CN1059620C - Portal-tupe roll-through wheel lathe for machining of railway wheelsets - Google Patents
Portal-tupe roll-through wheel lathe for machining of railway wheelsets Download PDFInfo
- Publication number
- CN1059620C CN1059620C CN95197364A CN95197364A CN1059620C CN 1059620 C CN1059620 C CN 1059620C CN 95197364 A CN95197364 A CN 95197364A CN 95197364 A CN95197364 A CN 95197364A CN 1059620 C CN1059620 C CN 1059620C
- Authority
- CN
- China
- Prior art keywords
- wheel
- lathe
- roller
- axis
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B5/28—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for turning wheels or wheel sets or cranks thereon, i.e. wheel lathes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turning (AREA)
Abstract
The invention describes the Portal-type Roll-through Wheel Lathe for machining of wheels (2) and brake discs of wheelset (1), dismantled from the rail vehicle and clamped in two centers (29) of quills (28), installed extendably in tailstocks (27) of portal body (6). Each tailstock is provided with guideways (30) for pressing-driving units (31) of two pairs of rollers (35, 35'), each pair for each driven wheel (2), mounted movably. The body (31') of unit (31) is provided with hinged (upwards and downwards) double-arm levers (32, 32', 33, 33'), fixed by means of shafts (34), which arms (32', 33') are coupled with the body (31') by means of cylinders (37) with compensators, for example spring type, pressing asymmetrically the rollers (35, 35') against wheels (2), and roller shafts with holders and drives (36) are fixed in the arms (32, 33) of lever. The Wheel Lathe is also equipped with floor segments (21, 21'), connected with a joint (26), which is fixed to the consoles (7), and the segment (21') is provided with lifting jack (23) for wheels (2) and cylinder (24) lifting the floor to the rails level, and then only segment (21) just over the rails level.
Description
What the present invention relates to is flame car wheel lathe, in order to tearing open from the wheel of the wheels of vehicle and the processing of brake disc, and adopts and is positioned on the tailstock of gantry movably two quill center clampings and is driven by being located at the friction roller that this wheels wheel portion cuts on the rail level.
This known class lathe can be by for example being 3809250 Deutsche Bundespatent and number being to have gained some understanding in 159898 the Poland Patent that two tailstocks of the band central part displaceable sleeve axle that clamps as wheels are wherein arranged.This lathe also has two saddles that can move horizontally, and laterally (radially) wheel of lathe blade and two groups of friction-driven movably of relative wheels axis is arranged, and each is made up of four running rollers, radially is provided with and is pressed against this wheel in pairs relatively each other.When this solution is passed through in wheel, can transmit sizable force of periphery on the wheel of wheels in the imitated wheel shape process of row more in a continuous manner.Yet experience shows that above-mentioned friction roller often causes the obstruction of cutting smear metal on the rail level at finished wheel, and what follow with it is unallowable manufacturing deficiency to occur.
On the other lathe of learning in German patent DE 3931747 specifications, then have to make with the suitable method of synchronization and play a bottom supporting roller lever system of each being taken turns similar jack effect by electronic control system; The lever system of one or two apex roller has constituted a main friction-driven to wheels, and is hanging this lever and be equipped with joint and cylinder body for reposefully roll-in being against irregular wheel surface near the roller place in the jockey that the two ends of lathe are located; The movably quill of two band back dead centres is in order to the centering and the clamping of this vehicle wheel component.This backing roll system constitutes a carriage that moves up and down by a device of two helical gears that independent motor drives.Second carriage that has at least one pressure roller can be close to wheels simultaneous displacement and relative this bottom setting up and down with band helical gear and hydraulic cylinder.The mutual stroke of two lever carriages of band down roller carries out synchronously.Be fixed on this carriage lever, two down roller by with wheel assembly on the scrambling of wheel rolling contact surfaces force, make to have the related radial stroke of servo-actuated.
