CN1629631A - Double row comb electrode folding coil wheel pair magnaflux - Google Patents
Double row comb electrode folding coil wheel pair magnaflux Download PDFInfo
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- CN1629631A CN1629631A CN 200310112725 CN200310112725A CN1629631A CN 1629631 A CN1629631 A CN 1629631A CN 200310112725 CN200310112725 CN 200310112725 CN 200310112725 A CN200310112725 A CN 200310112725A CN 1629631 A CN1629631 A CN 1629631A
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Abstract
This invention relates to a wheel-pair inspectoscope characterizing that said device applies vertical on/off multi-turn solenoid coils of double-row comb electrode and its coil on-off operation unit added by two sets of mobile coils and a self-aligned magnetized electrode grip holder. A buffer automatic feed-in device, pull-off device, high stabilized industrial rotate riding wheel and its frame matched with industrial control computers, special operation control software and network communication software form a new type of wheel-pair magnetic powder inspection systems.
Description
Technical field: the present invention is applied to the nondestructive examination category; Relate to magnetic material such as iron and steel and by the nondestructive magnetic-field test of the component of machine of this class made; Specifically apply to the magnetic powder inspection of special-shaped workpiece of shaft-like workpiece, I. C. engine crankshaft, other moulding complexity of train wheel equity belt wheel; Especially a kind of magnaflux that train wheel equity workpiece carries out nondestructive examination that is used for that adopts the vertical folding multi-turn of double comb teeth shape electrode solenoid coil.
The prior art situation: utilization magnetic powder inspection equipment when carrying out Non-Destructive Testing, need and comprise three positions of the wheel of two ends axle journal to axle to rolling stock wheel between two wheels are to wheel hub, switches on the solenoid coil of multi-turn respectively and carries out induced magnetization.The internal diameter of this solenoid coil need be close to wheel as far as possible just can have suitable efficient to axle.Usually notional closed solenoid coil can't be set to wheel by wheel hub and got in the axle middle part, for this reason, in 1991 by Sheyang County, Jiangsu Province electronics Research Institute a kind of rotation opening zygonema circle.The structure of this folding coil is seen Fig. 1, it is equivalent to a closed multi-turn solenoid coil along its axis longitudinally cutting into two, each circle coil all is divided into two semicircle rotation conductive arms, each rotation conductive arm can both be done rotation synchronously along disengaging movement direction or closing motion direction with the conductive arm turning axle that is in its outside eccentric position as the center of circle.When two groups of rotation conductive arms were in the separation point position, the workpiece wheel can free in and out the flaw detection station to axle; When two groups of rotation conductive arms were in closed position, the two groups of closed contact of armature contact conductings formed a multi-turn solenoid coil, can switch on workpiece is carried out induced magnetization.This technology is promoted after a while in the railway system, but finds that in actual use there are the following problems:
1. rotate the open-close type solenoid coil, owing to structural reason, the contact pressure of armature contact is restricted, sparking can occur when applying big electric current and burn phenomenon, cause the magnetization current instability, flaw detection sensitivity is low and unreliable, cause easily and Lou visit erroneous judgement, hiding potential safety hazard; 2. its rotary operating structure can not adapt to the novel of band brake dish of promoting the use of at present and take turns flaw detection.
Summary of the invention:
For adapting to the main flow operational mode of railroad train high-speed overload in recent years, for the most important parts of train operation wheel concerning, its impact load is increased considerably, working environment is severe more, and this has just proposed the more requirement of Gao Gengyan to the technical indicator of taking turns right workmanship and take turns magnetic powder inspection equipment.For this reason, the technical problem to be solved in the present invention is: provide a kind of and can overcome the prior art shortcoming, can take turns the damaged condition that may occur in right workmanship and the use to the most important parts of high-speed heavy-load trains, make the magnetic powder inspection equipment of accurately errorless Non-Destructive Testing.
The present invention solves the problems of the technologies described above the technical scheme that is adopted:
This machine contains the compositions such as rails of rack, stored program controlled, circumferential magnetization current source, longitudinal magnetization current source, circumferential stube cable, vertical stube cable, the turnover of detected workpiece, and its principal feature is:
(1) but, double comb teeth shape electrode folding multi-turn solenoid coil
But two wheels of axle are adopted double comb teeth shape electrode folding multi-turn solenoid coil between to wheel hub at wheel, but should form by fixed electorde group and float electrode group by folding multi-turn solenoid coil, the straight clavate fixed electorde that the fixed electorde group is arranged by the broach shape by two row's multiple rows constitutes, the lower end of each fixed electorde is fixed on the fixed electorde framing beam, electrode framing beam is fixed on the bottom in the rack portal frame, the top of fixed electorde is furnished with the fixed electorde contact, interconnect by the overlap joint lead between each fixed electorde, constitute half vertical cutting body of downside of multi-turn solenoid coil; The float electrode group also is made of the straight clavate float electrode that two row's multiple rows are arranged by the broach shape, the upper end of float electrode is installed on the float electrode framing beam, float electrode framing beam be fixed on jacking gear below, jacking gear is assemblied in the top of rack portal frame, and the float electrode lower end is furnished with the float electrode contact; The electrode number of float electrode group is identical with the number of fixed electorde group electrode, and the installation site is relative one by one up and down with fixed electorde, by the cross connection of overlap joint lead, constitutes half vertical cutting body of upside of multi-turn solenoid coil between two row's float electrodes;
(2), moving coil
At the axle journal position of wheel to the axle two ends, one movable coil respectively is set, moving coil is the closed solenoid coil of a kind of multiturn, the internal diameter of moving coil is a bit larger tham the axle journal of detected workpiece wheel to two ends, one side of moving coil is fixed in an end of the moving coil axis of guide, and makes the center of moving coil consistent to the axle center with detected workpiece wheel; Is furnished with the servo gas of moving coil (oil) cylinder respectively in the both sides of rack portal frame, the moving coil axis of guide fits in the guideway, guideway is fixed on the base of servo gas (oil) cylinder by its mounting, be fixed with the bottom of web joint at the axle head of the piston rod of servo gas (oil) cylinder, the top of web joint is fixed on the moving coil axis of guide, and the piston rod and the moving coil axis of guide on servo gas (oil) cylinder are synchronized with the movement; The moving coil axis of guide can be along its axis of guide interplanting straight reciprocating motion under the driving of the servo gas of moving coil (oil) cylinder;
Act on wheel to the moving coil of two end axles neck position with act on the folding coil of wheel to axis body position between two wheel hubs, by the overlap joint lead and vertically stube cable be connected on the longitudinal magnetization current source, forms the solenoid induced magnetization loop of connecting; When the float electrode group of folding coil and fixed electorde group were done disengaging movement, two moving coils synchronously moved along the direction of leaving axle journal under the driving of servo gas (oil) cylinder separately backward, to form the space, are convenient to workpiece and free in and out the operation position; When the folding coil is made closing motion, two moving coils synchronously travel forward under the driving of servo gas (oil) cylinder separately, make moving coil just in time be enclosed within the right axle journal position of wheel, form a multi-turn solenoid coil closed-loop path, so that energising magnetization workpiece;
