NO139913B - DEVICE FOR COMPENSATION OF THE THREAD CLARGE BETWEEN ADJUSTABLE SCREWS AND NUTS USING SPRINGS PREFERREDLY IN STOLLOESE ROLLING MACHINES - Google Patents
DEVICE FOR COMPENSATION OF THE THREAD CLARGE BETWEEN ADJUSTABLE SCREWS AND NUTS USING SPRINGS PREFERREDLY IN STOLLOESE ROLLING MACHINES Download PDFInfo
- Publication number
- NO139913B NO139913B NO742654A NO742654A NO139913B NO 139913 B NO139913 B NO 139913B NO 742654 A NO742654 A NO 742654A NO 742654 A NO742654 A NO 742654A NO 139913 B NO139913 B NO 139913B
- Authority
- NO
- Norway
- Prior art keywords
- nut
- ring
- springs
- nuts
- thread
- Prior art date
Links
- 238000005096 rolling process Methods 0.000 title claims description 7
- 239000002023 wood Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/02—Rolling stand frames or housings; Roll mountings ; Roll chocks
- B21B31/04—Rolling stand frames or housings; Roll mountings ; Roll chocks with tie rods in frameless stands, e.g. prestressed tie rods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2203/00—Auxiliary arrangements, devices or methods in combination with rolling mills or rolling methods
- B21B2203/02—Backlash elimination
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/18—Mechanical movements
- Y10T74/18568—Reciprocating or oscillating to or from alternating rotary
- Y10T74/18576—Reciprocating or oscillating to or from alternating rotary including screw and nut
- Y10T74/18728—Backlash
Description
Foreliggende oppfinnelse vedrører en anordning for kompensering av gjengeklaringen mellom stillskruer og muttere ved hjelp av fjærer fortrinnsvis i stolløse valseverk, der stillskruene og mutterne er anordnet i valselagerhus for innstilling av valsegap, og der rommet for mutteren i hvert valselagerhus dekkes av et på valselagerhuset festet lokk. Oppfinnelsen vedrører den type av stolløse valseverk som beskrives i svensk patent 199.824, fig. 5 og 6 og som består av fire valselagerhus, i hvilke valsene er lagret og hvilke lagerhus er forbundet med to storskruer eller stillskruer som opptar og overfører valsekreftene fra det ene valselagerhus til det andre. The present invention relates to a device for compensating the thread clearance between setscrews and nuts by means of springs, preferably in seatless rolling mills, where the setscrews and nuts are arranged in roller bearing housings for setting the roller gap, and where the space for the nut in each roller bearing housing is covered by a lid attached to the roller bearing housing . The invention relates to the type of seatless rolling mill described in Swedish patent 199,824, fig. 5 and 6 and which consists of four roller bearing housings, in which the rollers are stored and which bearing housings are connected by two large screws or set screws which absorb and transfer the rolling forces from one roller bearing housing to the other.
Uten kompensering av gjengeklaringen vil ved tomgang de øvre lagerhus hvile på mutternes overside/ og mutterne hviler i sin tur med sine nedre gjengeflanker på skruenes øvre gjengeflanker. Når derpå valsegodset innføres mellom valsene vil den opp-adrettede valsekraft løfte lagerhuset så meget som alle gjenge-klaringer tillater, og kontakt mellom mutternes øvre og skruenes nedre gjengeflanker fås. Dette bevirker svære slag, som kan gi skader på inngående detaljer. Det medfører også en meget sterk slitasje og umuliggjør presise innstillinger av valsespal-ten. Da gjengeklaringen varierer ved forskjellige skruer og muttere vanskeliggjøres en beregning av forinnstillingen av valse-spalten, foruten at toleransene for valsegodsets første ende re-duseres. Without compensating the thread clearance, at idle the upper bearing housings will rest on the upper side of the nuts/ and the nuts in turn rest with their lower threaded flanks on the upper threaded flanks of the screws. When the rolling stock is then introduced between the rollers, the upwardly adjusted rolling force will lift the bearing housing as much as all thread clearances allow, and contact between the upper thread flanks of the nuts and the lower thread flanks of the screws is achieved. This causes severe impacts, which can cause damage to internal details. It also causes very strong wear and makes precise settings of the roller gap impossible. As the thread clearance varies with different screws and nuts, a calculation of the pre-setting of the roll gap is made difficult, besides the tolerances for the first end of the rolled stock are reduced.
