CN114074689B

CN114074689B - Track inspection device

Info

Publication number: CN114074689B
Application number: CN202010840899.3A
Authority: CN
Inventors: 程二亭; 姚秀军; 桂晨光
Original assignee: Jingdong Technology Information Technology Co Ltd
Current assignee: Jingdong Technology Information Technology Co Ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2023-09-01
Anticipated expiration: 2040-08-19
Also published as: CN114074689A; WO2022037089A1

Abstract

The present disclosure relates to a track inspection device, comprising: a travelling component (2) configured to move the track inspection device along a first direction (x) on two tracks (3), the two tracks (3) being arranged at intervals along a second direction (y); the chassis component (1) is arranged on the walking component (2), the chassis component (1) comprises a first beam (11), a second beam (12) and a connecting rod (13), the first beam (11) and the second beam (12) are arranged at intervals along a first direction (x), the connecting rod (13) is arranged between the first beam (11) and the second beam (12) and extends along the first direction (x), and two ends of the connecting rod (13) are respectively connected with the first beam (11) and the second beam (12) and are rotatably arranged relative to the first beam (11) and the second beam (12); and a detection assembly provided to the chassis member (1) and configured to detect the condition of the rail (3).

Description

Track inspection device

Technical Field

The disclosure relates to the technical field of track detection, in particular to a track inspection device.

Background

In recent years, rail traffic industries such as railways, subways and the like rapidly develop, and in the running process of vehicles, running safety is closely related to the state of the rails, for example, the rails are worn or cracked to a large extent, the rail gauges do not meet the requirements and the like, so that the running safety of the trains can be influenced.

At present, the inspection of the track is mainly finished by manpower, the labor intensity of inspection personnel is high, and the detection precision is difficult to guarantee. Later, although an automatic inspection device appears, the transition of the rails at the joints is not smooth, or the rails at the two sides can have height difference, the automatic inspection device can not avoid jolting or suspending wheels when running on the rails, thereby affecting the accuracy of rail detection.

Disclosure of Invention

The embodiment of the disclosure provides a track inspection device capable of improving the accuracy of track detection.

The embodiment of the disclosure provides a track inspection device, comprising:

the walking component is configured to enable the track inspection device to move on two tracks along a first direction, the two tracks are arranged at intervals along a second direction, and the second direction is perpendicular to the first direction;

the chassis component is arranged on the travelling component, and comprises a first beam, a second beam and a connecting rod, wherein the first beam and the second beam are arranged at intervals along a first direction, the connecting rod is arranged between the first beam and the second beam and extends along the first direction, and two ends of the connecting rod are respectively connected with the first beam and the second beam and are rotatably arranged relative to the first beam and the second beam; and

and the detection assembly is arranged on the chassis component and is configured to detect the condition of the track.

In some embodiments, the first beam and the second Liang Junyan extend in a second direction with the connecting rod being located midway along the second direction with the first beam.

In some embodiments, the detection assembly includes two photographing members mounted on at least one of the first beam and the second beam, each of the two photographing members having an illumination surface configured to face the two tracks, respectively, for photographing images of the two tracks, respectively.

In some embodiments, the system further comprises a controller configured to compare the captured image with a pre-stored normal image to identify a damage condition of the track.

In some embodiments, the camera assembly further comprises an adjustment mechanism mounted to the first beam or the second beam by the adjustment mechanism, the adjustment mechanism configured to adjust at least one of a position and an attitude of the camera assembly.

In some embodiments, the adjustment mechanism comprises: the first end of the first rod is rotatably connected with the first beam or the second beam, the first end of the second rod is rotatably connected with the second end of the first rod, and the second end of the second rod is provided with a shooting component.

In some embodiments, the detection assembly comprises: a gauge detecting part provided on the first beam or the second beam, the gauge detecting part including a first ranging sensor and a second ranging sensor disposed at intervals along the second direction, configured to detect distances from the same side rail, respectively;

the track gauge is the distance between the first distance measuring sensor and the second distance measuring sensor and the track on the same side respectively, and the sum of the distances between the first distance measuring sensor and the second distance measuring sensor.

In some embodiments, the gauge detecting members are provided in two sets provided on the first beam and the second beam, respectively, and the setting positions in the second direction are the same, and the gauge is configured to be obtained with the two first ranging sensors and the two second ranging sensors in the two sets of gauge detecting members aligned.