(3), automatic capturing terminal clamp
The below of being furnished with the servo gas of moving coil (oil) cylinder respectively in the both sides of rack (1) portal frame, be furnished with electrode respectively and clamp gas (oil) cylinder, about two electrodes clamp gas (oil) cylinders and be installed on the rack respectively through base plate, on two electrodes clamping gas (oil) cylinders, is furnished with the automatic capturing terminal clamp respectively, and make its terminal clamp diameter be slightly smaller than the moving coil internal diameter, and be a bit larger tham the axial end diameter of detected workpiece wheel to axle 4, detected workpiece wheel is implemented the device of automatic capturing and clamping to the axle both ends of the surface of axle; On the oscillating electrode plate on two automatic capturing terminal clamps, be connected to an end of circumferential stube cable, circumferentially the other end of stube cable is connected on the circumferential magnetization current source;
(4), holding workpieces rotation support roller and roller bracket
Be furnished with reducing motor in the compartment of the bottom of rack portal frame one side, an end of drive sprocket transmission shaft is connected with the reducing motor axle by shaft coupling, is fixed with drive sprocket near on the drive sprocket transmission shaft other end; Be respectively equipped with a roller bracket below fixing its left and right side of electricity level framing, roller bracket adopts the two parallel-plate structures of a kind of little spacing, and its support is fixedly mounted on the base plate by fixing wallboard, guarantees its installation verticality by the bearing diagonal beam; In the fixing inboard of wallboard, fixedly mounting several wild wall fixed blocks, wild wall is installed on the wild wall fixed block by bolt and register pin, guarantee wild wall and the fixedly distance between the wallboard and the depth of parallelism by the thickness of wild wall fixed block, guarantee the precision of mutual alignment between two blocks of wallboards by register pin; The axle head of drive sprocket transmission shaft fits on the wild wall of support, and drive sprocket is by driving chain and a pair of being connected by movable sprocket on same horizontal line that is fixed on its top of wild wall; Pair of sprocket fits over respectively on the interior a pair of support roller rotating shaft external part of left socle frame, and two Workpiece Rotating support rollers are separately fixed in interior two the support roller rotating shafts of left socle frame; In two support roller rotating shafts in the right support frame, are furnished with two Workpiece Rotating support rollers with corresponding earthquake in the left socle frame; The rolling surface of Workpiece Rotating support roller is provided with and takes turns the raceway to the engagement of wheel hub rib outline line, and the Workpiece Rotating support roller studs with the support roller insulating bushing in the hole, and the bearing of support roller rotating shaft uses sliding bearing;
(5) cushion charging and drawing mechanism automatically
The both ends of rotating shaft of discharging connecting rod and the rotating shaft of charging connecting rod are fixed on the wild wall of left and right support respectively, fixedly on the wallboard, and the two axial ends of rotating shaft of discharging connecting rod and the rotating shaft of charging connecting rod lays respectively at below two Workpiece Rotating support rollers;
The rotating shaft of charging connecting rod is being arranged on the diaxon end that is fixed on left and right two stands frame, is fixed with an end of charging buffer bar respectively, and the other end of charging buffer bar is furnished with charging buffer bar roller; Axle middle part in the rotating shaft of charging connecting rod, be fixed with an end of charging drive connecting rod, the other end of charging drive connecting rod is connected with piston rod on charging cushion gas (oil) cylinder, charging cushion gas (oil) cylinder fit over the charging drive connecting rod the other end below, make the charging workpiece advance when detecting station, wheel at first is provided with V-shaped groove with charging buffer bar roller rolling surface to the wheel hub rib and contacts, and plays the effect that buffering connects material;
The rotating shaft of discharging connecting rod is being arranged on the diaxon end that is fixed on left and right two stands frame, is fixed with an end of kick-off arm respectively, and the other end of kick-off arm is furnished with the kick-off arm roller; Be fixed with an end of discharging drive connecting rod at the axle middle part of discharging connecting rod rotating shaft, the other end of discharging drive connecting rod is connected with piston rod on discharging gas (oil) cylinder, discharging gas (oil) cylinder fits over below the other end of discharging drive connecting rod, make workpiece finish after testing in the time of need withdrawing from, kick-off arm roller aligned wheels is to the wheel hub rib, to take turns pushing forward, after the right center of gravity of wheel was crossed rail discharging hump, roll out station automatically by its deadweight and the inertia that advances.
The present invention's beneficial effect compared with prior art: owing to adopt technique scheme, compare with original same category of device, on function and performance, all be improved largely, particularly the circular conical surface that raises up is adopted in the fixed electorde contact, being meshing with each other to the circular conical surface of lower recess adopted in the float electrode contact, can have the orthofunction of suffering from one's own actions in contact process, the contact back increases the contact conductive area; Simultaneously, the circular conical surface that the fixed electorde contact raises up, also has the function that prevents that magnetic flaw detection ink and the retention of dust impurity from polluting, increase the conduction reliability, each can both be contacted reliably electrode contact, but the contact contact pressure of this folding multi-turn solenoid coil is big, voltage drop is little when applying big electric current, be difficult for producing the electric shock sparking and burn phenomenon, the contact long service life, system reliability is good, thoroughly eliminates the sparking of classic method and burns and the galvanic corrosion phenomenon, improve the stability of magnetization current, prolonged armature contact maintenance period.Also have two groups of set moving coils, magnetizable electrode chuck from the centering structure, band buffering automatic feeder, the self-emptying device, a structure such as high stability Workpiece Rotating support roller and roller bracket structure and technology, and be equipped with industrial control computer and special-purpose running control software and network communication software, form a novel automatic railway vehicle wheel to magnetic particle testing system, can be to the right workmanship of most important parts wheel of high-speed heavy-load trains, and the crackle scar that may occur in the use makes accurately errorless magnetic powder inspection Non-Destructive Testing, has good prospect on engineering is used.
Description of drawings:
Fig. 1 is the structural drawing of prior art rotation folding coil when the rotation conductive arm separates;
Fig. 2 is the structural drawing of prior art rotation folding coil when the rotation conductive arm closes up;
Fig. 3 is a front view of the present invention;
Fig. 4 is the right view of Fig. 3;
Fig. 5 is the structural drawing of double comb electrodes folding coil folding operating mechanism;
Fig. 6 is the right view of Fig. 5;
Fig. 7 is from centering magnetizable electrode chuck structure figure;
Fig. 8 is band buffering automatic feeder structural drawing;
Fig. 9 is the self-emptying structure drawing of device;
Figure 10 is the roller bracket structural drawing;
Figure 11 is an electrode arrangement for resilient contacting structural drawing.
