CN217099970U - Track flaw detection vehicle - Google Patents

Abstract

The utility model relates to a track car of visiting, including the car frame of visiting a flaw, the mounting bracket of two bars, two sets of modules and two sets of interval automatically regulated telescopic component of visiting a flaw, the left and right sides lower part of the car frame of visiting a flaw is equipped with the track walking wheel that sets up around two respectively at the interval between its both ends, the fore-and-aft direction extension is followed respectively to two mounting brackets, and what be parallel to each other sets up in the left and right sides lower part of the car frame of visiting a flaw, two sets of modules of visiting a flaw assemble respectively at the lower extreme of two mounting brackets, two sets of interval automatically regulated telescopic component assemble respectively in visiting a flaw car frame both sides, and be connected with two mounting brackets respectively, interval automatically regulated telescopic component is used for driving rather than the mounting bracket of being connected and the module of visiting a flaw and removes along left and right directions. The advantages are that: structural design is reasonable, can adapt to the change of track gauge for the module of detecting a flaw remains throughout at the fore-and-aft relative position of track, keeps the stability of the module of detecting a flaw.

Description

Track flaw detection vehicle

Technical Field

The utility model relates to a technical field is detected a flaw to the track, in particular to track car of detecting a flaw.

Background

In the running process of a railway vehicle, a steel rail is continuously impacted by train wheels, damage can be generated in the steel rail, when the damage develops to a certain degree, the steel rail is cracked or broken, and the running safety is directly endangered, therefore, the flaw detection of the steel rail is strengthened, and the timely damage finding is the key for guaranteeing the railway transportation safety; the second type is a double-track flaw detector driven by a power battery, the detection speed is 15KM, four drivers drive the flaw detector, the flaw is high, and the price of each flaw detector is over 100 ten thousand; the method is not popular enough, i.e. the technical personnel for mastering operation and use are few, and in addition, the method can only detect the flaw of the steel rail base metal and can not detect the welding seam; the last mode is a fixed-point rechecking mode of an imported large-scale steel rail ultrasonic flaw detection vehicle and a trolley, the mode is used for flaw detection, the size is large, the accuracy is low, the cost and the maintenance requirements are higher, in addition, the rail bottom transverse lines in the range of the shadow area of the rail waist are abandoned, the flaw detection efficiency, the equipment cost, the flexible application and the convenient use are considered, and the mode becomes the problem needing to be solved in the flaw detection field.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a track flaw detection vehicle is provided, the effectual defect of overcoming prior art.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

the utility model provides a track car of visiting, including the car frame of detecting a flaw, the mounting bracket of two bars, two sets of modules and two sets of interval automatically regulated telescopic component of detecting a flaw, the left and right sides lower part of the car frame of detecting a flaw is equipped with the track walking wheel that sets up around two respectively at the interval between its both ends respectively, two above-mentioned mounting brackets extend along the fore-and-aft direction respectively, and what be parallel to each other sets up in the left and right sides lower part of the car frame of detecting a flaw in the above-mentioned, two sets of above-mentioned modules of detecting a flaw are assembled respectively at the lower extreme of two above-mentioned mounting brackets, two sets of above-mentioned interval automatically regulated telescopic component assemble respectively in the above-mentioned car frame both sides of detecting a flaw, and be connected with two above-mentioned mounting brackets respectively, above-mentioned interval automatically regulated telescopic component is used for driving rather than the above-mentioned mounting bracket of being connected and the above-mentioned module of detecting a flaw and removes along the left and right directions.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, the automatic interval adjusting telescopic assembly comprises two slide rails, a Y-axis mechanism, two upright posts and two wedge blocks, wherein the two slide rails extend along the left-right direction and are arranged at intervals along the front-back direction, one ends of the two slide rails are respectively connected with the corresponding sides of the flaw detection vehicle frame in a sliding manner along the left-right direction, the other end of one slide rail is rotatably connected with the upper end of the mounting frame, the Y-axis mechanism is assembled at the other end of the other slide rail, the Y-axis mechanism is rotatably connected with the upper end of the mounting frame and is used for allowing the mounting frame to have displacement allowance along the front-back direction, the two upright posts are respectively vertically arranged and are respectively arranged at the other ends of the two slide rails in a one-to-one correspondence manner, the two wedge blocks are respectively fixed at the lower ends of the two upright posts in a one-to-one correspondence manner, and rollers in rolling contact with the inner sides of the rails are respectively arranged at one sides of the two wedge blocks close to the flaw detection vehicle frame And an elastic piece which can stretch left and right is connected between the upright post and the side end of the flaw detection vehicle frame.

