Sensor fastener for ultrasonic guided wave detection of steel rail

Abstract

The utility model belongs to the technical field of sensor fasteners, and particularly relates to a sensor fastener for ultrasonic guided wave detection of a steel rail, which comprises a mounting plate, a T-shaped groove is arranged on the lower side of the mounting plate, a bidirectional screw is rotatably assembled in the T-shaped groove, and two T-shaped plates matched with the T-shaped groove are slidably assembled on the lower side of the mounting plate. Threaded holes meshed with the two sides of the two-way screw rod are machined in the T-shaped plates, clamping blocks are fixedly arranged on the opposite sides of the T-shaped plates, a pressing plate is assembled on the lower side of the mounting plate in a sliding mode, the screw rod is rotationally assembled on the upper side of the mounting plate, and limiting assemblies are arranged on the opposite sides of the T-shaped plates; the two T-shaped plates are placed on the two sides of the steel rail, the sensor is limited through the limiting assembly, then the two-way screw is rotated, the clamping blocks on the opposite sides of the T-shaped plates are attached to the steel rail, therefore, the mounting plate is mounted and fixed, the sensor is synchronously fixed to the surface of the steel rail, the structure is simple, rapid dismounting and mounting are convenient, and the detection efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sensor fastener technical field, concretely relates to a sensor fastener for ultrasonic guided wave detection of steel rail. BACKGROUND

[0002] Ultrasonic guided wave technology is widely applied to steel rail defect detection, and main probe types include piezoelectric ceramic sensor, air coupling sensor and surface wave sensor etc., these sensors are usually fixed on the surface of the detected component through the adhesive method, which brings certain inconvenience when carrying out multiple detection, and in actual detection environment, the defect detection operation is usually carried out at the rail head, rail waist and rail bottom position of the steel rail, and the probe is clamped and installed in the dry coupling mode, therefore, a sensor fastener for ultrasonic guided wave detection of steel rail is needed to improve the convenience and efficiency of detection. SUMMARY

[0003] The utility model aims at providing a sensor fastener for ultrasonic guided wave detection of steel rail, through two T-shaped plates are placed on both sides of the steel rail, the sensor is limited through the limiting assembly, then the T-shaped plate is made to be combined with the steel rail through the rotation of the bidirectional screw rod, so that the mounting plate is installed and fixed, the sensor is fixed on the surface of the steel rail at the same time, the structure is simple, and the quick dismounting is convenient, the detection efficiency is improved.

[0004] In order to realize the above technical purpose, the utility model adopts the following technical scheme:

[0005] A sensor fastener for ultrasonic guided wave detection of steel rail, including the mounting plate, the T-shaped groove is seted up in the mounting plate downside, the bidirectional screw rod is rotatably equipped in the T-shaped groove, two T-shaped plates matched with the T-shaped groove are slidably equipped in the mounting plate downside, the T-shaped plate is all processed with the screw hole of both sides of the bidirectional screw rod is engaged, the clamping block is fixedly arranged on the opposite side of the T-shaped plate, the pressing plate is slidably equipped in the mounting plate downside, the screw rod is rotatably equipped in the mounting plate upside, the limiting assembly is arranged on the opposite side of the T-shaped plate.

[0006] The limiting assembly includes the arc-shaped plate slidably equipped on the opposite side of the T-shaped plate, a plurality of springs are fixedly arranged between the arc-shaped plate and the adjacent T-shaped plate side wall in a linear distribution, a plurality of guide rods matched with the spring are fixedly arranged on the arc-shaped plate side wall, and a plurality of limiting discs are fixedly arranged on the outer side of the guide rod in a concentric manner.

[0007] The positioning rod is fixedly arranged on the pressing plate upside, the oval rod matched with the screw rod is fixedly arranged on the positioning rod upside, and the knob is fixedly arranged on the screw rod upside in a concentric manner.

[0008] The anti-skid strip is fixedly arranged on the opposite side of the arc-shaped plate, and the anti-skid pad is fixedly arranged on the pressing plate downside.

[0009] The bidirectional screw rod is fixed concentrically on one side with a rotating knob.

[0010] The utility model discloses a two T type boards are placed on the both sides of the steel rail, and the sensor is positioned to the limiting component, rotates bidirectional screw rod again, makes the T type board relative one side's clamping block and the steel rail adhesion to install the fixed mounting plate, and the sensor is fixed on the steel rail surface simultaneously, and the simple structure is convenient for the quick dismounting, improves the detection efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0011] The utility model can be further explained by the non - limiting embodiment shown in the drawing.

[0012] Figure 1 For the structure diagram of the sensor fastener for the steel rail ultrasonic guided wave detection of the utility model embodiment Figure One ;

[0013] Figure 2 For the structure diagram of the sensor fastener for the steel rail ultrasonic guided wave detection of the utility model embodiment Figure Two ;

[0014] Figure 3 For the structure diagram of the sensor fastener for the steel rail ultrasonic guided wave detection of the utility model embodiment Figure Three .

[0015] The main element symbol explanation is as follows:

[0016] Mounting plate 1, T type groove 10, bidirectional screw rod 11, T type board 12, clamping block 13, pressing plate 14, screw rod 15, arc plate 20, spring 21, guide rod 22, limiting disc 23, positioning rod 25, oval rod 26, knob 27, antiskid strip 30, antiskid pad 31, rotating knob 35. DETAILED DESCRIPTION

[0017] In order to make the technical personnel in the field can better understand the utility model, the utility model technical scheme is further explained below with the drawings and examples.

