CN118169607A - Urban rail transit traction network overhauls ground return circuit broken string monitoring devices - Google Patents
Urban rail transit traction network overhauls ground return circuit broken string monitoring devices Download PDFInfo
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Abstract
The invention relates to the field of urban rail transit, and discloses an urban rail transit traction network maintenance grounding loop disconnection monitoring device which comprises a rail, a driving vehicle, a lifting device, an operating frame and a driving unit, wherein the driving vehicle is used for timely moving to a required maintenance position when a skylight is repaired, so that the time waste is avoided, the maintenance time of workers is prolonged, the number of workers to be assisted can be properly reduced, the working efficiency is improved, and the lifting device, the operating frame and the driving unit are linked, so that the lifting device, the operating frame and the driving unit are used for providing necessary electric shock protection for the workers when the workers maintain a contact network and are separated from a dangerous area when accidents happen, thereby ensuring the life safety of the workers.
Description
Technical Field
The invention relates to the field of urban rail transit, in particular to a broken line monitoring device for an overhaul grounding loop of an urban rail transit traction network.
Background
The traction power supply system of urban rail transit is a key system for providing power, wherein the contact net is used as a part for conveying electric energy, and the state of the contact net directly relates to whether a train can safely and reliably run. Therefore, regular maintenance of the contact network is necessary to ensure normal operation of the system and safety of passengers.
Through mass search, the prior art with publication number CN115453412A discloses a broken line monitoring device for an overhaul grounding loop of an urban rail transit traction network, and the broken line monitoring device is used for measuring the conduction condition of the traction network under normal operation conditions and the grounding loop after the operation is stopped, has a traction power supply loop discharging function, fills the monitoring function of the grounding effect of a visual grounding loop, and improves the safety of operation and maintenance work.
Therefore, based on the above search and in combination with the existing technology, when the contact net is actually overhauled, there is a possibility that the contact net is accidentally electrified due to misoperation or equipment failure, at this time, if an overhauler is not aware of nothing, accidents can happen, and meanwhile, most of the contact net is in a skylight repairing period, during which the maintenance is needed, so that the time is urgent, a plurality of overhaulers are needed to be overhauled in the field, and the contact net needs to be grounded before the maintenance, at this time, when the contact net is suddenly electrified, electric power can form a loop through the ground, so that the overhauler assisted below is easy to cause casualties due to step voltage, and therefore, the maintenance ground loop disconnection monitoring device for the urban rail transit traction net is provided.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the broken line monitoring device for the overhaul grounding circuit of the urban rail transit traction network, which has the advantages of high safety, quick maintenance of auxiliary maintainers and the like, and solves the series of problems of casualties and the like caused by accidental electrification of the contact network.
In order to achieve the above purpose, the present invention provides the following technical solutions: a broken line monitoring device for an overhaul grounding loop of an urban rail transit traction network comprises
The track comprises a rail, wherein the top of the rail is fixedly connected with a high-pressure rod, and the top of the high-pressure rod is fixedly connected with a contact net;
The driving vehicle is characterized in that two sides of the driving vehicle are respectively and rotatably connected with a supporting rotating rod, two ends of each supporting rotating rod are respectively and fixedly connected with a roller, the outer parts of the four rollers are respectively and fixedly sleeved with an insulating sleeve, the insulating sleeves are made of insulating materials, the four insulating sleeves are respectively matched with corresponding rails, the top of the driving vehicle is fixedly connected with a mounting frame, the top of the mounting frame is fixedly provided with a lifting device, and the top of the lifting device is fixedly connected with an operating frame;
The driving unit is fixedly arranged at the bottom of the inner wall of the driving vehicle and comprises a transformer fixedly arranged at the bottom of the inner wall of the driving vehicle, a storage battery is fixedly arranged at the bottom of the inner wall of the driving vehicle, two non-contact voltage detectors are fixedly arranged at the bottom of the driving vehicle, a driving motor is fixedly arranged at the bottom of the inner wall of the driving vehicle, and the driving unit is linked with the driving vehicle and a lifting device and used for providing necessary electric shock protection for workers when the workers maintain a contact network.
Preferably, the lifting device further comprises a mounting frame fixedly connected to the top of the driving vehicle, a first sliding shell is fixedly connected to the top of the mounting frame, a second sliding shell is fixedly connected to the top of the mounting frame, and telescopic frames are slidably connected to the first sliding shell and the second sliding shell.