Further, the elastic member is a spring.

Furthermore, the other ends of the two slide rails are respectively provided with a fixed seat, the upper end of the mounting rack is respectively provided with connecting seats in one-to-one correspondence with the fixed seats, the fixed seat at the other end of one slide rail is rotatably connected with the upper end of the corresponding connecting seat, the Y-axis mechanism is assembled at the lower end of the fixed seat at the other end of the other slide rail, and the Y-axis mechanism is rotatably connected with the upper end of the remaining connecting seat.

Furthermore, the fixed seat at the other end of one of the slide rails is rotatably connected with the upper end of the corresponding connecting seat through a bearing, and the lower end of the Y-axis mechanism is rotatably connected with the upper end of the rest connecting seat through a bearing.

Further, the Y-axis mechanism is a cross roller guide.

Further, the two sides of the flaw detection vehicle frame are respectively provided with a sliding block which is in one-to-one correspondence with the sliding rails, and one end of each sliding rail is in sliding connection with the corresponding sliding block and can slide left and right along the sliding block.

Furthermore, the middle part of one side of the wedge block, which is close to the track, protrudes, both ends of the protruding part, which face the wedge block, are provided with slope surfaces, a notch is arranged at the protruding part, and the roller is rotatably embedded in the notch.

Further, the flaw detection module comprises a plurality of flaw detectors, and the plurality of flaw detectors are mounted at the lower end of the mounting frame at intervals in the front-back direction.

Further, the flaw detector is an ultrasonic flaw detector or an eddy current flaw detector.

The utility model has the advantages that: structural design is reasonable, can adapt to the change of track gauge for the module of detecting a flaw remains throughout at the fore-and-aft relative position of track, keeps the stability of the module of detecting a flaw.

Drawings

Fig. 1 is a schematic structural view of the rail flaw detection vehicle of the present invention;

fig. 2 is a schematic view of a local structure of the single-sided flaw detection module and the frame of the flaw detection vehicle in the rail flaw detection vehicle of the present invention;

FIG. 3 is a schematic view of the structure of the rail flaw detection vehicle center pillar and the wedge-shaped block in cooperation with the rail;

fig. 4 is a schematic cross-sectional structure diagram of the rail flaw detection vehicle of the present invention when the slide rail end and the Y-axis mechanism are connected to the mounting seat.

In the drawings, the components represented by the respective reference numerals are listed below:

1. flaw detection vehicle frame; 2. a mounting frame; 3. a flaw detection module; 4. the distance automatic adjusting telescopic assembly; 5. a track; 11. a track traveling wheel; 12. a slider; 21. a connecting seat; 41. a slide rail; 42. a Y-axis mechanism; 43. a column; 44. a wedge block; 45. a roller; 46. an elastic member; 411. a fixed seat.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Example (b): as shown in fig. 1, 2 and 3, the rail flaw detection vehicle of the embodiment comprises a flaw detection vehicle frame 1, two strip-shaped mounting frames 2, two sets of flaw detection modules 3 and two sets of automatic spacing adjustment telescopic assemblies 4, the lower parts of the left side and the right side of the flaw detection vehicle frame 1 are respectively provided with two track traveling wheels 11 which are arranged in the front and the back at intervals between the two ends of the flaw detection vehicle frame, the two mounting frames 2 respectively extend along the front and the back direction, and are arranged at the lower parts of the left and right sides of the flaw detection vehicle frame 1 in parallel, two groups of flaw detection modules 3 are respectively assembled at the lower ends of the two mounting brackets 2, two groups of automatic distance adjusting telescopic assemblies 4 are respectively assembled at the two sides of the flaw detection vehicle frame 1, and are connected with two above-mentioned mounting brackets 2 respectively, and above-mentioned interval automatically regulated telescopic component 4 is used for driving above-mentioned mounting bracket 2 and the above-mentioned module 3 of detecting a flaw connected with it and removes along left and right directions.