Introduce one embodiment of the present of invention below in conjunction with accompanying drawing:
As shown in Figure 3, Figure 4, rack 1 of the present invention is the rectangle portal frame, the and arranged on left and right sides of rack 1 is made the unit cabinet from top to bottom, left surface unit cabinet is furnished with stored program controlled storehouse 2 topmost, is furnished with moving coil assembly, automatic capturing chuck component, reducing motor assembly, circumferential magnetization current source 3 downwards successively; Right flank unit cabinet is furnished with industrial computer system storehouse 74 topmost, is furnished with moving coil assembly, automatic capturing chuck component, longitudinal magnetization current source 69 downwards successively.The unit cabinet is also made at the top of rack 1, and detected workpiece is arranged in the middle part of portal frame, and input and output material rail 72 is installed in and detects both sides, station below.But be furnished with separable double comb teeth shape electrode folding multi-turn solenoid coil in the above and below of detected workpiece, be furnished with supporting rotating mechanism etc. below taking turns wheel hub 5 in that detected workpiece is a pair of.Introduce each modular construction of the present invention below in detail:
(1) but, double comb teeth shape electrode folding multi-turn solenoid coil
Extremely shown in Figure 6 as Fig. 3, but two wheels of axle 4 are adopted double comb teeth shape electrode folding multi-turn solenoid coil between to wheel hub 5 at wheel, but should form by fixed electorde group and float electrode group by folding multi-turn solenoid coil, the straight clavate fixed electorde 6 that the fixed electorde group is arranged by the broach shape by two row's multiple rows constitutes, the lower end of each fixed electorde is fixed on the fixed electorde framing beam 11, electrode framing beam 11 is fixed on the bottom in rack 1 portal frame, the top of fixed electorde is furnished with fixed electorde contact 7, interconnect by overlap joint lead 12 between each fixed electorde, constitute half vertical cutting body of downside of multi-turn solenoid coil; The float electrode group also is made of the straight clavate float electrode 9 that two row's multiple rows are arranged by the broach shape, the upper end of float electrode 9 is installed on the electrode framing beam 10 alive, float electrode framing beam 10 be fixed on jacking gear below, jacking gear fits over the top of rack 1 portal frame, and float electrode 9 lower ends are furnished with float electrode contact 8; The electrode number of float electrode group is identical with the number of fixed electorde group electrode, and the installation site is relative one by one up and down with fixed electorde, by the cross connection of overlap joint lead 12, constitutes half vertical cutting body of upside of multi-turn solenoid coil between two row's float electrodes; As shown in figure 11, the circular conical surface of fixed electorde contact 7 for raising up, this circular conical surface can be meshing with each other with the circular conical surface that upwards caves in the float electrode contact 8 of float electrode lower end.The circular conical surface that raises up is processed in fixed electorde contact 7, can have the orthofunction of suffering from one's own actions of mutual aligning in the electrode contacts contact process, and increases the contact conductive area; Simultaneously, the circular conical surface that the fixed electorde contact below being in raises up also has the function that prevents that magnetic flaw detection ink and the retention of dust impurity from polluting, and increases the conduction reliability.On fixed electorde 6 or float electrode 9, be provided with and make fixed electorde contact 7 or float electrode contact 8 arrangement for resilient contacting.Here being arranged on the fixed electorde with arrangement for resilient contacting is that example is described.Among Figure 11, the bottom of electrode guide thimble 66 fits on the fixed electrode base plate 68, and fixed electorde 6 is installed in the electrode insulation lining 62; Electrode insulation lining 62 is installed in again in the electrode guide thimble 66, is furnished with the electrode top below the electrode insulation lining 62 in electrode guide thimble 66 and stretches spring 65, and the electrode top is stretched and fitted on the spring bushing pipe 67 below the spring 65, stretches spring 65 upwards jackings by the electrode top.Be shaped on spacing slotted hole 63 on electrode insulation lining 62, be furnished with rise fall of electrodes spacer pin 64 in slotted hole 63, the two ends of rise fall of electrodes spacer pin 64 fit on electrode guide thimble 66 walls, the range of restriction fixed electorde 6.At ordinary times, fixed electorde 6 is stretched under the effect of spring 65 expansion forces on the electrode top, upwards can only push up the lower end and rise fall of electrodes spacer pin 64 position contacting that extend spacing slotted hole 63, with the lifting height of restriction fixed electorde 6.When the float electrode group is made the coil closing motion and is moved down, the pressure that spring 65 is subjected to the float electrode contact 8 of matching with it respectively from each is stretched on each electrode top, force fixed electorde 6 to descend, stretch under reacting force that spring 65 upholds promotes on each electrode top, each all closely contacts conducting between fixed electorde contact 7 and the float electrode contact 8.This arrangement for resilient contacting makes each, and the fine setting of can both stretching respectively has all pressure effects to electrode contact, automatically makes each even to contact pressure that the contact is assigned to, makes contact more reliable.But the contact contact pressure of the folding multi-turn solenoid coil of this structure is big, when applying big electric current voltage drop little, be difficult for producing the electric shock sparking and burn phenomenon, the contact long service life has improved the reliability of system.This technology has good prospect on engineering is used.
(2), the descending operation mechanism of folding coil
Extremely shown in Figure 6 as Fig. 3, the jacking gear of the coil folding servo control mechanism on float electrode framing beam 10 tops, be one along moving join, two ends are installed in rack 1 portal frame back by axle bed the pitman shaft 17 of horizontal positioned, be fixed with an end of rise fall of electrodes drive connecting rod 19 at the middle part of pitman shaft 17, the hinged connection of piston rod of the other end of drive connecting rod 19 and coil folding gas (oil) cylinder 18, coil folding gas (oil) cylinder 18 fits over rack 1 portal frame top.Respectively be fixed with an end of a passive connecting rod 14 of rise fall of electrodes at the both ends of pitman shaft 17, the other end of two passive connecting rods 14 respectively with hinged be connected two the commutation connecting rods 16 an end on, the other end of two commutation connecting rods 16 also is hinged syndeton with two lifting thrust axis 15 respectively, and two lifting thrust axis 15 are separately fixed at float electrode group lifting frame beam 10 both sides.Between two frameworks on rack 1 portal frame top and the both sides that are positioned at lifting frame beam 10 are furnished with a pair of lifting axis of guide 13, and a pair of lifting axis of guide was not moved and fitted in the lifting sliding sleeve set on lifting frame beam 10 both sides in 13 minutes.When the piston rod of coil folding gas (oil) cylinder 18 returns or during the pushing tow motion, pulling drive connecting rod 19 and passive connecting rod 14 are the axle center with pitman shaft 17, upwards make clockwise direction or make counter clockwise direction downwards to rotatablely move.In rotary course, follow upper and lower moving with the hinged commutation connecting rod 16 that is connected passive connecting rod 14 ends.Because the lifting thrust axis 15 that install at float electrode group lifting frame beam 10 two ends, with hinged connection of lower end of commutation connecting rod 16, commutation connecting rod 16 is upper and lower when mobile, drive float electrode group lifting frame beam 10 along the lifting axis of guide 13, make vertical displacement movement, do the coil open and close movement with the direction of secured in alignment electrode group thereby drive its float electrode group of carrying.Make return movement when the piston rod of coil folding gas (oil) cylinder 18, make float electrode group and fixed electorde component from the time, form the space between the two arrays of electrodes, can allow workpiece free in and out the flaw detection station; When the piston rod of coil folding gas (oil) cylinder 18 is done the pushing tow motion and is put in place, between float electrode group and the fixed electorde group corresponding each electrode contacts is meshed one by one, on circuit, form the multi-turn solenoid coil of a closure, so that by electric current, workpiece is carried out induced magnetization or demagnetization operation.
Said structure, by to the arm of force length between drive connecting rod 19 and the passive connecting rod 14 than and in the distribution of space geometry angle, can adapt to the application scenario of various different installation sites and stroke.
This folding coil folding operating mechanism has that the dynamic synchronization performance is good, contact force is big and evenly, magnetization efficient height, the friction that operates steadily, noiseless, stroke adjustment is convenient, the location accurately, advantage such as simple in structure, cheap.
