Rail flaw detection car

Abstract

The utility model discloses a rail flaw detection car which comprises a base frame, a transmission mechanism, a first detection mechanism and a second detection mechanism, hubs corresponding to two guide rails are respectively arranged below two sides of the base frame, the transmission mechanism is arranged on the base frame, and the transmission mechanism is in communication connection with the first detection mechanism and the second detection mechanism; the first detection mechanism comprises a rail clamping piece, the rail clamping piece makes contact with the upper portion of the guide rail, the rail clamping piece is connected with a hub, a first camera and a first ultrasonic sensor are arranged on the rail clamping piece, and the first camera is used for obtaining a damage image of the upper guide rail; the second detection mechanism comprises a pickaxe, the pickaxe makes contact with the lower middle portion of the guide rail and is connected with the transmission mechanism, a second camera and a second ultrasonic sensor are arranged on the pickaxe, and the second camera is used for obtaining damage images of the lower middle portion of the guide rail. According to the utility model, by arranging the camera for acquiring the steel rail damage image, the detection efficiency of the steel rail flaw detection car is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rail damage detection equipment, in particular to a rail flaw detection vehicle. Background Art

[0002] Railway rails are the basic infrastructure of railway transportation and are directly related to the safety of railway trains. Once there are safety hazards such as cracks, wear, and deformation on the surface of the rails, it will have a serious impact on the safety of railway transportation. Regular flaw detection of railway rails can timely discover and deal with safety hazards of rails, effectively ensuring the safety of railway transportation.

[0003] At present, the rail flaw detection vehicle mainly adopts ultrasonic flaw detection technology. Ultrasonic flaw detection uses the propagation characteristics of ultrasonic waves in the medium. It emits ultrasonic waves and receives their reflected echoes to detect defects and damage inside the rails. However, there are some defects on the surface of the rails, such as oxide scale, grain size, etc. These will interfere with the propagation and reflection of ultrasonic signals and affect the detection results of ultrasonic flaw detection. The flaw detection efficiency of the rails is low.

[0004] The above contents are only used to assist in understanding the technical solution of the present utility model and do not constitute an admission that the above contents are prior art. Utility Model Content

[0005] The main purpose of the utility model is to solve the technical problem of low efficiency of a rail flaw detection vehicle.

[0006] To achieve the above-mentioned purpose, the utility model provides a rail flaw detection vehicle, which includes a base frame, a transmission mechanism, a first detection mechanism and a second detection mechanism. Wheel hubs corresponding to two guide rails are respectively installed under both sides of the base frame. The transmission mechanism is installed on the base frame, and the transmission mechanism is communicatively connected with the first detection mechanism and the second detection mechanism.

[0007] The first detection mechanism includes a rail baffle, the rail baffle is in contact with the upper side of the guide rail, the rail baffle is connected to the wheel hub, a first camera and a first ultrasonic sensor are arranged on the rail baffle, and the first camera is used to obtain a damage image of the upper guide rail;

[0008] The second detection mechanism includes a pick head, which contacts the middle and lower part of the guide rail and is fixed under the transmission mechanism. A second camera and a second ultrasonic sensor are arranged on the pick head, and the second camera is used to obtain a damage image of the middle and lower guide rail.

[0009] In one embodiment, the transmission mechanism includes a central processing unit and an antenna, and the transmission mechanism is installed on a mounting base, and the mounting base is installed on the base frame through a connecting frame.

[0010] In one embodiment, the central processing unit is disposed in a housing.

[0011] In one of the embodiments, the rail flaw detection vehicle further includes a battery, which is mounted on the mounting seat and is used to power the rail flaw detection vehicle.

[0012] In one of the embodiments, the rail flaw detection vehicle further includes a rail washing brush, which surrounds the guide rail and is arranged at one end of the forward direction of the rail flaw detection vehicle.

[0013] In one of the embodiments, the second detection mechanism includes a plurality of pickaxe heads, which are respectively arranged on both sides of the guide rail, and the pickaxe heads are fixed under the transmission mechanism through steel cylinders.

[0014] In one of the embodiments, a buffer pad is provided between the steel cylinder and the transmission mechanism.

[0015] In one of the embodiments, two hubs are respectively mounted on two sides of the base frame, and one side of each hub is connected to a set of rail members.

[0016] In one of the embodiments, the first camera and the first ultrasonic sensor are arranged on a side of the rail-binding member facing the guide rail, and the first ultrasonic sensor is in contact with the guide rail.

