CN109201744A - A kind of gearing mechanism for vertical roll of metal-rolling mill - Google Patents
A kind of gearing mechanism for vertical roll of metal-rolling mill Download PDFInfo
- Publication number
- CN109201744A CN109201744A CN201811139175.5A CN201811139175A CN109201744A CN 109201744 A CN109201744 A CN 109201744A CN 201811139175 A CN201811139175 A CN 201811139175A CN 109201744 A CN109201744 A CN 109201744A
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- CN
- China
- Prior art keywords
- sunpender
- hollow shaft
- rack
- speed reducer
- nut
- Prior art date
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Classifications
-
- 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
- B21B35/12—Toothed-wheel gearings specially adapted for metal-rolling mills; Housings or mountings therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
The invention discloses a kind of gearing mechanism for vertical roll of metal-rolling mill, including rack, the top of rack is symmetrically arranged with two motors, each motor is corresponded in the cavity structure of rack is equipped with transmission speed reducer through rack, the inside of transmission speed reducer is equipped with the hollow shaft with end-tooth, the end-tooth of hollow shaft is connected with connection bolt, the end that transmission speed reducer is located at upper rack is equipped with the end cap of hollow shaft, two motors pass through pinion gear with corresponding transmission speed reducer respectively, gear wheel is connected by meshing transmission, the inside of the hollow shaft is equipped with sunpender, cardan axis is connect with sunpender by nut, the cardan axis is connected with the roll of rotation rolling steel billet far from one end of sunpender.The advantages of the present invention over the prior art are that: investment cost is low, and easy to process, applied widely, applicable flexibility and reliability, easy to repair, transmission stability is good, effectively reduces service work intensity and reduces the repair time, significantly improves working efficiency.
Description
Technical field
The present invention relates to milling equipment technical field, in particular to a kind of gearing mechanism for vertical roll of metal-rolling mill.
Background technique
Currently, the coupling part of spindle and speed reducer is easy in the transmission of the edger roll of hot rolling line breaking down and finish rolling
Existing failure, failure rate is higher, and main cause is transmission connecting shaft and speed reducer is vertically to be connected and fixed, in rolling process, connection
Bolt due to the compound action by spindle gravity and steel rolling torque, the connection bolt of spindle and transmission speed reducer often occurs
It loosens, in turn results in spindle and fall off, due to running at high speed for speed reducer, spindle and the end-tooth of speed reducer connecting portion is caused to beat
Tooth, connection bolt pull out, and the silk damage of bolt hole causes the accident, and break down time is long, seriously affect production, simultaneously because
The damage of speed reducer and transmission connecting shaft connecting portion hollow shaft bolt hole, hides some dangers for later production.In order to thoroughly eliminate
Hidden danger, it is necessary to prepare speed reducer spare part, replace speed reducer, overhauls cost overruns, the repair time greatly prolongs, if things go on like this, shape
At vicious circle.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the above technological deficiency, provide that a kind of structure is simple, using flexible, dimension
It repairs conveniently, reduces failure rate, reduce working strength, improve the running rate of equipment, the gearing mechanism for vertical roll of metal-rolling mill improved benefit.
In order to solve the above technical problems, technical solution provided by the invention are as follows: a kind of gearing mechanism for vertical roll of metal-rolling mill, including machine
Frame, the inside of the rack are cavity structure, and the top of rack is symmetrically arranged with two motors, corresponds in the cavity structure of rack every
A motor is equipped with the transmission speed reducer through rack, and the inside of transmission speed reducer is equipped with the hollow shaft with end-tooth, hollow shaft
End-tooth be connected with connection bolt, the end that transmission speed reducer is located at upper rack is equipped with the end cap of hollow shaft, described hollow
The outer cover of axis is equipped with gear wheel, and gear wheel is engaged with pinion gear, and two motors pass through with corresponding transmission speed reducer small respectively
Gear, gear wheel are connected by meshing transmission, and the inside of the hollow shaft is equipped with the sunpender through hollow shaft both ends, one end of sunpender
Be fixed on end cap, the other end is connected with cardan axis, and one end of cardan axis connection sunpender is welded with nut, cardan axis with
Sunpender is connected by nut, and the cardan axis by end-tooth and connect the fixed company of bolt with hollow shaft close to one end of sunpender
It connects, the cardan axis is connected with the roll of rotation rolling steel billet far from one end of sunpender.
As an improvement, the sunpender is the screw rod of both ends thread, the bolt length of screw rod is hollow shaft length twice, nut
The pitch length that at least five times of thickness, the sunpender use 42CrMo material.
As an improvement, the cardan axis is cavity close to the head of the end of sunpender, the bottom surface of the nut is welded on
The bottom surface of cavity inside, the verticality of welding are 0.1.
As an improvement, the nut uses 42CrMo material.
The advantages of the present invention over the prior art are that: investment cost is low, easy to process, applied widely, applicable spirit
Living reliable, easy to repair, transmission stability is good, effectively reduces service work intensity and reduces the repair time, significantly improves work
Make efficiency.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of gearing mechanism for vertical roll of metal-rolling mill of the present invention.
