CN104028558A - Center line alignment device for frame and gearbox drive shaft in rolling mill and alignment method employing same - Google Patents
Center line alignment device for frame and gearbox drive shaft in rolling mill and alignment method employing same Download PDFInfo
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- CN104028558A CN104028558A CN201410277453.9A CN201410277453A CN104028558A CN 104028558 A CN104028558 A CN 104028558A CN 201410277453 A CN201410277453 A CN 201410277453A CN 104028558 A CN104028558 A CN 104028558A
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Abstract
The invention provides a center line alignment device for a frame and a gearbox drive shaft in a rolling mill and an alignment method employing the same. The device comprises an auxiliary long shaft body (1) in a rod shape; one end of the auxiliary long shaft body (1) can be nested in a sleeve portion (3) on a gearbox drive shaft end portion (2); a plurality of measuring marker rods (13) are disposed on the auxiliary long shaft body (1) and are arranged at intervals; the measuring marker rods (13) are all perpendicular to the auxiliary long shaft body (1). The center line alignment device is simple in structure, allows center line alignment of the frame and gearbox drive shaft in the rolling mill, and allows rolls and a gear box in the rolling mill to be installed at accurate angle; the alignment method is simple to operate and high in operating efficiency.
Description
Technical field
The invention belongs to milling equipment technical field, more particularly, relate to a kind of rolling-mill housing and gearbox drive shaft centre line alignment device, the present invention also relates to the method for applying described device centering simultaneously.
Background technology
The fixed milling train pattern of medium and small section has open type and closed type, and such rolling-mill housing is to fix with bolt and sole plate, after a common centering, can use one-period, when repairing in equipment next time, after gear-box again resets and installs, frame still needs again centering, fixing.The milling train of this pattern is when changing roll, frame is motionless, pair roller system changes, if frame centering is undesirable, breaker roll head and catcher (shaft coupling) cause larger unbalance loading, and local stress is larger, roller head and catcher wearing and tearing aggravation, especially the roller head of wabbler roll and spline pattern causes and collapses tooth phenomenon, uses parts to scrap in advance.Therefore, the work of frame centering is very crucial.
The part that the output shaft of gear-box is exposed is conventionally all very short, has brought inconvenience to milling train centering.The aligning method of roller-type milling train has two kinds of modes conventionally at present:
A kind of be by gear housing installation in position, be fixed on rail chair after, open housing plate, two end faces of gear output shaft are all exposed, utilize hanging wire method for centering, above axle, draw a horizontal linear, suspension wire hangs on horizontal line, and suspension wire is near paraxial end face, by regulating, make two suspension wires respectively by the central point (datum mark) at axle two ends, illustrate that suspension wire is through the center line of output shaft.At two window places of milling train, then hang respectively a suspension wire, measure respectively suspension wire and whether equate with window two heel post distances, equate that explanation suspension wire, just in time by window center line, illustrates centering of milling train, otherwise, just need to regulate milling train position.Centering workload is large, needs the corresponding component on dismounting, erection unit, length consuming time, and workload is large.
Another kind method is sight alignment method.Gear housing installation in position, fixing after, be directly taken at gear output shaft end face central point, on other 2 vertical center lines that are taken at frame two side windows, if these 3 in line, just think centering of frame.The defect of this method is exactly with the central point of gear shaft end face, to treat as the center line of gear shaft, and to put for line, so after such centering, the center line of gear shaft does not overlap with framework window center line, the straight line of two intersections, does not have complete centering often.
Cause the reason of this phenomenon to be: aligning method Shortcomings.Conventionally frame centering is after gear-box is installed fastening completing; take gear-box shaft as benchmark again; breast roller longitudinal center line is carried out to centering; and gear-box shaft is often all shorter; common aligning method is sight alignment formula, is more taken at the central point that gear-box goes out axial end, on other 2 vertical center lines that are taken at frame two side windows; if in line, just think centering of frame at these 3.The defect of this method is exactly with the central point of gear shaft end face, to treat as the center line of gear shaft, and to put for line, so after such centering, the center line of gear shaft does not overlap with framework window center line, the straight line of two intersections, does not have complete centering often.
Summary of the invention
Technical problem to be solved by this invention is: for deficiency of the prior art, provide a kind of simple in structure, can realize quickly and easily rolling-mill housing centering, realize the adjustment of rolling-mill housing deviation distance, thereby be convenient to rolling mill roll and gear-box setting angle is accurate, avoid because of setting angle mistake between milling train and gear-box the rolling-mill housing and the gearbox drive shaft centre line alignment device that cause milling train and gear-box to damage.