[0017] In one embodiment, an electric motor is disposed in the wheel hub.

[0018] The utility model is provided with a camera for acquiring images of rail damage, and detects rail damage together with an ultrasonic sensor. When the ultrasonic detection is affected by the surface defects of the rail, the damage of the rail can be quickly detected by the camera, thereby reducing the influence of the surface defects of the rail on the detection, making the flaw detection result of the rail more accurate and improving the detection efficiency of the rail flaw detection vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 This is a schematic diagram of the installation of a rail flaw detection vehicle in one embodiment of the utility model;

[0021] Figure 2 This is a schematic diagram of the assembly of a rail flaw detection vehicle in one embodiment of the utility model;

[0022] Figure 3 This is a schematic structural diagram of a rail clamp in one embodiment of the utility model;

[0023] Figure 4 This is a schematic diagram of the structure of a pickaxe head in one embodiment of the utility model;

[0024] Description of main component symbols:

[0025] 1-guide rail; 2-base frame; 3-wheel hub; 4-rail clamp; 5-first camera; 6-first ultrasonic sensor; 7-pick head; 8-second camera; 9-second ultrasonic sensor; 10-central processing unit; 11-antenna; 12-mounting seat; 13-connecting frame; 14-battery; 15-track brush; 16-steel cylinder; 17-buffer pad; 18-push rod; 19-adjustment rod. DETAILED DESCRIPTION

[0026] In order to better understand the above technical solution, exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0027] It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0028] It should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the coordinate system shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0029] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0031] The utility model provides a rail flaw detection vehicle, referring to Figure 1 and Figure 2 In one embodiment, the rail flaw detection vehicle includes a base frame 2, a transmission mechanism, a first detection mechanism, and a second detection mechanism. Wheel hubs 3 corresponding to two guide rails 1 are respectively installed under both sides of the base frame 2. The transmission mechanism is installed on the base frame 2, and the transmission mechanism is communicatively connected with the first detection mechanism and the second detection mechanism.

[0032] The first detection mechanism includes a rail member 4, the rail member 4 is in contact with the upper side of the guide rail 1, the rail member 4 is connected to the wheel hub 3, and a first camera 5 and a first ultrasonic sensor 6 are provided on the rail member 4, and the first camera 5 is used to obtain a damage image of the upper guide rail 1;

[0033] The second detection mechanism includes a pick head 7, which contacts the middle and lower part of the guide rail 1. The pick head 7 is fixed under the transmission mechanism. A second camera 8 and a second ultrasonic sensor 9 are provided on the pick head 7. The second camera 8 is used to obtain a damage image of the middle and lower guide rail 1.

[0034] The first ultrasonic sensor 6 and the second ultrasonic sensor 9 include ultrasonic radar ranging sensors. It should be understood that, during operation, the first camera 5 shoots the upper rail 1 to obtain an image of the upper rail 1, and then uses image recognition technology to identify the image of the upper rail 1 to obtain a damaged image of the upper rail 1. At the same time, the first ultrasonic sensor 6 monitors the distance to the upper rail 1 in real time to determine whether the upper rail 1 is deformed.

[0035] When the first camera 5 detects a damaged image of the upper guide rail 1, the first ultrasonic sensor 6 detects the distance to the upper guide rail 1 in real time and transmits it together with the damaged image to the maintenance personnel through the transmission mechanism; when the first ultrasonic sensor 6 detects deformation of the upper guide rail 1, the image of the upper guide rail 1 obtained by the first camera 5 is transmitted to the maintenance personnel together with the detected deformation through the transmission mechanism.

[0036] While the first camera 5 and the first ultrasonic sensor 6 are operating, the second camera 8 shoots the middle and lower guide rail 1 to obtain an image of the middle and lower guide rail 1, and then uses image recognition technology to identify the image of the middle and lower guide rail 1 to obtain a damaged image of the middle and lower guide rail 1. At the same time, the second ultrasonic sensor 9 monitors the distance of the middle and lower guide rail 1 in real time to determine whether the middle and lower guide rail 1 is deformed.

[0037] When the second camera 8 detects a damaged image of the lower-middle guide rail 1, the second ultrasonic sensor 9 detects the distance to the lower-middle guide rail 1 in real time and transmits it together with the damaged image to the maintenance personnel through the transmission mechanism; when the second ultrasonic sensor 9 detects deformation of the lower-middle guide rail 1, the image of the lower-middle guide rail 1 obtained by the second camera 8 is transmitted to the maintenance personnel together with the detected deformation through the transmission mechanism.

