CN101773939B - Centralized hold-down transmission device of cover opening and closing three-roll pipe mill - Google Patents
Centralized hold-down transmission device of cover opening and closing three-roll pipe mill Download PDFInfo
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- CN101773939B CN101773939B CN2009102600165A CN200910260016A CN101773939B CN 101773939 B CN101773939 B CN 101773939B CN 2009102600165 A CN2009102600165 A CN 2009102600165A CN 200910260016 A CN200910260016 A CN 200910260016A CN 101773939 B CN101773939 B CN 101773939B
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- roll
- commutator
- universal
- shaft
- bevel gear
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 31
- 230000008878 coupling Effects 0.000 claims abstract description 22
- 238000010168 coupling process Methods 0.000 claims abstract description 22
- 238000005859 coupling reaction Methods 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000005096 rolling process Methods 0.000 claims abstract description 13
- 230000000881 depressing effect Effects 0.000 claims description 21
- 239000003638 chemical reducing agent Substances 0.000 claims description 18
- 230000000994 depressogenic effect Effects 0.000 claims description 12
- 238000003801 milling Methods 0.000 abstract description 4
- 238000005242 forging Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The invention discloses a centralized hold-down transmission device of a cover opening and closing three-roll pipe mill, which solves the problem that the deviation is quite larger when the opening and the rolling milling angle of traditional three rolls are adjusted, and comprises three circuits of simultaneous transmission mechanisms which are respectively arranged on the inlet side and the outlet side of the three-roll pipe mill and in the same structure; in each mechanism, a first universal spiale (33) is connected with one end of a shaft, which passes through a first small bevel gear (11), through a flange (34); the other end of the shaft, which passes through the first small bevel gear (11), is connected with one end of a third universal spiale (14); the first small bevel gear (11) is meshed with a first large bevel gear (12); the central axis of the first large bevel gear (12) is mechanically connected with a worm in a turbo reducing gear of a first roll (10) through a key; and the third universal spiale (14) and a fifth universal coupling (24) are respectively connected with the other two rolls through the bevel gears. The centralized hold-down transmission device of the cover opening and closing three-roll pipe mill can mill pierced billets with high size, high precision and excellent surface quality.
Description
Technical field
The present invention relates to a kind of seamless steel pipe hot-rolling equipment, particularly a kind of roll of seamless steel pipe three-roll milling train is depressed adjusting device.
Background technology
At present, the structure of most of three-roll pipe mill is the open top roll housing structure that cover can Unscrew, and agent structure is fixed frame, inner roll chock, roll-box, rotary drum and opening degree, the angular adjustment apparatus installed.Cover is connected by hinge with support, and cover can rotate around hinge by Driven by Hydraulic Cylinder, thereby realizes the opening fast of cover, closure, and cover is by hydraulic locking cylinder.The roll off angle of three rolls and the opening degree of three rolls are by realizing each roll-box adjustment separately.Therefore it is lower that the advantage of this structure is that the crane capacity to driving requires, the most of milling train that adopts this structure of the unit more than nominal size Φ 180mm.The shortcoming of this structure be the opening degree of three rolls and the adjustment of roll off angle because of the deviation that artificial adjustment factor causes is bigger, influence the dimensional accuracy and the surface quality of hollow forging.
Summary of the invention
Three roll gaps and roll off angles deviation when adjusting that the concentrated hold-down transmission device of a kind of cover opening and closing three-roll pipe mill provided by the invention has solved existing cover opening and closing three-roll pipe mill is bigger, thus the technical problem of the dimensional accuracy of influence of rolled hollow forging and surface quality.
