Defectoscope and inspection car
Technical field
The utility model is related to the technical field of track defect-detecting equipment, more particularly, to a kind of defectoscope and inspection car.
Background technology
Track is the main building block of railroad track, its role is to guide train wheel to advance, and bears to come from wheel
Immense pressure, and pressure is transferred on sleeper.Train in acceleration and braking procedure and by track seam, bend and
During turnout, track can be caused to rub, extrude, bend and percussion, under these effects, track inevitably produces tired
Strain wound and defect.In order to ensure the safe operation of train, the railway system needs often to carry out carrying out flaw detection to track, to detect
The fatigue failure and weld defect of (including near joints) in the range of the rail head and the web of the rail of track, and flange of rail corrosion and crescent moon fall
Block, crushing of rail head equivalent damage situation, to adopt remedial measures in time.
With the increase and the raising of train running speed of China's train operation mileage, track injuring speed is gradually accelerated,
Requirement to track detecting is also gradually stepped up, and the inspection car for being provided with ultrasound examination mechanism has obtained promotion and application.Ultrasound
Wave inspection car damages the ultrasonic echo of reflection to detect the damage of track according to track, when carrying out track flaw detection, it is necessary to make to surpass
The geometric center lines in sonic probe alignment rail section, if track is not damaged, ultrasonic probe, which can just be received, to be compared
Strong flange of rail echo-signal, if track has damage, ultrasonic probe will receive damage echo-signal, so as to detect errant
Damage.Typically use wheel seach unit on existing inspection car, to ensure when using wheel seach unit flaw detection wheel all the time with track
Contact, to ensure that wheel seach unit can be detected to track.But after flaw detection end-of-job, if flaw detection wheel is gone back and track
It is permanently connected to, then can causes abrasion to flaw detection wheel, damage is caused to flaw detection wheel.
Utility model content
The purpose of this utility model is to provide a kind of defectoscope and inspection car, and to improve in the prior art, inspection car exists
Terminate after flaw detection work, flaw detection wheel with rail contact, can still cause the technical problem of flaw detection foot wheel abrasion.
The utility model provides a kind of defectoscope, including is provided with the flaw detection wheel carrier of flaw detection wheel and is connected with inspection car
Fixed mount, adjustable shelf is provided between the flaw detection wheel carrier and the fixed mount;Set between the fixed mount and the adjustable shelf
Elevating mechanism is equipped with, the elevating mechanism lifts or fallen the adjustable shelf in the vertical direction.
Further, the adjustable shelf includes the first adjustable shelf and the second adjustable shelf;The side of first adjustable shelf with
The fixed mount connection, and can relatively described fixed mount activity;One end of second adjustable shelf is slidably arranged in described first
On adjustable shelf, the other end is fixedly connected with the flaw detection wheel carrier.
Further, the elevating mechanism includes elevating lever and fixture;The first end of the elevating lever is fixed on described
On first adjustable shelf, the second end is through the first through hole on the fixed mount, and second end can drive first activity
Frame is moved up and down;The fixture is used to the second end of the elevating lever being fixed on the fixed mount.
Further, the fixture is clamping block, and one end of the clamping block is fixing end, and the other end is movable end,
The fixing end is fixed on the fixed mount, and the movable end can be rotated around the fixing end, and setting on the movable end
Neck is equipped with, the neck is used for the second end for blocking the elevating lever.
Further, it is provided with connecting hole on the second end of the elevating lever;The fixture is to be arranged on the fixation
Hook on frame.
Further, the elevating mechanism includes being provided with threaded portion, the fixed mount on elevating lever, the elevating lever
It is provided with the screwed hole being engaged with the threaded portion;The first end of the elevating lever is rotatably fixed on first activity
On frame, the second end passes through the screwed hole on the fixed mount.
Further, the second end of the elevating lever is provided with grip part.
Further, hold-down mechanism is set between the fixed mount and the adjustable shelf, and the hold-down mechanism is used for perpendicular
Nogata oppresses the adjustable shelf upwards, makes the flaw detection wheel load that is connected with the adjustable shelf in the top surface of track.