In some embodiments, the detection assembly further comprises an ultrasonic detection component configured to detect whether an obstacle is present around the track.

In some embodiments, the cleaning device further comprises a cleaning component disposed outside the chassis component along the first direction at a position corresponding to the track, and configured to clean the track.

In some embodiments, the cleaning component comprises:

the mounting frame is fixed with the first beam or the second beam; and

a sweeping part provided on the mounting frame and configured to sweep by contacting with the rail; and

the baffle is arranged on the mounting frame, is positioned on the outer side of the sweeping part in the first direction and is configured to remove sundries on the track in advance.

In some embodiments, the baffle is height-adjustably disposed relative to the mounting frame.

In some embodiments, the baffle comprises:

the first plate is vertically arranged and is arranged on the outer side surface of the mounting frame along the first direction;

the second plate is vertically arranged, is positioned on the outer side of the first plate along the first direction and is inclined towards the outer side of the track relative to a plane perpendicular to the first direction; and

and a third plate connected between the bottom of the first plate and the top of the second plate.

In some embodiments, the mounting bracket comprises:

a first mounting portion fixed to the first beam or the second beam;

the second installation part is positioned outside the first installation part along the first direction, forms an L-shaped structure with the first installation part, and is rotatably connected with the first installation part;

a counterweight provided on the second mounting portion; and

the two ends of the elastic element are respectively connected with the top end of the first installation part and the outer end of the second installation part;

wherein, the brush part is set up in the bottom of second installation department.

In some embodiments, the sweep includes a plurality of closely spaced wires.

In some embodiments, the track inspection device further comprises an anti-collision component arranged on the outer side surface of the beam, which is close to the advancing direction of the track inspection device, of the first beam and the second beam.

In some embodiments, the rail inspection device further comprises an alarm component configured to alarm when the rail inspection device itself fails or is subject to external interference.

In some embodiments, a drive member is also included, the walking member including a front wheel set and a rear wheel set, the drive member configured to power the front wheel set or the rear wheel set.

In some embodiments, the track inspection device further comprises a push rod arranged on the first beam or the second beam and configured to drive the track inspection device to walk under the action of external force when the driving component breaks down.

In some embodiments, the pushrod is rotatably disposed relative to the first beam or the second beam such that the pushrod folds onto the first beam or the second beam on which the pushrod is mounted.

In some embodiments, a stand is provided at the top end of the push rod, configured to place the mobile terminal when the track inspection device is commissioned.

In some embodiments, further comprising:

the battery box is fixed on the inner side of the first beam or the second beam along the first direction, and two sides of the battery box are connected with the first beam or the second beam provided with the battery box through the reinforcing beam in the second direction; and

and the battery is arranged in the battery box.

According to the track inspection device, the chassis part adopts the H-shaped structure, the connecting rod is rotatably arranged relative to the first beam and the second beam, when the single-side track is uneven or the tracks on the two sides have height differences, the first beam and/or the second beam can be forced to rotate relative to the connecting rod under the action of the tracks, so that the posture of the chassis part can be flexibly and adaptively adjusted according to the track conditions, the reliable contact between the walking part and the tracks is ensured, the track inspection device walks more stably on the tracks, and the accuracy and precision of detection of the detection part can be improved. And moreover, the chassis part is simple in structure and light in weight, so that the track inspection device is light in weight and convenient to use.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate and explain the present disclosure, and together with the description serve to explain the present disclosure. In the drawings:

FIG. 1 is a schematic diagram of some embodiments of a track inspection device of the present disclosure;

FIG. 2 is a top view of some embodiments of the track inspection device of the present disclosure;

fig. 3 is a schematic structural view of some embodiments of a cleaning component in a track inspection device of the present disclosure.

Description of the reference numerals

1. A chassis component; 11. a first beam; 12. a second beam; 13. a connecting rod; 2. a walking member; 3. a track; 4. a photographing part; 5. an adjusting mechanism; 51. a first lever; 52. a second lever; 6. a gauge detecting section; 61. a first ranging sensor; 62. a second ranging sensor;

7. a cleaning member; 71. a mounting frame; 711. a first mounting portion; 712. a second mounting portion; 7121. a side frame; 7122. a cross bar; 72. a sweeping part; 73. a baffle; 731. a first plate; 732. a second plate; 733. a third plate; 734. a slotted hole; 75. a counterweight; 76. a fixed rod; 77. an elastic element; 8. an ultrasonic detection section; 9. an alarm part; 10. a push rod; 11. a first beam; 12. a second beam; 14. a battery case; 15. a stiffening beam; 20. a bracket; 30. a mobile terminal; 40. a lighting member; 50. a battery; 60. and an anti-collision component.