[0038] Among them, image recognition technology and ultrasonic radar ranging sensor deformation detection are existing technologies. For existing image recognition technology, reference can be made to the rail crack detection algorithm based on convolutional neural network mentioned in the article "Research on Rail Crack Detection Algorithm Based on Convolutional Neural Network", the rail damage recognition algorithm mentioned in the article "Rail Damage Image Recognition Based on Improved Convolutional Neural Network", the rail damage image analysis method and device with publication number CN117689618A, and the rail damage image analysis method in the heavy-duty rail track inspection vehicle.

[0039] In this embodiment, a camera for acquiring images of rail damage is provided in combination with an ultrasonic radar ranging sensor to detect rail damage. When ultrasonic detection is affected by rail surface defects, the rail damage can be quickly detected by the camera, thereby reducing the impact of rail surface damage on detection, making the rail flaw detection results more accurate, and improving the detection efficiency of the rail flaw detection vehicle.

[0040] In one embodiment, referring to Figure 1 and Figure 2 The transmission mechanism includes a central processing unit 10 and an antenna 11. The transmission mechanism is installed on a mounting seat 12, and the mounting seat 12 is installed on the base frame 2 through a connecting frame 13.

[0041] The central processing unit 10 (i.e., CPU) can be any processor / microprocessor in the prior art; the central processing unit 10 can identify the rail images captured by the first camera 5 and the second camera 8 to obtain the damaged images of the rails, and the antenna 11 transmits the damaged signals of the rails to the maintenance personnel. The identification method is as described in the above embodiment and will not be described in detail here. It should be noted that in this embodiment, Figure 1 and Figure 2 As shown, transmission mechanisms corresponding to the guide rails 1 are respectively provided on both sides of the rail flaw detection vehicle, and the transmission mechanism on each side processes and transmits the damage information of the guide rails 1 on the corresponding side. In other embodiments, only one transmission mechanism may be provided for processing and transmitting all damage information on the rails, and the transmission mechanism is provided above the base frame 2; or a transmission mechanism may be provided for each rail clamp 4 and pick head 7, which is not limited here.

[0042] Specifically, the rail flaw detection vehicle includes a base frame 2, a transmission mechanism, a first detection mechanism and a second detection mechanism. Wheel hubs 3 corresponding to two guide rails 1 are respectively installed on both sides of the base frame 2. The transmission mechanism is installed on the base frame 2, and the transmission mechanism is communicatively connected with the first detection mechanism and the second detection mechanism; the first detection mechanism includes a rail clamp 4, the rail clamp 4 is in contact with the upper part of the guide rail 1, the rail clamp 4 is connected to the wheel hub 3, and a first camera 5 and a first ultrasonic sensor 6 are arranged on the rail clamp 4, and the first camera 5 is used to obtain a damage image of the upper guide rail 1; the second detection mechanism includes a pick head 7, the pick head 7 is in contact with the middle and lower part of the guide rail 1, the pick head 7 is fixed under the transmission mechanism, and a second camera 8 and a second ultrasonic sensor 9 are arranged on the pick head 7, and the second camera 8 is used to obtain a damage image of the middle and lower guide rail 1. The transmission mechanism includes a central processing unit 10 and an antenna 11, and the transmission mechanism is installed on a mounting seat 12, and the mounting seat 12 is installed on the base frame 2 through a connecting frame 13.

[0043] In one embodiment, referring to Figure 1 and Figure 2 , the central processing unit 10 is arranged in the shell.

[0044] Among them, refer to Figure 1 and Figure 2The shell is a cube-like shape and is placed at the center of the base frame 2. In other embodiments, it can also be set to other shapes.

[0045] Specifically, the rail flaw detection vehicle includes a base frame 2, a transmission mechanism, a first detection mechanism and a second detection mechanism. Wheel hubs 3 corresponding to two guide rails 1 are respectively installed on both sides of the base frame 2. The transmission mechanism is installed on the base frame 2, and the transmission mechanism is communicatively connected with the first detection mechanism and the second detection mechanism; the first detection mechanism includes a rail card 4, the rail card 4 is in contact with the upper part of the guide rail 1, the rail card 4 is connected to the wheel hub 3, and a first camera 5 and a first ultrasonic sensor 6 are arranged on the rail card 4, and the first camera 5 is used to obtain a damage image of the upper guide rail 1; the second detection mechanism includes a pick head 7, the pick head 7 is in contact with the middle and lower part of the guide rail 1, the pick head 7 is fixed under the transmission mechanism, and a second camera 8 and a second ultrasonic sensor 9 are arranged on the pick head 7, and the second camera 8 is used to obtain a damage image of the middle and lower guide rail 1. The transmission mechanism includes a central processing unit 10 and an antenna 11, and the transmission mechanism is installed on a mounting seat 12, and the mounting seat 12 is installed on the base frame 2 through a connecting frame 13, and the central processing unit 10 is arranged in a shell.

