Basic wireless control fastener elastic strip surface crack detection device

Abstract

The utility model discloses a basically wirelessly-controlled fastener elastic strip surface crack detection device which comprises a detection beam body, a high-definition industrial camera, a displacement laser sensor, a control circuit board, a tablet computer and a power supply battery, two high-definition industrial cameras are respectively mounted on two sides of the detection beam body, and the two high-definition industrial cameras on each side are respectively positioned right above fastener elastic strip bolts on two sides of a corresponding steel rail; a displacement laser sensor is installed on one side of the detection beam body, the displacement laser sensor is installed in the detection beam body and located on the inner side of a steel rail and over a sleeper area, and the displacement laser sensor and the high-definition industrial camera are connected with a control circuit board; and the tablet computer is wirelessly connected with the high-definition industrial camera and the control circuit board. According to the utility model, a speed sensor is not needed, the displacement laser sensor with lower cost is directly used to realize positioning photographing and detected sleeper counting to complete mileage position positioning work, and the requirement of field application disease positioning is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to rail transit technical field, in particular to a fastener elastic strip surface crack detection device of basic wireless control. BACKGROUND

[0002] Rail fastener system is the key component of rail structure, which plays an important role in relieving train dynamic load and keeping the connection between steel rail and sleeper. It is mainly composed of bolts, nuts, flat washers, elastic strips, insulating blocks, iron pads, insulating buffer pads, track underlay, anchor bolts, heavy spring washers, flat pad blocks, etc. The main performance of fastener failure is fastener loss, elastic strip fracture, fastening bolt loosening, elastic strip elastic failure, etc. Among them, the elastic strip provides the required clamping pressure for the normal operation of the fastener, but under the long-term cyclic dynamic load of the train, the elastic strip will produce fatigue fracture, thus causing the failure of the fastener system and threatening the safety of train operation. The elastic strip needs to go through three stages of crack initiation, crack propagation and crack unstable propagation before it produces fatigue fracture and damage, so it is essential to detect the surface crack of the elastic strip.

[0003] Chinese patent publication No. CN217074328U discloses a detection device for the off-seam value of the elastic strip of the fastener, which can efficiently, quickly and non-destructively detect the off-seam value of the elastic strip of the fastener in service based on the distance scanning of the components of the fastener system by the laser range finder and the off-seam value obtained by the intelligent control system; but it cannot detect the crack of the elastic strip itself. Chinese patent publication No. CN206057201U discloses a rail fastener elastic strip crack detection device based on visual sensing, which can realize crack detection; but it uses a structured laser sensor to identify the position above the fastener, which is high in cost and not economical, and the implementation is complex, in addition, the display screen and the beam body are integrated, which is not convenient for users to observe and work. Therefore, the main problem to be solved at present is the identification and positioning method of the fastener elastic strip. UTILITY MODEL CONTENT

[0004] The utility model discloses a fastener elastic strip surface crack detection device of basic wireless control to solve the technical problems existing in the prior art, which can be used as the daily detection work of high-speed railway fastener. The displacement laser sensor is used to identify and position the sleeper, which is the bearing body of the fastener elastic strip. Wireless WIFI communication is used to realize data transmission and processing, so that the control process can be completed by using general-purpose tablets, mobile phones and other accessories.

[0005] The utility model discloses a kind of fastener spring strip surface crack detection devices of basic wireless control, including detection beam body, high-definition industrial camera, displacement laser sensor, control circuit board, tablet computer, power supply battery;Two high-definition industrial cameras are respectively installed in the both sides of the detection beam body, and the two high-definition industrial cameras of each side are located just above the fastener spring strip bolt of corresponding rail two sides respectively, so that high-definition industrial camera exposes and takes photograph to spring strip on its just below tie, one side of the detection beam body is installed displacement laser sensor, the displacement laser sensor is installed inside detection beam body and located just above rail inside and tie area, for measuring the height of tie, displacement laser sensor, high-definition industrial camera are connected with control circuit board;The control circuit board, power supply battery are located in detection beam body, the tablet computer is installed on detection beam body, and tablet computer is wirelessly connected with high-definition industrial camera, control circuit board, and the power supply battery is the power supply for high-definition industrial camera, displacement laser sensor, control circuit board, tablet computer.