Detailed Description

The present disclosure is described in detail below. In the following paragraphs, the different aspects of the embodiments are defined in more detail. Aspects so defined may be combined with any other aspect or aspects unless explicitly stated to be non-combinable. In particular, any feature or features may be combined with one or more other features may be desired and advantageous.

The terms "first," "second," and the like in this disclosure are merely for convenience of description to distinguish between different constituent components having the same name, and do not denote a sequential or primary or secondary relationship.

In addition, when an element is referred to as being "on" another element, it can be directly on the other element or be indirectly on the other element with one or more intervening elements interposed therebetween. In addition, when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element with one or more intervening elements interposed therebetween. Like reference numerals refer to like elements hereinafter.

The description of the orientation or positional relationship indicated by "upper", "lower", "top", "bottom", "front", "rear", "inner" and "outer", etc. is used in this disclosure for convenience of description of the present disclosure only, and is not intended to indicate or imply that the apparatus referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the present disclosure. As shown in fig. 1, the "first direction" mentioned later is the extending direction of the track 3, i.e. the moving direction of the track inspection device, defined as x-direction; the second direction is the direction in which the two tracks 3 are arranged at intervals, the second direction is perpendicular to the first direction in the horizontal plane, and the second direction is defined as the y direction; the plane where the third direction is perpendicular to the first direction and the second direction is the height direction, and is defined as the z direction.

As shown in fig. 1 and 2, the present disclosure provides a track inspection device, which can be used for inspecting a track in a railway, a subway, or a tunnel, and can realize automatic inspection.

In some embodiments, a track inspection device of the present disclosure includes: a walking component 2, a chassis component 1 and a detection component.

Wherein the travelling part 2 is configured to move the track inspection device on two tracks 3 along a first direction x, the two tracks 3 being spaced apart along a second direction y. The running gear 2 can be rolled to realize running, such as wheels, and in fig. 1, the running gear 2 comprises four wheels, and each track 3 is matched with two wheels; alternatively, the traveling member 2 may be slid to travel, for example, by engaging the traveling member 2 with the side surface of the rail 3.

The chassis member 1 is provided on the traveling member 2, and the chassis member 1 includes a first beam 11, a second beam 12, and a connecting rod 13, the first beam 11 and the second beam 12 being disposed at intervals in a first direction x, the connecting rod 13 being provided between the first beam 11 and the second beam 12 and extending in the first direction x, both ends of the connecting rod 13 being connected with the first beam 11 and the second beam 12, respectively, and being rotatably disposed with respect to the first beam 11 and the second beam 12.

The detection assembly is provided to the chassis component 1 and is configured to detect a condition of the track 3, the condition of the track 3 including a condition of the track 3 itself and/or a condition of a space surrounding the track 3.

The track inspection device of this embodiment of this disclosure, chassis part 1 adopts H shape structure, and connecting rod 13 rotationally sets up for first roof beam 11 and second roof beam 12, when the unevenness appears in unilateral track 3 or both sides track 3 has the difference in height, can force first roof beam 11 and/or second roof beam 12 can rotate with connecting rod 13 relatively under the effect of track 3, thereby make the gesture of chassis part 1 can be according to track 3 circumstances flexible self-adaptation adjustment, guarantee walking part and track 3 reliable contact, make the track inspection device walk more steadily on track 3, can improve the accuracy and the precision that detect the part detects. Moreover, the chassis part 1 has simple structure and light weight, realizes the light weight of the track inspection device, and is convenient to use.

For example, when patrolling and examining the railway track, the railway track is difficult to reach higher precision, the track of both sides can not avoid appearing the difference in height when making or laying, and after long-term use, orbital wearing and tearing also probably lead to the both sides track to appear the difference in height, and the phenomenon that connects unsmooth can appear also in the joint position of two sections tracks, therefore, the parameter error of railway track can be adapted to better to this disclosed track inspection device to reach higher detection accuracy, thereby replace manual detection.

