CN104709311A

CN104709311A - Device

Info

Publication number: CN104709311A
Application number: CN201510059250.7A
Authority: CN
Inventors: 詹斯.格拉夫; 罗伯托.莫雷蒂; 希尔瓦诺.塞马; 马克.德福塞兹
Original assignee: SKF AB
Current assignee: SKF AB
Priority date: 2008-03-05
Filing date: 2008-03-05
Publication date: 2015-06-17
Anticipated expiration: 2028-03-05
Also published as: CN104709311B

Abstract

The invention relates to a device which is used for being connected to a rotating portion (1) which is combined with an assembled railway vehicle. The device is suitable for detecting and evaluating the parameters relevant to the operation of the railway vehicle and/or the potential fault state of a wheel bearing (2) in the railway vehicle in the running process of the railway vehicle, and the device (12) is set to send signals representing the detected and evaluated parameters.

Description

Device

The divisional application that the application is the applying date is on March 5th, 2008, application number is 200880127847.9, denomination of invention is the application for a patent for invention of " for being connected to the device of the rotating element of axis of an orbit ".

Technical field

The present invention relates to the device of the rotating element for being connected to guideway vehicle.More specifically, the present invention relates to rotating element for being connected to guideway vehicle to detect the device of the different parameters relevant with guideway vehicle with assessment.

Background technology

The axle of guideway vehicle by the bearings be positioned in axle box, and in order to the situation of determining bearing and affect other parameter that guideway vehicle runs, needs the situation of monitoring bearing, wheel and checks other parameter needed for these situations regularly.More in the early time, such control is undertaken by predetermined service intervals.

A kind of axis of an orbit hub unit has been proposed in EP1159182Bl, this unit is equipped with the sensor device for the vibration and/or bearing temperature detecting vertical direction and/or horizontal direction, and is installed on static nonrotational supporting member such as metal sealing insert.

Summary of the invention

The object of the present invention is to provide a kind of device of the rotating element for being connected to guideway vehicle, it has and detects the present case in guideway vehicle with simple and failure-free method, assesses and the ability of signal and communication.

Another object is to provide a kind of connecting device, for easily described device being installed to the rotating element of guideway vehicle.

According to claims 1, the present invention proposes a kind of device of the rotating element for being connected to the guideway vehicle in conjunction with a configuration, the parameter that this device is suitable for detecting in the motion process of guideway vehicle and assessment runs to guideway vehicle and/or the potential fault state of wheel bearing in guideway vehicle is relevant, and this device be arranged as transmitting represent detect the signal with the parameter assessed.

Therefore, in the middle of other factors, the present invention is based on the identification of the potential fault state of wheel bearing, and other parameter directly can not carry out failure-free detection contiguously to bearing on rotating element and/or such as yet.Further, another identification of the present invention is, the electronics of described device and non-electronic components and the sensor requirements protection higher than the application in road vehicle, this is due to other shock and vibration situation general and due to such as by the danger of stone physical damage that the rolling operation process middle orbit roadbed of guideway vehicle launches.

Accompanying drawing explanation

This and after, with reference to illustrating that the accompanying drawing of nonlimiting examples of the present invention further describes the present invention.

Fig. 1 illustrates the wheels on the axle of the guideway vehicle of the embodiment had according to device of the present invention with transparent view,

Fig. 2 is the corresponding wheels of the second embodiment had according to device of the present invention,

Fig. 3 is the decomposition diagram of a part for the wheels shown in Fig. 1,

Figure 4 and 5 illustrate with transparent view and are formed according to the end cap of a part for the wheels embodiment of Fig. 1, its be carry out from its side in the face of the shaft end of installation position observing and be shown in the electronics package installing front and rear.

Fig. 6 is the transparent view of the end cap illustrated according to Fig. 3, and it illustrates the inspection connector removed, and

Fig. 7 is a part for the shaft end having end cap and be connected to the electronics package outside end cap by packing ring.