For å unngå disse effekter har man tidligere plassert fjærer eller hydrauliske stempler mellom nedre og øvre lagerhus, hvilke presset opp det øvre lagerhus med så stor kraft at alle gjenge-klaringer ble kompensert. To avoid these effects, springs or hydraulic pistons were previously placed between the lower and upper bearing housings, which pushed the upper bearing housing up with such great force that all thread clearances were compensated.
Valsediametre og valsespalte varierer innenfor vide grenser, og det har vist seg vanskelig å få plass med tilstrekkelig lange fjærer, som kan gi tilstrekkelig fjærkraft ved alle forekommende valsediametre og valsespalter. Man er derfor blitt tvunget til å anvende mellomlegg, som dekker begrensede områder. Ved an-vendelse av oljehydrauliske stempler på den andre side fordres en trykkfrembringer samt diverse slangeforbindelser. Selv om trykket teoretisk sett bare behøver å opprettholdes ved inn- og utgående valsegods, så har det i praksis vist seg nødvendig å opprettholde et konstant trykk. I begge alternativ er anordning-ene dessuten utsatt for vann, smuss og varme og kan bli ødelagt ved skrotkjøring. Ved det oljehydrauliske alternativ medfører et slangebrudd at olje spruter ut. Roll diameters and roll gaps vary widely, and it has proven difficult to find space with sufficiently long springs, which can provide sufficient spring force for all existing roll diameters and roll gaps. One has therefore been forced to use spacers, which cover limited areas. When using oil-hydraulic pistons, on the other hand, a pressure generator and various hose connections are required. Although the pressure theoretically only needs to be maintained for incoming and outgoing rolled goods, in practice it has proved necessary to maintain a constant pressure. In both alternatives, the devices are also exposed to water, dirt and heat and can be destroyed by scrapping. With the oil-hydraulic option, a hose break causes oil to spray out.
Oppfinnelsen vedrører en kompensering av gjengeklaringen med fjærer, hvis spennlengde ikke endres ved endring av valsediame-ter^eller valsespalte. The invention relates to a compensation of the thread clearance with springs, the span length of which does not change when the roller diameter or roller gap is changed.
Oppfinnelsen kjennetegnes ved at det mellom mutteren og lokket er montert en på stillskruen gjenget ring på en viss avstand fra mutteren, hvilken ring er justerbart rotasjonslåst i forhold til mutteren, at det mellom ringen og lokket er anordnet et antall, f.eks. tre, fjærer, og at avstanden mellom ringen og mutteren er slik at de nedre gjengeflanker på ringen hviler på skruens øvre gjengeflanker samtidig som mutterens øvre gjenge-flaiflcer er i sikker kontakt med skruens nedre gjengeflanker. The invention is characterized by the fact that a ring threaded onto the set screw is mounted between the nut and the lid at a certain distance from the nut, which ring is adjustable in rotation in relation to the nut, that a number is arranged between the ring and the lid, e.g. wood, springs, and that the distance between the ring and the nut is such that the lower thread flanks of the ring rest on the screw's upper thread flanks at the same time that the nut's upper thread flails are in secure contact with the screw's lower thread flanks.
Oppfinnelsen skal beskrives ytterligere nedenfor under henvisning til tegningene som viser en utforelsesform av oppfinnelsen, hvor The invention will be further described below with reference to the drawings which show an embodiment of the invention, where
fig. 1 viser et halvt valselagerhus i snitt samt en del av en stillskrue samt mutter, fig. 1 shows half a roller bearing housing in section as well as part of a set screw and nut,
fig. 2 viser et snitt efter linjen II-II i fig. 1, fig. 2 shows a section along the line II-II in fig. 1,
fig. 3 viser et snitt efter linjen III-III i fig. 1, og fig. 4 viser skjematisk en forstbrrelse av en del av fig. 1. fig. 3 shows a section along the line III-III in fig. 1, and fig. 4 schematically shows an enlargement of a part of fig. 1.
Fig. 1 viser et snitt gjennom et halvt valselagerhus 1 med en Fig. 1 shows a section through half a roller bearing housing 1 with a
mutter 2 og en skrue 3. Rommet i lagerhuset 1 for mutteren 2 nut 2 and a screw 3. The space in the bearing housing 1 for the nut 2
og skruen 3 dekkes av et på lagerhuset fastskrudd lokk 4. and the screw 3 is covered by a cover 4 screwed onto the bearing housing.
