阅读说明：本技术 探伤车 (Flaw detection vehicle ) 是由 马晓辉 张宗靓 马宏浩 于 2021-08-27 设计创作，主要内容包括：本发明公开一种探伤车,本发明的探伤车包括车架、移动轮组、探伤组件以及支护机构,移动轮组设于车架底部,探伤组件设于车架,支护机构设于车架的两侧且支护机构与钢轨的侧面滚动接触；本发明的技术方案通过采用在车架设置移动轮组和支护机构,移动轮组能够独立自动地在钢轨上移动,支护机构与钢轨的侧面滚动接触以保障探伤车的平稳行驶,且探伤车在车架两侧设置探伤组件,进而使得探伤车可以独立地在单轨上进行自动行驶探伤,无需人工跟随,提高了工作效率,且结构紧凑,制造成本低,稳定性更强。(The invention discloses a flaw detection vehicle which comprises a vehicle frame, a movable wheel set, flaw detection assemblies and supporting mechanisms, wherein the movable wheel set is arranged at the bottom of the vehicle frame; according to the technical scheme, the movable wheel set and the supporting mechanism are arranged on the frame, the movable wheel set can independently and automatically move on the steel rail, the supporting mechanism is in rolling contact with the side face of the steel rail to guarantee stable running of the flaw detection vehicle, the flaw detection vehicle is provided with the flaw detection assemblies on two sides of the frame, and therefore the flaw detection vehicle can independently and automatically run on the single rail for flaw detection, manual following is not needed, working efficiency is improved, the structure is compact, manufacturing cost is low, and stability is higher.)

1. A flaw detection vehicle, comprising:

a frame;

the moving wheel set is arranged at the bottom of the frame and is in rolling contact with the upper end surface of the steel rail;

the flaw detection assembly is arranged on the frame; and

and the supporting mechanisms are arranged on two sides of the frame and are in rolling contact with the side surfaces of the steel rails.

2. The flaw detection vehicle of claim 1, wherein the supporting mechanism comprises:

a telescoping assembly mounted to the frame; and

the support assembly is connected with the telescopic assembly, and the telescopic assembly stretches and retracts to drive the support assembly to ascend or descend.

3. The flaw detection vehicle of claim 2, wherein the support assembly comprises:

an arm-protecting lever;

the rotating shaft is movably connected with the arm protection rod, and the telescopic assembly is connected with the rotating shaft so as to enable the telescopic assembly to stretch and drive the arm protection rod to turn over and lift or turn over and descend; and

and the side wheels are mounted on the arm protection rod and can be in rolling contact with the side surfaces of the steel rails.

4. The flaw detection vehicle of claim 3, wherein the arm-guard bar comprises:

the rod body is provided with a sliding groove; and

the elastic piece is contained in the sliding groove and connected with the side wheel.

5. The flaw detection vehicle of claim 4, wherein the side wheels comprise:

a mounting rack and rollers;

the roller wheels are arranged on the mounting lugs, the connecting rods are fixedly connected with the mounting lugs, and each connecting rod comprises a sliding block;

the sliding block is connected with the elastic piece, and slides in the sliding groove under the pulling of the elastic piece.

6. The flaw detection vehicle of claim 4, wherein the telescoping assembly comprises:

the fixed seat is mounted on the frame; and

one end of the telescopic rod is connected with the fixing seat, the other end of the telescopic rod is connected with the rotating shaft, the telescopic rod stretches out to drive the rotating shaft to overturn and descend, and the telescopic rod retracts to drive the rotating shaft to overturn and lift in the opposite direction.

7. The flaw detection vehicle of claim 2, wherein the moving wheel set comprises: a drive mechanism and at least two sets of moving wheels;

the two groups of moving wheels are respectively arranged at the front end or the rear end of the frame;

the driving mechanism drives one group of the moving wheels to roll so that the flaw detection vehicle runs on the steel rail.

8. The flaw detection vehicle of claim 7, wherein the drive mechanism comprises:

a drive device;

the driving wheel is connected with the driving device, and the driving device drives the driving wheel to rotate;

the driven wheel is connected with one group of the moving wheels; and

the driving wheel is connected with the driven wheel through the transmission belt, so that the driving wheel rotates to drive the driven wheel to rotate, and the moving wheel moves on the steel rail.

