CN213168085U - Rail vehicle derail detection device - Google Patents

Abstract

The utility model discloses a rail vehicle derailment detection device, it includes power cord, signal transmission line, the transmitter that can emit the light beam and the receiver that is used for receiving this light beam, the transmitter is located one side of bogie frame, the receiver is located the opposite side of bogie frame, the power cord is connected the transmitter and power supply system, signal transmission line connects the receiver and derailment detection electrical box; the transmitter and receiver are disposed proximate to the bottom of a wheel on the truck frame; the transmitter emits a beam of light perpendicular to the direction of travel of the truck frame along the track. The utility model discloses a rail vehicle derails detection device can launch the transmitter of light beam and the receiver of receiving this light beam through the design, utilizes the beam correlation formula principle to detect whether the train takes place to derail, and light in weight, simple to operate, rate of accuracy are higher.

Description

Rail vehicle derail detection device

Technical Field

The utility model relates to a rail transit derails and detects technical field, especially relates to a rail vehicle derails detection device.

Background

The train is in contact with and travels along the track through the bogie frame. When derailment occurs during the running process of the train, the damage to the vehicle and communication equipment can be caused if the derailment is not found in time, and the life can be injured in serious cases. Therefore, early detection of derailment to stop the vehicle is particularly important for safe driving.

The conventional rail vehicle derailment detection device is mainly divided into a contact rail vehicle derailment detection device, a non-contact rail vehicle derailment detection device and a vibration rail vehicle derailment detection device.

(1) Contact rail vehicle derail detection device: the contact type derailment detection device for the railway vehicle detects derailment through a derailment sensor arranged on a bogie, and when a train is derailed, a detection beam of the derailment sensor collides with the track, so that derailment alarm is triggered.

The contact type derailing detection device for the railway vehicle needs to install a derailing detection beam crossing a railway on a bogie, and the weight is large.

(2) The non-contact type rail vehicle derailment detection device detects derailment through an eddy current type derailment detector arranged on a bogie, and when a train is derailed, the height position of the eddy current type derailment detector relative to the rail can be changed, so that derailment alarm is triggered.

The non-contact type derailment detection device for the railway vehicle judges whether a train derails or not through the change of the height position of the eddy current type derailment detector relative to the track, and the eddy current type derailment detector is low in effective detection height, so that the detector can only be installed on unsprung parts such as axle boxes and the like, the unsprung parts vibrate violently, and the installation design difficulty of the detector is high.

(3) The vibration type rail vehicle derailment detection device detects the vibration acceleration of a wheel axle through a vibration sensor arranged on a bogie, and then reversely deduces a derailment coefficient through the vibration acceleration of the wheel axle.

The vibration type derailing detection device for the vehicle connected with the rail reversely pushes the derailing coefficient of the train through vibration acceleration, so that whether the train derails or not is indirectly judged, and the accuracy of the method is difficult to guarantee.

The existing derailment detection also has an obstacle and rail vehicle derailment detection device disclosed in the existing patent publication No. CN208233079U, wherein a strain gauge set is arranged at the stress change concentration position of an elastic plate, and the change of the resistance value of the strain gauge during collision is amplified by a signal processing assembly and then converted into a digital signal to be transmitted to a central processing unit, so that the detection sensitivity is improved;

as disclosed in patent publication No. CN108698623A, a derailment detection method and apparatus for a railway vehicle are provided with a transmission line which is broken when the transmission line comes into contact with a rail, using a derailment prevention guide attached to a vehicle axle box. One end and the other end of the transmission line are connected to a determiner to monitor the conduction state of the transmission line.

As also disclosed in the current patent publication No. CN106163900B, for detecting obstacles and derailments of railway vehicles, the detecting device comprises a cross beam, a supporting cross beam, a control unit, a braking unit and a detecting unit, which employs a detecting unit comprising at least two detecting sensors for detecting the movement of the cross beam in at least two angular offset directions.

As shown in the current patent publication No. CN105539488B, the derailment prevention bogie based on side frame positioning detection and the derailment detection method thereof include an axle box positioning device, a side frame assembly, a bolster assembly, a foundation brake device, an axle assembly, and a derailment detection device for rail vehicles installed at an end of the side frame assembly.