As shown in fig. 1 and 2, the first beam 11 and the second beam 12 each extend along the second direction y, the first beam 11 and the second beam 12 may span the two tracks 3, the connecting rod 13 is located at an intermediate position of the first beam 11 along the second direction y, and the connecting rod 13 is perpendicular to the first beam 11 and the second beam 12.

The structure can make the chassis component 1 symmetrical relative to the connecting rod 13 in the second direction y, on one hand, the weight distribution of the chassis component 1 can be uniform, and the track inspection device can walk more stably; furthermore, the connecting rod 13 is positioned at the middle position between the two rails 3, so that the adjusting structures at the two sides of the chassis component 1 can be symmetrical, and the adaptability of the two rails 3 is consistent.

In some embodiments, the track inspection device further comprises a drive member, the walking member 2 comprising a front wheel set and a rear wheel set, the drive member being configured to power the front wheel set or the rear wheel set. This embodiment enables the running speeds of the front and rear wheel sets to be kept consistent, thereby enabling the track inspection device to walk on the track 3 more stably. Preferably, the driving part is configured to power the front wheel set, so that the front end of the chassis part 1 can be prevented from lifting when the track inspection device is started.

As shown in fig. 1, the track inspection device further includes a push rod 10 disposed on the first beam 11 or the second beam 12 and configured to drive the track inspection device to walk under the action of an external force when the driving component fails. For example, the inspection person may pull the push rod 10 to move the track inspection device, and the push rod 10 may be disposed at an angle with respect to the chassis member 1, and may be disposed vertically or inclined in the forward direction. Preferably, if the first beam 11 is disposed near the advancing direction, the push rod 10 is disposed on the first beam 11, which is more convenient for applying an external force to the push rod 10.

According to the embodiment, under the condition of automatic driving walking function faults, the track 3 can be inspected by utilizing the detection component on the track inspection device, so that the inspection task is finished smoothly, and the detection accuracy is still ensured.

As shown in fig. 1, the push rod 10 is rotatably disposed with respect to the first beam 11 or the second beam 12 such that the push rod 10 is folded onto the first beam 11 or the second beam 12 on which the push rod 10 is mounted, and the rotatably coupled position may be located at the bottom end of the push rod 10. For example, the push rod 10 may be folded by 90 ° along the vertical plane in which the second direction y is located, and then may coincide with the length direction of the first beam 11 or the second beam 12 itself.

The embodiment can realize detection by applying external action to the push rod 10 to enable the track inspection device to walk under the condition of automatic driving walking function failure, and can fold back the push rod 10 under the automatic inspection working mode so as to reduce the occupied height of the push rod 10 and the brought extra resistance, for example, when the track in a railway track or a tunnel is inspected, larger wind force can be encountered, and the shaking of the track inspection device in the walking process can be reduced by retracting the push rod 10, so that the detection accuracy is improved.

As shown in fig. 1, a support 20 is provided at the top end of the push rod 10, and is configured to place a mobile terminal 30, such as a notebook computer, a tablet computer, a mobile phone, etc., when the track inspection device is debugged.

This embodiment enables the push rod 10 to be in an open state and prevents the mobile terminal 30 on the stand when debugging the track inspection device, so as to flexibly debug the track inspection device.

In some embodiments, the drive components may be powered or illuminated in order to power the track inspection device. The track inspection device further comprises: the battery box 14 and the battery 50, the battery box 14 is fixed on the inner side of the first beam 11 or the second beam 12 along the first direction x, and in the second direction y, both sides of the battery box 14 are connected with the first beam 11 or the second beam 12 on which the battery box 14 is installed through the reinforcing beam 15; the battery 50 is provided in the battery case 14. In order to make the weight distribution of the track inspection device in the second direction y uniform, the stress on two sides is uniform, the battery box 14 is arranged in the middle position of the first beam 11 or the second beam 12 along the second direction y, and the rigidity of the connection between the battery box 14 and the chassis component 1 can be improved by reinforcing the reinforcing beams 15 on two sides.

In some embodiments, the track inspection device further includes an illumination component 40 for providing illumination. This embodiment can be adapted to perform inspection tasks in low light or at night.

The detection means will be described below.