9. The flaw detection vehicle of claim 1, wherein the flaw detection assembly comprises:

the flaw detection plate is arranged on the frame; and

and the flaw detection head is arranged on the flaw detection plate.

10. The flaw detection vehicle of any one of claims 1 to 9, further comprising a locator mounted to the frame.

Technical Field

The invention relates to the technical field of freight railway flaw detection, in particular to a flaw detection vehicle.

Background

At present, with the increasing of domestic freight heavy-load transportation railway lines, the use frequency of railways is increasingly dense. The damage of the steel rail of the freight road section is also increased, so the detection of the railway steel rail is strengthened, the railway steel rail is convenient to repair in time, and the method has important significance for ensuring the safe operation of the railway freight.

The existing flaw detection vehicles are mostly provided with guide wheels, the flaw detection vehicles can be manually pushed to perform flaw detection operation on a single rail, but the flaw detection vehicles lack mechanisms capable of assisting the guide wheels, the flaw detection vehicles are easy to derail when passing through a curve, the burden is brought to workers, equipment can be damaged when the flaw detection vehicles are serious, and the flaw detection vehicles can not accurately position the positions of the flaws of the steel rails.

Disclosure of Invention

The invention mainly aims to provide a flaw detection vehicle, and aims to solve the problems of insufficient stability of the flaw detection vehicle and inaccurate positioning of flaw detection positions.

In order to achieve the above object, the invention provides a flaw detection vehicle, comprising:

the movable wheel set is arranged at the bottom of the frame and is in rolling contact with the upper end surface of the steel rail; the flaw detection assembly is arranged on the frame; and the supporting mechanisms are arranged on two sides of the frame and are in rolling contact with the side surfaces of the steel rails.

Optionally, the bracing mechanism comprises: a telescoping assembly mounted to the frame; and the support assembly is connected with the telescopic assembly, and the telescopic assembly stretches and retracts to drive the support assembly to lift or descend.

Optionally, the bracing assembly comprises: the telescopic assembly is connected with the rotating shaft so as to enable the telescopic assembly to stretch and drive the arm protection rod to turn over and lift or turn over and descend; and the side wheel is arranged on the arm protection rod and can be in rolling contact with the side surface of the steel rail.

Further, the support assembly further comprises a fixing block, the fixing block is mounted on the frame, and two ends of the rotating shaft are connected to the outer side wall of the frame through the fixing block.

Optionally, the arm guard bar comprises: the rod body is provided with a sliding groove; and the elastic piece is contained in the sliding groove and is connected with the side wheel.

Optionally, the side wheel comprises: a mounting rack and rollers; the roller wheels are arranged on the mounting lugs, the connecting rods are fixedly connected with the mounting lugs, and each connecting rod comprises a sliding block; the sliding block is connected with the elastic piece, and slides in the sliding groove under the pulling of the elastic piece.

Optionally, the telescoping assembly comprises: the fixed seat is mounted on the frame; and

one end of the telescopic rod is connected with the fixing seat, the other end of the telescopic rod is connected with the rotating shaft, the telescopic rod stretches out to drive the rotating shaft to overturn and descend, and the telescopic rod retracts to drive the rotating shaft to overturn and lift in the opposite direction.

Optionally, the moving wheel group includes: a drive mechanism and at least two sets of moving wheels; the two groups of moving wheels are respectively arranged at the front end or the rear end of the frame; the driving mechanism drives one group of the moving wheels to roll so that the flaw detection vehicle runs on the steel rail.

Optionally, the drive mechanism comprises: a drive device; the driving wheel is connected with the driving device, and the driving device drives the driving wheel to rotate; the driven wheel is connected with one group of the moving wheels; and the transmission belt is connected with the driving wheel and the driven wheel so as to enable the driving wheel to rotate to drive the driven wheel to rotate, and further enable the moving wheel to move on the steel rail.

Furthermore, the surface of the moving wheel is provided with a plurality of convex anti-skid convex points.

Optionally, the inspection assembly comprises: the flaw detection plate is arranged on the frame; and the flaw detection head is arranged on the flaw detection plate.

Optionally, the flaw detection vehicle further comprises a positioner, and the positioner is mounted to the frame.