SUMMERY OF THE UTILITY MODEL

Great, the derailment rate of accuracy is difficult to guarantee the scheduling problem in order to overcome the weight that exists among the prior art, the utility model provides a whether take place the rail vehicle detection device that derails through light beam correlation formula detection vehicle, concrete technical scheme as follows.

A rail vehicle derailment detection device comprises a power line, a signal transmission line, a transmitter capable of emitting a light beam and a receiver for receiving the light beam, wherein the transmitter is arranged on one side of a bogie frame, the receiver is arranged on the other side of the bogie frame, the power line is connected with the transmitter and a power supply system, and the signal transmission line is connected with the receiver and a derailment detection electrical box; the transmitter and receiver are disposed proximate to the bottom of a wheel on the truck frame; the transmitter emits a beam of light perpendicular to the direction of travel of the truck frame along the track.

In the above scheme, through designing the transmitter capable of emitting the light beam and the receiver capable of receiving the light beam, whether the train derails or not is detected by utilizing the light beam correlation type principle, and the device has the advantages of light weight, convenience in installation, high accuracy and the like.

Preferably, the transmitter is a laser transmitter, and the receiver is a laser receiver. The induction sensitivity is higher.

Preferably, the transmitter and the receiver are both mounted on the bogie frame by a vertical adjustment assembly, and the vertical adjustment assembly can adjust the vertical distance between the transmitter and the receiver relative to the track.

Preferably, the vertical adjustment assembly comprises a first bracket plate and a second bracket plate, the first bracket plate is fixed on the bogie frame, and the second bracket plate is used for mounting the transmitter or the receiver; the first support plate is vertically provided with a sliding groove, and the second support plate is attached to the first support plate and fixed to the position corresponding to the sliding groove through a fastener.

Preferably, a plurality of anti-skidding teeth are vertically arranged on the side face, attached to each other, of the first support plate and the second support plate, and the anti-skidding teeth of the first support plate are meshed with the anti-skidding teeth of the second support plate.

Compared with the prior art, the beneficial effects of the utility model are that:

firstly, by designing a transmitter capable of emitting a light beam and a receiver for receiving the light beam, whether the vehicle derails or not is detected by utilizing a light beam correlation type principle, and the device has the advantages of light weight, convenience in installation, high accuracy and the like;

and the vertical adjusting assembly can vertically adjust the installation height of the transmitter and the receiver on the bogie frame, flexibly set the sensitivity condition of derailment detection according to actual use requirements, and improve the universality of the derailment detection.

Drawings

Fig. 1 is a schematic structural view of a derailment detection device for a railway vehicle, which is provided by the present invention, mounted on a bogie frame;

FIG. 2 is a schematic structural view illustrating the installation of the derailment detection device for the railway vehicle in normal operation of the train;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

fig. 4 is a schematic diagram of a train derailment beam being blocked.

In the figure: 1-emitter, 2-receiver, 3-power line, 4-signal transmission line, 5-light beam, 6-track, 7-bogie frame, 8-vertical adjusting component, 81-first bracket plate, 82-second bracket plate, 83-chute, 84-fastener, 85-anti-skid tooth.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.

As shown in fig. 1 and 2, a derailment detection apparatus for a railway vehicle is used for detecting derailment of a bogie frame 7 on a rail 6, one set being installed adjacent to each pair of wheels. The rail vehicle derailment detection device comprises a transmitter 1, a receiver 2, a power line 3, a signal transmission line 4, a light beam 5 and a vertical adjusting assembly 8.

The emitter 1 is a laser emitter and can emit light beams 5 as laser beams. The receiver 2 is a laser receiver capable of receiving the light beam 5 emitted by the emitter 1.

The transmitter 1 is arranged on one side of the bogie frame 7, and the receiver 2 is arranged on the other side of the bogie frame 7. The power line 3 is connected with the transmitter 1 and a power supply system, and the signal transmission line 4 is connected with the receiver 2 and a derailment detection electrical box; the transmitter 1 and receiver 2 are located adjacent the bottom of the wheels on the bogie frame. The transmitter 1 emits a beam 5 of light perpendicular to the direction of travel of the bogie frame 7 along the track 6. During normal driving, the light beam 5 is located above the rail 6. When the bogie frame 7 is derailed, the light beam 5 emitted from the transmitter 1 is interrupted between the transmitter 1 and the receiver 2 by the rail 6.