[0006] Preferably, the high-definition industrial camera, control circuit board are connected with tablet computer by wireless router and WIFI antenna, and the wireless router and WIFI antenna are powered by power supply battery.

[0007] Further preferably, the wireless router is located in detection beam body, and the WIFI antenna is located outside detection beam body.

[0008] Further preferably, the control circuit board and displacement laser sensor are located on the same side, and the power supply battery and wireless router are located on the same side.

[0009] Preferably, an infrared LED light supplementing plate is arranged just below the wide-angle lens of the high-definition industrial camera, the infrared LED light supplementing plate is connected with the control circuit board, and the infrared LED light supplementing plate cooperates with the high-definition industrial camera to shoot spring strip image.

[0010] Preferably, the detection device is pushed by push rod, the push rod is installed by quick shaft hole and detection beam body, and is fastened by nut.

[0011] Further preferably, an interface mechanism is arranged on the push rod, and the tablet computer is installed on the push rod by the interface mechanism.

[0012] The utility model discloses adopt high -definition industrial camera as the core sensor of fastener elastic strip image collection, and the detection beam body of bearing high -definition industrial camera and the frame that can push on the railway steel rail are designed, and the height change of sleeper is measured through the displacement laser sensor installed in the detection beam body, and the position of sleeper is positioned, and when the core control circuit board detects the height change of sleeper, sends the camera photographing signal, and high -definition industrial camera gathers elastic strip image, and through wireless router and WIFI antenna, image is transmitted to tablet computer, and after the computer software in tablet computer receives image, carries out analysis processing to it, matches fastener bolt center position, and positions to the elastic strip hind leg bending middle part that needs to analyze crack, extracts middle part image, carries out crack detection.

[0013] The utility model has the advantages and positive effects of:

[0014] 1, the utility model discloses adopt high -definition industrial camera as the core equipment of fastener elastic strip image collection of installing on the detection beam body, and the displacement laser sensor in the detection beam body is as the equipment of measuring sleeper height change, and when the control circuit board detects the height change of sleeper, sends the camera photographing signal, and infrared LED light supplementing board cooperates high -definition industrial camera and gathers elastic strip image, and wireless transmission is to tablet computer, and carries out analysis processing to it, carries out crack detection, and does not need speed sensor, and directly uses the displacement laser sensor of lower cost to realize positioning and photographing and the sleeper counting of detection, and the mileage position positioning work of completing is met the application disease positioning demand of field.

[0015] 2, the detection device of the utility model does not need to find the small elastic strip of target, but adopts the mode of positioning sleeper, and its range is big, and the accuracy is higher, and provides the guarantee for the safe and comfortable operation of high -speed railway. ACCURACY

[0016] The technical solutions of the embodiments of the present application will be further described in detail below with reference to the drawings, but it should be known that these drawings are only designed for the purpose of explanation, thus not as the limitation of the scope of the present application. In addition, these drawings are only intended to conceptually illustrate the structural configuration described herein, and are not necessarily drawn in proportion.

[0017] Figure 1 It is the schematic diagram of fastener elastic strip surface crack detection device of basic wireless control that the utility model embodiment provides;

[0018] Figure 2 It is the working principle schematic diagram of detection device that the utility model embodiment provides.

[0019] In the figure: 1, detection beam body; 2, high-definition industrial camera; 3, displacement laser sensor; 4, control circuit board; 5, tablet computer; 6, power supply battery; 7, infrared LED light supplement plate; 8, wireless router; 9, WIFI antenna; 10, pushing rod; 11, fastener elastic strip bolt; 12, steel rail; 13, sleeper. DETAILED DESCRIPTION

[0020] In order to further understand the inventive content, characteristics and effects of the present application, the following examples are given, and the detailed description is as follows in conjunction with the drawings:

[0021] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as limiting the device or element indicated or implied to have a specific orientation, to be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application.