The flaw detection process is as follows:

put whole flaw detection car frame 1 in advance to the top of waiting to detect two tracks 5, and make the track walking wheel 11 of the 1 left and right sides lower part of flaw detection car frame roll and support in two track 5 upper ends, and simultaneously, the module 3 of detecting a flaw of both sides laminates the upper portion of the track 5 that corresponds the side respectively, in the walking in-process along track 5, because the gauge between two track 5 can change the fluctuation, consequently, two sets of above-mentioned interval automatically regulated subassemblies 4 can the automatically regulated mounting bracket 2 of both sides change along with the gauge change of two track 5, thereby ensure that the module 3 of detecting a flaw on the mounting bracket 2 is located the vertical specific position in track 5 upper end (the direction of crossing track 5) all the time, keep detecting stability of the module 3 of detecting a flaw.

As a preferred embodiment, as shown in fig. 2, 3 and 4, the automatic distance adjusting telescopic assembly 4 includes two slide rails 41, a Y-axis mechanism 42, two columns 43 and two wedges 44, wherein the two slide rails 41 extend in the left-right direction and are spaced apart from each other in the front-rear direction, one ends of the two slide rails 41 are slidably connected to the corresponding sides of the vehicle frame 1 in the left-right direction, respectively, the other end of one slide rail 41 is rotatably connected to the upper end of the mounting frame 2, the Y-axis mechanism 42 is mounted to the other end of the other slide rail 41, the Y-axis mechanism 42 is rotatably connected to the upper end of the mounting frame 2, the Y-axis mechanism 42 is configured to allow the mounting frame 2 to have a displacement margin in the front-rear direction, the two columns 43 are vertically arranged and are mounted to the other ends of the two slide rails 41 in a one-to-one correspondence manner, the two wedge blocks 44 are respectively fixed at the lower ends of the two upright posts 43 in a one-to-one correspondence manner, rollers 45 which are in rolling contact with the inner side of the rail 5 are respectively arranged at one side of the two wedge blocks 44 close to the flaw detection vehicle frame 1, and an elastic piece 46 which can stretch left and right is connected between the upright posts 43 and the side end of the flaw detection vehicle frame 1.

The above embodiment discloses a specific structure of the automatic distance adjusting telescopic assembly 4, specifically: because the elastic member 46 is always in a compressed state, under the elastic force of the elastic member 46, the roller 45 on the wedge block 44 always rolls and adheres to the inner side surface of the corresponding side rail 5, that is, when the track pitch of the two rails 5 changes, the elastic force of the elastic member 46 drives the upright column 43 and the slide rail 41 to move in the left/right direction, so that the roller 45 always adheres to the inner side surface of the corresponding side rail 5, because the positions of the mounting frame 2 and the flaw detection module 3 relative to the roller 45 (wedge block 44) are unchanged, under the condition that the relative position between the roller 45 and the rail 5 is unchanged, the longitudinal position of the flaw detection module 3 on the upper surface of the rail 5 is also unchanged, so that the flaw detection module 3 is always in a specific position in the longitudinal direction of the rail 5, the flaw detection stability of the flaw detection module 3 is maintained, and further, because there is a gap between the two slide rails 41, when the gauge between track 5 changes, can take place two slide rails 41 and remove the inconsistent condition of displacement about, consequently, the swing displacement volume of mounting bracket 2 can be satisfied in the design of Y axle mechanism 42 and the swivelling joint of mounting bracket 2 and slide rail 41, the phenomenon that mounting bracket 2 drew for slide rail 41 rigidity can not appear, whole structural design is very reasonable, the elasticity that utilizes elastic component 46 can keep detecting a flaw the relative track 5 of module 3's displacement inconvenient, very ingenious.