Solve above-described technical problem, the technical scheme that the present invention takes is:
The present invention is a kind of rolling-mill housing and gearbox drive shaft centre line alignment device, described alignment device comprises shaft-like auxiliary major axis body, auxiliary major axis body one end arranges and can be sleeved on the sleeve part on gearbox drive axle head head, on auxiliary major axis body, a plurality of measurements are set and draw bar, a plurality of measurements are drawn and between bar, are set to the structure of arranging by gap, a plurality of measurements draw bar respectively and auxiliary major axis body between be set to be vertically arranged structure.
Measurement on described auxiliary major axis body is drawn bar and is arranged two, when auxiliary major axis body is sleeved on gearbox drive axle head head by sleeve part, measures for two and draw bar and be set to extend between the frame front window two sides of rolling-mill housing and the position between frame rear hatch two sides.
Described frame front window two sides are respectively front window left end piece and front window right-hand member piece, frame rear hatch two sides are respectively rear hatch left end piece and rear hatch right-hand member piece, when described auxiliary major axis body is sleeved on gearbox drive axle head head by sleeve part, the measurement that extends to frame front window is drawn bar and is set to the structure between front window left end piece and front window right-hand member piece, and the measurement that extends to frame rear hatch is drawn bar and is set to the structure between rear hatch left end piece and rear hatch right-hand member piece.
On described sleeve part side, a plurality of positioning screw holes are set, in each positioning screw hole, being screwed respectively one can be along the bolt of positioning screw hole turn, when described auxiliary major axis body is sleeved on gearbox drive axle head head by sleeve part, a plurality of bolts are set to be resisted against the structure on gearbox drive axle head head.
Described sleeve part internal diameter is set to be greater than the structure of gearbox drive axle head head.
The present invention also relates to a kind of method that above-mentioned rolling-mill housing and gearbox drive shaft centre line alignment device carry out centering of applying simultaneously, and the step of described aligning method is:
1) sleeve part being connected with auxiliary major axis body is sleeved on gearbox drive axle head head;
2) rotate two and measure stroke bar to horizontal level, measurement extends to the measurement of frame front window and draws the distance between bar two ends and frame front window two sides, and measurement extends to the measurement of frame rear hatch and draws the distance between bar and frame rear hatch two sides;
3) two of rotations measure to be drawn bars and are rotated 180 degree, again measure the distance that bar two ends and frame front window two sides are drawn in the measurement that extends to frame front window, and the distance of bar and frame rear hatch two sides is drawn in the measurement that measurement extends to frame rear hatch again;
4) contrast the size of a plurality of numerical value of above-mentioned measurement, if aforementioned a plurality of distance values equates, show that rolling-mill housing centering completes, if aforementioned a plurality of distance values is unequal, show that rolling-mill housing centering does not complete, continue moving frame position, until aforementioned a plurality of distance values equate after measuring.
While rotating two described measurement stroke bars to horizontal level, measurement extends to the measurement of frame front window and draws the front window left end piece of bar two ends and frame front window and distance a and the b between front window right-hand member piece, and measurement extends to the measurement of frame rear hatch and draws the rear hatch left end piece of bar and frame rear hatch and distance c and the d distance between rear hatch right-hand member piece.
Rotate two described measurements and draw bar rotation 180 degree, again measure the measurement extend to frame front window and draw distance a and the b between bar two ends and front window left end piece and front window right-hand member piece, distance c and the d between bar and rear hatch left end piece and rear hatch right-hand member piece drawn in the measurement that measurement extends to frame rear hatch again.
The a of twice measurement that contrast is described, b, c, d numerical values recited, if aforementioned four numerical value equate, show that rolling-mill housing centering completes, if aforementioned four numerical value are unequal, show that rolling-mill housing centering does not complete, continue moving frame position, until aforementioned four numerical value equate after measuring, show that described fixed rolling-mill housing and gearbox drive shaft centre line centering complete.
Adopt technical scheme of the present invention, can obtain following beneficial effect:
Described rolling-mill housing and gearbox drive shaft centre line alignment device of the present invention, simple in structure, the sleeve part that can be sleeved on gearbox drive axle head head by auxiliary major axis body one end is drawn coordinating of bar with measurement, just can complete rolling-mill housing and gearbox drive shaft centre line centering, because milling train is arranged in rolling-mill housing, so just can realize the adjustment of rolling-mill housing deviation distance, thereby be convenient to rolling mill roll and gear-box setting angle is accurate, avoid because of setting angle mistake between milling train and gear-box, cause milling train and gear-box to damage, improve the service life of milling train and gear-box.Application rolling-mill housing of the present invention and gearbox drive shaft centre line alignment device carry out the method for centering, method of operating is simple, intuitively, measurement difficulty is low, simple installation, operating efficiency is high, can be used for opening, the fixed roller milling train centering of remaining silent, and centering precision can reach engine request completely.
Accompanying drawing explanation
The expressed content of each accompanying drawing of this description and the mark in figure are made to brief description below:
Fig. 1 is rolling-mill housing of the present invention and the plan structure schematic diagram of gearbox drive shaft centre line alignment device when rolling-mill housing centering;
Fig. 2 is the sectional structure schematic diagram of the A-A face of rolling-mill housing described in Fig. 1 and the sleeve part of gearbox drive shaft centre line alignment device and the connecting portion of gearbox drive axle head head;
Fig. 3 is rolling-mill housing of the present invention and the axle TV structure schematic diagram of gearbox drive shaft centre line alignment device when rolling-mill housing centering;
Accompanying drawing acceptance of the bid note is respectively: 1, auxiliary major axis body; 2, gearbox drive axle head head; 3, sleeve part; 4, rolling-mill housing; 5, frame front window; 6, frame rear hatch; 7, front window left end piece; 8, front window right-hand member piece; 9, rear hatch left end piece; 10, rear hatch right-hand member piece; 11, positioning screw hole; 12, bolt; 13, measure and draw bar; 14, gear-box.
The specific embodiment
Contrast accompanying drawing below, by the description to embodiment, the specific embodiment of the present invention is described in further detail as the effect of the mutual alignment between the shape of each related member, structure, each several part and annexation, each several part and operation principle etc.:
As shown in accompanying drawing 1-accompanying drawing 3, the present invention is a kind of rolling-mill housing and gearbox drive shaft centre line alignment device, described alignment device comprises shaft-like auxiliary major axis body 1, auxiliary major axis body 1 one end arranges and can be sleeved on the sleeve part 3 on gearbox drive axle head head 2, on auxiliary major axis body 1, a plurality of measurements are set and draw bar 13, a plurality of measurements are drawn between bar 13 and are set to by the structure of gap layout, described a plurality of measurements draw bar 13 respectively and auxiliary major axis body 1 between be set to be vertically arranged structure
Measurement on described auxiliary major axis body 1 is drawn bar 13 and is arranged two, when auxiliary major axis body 1 is sleeved on gearbox drive axle head head 2 by sleeve part 3, measures for two and draw bar 13 and be set to extend between frame front window 5 two sides of rolling-mill housing 4 and the position between frame rear hatch 6 two sides.
Described frame front window 5 two sides are respectively front window left end piece 7 and front window right-hand member piece 8, frame rear hatch 6 two sides are respectively rear hatch left end piece 9 and rear hatch right-hand member piece 10, when described auxiliary major axis body 1 is sleeved on gearbox drive axle head head 2 by sleeve part 3, the measurement that extends to frame front window 5 is drawn bar 13 and is set to the structure between front window left end piece 7 and front window right-hand member piece 8, and the measurement that extends to frame rear hatch 6 is drawn bar 13 and is set to the structure between rear hatch left end piece 9 and rear hatch right-hand member piece 10.
On described sleeve part 3 sides, a plurality of positioning screw holes 11 are set, each positioning screw hole 11 is interior be screwed respectively one can be along the bolt 12 of positioning screw hole 11 turns, when described auxiliary major axis body 1 is sleeved on gearbox drive axle head head 2 by sleeve part 3, a plurality of bolts 12 are set to be resisted against the structure on gearbox drive axle head head 2.
Described sleeve part 3 internal diameters are set to be greater than the structure of gearbox drive axle head head 2.
The present invention also relates to a kind of method that above-mentioned rolling-mill housing and gearbox drive shaft centre line alignment device carry out centering of applying simultaneously, and the step of described aligning method is:
1) sleeve part 3 being connected with auxiliary major axis body 1 is sleeved on gearbox drive axle head head 2;
2) rotate two and measure stroke bar 13 to horizontal level, measurement extends to the measurement of frame front window 5 and draws the distance between bar 13 two ends and frame front window 5 two sides, and measurement extends to the measurement of frame rear hatch 6 and draws the distance between bar (13) and frame rear hatch 6 two sides;
3) two of rotations are measured and are drawn bar 13 rotation 180 degree, again measure the distance that bar 13 two ends and frame front window 5 two sides are drawn in the measurement extend to frame front window 5, again measure the distance that bar 13 and frame rear hatch 6 two sides are drawn in the measurement that extends to frame rear hatch 6;
4) contrast the size of a plurality of numerical value of above-mentioned measurement, if aforementioned a plurality of distance values equates, show that rolling-mill housing 4 centerings complete, if aforementioned a plurality of distance values is unequal, show that rolling-mill housing 4 centerings do not complete, continue moving frame position, until aforementioned a plurality of distance values equate after measuring.
While rotating two described measurement stroke bars 13 to horizontal level, measurement extends to the measurement of frame front window 5 and draws the front window left end piece 7 of bar 13 two ends and frame front window 5 and distance a and the b between front window right-hand member piece 8, and measurement extends to the measurement of frame rear hatch 6 and draws the rear hatch left end piece 9 of bar 13 and frame rear hatch 6 and distance c and the d distance between rear hatch right-hand member piece 10.
Rotate two described measurements and draw bar 13 rotation 180 degree, again measure the measurement extend to frame front window 5 and draw distance a and the b between bar 13 two ends and front window left end piece 7 and front window right-hand member piece 8, distance c and the d between bar 13 and rear hatch left end piece 9 and rear hatch right-hand member piece 10 drawn in the measurement that measurement extends to frame rear hatch 6 again.
The a of twice measurement that contrast is described, b, c, d numerical values recited, if aforementioned four numerical value equate, show that rolling-mill housing 4 centerings complete, if aforementioned four numerical value are unequal, show that rolling-mill housing 4 centerings do not complete, continue moving frame position, until aforementioned four numerical value equate after measuring, show that described fixed rolling-mill housing and gearbox drive shaft centre line centering complete.
Centering described in device and method of the present invention, when referring to gearbox drive shaft centre line and overlapping with framework window center line (front window left end piece 7 and front window right-hand member piece 8 medium lines and rear hatch left end piece 9 and rear hatch right-hand member piece 10 medium lines), show that rolling-mill housing centering completes, otherwise need to continue mobile rolling-mill housing.
Alignment device of the present invention, gets a straight steel pipe as auxiliary major axis body, and the length of auxiliary major axis body is the distance that gearbox drive axle head head arrives frame front window and frame rear hatch, or slightly longer.
Sleeve part is installed to after gearbox drive axle head head, by coiling power transmission shaft, just can start centering.
After centering starts, while rotating two described measurement stroke bars 13 to horizontal level, measurement extends to the measurement of frame front window 5 and draws the front window left end piece 7 of bar 13 two ends and frame front window 5 and distance a and the b between front window right-hand member piece 8, and measurement extends to the measurement of frame rear hatch 6 and draws the rear hatch left end piece 9 of bar 13 and frame rear hatch 6 and distance c and the d distance between rear hatch right-hand member piece 10; And then rotate two described measurements and draw bar 13 rotation 180 degree, again measure the measurement extend to frame front window 5 and draw distance a and the b between bar 13 two ends and front window left end piece 7 and front window right-hand member piece 8, distance c and the d between bar 13 and rear hatch left end piece 9 and rear hatch right-hand member piece 10 drawn in the measurement that measurement extends to frame rear hatch 6 again; The a of twice measurement that contrast is described, b, c, d numerical values recited, aforementioned four numerical value equate, show that gearbox drive shaft centre line overlaps with framework window center line, at this moment rolling-mill housing 4 centerings complete, and aforementioned four numerical value are unequal, show that gearbox drive shaft centre line does not overlap with framework window center line, show that rolling-mill housing 4 centerings do not complete, continue mobile rolling-mill housing, until aforementioned four numerical value equate after measuring.
Described rolling-mill housing and gearbox drive shaft centre line alignment device of the present invention, simple in structure, the sleeve part that can be sleeved on gearbox drive axle head head by auxiliary major axis body one end is drawn coordinating of bar with measurement, just can complete rolling-mill housing and gearbox drive shaft centre line centering, because milling train is arranged in rolling-mill housing, so just can realize the adjustment of rolling-mill housing deviation distance, thereby be convenient to rolling mill roll and gear-box setting angle is accurate, avoid because of setting angle mistake between milling train and gear-box, cause milling train and gear-box to damage, improve the service life of milling train and gear-box.Application rolling-mill housing of the present invention and gearbox drive shaft centre line alignment device carry out the method for centering, method of operating is simple, intuitively, measurement difficulty is low, simple installation, operating efficiency is high, can be used for opening, the fixed roller milling train centering of remaining silent, and centering precision can reach engine request completely.
By reference to the accompanying drawings the present invention has been carried out to exemplary description above; obviously the concrete realization of the present invention is not subject to the restrictions described above; as long as the various improvement that adopted method design of the present invention and technical scheme to carry out; or without improving, design of the present invention and technical scheme are directly applied to other occasions, all in protection scope of the present invention.
Claims (9)
1. a rolling-mill housing and gearbox drive shaft centre line alignment device, it is characterized in that: described alignment device comprises shaft-like auxiliary major axis body (1), auxiliary major axis body (1) one end arranges and can be sleeved on the sleeve part (3) on gearbox drive axle head head (2), on auxiliary major axis body (1), a plurality of measurements are set and draw bar (13), a plurality of measurements are drawn between bar (13) and are set to by the structure of gap layout, and described a plurality of measurements are drawn bar (13) and are set to be vertically arranged structure respectively and between auxiliary major axis body (1).
2. rolling-mill housing according to claim 1 and gearbox drive shaft centre line alignment device, it is characterized in that: the measurement on described auxiliary major axis body (1) is drawn bar (13) and arranged two, when auxiliary major axis body (1) is sleeved on gearbox drive axle head head (2) by sleeve part (3), measure between frame front window (5) two sides that stroke bar (13) is set to extend to rolling-mill housing (4) and the position between frame rear hatch (6) two sides for two.
3. rolling-mill housing according to claim 2 and gearbox drive shaft centre line alignment device are put, it is characterized in that: described frame front window (5) two sides are respectively front window left end piece (7) and front window right-hand member piece (8), frame rear hatch (6) two sides are respectively rear hatch left end piece (9) and rear hatch right-hand member piece (10), when described auxiliary major axis body (1) is sleeved on gearbox drive axle head head (2) by sleeve part (3), the measurement that extends to frame front window (5) is drawn bar (13) and is set to be positioned at the structure between front window left end piece (7) and front window right-hand member piece (8), the measurement that extends to frame rear hatch (6) is drawn bar (13) and is set to be positioned at the structure between rear hatch left end piece (9) and rear hatch right-hand member piece (10).
4. according to the rolling-mill housing described in claim 2 or 3 and gearbox drive shaft centre line alignment device, it is characterized in that: described sleeve part (3) side arranges a plurality of positioning screw holes (11), in each positioning screw hole (11), being screwed respectively one can be along the bolt (12) of positioning screw hole (11) turn, when described auxiliary major axis body (1) is sleeved on gearbox drive axle head head (2) by sleeve part (3), a plurality of bolts (12) are set to be resisted against the structure on gearbox drive axle head head (2).
5. rolling-mill housing according to claim 1 and gearbox drive shaft centre line alignment device, is characterized in that: described sleeve part (3) internal diameter is set to be greater than the structure of gearbox drive axle head head (2).
6. according to the rolling-mill housing described in the arbitrary claim of claim 2-5 and gearbox drive shaft centre line alignment device, carry out the method for centering, it is characterized in that: the step of described aligning method is:
1) sleeve part (3) being connected with auxiliary major axis body (1) is sleeved on gearbox drive axle head head (2);
2) rotate two and measure stroke bar (13) to horizontal level, measurement extends to the measurement of frame front window (5) and draws the distance between bar (13) two ends and frame front window (5) two sides, and measurement extends to the measurement of frame rear hatch (6) and draws the distance between bar (13) and frame rear hatch (6) two sides;
3) two of rotations are measured and are drawn bar (13) rotation 180 degree, again measure the distance that bar (13) two ends and frame front window (5) two sides are drawn in the measurement extend to frame front window (5), again measure the distance that bar (13) and frame rear hatch (6) two sides are drawn in the measurement that extends to frame rear hatch (6);
4) contrast the size of a plurality of numerical value of above-mentioned measurement, if aforementioned a plurality of distance values equates, show that rolling-mill housing (4) centering completes, if aforementioned a plurality of distance values is unequal, show that rolling-mill housing (4) centering does not complete, continue moving frame position, until aforementioned a plurality of distance values equate after measuring.
