Ultrasonic device for nondestructive testing of steel rail

Abstract

The utility model discloses an ultrasonic device for nondestructive testing of a steel rail, which comprises a rail car main body, car machine equipment arranged at the front end of the upper surface of the rail car main body and a seat arranged at the rear end of the upper surface of the rail car main body, the rail car main body is used for bearing the car machine equipment and the seat to move on a rail, rotating shafts are fixedly welded to the two sides of a vertical frame at the rear end of the rail car main body, and detection probe tow bars are rotationally installed on the two sides of the vertical frame at the rear end of the rail car main body through the rotating shafts. According to the utility model, the tilting rod is welded at the front end of the probe pull rod, a user can tilt the probe pull rod at the tail part by pressing the tilting rod, and the tilting probe pull rod pulls the ultrasonic detection probe up from the steel rail through the resistance spring, so that the condition that the ultrasonic detection probe collides with the dislocation part of the steel rail and is damaged is avoided in time.

Description

TECHNICAL FIELD

[0001] The utility model relates to rail nondestructive testing technical field, specifically is a kind of ultrasonic device for rail nondestructive testing. BACKGROUND

[0002] Currently commonly used rail flaw detection equipment is mostly self-propelled flaw detection vehicle or hand-push flaw detector, hand-push flaw detector needs staff to place it on rail and carries out flaw detection on rail by hand pushing, and it can only detect one rail each time, and self-propelled flaw detection vehicle is driven by power system of the vehicle to travel on rail, staff can ride on flaw detection vehicle and operate equipment, and the fastest travel speed of self-propelled flaw detection vehicle can reach 15 kilometers per hour during detection, and self-propelled flaw detection vehicle can detect two rails simultaneously, so working efficiency is more efficient.China patent (publication number: CN101817349A) discloses a kind of electric rail flaw detection vehicle, including rail wheel, frame and rail flaw detector, and its characterized in that: the frame is made of bottom plate, support rod and upper link, and the bottom plate is two pieces, and the two pieces of bottom plate are connected by hinge;Battery box is installed on the bottom plate of the front edge of frame, and driving motor is installed on the bottom plate of the rear edge;Support rod and upper link of the rear edge of frame are connected by positioning pin;The front end of upper link is bent and fixed on the bottom plate, and instrument support is fixed on the front end of bottom plate, and rail flaw detector is installed on instrument support.

[0003] However, existing ultrasonic device for rail flaw detection has some disadvantages during use, for example:

[0004] 1, the existing ultrasonic flaw detection device installed on flaw detection vehicle mostly sets probe between front and rear wheels on one side of flaw detection vehicle, and since ultrasonic probe is close to front and rear wheels, it is easily affected by friction vibration between wheel and rail, resulting in inaccurate measurement.

[0005] 2, the probe of existing ultrasonic device for rail flaw detection needs to be tightly attached to the top surface of rail for detection, and traditional ultrasonic probe installed on flaw detection vehicle is fixedly arranged and cannot be lifted, so it cannot be lifted in time when rail joint is misaligned, resulting in damage to probe caused by collision with misaligned rail. INVENTION CONTENTS

[0006] The utility model aims at providing an ultrasonic device for rail nondestructive testing to solve the problems in the above background.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: an ultrasonic device for nondestructive testing of steel rails, which comprises: a railcar main body, a car equipment installed on the upper surface of the front end of the railcar main body and a seat installed on the upper surface of the rear end of the railcar main body, an ultrasonic detection system host is integrally installed in the car equipment, the railcar main body is used for carrying the car equipment and the seat to move on the rail, pivot shafts are fixedly welded on the both sides of the rear end stand of the railcar main body, detection probe drag rods are rotatably installed on the both sides of the rear end stand of the railcar main body through the pivot shafts, rubber wheels are rotatably installed on the one end of the detection probe drag rods away from the pivot shafts, the rubber wheels are arranged corresponding to the rail, ultrasonic detection probes are arranged on the bottom of the probe drag rods corresponding to the rail, the ultrasonic detection probes are used for detecting the rail, the ultrasonic detection probes are electrically connected with the ultrasonic detection system host integrally installed in the car equipment, and the ultrasonic detection system host integrally installed in the car equipment is used for analyzing, processing and displaying the data returned by the ultrasonic detection probes.

[0008] Further, a probe mounting rod is rotatably installed on the lower surface of the probe drag rod, the ultrasonic detection probe is rotatably installed on the one end of the probe mounting rod away from the probe drag rod, the ultrasonic detection probe is rotatably installed on the bottom of the probe drag rod through the probe mounting rod, a resistance spring is fixedly welded on the upper surface of the one end of the probe mounting rod close to the ultrasonic detection probe, the one end of the resistance spring away from the probe mounting rod is fixedly connected with the lower surface of the probe drag rod, and the resistance spring is used for pushing the probe mounting rod away from the probe drag rod.