It should be added that: the design of the Y-axis mechanism 42 allows the mounting bracket 2 to move forward and backward relative to the slide rail 41 connected to the Y-axis mechanism 42, so that the requirement of the movement margin during the displacement adjustment of the mounting bracket 2 can be met, and the mounting bracket 2 can rotate relative to the slide rail 41 and can cater for the left and right inclination of the mounting bracket 2 relative to the front and back directions (in this state, the length of the two elastic members 46 is generally inconsistent).

In this embodiment, the elastic member 46 is a conventional spring, which is disposed transversely in the left-right direction and has both ends connected to the pillar 43 and the side end of the flaw detection vehicle frame 1, respectively.

As a preferred embodiment, the other ends of the two slide rails 41 are respectively assembled with a fixing seat 411, the upper ends of the mounting brackets 2 are respectively assembled with connecting seats 21 corresponding to the fixing seats 411 one by one, the fixing seat 411 at the other end of one of the slide rails 41 is rotatably connected with the upper end of the corresponding connecting seat 21, the Y-axis mechanism 42 is assembled at the lower end of the fixing seat 411 at the other end of the other slide rail 41, and the Y-axis mechanism 42 is rotatably connected with the upper end of the remaining one of the connecting seats 21.

In the above embodiment, the end of the slide rail 41 is provided with the fixing seat 411, which facilitates the assembly with the Y-axis mechanism 42 and the connecting seat 21.

In a preferred embodiment, the fixing seat 411 at the other end of one of the slide rails 41 is rotatably connected to the upper end of the corresponding connecting seat 21 through a bearing, and the lower end of the Y-axis mechanism 42 is rotatably connected to the upper end of the remaining connecting seat 21 through a bearing.

In the above embodiment, the mounting bracket 2 is connected with the slide rail 41 in a manner of bearing, so that the rotation is more flexible.

In this embodiment, the Y-axis mechanism 42 may be a conventional cross roller guide, and the fixed portion of the cross roller guide is rotatably connected to the lower end of the corresponding fixing seat 411, and the flexible portion thereof is connected to the upper end of the corresponding connecting seat 21.

In a preferred embodiment, sliders 12 corresponding to the slide rails 41 are respectively mounted on both sides of the vehicle frame 1 of the flaw detection vehicle, and one end of each slide rail 41 is slidably connected to the corresponding slider 12 and can slide left and right along the slider 12.

In the above embodiment, by the connection and cooperation of the slide rail 41 and the slider 12, the slide rail 41 can slide left and right relative to the flaw detection vehicle frame 1 well, and the assembly is easy.

In a preferred embodiment, the wedge block 44 protrudes from a middle portion of the side close to the rail 5, and both ends of the protruding portion facing the wedge block 44 are provided with slope surfaces, the protruding portion is provided with a notch, and the roller 45 is rotatably fitted in the notch.

In the above embodiment, the side of the wedge block 44 close to the rail 5 is provided with a slope surface which is inclined and thinned towards the two ends, so as to avoid the rail 5 from touching the end of the wedge block 44 at the curved section, and meanwhile, the roller 45 is easy to be matched with the inner side of the rail 5 in a rolling way.

In this embodiment, above-mentioned module 3 of detecting a flaw includes a plurality of flaw detectors, and a plurality of above-mentioned flaw detectors are all installed in above-mentioned 2 lower extremes of mounting bracket along back and forth direction interval through the flaw detector mounting bracket to, the flaw detector all installs on the flaw detector mounting bracket through the elastic component, and when the flaw detector laminating in track 5 upper end, the elastic component is in the compression state, gives a decurrent elasticity to the flaw detector all the time, makes its elasticity support and lean on in track 5 upper end.