From the description of European patent EP 0528058, learn, the another kind distortion of this invention is to carry out method for processing, wherein is clipped in supercentral this wheel assembly of quill by at least one friction roller of carriage lever, with defeating on the flange that comes to this at least one wheel of wheels of determining.Under pressure influence, this roller is contacted with the shape of the variation on this flange top in constant mode, and this cutting element is simulated the shape of this profile and is directed continuously, cuts rail level outside to the top of this flange and be parallel to the wheels axis and draw these cutters certainly wheel.In the stage subsequently, begin to process this flange to the top of this flange from interior face surface.Utilize the flange at least one wheel to overcome between wheel outer peripheral face and friction roller outer surface and contact the danger that mode is stopped up smear metal with the friction roller to drive this wheel assembly.At this, " wheel outer surface " speech refers to the rail level of cutting of wheel, the surface between ledge surface and above-mentioned these faces.For a kind of like this method, can adopt in the German patent DE 3931747 lathe of describing, the roller that should rub is used straight roller instead or is with circumferential groove or half groove, against their flange part with wheels.
Next, the deformation of this method and lathe is a kind of for what described in the European patent EP 537376, and wherein wheel assembly is by the center fixture clamping, and adopts and be pressed against the friction roller that wheel cuts on the rail level and drive.By this scheme, at least one the friction roller that is provided by driver is compressed against cutting on the rail level of at least one wheel of wheel assembly with the power of determining.This roller under pressure keeps persistent with the contact surface of radial variations and contacts, and a gabarit shape part exceeds its contact-making surface in process, enter then in this contact zone.The contact surface that leaves friction roller because of the cutting depth of the smear metal of not discharged near this zone is understood on finished like this surface.
The another kind of this solution changes, and the initial manufacture of this contact zone between this friction roller and wheel at first is provided, and makes to obtain a smooth contact surface of frictional force greatly, and therefore the smear metal of big cross section is arranged.This can also overcome the frequent change by the caused radial load of hysteresis of external force system.
This invention exercise question is the detailed description of this design of this lathe, the friction driving roller that wherein depends on the outer shape of round cut rail level will can not allow the smear metal of the blemish that causes the processed shape that does not allow enter the contact zone, and provide so that the power of wheel assembly minimal deformation, and clamp and the feeding device of this wheel assembly of centering, provide enough moment for doing economic gabarit cutting.
By in the lathe of the present invention, the packaged type pressure clamping device of two pair of rollers (each is to being used for the wheel that is driven of this wheel assembly) that are contained on parallel lathe longitudinal axis, the footstock guide is arranged.Each driving clamping device comprises body and is loaded on hinged (up and down) top end double-arm lever of this body by axle.Arms of these top end levers can leave farther from this lathe longitudinal axis, and connect mutually with this body by the cylinder body of pressure compensator of band friction roller.By radially being oppositely arranged and being clamped on the axle of being adorned in the clamper upper bearing (metal), the lever that is contained in the arm is then nearer from this longitudinal axis each other for a pair of friction roller.Each roller provides driving and its force value difference to wheel separately, and change according to the variation of cutting force threshold, and be present in the Different Plane of passing the lathe longitudinal axis, depart from the vertical plane of slide unit motion (band cutter) and still pass this longitudinal axis.
Lathe also have with rotating manner be loaded on this support and be located at portal frame and wheel assembly under the floor.Two parts that a useful joint, this floor links to each other.A part is equipped with lifting jack and cylinder body, its second end be fixed in this base portion with the lifting floor to the track level, then only to that part of effect of band lifting jack, and this part also plays wheel assembly shirked and lathe and effect that the track that arrives gets on.In the pressure actuated device of this lathe, with the vertical plane of axial line of turning with respect to lever turning cylinder upper lever, the plane that forms perpendicular to the guide rail symmetry axis of this device and the longitudinal axis of lathe, and each end driven roller of this top driven roller asymmetric localization is positioned at the zone that smear metal is had protective action relatively, see that with this cross section surface of taking turns formation for example to the covering of rotor, crosses this help roll.In the lathe, the circulation that aligns of wheel assembly axis and gage outfit mobile has the relevant of electronics mode on the motion of this lifting jack, lifting and the central shaft.
The operational instances that the present invention represents with accompanying drawing is described in more detail, wherein Fig. 1 has represented the right-hand part of lathe of the present invention from the place ahead, Fig. 2 is for pressing the local cross-sectional side view of pressing I-I in Fig. 1 lathe, Fig. 3 is the top view of Fig. 1 lathe, Fig. 4 for amplify by Fig. 1 W to the pressure actuated device of seeing, Fig. 5 is that external force system schematic and Fig. 6 of acting on the wheel are the force polygon figure that presses Fig. 5.
