CN113733810A

CN113733810A - Wheel, rail vehicle and rail transit system

Info

Publication number: CN113733810A
Application number: CN202010477920.8A
Authority: CN
Inventors: 王晨晨; 张鑫; 谭志成
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-12-03
Anticipated expiration: 2040-05-29
Also published as: CN113733810B

Abstract

The present disclosure relates to a wheel, a rail vehicle and a rail transit system, the wheel comprising a rim (1) and a solid tyre (2) mounted on the rim (1), the wheel further comprising an alarm device arranged on the rim (1), the alarm device emitting an alarm signal when the solid tyre (2) reaches a predetermined amount of wear. The alarm device of wheel in this disclosure can remind the user in time to change when the tire reaches predetermined wearing and tearing volume, avoids the safety problem that the excessive wearing and tearing of tire lead to, and in addition, alarm device installs on the rim, and convenient assembling can not produce the interference with the tire, influences the form of tire, can avoid causing the influence to the intensity of tire.

Description

Wheel, rail vehicle and rail transit system

Technical Field

The present disclosure relates to the field of vehicle steering systems, and in particular, to a wheel, a rail vehicle and a rail transit system.

Background

At present, after the tire is worn to a certain degree after use, the grip force is rapidly reduced. This indicates that the tire has its life, and therefore, in order for the user to know the wear condition of the tire, there is a "safety line" on the tire, and if so, the tire should be replaced. In general, most vehicle users do not observe the wear of tires frequently, but when the tires are worn to the vicinity of a safety line, the users do not detect that the tires need to be replaced, the vehicles are prone to tire burst or vehicle slipping during running, and accordingly safety of the vehicles is affected. In the related art, the alarm device for reminding of tire replacement is arranged, the wire harness of the alarm device is integrated inside the tire, and the problems that the process is difficult to realize, the alarm device is easy to lose efficacy, the strength of the tire is negatively affected and the like are solved.

Disclosure of Invention

The invention aims to provide a wheel, a rail vehicle and a rail transit system, and the technical problems that a user is not easy to perceive that a tire needs to be replaced, an alarm device is arranged in the tire and is difficult to realize in the process are solved.

In order to achieve the above object, the present disclosure provides a wheel including a rim and a solid tire mounted on the rim, the wheel further including an alarm device provided on the rim, the alarm device emitting an alarm signal when the solid tire reaches a predetermined amount of wear.

Optionally, the rim comprises a rim and a protrusion extending radially outward from an outer peripheral surface of the rim, the warning device comprises a wire wound around the outer peripheral surface of the protrusion and a signal emitter connected in parallel with the wire; when the solid tire does not reach a preset abrasion loss, the conducting wire is in short circuit with the signal emitter; when the solid tyre reaches a preset abrasion loss, the conducting wire is broken, and the signal transmitter sends out an alarm signal.

Optionally, the predetermined amount of wear is equal to a difference between an outer diameter of the solid tire and an outer diameter of the bulge.

Optionally, the protrusion includes a first flange and a second flange formed on opposite sides of the rim, the solid tire is disposed between the first flange and the second flange, and the wire is wound on at least one of the first flange and the second flange.

Optionally, the signal emitter is disposed on a wheel surface of the rim, a through hole extending in the radial direction is formed on the boss, and the lead passes through the through hole, is attached to and fixed on the wheel surface, and is connected to the signal emitter.

Optionally, the alarm device further comprises a power supply and a resistor, and the wire is connected in parallel with the signal transmitter and then connected in series with the power supply and the resistor.

Optionally, a buffer layer is disposed on the outer circumferential surface of the rim.

On the basis of the technical scheme, the disclosure further provides a rail vehicle which comprises horizontal wheels, wherein the horizontal wheels are wheels in the technical scheme.

On the basis of the technical scheme, the disclosure further provides a rail transit system, which comprises a rail vehicle and a rail beam for bearing the rail vehicle, wherein the rail vehicle is the rail vehicle in the technical scheme.

Optionally, the horizontal wheels are installed on the inner side of the track beam and are in contact with the side surface of the track beam, or the horizontal wheels are installed on the outer side of the track beam and are in contact with the side surface of the track beam.