In this embodiment, the flaw detector is a conventional ultrasonic flaw detector or eddy current flaw detector, and an upper computer is arranged on the flaw detection vehicle frame 1 and connected with the ultrasonic flaw detector or eddy current flaw detector.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only 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 the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. A rail flaw detection vehicle is characterized in that: comprises a flaw detection vehicle frame (1), two strip-shaped mounting frames (2), two flaw detection modules (3) and two automatic distance adjusting telescopic assemblies (4), the lower parts of the left side and the right side of the flaw detection vehicle frame (1) are respectively provided with two track traveling wheels (11) which are arranged in the front and the back at intervals between the two ends of the flaw detection vehicle frame, the two mounting frames (2) respectively extend along the front and the back direction, the flaw detection modules (3) are respectively assembled at the lower ends of the two mounting frames (2), the two automatic spacing adjustment telescopic assemblies (4) are respectively assembled at the two sides of the flaw detection vehicle frame (1), and the distance automatic adjusting telescopic assembly (4) is used for driving the mounting rack (2) connected with the distance automatic adjusting telescopic assembly and the flaw detection module (3) to move along the left and right directions.

2. The rail flaw detection vehicle of claim 1, wherein: the automatic interval adjusting telescopic assembly (4) comprises two sliding rails (41), a Y-axis mechanism (42), two upright posts (43) and two wedge blocks (44), wherein the two sliding rails (41) extend along the left-right direction and are arranged at intervals along the front-back direction, one end of each sliding rail (41) is respectively connected with the corresponding side of the flaw detection vehicle frame (1) in a sliding mode along the left-right direction, the other end of each sliding rail (41) is connected with the upper end of the mounting rack (2) in a rotating mode, the Y-axis mechanism (42) is assembled at the other end of each sliding rail (41), the Y-axis mechanism (42) is connected with the upper end of the mounting rack (2) in a rotating mode, the Y-axis mechanism (42) is used for allowing the mounting rack (2) to have displacement allowance along the front-back direction, the two upright posts (43) are respectively vertically arranged and are installed at the other ends of the two sliding rails (41) in a one-to-one correspondence mode, two wedge (44) are fixed respectively one-to-one the lower extreme of stand (43), two one side that wedge (44) are close to flaw detection car frame (1) is equipped with respectively with track (5) inboard rolling contact's gyro wheel (45), stand (43) with be connected with flexible elastic component (46) about can controlling between the side of flaw detection car frame (1).

3. The rail flaw detection vehicle of claim 2, wherein: the elastic member (46) is a spring.

4. The rail flaw detection vehicle of claim 2, wherein: two the other end of slide rail (41) is equipped with fixing base (411) respectively, the upper end of mounting bracket (2) be equipped with respectively with connecting seat (21) of fixing base (411) one-to-one, one of them slide rail (41) other end fixing base (411) with correspond the upper end swivelling joint of connecting seat (21), Y axle mechanism (42) assemble in another one the slide rail (41) other end fixing base (411) lower extreme, Y axle mechanism (42) with the remaining one the upper end swivelling joint of connecting seat (21).

5. The rail flaw detection vehicle of claim 4, wherein: the fixed seat (411) at the other end of one of the slide rails (41) is rotatably connected with the upper end of the corresponding connecting seat (21) through a bearing, and the lower end of the Y-axis mechanism (42) is rotatably connected with the upper end of the rest connecting seat (21) through a bearing.

6. The rail flaw detection vehicle of claim 2, wherein: the Y-axis mechanism (42) is a cross roller guide rail.

7. The rail flaw detection vehicle of claim 2, wherein: the two sides of the flaw detection vehicle frame (1) are respectively provided with a sliding block (12) which is in one-to-one correspondence with the sliding rails (41), and one end of each sliding rail (41) is in sliding connection with the corresponding sliding block (12) and can slide left and right along the corresponding sliding block (12).

8. The rail flaw detection vehicle of claim 2, wherein: wedge (44) are close to one side middle part of track (5) and are outstanding, and the protruding portion orientation the both ends of wedge (44) all establish to the ramp surface, protruding portion department is equipped with the breach, just rotatable inlay in the breach is equipped with gyro wheel (45).

9. The rail flaw detection vehicle according to any one of claims 1 to 8, wherein: the flaw detection module (3) comprises a plurality of flaw detectors, and the flaw detectors are installed at the lower end of the mounting frame (2) at intervals in the front-back direction.

10. The rail-mounted flaw detection vehicle of claim 9, wherein: the flaw detector is an ultrasonic flaw detector or an eddy current flaw detector.

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