[0009] Further, a lever is fixedly welded on the one end of the probe drag rod close to the pivot shaft, the lever is integrally welded with the probe drag rod, the lever and the probe drag rod jointly rotate around the pivot shaft, and a handle is horizontally welded on the side surface of the one end of the lever away from the probe drag rod.

[0010] Further, a hook is rotatably installed on the side surface pin of the seat, the hook cooperates with the handle, and the hook is used for suspending the handle on the bottom of the seat.

[0011] Further, the utility model also comprises a table plate, the table plate is fixedly installed on the top of the car equipment close to the one side of the seat, and the table plate is used for placing external equipment used for ultrasonic detection of steel rails.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. This utility model sets a probe trailing rod behind the main body of the railcar and uses a probe mounting rod to install the ultrasonic detection probe at the bottom of the probe trailing rod, which is far away from the wheel. At the same time, a resistance spring is used to press the ultrasonic detection probe against the surface of the rail, preventing the ultrasonic detection probe from detaching from the rail and causing inaccurate detection. Since the ultrasonic detection probe is far away from the wheel of the main body of the railcar, the influence of friction and vibration between the wheel and the rail on the detection results is greatly reduced.

[0014] 2. This utility model welds a pry bar to the front end of the probe rod. By pressing the pry bar, the user can lift the probe rod at the rear. The lifted probe rod will pull the ultrasonic detection probe off the rail through a resistance spring, thus preventing the ultrasonic detection probe from being damaged by hitting the misaligned part of the rail. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram on the right side of one embodiment of the present utility model;

[0016] Figure 2 for Figure 1 A schematic diagram of the left-side three-dimensional structure in the embodiment;

[0017] Figure 3 for Figure 1 A schematic diagram of the front view structure in the embodiment;

[0018] Figure 4 for Figure 1 Top view of the structure in the embodiment;

[0019] Figure 5 for Figure 1 A schematic diagram of the connection structure between the probe drag bar and the rocker arm in the embodiment.

[0020] Reference numerals: 101, Main body of the railcar; 102, Car-mounted equipment; 103, Seat; 201, Rotating shaft; 202, Probe trailing rod; 203, Ultrasonic detection probe; 204, Rubber wheel; 301, Probe mounting rod; 302, Resistance spring; 401, Tilt rod; 402, Handle; 500, Hook; 600, Table. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please refer to the following: Figures 1-5wherein, Figure 1 It is the right side three-dimensional structure schematic view in the embodiment of the utility model; Figure 2 It is Figure 1 It is the left side three-dimensional structure schematic view in the embodiment; Figure 3 It is Figure 1 It is the front view structure schematic view in the embodiment; Figure 4 It is Figure 1 It is the top view structure schematic view in the embodiment; Figure 5 It is Figure 1 It is the probe drag rod and the rod connecting structure schematic view in the embodiment.

[0023] An ultrasonic device for nondestructive testing of steel rail, it includes: railcar main body 101, the car machine equipment 102 of installing on the upper surface front end of railcar main body 101 and the seat 103 of installing on the upper surface rear end of railcar main body 101, the car machine equipment 102 inside integrated installation has ultrasonic detection system host computer, the railcar main body 101 is used to bear the car machine equipment 102 and the seat 103 on the rail movement, the railcar main body 101 rear end stand both sides fixed welding has the pivot 201, the railcar main body 101 rear end stand both sides are rotationally installed with detection probe drag rod 202 through the pivot 201, the detection probe drag rod 202 far from the pivot 201 one end rotationally installed with rubber wheel 204, the rubber wheel 204 is set up corresponding rail, the probe drag rod 202 bottom is provided with ultrasonic detection probe 203, the ultrasonic detection probe 203 is set up corresponding rail, the ultrasonic detection probe 203 is used to detect rail, the ultrasonic detection probe 203 with the ultrasonic detection system host computer of inside integrated of car machine equipment 102 electric connection, the ultrasonic detection system host computer of inside integrated of car machine equipment 102 is used to analyze processing and display the data of ultrasonic detection probe 203 back transmission;

[0024] Wherein, the ultrasonic detection probe 203 is hung below the probe drag rod 202, and the type of the probe can be replaced as needed;

[0025] Wherein, the ultrasonic detection system host computer integrated in the car machine equipment 102 can realize monitoring of the steel rail in combination with the ultrasonic detection probe 203, the ultrasonic detection system host computer and the ultrasonic detection probe 203 used in the application are prior art, and the application only separates the probe from the host; In addition to the ultrasonic detection system host computer integrated in the car machine equipment 102, there is also a power system structure for driving the railcar main body 101 to move on the steel rail, a power supply mechanism of all devices and other necessary electrical equipment;

[0026] The utility model discloses a probe dragging rod 202 is arranged behind the railcar main body 101, and the ultrasonic detection probe 203 is installed at the bottom of the probe dragging rod 202 far from the wheel by utilizing the probe mounting rod 301, and the ultrasonic detection probe 203 is pressed on the rail surface by the resistance spring 302, so that the ultrasonic detection probe 203 is prevented from separating from the rail and causing inaccurate detection, and the friction vibration between the wheel and the rail greatly reduces the influence on the detection result because the position of the ultrasonic detection probe 203 is far from the wheel of the railcar main body 101.