In some embodiments, as shown in fig. 1, the detection assembly includes two photographing members 4 mounted on at least one of the first beam 11 and the second beam 12, both photographing members 4 may be mounted on the first beam 11, both photographing members may be mounted on the second beam 12, or one photographing member 4 may be mounted on the first beam 11 and the other photographing member 4 may be mounted on the second beam 12. The respective irradiation surfaces of the two photographing parts 4 are configured to be irradiated toward the two rails 3, respectively, i.e., outwardly in the second direction y, for photographing images of the two rails 3, respectively.

Further, the track inspection device may further include a controller, which may be disposed on the chassis component 1, for example, by using a single-chip microcomputer, a PLC, a DSP, or the like, or may be disposed in the control station, where the controller wirelessly receives the image of the photographing component 4, and the controller is configured to compare the photographed image with a pre-stored normal image, so as to identify the damage condition of the track 3 through a learning algorithm. Damage conditions include flaws such as cracks, wear, and the like.

As shown in fig. 1, the track inspection device further includes an adjusting mechanism 5, the photographing part 4 is mounted on the first beam 11 or the second beam 12 through the adjusting mechanism 5, and the adjusting mechanism 5 is configured to adjust at least one of a position and an attitude of the photographing part 4.

According to the embodiment, at least one of the position and the posture of the shooting component 4 can be flexibly adjusted by arranging the adjusting mechanism 5, so that a better shooting angle is obtained, a clear image is obtained, and the accuracy of identifying the damage condition of the track 3 is improved. For example, for a particular track, adjustments may be made during commissioning, and subsequent use may maintain that position.

In some embodiments, as shown in fig. 1, the adjustment mechanism 5 includes: a first lever 51 and a second lever 52, a first end of the first lever 51 being rotatably connected to the first beam 11 or the second beam 12 in a plane perpendicular to the first direction x, a first end of the second lever 52 being rotatably connected to a second end of the first lever 51, the second end of the second lever 52 mounting the photographing part 4. In fig. 1, two first bars 51 are connected to the side of the second beam 12 facing the first beam 11, and the first bars 51 may have a length greater than the second bars 52.

In this embodiment, the first lever 51 mainly adjusts the height of the photographing part 4 and the photographing distance from the track 3, and the second lever 52 mainly adjusts the photographing angle of the photographing part 4 while finely adjusting the height thereof. Through the cooperation of the first rod 51 and the second rod 52, a better shooting angle can be flexibly obtained, so that a clear image is obtained, and the accuracy of identifying the damage condition of the track 3 is improved.

In some embodiments, as shown in fig. 1, the detection assembly includes: the gauge detecting member 6 is provided on the first beam 11 or the second beam 12, and detects the distance between the two rails 3. The gauge detecting section 6 includes a first distance measuring sensor 61 and a second distance measuring sensor 62 disposed at intervals in the second direction y, and is configured to detect distances from the same side rails 3, respectively.

Wherein the track gauge is the sum of the distances between the first ranging sensor 61 and the second ranging sensor 62 and the track 3 on the same side and the distances between the first ranging sensor 61 and the second ranging sensor 62. In order to facilitate the detection and to improve the detection accuracy, the first beam 11 and the second beam 12 may be arranged in the second direction.

The embodiment can detect the distance between the two tracks 3 in real time in the walking process of the track inspection device, and the position where the track gauge exceeds the standard can be automatically judged by the controller.

In some embodiments, as shown in fig. 2, the gauge detecting members 6 are provided with two sets provided on the first beam 11 and the second beam 12, respectively, and the setting positions in the second direction y are the same, and the gauges are configured to be obtained with the two first ranging sensors 61 and the two second ranging sensors 62 in the two sets of gauge detecting members 6 aligned.

In an ideal case, the two first ranging sensors 61 are aligned and the two second ranging sensors 62 are also aligned, but during the actual traveling, the two first ranging sensors 61 may be deviated in position or the two second ranging sensors 62 may be deviated in position due to the difference in height of the rails 3 at both sides or the presence of a curve in the rails 3, and the deviation in position may include a deviation in position along the second direction y and the third direction z. The alignment condition of the ranging sensor is judged through the controller, so that the moment of track gauge detection can be judged, and the accuracy of track gauge detection is improved.

In some embodiments, as shown in fig. 1, the detection assembly further comprises an ultrasonic detection member 8, which may be provided on the side of the first beam 11 remote from the second beam 12, configured to detect whether an obstacle is present around the track 3. The controller can stop the track inspection device from walking when receiving the signal of the obstacles around the track, and the track inspection device can walk after timely removing the obstacles.