Detailed description of the invention

Fig. 1 schematically shows the wheel shaft 1 of guideway vehicle with transparent view, it is supported on one group of bearing 2 at each end rotationally, often organize bearing to be arranged in the axle box do not illustrated further, and there is the rail wheel 3 around the axle fixed in position adjacent with often organizing bearing 2.The end of the axle 1 adjacent with often organizing bearing 2 is covered by end cap 4, and end cap is connected to axle by bolt 5.In this embodiment in accordance with the invention, it is inner that device according to the present invention is placed in end cap 4, therefore can prevent from well suffering moisture and dirt.

This device is combined with electronic unit, this electronic unit is preferably equipped with the relevant parameter of the potential fault state that is suitable for detecting the wheel bearing run with guideway vehicle and/or in guideway vehicle and carries out the transducer assessed, and described electronic unit also combine for assessment of described parameter device and for launch represent detect the device with the signal of the parameter assessed.Like this, this electronic unit is orientated as in the rotation of the axle making to participate in guideway vehicle.Therefore, this device can comprise at least one for rotate test example as the total distance travelled for vehicle sensor, one for detecting sensor and/or a temperature sensor of the vibration relevant with bearing performance and/or wheel situation and structural vibration.

Schematically show another embodiment in fig. 2, wherein ring 6 is centered around wheel shaft 1 and settles, and is placed on the positions between two wheels 3, to make the rotation of following wheel shaft.Ring 6 correspondingly carries a box 7, and it is combined with the electronic unit being similar to the electronic unit described with reference to embodiment according to claim 1.

Fig. 3 illustrates the decomposition view of a part for the wheel shaft 1 in Fig. 1, and wherein end cap 4 removes from shaft end.To be arranged as to the bolt 5 of shaft end to be guided and to remain in packing ring 8 for connecting end cap 4, packing ring 8 has multiple hole for receiving bolt and central opening 9, when end cap is placed on shaft end, described central opening 9 is just arranged in before the hole 10 of the core of end cap 4.

Fig. 4 illustrates the transparent view of laterally inclined the end cap 4 illustrated from end cap, this end cap when being in installing condition in the face of shaft end.Hole 10 is opened in the depression 11 of end cap 4 inside.In this embodiment, this depression 11 is roughly Y shape shape, although this depression can have other shape, and in this embodiment shown in Figure 4, described shape carries out choosing after the direction of arrow of Fig. 4 is inserted in depression in the shape of the electronic unit being formed as printed circuit board (PCB) 12.

Printed circuit board (PCB) 12 in Fig. 5 illustrates the depression inserting end cap 4.Printed circuit board (PCB) 12 can also be covered by one deck resin do not illustrated further, and described resin is being applied on printed circuit board (PCB) when printed circuit board (PCB) is located in the valley.In other embodiments, can also connect with known interconnection technique such as spiral, bonding etc. but not fix the interior section of described printed circuit board (PCB) to end cap with the cooperation of above-mentioned form.Another kind of possibility is that this device can be constructed as a fritter, and this fritter comprises all electronicies package and is fixed to the inside of end cap with known interconnection technique.

Fig. 6 illustrates the end cap 4 according to Fig. 4 with transparent view, and this can be seen that how protection connector 13 removes from hole 10.By this way, protect connector 13 by the inside of protection end cap 4 and be positioned at electronic unit 12 in the operational process of guideway vehicle from outside moisture and dirt there.As shown in the figure; protection connector 13 can be removed and provide the possibility checking cover internal; the wherein sender unit of suitable type, such as LED, can have the different colours for sending about guideway vehicle and the different running state of bearing and the signal of bearing temperature, rotating speed etc.The switch that protection connector can also be designed to trigger described device sends with release signal, and such as, connector is once be removed, and the signal code chosen just provides signal to send.In other embodiments, signal sends can also be designed to such mode, and namely only where necessary, such as, if if described connector is removed or potential fault state is detected, it just starts automatically.This energy consumption for reduction device is favourable.

Sender unit can also be arranged as the optical code sending and can be read by probe or other suitable device.