[0046] In this embodiment, by arranging the central processing unit 10 in the housing, the central processing unit 10 has a waterproof function, thereby enriching the use scenarios of the rail flaw detection vehicle.

[0047] In one embodiment, referring to Figure 1 and Figure 2 The rail flaw detection vehicle also includes a battery 14, which is mounted on the mounting seat 12, and the battery 14 is used to power the rail flaw detection vehicle.

[0048] Among them, refer to Figure 1 and Figure 2 Two batteries 14 are arranged on each mounting seat 12. In practice, different numbers of batteries 14 can be arranged according to needs to power the rail flaw detection vehicle. The batteries 14 can be disposable batteries 14 for easy replacement, or rechargeable recyclable batteries 14 can be selected, which are more environmentally friendly.

[0049] Specifically, the rail flaw detection vehicle includes a base frame 2, a transmission mechanism, a first detection mechanism and a second detection mechanism. Wheel hubs 3 corresponding to two guide rails 1 are respectively installed on both sides of the base frame 2. The transmission mechanism is installed on the base frame 2, and the transmission mechanism is communicatively connected with the first detection mechanism and the second detection mechanism; the first detection mechanism includes a rail clamp 4, the rail clamp 4 contacts the upper part of the guide rail 1, the rail clamp 4 is connected to the wheel hub 3, and a first camera 5 and a first ultrasonic sensor 6 are arranged on the rail clamp 4, and the first camera 5 is used to obtain a damage image of the upper guide rail 1; the second detection mechanism includes a pick head 7, the pick head 7 contacts the middle and lower part of the guide rail 1, the pick head 7 is fixed under the transmission mechanism, and a second camera 8 and a second ultrasonic sensor 9 are arranged on the pick head 7, and the second camera 8 is used to obtain a damage image of the middle and lower guide rail 1. The rail flaw detection vehicle also includes a battery 14, and the battery 14 is installed on the mounting seat 12, and the battery 14 is used to power the rail flaw detection vehicle.

[0050] In one of the embodiments, the rail flaw detection vehicle further includes a rail washing brush 15, and the rail washing brush 15 surrounds the guide rail 1, and the rail washing brush 15 is arranged at one end of the forward direction of the rail flaw detection vehicle.

[0051] Among them, refer to Figure 1 and Figure 2 The rail washing brush 15 is provided with three built-in brush heads, corresponding to the exposed upper surface and left and right surfaces of the guide rail 1 respectively.

[0052] Specifically, the rail flaw detection vehicle includes a base frame 2, a transmission mechanism, a first detection mechanism and a second detection mechanism. Wheel hubs 3 corresponding to two guide rails 1 are respectively installed on both sides of the base frame 2. The transmission mechanism is installed on the base frame 2, and the transmission mechanism is communicatively connected with the first detection mechanism and the second detection mechanism; the first detection mechanism includes a rail clamp 4, the rail clamp 4 contacts the upper part of the guide rail 1, the rail clamp 4 is connected to the wheel hub 3, and a first camera 5 and a first ultrasonic sensor 6 are arranged on the rail clamp 4, and the first camera 5 is used to obtain a damage image of the upper guide rail 1; the second detection mechanism includes a pick head 7, the pick head 7 contacts the middle and lower part of the guide rail 1, the pick head 7 is fixed under the transmission mechanism, and a second camera 8 and a second ultrasonic sensor 9 are arranged on the pick head 7, and the second camera 8 is used to obtain a damage image of the middle and lower guide rail 1. The rail flaw detection vehicle also includes a rail washing brush 15, the rail washing brush 15 surrounds the guide rail 1, and the rail washing brush 15 is arranged at one end of the forward direction of the rail flaw detection vehicle.

[0053] In this embodiment, a rail cleaning brush 15 is provided to clean dust on the rails, so that the rail flaw detection vehicle can detect more conveniently.