The present invention overcomes the above problems by following scheme:
A kind of concentrated hold-down transmission device of cover opening and closing three-roll pipe mill, the support that comprises three-roll pipe mill, cover, the cover opening and closing oil cylinder that on support, is provided with, the hinge that between support and cover, is provided with, a side of the rolling-mill housing of three-roll pipe mill that be provided with the base rolling direction parallel rectangular, end at described base is set with drive motors, the support corresponding with the entrance side left and right horizontal direction of three-roll pipe mill is provided with first commutator, the support corresponding with the outlet side left and right horizontal direction of three-roll pipe mill is provided with second commutator, the output shaft of drive motors links together by the power shaft of the key and second commutator, the output shaft and second universal-joint spindle of second commutator vertical with the power shaft of second commutator link together, link together with an end that connects axle with another output shaft of equidirectional second commutator of the power shaft of second commutator, the power shaft of the other end by the clutch and first commutator that connects axle links together, and the output shaft and first universal-joint spindle of first commutator vertical with the power shaft of first commutator link together; Be respectively arranged with the concentrated transmission mechanism of depressing of three road identical transmissions simultaneously of structure at the entrance side of three-roll pipe mill and outlet side; The concentrated transmission mechanism of depressing of three road transmissions simultaneously of entrance side is that first universal-joint spindle links together by the end of flange with the axle that passes first bevel pinion, pass first bevel pinion the axle the other end and an end of the 3rd universal-joint spindle link together, first bevel pinion and first bevel gear mesh together, the central shaft of first bevel gear is mechanically coupled together by the worm screw in the worm speed reducer of the key and first roll, the worm speed reducer of first roll is depressed leading screw by first and is realized first roll depressing or mention to rolling centerline, the central shaft of the other end of the 3rd universal-joint spindle and second bevel pinion is mechanically coupled together, second bevel pinion and second largest bevel gear mesh together, the central shaft of second largest bevel gear is mechanically coupled together by the worm screw in the worm speed reducer of the key and second roll, the worm speed reducer of second roll is depressed leading screw by second and is realized second roll depressing or mention to rolling centerline, with the 3rd roll counterparty to the 4th bevel pinion that is provided with the engagement of first bevel gear, one terminal tool of the central shaft of the 4th bevel pinion and the 4th Hooks coupling universal coupling links together, the other end of the 4th universal shaft coupling device links together by a terminal tool of slip coupling and the 5th Hooks coupling universal coupling, the central shaft of the other end of the 5th Hooks coupling universal coupling and the 3rd bevel pinion links together, the 3rd bevel pinion and the engagement of the third-largest bevel gear, the central shaft of the third-largest bevel gear is mechanically coupled together by the worm screw in the worm speed reducer of key and the 3rd roll, and the worm speed reducer of the 3rd roll is depressed leading screw by the 3rd and realized the 3rd roll depressing or mention to rolling centerline; Described second universal-joint spindle is connected with the three road concentrated transmission mechanisms of depressing of the outlet side of three-roll pipe mill.
Be provided with encoder respectively on described first commutator and second commutator.
The invention has the beneficial effects as follows the uniformity that the opening degree that guaranteed three rolls and roll off angle are adjusted, be beneficial to and shut out high dimensional accuracy and the good hollow forging of surface quality.
Description of drawings
Fig. 1 is the overall structure schematic diagram of master's apparent direction of the present invention
Fig. 2 is that the present invention overlooks the drive motors of direction and the structural representation of commutator part
Fig. 3 is the concentrated transmission mechanism schematic diagram of depressing of three road transmissions simultaneously of milling train entrance side
The specific embodiment
Below in conjunction with accompanying drawing production technology of the present invention is described:
A kind of concentrated hold-down transmission device of cover opening and closing three-roll pipe mill, the support 5 that comprises three-roll pipe mill, cover 4, the cover opening and closing oil cylinder 7 that on support 5, is provided with, the hinge 6 that between support 5 and cover 4, is provided with, a side of the rolling-mill housing of three-roll pipe mill that be provided with the base 35 rolling direction parallel rectangular, end at described base 35 is set with drive motors 9, the support 5 corresponding with the entrance side left and right horizontal direction of three-roll pipe mill is provided with first commutator 29, the support 5 corresponding with the outlet side left and right horizontal direction of three-roll pipe mill is provided with second commutator 8, the output shaft of drive motors 9 links together by the power shaft of the key and second commutator 8, the output shaft and second universal-joint spindle 32 of second commutator 8 vertical with the power shaft of second commutator 8 link together, link together with an end that connects axle 30 with another output shaft of equidirectional second commutator 8 of the power shaft of second commutator 8, connect the power shaft of axle 30 the other end by the clutch 31 and first commutator 29 and link together, the output shaft and first universal-joint spindle 33 of first commutator 29 vertical with the power shaft of first commutator 29 link together;
Be respectively arranged with the concentrated transmission mechanism of depressing of three road identical transmissions simultaneously of structure at the entrance side of three-roll pipe mill and outlet side, when three road transmissions simultaneously of the entrance side of three-roll pipe mill and outlet side concentrated depressed transmission mechanism and worked simultaneously, position and 3 rolls of outlet side position of depressing a little that 3 rolls of entrance side are depressed a little are to change synchronously, thereby realize the synchronous adjustment of opening degree; Clutch 31 is unclamped the concentrated transmission mechanism of depressing that rear drive motor 9 can only drive three road transmissions simultaneously of outlet side, realize adjustment the roll off angle of three rolls.