Preferably, the inside of second smooth shell rotates and is connected with lifting gear, the inside sliding connection of second smooth shell has two sliding racks, and two sliding racks all mesh with lifting gear, and two lifting gear all with sliding connection at the inside one end fixed connection of corresponding expansion bracket of second smooth shell.
Preferably, the top sliding connection of expansion bracket has the operation panel, the top fixed mounting of mounting bracket has two spacing telescopic links, and two spacing telescopic links are symmetrical arrangement, and the top of two spacing telescopic links is all with the bottom fixed connection of operation panel.
Preferably, the driving unit further comprises a rotating shaft fixedly connected to the output end of the driving motor, a sliding sleeve is slidably connected to the outer portion of the rotating shaft, a driving plate is rotatably connected to the outer portion of the sliding sleeve, an air cylinder is fixedly connected to the bottom of the inner wall of the driving vehicle, the output end of the air cylinder is fixedly connected to one side of the driving plate, a meshing block is fixedly connected to the inner portion of the sliding sleeve, a transmission rod is rotatably connected to the inner portion of the sliding sleeve, and one side of the transmission rod is meshed with one side of the meshing block.
Preferably, the outside rotation that two support bull sticks are connected with same guard plate, the one end of transfer line extends to the inside of guard plate, and the connection is in inner wall one side of guard plate, the transfer line all fixedly connected with drive gear with the outside of two support bull sticks, and a first driving belt has been cup jointed in the outside activity of three drive gear.
Preferably, the outside of the transmission rod is rotatably connected with a transmission cylinder, one side of the meshing block is meshed with one side of the transmission cylinder, and the transmission cylinder and the outside of the lifting gear are movably sleeved with the same second transmission belt.
Preferably, limiting plates are fixedly connected to two sides of the driving vehicle, limiting grooves are formed in the limiting plates, and two limiting rods are connected to the limiting grooves in a sliding mode.
Preferably, a limiting spring is arranged on one side opposite to the two limiting rods, two ends of the limiting spring are fixedly connected with one side of the corresponding limiting rod, one limiting rope is fixedly connected to the other side opposite to the two limiting rods, and a driving rope is fixedly connected to the outer portion of the limiting rope.
Preferably, a lifting groove is formed in one side of the limiting plate, the lifting groove is communicated with the limiting groove, one end of the driving rope is fixedly connected with a driving block, the driving block is slidably connected to the top of the lifting groove, and the limiting rod is matched with one side of the rail.
Compared with the prior art, the invention provides the broken line monitoring device for the overhaul grounding circuit of the urban rail transit traction network, which has the following beneficial effects: through the driving car that sets up for when the skylight is repaiied, in time remove to required maintenance position, avoid the waste of time, thereby extension staff's maintenance time, improvement work efficiency in the time of can suitably reducing auxiliary operation personnel number simultaneously, through elevating gear, handling frame and the drive unit linkage that sets up, be used for providing necessary electric shock protection for the staff when the staff maintains the contact network, and break away from the danger area when unexpected, thereby guarantee staff's life safety.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the internal structure of the driving vehicle of the present invention;
FIG. 3 is a schematic perspective view of another view of the present invention;
FIG. 4 is a schematic perspective view of a lifting gear portion of the present invention;
FIG. 5 is a schematic perspective view of the engagement block portion of the present invention;
FIG. 6 is a schematic perspective view of the handling frame portion of the present invention;
FIG. 7 is a schematic perspective view of a guard bar portion of the present invention;
FIG. 8 is a schematic view showing the internal structure of the limiting plate portion of the present invention;
FIG. 9 is a schematic perspective view of a trough lifting portion of the present invention;
Fig. 10 is a schematic perspective view of a stop lever portion of the present invention.