[0022] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0023] Please refer to Figure 1 and Figure 2 The embodiment of the present application provides a basic wireless control fastener elastic strip surface crack detection device, which comprises a detection beam body, a high-definition industrial camera, a displacement laser sensor, a control circuit board, a tablet computer and a power supply battery. Two high-definition industrial cameras are mounted on the two sides of the detection beam body, respectively. The two high-definition industrial cameras on each side are located directly above the fastener elastic strip bolts corresponding to the two sides of the steel rail, so that the high-definition industrial camera exposes and takes a photo of the elastic strip on the sleeper directly below. A displacement laser sensor is mounted on one side of the detection beam body and located directly above the inside of the steel rail and the sleeper area, for measuring the height of the sleeper. The displacement laser sensor, the high-definition industrial camera and the control circuit board are connected, and the power supply and signal reception of the high-definition industrial camera and the displacement laser sensor are responsible by the control circuit board. The control circuit board and the power supply battery are located in the detection beam body, and the tablet computer is mounted on the detection beam body. The tablet computer is wirelessly connected with the high-definition industrial camera and the control circuit board, and the power supply battery supplies power to the high-definition industrial camera, the displacement laser sensor, the control circuit board and the tablet computer.

[0024] As a preferred implementation, the high-definition industrial camera and the control circuit board are connected with the tablet computer through a wireless router and a WIFI antenna, and the wireless router and the WIFI antenna are powered by a power supply battery, which is convenient for installation and connection and can ensure the transmission rate of data.

[0025] As a preferred implementation, the wireless router is located in the detection beam body, and the WIFI antenna is located outside the detection beam body, which protects the wireless router and ensures that the transmission signal is not disturbed, and the wireless router is responsible for the communication control work between the tablet computer and the four high-definition industrial cameras, thereby ensuring the transmission rate of data.

[0026] As a preferred implementation, an infrared LED light supplementing plate is arranged directly below the wide-angle lens of the high-definition industrial camera, the infrared LED light supplementing plate is connected with the control circuit board, the infrared LED light supplementing plate cooperates with the high-definition industrial camera to shoot the spring strip image, the relative position relationship between the infrared LED light supplementing plate and the high-definition industrial camera is not changed, and the infrared LED light supplementing plate and the high-definition industrial camera form an integral whole, so that the high-definition industrial camera can obtain the brightest moment of the infrared LED light supplementing plate at the moment of shooting and meet the exposure requirement.

[0027] As a preferred implementation, the control circuit board and the displacement laser sensor are located on the same side, and the power supply battery and the wireless router are located on the same side. In the embodiment, the control circuit board and the displacement laser sensor are located on the left side of the detection beam body, and the power supply battery and the wireless router are located on the right side of the detection beam body, so that the weight of the detection beam body is balanced, and the detection beam body is convenient for operation and lifting.

[0028] As a preferred implementation, the detection device is pushed by a pushing rod, the pushing rod is connected and installed with the detection beam body through a quick shaft hole and is fastened through a nut, and the pushing rod can be quickly installed and dismounted during use and after use.

[0029] As a preferred implementation, an interface mechanism is arranged on the pushing rod, and the tablet computer is installed on the pushing rod through the interface mechanism, so that the tablet computer is convenient to install.

[0030] In order to better understand the above-mentioned embodiments of the present application, the following further describes the above-mentioned embodiments.

[0031] The four high-definition industrial cameras are installed on both sides of the detection beam body, and one high-definition industrial camera is installed on the inner side and the outer side of the steel rail. The infrared LED light supplementing plate has a certain phase difference with the shooting signal of the high-definition industrial camera, so that the high-definition industrial camera can shoot at the moment and obtain the brightest moment of the infrared LED light supplementing plate, thereby meeting the exposure requirement.

[0032] The displacement laser sensor is located on one side of the detection beam body and is installed inside the detection beam body, is located inside the line rail, and is directly above the sleeper area, and can not be required to be fixed directly above the elastic strip bolt, and the main sensing target is the sleeper instead of the elastic strip.

[0033] The control circuit board, power supply battery and wireless router are installed in the detection beam body; the WIFI antenna is installed outside the detection beam body to avoid interference and good protection measures are taken.

[0034] The push rod is connected and installed with the detection beam body through the quick shaft hole, and the nut is tightened during the installation process.

[0035] The tablet computer is directly placed on the push rod of the interface mechanism specially designed for the tablet computer.

