CN114074689A

CN114074689A - Track inspection device

Info

Publication number: CN114074689A
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: 2022-02-22
Anticipated expiration: 2040-08-19
Also published as: WO2022037089A1; CN114074689B

Abstract

The present disclosure relates to a track inspection device, including: the track inspection device comprises a walking part (2) and a plurality of track inspection devices, wherein the walking part is configured to enable the track inspection device to move on two tracks (3) along a first direction (x), and the two tracks (3) are 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, which is arranged on the chassis component (1) and is configured to detect the condition of the track (3).

Description

Track inspection device

Technical Field

The utility model relates to a track detects technical field, especially relates to a track inspection device.

Background

In recent years, rail transportation industries such as railways and subways are rapidly developed, and in the running process of vehicles, the running safety is closely related to the state of a rail, for example, the rail is worn or cracked to a large extent, the track gauge does not meet the requirements, and the like, so that the running safety of trains is affected.

At present, the inspection of the track is mainly completed manually, the labor intensity of inspection personnel is high, and the detection precision is difficult to ensure. Although the automatic inspection device appears later, the transition of the rail at the joint is not smooth, or the rails on two sides may have height difference, so that the automatic inspection device inevitably generates the phenomenon of jolting or wheel suspension when running on the rail, thereby influencing the accuracy of rail detection.

Disclosure of Invention

The embodiment of the disclosure provides a track inspection device, which can improve the accuracy of track detection.

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

the traveling 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 walking component and comprises a first beam, a second beam and a connecting rod, 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 beam each extend in the second direction, and the connecting rod is located at a position intermediate the first beam in the second direction.

In some embodiments, the detection assembly includes two photographing parts mounted on at least one of the first beam and the second beam, respective illumination surfaces of the two photographing parts being configured to face the two rails, respectively, for photographing images of the two rails, respectively.

In some embodiments, the controller is further configured to compare the captured image with a pre-stored normal image to identify damage to the rail.

In some embodiments, further comprising an adjustment mechanism by which the photographic element is mounted on the first beam or the second beam, the adjustment mechanism configured to adjust at least one of a position and a posture of the photographic element.

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 component comprises: the track gauge detection part is arranged on the first beam or the second beam, comprises a first distance measurement sensor and a second distance measurement sensor which are arranged at intervals along a second direction and is configured to detect the distance between the track and the track on the same side 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, and the sum of the distances between the first distance measuring sensor and the second distance measuring sensor.

In some embodiments, the track gauge detecting parts are provided in two sets, respectively provided on the first beam and the second beam, and disposed at the same position in the second direction, and the track gauge is configured to be obtained with the two first ranging sensors of the two sets of track gauge detecting parts aligned, and the two second ranging sensors aligned.

In some embodiments, the detection assembly further comprises an ultrasonic detection component configured to detect the presence of an obstacle around the track.

In some embodiments, the cleaning member is provided at a position corresponding to the rail on the outer side of the chassis member in the first direction, and configured to clean the rail.

In some embodiments, the sweeping 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

and a baffle plate arranged on the mounting frame, positioned outside the sweeping part in the first direction and configured to remove impurities on the rail in advance.

In some embodiments, the baffle is height-adjustably positioned relative to the mounting bracket.

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 a first direction;

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

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

In some embodiments, the mount comprises:

the first mounting part is fixed with the first beam or the second beam;

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

a counterweight arranged on the second mounting part; and

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

wherein, the sweeping part is arranged at the bottom of the second mounting part.

In some embodiments, the wiper portion comprises 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 close to the advancing direction of the track inspection device in the first beam and the second beam.

In some embodiments, an alarm component is also included that is configured to alarm when the track inspection device itself fails or is subject to external interference.

In some embodiments, the vehicle further comprises a drive member, the walking member comprising 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 part fails.

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

In some embodiments, the top end of the push rod is provided with a bracket configured to place the mobile terminal when the track inspection device is debugged.

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 in the second direction, the 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; and

the battery is arranged in the battery box.