(3) moving coil
Taking turns right axle journal position, is the zone of wheel to meeting with stresses when the train operation and relatively concentrating, and also is the key area of flaw detection operation.And it is because of the two ends of place, position axle, the position that the magnetic line of force significantly disperses when being magnetization again.As shown in Figure 3, in order to strengthen the magnetization at axle journal position, at the axle journal position of wheel to axle 4 two ends, one movable coil 54 respectively is set, moving coil 54 is the closed solenoid coils of a kind of multiturn, the internal coil diameter of moving coil 54 is a bit larger tham the axle journal of detected workpiece wheel to 4 two ends, and a side of moving coil 54 is fixed in an end of the moving coil axis of guide 53, and makes the hub of a spool of moving coil 54 consistent to axle 4 centers with detected workpiece wheel; Is furnished with the servo gas of moving coil (oil) cylinder 52 respectively in the both sides of rack 1 portal frame, the axis of guide 53 fits in the guideway 73, guideway 73 is fixed on the base of servo gas (oil) cylinder 52 by its mounting, on the axle head of the piston rod of servo gas (oil) cylinder 52, be fixed with the bottom of web joint, the top of web joint is fixed on the axis of guide 53, and the piston rod and the axis of guide 53 on servo gas (oil) cylinder 52 can be synchronized with the movement; The moving coil axis of guide 53 can be done straight reciprocating motion along its guideway 73 under the driving of the servo gas of moving coil (oil) cylinder 52.
Act on wheel to the moving coil 54 of axle 4 two end axles neck positions with act on the folding coil of wheel to axis body position between two wheel hubs 5, be connected on the longitudinal magnetization current source 69 by overlap joint lead 12 and vertical stube cable 71, form a series connection solenoidal magnetization loop; When the float electrode group of folding coil and fixed electorde group are done disengaging movement, two moving coils 54 are under the driving of servo gas (oil) cylinder 52 separately, synchronously move along the direction of leaving axle journal backward,, be convenient to workpiece and free in and out the operation position to form the space; When the folding coil is made closing motion, two moving coils 54 are under the driving of servo gas (oil) cylinder 52 separately, synchronously travel forward, make moving coil 54 just in time be enclosed within the right axle journal position of wheel, form the induced magnetization electricity loop of a multi-turn solenoid coil closure.
(4), from centering magnetizable electrode chuck
Circumferential magnetization electric current of the present invention is to suffer from one's own actions the positive electrode chuck by a pair of, is applied on the end face of tested measuring wheel to axle 4 two ends.This device is by clamping driving and suffering from one's own actions two parts of positive electrode and form.As Fig. 3, shown in Figure 7, the below of being furnished with the servo gas of moving coil (oil) cylinder 52 in the both sides of rack 1 portal frame respectively, be furnished with electrode respectively and clamp gas (oil) cylinder 21, about two electrodes clamp gas (oil) cylinders 21 and be installed on the both sides of rack 1 through base plate 20 respectively, on two electrodes clamping gas (oil) cylinders 21, is furnished with the automatic capturing terminal clamp respectively, and make its terminal clamp external diameter be slightly smaller than moving coil 54 internal coil diameter, be a bit larger tham the axial end diameter of detected workpiece wheel, detected workpiece wheel implemented the device of automatic capturing and clamping to the axle both ends of the surface of axle 4 axle 4; This device is by clamping driving and suffering from one's own actions two parts of positive electrode and form; Clamp drive part: adopt with about two electrodes piston rod top of clamping gas (oil) cylinders 21 fit over the bottom of movable push 32 respectively, the top of movable push 32 fits over an end of the electrode axis of guide 22 respectively, the rear portion of its electrode axis of guide 22 fits over two front and back and is in the horizontal a pair of axis of guide sliding sleeve 26 that fits on base plate 20 bearings; On the electrode axis of guide 22, be provided with oriented chute 23, on axis of guide sliding sleeve 26, be provided with directed pin 24 corresponding and oriented chute 23 dynamic engagement with it; About two electrodes clamp gas (oil) cylinders 21 and drive movable push 32 by the piston rod on it, thereby drive the electrode axis of guide 22, under axis of guide sliding sleeve 26 and 24 effects of directed pin, do straight reciprocating motion, and the electrode axis of guide 22 is unlikely generation deflection in motion process, guarantees that clamp system moves along direction of collimation.Suffer from one's own actions the positive electrode part: fixed plate electrode 28 is fixedly mounted on the front of movable push 32 by isolating joint 31, and oscillating electrode plate 29 is installed in the front of fixed plate electrode 28, is parallel to each other and coaxial; Between oscillating electrode plate 29 and the fixed plate electrode 28, place one piece in the centre and turn to steel ball 30, make to keep certain distance between the two boards, turning to steel ball 30 oscillating electrode plate 29 and 28 of fixed plate electrodes all around to be furnished with 3 bolts that static equilibrium spring 27 is housed; When electrode clamping gas (oil) cylinder 21 piston rods reset, the two end electrodes plate returns simultaneously, wheel can free in and out the flaw detection station to axle 4, this moment, oscillating electrode plate 29 workplaces were not exerted pressure, expansion force by several static equilibrium springs makes keeping parallelism between oscillating electrode plate 29 and the fixed plate electrode 28; When the piston rod on electrode clamping gas (oil) cylinder 21 is done pushing tow motion forward, drive two oscillating electrode plate 29 advanced in unison, clamping pressure is delivered on two axial end of detected workpiece wheel to axle 4; If take turns not parallel to the axial end and the terminal clamp workplace of axle 4, oscillating electrode plate 29 is under the effect of clamping pressure, can cater to the end face of tested measuring wheel as universal joint to axle 4, freely along Y direction and Z-direction deflection, automatic seam tracking through weaving torch centering item is tight, make each point on the electrode surface, all the end face of axle 4 is close to and is contacted conduction with tested measuring wheel.On the oscillating electrode plate 29 on two automatic capturing terminal clamps, be connected with an end of circumferential stube cable 70 respectively, circumferentially the other end of stube cable 70 is connected on the circumferential magnetization current source 3.This structure can guarantee under the prerequisite that transmit pressure that maximized conductive contact surfaces is long-pending not consuming, and contact resistance is little, under the situation of the big electric current of transmission voltage drop little, be difficult for producing sparking and burn phenomenon.