Through above-mentioned technical scheme, this wheel that openly provides includes alarm device, and this alarm device installs on the rim, and convenient assembling, and can not produce the interference with the tire, influence the form of tire to avoid causing the influence to the intensity of tire. In addition, the alarm device can remind a user to replace the tire when the tire reaches a preset abrasion loss, so that the problems of tire burst, slippage and the like caused by excessive abrasion of the tire are avoided, and the driving safety can be ensured. In addition, because the tire in this disclosure is a solid tire, the technical solution of this disclosure is suitable for wheels with low load bearing requirements, for example, horizontal guide wheels of rail vehicles and the like. The rail vehicle and the rail transit system provided by the present disclosure have the same technical effects as the wheels in the above technical solutions, and are not described herein in detail in order to avoid unnecessary repetition.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

FIG. 1 is a schematic structural view of a wheel according to an embodiment of the present disclosure;

FIG. 2 is a front view of a wheel in an embodiment of the present disclosure;

FIG. 3 is a cross-sectional view of a wheel in accordance with an embodiment of the present disclosure;

FIG. 4 is a schematic diagram of the connection of the wires of the wheel to the signal transmitter in an embodiment of the present disclosure;

FIG. 5 is a circuit diagram of a warning device for a wheel in an embodiment of the present disclosure;

FIG. 6 is a schematic diagram of a horizontal wheel in contact with a rail beam of a rail vehicle according to an embodiment of the present disclosure;

fig. 7 is a schematic structural view of a horizontal wheel of a railway vehicle in contact with a railway beam in another embodiment of the present disclosure.

Description of the reference numerals

1-rim, 11-rim, 12-lug, 121-first flange, 122-second flange, 2-solid tire, 31-wire, 32-signal transmitter, 33-power supply, 34-resistor, 4-horizontal wheel, 5-track beam.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, the use of directional terms such as "inner and outer" means inner and outer relative to the profile of the corresponding component part itself, unless otherwise specified. "axial, radial" generally refers to relative to the axis of rotation of the tire. Terms such as "first," "second," and the like, are used herein to distinguish one element from another, and are not necessarily sequential or significant. Furthermore, in the following description, when referring to the drawings, like reference numbers in different drawings denote like elements.

In the prior art, an alarm device is integrally arranged inside a tire, for example, an alarm wire harness of the alarm device is arranged in a belt layer below a tire tread or inside the tire tread, and when the tire is worn to a certain degree, the alarm wire harness is broken and an alarm occurs. However, disposing the wire harness within the belt layer or inside the tire tread is difficult to achieve technically and affects the overall strength of the tire. In the prior art, the alarm device can be arranged on one side of the tire, but research and analysis show that the tire is of a flexible structure, so that deformation continuously occurs in the driving process, and a wire harness of the alarm device is easy to break, so that the alarm device is easy to damage, fail or give false alarm.

In view of the above technical problems, the present disclosure provides a wheel, according to an embodiment of the present disclosure, as shown in fig. 1 to 3, including a rim 1, a solid tire 2 mounted on the rim 1, and an alarm device provided on the rim 1, the alarm device being capable of giving an alarm signal when the solid tire 2 reaches a predetermined amount of wear, that is, when an outer circumferential surface of the solid tire 2 is worn to the vicinity of a safety line thereof. The solid tire 2 may be made of rubber or polyurethane, and is attached to the outer circumferential surface of the hub 1 by vulcanization or adhesion. In addition, the alarm device can comprise a sensor for detecting the abrasion loss of the solid tire 2, a controller and an alarm, when the sensor detects that the solid tire 2 reaches a preset abrasion loss, a signal can be transmitted to the controller, and the controller can control the alarm to give an alarm, so that a driver is reminded of tire faults.

Through above-mentioned technical scheme, this wheel that openly provides includes alarm device, and this alarm device installs on rim 1, and convenient assembling, and can not produce the interference with the tire, influence the form of tire to avoid causing the influence to the intensity of tire. In addition, the alarm device can remind a user to replace the tire when the tire reaches a preset abrasion loss, so that the problems of tire burst, slippage and the like caused by excessive abrasion of the tire are avoided, and the driving safety can be ensured. In addition, because the tire in this disclosure is a solid tire, the technical solution of this disclosure is suitable for wheels with low load bearing requirements, for example, horizontal guide wheels of rail vehicles and the like.