The track inspection device of the embodiment of the disclosure, the chassis component adopts an H-shaped structure, and the connecting rod is rotationally arranged relative to the first beam and the second beam, when the track on one side is uneven or the tracks on two sides have height difference, the first beam and/or the second beam can be forced to rotate relative to the connecting rod under the action of the track, so that the posture of the chassis component can be flexibly and adaptively adjusted according to the track condition, the reliable contact between the walking component and the track is ensured, the walking of the track inspection device on the track is more stable, and the accuracy and precision of detection of the detection component can be improved. And the chassis component has simple structure and light weight, realizes the light weight of the track inspection device and is convenient to use.

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 application, illustrate embodiment(s) of the disclosure and together with the description serve to explain the disclosure and not to limit the disclosure. In the drawings:

FIG. 1 is a schematic diagram of the construction of some embodiments of the 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 diagram of some embodiments of a cleaning component in the track inspection device of the present disclosure.

Description of the reference numerals

1. A chassis member; 11. a first beam; 12. a second beam; 13. a connecting rod; 2. a traveling member; 3. a track; 4. a photographing part; 5. an adjustment 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 brushing part; 73. a baffle plate; 731. a first plate; 732. a second plate; 733. a third plate; 734. a long round hole; 75. balancing weight; 76. fixing the rod; 77. an elastic element; 8. an ultrasonic detection part; 9. an alarm component; 10. a push rod; 11. a first beam; 12. a second beam; 14. a battery case; 15. a reinforcing beam; 20. a support; 30. a mobile terminal; 40. an illumination component; 50. a battery; 60. an impact protection component.

Detailed Description

The present disclosure is described in detail below. In the following paragraphs, different aspects of the embodiments are defined in more detail. Aspects so defined may be combined with any other aspect or aspects unless clearly indicated to the contrary. In particular, any feature considered to be preferred or advantageous may be combined with one or more other features considered to be preferred or advantageous.

The terms "first", "second", and the like in the present disclosure are merely for convenience of description to distinguish different constituent elements having the same name, and do not denote a sequential or primary-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 may be directly connected to the other element or may be indirectly connected to the other element with one or more intervening elements interposed therebetween. Hereinafter, like reference numerals denote like elements.

The description of the relative orientations and positional relationships of the indications "upper," "lower," "top," "bottom," "front," "back," "inner" and "outer" and the like are used in this disclosure for convenience in describing the disclosure, and do not indicate or imply that the indicated devices 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 disclosure. As shown in fig. 1, the "first direction" mentioned later is an extending direction of the track 3, i.e., a moving direction of the track inspection device, and is defined as an x direction; the "second direction" is a direction in which the two tracks 3 are arranged at intervals, the second direction is perpendicular to the first direction in a horizontal plane, and the second direction is defined as a y direction; the "third direction" is perpendicular to the plane in which the first direction and the second direction are located, 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 may be used for inspection of a track in a railway, a subway or a tunnel, and may implement automatic inspection.

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

Wherein the travelling unit 2 is configured to move the track inspection device on the two tracks 3 in the first direction x, and the two tracks 3 are arranged at intervals in the second direction y. The walking part 2 can realize walking by rolling, such as wheels, in fig. 1, the walking part 2 comprises four wheels, and each track 3 is matched with two wheels; alternatively, the chassis 2 can be moved by sliding, for example, by engaging the chassis 2 on the side of the rail 3.

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.

The detection assembly is provided to the chassis member 1 and is configured to detect a condition of the rail 3, including a state of the rail 3 itself and/or a condition of a space around the rail 3.

The utility model discloses a track inspection device of this embodiment, 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 unevenness appears in unilateral track 3 or there is the difference in height in both sides track 3, can force first roof beam 11 and/or second roof beam 12 can rotate with connecting rod 13 relatively under track 3's effect, thereby make chassis part 1's gesture can be according to the flexible ground self-adaptation adjustment of track 3 condition, guarantee walking part and track 3 reliable contact, make the walking of track inspection device on track 3 more steady, can improve the accuracy and the precision that the detection part detected. And, chassis part 1's simple structure, light in weight has realized the lightweight of track inspection device, convenient to use.

