GB1588686A - Creation of Inventions and Patents with Artificial Intelligence

GB1588686A – Selflubricating coupling
– Google Patents

GB1588686A – Selflubricating coupling
– Google Patents
Selflubricating coupling

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Publication number
GB1588686A

GB1588686A
GB18091/78A
GB1809178A
GB1588686A
GB 1588686 A
GB1588686 A
GB 1588686A
GB 18091/78 A
GB18091/78 A
GB 18091/78A
GB 1809178 A
GB1809178 A
GB 1809178A
GB 1588686 A
GB1588686 A
GB 1588686A
Authority
GB
United Kingdom
Prior art keywords
shaft
sleeve
gear
coupling
reservoir
Prior art date
1977-08-03
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

Application number
GB18091/78A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Beazer East Inc

Original Assignee
Koppers Co Inc
Priority date (The priority date 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 date listed.)
1977-08-03
Filing date
1978-05-05
Publication date
1981-04-29

1978-05-05
Application filed by Koppers Co Inc
filed
Critical
Koppers Co Inc

1981-04-29
Publication of GB1588686A
publication
Critical
patent/GB1588686A/en

Status
Expired
legal-status
Critical
Current

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Classifications

F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL

F16N—LUBRICATING

F16N11/00—Arrangements for supplying grease from a stationary reservoir or the equivalent in or on the machine or member to be lubricated; Grease cups

F16N11/04—Spring-loaded devices

B—PERFORMING OPERATIONS; TRANSPORTING

B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL

B21B—ROLLING OF METAL

B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives

B21B35/14—Couplings, driving spindles, or spindle carriers specially adapted for, or specially arranged in, metal-rolling mills

B21B35/142—Yielding spindle couplings; Universal joints for spindles

B21B35/143—Yielding spindle couplings; Universal joints for spindles having slidably-interengaging teeth, e.g. gear-type couplings

F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL

F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES

F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive

F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts

F16D3/18—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts the coupling parts (1) having slidably-interengaging teeth

F16D3/185—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts the coupling parts (1) having slidably-interengaging teeth radial teeth connecting concentric inner and outer coupling parts