In the figure: 1. a track; 2. a drive vehicle; 3. a lifting device; 4. an operation rack; 5. a driving unit; 6. a rail; 7. a high pressure lever; 8. contact net; 9. a transformer; 10. a receiving rod; 11. a storage battery; 12. a non-contact voltage detector; 13. a driving motor; 14. supporting a rotating rod; 15. a roller; 16. an insulating sleeve; 17. a mounting frame; 18. a first slide case; 19. a telescopic frame; 20. a second slide case; 21. a work table; 22. a protective door; 23. a limiting telescopic rod; 24. an insulating cylinder; 25. a ground clip; 26. a first fixed spring piece; 27. a grounding fork; 28. a second fixed spring piece; 29. a protective groove; 30. a protective switch; 31. a protective rod; 32. a movable groove; 33. a movable rod; 34. a movable spring; 35. a limiting plate; 36. a limit groove; 37. a limit rod; 38. a limit spring; 39. a limit rope; 40. a drive rope; 41. lifting a groove; 42. a driving block; 43. a rotating shaft; 44. a sliding sleeve; 45. a meshing block; 46. a transmission rod; 47. a protection plate; 48. a drive gear; 49. a first drive belt; 50. a transmission cylinder; 51. a second drive belt; 52. a lifting gear; 53. sliding racks; 54. a cylinder; 55. and a driving plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As introduced by the background art, the application provides a broken line monitoring device for an overhaul grounding circuit of an urban rail transit traction network, which aims to solve the technical problems.
In an exemplary embodiment of the present application, as shown in fig. 1-3, an apparatus for monitoring disconnection of an overhaul grounding circuit of an urban rail transit traction network comprises
Track 1 for the power supply of high-speed railway, track 1 includes rail 6, and the top fixedly connected with high-pressure pole 7 of rail 6, the top fixedly connected with contact net 8 of high-pressure pole 7.
The driving vehicle 2 is used for timely moving to a required maintenance position when a skylight is repaired, shortening the maintenance time of workers, the two sides of the driving vehicle 2 are respectively and rotatably connected with a supporting rotating rod 14, the two ends of the two supporting rotating rods 14 are respectively and fixedly connected with idler wheels 15, the outer parts of the four idler wheels 15 are respectively and fixedly sleeved with an insulating sleeve 16, the insulating sleeves 16 are made of insulating materials, the four insulating sleeves 16 are respectively and fixedly connected with a mounting frame 17 on the top of the driving vehicle 2, the top of the mounting frame 17 is fixedly provided with a lifting device 3, the top of the lifting device 3 is fixedly connected with an operating frame 4, in particular, the operating frame 4 is used for providing a safe operation place for the workers, the lifting device 3 is used for lifting or descending the operating frame 4, providing a proper height convenient for maintenance for the workers, the rush-repair speed can be indirectly improved, one side of the operating frame 4 is movably connected with two insulating cylinders 24, the top of the insulating cylinder 24 is fixedly connected with a grounding clamp 25, the grounding clamp 25 is hung at the top of the operating frame 4, the grounding clamp 25 is matched with the high-voltage rod 7, the two sides of the inner wall of the grounding clamp 25 are fixedly connected with a first fixed spring piece 26 to prevent the grounding clamp 25 from falling off after being clamped with the high-voltage rod 7, the bottom of the insulating cylinder 24 is rotationally connected with a grounding fork 27, the grounding fork 27 is matched with the rail 6, the two sides of the inner wall of the grounding fork 27 are fixedly connected with a second fixed spring piece 28 to prevent the grounding fork 27 from falling off after being clamped outside the rail 6, the top of the grounding fork 27 is electrically connected with a grounding wire, the grounding wire penetrates through the insulating cylinder 24 and is electrically connected with the bottom of the grounding clamp 25, the length of the grounding wire is larger than that of the insulating cylinder 24 and is piled up inside the insulating cylinder 24, more specifically, before the contact net 8 is maintained, when the contact net 8 is detected to be uncharged or has residual voltage, the contact net 8 is grounded, and as power supply equipment is arranged at two ends of the contact net 8 to supply power to the contact net, when the driving vehicle 2 moves to one end of power failure, one grounding fork 27 is clamped with the rail 6, the insulating cylinder 24 is rotated to separate the insulating cylinder 24 from the grounding fork 27, the grounding wire extends to the outside of the insulating cylinder 24, the grounding clamp 25 is hung at the discharging end of the high-voltage rod 7 at the moment, and then the other end of the power failure is grounded by the driving vehicle 2, and the residual voltage is released through grounding.
The driving unit 5, the inner wall bottom at driving car 2 is fixed mounting to driving unit 5, driving unit 5 includes the transformer 9 of fixed mounting in driving car 2 inner wall bottom, driving car 2's inner wall bottom fixed mounting has battery 11, driving car 2's bottom fixed mounting has two non-contact voltage detector 12, two non-contact voltage detector 12 are symmetrical arrangement, driving car 2's inner wall bottom fixed mounting has driving motor 13, driving unit 5 and driving car 2 and elevating gear 3 are used for providing necessary electric shock protection for the staff when the staff maintains contact net 8, specifically, when driving car 2 moves to the maintenance region, can detect out through driving unit 5 that the maintenance region is electrified, and when detecting that the maintenance region is electrified, take the maintenance staff to the safe region, avoid causing the injury to the health of maintenance staff.