For example, when patrolling and examining railway rails, railway rails are difficult to reach higher precision, and the track of both sides is made or when laying the difference in height can appear in the inevitable, and after long-term the back of using, orbital wearing and tearing also can lead to the difference in height to appear in both sides track, and the phenomenon of connecting unsmooth also can appear in the joint position of two sections of tracks, consequently, the track inspection device of this disclosure can adapt to railway rails's parameter error better to reach higher detection accuracy, thereby replace artifical the detection.

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

By the structure, the chassis part 1 can be symmetrical relative to the connecting rod 13 in the second direction y, so that on one hand, the weight of the chassis part 1 can be uniformly distributed, and the track inspection device can run more stably; moreover, by positioning the connecting rod 13 at the middle position between the two rails 3, the adjustment structure on both sides of the chassis member 1 can be made symmetrical, and the adaptability to the two rails 3 can be kept consistent.

In some embodiments, the track inspection device further comprises a driving part, the traveling part 2 comprises a front wheel set and a rear wheel set, and the driving part is configured to power the front wheel set or the rear wheel set. This embodiment can make the operating speed of front wheelset and rear wheelset keep unanimous to make the track inspection device can walk on track 3 more stably. Preferably, the driving part is configured to power the front wheel set, so that the phenomenon that the front end of the chassis part 1 is lifted when the track inspection device is started can be prevented.

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 travel under an external force when the driving unit fails. For example, the track inspection device can be moved by an inspector pulling the push rod 10, and the push rod 10 is disposed at an angle with respect to the chassis member 1, and may be disposed vertically or inclined toward the advancing direction. Preferably, if the first beam 11 is disposed close to the advancing direction, the push rod 10 is disposed on the first beam 11, thereby more conveniently applying an external force to the push rod 10.

According to the embodiment, the inspection of the track 3 can be realized by using the detection part on the track inspection device under the condition that the automatic driving walking function fails, so that the inspection accuracy is still ensured on the premise that the inspection task is successfully completed.

As shown in fig. 1, the push rod 10 is rotatably disposed with respect to the first beam 11 or the second beam 12 so 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 rotatable coupling 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 a vertical plane in which the second direction y is located, in line with the length direction of the first beam 11 or the second beam 12 itself.

This embodiment can be under the condition of automatic drive walking malfunction, make the track inspection device walk through applying external action to push rod 10 and realize detecting, again can be under the automatic mode of patrolling and examining, retrace push rod 10 to reduce the height that push rod 10 occupy and the extra resistance that brings, for example, when patrolling and examining the track in railway track or the tunnel, probably meet great wind-force, withdraw push rod 10 and can reduce the rocking of track inspection device at the walking in-process, thereby improve and detect the accuracy.

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

This embodiment can make the push rod 10 in the open state when debugging the track inspection device to prevent the mobile terminal 30 on the support, so as to debug the track inspection device flexibly.

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 provided with the battery box 14 through the reinforcing beam 15; the battery 50 is disposed within the battery compartment 14. In order to make the weight distribution of the track inspection device in the second direction y uniform and make the stress on both sides uniform, the battery box 14 is arranged in the middle of the first beam 11 or the second beam 12 along the second direction y, and is reinforced by the reinforcing beams 15 on both sides, so that the rigidity of the connection between the battery box 14 and the chassis component 1 can be improved.

In some embodiments, the track inspection device further includes an illumination component 40 for providing illumination. This embodiment can be adapted to and patrol and examine the task darker at light, perhaps night.

The detection means will be explained below.

In some embodiments, as shown in fig. 1, the detection assembly includes two cameras 4 mounted on at least one of the first beam 11 and the second beam 12, both cameras 4 may be mounted on the first beam 11 or both cameras may be mounted on the second beam 12, or one camera 4 may be mounted on the first beam 11 and the other camera 4 may be mounted on the second beam 12. The respective illumination surfaces of the two photographing parts 4 are configured to illuminate 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, the controller may be disposed on the chassis component 1, for example, a single chip, a PLC, a DSP, etc., and may also be disposed in the control station, the controller wirelessly receives the image of the shooting component 4, and the controller is configured to compare the shot image with a pre-stored normal image, so as to identify the damage condition of the track 3 through a learning algorithm. The damage condition comprises diseases such as cracks, abrasion and the like.