The concentrated transmission mechanism of depressing of three road transmissions simultaneously of entrance side is that first universal-joint spindle 33 links together by the end of flange 34 with the axle that passes first bevel pinion 11, pass first bevel pinion 11 the axle the other end and an end of the 3rd universal-joint spindle 14 link together, first bevel pinion 11 meshes together with first bevel gear 12, the central shaft of first bevel gear 12 is mechanically coupled together by the worm screw in the worm speed reducer of the key and first roll 10, the worm speed reducer of first roll 10 is depressed leading screw 13 by first and is realized first roll depressing or mention to rolling centerline, the central shaft of the other end of the 3rd universal-joint spindle 14 and second bevel pinion 16 is mechanically coupled together, second bevel pinion 16 meshes together with second largest bevel gear 17, the central shaft of second largest bevel gear 17 is mechanically coupled together by the worm screw in the worm speed reducer of the key and second roll 18, the worm speed reducer of second roll 18 is depressed leading screw 15 by second and is realized second roll depressing or mention to rolling centerline, with the 3rd roll 27 counterparties to the 4th bevel pinion 19 that is provided with 12 engagements of first bevel gear, one terminal tool of the central shaft of the 4th bevel pinion 19 and the 4th Hooks coupling universal coupling 20 links together, the other end of the 4th Hooks coupling universal coupling 20 links together by a terminal tool of slip coupling 21 and the 5th Hooks coupling universal coupling 24, the central shaft of the other end of the 5th Hooks coupling universal coupling 24 and the 3rd bevel pinion 25 links together, the 3rd bevel pinion 25 and the third-largest bevel gear 26 engagements, the central shaft of the third-largest bevel gear 26 is mechanically coupled together by the worm screw in the worm speed reducer of key and the 3rd roll 27, and the worm speed reducer of the 3rd roll 27 is depressed leading screw 28 by the 3rd and realized the 3rd roll depressing or mention to rolling centerline; Described second universal-joint spindle 32 is connected with the three road concentrated transmission mechanisms of depressing of the outlet side of three-roll pipe mill.Be provided with encoder respectively on described first commutator 29 and second commutator 8.
When needs are opened cover 4, only jackscrew 22 need be unclamped, and slip shaft joint 21 is unclamped, can realize that under the driving of cover opening and closing oil cylinder 7 skill lid 4 opens round the upset of hinge 6.
Claims (2)
1. the concentrated hold-down transmission device of a cover opening and closing three-roll pipe mill, the support (5) that comprises three-roll pipe mill, cover (4), go up the cover opening and closing oil cylinder (7) that is provided with at support (5), the hinge (6) that between support (5) and cover (4), is provided with, a side of the rolling-mill housing of three-roll pipe mill that be provided with base (35) the rolling direction parallel rectangular, it is characterized in that: the end at described base (35) is set with drive motors (9), the support (5) corresponding with the entrance side left and right horizontal direction of three-roll pipe mill is provided with first commutator (29), the support (5) corresponding with the outlet side left and right horizontal direction of three-roll pipe mill is provided with second commutator (8), the output shaft of drive motors (9) links together by the power shaft of a shaft joint and second commutator (8), the output shaft and second universal-joint spindle (32) of second commutator (8) vertical with the power shaft of second commutator (8) link together, link together with an end that connects axle (30) with another output shaft of equidirectional second commutator of the power shaft of second commutator (8) (8), the other end that connects axle (30) links together by the power shaft of clutch (31) with first commutator (29), and the output shaft and first universal-joint spindle (33) of first commutator (29) vertical with the power shaft of first commutator (29) link together; Be respectively arranged with the concentrated transmission mechanism of depressing of three road identical transmissions simultaneously of structure at the entrance side of three-roll pipe mill and outlet side; The concentrated transmission mechanism of depressing of three road transmissions simultaneously of entrance side is that first universal-joint spindle (33) links together by the end of flange (34) with the axle that passes first bevel pinion (11), pass first bevel pinion (11) the axle the other end and an end of the 3rd universal-joint spindle (14) link together, first bevel pinion (11) meshes together with first bevel gear (12), the central shaft of first bevel gear (12) is mechanically coupled together by the worm screw in the worm