As shown in fig. 3 and 4, the lifting device 3 further includes a mounting frame 17 fixedly connected to the top of the driving vehicle 2, the top of the mounting frame 17 is fixedly connected with a first sliding shell 18, the top of the mounting frame 17 is fixedly connected with a second sliding shell 20, the first sliding shell 18 and the inside of the second sliding shell 20 are both slidably connected with a telescopic frame 19, the inside of the second sliding shell 20 is rotatably connected with a lifting gear 52, the inside of the second sliding shell 20 is slidably connected with two sliding racks 53, the two sliding racks 53 are engaged with the lifting gear 52, the two lifting gears 52 are fixedly connected with one end of the corresponding telescopic frame 19 slidably connected to the inside of the second sliding shell 20, so that the lifting gear 52 is rotated, the two sliding racks 53 slide reversely in the inside of the second sliding shell 20, thereby driving the telescopic frame 19 to extend or retract, the top of the telescopic frame 19 is slidably connected with an operating frame 4, the top of the mounting frame 17 is fixedly provided with two limiting telescopic rods 23, the tops of the two limiting telescopic rods 23 are symmetrically arranged, and the two limiting telescopic springs are both movably connected with the two limiting telescopic rods 23.
As shown in fig. 2, 4 and 5, the driving unit 5 further comprises a rotating shaft 43 fixedly connected to the output end of the driving motor 13, a sliding sleeve 44 is slidably connected to the outer part of the rotating shaft 43, a sliding groove is formed in the outer part of the rotating shaft 43, a sliding block is fixedly connected to the inner part of the sliding sleeve 44 and slidably connected to the inner part of the sliding groove, the sliding sleeve 44 is prevented from rotating along with the rotating shaft 43 when the rotating shaft 43 rotates, a driving plate 55 is rotatably connected to the outer part of the sliding sleeve 44, an air cylinder 54 is fixedly connected to the bottom of the inner wall of the driving vehicle 2, the output end of the air cylinder 54 is fixedly connected to one side of the driving plate 55, a meshing block 45 is fixedly connected to the inner part of the sliding sleeve 44, the inside of the sliding sleeve 44 is rotationally connected with a transmission rod 46, one side of the transmission rod 46 is meshed with one side of the meshing block 45, the outside of the transmission rod 46 is rotationally connected with a transmission cylinder 50, one side of the meshing block 45 is meshed with one side of the transmission cylinder 50, the transmission cylinder 50 is movably sleeved with a second transmission belt 51 outside the lifting gear 52, the outside of the two supporting rotating rods 14 is rotationally connected with a protection plate 47, one end of the transmission rod 46 extends to the inside of the protection plate 47 and is rotationally connected with one side of the inner wall of the protection plate 47, the transmission rod 46 and the outside of the two supporting rotating rods 14 are fixedly connected with a driving gear 48, the three driving gears 48 are movably sleeved with a first driving belt 49, specifically, when the contact net 8 is required to be overhauled, the driving vehicle 2 is placed on the top of the rail 6, at the moment, the electricity inside the contact net 8, which is close to the distance between the receiving rod 10 and the contact net 8, enters the receiving rod 10 in an electric arc mode, the voltage is regulated by the transformer 9 electrically connected with the receiving rod 10, the voltage is converted into electricity which can be used by the driving vehicle 2, the electricity is stored in the receiving rod 10, meanwhile, the electricity is provided for the driving motor 13, the driving vehicle 2 is moved towards the required maintenance position by starting the driving motor 13, when moving to one end of the contact net 8 to be maintained, whether the contact net 8 is successfully powered off can be detected according to the condition that whether the receiving rod 10 receives electricity or not, after the successful power off is detected, the two ends of the contact net 8 to be maintained are grounded, after the grounding is completed, the starting cylinder 54 pushes the meshing block 45 to mesh with the transmission cylinder 50, at the moment, the lifting and the lowering of the operation frame 4 can be controlled by starting the driving motor 13 to rotate forwards and reversely, the contact net 8 is convenient for a worker to maintain, when the contact net 8 is maintained, the contact net 8 is suddenly powered on, the ground is electrified due to the fact that the current always searches a path flow with the minimum resistance, and the ground is electrified through the two non-contact voltage detectors 12, meanwhile, as the driving vehicle 2 is in insulating connection with the rail 6, maintenance personnel are in an electrified working state, no physical injury is caused to the personnel, potential safety hazards still exist, the driving motor 13 is started to push the operation frame 4 to descend gradually and far away from the contact net 8, after the operation frame 4 descends to a safe distance, the driving vehicle 2 is driven to travel away from an electrified area towards one side of electric field attenuation according to the difference of voltages detected by the two non-contact voltage detectors 12, and the safety of the personnel is protected.