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

This embodiment can adjust at least one in position and the gesture of shooting part 4 through setting up adjustment mechanism 5 in a flexible way to obtain the shooting angle of preferred, thereby obtain clear image, and then improve the accuracy to track 3 damage condition discernment. For example, for a particular track, adjustments may be made during commissioning and the position may be maintained during subsequent use.

In some embodiments, as shown in fig. 1, the adjustment mechanism 5 comprises: the first rod 51 and the second rod 52 are arranged such that a first end of the first rod 51 is rotatably connected to the first beam 11 or the second beam 12, a first end of the second rod 52 is rotatably connected to a second end of the first rod 51, and a second end of the second rod 52 is attached to the photographing part 4, in a plane perpendicular to the first direction x. In fig. 1, two first rods 51 are connected to the side of the second beam 12 facing the first beam 11, and the first rods 51 may have a length greater than that of the second rods 52.

In this embodiment, the first lever 51 mainly adjusts the height of the photographing part 4 and the photographing distance from the rail 3, and the second lever 52 mainly adjusts the photographing angle of the photographing part 4 while fine-adjusting the height thereof. Through the cooperation of first pole 51 and second pole 52, can obtain the shooting angle of preferred in a flexible way to obtain clear image, and then improve the accuracy of discerning the track 3 damage condition.

In some embodiments, as shown in fig. 1, the detection assembly comprises: and the track gauge detecting part 6 is arranged on the first beam 11 or the second beam 12 and is used for detecting the distance between the two tracks 3. The track gauge detecting part 6 includes first and second distance measuring sensors 61 and 62 provided at intervals in the second direction y, and is configured to detect distances from the rails 3 on the same side, respectively.

Wherein, the track gauge is the sum of the distance between the first distance measuring sensor 61 and the second distance measuring sensor 62 and the track 3 on the same side, and the distance between the first distance measuring sensor 61 and the second distance measuring sensor 62. To facilitate the detection and to improve the detection accuracy, the first beam 11 and the second beam 12 may be disposed along the second direction.

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

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

In an ideal case, the two first distance measuring sensors 61 are aligned and the two second distance measuring sensors 62 are also aligned, but in an actual traveling process, due to the difference in height between the two rails 3 or the presence of a curve in the rails 3, a positional deviation occurs between the two first distance measuring sensors 61 or between the two second distance measuring sensors 62, and the positional deviation includes a positional deviation along the second direction y and the third direction z. The controller is used for judging the alignment condition of the distance measuring sensor, so that the track gauge detection time can be judged, and the track gauge detection accuracy is improved.

In some embodiments, as shown in fig. 1, the detection assembly further comprises an ultrasonic detection unit 8, which may be provided on a side of the first beam 11 remote from the second beam 12, configured to detect the presence of an obstacle around the track 3. The controller can stop the track inspection device from walking when receiving a signal that the obstacles exist around the track, and then walk after the obstacles are cleared in time.

In some embodiments, the track inspection device further includes an impact prevention member 60, such as an impact strip, provided on an outer side surface of the first beam 11 and the second beam 12 near the advancing direction. Through setting up anticollision part 60, can reduce the impact force when the track inspection device lies in other object collisions, prevent receiving the damage.

In some embodiments, the track inspection device further comprises an alarm component 9, such as an audible and visual alarm, configured to alarm when the track inspection device itself fails or is subject to external interference. This embodiment can in time remind maintainer when track inspection device breaks down or receives external disturbance to carry out subsequent processing, in order to avoid track inspection device to stop for a long time and bring danger on the track.

In addition to 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 on the outer side of the chassis member 1 in the first direction x, and configured to clean the track 3.

This embodiment can sweep away debris, dust or corrosion etc. on 3 surfaces of track through cleaning component 7, makes track inspection device's walking more stable smooth and easy, prevents to meet great debris and takes place to overturn, can also improve the accuracy and the reliability that the track detected.