[0018] As Figures 1-3 The utility model discloses a sensor fastener for the steel rail ultrasonic guided wave detection, including mounting plate 1, the T type groove 10 is set up to the mounting plate 1 downside, the bidirectional screw rod 11 is rotatably assembled in the T type groove 10, the two T type board 12 matched with the T type groove 10 is slidably assembled to the mounting plate 1 downside, the threaded hole of the engagement with the bidirectional screw rod 11 both sides is all processed to the T type board 12, the clamping block 13 is fixed to the relative one side of T type board 12, the pressing plate 14 is slidably assembled to the mounting plate 1 downside, the screw rod 15 is rotatably assembled to the mounting plate 14 upside, and the limiting component is all equipped to the relative one side of T type board 12;

[0019] The limiting assembly comprises the arc-shaped plates 20 slidably assembled on opposite sides of the T-shaped plates 12, a plurality of springs 21 linearly arranged and fixed between the arc-shaped plates 20 and the side walls of the adjacent T-shaped plates 12, a plurality of guide rods 22 fixed on the side walls of the arc-shaped plates 20 and matched with the springs 21, and a plurality of limiting discs 23 concentrically fixed on the outer sides of the guide rods 22.

[0020] When the device is not in use, the arc-shaped plates 20 are away from the T-shaped plates 12 on the same side under the elastic action of the springs 21, the limiting discs 23 abut against the side walls of the T-shaped plates 12, the bidirectional screw rod 11 and the screw rod 15 are rotated, the two T-shaped plates 12 are close to each other, and the pressing plate 14 is lowered to reduce the size of the device and facilitate storage and carrying.

[0021] When the device is in use, the user rotates the bidirectional screw rod 11 and the screw rod 15 to adjust the T-shaped plates 12 and the pressing plate 14 to appropriate positions, places the two T-shaped plates 12 on the left and right sides of the steel rail, places the sensor on the steel rail directly below the pressing plate 14, and then rotates the bidirectional screw rod 11 to make the two T-shaped plates 12 close to each other and drive the two arc-shaped plates 20 to synchronously approach the sensor, so that the two arc-shaped plates 20 clamp the sensor at the same time, the spring 21 is compressed, the clamping block 13 on the lower side of the two T-shaped plates 12 is attached to the steel rail, the arc-shaped plate 20 clamps and fixes the sensor, the user rotates the screw rod 15 to make the pressing plate 14 tightly attach to the surface of the sensor and the steel rail, thereby ensuring the smooth detection, and the structure is simple and the operation is convenient.

[0022] The device places the two T-shaped plates on the two sides of the steel rail, limits the sensor by the limiting assembly, rotates the bidirectional screw rod to make the clamping block on the opposite side of the T-shaped plate attached to the steel rail, thereby installs and fixes the mounting plate, synchronously fixes the sensor on the surface of the steel rail, the structure is simple, the device is convenient to quickly disassemble and assemble, and the detection efficiency is improved.

[0023] The pressing plate 14 is fixedly provided with a positioning rod 25 on the upper side, the positioning rod 25 is fixedly provided with an oval rod 26 matched with the screw rod 15 on the upper side, and the screw rod 15 is fixedly provided with a rotary knob 27 on the upper side in a concentric manner; the pressing plate 14 only moves up and down in the vertical direction, the rotation of the pressing plate 14 is prevented, the device is conveniently taken by the user through the oval rod 26, and the screw rod 15 is conveniently rotated by the user through the rotary knob 27.

[0024] The arc-shaped plates 20 are fixedly provided with anti-skid strips 30 on the opposite sides, and the pressing plate 14 is fixedly provided with anti-skid pads 31 on the lower side; the frictional force between the arc-shaped plates 20, the pressing plate 14 and the sensor is increased, and damage to the sensor caused by collision is avoided.

[0025] The bidirectional screw rod 11 is fixedly provided with a rotary knob 35 on one side in a concentric manner; the bidirectional screw rod 11 is conveniently rotated by the user.

[0026] The above embodiments only exemplarily illustrate the principles and effects of the present application, and are not intended to limit the present application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical concept disclosed by the present application should be covered by the claims of the present application.

Claims

1. A sensor fastener for ultrasonic guided wave detection of rails, comprising a mounting plate, characterized in that: The mounting plate has a T-slot on its lower side, and a bidirectional screw is rotatably mounted in the T-slot. Two T-plates that match the T-slot are slidably mounted on the lower side of the mounting plate. Each T-plate is machined with threaded holes that mesh with the two sides of the bidirectional screw. A locking block is fixed on the opposite side of each T-plate. A pressure plate is slidably mounted on the lower side of the mounting plate, and a screw is rotatably mounted on the upper side of the mounting plate. A limiting component is provided on the opposite side of each T-plate.

2. The sensor fastener for ultrasonic guided wave detection of rails according to claim 1, characterized in that: The limiting assembly includes an arc-shaped plate that is slidably assembled on opposite sides of the T-shaped plate. A plurality of linearly distributed springs are fixed between the arc-shaped plate and the adjacent sidewall of the T-shaped plate. A plurality of guide rods matching the springs are fixed on the sidewall of the arc-shaped plate. A limiting disc is concentrically fixed on the outer side of each of the guide rods.

3. The sensor fastener for ultrasonic guided wave detection of rails according to claim 1, characterized in that: A positioning rod is fixedly provided on the upper side of the pressure plate, and an elliptical rod matching the screw is fixedly provided on the upper side of the positioning rod. A knob is concentrically fixed on the upper side of the screw.

4. A sensor fastener for ultrasonic guided wave detection of rails according to claim 2, characterized in that: Anti-slip strips are fixedly provided on opposite sides of the arc-shaped plate, and an anti-slip pad is fixedly provided on the underside of the pressure plate.

5. A sensor fastener for ultrasonic guided wave detection of rails according to claim 1, characterized in that: A rotary knob is concentrically fixed on one side of the bidirectional screw.

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