As shown in fig. 6 and 7, the operation frame 4 includes the workstation 21 of sliding connection at the expansion bracket 19 top, the top of workstation 21 rotates and is connected with the guard gate 22, guard slot 29 has been seted up to the inside of guard gate 22, the inside of guard slot 29 rotates and is connected with the protection switch 30, protection switch 30 and workstation 21 looks adaptation, the inside sliding connection of guard slot 29 has guard bar 31, the one end of guard bar 31 rotates and is connected in one side of protection switch 30, movable slot 32 has been seted up to the inside of workstation 21, the inside sliding connection of movable slot 32 has movable rod 33, movable rod 33 rotates and is connected in the one end of guard bar 31, the inside of movable slot 32 is provided with movable spring 34, one side of movable spring 34 and one side fixed connection of the inner wall of movable slot 32, the opposite side of movable spring 34 and one end fixed connection of movable rod 33, specifically, the one end of movable rod 33 and one end butt of guard bar 31, make guard gate 22 can only inwards open, avoid the maintenance personnel to mistake guard switch 30 to cause to drop when contacting net 8 to maintain.
In the embodiment 2, as shown in fig. 3, fig. 8, fig. 9 and fig. 10, according to the urban rail transit traction network maintenance ground loop disconnection monitoring device, in combination with the foundation of embodiment 1, both sides of the driving vehicle 2 are fixedly connected with the limiting plates 35, the limiting grooves 36 are formed in the limiting plates 35, two limiting rods 37 are slidably connected in the limiting grooves 36, the limiting springs 38 are arranged on opposite sides of the two limiting rods 37, both ends of the limiting springs 38 are fixedly connected with one sides of the corresponding limiting rods 37, the same limiting rope 39 is fixedly connected on opposite sides of the two limiting rods 37, the driving rope 40 is fixedly connected with the outside of the limiting rope 39, one side of the limiting plates 35 is provided with the lifting groove 41, the lifting groove 41 is communicated with the limiting grooves 36, one end of the driving rope 40 is fixedly connected with the driving block 42, the driving block 42 is slidably connected with the top of the lifting groove 41, the limiting rods 37 are matched with one side of the rail 6, in the process of the contact network 8, and in the process of maintaining the contact network 8, the worker is at a high position, so that the direction of the driving vehicle 2 is easy to change when the side of the corresponding driving vehicle 2 is inclined, and the side of the rail 2 is easy to change, and the side of the driving vehicle is easy to be inclined, and the side of the corresponding driving vehicle 2 is easy to change when the side is inclined and the side of the driving vehicle is subjected to the side 2.