[0054] In one embodiment, referring to Figure 1 and Figure 2 The rail flaw detection vehicle further includes a rail washing brush 15, which surrounds the guide rail 1, and the rail washing brush 15 is arranged at both ends of the rail flaw detection vehicle guide rail 1.

[0055] Among them, refer to Figure 1 and Figure 2 The rail washing brushes 15 are arranged at both ends of the rail flaw detection vehicle guide rail 1 direction.

[0056] Specifically, the rail flaw detection vehicle includes a base frame 2, a transmission mechanism, a first detection mechanism and a second detection mechanism. Wheel hubs 3 corresponding to two guide rails 1 are respectively installed on both sides of the base frame 2. The transmission mechanism is installed on the base frame 2, and the transmission mechanism is communicatively connected with the first detection mechanism and the second detection mechanism; the first detection mechanism includes a rail clamp 4, the rail clamp 4 contacts the upper part of the guide rail 1, the rail clamp 4 is connected to the wheel hub 3, and a first camera 5 and a first ultrasonic sensor 6 are arranged on the rail clamp 4, and the first camera 5 is used to obtain a damage image of the upper guide rail 1; the second detection mechanism includes a pick head 7, the pick head 7 contacts the middle and lower part of the guide rail 1, the pick head 7 is fixed under the transmission mechanism, and a second camera 8 and a second ultrasonic sensor 9 are arranged on the pick head 7, and the second camera 8 is used to obtain a damage image of the middle and lower guide rail 1. The rail flaw detection vehicle also includes a rail washing brush 15, the rail washing brush 15 surrounds the guide rail 1, and the rail washing brush 15 is arranged at both ends of the guide rail 1 direction of the rail flaw detection vehicle.

[0057] In this embodiment, by arranging the rail washing brushes 15 at both ends of the rail flaw detection vehicle in the direction of the guide rail 1, the rail flaw detection vehicle is more convenient to use, and detection can be performed from any direction of the guide rail 1.

[0058] In one embodiment, referring to Figure 1 and Figure 2 The second detection mechanism includes a plurality of pickaxes 7, which are respectively arranged on both sides of the guide rail 1, and the pickaxes 7 are fixed under the transmission mechanism through a steel cylinder 16.

[0059] Among them, in this embodiment, refer to Figure 1 and Figure 2 The rail flaw detection vehicle is provided with four picks 7 on both sides of the corresponding guide rail 1, wherein two picks 7 form a group and are respectively provided on the left and right sides of the guide rail 1, and correspondingly, other numbers of picks 7 may also be provided in other embodiments.

[0060] Specifically, the rail flaw detection vehicle includes a base frame 2, a transmission mechanism, a first detection mechanism and a second detection mechanism. Wheel hubs 3 corresponding to two guide rails 1 are respectively installed on both sides of the base frame 2. The transmission mechanism is installed on the base frame 2, and the transmission mechanism is communicatively connected with the first detection mechanism and the second detection mechanism; the first detection mechanism includes a rail clamp 4, the rail clamp 4 is in contact with the upper part of the guide rail 1, the rail clamp 4 is connected to the wheel hub 3, and a first camera 5 and a first ultrasonic sensor 6 are arranged on the rail clamp 4, and the first camera 5 is used to obtain a damage image of the upper guide rail 1; the second detection mechanism includes a pick head 7, the pick head 7 is in contact with the middle and lower part of the guide rail 1, the pick head 7 is fixed under the transmission mechanism, and a second camera 8 and a second ultrasonic sensor 9 are arranged on the pick head 7, and the second camera 8 is used to obtain a damage image of the middle and lower guide rail 1. The second detection mechanism includes a plurality of pick heads 7, and the plurality of pick heads 7 are respectively arranged on both sides of the guide rail 1, and the pick head 7 is fixed under the transmission mechanism through a steel cylinder 16.

[0061] In this embodiment, a plurality of picks 7 are provided to detect the middle and lower part of the guide rail 1, so that the detection of the rail flaw detection vehicle is more comprehensive.

[0062] In one embodiment, referring to Figure 1 and Figure 2 A buffer pad 17 is provided between the steel cylinder 16 and the transmission mechanism.

