CN109201744B - Vertical roller transmission device of rolling mill - Google Patents
Vertical roller transmission device of rolling mill Download PDFInfo
- Publication number
- CN109201744B CN109201744B CN201811139175.5A CN201811139175A CN109201744B CN 109201744 B CN109201744 B CN 109201744B CN 201811139175 A CN201811139175 A CN 201811139175A CN 109201744 B CN109201744 B CN 109201744B
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- hollow shaft
- universal joint
- rack
- transmission
- shaft
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- 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
Abstract
The invention discloses a vertical roll transmission device of a rolling mill, which comprises a rack, wherein two motors are symmetrically arranged at the upper part of the rack, a transmission speed reducer penetrating through the rack is arranged in a cavity structure of the rack corresponding to each motor, a hollow shaft with end face teeth is arranged in the transmission speed reducer, the end face teeth of the hollow shaft are connected with connecting bolts, an end cover of the hollow shaft is arranged at the end part of the transmission speed reducer positioned at the upper part of the rack, the two motors are respectively in transmission connection with the corresponding transmission speed reducers through the meshing of a pinion and a bull gear, a hanging rod is arranged in the hollow shaft, a universal joint shaft is connected with the hanging rod through a nut, and one end of the universal joint shaft. Compared with the prior art, the invention has the advantages that: the device has the advantages of low investment cost, convenient processing, wide application range, flexible and reliable application, convenient maintenance, good transmission stability, effectively reduced maintenance working strength and maintenance time, and remarkably improved working efficiency.
Description
Technical Field
The invention relates to the technical field of rolling mill equipment, in particular to a vertical roller transmission device of a rolling mill.
Background
At present, in the vertical roll transmission of the initial rolling and the finish rolling of a hot rolling production line, the connection part of a connecting shaft and a speed reducer is easy to break down, the failure rate is high, the main reason is that the transmission connecting shaft and the speed reducer are vertically connected and fixed, in the steel rolling process, the connected bolt is subjected to the combined action of the gravity of the connecting shaft and the steel rolling torque, the connecting bolt of the connecting shaft and the transmission speed reducer is often loosened, the connecting shaft is further fallen off, the end face teeth of the connecting part of the connecting shaft and the speed reducer are knocked out due to the high-speed operation of the speed reducer, the connecting bolt is pulled out, the wire of the bolt hole is damaged, an accident is caused, the accident handling time is long, the production is seriously influenced, and meanwhile, the hidden danger is buried for the. In order to completely eliminate hidden troubles, spare parts of the speed reducer are prepared and replaced, the maintenance cost is excessive, the maintenance time is greatly prolonged, and vicious circle is formed in the past.
Disclosure of Invention
The invention aims to solve the technical problems and provide a vertical roller transmission device of a rolling mill, which has the advantages of simple structure, flexible use, convenient maintenance, reduced failure rate, reduced working strength, improved operation rate of equipment and improved benefit.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: a vertical roller transmission device of a rolling mill comprises a rack, wherein the inside of the rack is of a cavity structure, two motors are symmetrically arranged on the upper portion of the rack, a transmission speed reducer penetrating through the rack is arranged in the cavity structure of the rack and corresponds to each motor, a hollow shaft with end face teeth is arranged in the transmission speed reducer, the end face teeth of the hollow shaft are connected with connecting bolts, an end cover of the hollow shaft is arranged at the end portion, located on the upper portion of the rack, of the transmission speed reducer, a large gear is sleeved outside the hollow shaft and is meshed with a small gear, the two motors are respectively in transmission connection with the corresponding transmission speed reducers through the meshing of the small gear and the large gear, suspenders penetrating through the two ends of the hollow shaft are arranged in the hollow shaft, one end of each suspender is fixed on the end cover, the other end of each suspender, one end of the universal joint shaft, which is close to the suspender, is fixedly connected with the hollow shaft through end face teeth and a connecting bolt, and one end of the universal joint shaft, which is far away from the suspender, is connected with a roller for rotatably rolling billets;
the hanger rod is a screw rod with two ends turned with threads, the thickness of the nut is at least five times of the pitch length, and the hanger rod is made of 42CrMo material;
the head of the end part of the universal joint shaft close to the suspender is a cavity, the bottom surface of the nut is welded on the bottom surface inside the cavity, and the welding verticality is 0.1.
The nut is made of 42CrMo material;
a fixed seat is arranged between the bottom of the motor and the upper surface of the frame;
when rolling the steel billet, the motor drive pinion, the pinion meshing gear wheel is rotatory, the gear wheel and the hollow shaft interference fit who takes the terminal surface tooth drive the hollow shaft rotatory, the hollow shaft passes through terminal surface tooth and connecting bolt with the universal joint axle and fixes, and then make the roll rotation roll the steel billet, under the effect of both sides roll, the width of control steel billet, universal joint axle passes through the head cavity internal weld nut and is connected with the jib after the transformation, fix on the end cover, further strengthened effect has been played perpendicular transmission.