Finally, sender unit can be arranged as via transmission over radio, and such as transponder, radio, GPRS etc. transmit the signal representing different vehicle, wheel and bearing parameter.

A part for rail wheel 3 is shown in the figure 7, its end cap 4 that there is one group of bearing 2 and be coupled to shaft end with transparent view.If end cap is not easily to remove, or due to other reason, electronic unit can be positioned in electronics capsule 14, and this electronics capsule is positioned in specific safety washer 15, and therefore it is positioned on the outside of end cap 4, but still contact turning cylinder 1.Safety washer 15 preferably by means of bolt with embodiment illustrated in fig. 3 in end cap same way be connected to end cap and shaft end.

Electronic unit can by orientating at least one battery (not illustrating further) that is adjacent with electronic unit or that keep at a certain distance away as to electricity.Or this device can in conjunction with at least one power generator for powering to electronic unit, or an energy conversion device is used for powering to electronic unit, and thus, such as energy of vibration can be converted to electric power via piezoelectric element or temperature.

Or this electronic unit can have the combination of battery, power generator and/or energy conversion device for powering to described unit.The present invention is not limited to shown in accompanying drawing and with reference to the embodiment described by accompanying drawing, but can carry out various modifications and variations, and it falls within the scope of the appended claims.

Claims

1. one kind for being connected to the rotating element (1 in conjunction with the guideway vehicle of a configuration, 3) device, this device is suitable in the motion process of described guideway vehicle, detect the parameter relevant with the potential fault state of the wheel bearing (2) in the service of guideway vehicle and/or guideway vehicle with assessment, and this device (12) be arranged as transmitting represent detected by with the signal of assessed parameter.

2. device as claimed in claim 1, wherein, described rotating element is connected to the wheel shaft (1) between described rail wheel (3).

3. as claim 1 to 2 any one as described in device, wherein said configuration is electronic unit (12), and this electronic unit (12) is equipped with and is suitable for collecting and vibrates, rotate and the transducer of at least one relevant signal of temperature.

4. as claims 1 to 3 any one as described in device, wherein said configuration is electronic unit (12), and this electronic unit (12) is equipped with transducer, this transducer be suitable for collect and following relevant signal:

-as the service related parameters with guideway vehicle rotation and/or

-as the vibration of the potential fault state correlation parameter with the wheel bearing in guideway vehicle.

5. as claim 3-4 any one as described in device, wherein said electronic unit (12) is provided with for assessment of at least one of them the analytical equipment in speed, total mileage, the vibration relevant with bearing performance, the vibration relevant with wheel state, bearing operating temperatures and structural vibration.

6. as claim 3-5 any one as described in device, wherein, this device in conjunction with at least one battery for for described electronic unit (12) give electricity.

7. as claim 3-6 any one as described in device, wherein, described device in conjunction with at least one power generator for for described electronic unit (12) give electricity.

8. as claim 3-7 any one as described in device, wherein, described device in conjunction with energy conversion device for for described electronic unit (12) give electricity.

9. as claim 3-8 any one as described in device, wherein, described device combines the sender unit settled and send the signal of the state representing railway vehicle wheel and bearing.

10. device as claimed in claim 9, wherein, described sender unit is light-emitting diode

And/or described sender unit is arranged as the optical code sending and can be read by probe or other appropriate device.

11. devices as claimed in claim 9, wherein, described sender unit is arranged as and sends via transmission over radio the signal representing different vehicle, wheel and bearing parameter.

12. 1 kinds of wheels, its be provided with according to claim 1 to 11 any one described in device.

13. 1 kinds of wheels, its be provided with according to claim 3 to 11 any one described in device, wherein said wheels comprise ring and box, and described rim bearing carries described box, and described box is in conjunction with described electronic unit.

14. wheels according to claim 13, wherein said wheels comprise wheel shaft and two wheels, described collar around described wheel shaft be arranged on described two wheel between position on and rotate along with the rotation of described wheel shaft.

15. 1 kinds of guideway vehicles, its be provided with according to claim 12 to 14 any one described in wheels.