(5), holding workpieces rotation support roller and roller bracket
Wheel is in the flaw detection process, need to rotate automatically in good time so that spray magnetic flaw detection ink and the search shown crack defect that comes out when observing flaw detection equably, thus wheel to magnaflux must be provided with can hold up wheel to and the rotation wheel holding mechanism that rotates.Because the rotation wheel holding mechanism holds up and drives the very big wheel of weight to rotating except that need, also will bear the impact load of charging, discharging, therefore needs bigger intensity.Owing to the restriction of space condition, this mechanism can not do hugely dimensionally again.Because the restriction of above-mentioned Several Factors brings specific (special) requirements for the design of rotation wheel holding mechanism.As Fig. 3, Fig. 4, Fig. 8, Fig. 9, shown in Figure 10, is furnished with reducing motor 51 on the dividing plate of this practical bottom on the left of rack 1 portal frame, one end of drive sprocket transmission shaft 50 is connected with the reducing motor axle by shaft coupling, is fixed with drive sprocket 48 near on drive sprocket transmission shaft 50 other ends; Below fixing electricity level framing 11 its left and right sides, be respectively equipped with a roller bracket, roller bracket adopts the two parallel-plate structures of a kind of little spacing, be installed in the span of the support roller rotating shaft 56 on the roller bracket with shortening, can reduce the moment of flexure that support roller rotating shaft 56 bears and strengthen shearing strength, can bear bigger load thereby be implemented under the less relatively situation of physical dimension.Roller bracket is taked to be fixedly mounted on the roller bracket base plate 60 by fixing wallboard 58, guarantees that by the bearing diagonal beam it installs verticality.In the fixing inboard of wallboard 58, fixedly mounting several wild wall fixed blocks 59, wild wall 61 is installed on the wild wall fixed block 59 by bolt and register pin, guarantee wild wall 61 and the fixedly distance between the wallboard 58 and the depth of parallelism by the thickness of wild wall fixed block 59, guarantee the precision of mutual alignment between two blocks of wallboards by register pin; Because the detachability of wild wall 61 brings convenience for installation, debugging and the maintenance of internal mechanism.The axle head of drive sprocket transmission shaft 50 fits on the wild wall 61 of support by bearing and bearing seat, the bearing seat edge of drive sprocket transmission shaft 50 output terminals is milled with slotted hole, distance between drive sprocket transmission shaft 50 and the support roller rotating shaft 56 can be finely tuned, so that regulate the rate of tension of driving chain 49.Drive sprocket 48 is by driving chain 49 and a pair of being connected by movable sprocket 47 on same horizontal line that is fixed on wild wall 61 its tops; A pair ofly fitted over respectively on a pair of support roller rotating shaft 56 external parts in the left socle frame by movable sprocket 47, two Workpiece Rotating support rollers 40 are separately fixed in the left socle frame in two support roller rotating shafts 56; In two support roller rotating shafts 56 in the right support frame, are furnished with two Workpiece Rotating support rollers 40 with corresponding earthquake in the left socle frame.Left socle and right support symmetry are placed, and right support is except that no sprocket wheel, chain, and its structure is identical with left socle.The rolling surface of Workpiece Rotating support roller 40 is provided with and takes turns the raceway to the engagement of wheel hub rib 39 outline lines, to increase gearing friction power, even if the also unlikely stall of skidding of oiliness magnetic flaw detection ink on the support roller surface spraying.The Workpiece Rotating support roller studs with support roller insulating bushing 55 in 40 holes, can not struck sparks by the support roller short circuit to guarantee magnetization current.The bearing of support roller rotating shaft uses sliding bearing 57, to guarantee impact strength.
(6) cushion charging and drawing mechanism automatically
Wheel is that railway is right with rolling stock wheel to the manipulating object of magnaflux, wheel is to belonging to heavy workpiece, nearly 1 ton of weight, in place to the rotation support roller of flaw detection station during charging as freely rolling by workpiece, not only produce very big vibrations, and its inertial impact force may influence the serviceable life of environment division mechanical component, and for this reason, the art of this patent has designed cover buffering charging and discharging device automatically.As Fig. 3, Fig. 4, Fig. 8, Fig. 9, shown in Figure 10, the both ends of this device discharging connecting rod rotating shaft 36 and charging connecting rod rotating shaft 45 are fixed on the wild wall 61 of left and right support respectively, fixedly on the wallboard 58.
(1), automatically cushion feed arrangement: as shown in Figure 8, charging connecting rod rotating shaft 45 is being arranged on the diaxon end that is fixed on left and right two stands frame, is fixed with an end of charging buffer bar 43 respectively, and the other end of charging buffer bar 43 is furnished with charging buffer bar roller 42; Axle middle part in charging connecting rod rotating shaft 45, be fixed with an end of charging drive connecting rod 44, the other end of charging drive connecting rod 44 is connected with piston rod on charging cushion gas (oil) cylinder 46, charging cushion gas (oil) cylinder 46 fit over charging drive connecting rod 44 the other end below.Its principle of work is as follows: 1. before the charging, the piston rod of charging cushion gas (oil) cylinder 46 upwards pushes up in advance to be stretched, by being fixed on the charging drive connecting rod 44 at charging connecting rod rotating shaft 45 middle parts, promote charging connecting rod rotating shaft 45 along rotation counterclockwise among the figure, two charging buffer bars 43 that are fixed on charging connecting rod rotating shaft 45 two ends rotate synchronously thereupon and rise.When the piston masthead reached, the charging buffer bar roller 42 that is installed in charging buffer bar 43 tops rose to the position that exceeds Workpiece Rotating support roller 40 thereupon.The rolling surface of charging buffer bar roller 42 is provided with the V-arrangement raceway, and V-arrangement raceway aligned wheels makes charging buffer bar roller 42 be in the material state of meeting to the direction that wheel hub rib 39 advances; 2. during charging, workpiece advances in the process, and wheel at first touches charging buffer bar roller to wheel hub rib 39, the impact moment that workpiece advances and produces, be delivered on the cylinder piston by connecting rod, connecting rod rotating shaft and piston rod assembly, absorbed by the compressed-air actuated elastic buffer of cylinder; 3. subsequently, cylinder piston rod initiatively slowly descends and returns, by charging drive connecting rod 44, pulling charging connecting rod rotating shaft 45 is along clockwise direction rotation among the figure, driving charging buffer bar roller 42 descends slowly, wheel is dropped on 4 Workpiece Rotating support rollers 40 lightly to wheel hub rib 39, finish the buffering feed process.
(2) self-emptying device: as shown in Figure 9, discharging connecting rod rotating shaft 36 is being arranged on the diaxon end that is fixed on left and right two stands frame, is fixed with an end of kick-off arm 37 respectively, and the other end of kick-off arm 37 is furnished with kick-off arm roller 38; Be fixed with an end of discharging drive connecting rod 35 at the axle middle part of discharging connecting rod rotating shaft 36, the other end of discharging drive connecting rod 35 is connected with piston rod on discharging gas (oil) cylinder 34, and discharging gas (oil) cylinder 34 fits over below the other end of discharging drive connecting rod 35.Its principle of work is as follows.1. state before the discharging: the piston rod of discharging gas (oil) cylinder 34 returns downwards in advance and puts in place.In return course, by being fixed on the discharging drive connecting rod 35 at discharging connecting rod rotating shaft 36 middle parts, pulling discharging connecting rod rotating shaft 36 is along rotation counterclockwise among the figure, and two kick-off arms 37 that are fixed on discharging connecting rod rotating shaft 36 two ends rotate synchronously thereupon and descend.The kick-off arm roller 38 that is installed in kick-off arm 37 tops also just drops to the last plane that is lower than rail thereupon, makes it not influence wheel to passing through on rail.2. during discharging, the piston rod of discharging gas (oil) cylinder 34 upwards top is stretched, and by discharging drive connecting rod 35, promotes charging connecting rod rotating shaft 36 along clockwise direction rotation among the figure, and kick-off arm roller 38 rises thereupon synchronously.The rolling surface of kick-off arm roller 38 is provided with the V-arrangement raceway, V-arrangement raceway aligned wheels is to wheel hub rib 39 applied thrusts, force the workpiece wheel that rolling is advanced, after the right center of gravity of wheel was crossed the rail discharging hump 41 that is located on the rail, by gravity and the forward travel inertia of himself, automatically roll out the flaw detection station, finish out material process.3. subsequently, discharging gas (oil) cylinder 34 automatically resets, and system returns to the preceding state of discharging again.
The rail vehicles that adopts above-mentioned several innovative techniques to manufacture and design is taken turns magnaflux, is equipped with industrial control computer and special-purpose running control software and network communication software again, has formed a robotization wheel to magnetic powder inspection equipment.This equipment is compared to magnaflux with original the wheel, all is improved largely on function and performance, can become original upgraded product of taking turns magnaflux.
