CN220009744U - Screen rail detection tractor - Google Patents

Abstract

The embodiment of the utility model provides a net track detection tractor, which comprises the following components: the device comprises a frame, wherein a front cab, a detection room, an equipment room and a rear cab are sequentially arranged on the frame from left to right, a limit detection device is arranged in front of the front cab, a contact net detection device is arranged on the detection room, a front bogie and a rear bogie are arranged under the frame, and a track detection device is arranged at the rear end of the front bogie; the utility model integrates three detection devices, namely the limit detection device, the contact net detection device and the track detection device, into one vehicle, effectively saves the labor cost and the equipment maintenance cost of multi-vehicle operation, can be used as a tractor for shunting, vehicle rescue and the like, and greatly improves the utilization rate of the whole vehicle.

Description

Screen rail detection tractor

Technical Field

The utility model relates to the technical field of track detection, in particular to a net track detection tractor.

Background

In recent years, urban rail transit in China is developed vigorously, remarkable achievement is achieved, a city and inter-city rail transit network which is all over all is built, and the total length of urban rail transit operation lines put into operation in China reaches 7978 km by the year 2020; because the years of the established urban rail facilities are different, the method is limited by the current investigation means, design technical standards and construction technology level, and after many years of operation, the line facilities are mostly provided with different types of defects or diseases which affect the safe operation of the urban rail, such as broken net lines, burnt parts, worn contact lines and the like of the contact net, nuclear damage, wavy wear, weld joint diseases and the like of the rail, structural deformation, foreign matter invasion and the like of the tunnel. Therefore, reasonable maintenance of urban rail transit infrastructure and timely and effective analysis, prevention and treatment of line diseases are key to guaranteeing safe operation of the rail.

With the continuous improvement of labor cost, integrated detection of urban rail transit infrastructure contact networks, rails and boundaries becomes a realistic requirement, and the improvement of construction efficiency, so that few or even no people are necessary trends of infrastructure detection and maintenance of future contact networks, rails, boundaries and the like. Under the background, aiming at the requirements of detection and maintenance of the existing urban rail transit infrastructure, development of equipment which has good integration for the detection and maintenance of the urban rail transit infrastructure, good operation safety, environmental protection and convenience and higher utilization rate is needed.

The existing urban rail transit infrastructure detection mode mainly comprises single separation detection of overhead line system detection, rail detection and limit detection, and has the characteristics of professional maintenance, mode operation and system construction in a long-term practice process, the current situation of three is lack of network track tunneling data fusion, informationized network track tunneling collaborative analysis and the like in the operation and maintenance process, the problems of low integration degree of detection equipment, low intelligent and digital degree of detection means, numerous maintenance equipment, high labor and cost and the like are gradually highlighted, and the problems of single influence of personnel technical level, operation time and field equipment detection conditions, and the detection is time-consuming and labor-consuming and low in efficiency. At present, according to the actual requirements of operation of each urban rail, the operation frequency of the existing overhead line system detection and rail detection vehicles is relatively low, the idle degree is high, and if the overhead line system detection and rail detection vehicles continue to work in a 'three-point' mode, the equipment cost and the labor cost are high.

Disclosure of Invention

In order to solve one of the above technical drawbacks, an embodiment of the present utility model provides a track inspection tractor and a track inspection tractor.

According to a first aspect of an embodiment of the present utility model, there is provided a net track detection tractor comprising: the frame, from left to right has set gradually preceding cab, detection room, equipment room and back cab on the frame, be equipped with limit detection device before the preceding cab, be equipped with contact net detection device on the detection room, be equipped with preceding bogie and back bogie under the frame, preceding bogie rear end is provided with track detection device.

Preferably, the track detection device is sequentially provided with a battery management and power distribution system, a power storage battery, a traction inverter and an auxiliary inverter.

Preferably, the tops of the front cab, the detection room and the rear cab are respectively provided with an air conditioner, and the detection room is provided with a pantograph; and a ventilation fan and a braking resistor are arranged at the top of the equipment room.

Preferably, the front end of the front bogie is provided with a vibration compensation device.