Mellom mutteren 2 og lokket 4 er der en på skruen 3 gjenget Between the nut 2 and the lid 4 there is a threaded screw 3
ring 5, som er justerbart rotasjonslåst til mutteren 2, slik at når skruen 3 dreies vil mutteren 2 og ringen 5 folges ad langsefter skruen 3. Mellom ringen 5 og lokket 4 er det et antall fjærer 6, på hvilke lagerhuset 1 hviler via lokket 4. Rotasjonslåsingen tilveiebringes f.eks. med splinter 8. R6r-systemet 9 og kanalsystemet 10 er beregnet for smoring av gjengeflåtene på skruen 3, mutteren 2 og ringen 5. Fig. 2 og 3 har til hensikt å vise som eksempel at antall fjærer 6 kan være tre og antall splinter 8 kan være fire. Fig. 4 viser i detalj hvorledes kompenseringen av gjengeklaringen tilveiebringes. Ringen 5 hviler med de nedre gjengeflanker 11 på skruens 3 øvre gjengeflanker 12. Ved at ringen 5 dreies i forhold til mutteren 2 kan fjærene 6 spennes slik at fjærkraften blir tilstrekkelig via lokket 4. Lagerhuset 1 og den sfæriske ring 5, which is adjustable rotationally locked to the nut 2, so that when the screw 3 is turned, the nut 2 and the ring 5 will follow along the length of the screw 3. Between the ring 5 and the lid 4 there are a number of springs 6, on which the bearing housing 1 rests via the lid 4 The rotation locking is provided e.g. with cotter pin 8. The R6r system 9 and the channel system 10 are intended for lubricating the thread floats on the screw 3, the nut 2 and the ring 5. Fig. 2 and 3 are intended to show as an example that the number of springs 6 can be three and the number of cotter pins 8 can be four. Fig. 4 shows in detail how the compensation of the thread clearance is provided. The ring 5 rests with the lower threaded flanks 11 on the upper threaded flanks 12 of the screw 3. By turning the ring 5 in relation to the nut 2, the springs 6 can be tensioned so that the spring force is sufficient via the cover 4. The bearing housing 1 and the spherical
skive 7 løfter mutteren 2, slik at dens øvre gjengeflanker 14 kom-mer i sikker kontakt med skruenes 3 nedre gjengeflanker 13. Ringen 5 rotasjonslåses derpå til mutteren 2 ved hjelp av splintene 8. disc 7 lifts the nut 2, so that its upper threaded flanks 14 come into secure contact with the lower threaded flanks 13 of the screws 3. The ring 5 is then rotationally locked to the nut 2 by means of the cotter pins 8.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7310151A SE384456B (en) | 1973-07-20 | 1973-07-20 | DEVICE FOR SLAP COMPENSATION FOR ROLLING MILL |
Publications (3)
Publication Number | Publication Date |
---|---|
NO742654L NO742654L (en) | 1975-02-17 |
NO139913B true NO139913B (en) | 1979-02-26 |
NO139913C NO139913C (en) | 1979-06-06 |
Family
ID=20318109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO742654A NO139913C (en) | 1973-07-20 | 1974-07-19 | DEVICE FOR COMPENSATION OF THE THREAD CLARGE BETWEEN ADJUSTABLE SCREWS AND NUTS USING SPRINGS PREFERREDLY IN STOLLOESE ROLLING MACHINES |
Country Status (13)
Country | Link |
---|---|
US (1) | US3918287A (en) |
JP (1) | JPS5811282B2 (en) |
BR (1) | BR7405985D0 (en) |
DD (1) | DD116402A5 (en) |
DE (1) | DE2434792A1 (en) |
ES (1) | ES428423A1 (en) |
FI (1) | FI63873C (en) |
FR (1) | FR2237691B1 (en) |
GB (1) | GB1481104A (en) |
IN (1) | IN141180B (en) |
IT (1) | IT1019730B (en) |
NO (1) | NO139913C (en) |
SE (1) | SE384456B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104889156A (en) * | 2015-06-03 | 2015-09-09 | 中冶华天南京工程技术有限公司 | Bars reducing and sizing mill |
CN106090197A (en) * | 2016-08-24 | 2016-11-09 | 中冶华天南京工程技术有限公司 | A kind of device for eliminating thread clearance and assembly method thereof |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR439116A (en) * | 1912-01-18 | 1912-06-06 | Maschinenfabrik Sack G M B H | Device for height adjustment of the upper roll of rolling mills |