The flaw detection vehicle comprises a vehicle frame, a movable wheel set, flaw detection assemblies and supporting mechanisms, wherein the movable wheel set is arranged at the bottom of the vehicle frame; according to the technical scheme, the movable wheel set and the supporting mechanism are arranged on the frame, the movable wheel set can independently and automatically move on the steel rail, the supporting mechanism is in rolling contact with the side face of the steel rail to guarantee stable running of the flaw detection vehicle, the flaw detection vehicle is provided with the flaw detection assembly on the frame, and therefore the flaw detection vehicle can independently and automatically run on a single rail for flaw detection, manual following is not needed, working efficiency is improved, the structure is compact, manufacturing cost is low, and stability is higher.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of an embodiment of the flaw detection vehicle of the present invention;

FIG. 2 is a schematic structural view of a flaw detection vehicle according to one embodiment of the present invention in a side view;

FIG. 3 is a schematic structural view of the flaw detection vehicle according to another embodiment of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3;

FIG. 5 is a schematic structural diagram of a moving wheel according to an embodiment of the present invention.

The reference numbers illustrate:

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The invention provides a flaw detection vehicle 100. Referring to fig. 1 to 5, fig. 1 is a schematic structural view of an embodiment of a flaw detection vehicle 100 of the present invention; FIG. 2 is a schematic side view of a flaw detection vehicle 100 according to an embodiment of the present invention; FIG. 3 is a schematic structural diagram of the flaw detection vehicle 100 of the present invention from another perspective; FIG. 4 is an enlarged view of the structure at A in FIG. 3; fig. 5 is a schematic structural diagram of an embodiment of the moving wheel 22 of the present invention.

In an embodiment of the present invention, as shown in fig. 1, a flaw detection vehicle 100 according to the present invention includes:

the steel rail track comprises a frame 10 and a movable wheel set 20, wherein the movable wheel set 20 is arranged at the bottom of the frame 10, and the movable wheel set 20 is in rolling contact with the upper end surface of a steel rail; the flaw detection assembly 30 is arranged on the frame 10; the supporting mechanisms 40 are arranged on two sides of the frame 10, and the supporting mechanisms 40 are in rolling contact with the side surfaces of the steel rails.

According to the technical scheme, the moving wheel set 20 and the supporting mechanism 40 are arranged on the frame 10, the moving wheel set 20 can independently and automatically move on a steel rail, the supporting mechanism 40 is in rolling contact with the side face of the steel rail to guarantee stable running of the flaw detection vehicle 100, the flaw detection vehicle 100 is provided with the flaw detection assembly 30 on the frame 10, and therefore the flaw detection vehicle 100 can independently and automatically run on a single rail for flaw detection, manual following is not needed, working efficiency is improved, the structure is compact, manufacturing cost is low, and stability is stronger.

The frame 10 is of a square structure and is easy to carry; and the interior of the frame 12 is divided into two hollow accommodating spaces by the partition plate 12.

The flaw detection unit 30 of the present invention is provided at the front end of the vehicle body frame 10 via the flaw detection plate 31, which is connected to the bulkhead 12 of the vehicle body frame 10. The flaw detection plate 31 may be fixedly connected to the partition 12, or may be movably connected to the partition 12. When the flaw detection plate 31 is installed on the frame 10 in a movable connection mode, the flaw detection plate 31 can be turned upwards to open the front end visual angle at the bottom of the frame 10, and the view that the flaw detection plate 31 shields an operator to observe the supporting mechanism 40 is reduced.

In one embodiment, when the flaw detection vehicle 100 detects flaws, the moving wheel set 20 is in rolling contact with the upper end surface of a rail, so that the flaw detection vehicle 100 runs on a single rail, and the end portion of the supporting mechanism 40 is in rolling contact with the side surface of the rail when detecting flaws, so that smooth running of the flaw detection vehicle 100 is maintained.

Wherein the moving wheel set 20 is mainly used for moving and guiding on the steel rail.

In order to ensure that the flaw detection vehicle 100 can be stably held on the rail and that the flaw detection vehicle 100 can be carried off the rail when not in use, the supporting mechanism 40 includes: a telescopic assembly 41, wherein the telescopic assembly 41 is mounted on the frame 10; and the supporting component 42 is connected with the telescopic component 41, and the telescopic component 41 stretches and retracts to drive the supporting component 42 to lift or descend.