Sequence number explanation in the Figure of description
1-rack 30-turns to steel ball 59-wild wall fixed block
2-stored program controlled storehouse 31-insulating joint 60-roller bracket base plate
3-circumferential magnetization current source 32-movable push 61-wild wall
The 4-wheel is to axle 34-discharging vapour (oil) cylinder 62-electrode insulation lining
The 5-wheel is to the spacing slotted hole of wheel hub 35-discharging active connecting rod 63-
6-fixed electrode 36-discharging connecting rod rotating shaft 64-rise fall of electrodes spacer pin
Spring is stretched on 37-kick-off arm 65-electrode top, 7-fixed electrode contact
8-float electrode contact 38-kick-off arm roller 66-electrode guide thimble
9-float electrode 39-wheel is to wheel hub rib 67-spring bushing pipe
10-float electrode group Vierendeel girder 40-workpiece rotating support roller 68-fixed electrode base plate
The vertical excitation supply of 11-fixed electrode group Vierendeel girder 41-rail discharging hump 69-
The circumferential stube cable of 12-overlap joint lead 42-charging buffer bar roller 70-
The vertical stube cable of 13-lifting axis of guide 43-charging buffer bar 71-
The passive connecting rod 44-of 14-charging drive connecting rod 72-rail
15-lifting thrust axis 45-charging connecting rod rotating shaft 73-guideway
16-commutation connecting rod 46-charging cushion gas (oil) 74-industrial computer system storehouse
17-pitman shaft 47-is by movable sprocket
18-coil folding gas (oil) cylinder 48-drive sprocket
19-drive connecting rod 49-driving chain
20-base plate 50-rotating sprocket transmission shaft
The 21-electrode clamps gas (oil) cylinder 51-reducing motor
The 22-electrode axis of guide servo gas of 52-moving coil (oil) cylinder
The 23-oriented chute 53-moving coil axis of guide
The directed pin of 24-54-moving coil
26-axis of guide sliding sleeve 55-support roller insulating bushing
The rotating shaft of 27-static equilibrium spring 56-support roller
28-fixed plate electrode 57-sliding bearing
29-oscillating electrode plate 58-is wallboard fixedly
Claims (4)
1, a kind of double comb teeth shape electrode folding coil wheel is to magnaflux, contain the compositions such as turnover rails of rack, stored program controlled storehouse, industrial computer system storehouse, circumferential magnetization current source, longitudinal magnetization current source, circumferential stube cable, vertical stube cable, detected workpiece, it is characterized in that:
(1) but, double comb teeth shape electrode folding multi-turn solenoid coil
Wheel to two wheels of axle (4) to wheel hub (5) but between adopt double comb teeth shape electrode folding multi-turn solenoid coil, but should form by fixed electorde group and float electrode group by folding multi-turn solenoid coil, the fixed electorde group is pressed straight clavate fixed electorde (6) formation that the broach shape is arranged by two row's multiple rows, the lower end of each fixed electorde is fixed on the fixed electorde framing beam (11), electrode framing beam (11) is fixed on the bottom in rack (1) portal frame, the top of fixed electorde is furnished with fixed electorde contact (7), interconnect by overlap joint lead (12) between each fixed electorde, constitute half vertical cutting body of downside of multi-turn solenoid coil; The float electrode group is also pressed straight clavate float electrode (9) formation that the broach shape is arranged by two row's multiple rows, the upper end of float electrode (9) is installed on the float electrode framing beam (10), float electrode framing beam (10) be fixed on jacking gear below, jacking gear is assemblied in the top of rack (1) portal frame, and float electrode (9) lower end is furnished with float electrode contact (8); The electrode number of float electrode group is identical with the number of fixed electorde group electrode, the installation site is relative one by one up and down with fixed electorde, by the cross connection of overlap joint lead (12), constitute half vertical cutting body of upside of multi-turn solenoid coil between two row's float electrodes;
(2), moving coil
At the axle journal position of wheel to axle (4) two ends, one movable coil (54) respectively is set, moving coil (54) is the closed solenoid coil of a kind of multiturn, the internal diameter of moving coil (54) is a bit larger tham the axle journal of detected workpiece wheel to (4) two ends, one side of moving coil (54) is fixed in an end of the moving coil axis of guide (53), and makes the internal diameter center of moving coil (54) consistent to axle (4) center with detected workpiece wheel; Both sides at rack (1) portal frame are furnished with the servo gas of moving coil (oil) cylinder (52) respectively, the moving coil axis of guide (53) fits in the guideway (73), guideway (73) is fixed on the base of servo gas (oil) cylinder (52) by its mounting, be fixed with the bottom of web joint at the axle head of the piston rod of servo gas (oil) cylinder (52), the top of web joint is fixed on the moving coil axis of guide (53), and the piston rod and the moving coil axis of guide (53) on servo gas (oil) cylinder (52) are synchronized with the movement; The moving coil axis of guide (53) can be done straight reciprocating motion along its guideway (73) under the driving of the servo gas of moving coil (oil) cylinder (52);
Act on wheel to the moving coil (54) of (4) two end axles neck position with act on the folding coil of wheel to axis body position between two wheel hubs (5), be connected on the longitudinal magnetization current source (69) by overlap joint lead (12) and vertical stube cable (71), form a series connection solenoid induced magnetization loop; When the float electrode group of folding coil and fixed electorde group are done disengaging movement, two moving coils (54) are under the driving of servo gas (oil) cylinder (52) separately, synchronously move along the direction of leaving axle journal backward,, be convenient to workpiece and free in and out the operation position to form the space; When the folding coil is made closing motion, two moving coils (54) synchronously travel forward under the driving of servo gas (oil) cylinder (52) separately, make moving coil (54) just in time be enclosed within the right axle journal position of wheel, form a multi-turn solenoid coil closed-loop path, so that energising magnetization workpiece;
(3), automatic capturing terminal clamp
The below of being furnished with the servo gas of moving coil (oil) cylinder (52) respectively in the both sides of rack (1) portal frame, be furnished with electrode respectively and clamp gas (oil) cylinder (21), about two electrodes clamp gas (oil) cylinders (21) and be installed in respectively on the rack (1) through base plate (20), on two electrodes clamping gas (oil) cylinders (21), is furnished with the automatic capturing terminal clamp respectively, and make its terminal clamp diameter be slightly smaller than the internal diameter of moving coil (54), and be a bit larger tham the axial end diameter of detected workpiece wheel to axle (4), detected workpiece wheel is implemented the device of automatic capturing and clamping to the axle both ends of the surface of axle (4); On the oscillating electrode plate (29) on two automatic capturing terminal clamps, be connected to an end of circumferential stube cable (70), circumferentially the other end of stube cable (70) is connected on the circumferential magnetization current source (3);