Further, the adjustable shelf is provided with roller with one end that the flaw detection wheel carrier is connected;The fixed mount and institute
State and be provided between adjustable shelf horizontal pushing mechanism, the horizontal pushing mechanism is used to apply the adjustable shelf power to track, make described
Roller is against on the track.
The utility model also provides the defectoscope being provided with a kind of inspection car, the inspection car described in any of the above-described.
Defectoscope and inspection car that the utility model is provided, the defectoscope are arranged on the both sides of inspection car, in inspection car
Under drive, along track travel.The defectoscope includes the fixation for being provided with the flaw detection wheel carrier of flaw detection wheel and being connected with inspection car
Frame, adjustable shelf is provided between flaw detection wheel carrier and fixed mount;Elevating mechanism, elevating mechanism are provided between fixed mount and adjustable shelf
Lifted in the vertical direction or fall adjustable shelf.After flaw detection work is terminated, adjustable shelf can be lifted with elevating mechanism, entered
And the flaw detection wheel carrier being connected with adjustable shelf is driven, finally separate flaw detection wheel and track on flaw detection wheel carrier, can be effectively improved
Flaw detection wheel is gone back and rail contact after flaw detection end-of-job, causes the technical problem of flaw detection foot wheel abrasion, and extends wheel of detecting a flaw
Service life.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The accompanying drawing to be used needed for embodiment or description of the prior art is briefly described, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation for the defectoscope that the utility model embodiment 1 is provided;
Fig. 2 is the general assembly drawing of the fixed mount of defectoscope and adjustable shelf shown in Fig. 1;
Fig. 3 is the structural representation of the first adjustable shelf of defectoscope shown in Fig. 1;
Fig. 4 is the structural representation of the second adjustable shelf of defectoscope shown in Fig. 1;
Fig. 5 is the first structural representation of the elevating mechanism of defectoscope shown in Fig. 1;
Fig. 6 is second of structural representation of the elevating mechanism of defectoscope shown in Fig. 1;
Fig. 7 is the structural representation of the hold-down mechanism of defectoscope shown in Fig. 1;
Fig. 8 is the structural representation for the inspection car that the utility model embodiment 2 is provided.
Icon:10- flaw detection wheels;20- flaw detection wheel carriers;30- fixed mounts;The supporting plates of 31- first;32- cross bars;33- second
Fagging;The mounting grooves of 34- first;40- adjustable shelfs;The adjustable shelfs of 41- first;411- connecting plates;412- pedestals;413- fixing axles;
414- linear bearings;415- linear bearing seats;The mounting grooves of 416- second;The adjustable shelfs of 42- second;421- transverse arms;422- rectangular tubes;
423- roller support beams;The outer transverse slat of 424- support wheels;50- rollers;60- support wheels;71- elevating levers;72- clamping blocks;73- bulbs
Pull bar;74- grip parts;80- air bags;81- inflation inlets;90- pneumatic springs;100- defectoscopes;201- wheels;202- inspection car controls
Box processed;203- lotus roots close liquid bucket.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outer " are, based on orientation shown in the drawings or position relationship, to be only
Described for the ease of description the utility model and simplifying, rather than to indicate or imply that signified device or element must have specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection;Can be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
Embodiment 1
The present embodiment provides a kind of defectoscope 100, as shown in figure 1, including be provided with the flaw detection wheel carrier 20 of flaw detection wheel 10 with
And the fixed mount 30 being connected with inspection car, it is provided with adjustable shelf 40 between flaw detection wheel carrier 20 and fixed mount 30;Fixed mount 30 and work
Elevating mechanism is provided between moving frame 40, elevating mechanism lifts or fallen adjustable shelf 40 in the vertical direction.
The defectoscope 100 that the present embodiment is provided is arranged on the both sides of inspection car, under the drive of inspection car, along track row
Walk.The defectoscope 100 provided using the present embodiment, adjustable shelf 40 after flaw detection work is terminated, can be lifted with elevating mechanism, entered
And the flaw detection wheel carrier 20 that is connected with adjustable shelf 40 is driven, and finally separate flaw detection wheel 10 and track on flaw detection wheel carrier 20, can be with
It is effectively improved flaw detection wheel 10 after flaw detection end-of-job to go back and rail contact, causes the technical problem of the abrasion of flaw detection wheel 10, and prolong
The service life of flaw detection wheel 10 is grown.