[0063] Specifically, the rail flaw detection vehicle includes a base frame 2, a transmission mechanism, a first detection mechanism and a second detection mechanism. Wheel hubs 3 corresponding to two guide rails 1 are respectively installed on both sides of the base frame 2. The transmission mechanism is installed on the base frame 2. The transmission mechanism is communicatively connected with the first detection mechanism and the second detection mechanism; the first detection mechanism includes a rail clamp 4, the rail clamp 4 is in contact with the upper side of the guide rail 1, the rail clamp 4 is connected with the wheel hub 3, and the rail clamp 4 is provided with a first camera 5 and a first ultrasonic sensor 6. The first camera 5 is used to obtain Take the damaged image of the upper guide rail 1; the second detection mechanism includes a pick head 7, the pick head 7 is in contact with the middle and lower part of the guide rail 1, the pick head 7 is fixed under the transmission mechanism, the pick head 7 is provided with a second camera 8 and a second ultrasonic sensor 9, the second camera 8 is used to obtain the damaged image of the middle and lower guide rail 1, the second detection mechanism includes a plurality of pick heads 7, the plurality of pick heads 7 are respectively arranged on both sides of the guide rail 1, the pick head 7 is fixed under the transmission mechanism through a steel cylinder 16, and a buffer pad 17 is provided between the steel cylinder 16 and the transmission mechanism.

[0064] In this embodiment, the buffer pad 17 is provided to improve the shock absorption of the rail flaw detection vehicle.

[0065] In one embodiment, referring to Figure 1 and Figure 2 Two hubs 3 are respectively mounted on both sides of the base frame 2, and a set of rail members 4 are connected to one side of each hub 3.

[0066] Among them, refer to Figure 1 and Figure 2 , two rail members 4 form a group, and the two rail members 4 are cross-fixed by a joint and arranged on the upper guide rail 1; each group of rail members 4 is arranged on the side of the hub 3 away from the other hub 3 on the same side. In other embodiments, each group of rail members 4 can also be arranged on the side of the hub 3 close to the other hub 3 on the same side, or each group of rail members 4 can also be arranged on the same side of the hub 3.

[0067] Specifically, the rail flaw detection vehicle includes a base frame 2, a transmission mechanism, a first detection mechanism and a second detection mechanism. Wheel hubs 3 corresponding to the two guide rails 1 are respectively installed on both sides of the base frame 2. The transmission mechanism is installed on the base frame 2, and the transmission mechanism is communicatively connected with the first detection mechanism and the second detection mechanism; the first detection mechanism includes a rail clamp 4, the rail clamp 4 is in contact with the upper part of the guide rail 1, the rail clamp 4 is connected to the wheel hub 3, and a first camera 5 and a first ultrasonic sensor 6 are arranged on the rail clamp 4, and the first camera 5 is used to obtain a damage image of the upper guide rail 1; the second detection mechanism includes a pick head 7, the pick head 7 is in contact with the middle and lower part of the guide rail 1, the pick head 7 is fixed under the transmission mechanism, and a second camera 8 and a second ultrasonic sensor 9 are arranged on the pick head 7, and the second camera 8 is used to obtain a damage image of the middle and lower guide rail 1. Two wheel hubs 3 are respectively installed on both sides of the base frame 2, and a group of rail clamps 4 are connected to one side of each wheel hub 3.

[0068] In this embodiment, multiple sets of rail clamps 4 are provided to detect the upper side of the guide rail 1, so that the detection of the rail flaw detection vehicle is more comprehensive.

[0069] In one embodiment, referring to Figure 3 The first camera 5 and the first ultrasonic sensor 6 are arranged on the side of the rail member 4 facing the guide rail 1, and the first ultrasonic sensor 6 is in contact with the guide rail 1.

[0070] Wherein, the first camera 5 is provided with a plurality of Figure 3 As shown, each rail member 4 is provided with two first cameras 5 , and other numbers of first cameras 5 may also be provided in other embodiments.

[0071] Specifically, the rail flaw detection vehicle includes a base frame 2, a transmission mechanism, a first detection mechanism and a second detection mechanism. Wheel hubs 3 corresponding to two guide rails 1 are respectively installed on both sides of the base frame 2. The transmission mechanism is installed on the base frame 2, and the transmission mechanism is communicatively connected with the first detection mechanism and the second detection mechanism; the first detection mechanism includes a rail clamp 4, the rail clamp 4 is in contact with the upper part of the guide rail 1, the rail clamp 4 is connected to the wheel hub 3, and a first camera 5 and a first ultrasonic sensor 6 are arranged on the rail clamp 4, and the first camera 5 is used to obtain a damage image of the upper guide rail 1; the second detection mechanism includes a pick head 7, the pick head 7 is in contact with the middle and lower part of the guide rail 1, the pick head 7 is fixed under the transmission mechanism, and a second camera 8 and a second ultrasonic sensor 9 are arranged on the pick head 7, and the second camera 8 is used to obtain a damage image of the middle and lower guide rail 1. The first camera 5 and the first ultrasonic sensor 6 are arranged on the side of the rail clamp 4 facing the guide rail 1, and the first ultrasonic sensor 6 is in contact with the guide rail 1.