(4), holding workpieces rotation support roller and roller bracket
Be furnished with reducing motor (51) in the compartment of the bottom of rack (1) portal frame one side, an end of drive sprocket transmission shaft (50) is connected with the reducing motor axle by shaft coupling, is fixed with drive sprocket (48) near on drive sprocket transmission shaft (50) other end; Below fixing its left and right side of electricity level framing (11), be respectively equipped with a roller bracket, roller bracket adopts the two parallel-plate structures of a kind of little spacing, its support is fixedly mounted on the roller bracket base plate (60) by fixing wallboard (58), guarantees that by the bearing diagonal beam it installs verticality; In the fixing inboard of wallboard (58), fixedly mounting several wild wall fixed blocks (59), wild wall (61) is installed on the wild wall fixed block (59) by bolt and register pin, guarantee the wild wall (61) and the fixing distance and the depth of parallelism between the wallboard (58) by the thickness of wild wall fixed block (59), guarantee the precision of mutual alignment between two blocks of wallboards by register pin; The axle head of drive sprocket transmission shaft (50) is assemblied on the wild wall (61) of support, and drive sprocket (48) is by driving chain (49) and a pair of being connected by movable sprocket (47) on same horizontal line that is fixed on its top of wild wall (61); Pair of sprocket (47) fits over respectively on interior a pair of support roller rotating shaft (56) external part of left socle frame, and two Workpiece Rotating support rollers (40) are separately fixed in interior two the support roller rotating shafts (56) of left socle frame; In two support roller rotating shafts (56) in the right support frame, are furnished with two Workpiece Rotating support rollers (40) with corresponding earthquake in the left socle frame; The rolling surface of Workpiece Rotating support roller (40) is provided with and takes turns the raceway to the engagement of wheel hub rib (39) outline line, and Workpiece Rotating support roller (40) studs with support roller insulating bushing (55) in the hole, and the bearing of support roller rotating shaft uses sliding bearing (57);
(5) cushion charging and drawing mechanism automatically
The both ends of discharging connecting rod rotating shaft (36) and charging connecting rod rotating shaft (45) are fixed on the wild wall (61) of left and right support respectively, fixedly on the wallboard (58), and the two axial ends of discharging connecting rod rotating shaft (36) and charging connecting rod rotating shaft (45) lays respectively at below two Workpiece Rotating support rollers (40);
Charging connecting rod rotating shaft (45) is being arranged on the diaxon end that is fixed on left and right two stands frame, is fixed with an end of charging buffer bar (43) respectively, and the other end of charging buffer bar (43) is furnished with charging buffer bar roller (42); Axle middle part in charging connecting rod rotating shaft (45), be fixed with an end of charging drive connecting rod (44), the other end of charging drive connecting rod (44) is connected with piston rod on charging cushion gas (oil) cylinder (46), charging cushion gas (oil) cylinder (46) fit over charging drive connecting rod (44) the other end below, make the charging workpiece advance when detecting station, wheel at first is provided with V-shaped groove and contacts with charging buffer bar roller (42) rolling surface wheel hub rib (39), plays the effect that buffering connects material;
Discharging connecting rod rotating shaft (36) is being arranged on the diaxon end that is fixed on left and right two stands frame, is fixed with an end of kick-off arm (37) respectively, and the other end of kick-off arm (37) is furnished with kick-off arm roller (38); Be fixed with an end of discharging drive connecting rod (35) at the axle middle part of discharging connecting rod rotating shaft (36), the other end of discharging drive connecting rod (35) is connected with piston rod on discharging gas (oil) cylinder (34), discharging gas (oil) cylinder (34) fits over below the other end of discharging drive connecting rod (35), make workpiece finish after testing in the time of need withdrawing from, kick-off arm roller (38) aligned wheels is to wheel hub rib (39), to take turns pushing forward, after the right center of gravity of wheel was crossed rail discharging hump (41), roll out station automatically by its deadweight and the inertia that advances.
2, the described a kind of double comb teeth shape electrode folding coil wheel of root a tree name claim 1 is to magnaflux, it is characterized in that: the jacking gear of the coil folding servo control mechanism on float electrode framing beam (10) top, being one joins along horizontal positioned is moving, two ends are installed in the pitman shaft (17) of rack (1) portal frame back by axle bed, be fixed with an end of rise fall of electrodes drive connecting rod (19) at the middle part of pitman shaft (17), the hinged connection of piston rod of the other end of drive connecting rod (19) and coil folding gas (oil) cylinder (18), coil folding gas (oil) cylinder (18) fits over rack (1) portal frame top; Respectively assemble an end of a passive connecting rod of rise fall of electrodes (14) at the both ends of pitman shaft (17), the other end of two passive connecting rods (14) respectively with hinged be connected two the commutation connecting rods (16) an end on, the other end of two commutation connecting rods (16) also is hinged syndeton with two lifting thrust axis (15) respectively, and two lifting thrust axis (15) are separately fixed at float electrode group lifting frame beam (10) both sides; Between two frameworks on rack (1) portal frame top and the both sides that are positioned at lifting frame beam (10) are furnished with a pair of lifting axis of guide (13), and a pair of lifting axis of guide (13) divides not move and fits in the lifting sliding sleeve set on lifting frame beam (10) both sides; When the piston rod of coil folding gas (oil) cylinder (18) returns or during the pushing tow motion, the drive link assembly drives float electrode group lifting frame beam (10) along the lifting axis of guide (13), make vertical displacement movement, do the coil open and close movement with the direction of secured in alignment electrode group thereby drive its float electrode group of carrying.
3, the described a kind of double comb teeth shape electrode folding coil wheel of root a tree name claim 1 is to magnaflux, it is characterized in that: on fixed electorde (6) or float electrode (9), be provided with and make fixed electorde contact (7) or float electrode contact (8) arrangement for resilient contacting; The circular conical surface of fixed electorde contact (7) for raising up, float electrode contact (8) circular conical surface for upwards caving in.