In some embodiments, the track inspection device further includes an impact member 60, such as an impact strip, disposed on an outer side of the beam of the first beam 11 and the second beam 12 proximate the direction of travel. By providing the collision preventing member 60, it is possible to reduce the impact force when the track inspection device collides with another object, so as to prevent damage.

In some embodiments, the track inspection device further comprises an alarm means 9, such as an audible and visual alarm, configured to alarm when the track inspection device itself fails or is subject to external disturbances. The embodiment can prompt maintenance personnel in time when the track inspection device breaks down or is interfered by the outside so as to carry out subsequent treatment, so that the track inspection device is prevented from staying on a track for a long time to bring danger.

On the basis of the above-described embodiment, as shown in fig. 1, the track inspection device of the present disclosure further includes a cleaning member 7 provided at a position corresponding to the track 3 outside the chassis member 1 in the first direction x, configured to clean the track 3.

According to the embodiment, sundries, dust or rust and the like on the surface of the track 3 can be cleaned by the cleaning component 7, so that the track inspection device can walk more stably and smoothly, larger sundries are prevented from tipping, and the accuracy and reliability of track detection can be improved.

As shown in fig. 3, the cleaning member 7 includes: a mounting frame 71, a brush section 72 and a baffle 73. Wherein the mounting bracket 71 is fixed to the first beam 11 or the second beam 12; the sweeping part 72 is provided on the mount 71 and configured to sweep by being in contact with the rail 3; the baffle 73 is disposed on the mounting frame 71 and located outside the brushing portion 72 in the first direction x, and is configured to remove sundries on the track 3 in advance, and the bottom end of the baffle 73 is higher than the upper surface of the track 3 so as not to affect walking of the track inspection device.

In this embodiment, impurities, such as stones, sand, paper scraps, etc., on the track 3 can be scraped off by the baffle 73, so that the travelling component 2 can move smoothly, and the occurrence of rolling or shaking is prevented, and dust, dirt, rust, etc. on the upper surface of the track 3 can be scraped off by the sweeping part 72, so that the travelling stability of the travelling component 2 can be further improved, and the track detection accuracy can be improved.

As shown in fig. 3, the shutter 73 is provided height-adjustably with respect to the mounting frame 71. If the baffle 73 is adjusted to a lower position, smaller impurities can be removed, but the impurities cannot pass through when encountering irregularities on the track 3; if the shutter 73 is adjusted to a high position, the shutter can ensure smooth passage, and only large foreign matters can be removed. For the track 3 to be inspected, the baffle 73 may be adjusted to a proper height to remove more impurities on the basis of ensuring smooth passage.

As shown in fig. 3, the baffle 73 includes: the first plate 731 is vertically arranged, is arranged on the outer side surface of the mounting frame 71 along the first direction x, and can be provided with at least two oblong holes 734 along the second direction y at intervals, and is fixed with the mounting frame 71 through a fastener; a second plate 732 vertically disposed outside the first plate 731 in a first direction x and inclined toward the outside of the rail 3 with respect to a plane perpendicular to the first direction x; and a third plate 733 horizontally disposed, connected between the bottom of the first plate 731 and the top of the second plate 732, such that the third plate 733 is triangular due to the inclined arrangement of the second plate 732.

This embodiment can clear away debris on the track 3 to the outside of track 3 through the second board 732 at the in-process of track inspection device walking, prevents to influence the inspection process, can also prevent to cause the influence to the traveling of vehicle.

As shown in fig. 3, the mounting bracket 71 includes: a first mounting portion 711, a second mounting portion 712, a weight 75, and an elastic member 77.

The first mounting portion 711 is fixed to the first beam 11 or the second beam 12, and the first mounting portion 711 may have a plate-like structure, and a triangular weight reduction through groove is provided in a middle position of the bottom.

The second mounting portion 712 is located outside the first mounting portion 711 along the first direction x and forms an L-shaped structure with the first mounting portion 711, and the second mounting portion 712 is rotatably connected to the first mounting portion 711, for example, the second mounting portion 712 includes two side frames 7121 having an L-shaped cross section and opening outward, each of one end of the two side frames is rotatably connected to the first mounting portion 711, each of the other ends is connected through a cross bar 7122, and the baffle 73 is connectable to the cross bar 7122.