Specifically, when the flaw detection vehicle 100 is used, the flaw detection vehicle 100 is placed on a unilateral steel rail, the movable wheel set 20 is in contact with the upper end face of the steel rail, the telescopic rod 411 assembly extends, the supporting assembly 42 turns downwards and the supporting assembly 42 can abut against two sides of the middle of the steel rail, and the flaw detection vehicle 100 can keep stable on the steel rail through the position blocking effect of the supporting assembly 42.

After flaw detection is finished, the telescopic assemblies 41 shrink, the supporting assemblies 42 rotate upwards and lift up, the supporting assemblies 42 do not abut against two sides of the middle of the steel rail any more, the flaw detection vehicle 100 is convenient to carry off from the steel rail, operation is convenient, and stability is good.

In an embodiment, the telescopic assembly 41 is provided with a telescopic tube structure, although the application is not limited thereto, in other embodiments, the telescopic assembly 41 may be provided with a manipulator structure, and the telescopic assembly 41 is mainly used for installing and lifting the supporting assembly 42.

In order to maintain a smooth driving of the flaw detection vehicle 100. The support assembly 42 includes: the arm protection rod 420 and the rotating shaft 424, the rotating shaft 424 is movably connected with the arm protection rod 420, and the telescopic assembly 41 is connected with the rotating shaft 424, so that the telescopic assembly 41 can be telescopic to drive the arm protection rod 420 to turn over and lift or turn over and descend; and a side wheel 425, wherein the side wheel 425 is mounted on the arm-protecting lever 420, and the side wheel 425 can be in rolling contact with the side surface of the steel rail.

In one embodiment, the supporting mechanism 40 is installed on both sides of the frame 10, the supporting assembly 42 is installed on both sides of the frame 10 through the telescopic assembly 41, the two ends of the rotating shaft 424 of the supporting assembly 42 are respectively installed with a protective arm rod 420, each protective arm rod 420 is installed with a side wheel 425, that is, the flaw detection vehicle 100 is provided with 4 side wheels 425 in total.

Of course, the present application is not limited thereto, and in other embodiments, the number of the supporting mechanisms 40 may be two, three, six or more.

Further, the support assembly 42 further includes a fixing block 431, the fixing block 431 is mounted on the frame 10, and both ends of the rotating shaft 424 are connected to the outer side wall of the frame 10 through the fixing block 431.

In one embodiment, the rotating shaft 424 is provided with two positioning rods, a bearing is disposed in the fixing block 431, one of the positioning rods is connected to the telescopic assembly 41, and the other positioning rod is mounted on the bearing, and the positioning rod can be rotatably connected to the fixing block 431, so that the rotating shaft 424 is rotatably connected to the fixing block 431.

The structure of the rotating shaft 424 may be a connecting plate structure, and the fixing block 431 is rotatably connected to the rotating shaft 424. One side of the rotating shaft 424 is connected to the telescopic assembly 41, so that the telescopic assembly 41 only acts on one side of the rotating shaft 424, and the other side of the rotating shaft 424 is not lifted or pressed by the telescopic assembly 41, so that when the telescopic assembly 41 retracts, one side of the rotating shaft 424 is lifted, and the rotating shaft 424 and the side wheels 425 are turned over in a direction away from the steel rail; when the telescopic assembly 41 is extended, one side of the rotating shaft 424 is pressed, and the rotating shaft 424 and the side wheels 425 are turned in a direction close to the steel rail. Of course, the structure of the rotation shaft 424 is not limited thereto.

When the flaw detection vehicle 100 moves, the side wheels 425 can roll on the steel rails, and the side wheels 425 can play a limiting role and do not prevent the moving wheel set 22 and the flaw detection vehicle 100 from moving.

In order to prevent the supporting component 42 from being loosened or damaged by the reaction force after the side wheel 425 hits the steel rail due to gravity during the turning and descending process of the supporting component 42, the armguard bar 420 comprises: the rod body 421, the rod body 421 is provided with a chute 422; and an elastic member 423, wherein the elastic member 423 is accommodated in the slide groove 422, and the elastic member 423 is connected to the side wheel 425.

In one embodiment, the elastic member 423 is a spring. Because the elastic member 423 is installed on the arm-protecting rod 420, after the side wheel 425 butts against the steel rail, the elastic member 423 buffers the reaction force applied to the side wheel 425, and after the reaction force required to be applied to the rod body 421 of the supporting component 42 is buffered, the connection between the supporting component 42 and the telescopic component 41 is still stable and is not easy to be knocked loose.