Further, as shown in Fig. 2 adjustable shelf 40 includes the first adjustable shelf 41 and the second adjustable shelf 42;First adjustable shelf
41 side is connected with fixed mount 30, and can be relatively fixed the activity of frame 30;One end of second adjustable shelf 42 is slidably arranged in first
On adjustable shelf 41, the other end is fixedly connected with flaw detection wheel carrier 20.
In the present embodiment, specifically, as shown in Fig. 2 fixed mount 30 includes two the first supporting plates 31 being vertically arranged,
Connected between two the first supporting plates 31 by the cross bar 32 be arrangeding in parallel, in the present embodiment, the quantity of cross bar 32 is two,
It is arranged with parallel between two cross bars 32 between two the second supporting plates 33, two the second supporting plates 33 and is provided with the first mounting groove
34。
As shown in figure 3, the first adjustable shelf 41 includes two connecting plates 411 and pedestal 412 be arrangeding in parallel.Connecting plate 411
Bottom of the two ends respectively with two the first supporting plates 31 be flexibly connected, such as use mode connects for screw, enable connecting plate 411 relative
The activity of first supporting plate 31.The quantity of pedestal 412 is two, and one of pedestal 412 is fixedly connected with connecting plate 411, such as
Can weld or be integrally formed.It is arranged with parallel in two fixing axles 413, each fixing axle 413 and covers between two pedestals 412
Provided with linear bearing 414, the outside of each linear bearing 414 is also equipped with linear bearing seat 415, in pedestal 412 and fixing axle
Second mounting groove 416 parallel with the first mounting groove 34 is provided with 413 planes surrounded.
As shown in figure 4, the second adjustable shelf 42 includes putting down successively between two horizontally disposed transverse arms 421, two transverse arms 421
Row is provided with the outer transverse slat 424 of rectangular tube 422, roller support beam 423 and support wheel.Rectangular tube 422 is fixed with linear bearing seat 415
Roller 50 is provided with connection, roller support beam 423, support is provided between roller support beam 423 and the outer transverse slat 424 of support wheel
Wheel 60.
Further, elevating mechanism includes elevating lever 71 and fixture;The first end of elevating lever 71 is fixed on the first activity
On frame 41, the second end is through the first through hole on fixed mount 30, and the second end can drive the first adjustable shelf 41 to move up and down;It is fixed
Part is used to the second end of elevating lever 71 being fixed on fixed mount 30.In the present embodiment, specifically, as shown in Figure 2 and Figure 5,
First through hole is arranged on the first mounting groove 34, and the first end of elevating lever 71 is fixed by ball-head tension rod 73 is located at the second mounting groove
On 416.
Fixture can be the snap ring being separately provided, when needing to lift adjustable shelf 40, and snap ring is stuck in into the first mounting groove
Between 34 and the second end of elevating lever 71.In this embodiment, it is preferred that, as shown in figure 5, fixture is clamping block 72, clamping
One end of block 72 is fixing end, and the other end is movable end, and fixing end is fixed on fixed mount 30, specially the first mounting groove 34
On, movable end can be rotated around fixing end, and be provided with neck on movable end, and neck is used for the second end for blocking elevating lever 71.
Such set-up mode is avoided that fixture is lost, more convenient when in use.It is provided with second end of elevating lever 71
Pad, and pad with diameter greater than neck, prevent that the second end of elevating lever 71 from coming off from neck.
Connecting hole can also be set on the second end of elevating lever 71;Fixture can be the extension being arranged on fixed mount 30
Hook.When needing to lift adjustable shelf 40, connecting hole is tangled with hook.Certainly, hook can also be replaced with protruding shaft.
Elevating mechanism can also use following structures:As shown in fig. 6, elevating mechanism is included on elevating lever 71, elevating lever 71
It is provided with threaded portion, fixed mount 30 and is provided with the screwed hole being engaged with threaded portion;The first end of elevating lever 71 is rotatable
It is fixed on the first adjustable shelf 41, the second end passes through the screwed hole on fixed mount 30.Pass through 71 pair of first activity of rotation and lifting bar
Frame 41 applies upward or downward power, drives the flaw detection wheel carrier 20 being connected with adjustable shelf 40, flaw detection wheel 10 is pressed in track
Top surface or separated with track.In the present embodiment, specifically, screwed hole is arranged on the first mounting groove 34, elevating lever 71
First end rotatably fix on the second mounting groove 416.