F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL

F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES

F16D2300/00—Special features for couplings or clutches

F16D2300/06—Lubrication details not provided for in group F16D13/74

Description

( 21) Application No 18091/78
( 31) Convention Application No.
( 11) 1 588 686 ( 22) Filed 5 May 1978 821 347 ( 32) Filed ( 33) United States of America (US) ( 44) Complete Specification published 29 April 1981 ( 51) INT CL 3 F 16 D 3/18 ( 52) Index at acceptance F 2 U 510 539 571 3 Aug 1977 in ( 54) IMPROVEMENTS IN OR RELATING TO SELF-LUBRICATING COUPLING ( 71) We, KOPPERS COMPANY INC, a corporation organized under the laws of the State of Delaware, one of the United States of America, of the Koppers Building, City of Pittsburgh, Commonwealth of Pennsylvania; United States of America, do hereby declare the invention, for which we pray that a patent may be granted to us, and the method by which it is to be performed, to be particularly described in and by the following statement:-
This invention relates to self-lubricating couplings and, more particularly but not exclusively, is concerned with a selflubrieating coupling for use with rotating equipment such as rolling mills where lubrication is critical but access for manual lubrication may be extremely limited.
Gear-type spindle couplings are known and are used because of their ability to accommodate the misalignment requirements of rolling mill service coupled with a far longer life than is possible with other forms of coupling However, to use a geartype spindle coupling to maximum efficiency, it is necessary that the coupling be properly lubricated If proper lubrication is not maintained, coupling failure usually results with the loss of operating time and the expense of repairing or replacing the coupling.
Lubrication of gear-type spindle couplings has in some cases been accomplished manually While in most instances, manual labour can satisfactorily lubricate the coupling, it has drawbacks The cost of manual labour to accomplish the task is high Not only are several labourers required, but at least one of them must possess the requisite skill to supervise the operation to assure it is properly performed Manual lubrication also causes excessive downtime for the mill which in itself can be extremely costly during periods of peak operation Also, the lubrication is usually carried out in a limited space and under extremely difficult working conditions Noise and temperature are necessarily high and the safety of the workinen in the cramped work spaces can be compromised.
According to the present invention there is provided a gear-type spindle coupling comprising (a) a shaft; (b) a roll end with a gear-type sleeve for coupling the roll end to one end of said shaft; (c) a pinion end with a gear-type sleeve for coupling the pinion 55 eild to the opposite end of said shaft, (d) resilient means mounted in each of said ends of said shaft, each resilient means being adapted to coact with plunger means which act on thrust means adapted to be inserted 60 in the respective sleeve; and (e) a flexible hub surrounding each end of said shaft, each hub carrying gear-type teeth drivingly connecting the respective sleeve to said shaft; the coupling further comprising, at 65 each end of the shaft, (f) first reservoir means in said shaft, said first reservoir means being adapted to receive a lubricating fluid for lubricating said sleeve and flexible hub; (g) first valve means operably connected to 70 said first reservoir means, said first valve means being adapted to be opened when said thrust means is inserted in said sleeve and said first valve means permitting said lubricating fluid to enter second reservoir 75 means formed by the retraction of said resilient means when said thrust means is inserted in said sleeve; and (h) second valve means operably connected to said second reservoir means, said second valve means 80 being adapted to permit said lubricating fluid to flow from said second reservoir means through said second valve means toward said sleeve and flexible hub when said thrust means is retracted from said 85 sleeve.
The first reservoir means preferably includes biasing means for urging the lubricating fluid towards the roll and pinion ends of the shaft, the biasing means preferably 90 including a rear wall in operable engagement with spring means.
In a preferred embodiment of the invention, the coupling is a roll including a shaft having spring assemblies designed to 95 engage a thrust button at each end to maximize the alignment of the roll end or pinion end with the shaft Such spring assemblies may include springs mounted on a spring guide rod between a plunger and the 100 PATENT SPECIFICATION
00 00 Xn QO.
1 588 686 shoulder of a slidably mounted spring guide cartridge When the shaft is inserted into the roll end or pinion end the springs are compressed and move towards the cartridge shoulder A piston, acting as said resilient means, is fixably attached to the spring guide rod, acting as said plunger means, to move in cooperation with the rod forward towards the roll end or the pinion end of the coupling when the roll end or pinion end respectively is not in operable contact with the shaft and rearward when the roll end or pinion end respectively is in cooperation with the shaft The back face of the piston together with the spring guide rod and cartridge form the forward wall of the first reservoir When the spring assembly is compressed by the roll and pinion ends, a plenum acting as the second reservoir is formed in the spring guide cartirdge by the movement of the piston When the piston is withdrawn from the plenum, the pressure in the plenum is less than that exerted on the lubricant The pressure differential opens a one-way valve and causes the lubricant to flow into the plenum Release of the compressive force on the springs causes second spring loaded one-way valves in the end walls of the plenum to open.
When the one-way valve opens, lubricant flows from the plenum’ through the spring assembly between the shaft and the roll and pinion thrust buttons and into the vicinity of the teeth of the sleeves and hubs Thus, a supply of lubricant is available to lubricate the gear teeth, whenever the roll is removed, during the roll changing operation.
For a better understanding of the invention, and to show more clearly how the same may be carried into effect, reference will now be made, by way of example, to the accompanying drawing which is a side elevational view, partly in section, of one embodiment of a gear-type spindle coupling of the present invention.
Referring to the drawing, the gear-type spindle coupling shown, i e a roll, has a roll end 12, a pinion end 14, and a shaft 16 having first reservoirs 18 for storage of gear lubricant Reservoirs 18 have rear walls which are biased towards the lubricant by means of springs 22 Springs 22 are fixed to a plug 24 which is positioned by set screws 26 fixably mounted in a groove 28.
Fittings 30 are provided through shaft 16 whereby lubricant can be delivered to the reservoir Fittings 30 ‘ provide pressure relief for the reservoir Fittings such as 30 and 30 ‘ are well known and available in the art The biasing force exerted by springs 22 is sufficient to urge rear wall 20 towards the ends of the shaft.
Since the structure of this embodiment of the present invention is identical at both the roll and pinion ends, the description hereinafter refers generally to the roll end but it will be understood that the description is equally applicable to the pinion end 7 Q The front wall of the first reservoir 18 is formed by a piston 32 fixably mounted on a spring guide rod 34 A spring 36 abuts a spring guide cartridge 38 and extends over guide rod 34 to a plunger guide 40 The 75 spring assembly (S), including piston 32, rod 34, spring 36 and plunger guide 40, is adapted to slidably fit within spring guide cartridge 38 which is formed in shaft 16.
Plunger guide 40 includes a thrust button 80 46 which is adapted to engage thrust button 44 of the roll end.
When button 44 is inserted further in guide channel 42, a compressive force is exerted causing the spring assembly (S) to 85 be compressed away from the roll end 12.
The compression causes the formation of a plenum 48 in the area of cartridge 38 occupied by piston 32 Plenum 48 is connected to reservoir 18 by means of one go way valve 50 Plenum 48 is connected to guide channel 42 by means of one-way valve 52 The structure and operation of valve and valve 52 are well known and understood in the art The remainder of the 95 coupling, i e flexible hub 58, roll sleeve 56 and attendant structure for connecting the roll end to the shaft, is conventional and is well known and understood in the art.
In operation, when the roll end thrust 100 button 44 is inserted further into channel 42 and the spring assembly (S) is compressed, the pressure in plenum 48 will be less than the pressure exerted on the lubricant in reservoir 18 The imbalance will 105 cause valve 50 to open and permit the flow of lubricant into plenum 48 When the force is removed from thrust button 44, the compressive force on the spring system is removed and piston 32 moves toward plenum 110 48 The pressure exerted on the lubricant therein causes valve 52 to open and permit the lubricant to flow through channel 42 down to and between gear teeth 54 of the roll sleeve 56 and the flexible hub 58 Thus, 115 an automatic continuous supply of lubricant is provided every time the roll is removed.