It is as shown in the figure: 1, motor, 2, sunpender, 3, end cap, 4, gear wheel, 5, connection bolt, 6, nut, 7, cardan axis,
8, steel billet, 9, pinion gear, 10, hollow shaft, 11, edger roll.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings.
In conjunction with attached drawing 1, a kind of gearing mechanism for vertical roll of metal-rolling mill, including rack, the inside of the rack are cavity structure, rack
Top be symmetrically arranged with two motors 1, two motors 1 are vertical with rack, and each motor 1 is corresponded in the cavity structure of rack
Equipped with the transmission speed reducer for running through rack, the inside of transmission speed reducer is equipped with the hollow shaft 10 with end-tooth, the end of hollow shaft 10
Face tooth is connected with connection bolt 5, and the end that transmission speed reducer is located at upper rack is equipped with the end cap 3 of hollow shaft 10, described hollow
The outer cover of axis 10 is equipped with gear wheel 4, and gear wheel 4 engages with pinion gear 9, two motors 1 respectively with corresponding transmission speed reducer
It is connected by meshing transmission by pinion gear 9, gear wheel 4, the inside of the hollow shaft 10 is equipped with hanging through 10 both ends of hollow shaft
Bar 2, one end of sunpender 2 are fixed on end cap 3, and the other end is connected with cardan axis 7, and cardan axis 7 connects one end weldering of sunpender 2
It is connected to nut 6, cardan axis 7 is connect with sunpender 2 by nut 6, the one end and hollow shaft of the cardan axis 7 close to sunpender 2
10 are fixedly connected by end-tooth with connection bolt 5, and the cardan axis 7 is connected with rotation rolled steel far from one end of sunpender 2
The roll 11 of base 8.
The sunpender 2 is the screw rod of both ends thread, and the bolt length of screw rod is 10 length of hollow shaft twice, 6 thickness of nut
At least five times of pitch length, the sunpender 2 use 42CrMo material.
The head of end of the cardan axis 7 close to sunpender 2 is cavity, and the bottom surface of the nut 6 is welded in cavity
The bottom surface in portion, the verticality of welding are 0.1.
The nut 6 uses 42CrMo material.
The working principle of the invention is: the edger roll transmission system of breaking down is the device for controlling width of steel billet in rolling process,
In rolling steel billet 8,1 drive pinion 9 of motor, drive pinion 9 engage gear wheel 4 rotate, gear wheel 4 with end-tooth
Hollow shaft 10 is interference fitted, and hollow shaft 10 is driven to rotate, and hollow shaft 10 passes through end-tooth and connect bolt 5 and consolidates with cardan axis 7
It is fixed, and then the rotation of roll 11 is made to carry out rolling steel billet 8, on both sides under the action of roll 11, the width of steel billet 8 is controlled, after transformation
Cardan axis 7 is connect by welded nut 6 in head cavity with sunpender 2, is fixed on end cap 3, is played to vertical drive
The effect that further strengthens.
The present invention and its embodiments have been described above, this description is no restricted, shown in the drawings
Only one of embodiments of the present invention, actual structure is not limited to this.All in all if the ordinary skill of this field
Personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution phase
As frame mode and embodiment, be within the scope of protection of the invention.
Claims (4)
1. a kind of gearing mechanism for vertical roll of metal-rolling mill, including rack, it is characterised in that: the inside of the rack is cavity structure, rack
Top be symmetrically arranged with two motors (1), each motor (1) is corresponded in the cavity structure of rack and is equipped with transmission through rack
The inside of speed reducer, transmission speed reducer is equipped with the hollow shaft (10) with end-tooth, and the end-tooth of hollow shaft (10) is connected with bolt
(5), the end that transmission speed reducer is located at upper rack is equipped with the end cap (3) of hollow shaft (10), the outside of the hollow shaft (10)
It is arranged with gear wheel (4), gear wheel (4) is engaged with pinion gear (9), and two motors (1) are logical with corresponding transmission speed reducer respectively
Cross pinion gear (9), gear wheel (4) are connected by meshing transmission, the inside of the hollow shaft (10), which is equipped with, runs through hollow shaft (10) two
The sunpender (2) at end, one end of sunpender (2) are fixed on end cap (3), and the other end is connected with cardan axis (7), cardan axis (7)
One end of connection sunpender (2) is welded with nut (6), and cardan axis (7) is connect with sunpender (2) by nut (6), the universal joint
Axis (7) passes through end-tooth and connect bolt (5) close to the one end of sunpender (2) with hollow shaft (10) to be fixedly connected, the universal joint
Axis (7) is connected with the roll (11) of rotation rolling steel billet (8) far from the one end of sunpender (2).
2. a kind of gearing mechanism for vertical roll of metal-rolling mill according to claim 1, it is characterised in that: the sunpender (2) is double-ended vehicle
The screw rod of silk, the bolt length of screw rod is hollow shaft (10) length twice, the pitch length of at least five times of thickness of nut (6), institute
Sunpender (2) are stated using 42CrMo material.