Preferably, the contact net detection device comprises a net pressure box, a lightning arrester, a light supplementing lamp, a high-voltage box, an isolation transformer and a super-isolation transformer box, wherein the net pressure box and the high-voltage box are respectively electrically connected with the pantograph, and the super-isolation transformer box is electrically connected with the high-voltage box.

Preferably, the overhead line system detection device further includes: the overhead line system geometric parameter detection device and the bow net monitoring device; the contact net geometric parameter detection device detects contact net geometric parameters through laser scanning; the bow net monitoring device monitors the states of the pantograph and the contact net in real time through the camera.

Preferably, the front bogie comprises: the axle gear box is connected with the permanent magnet synchronous motor through the coupler.

Preferably, a limit detection operation table, a limit detection cabinet, a contact net detection cabinet, a track detection cabinet and a net rail detection operation table are arranged in the detection room.

Preferably, an alternating current power distribution and emergency auxiliary counter cabinet, a 24V power supply and charging cabinet, a train braking module, a locomotive braking module, a tool box, a high-voltage cabinet, a water cooling unit and an air compressor are arranged in the equipment room.

By adopting the net track detection tractor provided by the embodiment of the utility model, the limit detection device is arranged in front of the front cab, the contact net detection device is arranged on the detection room, the track detection device is arranged at the rear end of the front bogie, and the track detection device can dynamically detect the superposition state of elastic deformation and permanent deformation of the line, so that a basis is provided for maintenance and service of the line; according to the utility model, three detection devices, namely the limit detection device, the contact net detection device and the track detection device, are highly integrated into a vehicle, and a data processing unit is arranged in the vehicle body, so that the comprehensive detection of the limit, the contact net and the track can be realized, the data can be analyzed and processed in real time, and the local data processing and analysis are efficient and convenient; the device can perform bidirectional detection within the speed range of 0-80 km/h, has high detection efficiency, effectively saves labor cost and equipment maintenance cost of multi-vehicle operation, can be used as a tractor for shunting, vehicle rescue and the like, and greatly improves the utilization rate of the whole vehicle.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

fig. 1 is a schematic structural diagram of a rail detection tractor according to a first embodiment of the present utility model;

fig. 2 is a schematic structural diagram of the overhead line system detection device of the present utility model;

FIG. 3 is a schematic view of the front bogie of the present utility model;

FIG. 4 is a schematic diagram showing the internal structure of the detecting room and the equipment room according to the present utility model;

fig. 5 is a power supply topology diagram of a power supply method for a rail detection tractor according to a first embodiment of the present utility model;

in the figure: 1 is a frame, 2 is a front cab, 3 is a detection room, 4 is an equipment room, 5 is a rear cab, 6 is a limit detection device, 7 is a contact net detection device, 8 is a front bogie, 9 is a rear bogie, 10 is a track detection device, 11 is a battery management and distribution system thereof, 12 is a power storage battery, 13 is a traction inverter, 14 is an auxiliary inverter, 15 is an air conditioner, 16 is a pantograph, 17 is a ventilation fan, 18 is a brake resistor, and 19 is a vibration compensation device;

21 is a driver console;

31 is a limit detection operation table, 32 is a limit detection cabinet, 33 is a contact net detection cabinet, 34 is a track detection cabinet, and 35 is a net rail detection operation table;

41 is an alternating current power distribution and emergency auxiliary counter cabinet, 42 is a 24V power supply and charging cabinet, 43 is a train braking module, 44 is a locomotive braking module, 45 is a tool box, 46 is a high-voltage cabinet, 47 is a water cooling unit, and 48 is an air compressor;

71 is a net-voltage box, 72 is a lightning arrester, 73 is a contact net geometric parameter detection device, 74 is a light supplementing lamp, 75 is a high-voltage box, 76 is an isolation transformer, 77 is a super-isolation transformer box, and 78 is a bow net monitoring device;

81 is an axle gear box, 82 is a permanent magnet synchronous motor, and 83 is a coupler.