[0027] Further, the probe dragging rod 202 lower surface rotationally installs the probe mounting rod 301, the ultrasonic detection probe 203 rotationally installs the probe mounting rod 301 far from the probe dragging rod 202 one end, the ultrasonic detection probe 203 is rotationally installed in the probe dragging rod 202 bottom through the probe mounting rod 301, the probe mounting rod 301 is fixedly welded with resistance spring 302 on the one end upper surface close to the ultrasonic detection probe 203, the resistance spring 302 is fixedly connected with the probe dragging rod 202 lower surface far from the probe mounting rod 301 one end, and the resistance spring 302 is used to push the probe mounting rod 301 away from the probe dragging rod 202;The probe dragging rod 202 is fixedly welded with the lever 401 close to the pivot 201 one end, the lever 401 is welded into a whole with the probe dragging rod 202, the lever 401 rotates with the probe dragging rod 202 around the pivot 201, and the handle 402 is horizontally welded on the one end side of the lever 401 far from the probe dragging rod 202, and the handle 402 is used to press down the lever 401;

[0028] Wherein, the rubber wheel 204 is arranged at the probe dragging rod 202 end because the ultrasonic detection probe 203 is close to the rubber wheel 204, and the rubber material is used to avoid friction vibration with the rail as much as possible and avoid affecting the detection result;

[0029] In use, the probe drag rod 202 is lowered before driving, the rubber wheel 204 is attached to the surface of the rail, the end of the probe mounting rod 301 provided with the ultrasonic detection probe 203 is pushed by the resistance spring 302, so that the ultrasonic detection probe 203 is tightly attached to the top of the rail, facilitating ultrasonic non-damage detection of the rail. Since the length of the probe drag rod 202 is relatively long, the automatic force of the probe drag rod 202 can provide sufficient pressure for the resistance spring 302, so that the resistance spring 302 can stably press the ultrasonic detection probe 203 on the upper surface of the rail. During the detection process of the track car body 101 on the rail, if the staff observes that the rail is dislocated and has a height difference, which may cause an adverse situation for the ultrasonic detection probe 203, the handle 402 can be pressed downward, and the tail probe drag rod 202 is lifted by the rocker 401. The lifted probe drag rod 202 can timely lift the ultrasonic detection probe 203 from the rail, avoiding damage of the dislocated rail to the ultrasonic detection probe 203. After the detection work is completed or during the return trip when the detection is no longer needed, in order to facilitate the staff to get off the car and reduce the friction between the ultrasonic detection probe 203 and the rail, the handle 402 can be pressed downward, and the handle 402 is hooked by the hook 500, so that the probe drag rod 202 can always be kept in the lifted state, and the rocker 401 where the handle 402 is located no longer blocks the staff to get off the car.

[0030] The probe drag rod 202 is welded with the rocker 401 at the front end, the user can lift the tail probe drag rod 202 by pressing the rocker 401, and the lifted probe drag rod 202 can pull the ultrasonic detection probe 203 from the rail by the resistance spring 302, so as to timely avoid the damage of the ultrasonic detection probe 203 to the dislocation of the rail.

[0031] Further, the hook 500 is rotatably installed on the side pin of the seat 103, the hook 500 cooperates with the handle 402, and the hook 500 is used for suspending the handle 402 on the bottom of the seat 103.

[0032] Further, the table plate 600 is fixedly installed on one side edge of the top of the car machine device 102 close to the seat 103, and the table plate 600 is used for placing external equipment used for ultrasonic detection of the rail, such as a computer carried by the user when the main machine in the car machine device 102 is damaged or does not match.