By in the lathe of the present invention, be symmetrical structure and in figure, only shown half of lathe owing to have with axis 18.Lathe among Fig. 1 to 3 has the body 6 with gantry form, and it is drawn and be connected with middle part 8 by building on two supports 7 on the basis.Each support has and is loaded on the tailstock body 27 on its preceding vertical surface and is equipped with known devices (be equipped with top 29 extensible quill 28 be centered on the machine axes 17 in order to clamping and with wheel assembly 1).Similarly, there is known guide rail 9 at the middle part 8 of gantry body 6, be used for installing to this anterior face along the saddle 9 ' of axis 17 removable location, it is equipped with slide unit 11 and 12, can does movably location on the vertical plane that is orthogonal to axis 17, and a gage outfit (figure does not show).The horizontal displacement of this saddle 9 ' is to realize by the driver 13 of a rotary nut, on the fixedly leading screw 10 of nut in the bearing of this part 8 that is contained in body 6.The radial motion of each slide unit 11,12 is realized in a similar manner by their driver 14, includes the spiral ball gear, the alternating current motor that toothed timing belt transmission device and band frequency are adjusted.Slide unit 11 provides the compound tool of clamping type, is designed to process the side surface that is contained in brake disc on the wheel assembly axle 2.
Slide unit 12 has clamped compound tool 15,16, can process and respectively take turns 2 profile and side 4,5.This bilateral cutter 16 can be replaced relative machine axes 17 by cutter 15 and do the vertical and horizontal displacement.Tailstock 27 is contained on the guide rail 30 that is orthogonal on the axis 17 relative vertical plane obliquities, and promising pressure actuated device 31 of respectively taking turns 2 usefulness can be along axis 17 move mode settings with it.Each is taken turns 2 device 31 and comprises body 31 ', in hinged way be loaded on its (up and down) on 34 paired top 32,32 ' and be connected with the end 33,33 ' double-arm lever.From the arm 32 ', 33 ' of this farther lever of axis 17 by for example for the pressure compensator of spring (accumulator) is connected with cylinder body 37, the wheel 2 that is oppositely arranged with body 31 ' is cut the radially uneven degree of rail level 3 and is reacted.On near this lever arm portion 32,33 of axis 17, clamper and fixing driver 36 are arranged, axle is contained in the bearing on the clamper and has clamped friction roller 35,35 '.This roller 35,35 ' is oppositely arranged with diametric(al) each other, 37 that acted on by cylinder body, be present on the Different Plane 38,39 of passing axis 17, and cross the power that varies in size 40,41 of the vertical planes inclination of axis 17 relative slide units 11,12 motions, put on this and take turns 2 cut on the rail level 3.Drive and respectively to take turns 2 frictional force 42,43 and take turns 2 pressure of cutting on the roller 35,35 ' of rail level 3 the 40, the 41st with being resisted against, proportional.Each roller 35, an axle driver 34 of 35 ' include, for example beidirectional planetary reducer and infinite variable speed asynchronous machine.
Being pressed against wheel 2, to cut the pressure 40,41 of roller 35 on the rail level 3,35 ' different value be along with the variation of circumference cutting force 44 in working angles changes.This variation is controlled by the proportioning valve of the hydraulic system of cylinder body 37.By the lever 32 of suspending, 32 ', 33,33 ' the determined plane of axis perpendicular to by determined plane of guide rail 30 symmetry axis and machine axes 17, act on the external force 40 of wheel 2,42,41,43, what 44,45 (Fig. 6) polygon produced 48 acts on each centre of gyration 29 with joint efforts, and it is littler than the weight 46 of wheel assembly 1.