US1948804A (en) * | 1932-02-01 | 1934-02-27 | Barton R Shover | Screw-down |
BE446041A (en) * | 1941-08-05 | |||
US2506681A (en) * | 1943-05-21 | 1950-05-09 | Norlindh Sven Erik Malte | Roll-bearing device |
US2919596A (en) * | 1958-02-24 | 1960-01-05 | Gorton George Machine Co | Anti-backlash nut |
FR1358628A (en) * | 1962-03-08 | 1964-04-17 | Morgardshammars Mek Verkst Sa | Improvements made to the assembly of rolling mill cylinders with rigid bearings |
GB1189665A (en) * | 1966-09-09 | 1970-04-29 | United Eng Foundry Co | Hydro-Mechanical Gauge Control System for a Rolling Mill |
US3592075A (en) * | 1969-10-22 | 1971-07-13 | Marion A Clark | Steering mechanism |
-
1973
- 1973-07-20 SE SE7310151A patent/SE384456B/en unknown
-
1974
- 1974-07-17 FR FR7424803A patent/FR2237691B1/fr not_active Expired
- 1974-07-17 GB GB31631/74A patent/GB1481104A/en not_active Expired
- 1974-07-18 IT IT25351/74A patent/IT1019730B/en active
- 1974-07-18 US US489702A patent/US3918287A/en not_active Expired - Lifetime
- 1974-07-19 BR BR5985/74A patent/BR7405985D0/en unknown
- 1974-07-19 ES ES428423A patent/ES428423A1/en not_active Expired
- 1974-07-19 NO NO742654A patent/NO139913C/en unknown
- 1974-07-19 DE DE2434792A patent/DE2434792A1/en not_active Ceased
- 1974-07-19 FI FI2219/74A patent/FI63873C/en active
- 1974-07-20 JP JP49083736A patent/JPS5811282B2/en not_active Expired
- 1974-07-22 DD DD180052A patent/DD116402A5/xx unknown
- 1974-07-30 IN IN1698/CAL/74A patent/IN141180B/en unknown
Also Published As
Publication number | Publication date |
---|---|
SE7310151L (en) | 1975-01-21 |
FI221974A (en) | 1975-01-21 |
NO742654L (en) | 1975-02-17 |
IN141180B (en) | 1977-01-29 |
NO139913C (en) | 1979-06-06 |
FI63873C (en) | 1983-09-12 |
JPS5044151A (en) | 1975-04-21 |
ES428423A1 (en) | 1976-10-16 |
BR7405985D0 (en) | 1975-05-06 |
IT1019730B (en) | 1977-11-30 |
DE2434792A1 (en) | 1975-02-06 |
FR2237691A1 (en) | 1975-02-14 |
JPS5811282B2 (en) | 1983-03-02 |
GB1481104A (en) | 1977-07-27 |
DD116402A5 (en) | 1975-11-20 |
US3918287A (en) | 1975-11-11 |
FI63873B (en) | 1983-05-31 |
FR2237691B1 (en) | 1978-07-07 |
SE384456B (en) | 1976-05-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NO136839B (en) | 1,2,4-TRIAZOLE DERIVATIVES WITH FUNGICIDE EFFECT. | |
NO147865B (en) | PROCEDURE FOR REGUMMING VEHICLE TIRES. | |
NO147795B (en) | Hardenable epoxy resin blends. | |
US2551774A (en) | Self-aligning rotary kiln | |
NO139913B (en) | DEVICE FOR COMPENSATION OF THE THREAD CLARGE BETWEEN ADJUSTABLE SCREWS AND NUTS USING SPRINGS PREFERREDLY IN STOLLOESE ROLLING MACHINES | |
US3572079A (en) | Rolling mills | |
CN102227263B (en) | Roller mill for grinding particulate material | |
US165819A (en) | Ighatitfs jela | |
US775923A (en) | Thrust-bearing. | |
AU2003239826A1 (en) | Device for influencing in a controlled manner the load pressure of pressure rollers | |
ATE65948T1 (en) | DEVICE FOR THE AXIAL SHIFT OF ROTATING ROLLERS. | |
US1095067A (en) | Bearing. | |
NO147794B (en) | PROCEDURE FOR THE PREPARATION OF VINYL CHLORIDE POLYMERS | |
US1883749A (en) | Variable speed transmission | |
US1910148A (en) | Rolling mill | |
US1544572A (en) | Rolling-mill housing | |
US591713A (en) | Rolling-mill | |
US655554A (en) | Roll-relieving device for rolling-mills. | |
US946252A (en) | Roll-brake. | |
KR200196932Y1 (en) | Multifunctional auxiliary center device for roll grinder | |
US1930319A (en) | Friction clutch | |
US317167A (en) | Roller-roughing machine | |
NO149437B (en) | FRICTION CONNECTION WITH DOUBLE CONE, SPECIAL FOR DRIVING DEVICES FOR BAATER | |
RU2085286C1 (en) | Roll mill | |
RU2096104C1 (en) | Idle gear assembly of reduction gear for screwdown mechanism of primary mill |