant inspirations of the above embodiments, those skilled in the art may make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A track contact network fault detection device, comprising a detection frame (1) mounted on the top of a train with cameras on both the front and bottom of the train, an intermediate block (2) fixedly mounted at the top center of the detection frame (1), and an adjustment frame (3) fixedly mounted on the top of the intermediate block (2), characterized in that: The sag detection assembly (5) comprises a support plate (51), the inner wall of the support plate (51) is slidably connected to two symmetrically arranged deviation sliders (52), a friction deviation plate (53) is slidably connected between the two deviation sliders (52), a bimetallic coil spring (54) is fixedly installed inside the support plate (51), a magnetic hydraulic component is fixedly installed inside the support plate (51), an insulating shielding component is provided at the end of the bimetallic coil spring (54) and is located in the middle of the magnetic hydraulic component, a hydraulic telescopic rod (512) is fixedly installed at the top center of the support plate (51), a padding block (513) slidably connected to the friction deviation plate (53) is fixedly installed on the top of the hydraulic telescopic rod (512), and the magnetic hydraulic component is connected to the hydraulic telescopic rod (512); The bottom of the support plate (51) is rotatably connected to the adjustment frame (3); pantographs (4) in contact with the contact network wire are fixedly installed at both ends of the support plate (51); the friction offset plate (53) is located between the two pantographs (4) and is lower in height than the pantographs (4); and a wind compensation component (7) is provided on the top of the friction offset plate (53).

2. A track contact network fault detection device according to claim 1, characterized in that: The insulating shielding member comprises a shifting piece (55) and a magnetic insulating block (56); the magnetic insulating block (56) slides inside the supporting plate (51); a shifting piece is fixedly mounted on the end of the bimetallic coil spring (54); the end of the shifting piece (55) is fixedly connected to the magnetic insulating block (56); two shifting pieces (55) are provided and are respectively located on both sides of the shifting piece.

3. A track contact network fault detection device according to claim 2, characterized in that: The magnetic hydraulic component comprises a magnet (57), wherein the magnet (57) is fixedly mounted inside a support plate (51), an iron block (58) is slidably connected inside the support plate (51), and the iron block (58) is located on an extension line of the end of the magnet (57). A coil spring (59) is elastically connected between the end of the iron block (58) away from the magnet (57) and the support plate (51), a pressure plate (510) is fixedly mounted on the side of the iron block (58), and a hydraulic injector (511) is fixedly mounted on the side of the pressure plate (510), and the hydraulic injector (511) is connected to the hydraulic telescopic rod (512) through a hydraulic pipe.

4. A track contact network fault detection device according to claim 3, characterized in that: The magnetic insulating block (56) is perpendicular to the magnet (57) and the iron block (58), and is located between the magnet (57) and the iron block (58). The magnetic insulating block (56) is made of a lightweight plastic block, and the interior of the friction offset plate (53) is hollow.

5. A track contact network fault detection device according to claim 4, characterized in that: A GPS positioning transmitter (6) is fixedly installed on the top of the support plate (51) and located on the rear side of the friction offset plate (53), and the front and rear sides of the offset slider (52) are elastically connected to the support plate (51) with a return spring (514).

6. A track contact network fault detection device according to claim 5, characterized in that: The wind force compensation component (7) includes a wind receiving plate (71), the end of the wind receiving plate (71) is rotatably connected to the friction offset plate (53), a lifting plate (73) is fixedly installed on the top of the wind receiving plate (71), the top of the friction offset plate (53) is slidably connected to the compensation plate (74) up and down, a lifting groove (75) is provided at the bottom of the compensation plate (74), and the lifting plate (73) is in contact with the lifting groove (75).

7. A track contact network fault detection device according to claim 6, characterized in that: The connection between the wind receiving plate (71) and the friction offset plate (53) is elastically connected with a torque spring (72); the four corners of the bottom of the compensation plate (74) are fixedly installed with guide sliders (77); the top of the friction offset plate (53) is provided with a limiting slide groove (78); the guide slider (77) slides up and down in the limiting slide groove (78); the guide slider (77) adopts a T-shaped structure; the middle of the friction offset plate (53) is provided with an avoidance opening (76) for avoiding the wind receiving plate (71).

8. The track contact network fault detection device according to claim 1, characterized in that: A cleaning assembly (8) is provided at the end of the support plate (51), and the cleaning assembly (8) includes a receiving groove (81). The receiving groove (81) is provided inside the support plate (51), and a shovel plate (82) is slidably connected to the receiving groove (81). A buffer spring (83) is elastically connected between the end of the shovel plate (82) and the support plate (51), and a first buffer groove (84) is provided on the top of the shovel plate (82). A positioning obstruction member that is engaged with the first buffer groove (84) is provided inside the support plate (51).

9. A track contact network fault detection device according to claim 8, characterized in that: The obstruction member includes a positioning block (86) and a spring sheet (87). The interior of the support plate (51) is slidably connected to the positioning block (86) which is perpendicular to the shovel plate (82). The positioning block (86) is engaged with the first buffer groove (84). The top of the positioning block (86) is elastically connected to the spring sheet (87) between the support plate (51). The end of the positioning block (86) adopts a triangular structure.

10. A track contact network fault detection device according to claim 9, characterized in that: The shovel plate (82) is tilted, and there is a gap between the end of the shovel plate (82) and the contact network wire. The top of the shovel plate (82) is provided with a second buffer groove (85) located behind the first buffer groove (84). The shape of the second buffer groove (85) is the same as that of the first buffer groove (84). Cameras are fixedly installed at the front position and the bottom position of the train. A fill light is fixedly installed on the outer wall of the train and at a position close to the camera.

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