Bottom roller 35 ' is positioned at this smear metal guard plot, and the swivelling cover that this zone is discharged by wheel 2 cross-sectional surface and smear metal on the wiper rolls 47 of side forms.Top roller 35 before the cutting element from above the location, form passive, wedge-shaped surface with respect to the gyroscope wheel of this wheel assembly 1.Between two stands 7, track 25 is provided with floor 21,21 ' in the space 19 below horizontal, and installed by the device 20 that employing is fixed on the support 7.Ground plate portion 21 ' is equipped with the lifting jack 23 and the cylinder body 24 of wheel assembly 1 usefulness, be contained on this basis with self-localization method, and for relative its rotating shaft 22 makes floor 21,21 ' turn to a side and goes to the position shown in the dotted line from subvertical this position shown in solid line Fig. 2, and make ground board 21,21 ' and track 25 extension of joining.Two parts 21 are connected with joint 26 with 21 ', in order that make two parts that the inclination on a little plane, top be arranged each other.The ground plate portion 21 ' that has the lifting jack of wheel assembly 1 usefulness also plays the effect of wheel assembly ejector, after the profile fabrication cycles is finished, when cylinder body 24 action, satisfy relative to board 21 flatly and upwards rotate this one 21 ', so automatically roll out wheels on the track 25 that arrives.The motion of this lifting jack 23 in lifting and make in the circulation of wheel assembly 1 centering facing to top 29 axis, is to be associated with the gage outfit (not shown) that a kind of electronics mode and this move radially.Ground board 21,21 ' is when upper position, and is hidden under this middle part 8, constituted the skewed slot that the smear metal of generation in the processing is used then.The balladeur train 9 of the band ball nut of motor driver 13, the slide unit 11,12 of band motor driver 14, band motor driver 36 respectively drive friction roller 35,35 ' and the oil cylinder and the oil cylinder 24,37 of lifting jack 23 all be connected in Digit Control Machine Tool (CNC) system of the Machine-Tool Control that is equipped with the central control plate with cable separately.The CNC system is then by this main frame (figure does not show) control.
Title catalogue 1, wheel assembly 2, the wheel 3 of wheel assembly, wheel cut rail level 4, interior to surface 5, export-oriented surface 6, gantry body 7, support 8, middle part 9, guide rail 9 ', saddle 10, leading screw 11, slide unit 12, outer slide unit 13, ball nut driver 14, slide unit driver 15, cutter 16, bilateral cutter 17, lathe longitudinal axis 18, lathe transversal line 19, space 20, assembling device 21,21 ', ground plate portion 22, floor rotating shaft 23, lifting jack 24, cylinder body 25, track 26, joint 27, tailstock 28, quill 29, the centre of gyration 30, guide rail 31, pressure actuated device 31 ', body 32,32 ', top lever arm 33,33 ', bottom lever arm 34, lever shaft 35,35 ', driven roller 36, roll drive 37, oil cylinder 38, plane 39, plane 40, top roller pressure 41, bottom roller pressure 42, frictional force 43, frictional force 44, the cutting force 45 that works, by power 46, wheel assembly gravity 47, auxiliary wiping roller 48, make a concerted effort
Claims (10)
1, a kind of gantry rolls across the formula car wheel lathe, be used to tear open from the wheel of the wheel assembly of track vehicle and the processing of brake disc, wheels be clamped to two centers top on, top being located on two tailstocks being with quill, tailstock is contained on the surface of support, a middle part is arranged at the top that connects support, the middle part is provided with the saddle of band cutter slide unit, produce the device of the vertical and radial motion of balladeur train, slide unit and gage outfit, and be equipped with the floor that is clamped in body bottom, gantry and with rotating manner on this support, it is characterized by it and have two pair of rollers (35,35 ') driving pressure device (31 '), each is driven wheel (2) to being used for one, being installed on the guide rail (30) of tailstock (27) along the mode that this axis (17) moves; And it has hinged (upper and lower) both arms top (32,32 ') and the end (33,33 ') lever, install on each body (31 ') by axle (34), this arm (32 ', 33 ') pass through cylinder body (37) and roller to (35, first pressure (40 of first roller 35 '), 41) compensator is connected on the body (31 '), roller is oppositely arranged and has been contained in first pressure (40 with mutual diametric(al), 41) on the axle, second driven roller (35 ', 35) by having than first pressure (40,41) big second pressure (41,40) second pressure apparatus applies pressure on the wheel, and be contained on the bearing of clamper, clamper is assemblied in the lever arm (32 near axis (17), 33) on, also be provided with for each roller (35,35 ') driver of Zhuan Donging (36), and roller is to the numerical value (40 of the pressure of wheel (2), 47) be different, change along with the variation of cutting force (44) size, this power is present in the Different Plane (38 of passing axis (17), 39) on and by machine axes (17), and deflect from a side from the vertical plane of cutter slide unit motion, ground plate portion (21,21 ') be connected with joint (26), and this part (21 ') is provided with the lifting jack (23) prepared into wheel (2) and floor (21,22 ') is lifted to the cylinder body (24) of track (25) level, and has only this part (21 ') to play that a wheel assembly (1) is released lathe and the effect of ejector on this track that arrives.