The working principle of the invention is as follows: when in use, the driving vehicle 2 is lifted by the two lifting grooves 41, the four insulating sleeves 16 are matched with the tops of the corresponding rails 6, in the placing process, the driving blocks 42 are buckled inwards by fingers, so that the two driving blocks 42 slide, the two driving ropes 40 move to drive the limiting ropes 39 to move, the two limiting ropes 39 move to drive the corresponding two limiting rods 37 to move in opposite directions, so that the four insulating sleeves 16 are contacted with the corresponding rails 6, at the moment, the driving blocks 42 are loosened, the two driving blocks 42 return under the extending action of the corresponding limiting springs 38, and drives the corresponding limiting rod 37 to be abutted against one side of the rail 6, so that the driving vehicle 2 cannot be separated from the rail 6, the stability of maintenance personnel during maintenance is improved, the protection switch 30 is rotated after the driving vehicle 2 is installed, the protection switch 30 is rotated to be separated from the workbench 21, meanwhile, the protection switch 30 is rotated to drive the protection rod 31 to slide in the protection groove 29, the protection rod 31 slides to drive the movable rod 33 to slide in the movable groove 32, at the moment, the protection door 22 is pushed inwards to enter the workbench 21, after entering the workbench 21, the protection door 22 is closed, at the moment, the movable spring 34 is stretched, and the movable rod 33 is driven to move, the movable rod 33 moves to drive the protective rod 31 to move, the protective rod 31 moves to drive the protective switch 30 to rotate, so that the protective switch 30 is matched with the workbench 21 to finish closing of the protective door 22, meanwhile, after the driving vehicle 2 is placed on the top of the rail 6, the electricity in the receiving rod 10 at the top of the driving vehicle 2, which is close to the distance between the contact net 8 and the receiving rod 8, enters the interior of the receiving rod 10 in the form of an electric arc, the voltage is adjusted by the transformer 9 electrically connected with the receiving rod 10, so that the voltage is converted into electric power which can be used by the driving vehicle 2, the electric power is stored in the interior of the receiving rod 10, and meanwhile, the electric power is supplied to the driving motor 13, so that the driving motor 13 can be started and the driving vehicle 2 can move towards the position to be maintained, when the driving vehicle moves to one end of the contact net 8 to be maintained, whether the contact net 8 is successfully powered off can be detected according to the fact that whether the receiving rod 10 receives electricity or not, after the successful power off is detected, the contact net 8 is grounded, as the power supply equipment is arranged at both ends of the contact net 8 to supply power to the contact net 8, when the driving vehicle 2 moves to one end of the power off, one grounding fork 27 is clamped with a rail 6 firstly, the insulating cylinder 24 is rotated to separate the insulating cylinder 24 from the grounding fork 27, the grounding wire extends to the outside of the insulating cylinder 24, and then the grounding clamp 25 is hung at the discharging end of the high-voltage rod 7, the other end of the power failure is grounded by the driving vehicle 2, residual voltage can be released through grounding, after the grounding is finished, the lifting and the falling of the operation frame 4 can be controlled by starting the driving motor 13, so that a worker is convenient to repair the contact net 8, when the contact net 8 is suddenly powered on in the process of repairing the contact net 8, the ground is electrified because the current always looks for the path flow with the minimum resistance, the ground is electrified, and the ground is detected to be electrified by the two non-contact voltage detectors 12, meanwhile, the driving vehicle 2 is in insulated connection with the rail 6, so that the serviceman is in an electrified working state and cannot cause physical injury to the worker, but still have the potential safety hazard, start driving motor 13 so that handling frame 4 descends gradually and keep away from contact net 8 this moment, after handling frame 4 descends to the safe distance, make driving car 2 to the one side that the decompression decays gradually travel and keep away from electrified region according to the difference of the voltage that two non-contact voltage detector 12 detected, protect staff's safety.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a city track traffic traction network overhauls ground return circuit broken string monitoring devices which characterized in that: comprising
The track (1), the track (1) comprises a rail (6), the top of the rail (6) is fixedly connected with a high-pressure rod (7), and the top of Gao Yagan (7) is fixedly connected with a contact net (8);
The driving vehicle (2), both sides of driving vehicle (2) all rotate and are connected with support bull stick (14), and both ends of two support bull sticks (14) all fixedly connected with gyro wheel (15), and the outside of four gyro wheels (15) has all been fixedly sleeved with insulating cover (16), insulating cover (16) are insulating material, and four insulating cover (16) all with corresponding rail (6) looks adaptation, the top fixedly connected with mounting bracket (17) of driving vehicle (2), the top fixedly mounted of mounting bracket (17) has elevating gear (3), the top fixedly connected with handling frame (4) of elevating gear (3);
The driving unit (5), driving unit (5) fixed mounting is in the inner wall bottom of driving car (2), driving unit (5) are including transformer (9) of fixed mounting in driving car (2) inner wall bottom, the inner wall bottom fixed mounting of driving car (2) has battery (11), the bottom fixed mounting of driving car (2) has two non-contact voltage detector (12), the inner wall bottom fixed mounting of driving car (2) has driving motor (13), driving unit (5) are linked with driving car (2) and elevating gear (3) for provide necessary electric shock protection for the staff when the staff maintains contact net (8).