Claims (4)

WHAT WE CLAIM IS:

1 A gear-type spindle coupling comprising (a) a shaft, (b) a roll end with a gear-type sleeve for coupling the roll end to one end of said shaft; (c) a pinion end 125 with a gear-type sleeve for coupling the pinion end to the opposite end of said shaft; (d) resilient means mounted in each of said ends of said shaft, each resilient means being adapted to coact with plunger means 130 1 588 686 which act on thrust means adapted to be inserted in the respective sleeve; and (e) a flexible hub surrounding each end of said shaft, each hub carrying gear-type teeth drivingly connecting the respective sleeve to said shaft; the coupling further comprising, at each end of the shaft, (f) first reservoir means in said shaft, said first reservoir means being adapted to receive a lubricating fluid for lubricating said sleeve and flexible hub; (g) first valve means operably connected to said first reservoir means, said first valve means being adapted to be opened when said thrust means is inserted in said sleeve and said first valve means permitting said lubricating fluid to enter second reservoir means formed by the retraction of said resilient means when said thrust means is inserted in said sleeve; and (h) second valve means operably connected to said second reservoir means, said second valve means being adapted to permit said lubricating fluid to flow from said second reservoir means through said second valve means toward said sleeve and flexible hub when said thrust means is retracted from said sleeve.

2 A gear-type spindle coupling as claimed in claim 1 wherein said first reservoir means includes biasing means for urg 30 ing said lubricating fluid towards the roll and pinion ends of said shaft.

3 A gear-type spindle coupling as claimed in claim 2 wherein the biasing means of the first reservoir means includes 35 a rear wall in operable engagement with spring means.