3. a kind of gearing mechanism for vertical roll of metal-rolling mill according to claim 1, it is characterised in that: the cardan axis (7) is close
The head of the end of sunpender (2) is cavity, and the bottom surface of the nut (6) is welded on the bottom surface of cavity inside, the verticality of welding
It is 0.1.
4. a kind of gearing mechanism for vertical roll of metal-rolling mill according to claim 1, it is characterised in that: the nut (6) uses
42CrMo material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811139175.5A CN109201744B (en) | 2018-09-28 | 2018-09-28 | Vertical roller transmission device of rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811139175.5A CN109201744B (en) | 2018-09-28 | 2018-09-28 | Vertical roller transmission device of rolling mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109201744A true CN109201744A (en) | 2019-01-15 |
| CN109201744B CN109201744B (en) | 2021-03-23 |
Family
ID=64982107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811139175.5A Active CN109201744B (en) | 2018-09-28 | 2018-09-28 | Vertical roller transmission device of rolling mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109201744B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU243561A1 (en) * | 1967-06-01 | 1973-08-22 | DRIVE OF THE VERTICAL ROLLING CELL | |
| CS227828B1 (en) * | 1981-02-23 | 1984-05-14 | Vaclav Mares | Equipment for vertical displacement of the container of working rolls of the vertical rolling mill |
| CN101108395A (en) * | 2007-08-22 | 2008-01-23 | 天津市天发重型水电设备制造有限公司 | Rough rolling vertical roller mill |
| KR101062119B1 (en) * | 2009-01-16 | 2011-09-02 | 현대제철 주식회사 | Universal joint lower cover centering method of rolling mill and jig used therein |
| CN102310087A (en) * | 2011-08-26 | 2012-01-11 | 宁波中超机器有限公司 | Vertical roller mill |
| CN102310084B (en) * | 2011-08-26 | 2014-08-06 | 宁波中超机器有限公司 | Vertical roller mill |
| CN204657105U (en) * | 2014-12-16 | 2015-09-23 | 二重集团（德阳）重型装备股份有限公司 | Vertical miller spindle lift structure |
| CN105107847A (en) * | 2015-08-19 | 2015-12-02 | 鞍钢集团工程技术有限公司 | Vertical rolling mill adopting upper transmission mode |
| CN205571289U (en) * | 2016-03-24 | 2016-09-14 | 邯郸鸿力轴承有限公司 | Accurate cold ring rolling machine of planetary multistation |
| CN207057281U (en) * | 2017-08-24 | 2018-03-02 | 北京京诚之星科技开发有限公司 | Angle gear box for single chassis transmission steel tube stretch-reducing mill |
| CN208976509U (en) * | 2018-09-28 | 2019-06-14 | 莱芜市白象消防器材有限公司 | A kind of gearing mechanism for vertical roll of metal-rolling mill |
-
2018
- 2018-09-28 CN CN201811139175.5A patent/CN109201744B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU243561A1 (en) * | 1967-06-01 | 1973-08-22 | DRIVE OF THE VERTICAL ROLLING CELL | |
| CS227828B1 (en) * | 1981-02-23 | 1984-05-14 | Vaclav Mares | Equipment for vertical displacement of the container of working rolls of the vertical rolling mill |
| CN101108395A (en) * | 2007-08-22 | 2008-01-23 | 天津市天发重型水电设备制造有限公司 | Rough rolling vertical roller mill |
| CN100469471C (en) * | 2007-08-22 | 2009-03-18 | 天津市天发重型水电设备制造有限公司 | Rough rolling vertical roller mill |
| KR101062119B1 (en) * | 2009-01-16 | 2011-09-02 | 현대제철 주식회사 | Universal joint lower cover centering method of rolling mill and jig used therein |
| CN102310087A (en) * | 2011-08-26 | 2012-01-11 | 宁波中超机器有限公司 | Vertical roller mill |
| CN102310084B (en) * | 2011-08-26 | 2014-08-06 | 宁波中超机器有限公司 | Vertical roller mill |
| CN204657105U (en) * | 2014-12-16 | 2015-09-23 | 二重集团（德阳）重型装备股份有限公司 | Vertical miller spindle lift structure |
| CN105107847A (en) * | 2015-08-19 | 2015-12-02 | 鞍钢集团工程技术有限公司 | Vertical rolling mill adopting upper transmission mode |
| CN205571289U (en) * | 2016-03-24 | 2016-09-14 | 邯郸鸿力轴承有限公司 | Accurate cold ring rolling machine of planetary multistation |
| CN207057281U (en) * | 2017-08-24 | 2018-03-02 | 北京京诚之星科技开发有限公司 | Angle gear box for single chassis transmission steel tube stretch-reducing mill |
| CN208976509U (en) * | 2018-09-28 | 2019-06-14 | 莱芜市白象消防器材有限公司 | A kind of gearing mechanism for vertical roll of metal-rolling mill |
Non-Patent Citations (1)
| Title |
|---|
| 周兴杰: "热轧板带钢立辊轧机主传动型式归纳分析", 《中国重型装备》 * |
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| Publication number | Publication date |
|---|---|
| CN109201744B (en) | 2021-03-23 |
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