Detailed Description

In order to make the technical solutions and advantages of the embodiments of the present utility model more apparent, the following detailed description of exemplary embodiments of the present utility model is provided in conjunction with the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present utility model and not exhaustive of all embodiments. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the process of realizing the utility model, the applicant finds that the network track detection vehicle mainly comprising the contact network detection and the track detection is integrated to a certain extent on the market at present, but the problems of low integration degree of the contact network detection, the track detection and the limit detection, high maintenance cost and the like still exist, the existing vehicle types are divided into a vehicle type without power and a vehicle type with power, and the vehicle type without power needs to be provided with a special traction vehicle, so that the efficiency is low and the cost is high; the vehicle with power is basically diesel engine power, and has poor environmental protection performance.

In view of the above problems, the embodiment of the utility model provides a net track detection tractor and a power supply method thereof; fig. 1 is a schematic structural diagram of a rail detection tractor according to a first embodiment of the present utility model, where the tractor includes: the frame 1, frame 1 is last from left to right to have set gradually preceding cab 2, detect between 3, equipment room 4 and back cab 5, be equipped with limit detection device 6 before the preceding cab 2, be equipped with contact net detection device 7 on detecting between 3, frame 1 has preceding bogie 8 and back bogie 9 down, preceding bogie 8 rear end is provided with track detection device 10.

Specifically, in this embodiment, the upper part of the frame 1 is provided with a vehicle body, the front cab 2 is provided with a limit detection device 6, the detection room 3 is provided with a contact net detection device 7, the rear end of the front bogie 8 is provided with a track detection device 10, the track detection device 10 can dynamically detect the superposition state of elastic deformation and permanent deformation of the line, and a basis is provided for maintenance and repair of the line; according to the utility model, three detection devices, namely the limit detection device, the contact net detection device and the track detection device, are highly integrated into a vehicle, and a data processing unit is arranged in the vehicle body, so that the comprehensive detection of the limit, the contact net and the track can be realized, the data can be analyzed and processed in real time, and the local data processing and analysis are efficient and convenient; the device can perform bidirectional detection within the speed range of 0-80 km/h, has high detection efficiency, effectively saves labor cost and equipment maintenance cost of multi-vehicle operation, can be used as a tractor for shunting, vehicle rescue and the like, and greatly improves the utilization rate of the whole vehicle.

The track detection device 10 is sequentially provided with a battery management and power distribution system 11, a power storage battery 12, a traction inverter 13 and an auxiliary inverter 14; specifically, the utility model adopts new energy power, can respectively use the contact net and the power storage battery 12 to supply power for operation, can be used as a tractor at the same time when the storage battery 12 is used for supplying power, and has good safety and environmental protection; when the contact net and the power storage battery are respectively powered, the vehicle self-running speed can reach 80km/h; in the embodiment, the power supply mode of the contact net and the storage battery is adopted, and in addition, the power supply mode of the third rail and the storage battery, the power supply mode of the storage battery and the generator set or other combined modes can be adopted, so that the power supply mode is within the protection scope of the utility model.

Air conditioners 15 are respectively arranged at the tops of the front cab 2, the detection room 3 and the rear cab 5, and pantographs 16 are arranged on the detection room 3; a ventilating fan 17 and a braking resistor 18 are arranged at the top of the equipment room 4; the front end of the front bogie 8 is provided with a vibration compensation device 19; according to the utility model, the air conditioners 15 are respectively arranged at the tops of the front cab 2, the detection room 3 and the rear cab 5, so that the comfort of the working environment is improved; the ventilation fan 17 is arranged at the top of the equipment room 4, so that ventilation and cooling of equipment in the equipment room can be realized, and normal operation of the equipment is ensured.

As shown in fig. 2, the overhead contact system detection device 7 includes a live-wire box 71, an arrester 72, an overhead contact system geometric parameter detection device 73, a light supplementing lamp 74, a high-voltage box 75, an isolation transformer 76, a super-isolation transformer box 77 and an overhead contact system monitoring device 78, wherein the live-wire box 71 and the high-voltage box 75 are respectively electrically connected with the pantograph 16, and the super-isolation transformer box 77 is electrically connected with the high-voltage box 75. The catenary geometric parameter detection device 73 detects catenary geometric parameters by laser scanning. The pantograph-catenary monitoring device 78 monitors the states of the pantograph and the catenary in real time through cameras respectively; the contact net geometric parameter detection device 73 and the bow net monitoring device 78 are powered by a 24V power supply in the vehicle.