In an exemplary embodiment of the present disclosure, in order to provide an alarm device on the rim 1, as shown in fig. 1 to 3, the rim 1 may include a rim 11 extending from an outer circumferential surface of the rim 1 toward both sides of the wheel, and a protrusion 12 extending radially outward from an outer circumferential surface of the rim 11, and the alarm device may include a conductive wire 31 wound on an outer circumferential surface of the protrusion 12 and a signal transmitter 32 connected in parallel with the conductive wire 31. The alarm device may be configured to: when the tire 2 does not reach the preset abrasion loss, the wire 31 short-circuits the signal emitter 32, so that the signal emitter 32 is not electrified, and the signal emitter 32 cannot send out an alarm signal; when solid tyre 2 reaches predetermined wearing capacity, wire 31 can be worn off to make signal transmitter 32 can the circular telegram and send alarm signal, simple process, simple to operate, and rim non-deformable, can not produce the wrong report and report to the police, can not influence the intensity and the function of tire even more.

In order to allow the lead wire 31 to be worn away when the solid tire 2 reaches a predetermined amount of wear, it is understood that the lead wire 31 has at least one intersection with the safety line of the solid tire 2, so that the lead wire 31 can be worn away when the solid tire 2 reaches the predetermined amount of wear, that is, when the outer circumferential surface of the solid tire 2 is worn to the vicinity of the safety line. Since the wire 31 is wound around the convex portion 12, the outer peripheral surface of the convex portion 12 needs to have at least one intersection with the safety line of the solid tire 2, that is, the predetermined amount of wear of the solid tire 2 is equal to the difference between the outer diameter of the solid tire 2 and the outer diameter of the convex portion 12, so that the wire 31 intersects with the safety line of the solid tire 2.

In particular embodiments of the present disclosure, projections 12 may be configured in any suitable manner. Alternatively, referring to fig. 3, the projection 12 may include a first flange 121 and a second flange 122 formed at opposite sides of the rim 11, and the solid tire 2 may be mounted and stopped between the first flange 121 and the second flange 122, with the wire 31 wound on at least one of the first flange 121 and the second flange 122. Wherein the outer edges of the first flange 121 and the second flange 122 may extend radially to coincide with the safety line of the solid tire 2, so that the conductive wire 31 wound on the outer circumferential surface of the first flange 121 and/or the second flange 122 coincides with the safety line of the solid tire 2. In the embodiment of the present disclosure, the wires 31 may be wound around both the first flange 121 and the second flange 122, and specifically, the wires 31 may include a first section wound around the first flange 121 and a second section wound around the second flange 122, and the first section and the second section are connected in series, so that the wires 31 pass through both the inner flange and the outer flange of the wheel. As the wheel may have different wear rates at the inner side and the outer side in the use process, the lead 31 can be worn off when any side of the wheel reaches a preset wear amount, and the signal emitter 32 is triggered to send out an alarm signal, so that the use safety of the wheel can be ensured. In other embodiments, the protrusion 12 may be disposed on only one side of the rim 1, and the wire 31 may be wound around the outer circumferential surface of the protrusion 12, all falling within the scope of the present disclosure. In addition, the bulge 12 can ensure that the vehicle continues to run normally when a tire burst, rubber fall off or abrasion is extreme.

In the embodiment of the present disclosure, referring to fig. 1 to 3, the signal emitter 32 may be disposed on the wheel surface on either side of the rim 1, and in order to enable the lead wire 31 to be connected with the signal emitter 32, a through hole extending in the radial direction may be disposed on the protrusion 12, so that the lead wire 31 can pass through the through hole to reach the wheel surface, be fixed on the wheel surface in an abutting manner, and be electrically connected with the signal emitter 32. In order to ensure the attractiveness of the integral assembly of the wheel and improve the stability of fixing the wire harness, a wiring groove for accommodating the wire 31 can be designed on the wheel surface, and the wheel surface can be beautified by sticking paper and other modes.

In the embodiment of the present disclosure, referring to fig. 4 and 5, the alarm device may further include a power supply 33 and a resistor 34, wherein the wire 31 and the signal transmitter 32 are connected in parallel and then connected in series with the power supply 33 and the resistor 34, the power supply 33 can supply power to the wire 31 and the signal transmitter 32, and the resistor 34 can prevent the power supply 33 from short-circuiting the wire 31.

Further, a cushion layer for support may be provided on the outer circumferential surface of the rim 11 so that the wheel can run for a short time by the support of the rim 11 when the solid tire 2 is worn to the vicinity of the safety line or when the tire 2 is dropped. The buffer layer may be made of a flexible material such as rubber or polyurethane.