The counterweight 75 is provided on the second mounting portion 712, for example, between the two side frames 7121.

The two ends of the elastic element 77 are respectively connected to the top end of the first mounting portion 71 and the outer end of the second mounting portion 71, and the elastic element 77 may be a spring; the brush part 72 is provided at the bottom of the second mounting part 71 and also at the bottom of the counterweight 75. In order to facilitate fixing the elastic element 77, two ends of the top of the first mounting portion 711 along the second direction y are respectively provided with a fixing rod 76, two sides of the second mounting portion 712 along the second direction y respectively extend out of the fixing rod 76, and an end of the elastic element 77 is connected to the fixing rod 76.

In this embodiment, the sweeping part 72 can be closely contacted with the rail 3 under the action of the counterweight 75 to improve the sweeping effect; further, since the second mounting portion 712 is rotatably connected to the first mounting portion 711, when the brush portion 72 contacts a portion slightly raised above the rail 3, the brush portion 72 and the second mounting portion 712 swing upward, and after passing the raised portion, the brush portion 72 returns to the original position, and in this process, the return of the brush portion 72 is gentle due to the urging force of the elastic member 77, thereby preventing the rail 3 from being impacted or damaged.

In some embodiments, the sweep 72 includes a plurality of closely spaced wires. The cleaning brush part 72 can remove dirt on the surface of the track 3 more thoroughly, has better wear resistance and can prolong the service life.

The track inspection device of the present disclosure may be designed in the form of an inspection robot or an inspection vehicle, etc. When a section of track with a specific length is inspected, the track inspection device can walk along the positive direction, after the inspection is finished, the track inspection device can walk reversely, and when the track inspection device walks reversely, the driving part can be directly reversed, and the track inspection device can turn around. The inspection mode can be compared through the inspection results of the two times, so that the detection accuracy is further improved.

The track inspection device provided by the present disclosure is described in detail above. Specific examples are set forth herein to illustrate the principles and embodiments of the present disclosure, and the above examples are merely intended to aid in understanding the methods of the present disclosure and the core ideas thereof. It should be noted that it would be apparent to those skilled in the art that various improvements and modifications could be made to the present disclosure without departing from the principles of the present disclosure, and such improvements and modifications would be within the scope of the claims of the present disclosure.

Claims

1. A track inspection device, comprising:

a walking component (2) configured to move the track inspection device on two tracks (3) along a first direction (x), the two tracks (3) being arranged at intervals along a second direction (y), the second direction (y) being perpendicular to the first direction (x);

the chassis component (1) is arranged on the walking component (2), the chassis component (1) comprises a first beam (11), a second beam (12) and a connecting rod (13), the first beam (11) and the second beam (12) are arranged at intervals along the first direction (x), the connecting rod (13) is arranged between the first beam (11) and the second beam (12) and extends along the first direction (x), and two ends of the connecting rod (13) are respectively connected with the first beam (11) and the second beam (12) and are rotatably arranged relative to the first beam (11) and the second beam (12);

a detection assembly provided to the chassis component (1) configured to detect a condition of the rail (3); and

a cleaning member (7) provided at a position corresponding to the rail (3) outside the chassis member (1) in the first direction (x), and the cleaning member (7) includes:

-a mounting frame (71) comprising: a first mounting part (711) fixed to the first beam (11) or the second beam (12); and a second mounting portion (712) located outside the first mounting portion (711) in the first direction (x) and forming an L-shaped structure with the first mounting portion (711), the second mounting portion (712) being rotatably connected with the first mounting portion (711);

a cleaning part (72) provided at the bottom of the second mounting part (71) and configured to clean by contacting with the rail (3); and

and a baffle (73) provided on the mounting frame (71) and located outside the brushing part (72) in the first direction (x) and configured to remove impurities on the rail (3) in advance.

2. The track inspection device according to claim 1, wherein the first beam (11) and the second beam (12) each extend along the second direction (y), the connecting rod (13) being located at an intermediate position of the first beam (11) along the second direction (y).

3. The track inspection device according to claim 1, wherein the detection assembly comprises two photographing members (4) mounted on at least one of the first beam (11) and the second beam (12), the respective illumination surfaces of the two photographing members (4) being configured to face the two tracks (3) respectively for photographing images of the two tracks (3) respectively.