The net pressure box 71 is used for collecting pantograph voltage; the contact net geometric parameter detection device 73 is used for detecting geometric parameters of the contact net; the high-pressure box 75 is used for collecting pantograph impact acceleration data; the isolation transformer 76 belongs to a safe power supply, has the same function as a common transformer, and transforms by electromagnetic induction; the super-isolation transformer box 77 is used for supplying power to the high-voltage 75 box, prevents the high-voltage 75 box from being short-circuited to lead the power into the vehicle, has load control, and does not influence the electric cabinet of the equipment room 4 in the vehicle when faults such as roof short-circuiting occur; the bow net monitoring device 78 is used for performing image detection on abrasion of the contact net; the contact net detection device 7 can detect geometric parameters of a contact net, contact pressure of the contact net, impact acceleration of a pantograph, abrasion of the contact net, positioning position and the like, process the contact net by a data processing unit positioned in a vehicle, store the contact net into a database, or output the contact net in the form of a report, a signal and the like.

As shown in fig. 3, the front bogie 8 includes: the axle gear box 81, the permanent magnet synchronous motor 82 and the coupler 83 are respectively arranged on the front bogie 8 and the rear bogie 9, and the axle gear box 81 is connected with the permanent magnet synchronous motor 82 through the coupler 83; in this embodiment, the four-axis permanent magnet synchronous motor 82 can be independently cut off, and when the motors of other axes fail, the motor can be cut off without affecting the operation of the whole machine, thereby providing powerful guarantee for the running and traction functions of the whole machine.

Further, considering that the vehicle needs to meet the requirement of low constant speed, the system adopts permanent magnet driving, and the traction inverter 13 and the permanent magnet synchronous motor 82 are cooled by water cooling; the traction inverter 13 is adopted to invert and provide variable-voltage variable-frequency alternating-current power supplies for the 4 permanent magnet synchronous motors 82 respectively, so that the traction of a locomotive is realized; when the locomotive is in an electric braking working condition, the permanent magnet synchronous motor 82 is in a power generation state, three-phase alternating current feeds back energy to the power storage battery 12 through reverse rectification of the traction inverter 13, and when the fed back energy exceeds the requirement of the power storage battery 12, the energy is consumed through the braking resistor 18. The whole vehicle part adopts a CAN communication mode, and the debugging interface adopts an RS485 interface. The 24V power supply and the charger module in the charging cabinet 902 can charge the traction battery under the working condition of pantograph power supply or in-warehouse power supply, and regulate charging voltage and current according to the battery management requirement and temperature feedback.

As shown in fig. 4, a driver console 21 is disposed in the front cab 2; a limit detection operation table 31, a limit detection cabinet 32, a contact net detection cabinet 33, a track detection cabinet 34 and a net rail detection operation table 35 are arranged in the detection room 3; an alternating-current power distribution and emergency auxiliary counter 41, a 24V power supply and charging cabinet 42, a train braking module 43, a locomotive braking module 44, a tool box 45, a high-voltage cabinet 46, a water cooling unit 47 and an air compressor 48 are arranged in the equipment room 4; in this embodiment, the limit detection console 31, the limit detection cabinet 32, the contact net detection cabinet 33, the track detection cabinet 34, and the net rail detection console 35 in the detection room 3 are data fusion processing systems of the detection devices, and can process and store detection data in real time locally, automatically generate and print reports.

The alternating current power distribution and emergency auxiliary reverse cabinet 41 in the equipment room 4 is an integrated whole of an alternating current power distribution cabinet and an emergency auxiliary inverter, when the power supply function of the whole auxiliary inverter 14 is in a problem, the vehicle enters an emergency running mode, can be automatically switched to an auxiliary inverter standby emergency loop, provides alternating current and direct current power for important loads, and ensures driving safety; the train braking module 43 and the locomotive braking module 44 can control the braking of the whole vehicle when the vehicle is in a non-traction working condition, and the train braking module 43 and the locomotive braking module 44 can only be used for braking when the vehicle is used for traction of other vehicles.