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

This embodiment can scrape debris on the track 3 through baffle 73 earlier, makes the running part 2 remove smoothly, prevents to take place to heeling or shake, and the rethread brushes portion 72 scrapes the dust, filth, iron rust etc. of track 3 upper surface, can further improve the stationarity that the running part 2 walked, improves track detection accuracy.

As shown in fig. 3, the baffle plate 73 is height-adjustably disposed with respect to the mounting bracket 71. If the baffle 73 is adjusted to a lower position, small sundries can be removed, but the impurities are difficult to pass through when encountering the irregularity on the track 3; if the baffle 73 is adjusted to a high position, the passage can be ensured to be smooth, and only large foreign matters can be removed. For the track 3 to be inspected, the baffle 73 can be adjusted to a proper height so as to remove more sundries on the basis of ensuring smooth passing.

As shown in fig. 3, the baffle 73 includes: the first plate 731 is vertically arranged and is installed on the outer side surface of the mounting rack 71 along the first direction x, and at least two oblong holes 734 can be arranged on the first plate 731 at intervals along the second direction y and are fixed with the mounting rack 71 through fasteners; a second plate 732, which is vertically disposed, is located at an outer side of the first plate 731 in the first direction x, and is inclined toward an outer side of the rail 3 with respect to a plane perpendicular to the first direction x; and a third plate 733 horizontally disposed and connected between a bottom of the first plate 731 and a top of the second plate 732, the third plate 733 having a triangular shape due to the second plate 732 being obliquely disposed.

In the traveling process of the track inspection device, the sundries on the track 3 can be removed to the outer side of the track 3 through the second plate 732, so that the inspection process is prevented from being influenced, and the influence on the traveling of the vehicle can be prevented.

As shown in fig. 3, the mount 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, the first mounting portion 711 may have a plate-shaped structure, and a triangular weight-reducing through groove is disposed in the middle 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 with the first mounting portion 711, for example, the second mounting portion 712 includes two side frames 7121 with L-shaped cross section and outward opening, one end of each of the two side frames is rotatably connected with the first mounting portion 711, the other end of each side frame is connected with the cross bar 7122, and the baffle 73 can be connected to the cross bar 7122.

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

Both ends of the elastic element 77 are respectively connected to the top end of the first mounting part 71 and the outer end of the second mounting part 71, and the elastic element 77 can be a spring; the brush part 72 is provided at the bottom of the second mounting part 71 and is also located at the bottom of the counterweight 75. In order to fix the elastic element 77, two ends of the top of the first mounting part 711 along the second direction y are respectively provided with a fixing rod 76, two sides of the second mounting part 712 along the second direction y are respectively extended with a fixing rod 76, and the end of the elastic element 77 is connected to the fixing rod 76.

In this embodiment, the sweeping part 72 can be in close contact with the rail 3 by the counterweight 75 to improve the sweeping effect; furthermore, since the second mounting part 712 is rotatably coupled with respect to the first mounting part 711, when the brush part 72 contacts a slightly raised portion of the track 3, the brush part 72 and the second mounting part 712 swing upward, and after passing through the raised portion, the brush part 72 returns to the original position, and during this process, the return of the brush part 72 is gentle due to the force of the elastic member 77, thereby preventing impact or damage to the track 3.

In some embodiments, the sweeper portion 72 includes a plurality of closely spaced wires. The sweeping part 72 can thoroughly remove dirt on the surface of the track 3, has good wear resistance and can prolong the service life.

The track inspection device can be designed into the forms of an inspection robot or an inspection vehicle and the like. When the track inspection device is used for inspecting a track with a specific length, the track inspection device can travel along the positive direction, and then reversely travel after the track inspection device finishes inspecting, and when the track inspection device reversely travels, the driving part can be directly reversed, and the track inspection device can also turn around. The inspection mode can be used for comparing the inspection results of two times so as to further improve the detection accuracy.

A track inspection device provided by the present disclosure is described in detail above. The principles and embodiments of the present disclosure are explained herein using specific examples, which are set forth only to help understand the method and its core ideas of the present disclosure. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present disclosure without departing from the principle of the present disclosure, and such improvements and modifications also fall within the scope of the claims of the present disclosure.