4. A track inspection device according to claim 3, further comprising a controller configured to compare the captured image with a pre-stored normal image to identify a damage condition of the track (3).

5. A track inspection device according to claim 3, further comprising an adjustment mechanism (5), the shooting component (4) being mounted on the first beam (11) or the second beam (12) by the adjustment mechanism (5), the adjustment mechanism (5) being configured to adjust at least one of a position and a posture of the shooting component (4).

6. The track inspection device according to claim 5, wherein the adjustment mechanism (5) comprises: a first lever (51) and a second lever (52), a first end of the first lever (51) being rotatably connected to the first beam (11) or the second beam (12) in a plane perpendicular to the first direction (x), a first end of the second lever (52) being rotatably connected to a second end of the first lever (51), the second end of the second lever (52) mounting the photographing part (4).

7. The track inspection device of claim 1, wherein the detection assembly comprises: a track gauge detection member (6) provided on the first beam (11) or the second beam (12), the track gauge detection member (6) including a first distance measurement sensor (61) and a second distance measurement sensor (62) disposed at intervals along the second direction (y) and configured to detect distances to the rails (3) on the same side, respectively;

wherein the track gauge is the sum of the distances between the first distance measuring sensor (61) and the second distance measuring sensor (62) and the track (3) on the same side respectively, and the distances between the first distance measuring sensor (61) and the second distance measuring sensor (62).

8. The track inspection device according to claim 7, wherein the gauge detecting means (6) is provided with two sets, provided on the first beam (11) and the second beam (12), respectively, and the setting positions in the second direction (y) are the same, the gauge being configured to be obtained with the two first ranging sensors (61) and the two second ranging sensors (62) in the two sets of gauge detecting means (6) aligned.

9. The track inspection device according to claim 1, wherein the detection assembly further comprises an ultrasonic detection means (8) configured to detect whether an obstacle is present around the track (3).

10. The track inspection device according to claim 1, wherein the baffle (73) is height-adjustably arranged with respect to the mounting frame (71).

11. The track inspection device of claim 1, wherein the baffle (73) comprises:

a first plate (731) vertically arranged and mounted to an outer side surface of the mounting frame (71) along the first direction (x);

a second plate (732) vertically disposed outside the first plate (731) in the first direction (x) and inclined toward the outside of the rail (3) with respect to a plane perpendicular to the first direction (x); and

a third plate (733) connected between the bottom of the first plate (731) and the top of the second plate (733).

12. The track inspection device of claim 1, wherein the mounting bracket (71) further comprises:

a counterweight (75) provided on the second mounting portion (712); and

and an elastic member (77) having both ends connected to the tip end of the first mounting portion (71) and the outer end of the second mounting portion (71), respectively.

13. The track inspection device of claim 1, wherein the sweep (72) comprises a plurality of closely spaced wires.

14. The track inspection device according to claim 1, further comprising an anti-collision member (60) provided on an outer side surface of a beam of the first beam (11) and the second beam (12) that is close to an advancing direction of the track inspection device.

15. The track inspection device according to claim 1, further comprising an alarm means (9) configured to alarm when the track inspection device itself malfunctions or is subject to external disturbances.

16. The track inspection device of claim 1, further comprising a drive component, the walking component (2) comprising a front wheel set and a rear wheel set, the drive component configured to power the front wheel set or the rear wheel set.

17. The track inspection device of claim 16, further comprising a push rod (10) provided on the first beam (11) or the second beam (12) and configured to drive the track inspection device to travel under an external force when the driving member fails.

18. The track inspection device according to claim 17, wherein the push rod (10) is rotatably arranged with respect to the first beam (11) or the second beam (12) such that the push rod (10) is folded onto the first beam (11) or the second beam (12) on which the push rod (10) is mounted.

19. The track inspection device according to claim 17, wherein a top end of the push rod (10) is provided with a stand (20) configured to place a mobile terminal (30) when the track inspection device is commissioned.

20. The track inspection device of claim 1, further comprising:

a battery case (14) fixed to the inner side of the first beam (11) or the second beam (12) in the first direction (x), both sides of the battery case (14) being connected to the first beam (11) or the second beam (12) to which the battery case (14) is mounted through a reinforcement beam (15) in the second direction (y); and

and a battery (50) provided in the battery case (14).