A sliding groove 422 provided in the lever main body 421, and the elastic member 423 is accommodated in the sliding groove 422 such that the elastic member 423 is restricted from moving in the sliding groove 422.

To mount the side wheel 425 to the lever body 421, the side wheel 425 includes: mounting bracket 426 and roller 430; wherein said mounting bracket 426 comprises a mounting ear 427 and a connecting rod 428, said roller 430 is mounted to said mounting ear 427, said connecting rod 428 is fixedly connected to said mounting ear 427, said connecting rod 428 comprises a slider 429; the slider 429 is connected to the elastic member 423, and the slider 429 slides in the slide groove 422 under the pulling of the elastic member 423.

Specifically, the sliding block 429 of the mounting ear 427 is connected to the elastic member 423, and the sliding block 429 is only located in the sliding groove 422, so as to limit the rebound range of the side wheel 425 when being rebounded by the rebounding force of the elastic member 423. The elastic member 423 is provided inside the slide groove 422, one end of the elastic member 423 is connected to a bottom wall of the slide groove 422, and the other end of the elastic member 423 is connected to the slider 429.

To mount the telescoping assembly 41 to the vehicle frame 10, the telescoping assembly 41 includes: a fixing seat 410, wherein the fixing seat 410 is mounted on the frame 10; and one end of the telescopic rod 411 is connected with the fixed seat 410, the other end of the telescopic rod 411 is connected with the rotating shaft 424, the telescopic rod 411 extends out to drive the rotating shaft 424 to overturn and descend, and the telescopic rod 411 retracts to drive the rotating shaft 424 to overturn and lift in the opposite direction.

The telescopic rod 411 may be a telescopic tube made of stainless steel or plastic, and the material of the telescopic tube may be stainless steel or plastic.

Specifically, the fixing seat 410 is movably connected to the telescopic rod 411, and the telescopic rod 411 is connected to the rotating shaft 424 of the supporting component 42 and located in the middle of the rotating shaft 424.

In order to drive the flaw detection vehicle 100 to move on the steel rail, so as to realize that the flaw detection vehicle 100 independently and automatically runs on the steel rail without manpower push, the moving wheel set 20 comprises: a drive mechanism 21 and at least two sets of moving wheels 22; wherein, two sets of the moving wheels 22 are respectively installed at the front end or the rear end of the frame 10; the driving mechanism 21 drives one set of the moving wheels 22 to roll, so that the flaw detection vehicle 100 runs on the steel rail.

Of course, the present application is not limited thereto, and in other embodiments, the number of the moving wheels 22 may be three, four, five or more.

In one embodiment, the driving mechanism 21 drives the moving wheel 22 mounted to the rear end of the frame 10 to roll on a rail, the flaw detection vehicle 100 runs on the rail, the flaw detection module 30 detects flaws on the rail, and the supporting mechanism 40 abuts on the rail to maintain smooth running of the flaw detection vehicle 100.

In one embodiment, each set of moving wheels 22 is composed of two rotating wheels 221 mounted on a wheel shaft 222, and the two rotating wheels 221 rotate synchronously through the wheel shaft 222.

Further, the surface of the moving wheel 22 is provided with a plurality of convex anti-slip bumps 220. The anti-slip bumps 220 may be distributed in various patterns, and the anti-slip bumps 220 increase the friction force between the flaw detection vehicle 100 and the steel rail. In one embodiment, the anti-slip bumps 220 are made of rubber.

For driving one of the sets of moving wheels 22, the driving mechanism 21 comprises: the driving wheel 211 is connected with the driving device 210, and the driving device 210 drives the driving wheel 211 to rotate; a driven wheel 212, wherein the driven wheel 212 is connected with one group of the moving wheels 22; and the transmission belt 213 is connected with the driving wheel 211 and the driven wheel 212, so that the driving wheel 211 rotates to drive the driven wheel 212 to rotate, and the moving wheel 22 moves on the steel rail.

In an embodiment, the driving device 210 is a motor, and may be a servo motor.

Further, a partition plate 12 is installed in the vehicle frame 10, the driving device 210 is installed on the partition plate 12, the moving wheel set 20 is installed below the partition plate 12, and the partition plate 12 is mainly used for installing the driving device 210 and partitioning the moving wheel set 20.