speed reducer of key and first roll (10), the worm speed reducer of first roll (10) is depressed leading screw (13) by first and is realized first roll depressing or mention to rolling centerline, the central shaft of the other end of the 3rd universal-joint spindle (14) and second bevel pinion (16) is mechanically coupled together, second bevel pinion (16) meshes together with second largest bevel gear (17), the central shaft of second largest bevel gear (17) is mechanically coupled together by the worm screw in the worm speed reducer of key and second roll (18), the worm speed reducer of second roll (18) is depressed leading screw (15) by second and is realized second roll depressing or mention to rolling centerline, with the 3rd roll (27) counterparty to the 4th bevel pinion (19) that is provided with first bevel gear (12) engagement, one terminal tool of the central shaft of the 4th bevel pinion (19) and the 4th universal shaft coupling device (20) links together, the other end of the 4th universal shaft coupling device (20) links together by the terminal tool of slip shaft joint (21) with the 5th universal shaft coupling device (24), the central shaft of the other end of the 5th universal shaft coupling device (24) and the 3rd bevel pinion (25) links together, the 3rd bevel pinion (25) and the third-largest bevel gear (26) engagement, the central shaft of the third-largest bevel gear (26) is mechanically coupled together by the worm screw in the worm speed reducer of key and the 3rd roll (27), and the worm speed reducer of the 3rd roll (27) is depressed leading screw (28) by the 3rd and realized the 3rd roll depressing or mention to rolling centerline; Described second universal-joint spindle (32) is connected with the three road concentrated transmission mechanisms of depressing of the outlet side of three-roll pipe mill.
2. the concentrated hold-down transmission device of a kind of cover opening and closing three-roll pipe mill according to claim 1 is characterized in that: be provided with encoder respectively on described first commutator (29) and second commutator (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102600165A CN101773939B (en) | 2009-12-23 | 2009-12-23 | Centralized hold-down transmission device of cover opening and closing three-roll pipe mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102600165A CN101773939B (en) | 2009-12-23 | 2009-12-23 | Centralized hold-down transmission device of cover opening and closing three-roll pipe mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101773939A CN101773939A (en) | 2010-07-14 |
| CN101773939B true CN101773939B (en) | 2011-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102600165A Expired - Fee Related CN101773939B (en) | 2009-12-23 | 2009-12-23 | Centralized hold-down transmission device of cover opening and closing three-roll pipe mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101773939B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102989779A (en) * | 2012-11-09 | 2013-03-27 | 江苏熙友磁电科技有限公司 | Automatic opening and closing system of upper shield of rolling mill |
| CN105127209A (en) * | 2015-09-28 | 2015-12-09 | 中国重型机械研究院股份公司 | Transmission distribution device for three-roll rolling mill |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3703756A1 (en) * | 1987-02-07 | 1988-08-18 | Kocks Technik | Rolling stand for rolling rod or tube stock |
| CN2239305Y (en) * | 1995-09-20 | 1996-11-06 | 宝山钢铁(集团)公司 | 3-roller synchronous, pressure adjustable frame placing structure |
| CN1775392A (en) * | 2005-12-22 | 2006-05-24 | 中冶集团北京冶金设备研究设计总院 | Single-driven input shaft draft-adjustable three-roll mill |
| CN101232956A (en) * | 2005-07-29 | 2008-07-30 | 丹尼利机械设备股份公司 | Rolling mill with stands with three adjustable rolls |
| CN201618727U (en) * | 2009-12-23 | 2010-11-03 | 太原通泽重工有限公司 | Concentrated screw-down transmission device of three roll pipe mill with open-close type machine cover |
-
2009
- 2009-12-23 CN CN2009102600165A patent/CN101773939B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3703756A1 (en) * | 1987-02-07 | 1988-08-18 | Kocks Technik | Rolling stand for rolling rod or tube stock |
| CN2239305Y (en) * | 1995-09-20 | 1996-11-06 | 宝山钢铁(集团)公司 | 3-roller synchronous, pressure adjustable frame placing structure |
| CN101232956A (en) * | 2005-07-29 | 2008-07-30 | 丹尼利机械设备股份公司 | Rolling mill with stands with three adjustable rolls |
| CN1775392A (en) * | 2005-12-22 | 2006-05-24 | 中冶集团北京冶金设备研究设计总院 | Single-driven input shaft draft-adjustable three-roll mill |
| CN201618727U (en) * | 2009-12-23 | 2010-11-03 | 太原通泽重工有限公司 | Concentrated screw-down transmission device of three roll pipe mill with open-close type machine cover |
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| Publication number | Publication date |
|---|---|
| CN101773939A (en) | 2010-07-14 |
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Granted publication date: 20111012 |
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