Further, as shown in fig. 6, the second end of elevating lever 71 is provided with grip part 74, it is easy to rotation and lifting bar 71.Hold
It can be handwheel, crank etc. to hold portion 74.
Further, hold-down mechanism is set between fixed mount 30 and adjustable shelf 40, and hold-down mechanism is used in the vertical direction
Adjustable shelf 40 is oppressed, the flaw detection wheel 10 being connected with adjustable shelf 40 is pressed in the top surface of track., can not in inspection car running
Avoid that top mother-in-law can be produced so that flaw detection wheel 10 separates with rail top face and causes detection inaccurate.Set hold-down mechanism can effectively by
Flaw detection wheel 10 is pressed in the top surface of track, improves the accuracy of flaw detection work.
Further, hold-down mechanism includes flexible member, can be helical spring or pneumatic spring etc..
Preferably, as shown in fig. 7, hold-down mechanism is the air bag 80 with inflation inlet 81, aerating device such as inflator is passed through
Air bag 80 is inflated, by adjusting aeration quantity, the level of compression to adjustable shelf 40 can be flexibly controlled, make what is be connected with adjustable shelf 40
Flaw detection wheel 10 can be pressed on the top surface of track all the time, and the speed of service due to inspection car during flaw detection is very fast, gas
Capsule 80 can also play certain cushioning effect, make the operation of inspection car and defectoscope 100 more steady.
The specific connected mode of air bag 80 can be:The second through hole is provided with fixed mount 30;The inflation inlet 81 of air bag 80
Through the second through hole, and it is fixed on fixed mount 30;The bottom of air bag 80 is fixed on the first adjustable shelf 41.
In the present embodiment, specifically, the second through hole is arranged on the first mounting groove 34, and the inflation inlet 81 of air bag 80 is passed through
Second through hole is simultaneously bolted.The bottom of air bag 80 is bolted on the second mounting groove 416.This connected mode
It is more convenient that air bag 80 is inflated.It is of course also possible to which the two ends of air bag 80 are separately fixed at into the first mounting groove 34 and second
On mounting groove 416, inflation inlet 81 is arranged on the airbag body between the first mounting groove 34 and the second mounting groove 416.
Further, adjustable shelf 40 is provided with roller 50 with one end that flaw detection wheel carrier 20 is connected;Fixed mount 30 and adjustable shelf
Horizontal pushing mechanism is provided between 40, horizontal pushing mechanism is used to apply adjustable shelf 40 power to track, roller 50 is resisted against track
On.
, can be by horizontal pushing mechanism to work when the unstable generation of inspection car operation is jolted or track gauge changes
Moving frame 40 applies the power to track, moves the relative orbit of adjustable shelf 40, and then drive is arranged on the roller 50 on adjustable shelf 40,
Enable roller 50 all the time against in orbit, reaching makes flaw detection wheel 10 laterally retain the purpose on rail, effectively alleviate existing
When having inspection car progress track flaw detection in technology, make flaw detection wheel 10 because inspection car runs unstable and track gauge change
The technical problem fallen from track, improves the accuracy and security of flaw detection operation.
In this embodiment, it is preferred that, roller 50 is resisted against the inner side of track, can effectively prevent flaw detection wheel 10 from track
Fall inner side.It is of course also possible to make roller 50 be resisted against the outside of track or set two rollers 50 to bear against in track
Both sides, to adapt to different operating environments.
Further, horizontal pushing mechanism includes flexible member, can be helical spring or rubber rods etc..
Preferably, as shown in Figure 1 or 2, flexible member is pneumatic spring 90;One end of pneumatic spring 90 is fixed on fixation
On frame 30, the other end is fixed on the second adjustable shelf 42.Pneumatic spring 90 has speed relatively slow, dynamic compared with helical spring
The change of state power less, the advantages of be easily controlled, and itself is light, easy for installation, it is not necessary to which the structure to defectoscope 100 is made
Larger adjustment, you can realize and install, the weight of increase defectoscope 100 that also will not be excessive.