4, the described a kind of double comb teeth shape electrode folding coil wheel of root a tree name claim 1 is to magnaflux, it is characterized in that: about two electrodes clamp the automatic capturing terminal clamp of being joined on gas (oil) cylinders (21), this device drives and suffers from one's own actions two of positive electrodes and partly form by clamping; Clamp drive part: adopt with about two electrodes piston rod top of clamping gas (oil) cylinders (21) fit over the bottom of movable push (32) respectively, the top of movable push (32) fits over an end of the electrode axis of guide (22) respectively, the rear portion of its electrode axis of guide (22) fits over two front and back and is in the horizontal a pair of axis of guide sliding sleeve (26) that fits on base plate (20) bearing; On the electrode axis of guide (22), be provided with oriented chute (23), on axis of guide sliding sleeve (26), be provided with directed pin corresponding (24) and oriented chute (23) dynamic engagement with it; About two electrodes clamp gas (oil) cylinders (21) and drive movable push (32) by the piston rod on it, thereby drive the electrode axis of guide (22) under axis of guide sliding sleeve (26) and directed pin (24) effect, do straight reciprocating motion; Suffer from one's own actions the positive electrode part: fixed plate electrode (28) is fixedly mounted on the front of movable push (32) by isolating joint (31), and oscillating electrode plate (29) is installed in the front of fixed plate electrode (28), is parallel to each other and coaxial; Between oscillating electrode plate (29) and the fixed plate electrode (28), place one piece in the centre and turn to steel ball (30), make to keep certain distance between the two boards, turn to steel ball (30) all around oscillating electrode plate (29) and fixed plate electrode (28) between be furnished with 〉=3 bolts that static equilibrium spring (27) are housed; When electrode clamps gas (oil) cylinder (21) when piston rod resets, the two end electrodes plate returns simultaneously, wheel can free in and out the flaw detection station to axle (4), this moment, oscillating electrode plate (29) workplace was not exerted pressure, expansion force by several static equilibrium springs makes keeping parallelism between oscillating electrode plate (29) and the fixed plate electrode (28); When the piston rod on electrode clamping gas (oil) cylinder (21) is done pushing tow motion forward, drive two oscillating electrode plates (29) advanced in unison, clamping pressure is delivered on two axial end of detected workpiece wheel to axle (4); If take turns not parallel to the axial end and the terminal clamp workplace of axle (4), oscillating electrode plate (29) is under the effect of clamping pressure, can cater to the end face of tested measuring wheel as universal joint to axle (4), freely along Y direction and Z-direction deflection, automatic seam tracking through weaving torch centering is held out against, make each point on the electrode surface, all the end face of axle (4) is close to and is contacted conduction with tested measuring wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101127251A CN100410660C (en) | 2003-12-20 | 2003-12-20 | Double row comb electrode folding coil wheel pair magnaflux |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101127251A CN100410660C (en) | 2003-12-20 | 2003-12-20 | Double row comb electrode folding coil wheel pair magnaflux |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1629631A true CN1629631A (en) | 2005-06-22 |
| CN100410660C CN100410660C (en) | 2008-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2003101127251A Expired - Fee Related CN100410660C (en) | 2003-12-20 | 2003-12-20 | Double row comb electrode folding coil wheel pair magnaflux |
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| CN (1) | CN100410660C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183578A (en) * | 2010-07-26 | 2011-09-14 | 北京聚龙科技发展有限公司 | Wheel set fluorescent magnetic powder flaw detector |
| CN103063739A (en) * | 2012-12-21 | 2013-04-24 | 射阳县无损检测技术研究所 | Automatic image acquiring magnetic particle flaw detector for train axles |
| CN103235035A (en) * | 2013-03-28 | 2013-08-07 | 射阳县无损检测技术研究所 | Double-row comb-shaped electrode folding coil wheel pair magnetic particle flaw detector |
| CN103675092A (en) * | 2012-08-30 | 2014-03-26 | 射阳县无损检测技术研究所 | Retractable coil magnetic particle flaw detector with compatible wheel diameter |
| CN106198717A (en) * | 2016-07-07 | 2016-12-07 | 北京磁通设备制造有限公司 | Magnetic powder inspection moving coil magnetizing assembly and method |
| CN106248783A (en) * | 2016-08-29 | 2016-12-21 | 江苏赛福探伤设备制造有限公司 | Railway wheel is to large-scale Guan Bi yoke formula magnaflux |
| CN111505112A (en) * | 2020-06-17 | 2020-08-07 | 北京磁通设备制造有限公司 | Side rolling resistant torsion bar magnetic powder flaw detector for passenger train and flaw detection method |
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| JPS5441187A (en) * | 1977-09-08 | 1979-04-02 | Nippon Kokan Kk | Device for detecting surface flaw of columnar or cylindrical metal |
| CN1021711C (en) * | 1990-05-17 | 1993-07-28 | 铁道部戚墅堰机车车辆工艺研究所 | Magnetic powder flaw detector for ring parts |
| DE4122328A1 (en) * | 1991-07-05 | 1993-01-07 | Tiede Gmbh & Co Risspruefanlagen | Interference-free testing device for ferromagnetic metallic workpieces partic. for automobile industry - subjects material continuously or intermittently to several electromagnetic processing fields and then passes onto test station |
| AT400429B (en) * | 1993-12-10 | 1995-12-27 | Vae Ag | METHOD FOR DETERMINING THE SCANING AREA OF VEHICLE-ACTUATED MEASURING DEVICES AND DEVICE FOR ADJUSTING AND ADJUSTING MEASURING DEVICES ON TRACKWAYS RELATIVE TO WHEEL SENSORS |
| DE19836513A1 (en) * | 1998-08-12 | 2000-02-17 | Fiessler Elektronik Wolfgang F | Device to test sample objects for internal defects, especially for in-service testing of train wheels has arrangement of electromagnet placed close to wheel with associated measurement coil |
| CN2468049Y (en) * | 2001-02-14 | 2001-12-26 | 徐征 | Multi-pin roller magnaflux inspection machine |
| CN2510867Y (en) * | 2001-12-20 | 2002-09-11 | 孙劲樵 | Automatic turning-conveying apparatus for magnetic powder defects-detection of work piece to be detected |
| JP3841020B2 (en) * | 2002-05-28 | 2006-11-01 | 住友金属工業株式会社 | Railway wheel magnetic particle inspection method and magnetic particle inspection device |
| CN2563573Y (en) * | 2002-09-03 | 2003-07-30 | 曾德文 | Bolster/side fame flow detection holder |
| CN2670943Y (en) * | 2003-12-20 | 2005-01-12 | 孙劲楼 | Wheel pair magnet powder tester with double row comb electrodes and coils |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183578A (en) * | 2010-07-26 | 2011-09-14 | 北京聚龙科技发展有限公司 | Wheel set fluorescent magnetic powder flaw detector |
| CN102183578B (en) * | 2010-07-26 | 2013-06-19 | 北京聚龙科技发展有限公司 | Wheel set fluorescent magnetic powder flaw detector |
| CN103675092A (en) * | 2012-08-30 | 2014-03-26 | 射阳县无损检测技术研究所 | Retractable coil magnetic particle flaw detector with compatible wheel diameter |
| CN103063739A (en) * | 2012-12-21 | 2013-04-24 | 射阳县无损检测技术研究所 | Automatic image acquiring magnetic particle flaw detector for train axles |
| CN103063739B (en) * | 2012-12-21 | 2016-02-10 | 射阳县无损检测技术研究所 | Train axle automated graphics picked-up magnaflux |
| CN103235035A (en) * | 2013-03-28 | 2013-08-07 | 射阳县无损检测技术研究所 | Double-row comb-shaped electrode folding coil wheel pair magnetic particle flaw detector |
| CN106198717A (en) * | 2016-07-07 | 2016-12-07 | 北京磁通设备制造有限公司 | Magnetic powder inspection moving coil magnetizing assembly and method |
| CN106248783A (en) * | 2016-08-29 | 2016-12-21 | 江苏赛福探伤设备制造有限公司 | Railway wheel is to large-scale Guan Bi yoke formula magnaflux |
| CN106248783B (en) * | 2016-08-29 | 2023-12-05 | 江苏赛福探伤设备制造有限公司 | Large-scale closed magnetic yoke type magnetic particle flaw detector for railway wheel set |
| CN111505112A (en) * | 2020-06-17 | 2020-08-07 | 北京磁通设备制造有限公司 | Side rolling resistant torsion bar magnetic powder flaw detector for passenger train and flaw detection method |
| CN111505112B (en) * | 2020-06-17 | 2023-08-25 | 北京磁通设备制造有限公司 | Anti-side-rolling torsion bar magnetic particle inspection machine for railway passenger car and inspection method |
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| CN100410660C (en) | 2008-08-13 |
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Owner name: JIANGSU MAGNETIC ENERGY DETECTOR CO., LTD. Free format text: FORMER OWNER: SUN JINLOU Effective date: 20110812 |
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Effective date of registration: 20110812 Address after: 224005, Jiangsu, Yancheng City County, Sheyang County, Hopewell Town Airport Road West of Hexing Industrial Park (former Tong five group) Patentee after: JIANGSU MAGNETIC DETECTION MACHINES CO., LTD. Address before: 224005 No. 176 liberation South Road, Jiangsu, Yancheng City Province Patentee before: Sun Jinlou |
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Granted publication date: 20080813 Termination date: 20161220 |
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