CN211107408U

CN211107408U - Rail transit contact rail inspection system

Info

Publication number: CN211107408U
Application number: CN201921750987.3U
Authority: CN
Inventors: 方伟; 何贤伟; 张光平; 王俊峰; 陈家
Original assignee: Wuhan Zhongzhi Electric Co ltd
Current assignee: Wuhan Zhongzhi Electric Co ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-07-28
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses a rail transit contact rail system of patrolling and examining, this system is including waiting to patrol and examine unit and inspection dolly, and during the inspection, the upper surface of walking the rail is arranged in to the inspection dolly to rely on the supporting wheel of both sides to ensure the stability of traveling of inspection dolly. Before the patrol, the train running interval is divided, a marking line and a card reader are arranged at the starting point and the end point of each interval, when the patrol trolley patrols the divided intervals, the camera lighting equipment of the patrol trolley faces the contact rail flow surface of the unit to be patrolled, the shot content is transmitted by means of the communication equipment and the radio frequency card arranged on the patrol trolley, and the specific position of the shot content of the patrol trolley is determined according to the running speed of the patrol trolley among the divided intervals, so that the follow-up fault point can be conveniently investigated and analyzed. The system greatly reduces the workload of only manually inspecting and removing the short-circuit fault point at the present stage, and has great application prospect.

Description

Rail transit contact rail inspection system

Technical Field

The utility model relates to a track overhauls the field, specifically is a system of patrolling and examining of track traffic contact rail.

Background

In recent years, the urban scale and economic construction of China are rapidly developed, the urban scale and economic construction of China gradually become the fastest-developing countries of urban rail transit in the world, and more subways and light rail lines are under construction and operation. Most of trains of urban rail transit are powered by contact rails (also called third rails), and the trains obtain electric energy through contact of collector shoes on one side of the trains with current-supplying surfaces of the third rails.

However, in the actual operation process, if there is a foreign object in the running section of the subway rail or the collector shoe has poor contact with the current-feeding surface of the contact rail, a short circuit may occur in the section, once the short circuit occurs, no effective measure can be taken to locate the fault point in the section at the present stage, and an operator must be relied on to patrol in the section to find and discharge the fault point. Because the interval of the common subway stations is about 1.5km, operators can patrol fault points among the stations, the patrol difficulty is very high, contact rails are usually arranged on the side edges of walking rails, and the upper parts of the contact rails are covered with protective covers, so that the patrol difficulty is increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a track traffic contact rail system of patrolling and examining has solved the track and has traveled the interval short circuit that appears, but is difficult to the problem of the interior fault point of effective investigation interval.

The utility model provides a scheme as follows of above-mentioned technical problem: the utility model provides a track traffic contact rail system of patrolling and examining which characterized in that: the inspection trolley comprises an inspection trolley and a unit to be inspected, wherein the inspection trolley comprises a trolley body, a camera lighting device and a driving wheel, the unit to be inspected comprises a contact rail, the driving wheel is installed at the bottom of the trolley body, the driving wheel is arranged on the upper surface of the walking rail during inspection, the camera lighting device is installed above the trolley body, and the camera lighting device faces to the flow distribution surface of the contact rail during inspection; the inspection trolley is also provided with a driving mechanism for driving the inspection trolley to run; the walking rail is a rail arranged in parallel with the contact rail.

Preferably, the patrol trolley is also provided with communication equipment and a radio frequency card.

Preferably, a starting point and an end point of a train running section where the running rails are located are respectively provided with a marking line and a card reader, and the marking line and the card reader are used for determining the running position of the patrol trolley.

Preferably, the patrol trolley further comprises supporting wheels, the supporting wheels are fixed on two sides of the trolley body, and the supporting wheels are abutted to outer walls of two sides of the walking rails during patrol.

The utility model provides a pair of rail transit contact rail system of patrolling and examining has following beneficial effect: marking lines and card readers are respectively arranged at the starting point and the end point of the track running section to determine the specific position of the patrol trolley, the patrol trolley runs on the running rails and shoots the current-donating surface of the contact rail along the way, and the shot content is transmitted by means of communication equipment and a radio frequency card, so that the workload of manually patrolling and inspecting the fault point of the track at the present stage is greatly reduced.