Claims

1. A track inspection device, comprising:

a traveling part (2) configured to move the track inspection device in a first direction (x) on two tracks (3), the two tracks (3) being arranged at intervals in 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), two ends of the connecting rod (13) are respectively connected with the first beam (11) and the second beam (12) and can be rotatably arranged relative to the first beam (11) and the second beam (12); and

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

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

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

4. The track inspection device according to claim 3, further including a controller configured to compare the captured images with pre-stored normal images to identify damage to the track (3).

5. The track inspection device according to claim 3, further including an adjustment mechanism (5), the camera 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 camera component (4).

6. The track inspection device according to claim 5, wherein 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 with 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 with a second end of the first lever (51), a second end of the second lever (52) being mounted with the photographing part (4).

7. The track inspection device according to claim 1, wherein the detection assembly includes: a track gauge detecting part (6) provided on the first beam (11) or the second beam (12), the track gauge detecting part (6) including first and second distance measuring sensors (61, 62) provided at intervals in the second direction (y) and configured to detect distances to the rails (3) on the same side, respectively;

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 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 track gauge detecting units (6) are provided in two sets, respectively provided on the first beam (11) and the second beam (12), and disposed at the same position in the second direction (y), the track gauge being configured to be obtained with the first ranging sensors (61) of the two sets of the track gauge detecting units (6) aligned and the second ranging sensors (62) aligned.

9. The track inspection device according to claim 1, wherein the detection assembly further includes an ultrasonic detection component (8) configured to detect the presence of obstacles around the track (3).

10. The track inspection apparatus according to claim 1, further including a cleaning member (7) provided at a position corresponding to the track (3) outside the chassis member (1) in the first direction (x) and configured to clean the track (3).

11. The track inspection device according to claim 10, wherein the sweeping component (7) includes:

a mounting (71) fixed to the first beam (11) or the second beam (12);

a brush unit (72) provided on the mounting frame (71) and configured to perform cleaning by contacting the rail (3); and

and a baffle plate (73) which is arranged on the mounting frame (71), is positioned on the outer side of the sweeping part (72) in the first direction (x), and is configured to remove sundries on the track (3) in advance.

12. The track inspection device according to claim 11, wherein the baffle (73) is height-adjustably disposed relative to the mounting bracket (71).

13. The track inspection device according to claim 11, wherein the baffle (73) includes:

a first plate (731) vertically arranged and mounted on 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 an outside of the rail (3) with respect to a plane perpendicular to the first direction (x); and

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

14. The track inspection device according to claim 11, wherein the mounting bracket (71) includes:

a first mounting part (711) fixed to the first beam (11) or the second beam (12);

a second mounting part (712) located outside the first mounting part (711) along the first direction (x) and forming an L-shaped structure with the first mounting part (711), wherein the second mounting part (712) is rotatably connected with the first mounting part (711);

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

an elastic element (77) having both ends connected to the top end of the first mounting portion (71) and the outer end of the second mounting portion (71), respectively;

wherein the sweeping part (72) is arranged at the bottom of the second mounting part (71).

15. The track inspection device according to claim 11, wherein the brush portion (72) includes a plurality of closely spaced wires.

16. The track inspection device according to claim 1, further including an anti-collision member (60) provided on an outer side surface of one of the first and second beams (11, 12) that is adjacent to a direction of travel of the track inspection device.

17. The track inspection device according to claim 1, further including an alarm component (9) configured to alarm when the track inspection device itself fails or is subject to external interference.

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

19. The track inspection device according to claim 18, further including a push rod (10) disposed 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.

20. The track inspection device according to claim 19, wherein the push rod (10) is rotatably disposed relative to the first beam (11) or the second beam (12) to fold the push rod (10) onto the first beam (11) or the second beam (12) to which the push rod (10) is mounted.

21. The track inspection device according to claim 19, wherein the push rod (10) has a cradle (20) at a top end thereof configured to receive a mobile terminal (30) during commissioning of the track inspection device.

22. The track inspection device according to claim 1, further comprising:

a battery case (14) fixed to the inside 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) on which the battery case (14) is mounted, through a reinforcing beam (15) in the second direction (y); and

a battery (50) disposed within the battery compartment (14).