Fig. 5 is a power supply topology diagram of a power supply method for a rail detection tractor according to an embodiment of the present utility model, where the power supply method is applied to the rail detection tractor, and the method includes:

the direct current acquired by the pantograph 16 from the overhead contact system and the direct current output by the power storage battery 12 are respectively converted into three-phase alternating current with adjustable frequency and voltage by the traction inverter 13;

the three-phase alternating current drives the vehicle to run through the permanent magnet synchronous motor 82;

the pantograph 16 and the power storage battery 12 respectively convert the input direct current into three-phase alternating current power through the auxiliary inverter 14, and supply power to the air compressor 48, the air conditioner and the power socket through the alternating current distribution module in the alternating current distribution and emergency auxiliary reverse cabinet 41.

The power storage battery 12 is converted into a three-phase alternating current power supply through an alternating current distribution and inversion module in the emergency auxiliary reverse cabinet 41 to provide power for the air compressor 48.

In the embodiment, a main circuit adopts a dual-power supply system, namely, a pantograph is powered or a power storage battery is used for supplying power; the pantograph 16 or the power storage battery 12 converts the input direct current into three-phase alternating current with adjustable frequency and voltage by the traction inverter 13 through the high-voltage cabinet 46, and supplies power to the permanent magnet synchronous motor 82 to drive the vehicle to run; the auxiliary inverter 14 converts the pantograph electricity or power supplied by the power storage battery into a three-phase alternating current power supply, and supplies power to the air compressor 48, the air conditioner, the electricity utilization socket and the like through an alternating current distribution module in the alternating current distribution and emergency auxiliary counter 41. When the auxiliary inverter 14 cannot provide an alternating current power supply, the inversion module in the alternating current power distribution and emergency auxiliary reverse cabinet 41 converts power supplied by the power storage battery into a three-phase alternating current power supply, and the three-phase alternating current power supply is specially used for providing power for the air compressor 48, so that the air compressor 48 is ensured to provide compressed air for a vehicle braking system, and the vehicle is ensured to return to a warehouse; the embodiment adopts new energy power, is environment-friendly and pollution-free, can respectively adopt the contact net and the power storage battery to provide power for the whole vehicle, can charge the power storage battery when the contact net is powered, can reach 80km/h when the contact net and the power storage battery are powered respectively, and meets the power requirements of operation and traction.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may communicate with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (9)

1. A net track detection tractor, comprising: the frame, from left to right has set gradually preceding cab, detection room, equipment room and back cab on the frame, be equipped with limit detection device before the preceding cab, be equipped with contact net detection device on the detection room, be equipped with preceding bogie and back bogie under the frame, preceding bogie rear end is provided with track detection device.

2. The net track inspection tractor of claim 1, wherein the track inspection device is followed by a battery management and its power distribution system, a power storage battery, a traction inverter and an auxiliary inverter.

3. The net track detection tractor according to claim 2, wherein the front cab, the detection room and the rear cab top are respectively provided with an air conditioner, and the detection room is provided with a pantograph; and a ventilation fan and a braking resistor are arranged at the top of the equipment room.

4. A net track inspection tractor according to claim 1, wherein the front bogie front end is provided with vibration compensation means.

5. A net track detection tractor according to claim 3, wherein the contact net detection device comprises a net pressure box, a lightning arrester, a light supplementing lamp, a high-voltage box, an isolation transformer and a super-isolation transformer box, the net pressure box and the high-voltage box are respectively electrically connected with a pantograph, and the super-isolation transformer box is electrically connected with the high-voltage box.

6. The track inspection tractor of claim 5, wherein the overhead line inspection device further comprises: the overhead line system geometric parameter detection device and the bow net monitoring device; the contact net geometric parameter detection device detects contact net geometric parameters through laser scanning; the bow net monitoring device monitors the states of the pantograph and the contact net in real time through the camera.

7. A rail detection tractor according to claim 3, wherein the front bogie comprises: the axle gear box is connected with the permanent magnet synchronous motor through the coupler.

8. The net track detection tractor of claim 1, wherein a limit detection console, a limit detection cabinet, a contact net detection cabinet, a track detection cabinet and a net track detection console are arranged in the detection room.

9. The net track inspection tractor of claim 1, wherein ac power distribution and emergency auxiliary counter cabinets, 24V power supply and charging cabinets, train brake modules, locomotive brake modules, tool boxes, high voltage cabinets, water cooling units and air compressors are provided in the equipment room.