2, press the car wheel lathe of claim 1, it is characterized by and wherein cross roller (35,35 ') skew lever (32,32 ', 33,33 ') this plane of place axle (34) axial line formation, plane and machine axes (17) perpendicular to the axis of symmetry place of footstock guide (30) and body (31 '), the corresponding top roller of each end friction roller (35 ') (35) then is provided with in asymmetric mode, its position is in this smear metal zone of protection, and this smear metal zone of protection is formed by cross section and the swivelling cover on wiper rolls (47) of wheel (2).
3, by the car wheel lathe one of in the claim 1 to 2, it is characterized by the wherein motion of this lifting jack (23), wherein lifting and to align this wheel assembly (1) this circulation on the axis of top (29) be associated in the electronics mode with moving of this gage outfit.
4,, it is characterized by it and comprise bite is put on device on the wheel with variable force that first and second power (40,41) change with the variation that bite is put on the power on the wheel by the car wheel lathe one of in the claim 1 to 2.
5,, it is characterized by described first and second power (40,41) and be positioned in the Different Plane (38,39) perpendicular to the axis (17) of vehicle wheel component (1) by the car wheel lathe one of in the claim 1 to 2.
6, by the car wheel lathe one of in the claim 1 to 2, it is characterized by it and comprise that the smear metal protection of driven roller (35) covers.
7,, it is characterized by the guide rail (30) that vertical symmetry plane that it comprises relative lathe tilts and is parallel to the axis (17) of vehicle wheel component by the car wheel lathe one of in the claim 1 to 2.
8, by the car wheel lathe one of in the claim 1 to 2, it is characterized in that each roller (35,35 ') that is used for the device of radial drive wheel comprises a drive unit (36).
9, by the car wheel lathe one of in the claim 1 to 2, it is characterized by, the motion of lifting jack (23) is associated in the electronics mode with moving of gage outfit in the circulation that lifting and set of wheels (1) are felt relieved in the axis of the centre of gyration (29).
10, by the car wheel lathe one of in the claim 1 to 2, it is characterized by ground plate portion (21,21 ') link to each other with joint (26), ground plate portion (21 ') is equipped with the lifting jack (23) and the lifting floor (21 of wheel, 21 ') cylinder body (24) that flushes to track (25), and ground plate portion (21 ') also plays a part vehicle wheel component (1) is released the ejector of lathe to the track.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PLP.306883 | 1995-01-17 | ||
PL95306883A PL175431B1 (en) | 1995-01-17 | 1995-01-17 | Gantry-type lathe for machining wheel sets |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1173151A CN1173151A (en) | 1998-02-11 |
CN1059620C true CN1059620C (en) | 2000-12-20 |
Family
ID=20064207
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN95197364A Expired - Fee Related CN1059620C (en) | 1995-01-17 | 1995-05-04 | Portal-tupe roll-through wheel lathe for machining of railway wheelsets |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0804311A1 (en) |
CN (1) | CN1059620C (en) |
PL (1) | PL175431B1 (en) |
RU (1) | RU2132255C1 (en) |
WO (1) | WO1996022171A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19911411A1 (en) * | 1999-03-15 | 2000-09-28 | Boehringer Werkzeugmaschinen | Machine tool |
DE19911412A1 (en) * | 1999-03-15 | 2000-11-30 | Boehringer Werkzeugmaschinen | Machine tool |
WO2009022936A1 (en) * | 2007-08-06 | 2009-02-19 | Limited Liabilitu Company 'the Ural Supersize Tguipment The Ural Carriage Building Plant' | Method if regeneration wheels driving structure |
CN101554665B (en) * | 2009-05-21 | 2012-06-20 | 孙文学 | On-orbit car wheel lathe being capable of processing multiunit wheels simultaneously |
CN111207163B (en) * | 2020-02-18 | 2024-07-09 | 赛轮集团股份有限公司 | Automatic brake device of steel belt feeding vehicle for tire building machine |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2465540A1 (en) * | 1979-09-19 | 1981-03-27 | Hegenscheidt Gmbh Wilhelm | Lathe for turning railway rolling stock wheels and axles - supports wheels on driving rollers with positional adjustment |