The driving device 210 is installed at the upper end of the partition 12, the output end of the driving device 210 is connected with the driving wheel 211, the driven wheel 212 is arranged on the wheel axle 222 of the moving wheel 22, the driving wheel 211 and the driven wheel 212 are driven by the transmission belt 213, and specifically, the partition 12 is provided with a through hole for the transmission belt 213 to pass through.

In addition to this embodiment, the driving mechanism 21 may use a chain instead of the driving belt 213, and use gears instead of the driving gear 211 and the driven gear 212, so that the driving gear and the driven gear are driven by the chain, and the driving and driving by the chain and the gears can stably control the rotation speed of the moving wheel 22.

For flaw detection on a steel rail, the inspection assembly 30 comprises: a flaw detection plate 31, wherein the flaw detection plate 31 is arranged on the frame 10; and a flaw detection head 32, wherein the flaw detection head 32 is attached to the flaw detection plate 31, and the flaw detection head 32 detects flaws on a steel rail.

In one embodiment, the inspection head 32 is ultrasonic inspection and/or electromagnetic inspection.

Further, handles 11 are symmetrically arranged at two ends of the top of the frame 10, so that an operator can conveniently carry and move the flaw detection vehicle 100.

When the flaw detection vehicle 100 needs to be used, the flaw detection vehicle 100 is placed on a one-side steel rail, the rotating wheel 221 of the moving wheel set 20 is in contact with the upper end surface of the steel rail, the telescopic rod 411 of the telescopic assembly 41 extends to rotate the arm protection rods 420 on the two sides of the frame 10 downwards, and then the side wheels 425 at the lower end of the arm protection rods 420 abut against the two sides of the middle part of the steel rail; at this time, the elastic member 423 is in a compressed state so that the side wheel 425 can be closely attached to the rail, and the side wheel 425 has an elastic movement range of one end, so that the flaw detection vehicle 100 can be stably maintained on the rail.

And then, the driving device 210 is started, the driving wheel 211 is driven by the driving device 210 to rotate, the driving wheel 211 drives the driven wheel 212 and the wheel shaft 222 on the moving wheel 22 to rotate through the transmission belt 213, so that the rotating wheel 221 of the moving wheel 22 rotates at the upper end of the steel rail, and the flaw detection vehicle 100 runs on the steel rail.

Then, the ultrasonic or electromagnetic flaw detection head 32 at the end of the frame 10 of the flaw detection vehicle 100 detects flaws on the rails, and the flaw detection vehicle 100 has a function of automatically detecting flaws on the single track of the freight railway.

When the flaw detection work of the flaw detection vehicle 100 is finished, the telescopic rod 411 of the telescopic assembly 41 is contracted, the arm protection rods 420 on the two sides of the frame 10 of the flaw detection vehicle 100 rotate upwards and are lifted, the support assembly 42 does not collide with the steel rail any more, a worker can carry the flaw detection vehicle 100 from the steel rail, and the flaw detection vehicle 100 is convenient to operate and better in stability.

In order to facilitate the railway operation manager to accurately find the position of the rail flaw and facilitate later repair, the flaw detection vehicle 100 further comprises a positioner 50, and the positioner 50 is mounted on the vehicle frame 10.

The locator 50 is internally provided with a main chip, a positioning component and a wireless communication component, the main chip is connected with the positioning component and the wireless communication component, the positioning component is used for measuring the position information of the flaw detection vehicle 100 and the detected rail flaw information of the flaw detection vehicle 100, the wireless communication component is used for uploading the position information of the flaw detection vehicle 100 and the rail flaw information to a remote server in an operation management room, and freight railway operation managers can accurately find the flaw position of the rail, so that later repair is facilitated.

Further, a storage battery is arranged inside the frame 10 of the flaw detection vehicle 100, and the storage battery provides electric energy for the operation of the flaw detection vehicle 100.

Specifically, after flaw detection head 32 detects the flaw on the rail, fix a position the flaw position by GPS locating component, on 4G 5G communication component conveyed the flaw information to the remote server of freight railway operation management room again, the operation managers can watch through display terminal, the restoration in the later stage of being convenient for, whole flaw detection process need not artifical the following, has improved work efficiency, and compact structure, low in manufacturing cost.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.