Drawings

The accompanying drawings, which are described herein to provide a further understanding of the invention and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention without forming an undue limitation to the invention, in which:

fig. 1 is a schematic structural diagram of an embodiment of a rail transit contact rail inspection system provided by the present invention;

fig. 2 is a schematic diagram of an embodiment of the inspection unit.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

As shown in fig. 1, fig. 1 is a schematic structural diagram of an embodiment of the rail transit contact rail inspection system provided by the present invention. The inspection system comprises an inspection trolley 1 and a to-be-inspected unit 2, wherein the to-be-inspected unit 2 comprises a contact rail 21, an insulator 22 and a protective cover 23, the bottom of the contact rail 21 is fixed on the upper surface of the insulator 22, and the contact rail 21 is arranged in the protective layer of the protective cover 23. It should be noted that, in this embodiment, the current-feeding mode of the train is upper contact current-feeding, that is, the current-feeding surface of the contact rail 21 is upward, and the current-receiving shoe of the train takes current by downward pressure, and this current-feeding mode does not constitute a limitation of the present invention, and the current-receiving mode of the train can also be lower contact current-feeding and side contact current-feeding. Further, the patrol trolley 1 comprises a camera lighting device 11, a trolley body 12, a driving wheel 13 and a supporting wheel 14, wherein the camera lighting device 11 is installed at the top position of the trolley body 12 through a supporting device, the angle of the camera lighting device 11 is adjustable, and the camera lighting device 11 is over against the flow surface of the contact rail 21 during patrol of the patrol trolley; the driving wheel 13 is arranged at the bottom of the trolley body 12 and is arranged on the upper surface of the walking rail 3; the supporting wheels 14 are fixedly connected with the left side and the right side of the trolley body 12 and are positioned below the driving wheels 13, and the supporting wheels 14 on the left side and the right side are correspondingly abutted against the outer walls on the left side and the right side of the walking rail 3 and are used for keeping the straight-going stability of the patrol trolley 1. The patrol trolley 1 is further provided with a driving mechanism, a communication device and a radio frequency card, the driving mechanism is used for driving the patrol trolley 1 to walk on the upper surface of the walking rail 3, the communication device and the radio frequency card are used for transmitting contents shot by the camera lighting device 11 during patrol, and preferably, the camera lighting device 11 is a high-definition camera with a visible light source.

As shown in fig. 2, fig. 2 is a schematic structural diagram of an embodiment of the inspection unit. The rail A is vertically laid on the sleeper B, a contact rail 21 is laid on one side of the rail A, the contact rail 21 is parallel to the rail A, the bottom of the contact rail 21 is fixed on the sleeper B through an insulator 22, and the contact rail 21 is arranged in a protective layer of a protective cover 23; the aforementioned running rail is a side of the rail a close to the contact rail 21.

During specific implementation, the section of the whole track is divided, a marking line and a card reader are respectively arranged at the starting point and the end point of the divided running section, the patrol trolley 1 starts from the starting point of the divided section and moves forwards towards the end point direction during patrol, and the specific position of the patrol trolley 1 in the divided section is determined according to the traveling speed of the patrol trolley 1, so that the content shot during the traveling of the patrol trolley 1 is unified with the shot place, and the follow-up troubleshooting analysis of fault points is facilitated.

The utility model provides a rail transit contact rail system of patrolling and examining, with the help of the lighting device that makes a video recording of inspection dolly along the way to touch the surface of awarding a class of rail and transmit the content of shooing through communication equipment and the radio frequency card on the inspection dolly, be convenient for follow-up contrast and analysis in order to confirm the suspected fault point, greatly reduced the work load that only relies on manual inspection at the current stage; in addition, the track running section is divided, an identification line and a card reader are arranged at the starting point and the end point of the divided section, and the specific position of a suspected fault point is determined according to the travelling speed of the trolley; the design of the driving wheels and the supporting wheels of the patrol trolley guarantees the stability of running along the running rails in the patrol process.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the present invention can be smoothly implemented by those skilled in the art according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a track traffic contact rail system of patrolling and examining which characterized in that: the inspection trolley comprises an inspection trolley and a unit to be inspected, wherein the inspection trolley comprises a trolley body, a camera lighting device and a driving wheel, the unit to be inspected comprises a contact rail, the driving wheel is installed at the bottom of the trolley body, the driving wheel is arranged on the upper surface of the walking rail during inspection, the camera lighting device is installed above the trolley body, and the camera lighting device faces to the flow distribution surface of the contact rail during inspection; the inspection trolley is also provided with a driving mechanism for driving the inspection trolley to run; the walking rail is a rail arranged in parallel with the contact rail.

2. The rail transit contact rail inspection system according to claim 1, wherein: the patrol trolley is also provided with communication equipment and a radio frequency card.

3. The rail transit contact rail inspection system according to claim 1, wherein: and a starting point and an end point of a train running section where the running rail is located are respectively provided with a marking line and a card reader, and the marking line and the card reader are used for determining the running position of the patrol trolley.

4. The rail transit contact rail inspection system according to claim 1, wherein: the inspection trolley further comprises supporting wheels, the supporting wheels are fixed to the two sides of the trolley body, and the supporting wheels are abutted to the outer walls of the two sides of the walking rails during inspection.