On the basis of the technical scheme, the present disclosure further provides a rail vehicle, which is shown in fig. 6 and 7, and the rail vehicle includes horizontal wheels 4, and the horizontal wheels 4 are wheels in the technical scheme.

Through above-mentioned technical scheme, the rail vehicle that this disclosure provided has the same technological effect with the wheel in above-mentioned technical scheme, avoids unnecessary repetition, does not describe herein again.

On the basis of the above technical solution, the present disclosure further provides a rail transit system, and as shown in fig. 6 and fig. 7, the rail transit system may include a rail vehicle and a rail beam 5 for carrying the rail vehicle, and the rail vehicle may be the rail vehicle in the above technical solution, wherein the rail vehicle runs along the rail beam 5, and the horizontal wheels 4 can prevent a vehicle body of the rail vehicle from being skewed or overturned.

Through the technical scheme, the rail transit system provided by the disclosure has the same technical effects as the rail vehicles in the technical scheme, and unnecessary repetition is avoided, so that the details are not repeated herein.

Since the rail beam 5 has various forms, in one embodiment of the present disclosure, as shown in fig. 6, the horizontal wheels 4 of the rail vehicle may be installed inside the rail beam 5 and contact the inner side surface of the rail beam 5 to ensure the normal running of the rail vehicle.

In another embodiment of the present disclosure, referring to fig. 7, the horizontal wheels 4 of the railway vehicle may be installed at the outer side of the rail beam 5 and contact the outer side surface of the rail beam 5 to ensure the normal running of the railway vehicle and prevent the vehicle body from tipping over.

In addition, the alarm device can be connected with the vehicle control unit, and the vehicle control unit can timely control the rail vehicle to stop for maintenance operation after receiving the alarm signal sent by the alarm device, so that the safety of personnel on the vehicle is ensured.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims

1. A wheel comprising a rim (1) and a solid tyre (2) mounted on said rim (1), characterized in that it further comprises an alarm device arranged on said rim (1), said alarm device emitting an alarm signal when said solid tyre (2) reaches a predetermined amount of wear.

2. A wheel according to claim 1, characterized in that said rim (1) comprises a rim (11) and a protrusion (12), said protrusion (12) extending radially outwards from the outer peripheral surface of said rim (11), said alarm means comprising a conductor wire (31) and a signal emitter (32), said conductor wire (31) being wound around the outer peripheral surface of said protrusion (12), said signal emitter (32) being connected in parallel to said conductor wire (31);

when the solid tyre (2) does not reach a preset abrasion amount, the conducting wire (31) is short-circuited with the signal emitter (32);

when the solid tyre (2) reaches a preset abrasion loss, the lead (31) is broken, and the signal transmitter (32) sends out an alarm signal.

3. A wheel according to claim 2, wherein said predetermined amount of wear is equal to the difference between the outer diameter of said solid tyre (2) and the outer diameter of said bulge (12).

4. A wheel according to claim 2, wherein the projection (12) comprises a first flange (121) and a second flange (122), the first flange (121) and the second flange (122) being formed on opposite sides of the rim (11), the solid tyre (2) being disposed between the first flange (121) and the second flange (122), the wire (31) being wound on at least one of the first flange (121) and the second flange (122).

5. A wheel according to claim 2, wherein said signal emitter (32) is arranged on the tread of said rim (1), said protrusion (12) having a radially extending through hole formed therein, said conductor (31) being fitted on said tread through said through hole and connected to said signal emitter (32).

6. A wheel according to claim 2, wherein said alarm means further comprises a power source (33) and a resistor (34), said conductor (31) and said signal transmitter (32) being connected in parallel and then in series with said power source (33) and said resistor (34).

7. A wheel according to claim 1, characterized in that the rim (11) is provided with a damping layer on its outer circumferential surface.

8. A rail vehicle comprising a horizontal wheel (4), characterized in that the horizontal wheel (4) is a wheel according to any one of claims 1-7.

9. A rail transit system comprising a rail vehicle and a rail beam (5) for carrying the rail vehicle, characterized in that the rail vehicle is a rail vehicle according to claim 8.

10. Rail transit system according to claim 9, characterised in that the horizontal wheels (4) are mounted inside the rail beam (5) and in contact with the side of the rail beam (5), or

The horizontal wheels (4) are arranged on the outer side of the track beam (5) and are in contact with the side face of the track beam (5).