DE8617014U1 (en) * | 1986-06-26 | 1986-10-23 | Wilhelm Hegenscheidt Gmbh, 5140 Erkelenz | Lifting device |
DE4320504A1 (en) * | 1993-06-21 | 1994-12-22 | Freimuth Ulrich | Floor-mounted lathe with friction-roller drive for machining wheel sets with or without axle bearings or axle boxes |
DE9414398U1 (en) * | 1994-09-06 | 1994-12-22 | Hoesch Maschinenfabrik Deutschland GmbH, 44145 Dortmund | Lathe for simultaneously re-profiling two wheels of a wheel set removed from a rail vehicle |
-
1995
- 1995-01-17 PL PL95306883A patent/PL175431B1/en unknown
- 1995-05-04 EP EP95916869A patent/EP0804311A1/en not_active Withdrawn
- 1995-05-04 WO PCT/PL1995/000007 patent/WO1996022171A1/en not_active Application Discontinuation
- 1995-05-04 CN CN95197364A patent/CN1059620C/en not_active Expired - Fee Related
- 1995-05-04 RU RU96121353A patent/RU2132255C1/en active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2465540A1 (en) * | 1979-09-19 | 1981-03-27 | Hegenscheidt Gmbh Wilhelm | Lathe for turning railway rolling stock wheels and axles - supports wheels on driving rollers with positional adjustment |
DE8617014U1 (en) * | 1986-06-26 | 1986-10-23 | Wilhelm Hegenscheidt Gmbh, 5140 Erkelenz | Lifting device |
DE4320504A1 (en) * | 1993-06-21 | 1994-12-22 | Freimuth Ulrich | Floor-mounted lathe with friction-roller drive for machining wheel sets with or without axle bearings or axle boxes |
DE9414398U1 (en) * | 1994-09-06 | 1994-12-22 | Hoesch Maschinenfabrik Deutschland GmbH, 44145 Dortmund | Lathe for simultaneously re-profiling two wheels of a wheel set removed from a rail vehicle |
Also Published As
Publication number | Publication date |
---|---|
CN1173151A (en) | 1998-02-11 |
PL175431B1 (en) | 1998-12-31 |
RU2132255C1 (en) | 1999-06-27 |
PL306883A1 (en) | 1996-07-22 |
EP0804311A1 (en) | 1997-11-05 |
WO1996022171A1 (en) | 1996-07-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20130167609A1 (en) | Machine for deep-rolling axles | |
RU2405661C1 (en) | Portal-frame wheel lathe | |
JP2012061596A (en) | Method and machine for machining railway wheel | |
RU2556190C2 (en) | Reshaping of wheel pairs at appropriate turning machines | |
EP0241070A3 (en) | Adjustable steady rest for grinding machines for cylinders and the like | |
CN202200142U (en) | Double-purpose polishing machine | |
CN1059620C (en) | Portal-tupe roll-through wheel lathe for machining of railway wheelsets | |
CA2036142A1 (en) | Under-the-floor lathe for re-machining the wheels in railroad-vehicle wheel sets | |
CN101337326A (en) | Slide device for a machine tool | |
CN215199136U (en) | Channeling machine | |
SU1662344A3 (en) | Lathe for tooling brake disks of wheel pair | |
CN106429655B (en) | A kind of steel band draw off gear safe to use | |
CN110340252B (en) | Auxiliary construction device for electrified railway construction | |
CN100532719C (en) | Device for machining the sliding surfaces of rails by peripheral grinding | |
CN108908035A (en) | A kind of magnesium-alloy tube bar outer surface arrangement for grinding | |
RU2262416C1 (en) | Method and machine tool for turning wheel pairs | |
US4964201A (en) | Descaling abrading apparatus with abrading rolls | |
CN117817519B (en) | Large-scale automatic sharpening machine with turnover billet and bidirectional four-station | |
CN2285700Y (en) | Vertical roll apparatus of continuous rolling mill for variable cross-section rolling | |
CN221454719U (en) | Automatic feeding and discharging mechanism for laser cutting | |
US4729196A (en) | Apparatus for machining rail bearing surfaces | |
CN220097655U (en) | Automatic centering stepping conveying device for shaft parts | |
RU2759298C1 (en) | Method for processing the surface of the rail head and a device for its implementation | |
CN213195058U (en) | Double-line finish rolling device for producing deformed steel bars | |
RU2126313C1 (en) | Machine tool for turning wheel pairs |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |