CN104265781B - A kind of blooming mill power decelerator output shaft coupling structure - Google Patents
A kind of blooming mill power decelerator output shaft coupling structure Download PDFInfo
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- CN104265781B CN104265781B CN201410408358.8A CN201410408358A CN104265781B CN 104265781 B CN104265781 B CN 104265781B CN 201410408358 A CN201410408358 A CN 201410408358A CN 104265781 B CN104265781 B CN 104265781B
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Abstract
The invention discloses a kind of blooming mill power decelerator output shaft coupling structure, including reducer output shaft, it is arranged at a circle flange flange of reducer output shaft link end, also include double helical tooth wheel seat power shaft, the circle flange being arranged at double helical tooth wheel seat power shaft link end is protruding, described flange flange and be provided with the connecting hole of correspondence in flange projection and connect by fitting bolt is fixing; It is characterized in that, described fitting bolt includes the components such as screw rod, force set, expansion sleeve, tensioner nut and clamp nut and constitutes. The blooming mill power decelerator output shaft coupling structure of the present invention, it is possible to convenient adjustment eliminates the gap of connecting bolt and connecting hole in shaft coupling, it is ensured that reliable transmission is stable, it is ensured that power section work is smooth and easy; The installation being simultaneously further able to facilitate power decelerator output shaft and double helical tooth wheel seat power shaft is docked, and improves assembling convenience.
Description
Technical field
The present invention relates to the blooming mill used in steelmaking equipment; Particularly relate to a kind of blooming mill power decelerator output shaft coupling structure.
Background technology
Blooming mill, being in steelmaking equipment, linking is arranged on the equipment at furnace outlet place, for by from heating furnace rolled piece blank shaping out the oxide skin removing blank surface, blank can be rolled into required shape, size, tissue and performance by it, in order to lower rolling mill is nipped.
Blooming mill structure generally comprises frame, it is fixedly mounted on the bottom roll in frame and is horizontally placed on the topping roll above bottom roll, topping roll upper end is provided with screw-down, the pressure motor that screw-down includes being arranged on topping roll on methods, rack, pressure motor output end connects pressure decelerator, pressure decelerator has the output shaft being set in parallel in above topping roll, pressure reducer output shaft two ends are all extended reducer shell and form two pressure clutch ends, two pressure clutch ends turn to connection transmission and a vertically arranged screw mandrel to connect and can drive each via one and move under screw mandrel mountain, described screw mandrel is vertically arranged to top position, topping roll two ends and screw mandrel lower end and is connected with topping roll end and drives topping roll to move up and down, one end of described bottom roll and topping roll is additionally provided with power section structure, power section structure, including a power motor, being connected by shaft coupling and a herringbone pinion stand after power motor outfan connection power decelerator, two outfans of double helical tooth wheel seat are connected and drive topping roll and bottom roll rotation respectively with the end of topping roll with described bottom roll by compound spindle.
Wherein, in existing power section structure, the shaft coupling adopted is two common versions connecting shaft end employing ring flange docking, there is following defect in this structure: 1: owing to blooming mill needs steel billet is carried out first roll forming, live load is very big, power transmission moment is bigger, the double helical tooth wheel seat power shaft causing power section structure medium power reducer output shaft and docking is the axle being relatively large in diameter, therefore the connecting hole on boss is difficult to alignment so that it is it is very inconvenient and consuming time to install during docking;2, very big owing to vibrating when blooming mill works; cause that shaft coupling is under Long-term Vibration; the fitting bolt connected and connecting hole hole wall Wear Friction; cause occurring that gap produces to loosen; affect transmission stability and produce vibrating noise; vibration even can damage power decelerator and double helical tooth wheels after strengthening, and causes maintenance down.
Summary of the invention
For above-mentioned the deficiencies in the prior art, the technical problem to be solved is: how to provide a kind of convenient adjustment to eliminate the gap of connecting bolt and connecting hole in shaft coupling, ensure that reliable transmission is stable, it is ensured that power section works blooming mill power decelerator output shaft coupling structure smoothly; The installation of power decelerator output shaft and double helical tooth wheel seat power shaft can be facilitated further to dock simultaneously, improve assembling convenience.
In order to solve above-mentioned technical problem, present invention employs following technical scheme:
A kind of blooming mill power decelerator output shaft coupling structure, including reducer output shaft, it is arranged at a circle flange flange of reducer output shaft link end, also include double helical tooth wheel seat power shaft, the circle flange being arranged at double helical tooth wheel seat power shaft link end is protruding, described flange flange and be provided with the connecting hole of correspondence in flange projection and connect by fitting bolt is fixing, it is characterized in that, described fitting bolt includes screw rod, screw rod one end is the head of major diameter, the other end has threaded section, on screw rod between head and threaded section, spacer sleeve is provided with the ringwise force set of several entirety, positioning step on the close screw head one end of force set and screw rod of screw head abuts, a tensioner nut near the upper threaded engagement connection in close threaded section of one end of the force set of threaded section and threaded section abuts, the two ends outer surface of each force set that the force of above-mentioned two end overlaps relative one end and centre respectively has one section of outer bevel phase tilted axially inward, screw rod between each force set is also arranged with expansion sleeve, axially through being provided with the seam that rises on expansion sleeve, expansion sleeve two ends inner surface is each provided with interior bevel phase one section outward-dipping and coordinates in the outer bevel phase of force set, described tensioner nut outer surfaces is provided with external screw thread and threaded engagement has a clamp nut, described expansion sleeve is positioned at the connecting hole of flange flange and flange projection and with the laminating of connecting hole inner surface, described clamp nut and screw head, flange flange and flange projection is compressed connection.
In the present invention, the fitting bolt being provided with unique texture is attached, when installing connection, by rotary expansion jack panel, force set can be promoted vertically, and then make expansion sleeve outward expansion by the cooperation of bevel phase, and then make expansion sleeve outer surface and connecting hole inner surface laminating tensioner; Rotatably compress nut, it is possible to achieve the compression of flange flange and flange projection connects; So, namely ensure that after installing that the compression of flange flange and flange projection connects, ensure that again the tensioner between fitting bolt and connecting hole coordinates so that it is transverse load and axial load can be born better, moment can be transmitted better, it is ensured that the stability that shaft coupling connects and works. Meanwhile, after long-term work vibration causes that between bolt and connecting hole, generation loosens, it is possible to be adjusted by rotary expansion jack panel so that expansion sleeve enters tensioner again, it is ensured that the stable delivery of moment.Better select to be that the external screw thread of tensioner nut outer surfaces and the female thread of its inner surface are oppositely arranged. So install and can produce self-locking effect after connecting, if namely clamp nut is unclamped by vibrations reverse rotation, can cause that clamp nut reversely rotates the power unclamped and is applied on tensioner nut and drives tensioner nut to advance, and then make clamp nut keep compressing; Equally when tensioner nut is unclamped by vibrations, causing that clamp nut rotates forward, due to clamp nut for pushing against state, therefore opposition can cause that tensioner nut cannot rotate toward the direction unclamped.
As optimization, abut by a spacer shell between the tensioner nut on close threaded section of one end of the force set of threaded section and threaded section and coordinate. So it is more favorable for the transmission of dress combing ability.
As optimization, also include the adapter sleeve being set in double helical tooth wheel seat input shaft end portion, adapter sleeve inner surface is provided with ring gear and the external toothing engagement arranged with the circle convex surfaces being positioned on double helical tooth wheel seat power shaft, adapter sleeve adopts screw docking to be vertically fixed with a stop collar near the end, one end of double helical tooth wheel seat, stop collar abuts spacing away from the side surface that external toothing place on the end surfaces in double helical tooth wheel seat direction and double helical tooth wheel seat power shaft is protruding, and adapter sleeve is protruding away from the circumferentially arranged described flange in end in double helical tooth wheel seat direction.
After so optimizing, double helical tooth wheel seat power shaft adopts gear engagement one adapter sleeve is set, then connect by adapter sleeve is fixing with power decelerator output shaft again; Axial limiting is carried out by stop collar. So, certain axially adjustable gap can be reserved between double helical tooth wheel seat input shaft end portion and power decelerator output shaft end. Making when installing docking, adapter sleeve both can lean on gear to coordinate generation gap to reserve certain anglec of rotation adjusting range in the circumferential; Also there is certain adjustment space on axial distance simultaneously; Therefore can so that realize between adapter sleeve and power decelerator output shaft fixing connect time very convenient fast; Drastically increase installation convenience.
As optimization, it is provided with the first sealing structure between described stop collar inner peripheral surface and double helical tooth wheel seat power shaft outer surface, described stop collar is provided with the second sealing structure away between end face and the power decelerator output shaft outer face of double helical tooth wheel seat, described first seal structure and second seal structure make described power decelerator output shaft outer face to herringbone pinion stand power shaft external toothing position between bumps be formed with oil storage cavity, on described adapter sleeve, corresponding oil storage cavity is provided with the oil-in being communicated to oil storage cavity, is provided with plug cock in oil-in.
After so optimizing, lubricating oil can be injected from oil-in in the oil storage cavity formed after sealing to be lubricated, slow down the fretting wear between internal tooth and external tooth, and after lubricating oil is filled into the gap between internal tooth and external tooth, loss and impact that transmission is caused by the circular gap existed between internal tooth and external tooth in transmission process can be slowed down, it is ensured that transmission is smooth and easy.
Further, described first seals structure, including several closure gasket grooves (being preferably three) that described stop collar inner peripheral surface is set up in parallel vertically, and the several sealing rings installed between the double helical tooth wheel seat power shaft outer surface of closure gasket groove and correspondence, described second seals structure, including the circle seal convexity protruding axially outward that described adapter sleeve is formed away from the end face inside edge of double helical tooth wheel seat, on described power decelerator output shaft outer face, corresponding seal convexity is provided with a circle and inserts for seal convexity to be formed and seal the seal groove that coordinates (described sealing coordinates and refers to that adapter sleeve is away from the while of supporting friction tight between end face and the power decelerator output shaft outer face of double helical tooth wheel seat, the outer surface of one circle seal convexity of described adapter sleeve and power decelerator output shaft outer face push against cooperation between the outer inner surface of seal groove, it is that the outer surface end of seal convexity is inserted when being provided with oblique fillet surface to facilitate cooperation better).
So, have employed uniqueness sealings structure carry out sealing can take into account the requirement of sealing and the requirement of assembling and transmission, specifically, in power decelerator output shaft and adapter sleeve junction, have employed two vertical friction tight sealing surfaces in 90 degree to seal, while ensureing sealing effectiveness, facilitate the fixing connection of double helical tooth wheel seat power shaft and adapter sleeve. The mode of multiple sealing ring arranged side by side is additionally then adopted to realize sealing between adapter sleeve and double helical tooth wheel seat power shaft, while ensureing sealing effectiveness, guarantee to provide the movement in certain circumference to be likely to and mobile possibility axially, it is ensured that being smoothed out of assembling. So both ensure that sealing, in turn ensure that and connect the fast smooth and easy of effect and assembling.
Yet further, the 3rd sealing structure it is additionally provided with between stop collar and adapter sleeve, described 3rd seals structure, including one be formed between stop collar and adapter sleeve along transverse direction push against matching trim and one annular along the circumferential direction push against matching trim, two to push against matching trim adjacent and vertical. As such, it is possible to better ensure that between stop collar and adapter sleeve seal while, facilitate the installation of stop collar and adapter sleeve to fix.
In sum, the blooming mill power decelerator output shaft coupling structure of the present invention, it is possible to can conveniently adjust and eliminate the gap of connecting bolt and connecting hole in shaft coupling, it is ensured that reliable transmission is stable, it is ensured that power section work is smooth and easy; The installation being simultaneously further able to facilitate power decelerator output shaft and double helical tooth wheel seat power shaft is docked, and improves assembling convenience.
Accompanying drawing explanation
Fig. 1 is the simplified schematic diagram of a kind of blooming mill power section structure that have employed present configuration.
Fig. 2 is the structural representation of the coupling structure part of the independent present invention in Fig. 1.
Fig. 3 is the structural representation of independent fitting bolt part in Fig. 2.
Detailed description of the invention
Below in conjunction with a kind of blooming mill power section structure that have employed present configuration and accompanying drawing thereof, the present invention is described in further detail.
Detailed description of the invention: as shown in Figure 1-Figure 3, a kind of blooming mill power section structure that have employed present configuration, including a power motor 1, power motor 1 outfan is connected by shaft coupling and a herringbone pinion stand 3 after connecting power decelerator 2, and two outfans of double helical tooth wheel seat 3 are connected with the end of bottom roll and topping roll by compound spindle 4 and drive bottom roll and topping roll to rotate respectively, wherein, namely described shaft coupling have employed the structure of the present invention, and it includes the circle flange flange 6 that power decelerator output shaft 5 end circumferentially convexes to form, also include the adapter sleeve 8 being set on double helical tooth wheel seat power shaft 7 end, adapter sleeve 8 inner surface is provided with ring gear and the external toothing 9 with the circle convex surfaces setting being positioned on double helical tooth wheel seat power shaft 7 engages, adapter sleeve 8 adopts screw 11 docking to be vertically fixed with a stop collar 10 near the end, one end of double helical tooth wheel seat, stop collar 10 abuts spacing away from the side surface that external toothing 9 place on the end surfaces in double helical tooth wheel seat direction and double helical tooth wheel seat power shaft is protruding, adapter sleeve 8 has a circle flange projection 12 away from the end in double helical tooth wheel seat direction is circumferentially arranged, described flange flange 6 and flange projection 12 are provided with the connecting hole of correspondence and connect by fitting bolt is fixing.
So, double helical tooth wheel seat power shaft adopts gear engagement one adapter sleeve is set, then connect by adapter sleeve is fixing with power decelerator output shaft again; Axial limiting is carried out by stop collar. So, certain axially adjustable gap can be reserved between double helical tooth wheel seat input shaft end portion and power decelerator output shaft end. Making when installing docking, adapter sleeve both can lean on gear to coordinate generation gap to reserve certain anglec of rotation adjusting range in the circumferential; Also there is certain adjustment space on axial distance simultaneously; Therefore can so that realize between adapter sleeve and power decelerator output shaft fixing connect time very convenient fast; Drastically increase installation convenience.
In above-mentioned blooming mill power section structure, it is provided with the first sealing structure between described stop collar 10 inner peripheral surface and double helical tooth wheel seat power shaft 7 outer surface, described stop collar 10 is provided with the second sealing structure away between end face and the power decelerator output shaft outer face of double helical tooth wheel seat, described first seal structure and second seal structure make described power decelerator output shaft 5 outer face to herringbone pinion stand power shaft 7 external toothing 9 position between bumps be formed with oil storage cavity 13, on described adapter sleeve 8, corresponding oil storage cavity 13 is provided with the oil-in 14 being communicated to oil storage cavity 13, it is provided with plug cock in oil-in 14.
So, lubricating oil can be injected from oil-in in the oil storage cavity formed after sealing to be lubricated, slow down the fretting wear between internal tooth and external tooth, and after lubricating oil is filled into the gap between internal tooth and external tooth, loss and impact that transmission is caused by the circular gap existed between internal tooth and external tooth in transmission process can be slowed down, it is ensured that transmission is smooth and easy.
In above-mentioned blooming mill power section structure, described first seals structure, including several closure gasket grooves (being preferably three) that described stop collar 10 inner peripheral surface is set up in parallel vertically, and the several sealing rings 15 installed between double helical tooth wheel seat power shaft 7 outer surface of closure gasket groove and correspondence, described second seals structure, including the circle seal convexity protruding axially outward that described adapter sleeve 8 is formed away from the end face inside edge of double helical tooth wheel seat, on described power decelerator output shaft 5 outer face, corresponding seal convexity is provided with a circle and inserts for seal convexity to be formed to seal to seal described in the seal groove 16(coordinated to coordinate and refer to that adapter sleeve is away from the while of supporting friction tight between end face and the power decelerator output shaft outer face of double helical tooth wheel seat, the outer surface of one circle seal convexity of described adapter sleeve and power decelerator output shaft outer face push against cooperation between the outer inner surface of seal groove, it is that the outer surface end of seal convexity is inserted when being provided with oblique fillet surface to facilitate cooperation better).
So, have employed uniqueness sealings structure carry out sealing can take into account the requirement of sealing and the requirement of assembling and transmission, specifically, in power decelerator output shaft and adapter sleeve junction, have employed two vertical friction tight sealing surfaces in 90 degree to seal, while ensureing sealing effectiveness, facilitate the fixing connection of double helical tooth wheel seat power shaft and adapter sleeve. The mode of multiple sealing ring arranged side by side is additionally then adopted to realize sealing between adapter sleeve and double helical tooth wheel seat power shaft, while ensureing sealing effectiveness, guarantee to provide the movement in certain circumference to be likely to and mobile possibility axially, it is ensured that being smoothed out of assembling. So both ensure that sealing, in turn ensure that and connect the fast smooth and easy of effect and assembling.
In above-mentioned blooming mill power section structure, the 3rd sealing structure it is additionally provided with between stop collar 10 and adapter sleeve 8, described 3rd seals structure, including one be formed between stop collar 10 and adapter sleeve 8 along transverse direction push against matching trim and one annular along the circumferential direction push against matching trim, two to push against matching trim adjacent and vertical. As such, it is possible to better ensure that between stop collar and adapter sleeve seal while, facilitate the installation of stop collar and adapter sleeve to fix.
In above-mentioned blooming mill power section structure, described fitting bolt, including screw rod 17, screw rod 17 one end is the head 18 of major diameter, the other end has threaded section, on screw rod 17 between head 18 and threaded section, spacer sleeve is provided with the ringwise force set 19 of several entirety, positioning step on the close screw head one end of force set and screw rod 17 of screw head 18 abuts, a tensioner nut 20 near the upper threaded engagement connection in close threaded section of one end of the force set of threaded section and threaded section abuts, the two ends outer surface of each force set that the force of above-mentioned two end overlaps relative one end and centre respectively has one section of outer bevel phase tilted axially inward, screw rod 17 between each force set 19 is also arranged with expansion sleeve 21, axially through being provided with the seam that rises on expansion sleeve 21, expansion sleeve 21 two ends inner surface is each provided with interior bevel phase one section outward-dipping and coordinates in the outer bevel phase of force set 19, described tensioner nut 20 outer surface is provided with external screw thread and threaded engagement has a clamp nut 22,Described expansion sleeve 21 is positioned at the connecting hole of flange flange and flange projection and with the laminating of connecting hole inner surface, described clamp nut 22 and screw head 17, flange flange and flange projection is compressed connection. Abut by a spacer shell between tensioner nut 20 on close threaded section of one end of the force set of threaded section and threaded section and coordinate.
So, when installing connection, by rotary expansion jack panel, it is possible to promote force set vertically, and then make expansion sleeve outward expansion by the cooperation of bevel phase, and then make expansion sleeve outer surface and connecting hole inner surface laminating tensioner; Rotatably compress nut, it is possible to achieve the compression of flange flange and flange projection connects; So, namely ensure that after installing that the compression of flange flange and flange projection connects, ensure that again the tensioner between fitting bolt and connecting hole coordinates so that it is transverse load and axial load can be born better, moment can be transmitted better, it is ensured that the stability that shaft coupling connects and works. Meanwhile, after long-term work vibration causes that between bolt and connecting hole, generation loosens, it is possible to be adjusted by rotary expansion jack panel so that expansion sleeve enters tensioner again, it is ensured that the stable delivery of moment. Better select to be that the external screw thread of tensioner nut outer surfaces and the female thread of its inner surface are oppositely arranged. So install and can produce self-locking effect after connecting, if namely clamp nut is unclamped by vibrations reverse rotation, can cause that clamp nut reversely rotates the power unclamped and is applied on tensioner nut and drives tensioner nut to advance, and then make clamp nut keep compressing; Equally when tensioner nut is unclamped by vibrations, causing that clamp nut rotates forward, due to clamp nut for pushing against state, therefore opposition can cause that tensioner nut cannot rotate toward the direction unclamped. During installation, it is possible to first rotary expansion jack panel pushes against, then circumferentially fixed live tensioner nut prevent from rotating while rotatably compress nut and compress, good self-locking effect can be produced after installing.
Claims (4)
1. a blooming mill power decelerator output shaft coupling structure, including reducer output shaft, it is arranged at a circle flange flange of reducer output shaft link end, also include double helical tooth wheel seat power shaft, the circle flange being arranged at double helical tooth wheel seat power shaft link end is protruding, described flange flange and be provided with the connecting hole of correspondence in flange projection and connect by fitting bolt is fixing, it is characterized in that, described fitting bolt includes screw rod, screw rod one end is the head of major diameter, the other end has threaded section, on screw rod between head and threaded section, spacer sleeve is provided with the ringwise force set of several entirety, positioning step on the close screw head one end of force set and screw rod of screw head abuts, a tensioner nut near the upper threaded engagement connection in close threaded section of one end of the force set of threaded section and threaded section abuts, the two ends outer surface of each force set that the force of above-mentioned two end overlaps relative one end and centre respectively has one section of outer bevel phase tilted axially inward, screw rod between each force set is also arranged with expansion sleeve, axially through being provided with the seam that rises on expansion sleeve, expansion sleeve two ends inner surface is each provided with interior bevel phase one section outward-dipping and coordinates in the outer bevel phase of force set, described tensioner nut outer surfaces is provided with external screw thread and threaded engagement has a clamp nut,Described expansion sleeve is positioned at the connecting hole of flange flange and flange projection and with the laminating of connecting hole inner surface, described clamp nut and screw head, flange flange and flange projection is compressed connection;
Abut by a spacer shell between tensioner nut on close threaded section of one end of the force set of threaded section and threaded section and coordinate.
2. blooming mill power decelerator output shaft coupling structure as claimed in claim 1, it is characterized in that, also include the adapter sleeve being set in double helical tooth wheel seat input shaft end portion, adapter sleeve inner surface is provided with ring gear and the external toothing engagement arranged with the circle convex surfaces being positioned on double helical tooth wheel seat power shaft, adapter sleeve adopts screw docking to be vertically fixed with a stop collar near the end, one end of double helical tooth wheel seat, stop collar abuts spacing away from the side surface that external toothing place on the end surfaces in double helical tooth wheel seat direction and double helical tooth wheel seat power shaft is protruding, adapter sleeve is protruding away from the circumferentially arranged described flange in end in double helical tooth wheel seat direction.
3. blooming mill power decelerator output shaft coupling structure as claimed in claim 2, it is characterized in that, it is provided with the first sealing structure between described stop collar inner peripheral surface and double helical tooth wheel seat power shaft outer surface, described stop collar is provided with the second sealing structure away between end face and the power decelerator output shaft outer face of double helical tooth wheel seat, described first seal structure and second seal structure make described power decelerator output shaft outer face to herringbone pinion stand power shaft external toothing position between bumps be formed with oil storage cavity, on described adapter sleeve, corresponding oil storage cavity is provided with the oil-in being communicated to oil storage cavity, plug cock it is provided with in oil-in.
4. blooming mill power decelerator output shaft coupling structure as claimed in claim 3, it is characterized in that, described first seals structure, including several closure gasket grooves that described stop collar inner peripheral surface is set up in parallel vertically, and the several sealing rings installed between the double helical tooth wheel seat power shaft outer surface of closure gasket groove and correspondence; Described second seals structure, including the circle seal convexity protruding axially outward that described adapter sleeve is formed away from the end face inside edge of double helical tooth wheel seat, on described power decelerator output shaft outer face, corresponding seal convexity is provided with a circle and inserts to be formed for seal convexity and seal the seal groove coordinated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410408358.8A CN104265781B (en) | 2014-08-19 | 2014-08-19 | A kind of blooming mill power decelerator output shaft coupling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410408358.8A CN104265781B (en) | 2014-08-19 | 2014-08-19 | A kind of blooming mill power decelerator output shaft coupling structure |
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| Publication Number | Publication Date |
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| CN104265781A CN104265781A (en) | 2015-01-07 |
| CN104265781B true CN104265781B (en) | 2016-06-08 |
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| CN201410408358.8A Active CN104265781B (en) | 2014-08-19 | 2014-08-19 | A kind of blooming mill power decelerator output shaft coupling structure |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS624926A (en) * | 1985-06-28 | 1987-01-10 | Toshiba Corp | Shaft joint of rotary machine |
| CN2388402Y (en) * | 1999-07-02 | 2000-07-19 | 镇江索达传动机械有限责任公司 | Coupling |
| CN200978896Y (en) * | 2006-12-08 | 2007-11-21 | 成都瑞迪机械实业有限公司 | Sleeve diaphragm coupler |
| DE102007044404A1 (en) * | 2007-09-18 | 2009-03-19 | P&S Vorspannsysteme Ag | Connecting arrangement or connection method with all-sided adhesion |
| CA2903558C (en) * | 2012-03-06 | 2020-04-28 | Technofast Industries Pty Ltd | High-capacity radial fit coupling bolts |
| JP6045244B2 (en) * | 2012-08-06 | 2016-12-14 | 三菱重工業株式会社 | Rotor axis alignment jig for rotating machine and rotor connection method |
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2014
- 2014-08-19 CN CN201410408358.8A patent/CN104265781B/en active Active
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Effective date of registration: 20190325 Address after: 401220 No. 1, Gangcheng Road, Changshou District, Chongqing Patentee after: Chongqing Iron and Steel Co., Ltd. Address before: 400080 No. 1, three village, Dadun three, Dadukou District, Chongqing Patentee before: Chongqing Iron & Steel (Group) Co., Ltd. |
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Address after: No.2 Jiangnan Avenue, Jiangnan street, Changshou District, Chongqing 401220 Patentee after: CHONGQING IRON & STEEL Co.,Ltd. Address before: 401220 No. 1, Gangcheng Road, Changshou District, Chongqing Patentee before: CHONGQING IRON & STEEL Co.,Ltd. |
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