[0072] In one embodiment, an electric motor is disposed in the wheel hub 3 .

[0073] The electric motor is responsible for rotating the wheel hub 3 to enable the rail flaw detection vehicle to operate.

[0074] Specifically, the rail flaw detection vehicle includes a base frame 2, a transmission mechanism, a first detection mechanism and a second detection mechanism. Wheel hubs 3 corresponding to two guide rails 1 are respectively installed on both sides of the base frame 2. The transmission mechanism is installed on the base frame 2, and the transmission mechanism is communicatively connected with the first detection mechanism and the second detection mechanism; the first detection mechanism includes a rail clamp 4, which contacts the upper part of the guide rail 1 and is connected to the wheel hub 3. A first camera 5 and a first ultrasonic sensor 6 are arranged on the rail clamp 4, and the first camera 5 is used to obtain a damage image of the upper guide rail 1; the second detection mechanism includes a pick head 7, which contacts the middle and lower part of the guide rail 1 and is fixed under the transmission mechanism. A second camera 8 and a second ultrasonic sensor 9 are arranged on the pick head 7, and the second camera 8 is used to obtain a damage image of the middle and lower guide rail 1. An electric motor is arranged in the wheel hub 3.

[0075] In one embodiment, referring to Figure 4 The second camera 8 and the second ultrasonic sensor 9 are arranged on the side of the pick head 7 facing the guide rail 1, and the second ultrasonic sensor 9 is in contact with the guide rail 1.

[0076] Wherein, the second camera 8 is provided with a plurality of Figure 4As shown, each pickaxe head 7 is provided with 6 second cameras 8 , and other numbers of second cameras 8 may also be provided in other embodiments.

[0077] Specifically, the rail flaw detection vehicle includes a base frame 2, a transmission mechanism, a first detection mechanism and a second detection mechanism. Wheel hubs 3 corresponding to two guide rails 1 are respectively installed on both sides of the base frame 2. The transmission mechanism is installed on the base frame 2, and the transmission mechanism is communicatively connected with the first detection mechanism and the second detection mechanism; the first detection mechanism includes a rail clamp 4, which contacts the upper part of the guide rail 1 and is connected to the wheel hub 3. A first camera 5 and a first ultrasonic sensor 6 are arranged on the rail clamp 4, and the first camera 5 is used to obtain a damage image of the upper guide rail 1; the second detection mechanism includes a pick head 7, which contacts the middle and lower part of the guide rail 1 and is fixed under the transmission mechanism. A second camera 8 and a second ultrasonic sensor 9 are arranged on the pick head 7, and the second camera 8 is used to obtain a damage image of the middle and lower guide rail 1.

[0078] In this embodiment, a plurality of second cameras 8 are provided to perform a more comprehensive inspection on the guide rail 1 .

[0079] In one of the embodiments, the upper guide rail 1 detection device includes a plurality of guide rail members 4, two guide rail members 4 form a group and cross each other, and a group of the guide rail members 4 is fixed to one side of the hub 3 in the direction of the guide rail 1 by a supporting frame.

[0080] Specifically, the rail flaw detection vehicle includes a base frame 2, a transmission mechanism, a first detection mechanism and a second detection mechanism. Wheel hubs 3 corresponding to two guide rails 1 are respectively installed on both sides of the base frame 2. The transmission mechanism is installed on the base frame 2, and the transmission mechanism is communicatively connected with the first detection mechanism and the second detection mechanism; the first detection mechanism includes a rail clamp 4, the rail clamp 4 contacts the upper part of the guide rail 1, the rail clamp 4 is connected to the wheel hub 3, and a first camera 5 and a first ultrasonic sensor 6 are arranged on the rail clamp 4, and the first camera 5 is used to obtain a damage image of the upper guide rail 1; the second detection mechanism includes a pick head 7, the pick head 7 contacts the middle and lower part of the guide rail 1, the pick head 7 is fixed under the transmission mechanism, and a second camera 8 and a second ultrasonic sensor 9 are arranged on the pick head 7, and the second camera 8 is used to obtain a damage image of the middle and lower guide rail 1; the upper guide rail 1 detection device includes a plurality of rail clamps 4, two rail clamps 4 are a group and cross, and a group of rail clamps 4 is fixed to one side of the wheel hub 3 guide rail 1 direction through a supporting frame.