The transmitter 1 and receiver 2 are each mounted to the bogie frame 7 by a vertical adjustment assembly 8 and are located outside the track 6. The vertical adjustment assembly 8 enables the vertical distance of the transmitter 1 and receiver 2 relative to the track 6 to be adjusted.

As shown in fig. 2 and 3, the vertical adjustment assembly 8 includes a first bracket plate 81 and a second bracket plate 82, the first bracket plate 81 is fixed to the bogie frame 7, and the second bracket plate 82 is used for mounting the transmitter 1 or the receiver 2. A sliding groove 83 is vertically arranged on the first support plate 81. The second supporting plate 82 is attached to the first supporting plate 81, a plurality of anti-slip teeth 85 are vertically arranged on the side faces attached to each other, and the anti-slip teeth 85 of the first supporting plate 81 are meshed with the anti-slip teeth 85 of the second supporting plate 82.

The second bracket plate 82 and the first bracket plate 81 are fixed at positions corresponding to the slide grooves 83 by fasteners 84.

The power line 3 is connected with the transmitter 1 and a power supply system, and the signal transmission line 4 is connected with the receiver 2 and the derailment detection electrical box.

As shown in fig. 2, when the train is operating normally, the transmitter 1 emits a beam 5 above the track 6 and the receiver 2 can receive the laser light.

As shown in fig. 4, when a train derails, the derailed wheelset on the bogie frame 7 is lowered relative to the track 6, so that the transmitter 1 and the emitted beam 5 are lowered with the bogie.

When the light beam 5 drops by more than the installation height of the light beam 5 relative to the rail 6, the light beam 5 is blocked by the rail 6, and the receiver 2 cannot receive the laser signal. And equipment such as a derailment detection host machine installed on the train can judge whether the train derails or not according to the derailment detection host machine.

The embodiments of the present invention have been described above with reference to the accompanying drawings, and features of the embodiments and examples of the present invention may be combined with each other without conflict. The present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and the scope of the present invention, which is encompassed by the present invention.

Claims (5)

1. A rail vehicle derailment detection device is used for derailment detection of a bogie frame on a rail and is characterized by comprising a power line (3), a signal transmission line (4), a transmitter (1) capable of emitting a light beam and a receiver (2) used for receiving the light beam, wherein the transmitter (1) is arranged on one side of the bogie frame (7), the receiver (2) is arranged on the other side of the bogie frame (7), the power line (3) is connected with the transmitter (1) and a power supply system, and the signal transmission line (4) is connected with the receiver (2) and a derailment detection electrical box; the transmitter (1) and the receiver (2) are arranged close to the bottom of the wheels on the bogie frame; the light beam (5) emitted by the emitter (1) is perpendicular to the direction in which the bogie frame (7) travels along the rail (6).

2. The rail vehicle derailment detection device according to claim 1, wherein the transmitter (1) is a laser transmitter and the receiver (2) is a laser receiver.

3. Railway vehicle derailment detection device according to claim 1, wherein the transmitter (1) and the receiver (2) are both mounted on the bogie frame (7) by a vertical adjustment assembly (8), the vertical adjustment assembly (8) enabling adjustment of the vertical distance of the transmitter (1) and the receiver (2) relative to the track (6).

4. A rail vehicle derailment detection apparatus according to claim 3, wherein the vertical adjustment assembly (8) comprises a first bracket plate (81) and a second bracket plate (82), the first bracket plate (81) being fixed to the bogie frame (7), the second bracket plate (82) being used to mount the transmitter (1) or receiver (2); the vertical spout (83) that is equipped with on first mounting panel (81), second mounting panel (82) with first mounting panel (81) laminating is in through fastener (84) fixed in the position that spout (83) correspond.

5. The derailment detection device according to claim 4, wherein the first bracket plate (81) and the second bracket plate (82) have a plurality of anti-slip teeth (85) vertically arranged on the side surfaces thereof, and the anti-slip teeth (85) of the first bracket plate (81) are engaged with the anti-slip teeth (85) of the second bracket plate (82).

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