7. rolling-mill housing according to claim 6 and gearbox drive shaft centre line alignment device carry out the method for centering, it is characterized in that: while rotating two described measurement stroke bars (13) to horizontal level, measurement extends to the measurement of frame front window (5) and draws the front window left end piece (7) of bar (13) two ends and frame front window (5) and distance a and the b between front window right-hand member piece (8), and measurement extends to the measurement of frame rear hatch (6) and draws the rear hatch left end piece (9) of bar (13) and frame rear hatch (6) and distance c and the d distance between rear hatch right-hand member piece (10).
8. rolling-mill housing according to claim 7 and gearbox drive shaft centre line alignment device carry out the method for centering, it is characterized in that: rotate two described measurements and draw bar (13) rotation 180 degree, again measure the measurement extend to frame front window (5) and draw distance a and the b between bar (13) two ends and front window left end piece (7) and front window right-hand member piece (8), distance c and the d between bar (13) and rear hatch left end piece (9) and rear hatch right-hand member piece (10) drawn in the measurement that measurement extends to frame rear hatch (6) again.
9. rolling-mill housing according to claim 8 and gearbox drive shaft centre line alignment device carry out the method for centering, it is characterized in that: a of twice measurement that contrast is described, b, c, d numerical values recited, if aforementioned four numerical value equate, show that rolling-mill housing (4) centering completes, if aforementioned four numerical value are unequal, show that rolling-mill housing (4) centering does not complete, continue moving frame position, until aforementioned four numerical value equate after measuring, show that described fixed rolling-mill housing and gearbox drive shaft centre line centering complete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410277453.9A CN104028558B (en) | 2014-06-19 | 2014-06-19 | A kind of rolling-mill housing and gearbox drive shaft centre line alignment device and apply the method for described device centering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410277453.9A CN104028558B (en) | 2014-06-19 | 2014-06-19 | A kind of rolling-mill housing and gearbox drive shaft centre line alignment device and apply the method for described device centering |
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| Publication Number | Publication Date |
|---|---|
| CN104028558A true CN104028558A (en) | 2014-09-10 |
| CN104028558B CN104028558B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410277453.9A Active CN104028558B (en) | 2014-06-19 | 2014-06-19 | A kind of rolling-mill housing and gearbox drive shaft centre line alignment device and apply the method for described device centering |
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| CN (1) | CN104028558B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107560515A (en) * | 2017-07-18 | 2018-01-09 | 武汉钢铁有限公司 | A kind of rolling-mill housing and jack shaft alignment device and method |
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| DE1937368A1 (en) * | 1969-07-23 | 1971-02-04 | Siemag Siegener Maschb Gmbh | Roll stand for selective rolling with univer- - sal and two-high rolling arrangements |
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| CN201555552U (en) * | 2009-09-02 | 2010-08-18 | 江阴市振江钢结构有限公司 | Tool for truing central axis of circular holes |
| CN202951707U (en) * | 2012-12-11 | 2013-05-29 | 南京钢铁股份有限公司 | Automatic axial centering, mounting and dismounting device for working roller and bearing pedestal of four-roller mill |
| CN203177790U (en) * | 2013-02-19 | 2013-09-04 | 宝山钢铁股份有限公司 | Centering device used for motor coupling band |
| CN203240975U (en) * | 2013-05-21 | 2013-10-16 | 中国石油天然气第七建设公司 | Adjustable coupler centring alignment frame |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1937368A1 (en) * | 1969-07-23 | 1971-02-04 | Siemag Siegener Maschb Gmbh | Roll stand for selective rolling with univer- - sal and two-high rolling arrangements |
| US5804134A (en) * | 1995-12-22 | 1998-09-08 | Daniele & C. Officine Meccaniche Spa | Compact rolling block |
| CN201555552U (en) * | 2009-09-02 | 2010-08-18 | 江阴市振江钢结构有限公司 | Tool for truing central axis of circular holes |
| CN202951707U (en) * | 2012-12-11 | 2013-05-29 | 南京钢铁股份有限公司 | Automatic axial centering, mounting and dismounting device for working roller and bearing pedestal of four-roller mill |
| CN203177790U (en) * | 2013-02-19 | 2013-09-04 | 宝山钢铁股份有限公司 | Centering device used for motor coupling band |
| CN203240975U (en) * | 2013-05-21 | 2013-10-16 | 中国石油天然气第七建设公司 | Adjustable coupler centring alignment frame |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107560515A (en) * | 2017-07-18 | 2018-01-09 | 武汉钢铁有限公司 | A kind of rolling-mill housing and jack shaft alignment device and method |
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| Publication number | Publication date |
|---|---|
| CN104028558B (en) | 2016-01-20 |
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