The specific connected mode of pneumatic spring 90 can be:One end of pneumatic spring 90 is bolted on fixed mount 30
The first supporting plate 31 on, the other end is bolted on the transverse arm 421 of the second adjustable shelf 42.When inspection car runs injustice
When steady and track gauge changes, pneumatic spring 90 promotes the side shifting to outside track of transverse arm 421, is connected with transverse arm 421
The side shifting to outside track of roller support beam 423, makes roller 50 be resisted against the inner side of track, effectively prevent flaw detection wheel 10 from track
On fall.
Horizontal pushing mechanism can also be telescopic push rod;One end of push rod is fixed on fixed mount 30, and the other end is fixed on
On second adjustable shelf 42.Preferably, push rod is electric pushrod.The features such as electric pushrod has small volume, high precision, can to by
Wheel 50 carries out more accurate regulation.
Horizontal pushing mechanism can also be expansion bracket;One end of expansion bracket is fixed on fixed mount 30, and the other end is fixed on second
On adjustable shelf 42.
In summary, the present embodiment provide defectoscope 100, including be provided with flaw detection wheel 10 flaw detection wheel carrier 20 and with
The fixed mount 30 of inspection car connection, adjustable shelf 40 is provided between flaw detection wheel carrier 20 and fixed mount 30;Fixed mount 30 and adjustable shelf
Elevating mechanism is provided between 40, elevating mechanism lifts or fallen adjustable shelf in the vertical direction.What the present embodiment was provided
Defectoscope 100 is arranged on the both sides of inspection car, under the drive of inspection car, along track travel.There is provided using the present embodiment
Defectoscope 100, after flaw detection work is terminated, can be lifted adjustable shelf 40 with elevating mechanism, and then drive is connected with adjustable shelf 40
Flaw detection wheel carrier 20, finally separate flaw detection wheel 10 and track on flaw detection wheel carrier 20, flaw detection end-of-job can be effectively improved
Flaw detection wheel is gone back and rail contact afterwards, causes the technical problem of flaw detection foot wheel abrasion, and extends the service life of flaw detection wheel.
Embodiment 2
The present embodiment provides a kind of inspection car, as shown in figure 8, being provided with the defectoscope described in embodiment 1 on inspection car
100。
The inspection car that the present embodiment is provided has the wheel 201 that can be walked in orbit, and in the both sides of inspection car
Defectoscope 100 is mounted on, under the drive of wheel 201, can realize that double track is detected a flaw, effectively save the working time, improve
Operating efficiency.
As shown in figure 8, be also equipped with inspection car control box 202 on inspection car, the effect of inspection car control box 202 be for
Control defectoscope 100 and related facility are powered and controlled the walking of inspection car, stop, and operating personnel can be according to detection event
Stop flaw detection at any time, be marked to hindering rail.
As shown in figure 8, lotus root is provided with inspection car closes liquid bucket 203, built-in lotus root closes liquid, is flaw detection in the process of flaw detection operation
Instrument 100 adds lotus root and closes liquid at any time.
Lotus root close liquid bucket 203 lower section be also equipped with detect a flaw vasculum, for gather flaw detection data, can with external processor,
Such as computer connection, data are analyzed.
In summary, the present embodiment provides the defectoscope being provided with a kind of inspection car, the inspection car described in embodiment 1
100, due to being provided with elevating mechanism on defectoscope 100, after flaw detection work is terminated, adjustable shelf 40 can be lifted with elevating mechanism
Rise, and then drive the flaw detection wheel carrier 20 being connected with adjustable shelf 40, finally separate flaw detection wheel 10 and track on flaw detection wheel carrier 20,
Flaw detection wheel after flaw detection end-of-job can be effectively improved to go back and rail contact, the technical problem of flaw detection foot wheel abrasion is caused, and prolong
The service life of flaw detection wheel is grown.
Finally it should be noted that:Various embodiments above is only limited to illustrate the technical solution of the utility model, rather than to it
System;Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand:It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent;And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.