[0081] In this embodiment, a plurality of picks 7 are provided to detect the middle and lower part of the guide rail 1, so that the detection of the rail flaw detection vehicle is more comprehensive.

[0082] In one embodiment, referring to Figure 1 and Figure 2 The connecting frame 13 is provided with a slide rail perpendicular to the guide rail 1 , and the mounting seat 12 is installed in the slide rail and its position is adjusted by a push rod 18 .

[0083] The push rod 18 can be a manual push rod 18 or an electric push rod 18 , and the detection position of the second detection mechanism can be adjusted by controlling the height of the mounting seat 12 .

[0084] In this embodiment, the height of the second detection mechanism is adjusted by providing a slide rail and a push rod 18 so that the second detection mechanism can perform detection at the target position of the rail, so that the second detection mechanism can adapt to rails of various sizes.

[0085] In one embodiment, referring to Figure 1 and Figure 2 The first detection mechanism also includes an adjusting rod 19, and the adjusting rod 19 is connected to the rail member 4 through a stretching frame.

[0086] Wherein, the adjusting rod 19 can move up and down. When the adjusting rod 19 moves upward, the angle between the two cross-connected rail members 4 facing the guide rail 1 becomes smaller; when the adjusting rod 19 moves downward, the angle between the two cross-connected rail members 4 facing the guide rail 1 becomes larger.

[0087] In this embodiment, the adjusting rod 19 is provided to control the rail clamp 4 so that the first detection mechanism can adapt to rails of various sizes and dimensions.

[0088] The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A rail flaw detection vehicle, characterized in that: The rail flaw detection vehicle comprises a base frame, a transmission mechanism, a first detection mechanism and a second detection mechanism, wherein wheel hubs corresponding to two guide rails are respectively mounted under both sides of the base frame, the transmission mechanism is mounted on the base frame, and the transmission mechanism is respectively connected to the first detection mechanism and the second detection mechanism for communication; The first detection mechanism includes a rail baffle, the rail baffle is in contact with the upper side of the guide rail, the rail baffle is connected to the wheel hub, a first camera and a first ultrasonic sensor are arranged on the rail baffle, and the first camera is used to obtain a damage image of the upper guide rail; The second detection mechanism includes a pick head, which contacts the middle and lower part of the guide rail and is fixed under the transmission mechanism. A second camera and a second ultrasonic sensor are arranged on the pick head, and the second camera is used to obtain a damage image of the middle and lower guide rail.

2. The rail flaw detection vehicle according to claim 1, characterized in that: The transmission mechanism comprises a central processing unit and an antenna. The transmission mechanism is installed on a mounting seat, and the mounting seat is installed on the base frame through a connecting frame.

3. The rail flaw detection vehicle according to claim 2, characterized in that: The central processing unit is arranged in the housing.

4. The rail flaw detection vehicle according to claim 2, characterized in that: The rail flaw detection vehicle also includes a battery, which is mounted on the mounting seat and is used to supply power to the rail flaw detection vehicle.

5. The rail flaw detection vehicle according to claim 1, characterized in that: The rail flaw detection vehicle further comprises a rail washing brush, which surrounds the guide rail and is arranged at one end of the rail flaw detection vehicle in the forward direction.

6. The rail flaw detection vehicle according to claim 1, characterized in that: The second detection mechanism includes a plurality of pickaxe heads, which are respectively arranged on both sides of the guide rail, and the pickaxe heads are fixed under the transmission mechanism through steel cylinders.

7. The rail flaw detection vehicle according to claim 6, characterized in that: A buffer pad is arranged between the steel cylinder and the transmission mechanism.

8. The rail flaw detection vehicle according to claim 1, characterized in that: Two hubs are respectively arranged on both sides of the base frame, and one side of each hub is connected with a group of rail members.

9. The rail flaw detection vehicle according to claim 1, characterized in that: The first camera and the first ultrasonic sensor are arranged on a side of the rail-binding component facing the guide rail, and the first ultrasonic sensor is in contact with the guide rail.

10. The rail flaw detection vehicle according to claim 1, characterized in that: An electric motor is arranged in the wheel hub.

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