[0036] The displacement laser sensor emits a laser line to the sleeper, continuously measures the height value of the sleeper area, and sends the height value to the control circuit board through the serial port;

[0037] After the control circuit board receives the height value sent by the displacement laser sensor, the change is detected, whether it is greater than the set threshold value, when the change exceeds the threshold value, it is determined that the sleeper reaches, sends a shooting signal to the four high-definition industrial cameras, and sends the sleeper counting information to the tablet computer through the wireless router and WIFI antenna;

[0038] After the four high-definition industrial cameras receive the shooting signal, the elastic strip on the sleeper is exposed and photographed, and after completion, the image is sent to the tablet computer through the wireless router and WIFI antenna;

[0039] After the wireless network of the platform computer receives the high-definition industrial camera data, it is transmitted to the computer software, the computer software matches the bolt center of the elastic strip image, positions the crack area, and realizes the crack detection work through binarization and texture extraction, and the crack detection result is bound with the sleeper counting sent by the control circuit board, and is used for on-site disease positioning work.

[0040] The above only describes a preferred embodiment of the present scheme, wherein the displacement laser sensor can be installed inside or outside the detection beam body according to needs; the tablet computer can use a mobile phone or other wireless platforms supporting an operating system, which are all applicable to the scope of the present scheme.

[0041] In conclusion, the utility model discloses install high -definition industry camera on the detection beam body as the core equipment of fastener elastic strip image collection, and the displacement laser sensor in the detection beam body is as the equipment of measuring the height change of the sleeper, when the control circuit board detects the height change of sleeper, sends the camera photographing signal, infrared LED light supplementing board cooperates high -definition industry camera to gather elastic strip image, and wireless transmission is carried out to tablet computer, and it carries out analysis processing, carries out crack detection, does not need speed sensor, directly uses the displacement laser sensor of lower cost to realize the sleeper count of positioning photographing and detection and completes the mileage position positioning work, satisfies the application disease positioning demand of field.

[0042] The above only is to the preferred embodiment of the utility model, and does not limit the utility model in any form, and any simple modification, equivalent change and modification made according to the technical essence of the utility model to the above embodiment all belong to the range of the utility model technical scheme.

Claims

1. A substantially wireless controlled fastener tab surface crack detection apparatus, characterized by, The detection device comprises a detection beam body, high-definition industrial cameras, a displacement laser sensor, a control circuit board, a tablet computer and a power supply battery.

2. The substantially wireless controlled fastener tab surface crack detection apparatus of claim 1, wherein, Two high-definition industrial cameras are respectively installed on both sides of the detection beam body, and the two high-definition industrial cameras on each side are respectively located above the bolt of the fastener on the corresponding rail, so that the high-definition industrial cameras expose and take pictures of the elastic strip on the sleeper below.

3. The substantially wireless controlled fastener tab surface crack detection apparatus of claim 2, wherein, The displacement laser sensor is installed on one side of the detection beam body and located above the rail and sleeper area inside the rail for measuring the height of the sleeper.

4. The substantially wireless controlled fastener tab surface crack detection apparatus of claim 2, wherein, The control circuit board and the power supply battery are located in the detection beam body, and the tablet computer is installed on the detection beam body.

5. The substantially wireless controlled fastener tab surface crack detection apparatus of claim 1, wherein, The high-definition industrial cameras and the control circuit board are connected with the tablet computer through a wireless router and a WIFI antenna.

6. The substantially wireless controlled fastener tab surface crack detection apparatus of claim 1, wherein, The wireless router and the WIFI antenna are powered by the power supply battery.

7. The substantially wireless controlled fastener tab surface crack detection apparatus of claim 6, wherein, The wireless router is located in the detection beam body, and the WIFI antenna is located outside the detection beam body. The control circuit board and the displacement laser sensor are located on the same side, and the power supply battery and the wireless router are located on the same side. An infrared LED light supplement plate is arranged below the wide-angle lens of the high-definition industrial camera, and the infrared LED light supplement plate is connected with the control circuit board. The infrared LED light supplement plate cooperates with the high-definition industrial camera to shoot the elastic strip image. The detection device is pushed by a pushing rod, the pushing rod is connected with the detection beam body through a quick shaft hole, and is fastened by a nut. An interface mechanism is arranged on the pushing rod, and the tablet computer is installed on the pushing rod through the interface mechanism.

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