4 A gear-type spindle coupling substantially as hereinbefore described with reference to, and as shown in, the accom 40 panying drawings.
HASELTINE LAKE & CO.
Chartered Patent Agents 28 Southampton Buildings Chancery Lane London WC 2 A l AT and Temple Gate House Temple Gate Bristol B Sl 6 PT and9 Park Square Leeds LS 2 LH Printed for Her Majesty’s Stationery Office by The Tweeddale Press Ltd, Berwick-upon-Tweed, 1981.
Published at the Patent Office, 25 Southampton Buildings, London, WC 2 A l AY, from which copies may be obtained

GB18091/78A
1977-08-03
1978-05-05
Selflubricating coupling

Expired

GB1588686A
(en)

Applications Claiming Priority (1)

Application Number
Priority Date
Filing Date
Title

US05/821,347

US4137999A
(en)

1977-08-03
1977-08-03
Self-lubricating gear-type spindle coupling

Publications (1)

Publication Number
Publication Date

GB1588686A
true

GB1588686A
(en)

1981-04-29

Family
ID=25233133
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

GB18091/78A
Expired

GB1588686A
(en)

1977-08-03
1978-05-05
Selflubricating coupling

Country Status (4)

Country
Link

US
(1)

US4137999A
(en)

DE
(1)

DE2824895C2
(en)

GB
(1)

GB1588686A
(en)

SE
(1)

SE7806439L
(en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

DE3303929C1
(en)

1983-02-05
1984-07-26
Mannesmann AG, 4000 Düsseldorf
Articulated-joint coupling, in particular for rolling mill drives

DE3811790A1
(en)

1988-01-15
1989-07-27
Schloemann Siemag Ag

ROLLING MACHINE DRIVE WITH ARC TOOTH ARM SPINDLE

JPH0266727U
(en)

1988-10-31
1990-05-21

EP1286067B1
(en)

2001-08-22
2004-10-20
Dana Corporation
Pressure regulator assembly for use with a slip joint in a driveshaft assembly

DE60201644T2
(en)

2001-08-22
2005-03-24
Dana Corp., Toledo

Sliding connection with pressure compensation arrangement

CN102357536B
(en)

2011-07-29
2014-05-07
泰尔重工股份有限公司
Inner circulation thin oil lubricating drum gear coupling

DE102011086094A1
(en)

2011-11-10
2013-05-16
Sms Siemag Ag

Rolling mill drive with a toothed joint spindle

IT201800020029A1
(en)

2018-12-18
2019-03-18
Green Gear Trasmissioni S R L

Gear elongation element with automatic lubrication

Family Cites Families (8)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

US2403397A
(en)

1942-10-19
1946-07-02
Fmc Corp
Lubrication system

US2593972A
(en)

1948-11-18
1952-04-22
Bray Arthur
Lubricator

DE925284C
(en)

1953-03-31
1955-03-17
Meer Ag Maschf

Device for lubricating the spindle couplings in rolling mills

US2859598A
(en)

1957-05-21
1958-11-11
Hochreuter Johann
Lubricating device for the power transmission bolt of elastic shaft couplings

US3135355A
(en)

1962-03-26
1964-06-02
Olsen Mfg Company
Conveyor lubricating apparatus

US3210137A
(en)

1963-03-18
1965-10-05
Williams Jesse Joseph
Self lubricating bearing

BE754737A
(en)

1969-08-27
1971-01-18
Kerkhoff Heinrich

ROLLER CAGE PROVIDED WITH ARTICULATED SPINDLES INTENDED FOR DRIVING CYLINDERS

US4030178A
(en)

1974-08-06
1977-06-21
Fiat-Allis Construction Machinery, Inc.
Method of manufacturing track roller with open cell plastic foam in lubrication cavity

1977

1977-08-03
US
US05/821,347
patent/US4137999A/en
not_active
Expired – Lifetime

1978

1978-05-05
GB
GB18091/78A
patent/GB1588686A/en
not_active
Expired

1978-06-01
SE
SE7806439A
patent/SE7806439L/en
unknown

1978-06-07
DE
DE2824895A
patent/DE2824895C2/en
not_active
Expired

Also Published As

Publication number
Publication date

SE7806439L
(en)

1979-02-04

DE2824895C2
(en)

1982-09-23

US4137999A
(en)

1979-02-06

DE2824895A1
(en)

1979-02-08

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