[0033] In summary, the utility model provides an ultrasonic device for rail nondestructive testing, in working time, first put down the probe drag rod 202 before driving, make rubber wheel 204 adhere to the rail surface, the one end of probe mounting rod 301 installed with ultrasonic detection probe 203 is pushed by resistance spring 302 at this moment, make ultrasonic detection probe 203 adhere to the rail top tightly, facilitate the ultrasonic nondestructive detection of rail, because the length of probe drag rod 202 is longer, therefore its automatic is bigger, can provide sufficient pressure for resistance spring 302 through the automatic of probe drag rod 202, can make resistance spring 302 press ultrasonic detection probe 203 stably on the upper surface of rail, if the staff observes that the rail occurs misplacement and produces height difference and so on in the process of rail car main body 101 advancing detection on the rail, can press down handle 402, use the lever 401 to lift the tail probe drag rod 202, the probe drag rod 202 that lifts can lift ultrasonic detection probe 203 from the rail in time, avoid the damage of misplacement rail to ultrasonic detection probe 203, after detection work is completed, or when returning, in order to facilitate the staff to get off, also in order to reduce the friction of ultrasonic detection probe 203 and rail, can press down handle 402 with force, use the hook 500 to hook handle 402, make probe drag rod 202 can always keep lifting state, and the lever 401 where handle 402 is does not block the staff to get off again,

[0034] The utility model discloses a probe drag rod 202 is set up behind rail car main body 101, and ultrasonic detection probe 203 is installed at the bottom of probe drag rod 202 far from the wheel through probe mounting rod 301, and resistance spring 302 is used to press ultrasonic detection probe 203 on the rail surface, prevent ultrasonic detection probe 203 from separating from the rail and lead to inaccurate detection, because the position of ultrasonic detection probe 203 is far from the wheel of rail car main body 101, make the influence of the friction vibration between wheel and rail on the detection result greatly reduce, the utility model discloses that the lever 401 is welded in the front end of probe drag rod 202, and the user can lift the tail probe drag rod 202 through pressing lever 401, and the probe drag rod 202 that lifts will pull ultrasonic detection probe 203 from the rail through resistance spring 302, and in time avoid the situation that ultrasonic detection probe 203 bumps to the misplacement of rail and leads to damage.

[0035] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0036] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. An ultrasonic device for non-destructive testing of a steel rail, comprising: Rail car body (101), installed on the rail car body (101) upper surface front-end car equipment (102) and installed on the rail car body (101) upper surface rear-end seat (103), characterized by, the car equipment (102) inside integrated installation has ultrasonic detection system host, the rail car body (101) is used for carrying the car equipment (102) and the seat (103) moves on the rail, the rail car body (101) rear-end stand both sides are fixedly welded with the rotating shaft (201), the rail car body (101) rear-end stand both sides are rotatably installed with the detection probe drag rod (202) through the rotating shaft (201), the detection probe drag rod (202) is rotatably installed with the rubber wheel (204) at the end away from the rotating shaft (201), the rubber wheel (204) is arranged corresponding to the rail, the probe drag rod (202) bottom is provided with the ultrasonic detection probe (203), the ultrasonic detection probe (203) is arranged corresponding to the rail, the ultrasonic detection probe (203) is used for detecting the rail, the ultrasonic detection probe (203) is electrically connected with the ultrasonic detection system host integrated in the car equipment (102), and the ultrasonic detection system host integrated in the car equipment (102) is used for analyzing, processing and displaying the data returned by the ultrasonic detection probe (203).

2. An ultrasonic device for non-destructive testing of a steel rail according to claim 1, characterized in that The probe drag rod (202) lower surface is rotatably installed with the probe mounting rod (301), the ultrasonic detection probe (203) is rotatably installed at the end away from the probe drag rod (202) of the probe mounting rod (301), the ultrasonic detection probe (203) is rotatably installed at the bottom of the probe drag rod (202) through the probe mounting rod (301), the probe mounting rod (301) is fixedly welded with the resistance spring (302) on the upper surface of the end close to the ultrasonic detection probe (203), the resistance spring (302) is fixedly connected with the probe drag rod (202) lower surface at the end away from the probe mounting rod (301), and the resistance spring (302) is used for pushing the probe mounting rod (301) away from the probe drag rod (202).

3. An ultrasonic device for non-destructive testing of a rail according to claim 1, characterized in that, The probe drag rod (202) is fixedly welded with the lever (401) at the end close to the rotating shaft (201), the lever (401) is welded with the probe drag rod (202) as a whole, the lever (401) and the probe drag rod (202) are rotatable about the rotating shaft (201), the lever (401) is horizontally welded with the handle (402) on the side away from the probe drag rod (202), and the handle (402) is used for pressing down the lever (401).

4. An ultrasonic device for non-destructive testing of a steel rail according to claim 3, characterized in that The seat (103) side pin is rotatably installed with the hook (500), the hook (500) is matched with the handle (402), and the hook (500) is used to hang the handle (402) on the bottom of the seat (103).

5. An ultrasonic device for non-destructive testing of a rail according to claim 1, characterized in that Also includes: A table board (600) is fixedly installed on a side edge of the top of the car machine device (102) near the seat (103), and is used to place external devices used for rail ultrasonic detection.

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