2. The urban rail transit traction network maintenance ground loop disconnection monitoring device of claim 1, wherein: the lifting device (3) further comprises a mounting frame (17) fixedly connected to the top of the driving vehicle (2), a first sliding shell (18) is fixedly connected to the top of the mounting frame (17), a second sliding shell (20) is fixedly connected to the top of the mounting frame (17), and telescopic frames (19) are slidably connected to the insides of the first sliding shell (18) and the second sliding shell (20).
3. The urban rail transit traction network maintenance ground loop disconnection monitoring device of claim 2, wherein: the inside rotation of second shell (20) is connected with lift gear (52), the inside sliding connection of second shell (20) has two slip racks (53), and two slip racks (53) all mesh with lift gear (52), and two lift gear (52) all are at the one end fixed connection of the corresponding expansion bracket (19) of second shell (20) inside sliding connection.
4. A city rail transit traction network service ground loop disconnection monitoring device in accordance with claim 3, wherein: the top sliding connection of expansion bracket (19) has handling frame (4), the top fixed mounting of mounting bracket (17) has two spacing telescopic links (23), and two spacing telescopic links (23) are symmetrical arrangement, and the bottom fixed connection of two spacing telescopic links (23) and handling frame (4) is all connected at the top.
5. The urban rail transit traction network maintenance ground loop disconnection monitoring device of claim 4, wherein: the driving unit (5) further comprises a rotating shaft (43) fixedly connected to the output end of the driving motor (13), a sliding sleeve (44) is connected to the outside of the rotating shaft (43) in a sliding mode, a driving plate (55) is connected to the outside of the sliding sleeve (44) in a rotating mode, an air cylinder (54) is fixedly connected to the bottom of the inner wall of the driving vehicle (2), the output end of the air cylinder (54) is fixedly connected to one side of the driving plate (55), an engagement block (45) is fixedly connected to the inside of the sliding sleeve (44), a transmission rod (46) is connected to the inside of the sliding sleeve (44) in a rotating mode, and one side of the transmission rod (46) is engaged with one side of the engagement block (45).
6. The urban rail transit traction network service ground loop disconnection monitoring device according to claim 5, wherein: the outside rotation of two support bull stick (14) is connected with same guard plate (47), the inside that one end of transfer line (46) extends to guard plate (47) rotates and connects in the inner wall one side of guard plate (47), the outside of transfer line (46) and two support bull stick (14) all fixedly connected with drive gear (48), and the outside activity of three drive gear (48) has cup jointed a first driving belt (49).
7. The urban rail transit traction network service ground loop disconnection monitoring device according to claim 6, wherein: the outside rotation of transfer line (46) is connected with a transmission section of thick bamboo (50), one side of meshing piece (45) meshes with one side of transmission section of thick bamboo (50), the outside activity of transmission section of thick bamboo (50) and lifting gear (52) has cup jointed same second driving belt (51).
8. The urban rail transit traction network maintenance ground loop disconnection monitoring device of claim 1, wherein: both sides of driving car (2) are all fixedly connected with limiting plate (35), limiting groove (36) have been seted up to the inside of limiting plate (35), the inside sliding connection of limiting groove (36) has two gag lever posts (37).
9. The urban rail transit traction network service ground loop disconnection monitoring device according to claim 8, wherein: the two limiting rods (37) are provided with limiting springs (38) on opposite sides, two ends of each limiting spring (38) are fixedly connected with one side of each corresponding limiting rod (37), one limiting rope (39) is fixedly connected to one opposite side of each limiting rod (37), and a driving rope (40) is fixedly connected to the outer portion of each limiting rope (39).
10. The urban rail transit traction network service ground loop disconnection monitoring device according to claim 9, wherein: the lifting groove (41) is formed in one side of the limiting plate (35), the lifting groove (41) is communicated with the limiting groove (36), one end of the driving rope (40) is fixedly connected with the driving block (42), the driving block (42) is slidably connected to the top of the lifting groove (41), and the limiting rod (37) is matched with one side of the rail (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410560393.5A CN118169607A (en) | 2024-05-08 | 2024-05-08 | Urban rail transit traction network overhauls ground return circuit broken string monitoring devices |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410560393.5A CN118169607A (en) | 2024-05-08 | 2024-05-08 | Urban rail transit traction network overhauls ground return circuit broken string monitoring devices |
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| CN118169607A true CN118169607A (en) | 2024-06-11 |
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| CN202410560393.5A Pending CN118169607A (en) | 2024-05-08 | 2024-05-08 | Urban rail transit traction network overhauls ground return circuit broken string monitoring devices |
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