Compared with the prior art, the invention has the advantages that: the device has the advantages of low investment cost, convenient processing, wide application range, flexible and reliable application, convenient maintenance, good transmission stability, effectively reduced maintenance working strength and maintenance time, and remarkably improved working efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a vertical roll transmission device of a rolling mill.
As shown in the figure: 1. the device comprises a motor, 2, a hanger rod, 3, an end cover, 4, a gearwheel, 5, a connecting bolt, 6, a nut, 7, a universal joint shaft, 8, a billet, 9, a pinion, 10, a hollow shaft, 11 and a vertical roll.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
With reference to the attached drawing 1, the vertical roll transmission device of the rolling mill comprises a frame, wherein a cavity structure is arranged inside the frame, two motors 1 are symmetrically arranged on the upper portion of the frame, the two motors 1 are both vertical to the frame, a transmission speed reducer penetrating through the frame is arranged in the cavity structure of the frame and corresponds to each motor 1, a hollow shaft 10 with end face teeth is arranged inside the transmission speed reducer, the end face teeth of the hollow shaft 10 are connected with connecting bolts 5, an end cover 3 of the hollow shaft 10 is arranged at the end portion of the transmission speed reducer on the upper portion of the frame, a large gear 4 is sleeved outside the hollow shaft 10 and is meshed with a small gear 9, the two motors 1 are respectively in transmission connection with the corresponding transmission speed reducer through the meshing of the small gear 9 and the large gear 4, a hanging rod 2 penetrating through two ends of the hollow shaft 10 is arranged inside the hollow shaft 10, one, the one end welding that jib 2 was connected to universal joint axle 7 has nut 6, and universal joint axle 7 passes through nut 6 with jib 2 and is connected, universal joint axle 7 is close to the one end of jib 2 and passes through terminal surface tooth and 5 fixed connection of connecting bolt with hollow shaft 10, the one end that jib 2 was kept away from to universal joint axle 7 is connected with the roll 11 of rotatory rolling steel billet 8.
The suspender 2 is a screw rod with two ends for turning threads, the thickness of the nut 6 is at least five times of the pitch length, and the suspender 2 is made of 42CrMo material. The head of the universal joint shaft 7 close to the end part of the suspender 2 is a cavity, the bottom surface of the nut 6 is welded on the bottom surface in the cavity, and the welding verticality is 0.1. The nut 6 is made of 42 CrMo. Referring to fig. 1, a fixing seat is disposed between the bottom of the motor 1 and the upper surface of the frame.
The working principle of the invention is as follows: the edger roll transmission system of blooming is the device of control steel rolling in-process steel billet width, when rolling steel billet 8, 1 transmission pinion 9 of motor, transmission pinion 9 meshes gear wheel 4 is rotatory, gear wheel 4 and the hollow shaft 10 interference fit who takes the terminal surface tooth, it is rotatory to drive hollow shaft 10, hollow shaft 10 passes through terminal surface tooth and connecting bolt 5 with universal joint axle 7 and fixes, and then make the rotatory steel billet 8 that rolls of roll 11, under the effect of both sides roll 11, control steel billet 8's width, universal joint axle 7 passes through the head cavity in welding nut 6 and is connected with jib 2 after the transformation, fix on end cover 3, the effect of further strengthening has been played perpendicular transmission.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (1)
1. The utility model provides a rolling mill edger roll transmission, includes the frame, its characterized in that: the internal part of the rack is of a cavity structure, two motors (1) are symmetrically arranged on the upper part of the rack, a transmission speed reducer penetrating through the rack is arranged in the cavity structure of the rack corresponding to each motor (1), a hollow shaft (10) with end face teeth is arranged in the transmission speed reducer, the end face teeth of the hollow shaft (10) are connected with connecting bolts (5), an end cover (3) of the hollow shaft (10) is arranged at the end part of the transmission speed reducer positioned on the upper part of the rack, a gear wheel (4) is sleeved outside the hollow shaft (10), the gear wheel (4) is meshed with a pinion (9), the two motors (1) are respectively connected with the corresponding transmission speed reducers through the meshing transmission of the pinion (9) and the gear wheel (4), a suspender (2) penetrating through the two ends of the hollow shaft (10) is arranged inside the hollow shaft (10), and one, the other end of the universal joint shaft is connected with a universal joint shaft (7), a nut (6) is welded at one end, connected with the suspender (2), of the universal joint shaft (7), the universal joint shaft (7) is connected with the suspender (2) through the nut (6), one end, close to the suspender (2), of the universal joint shaft (7) is fixedly connected with the hollow shaft (10) through end face teeth and a connecting bolt (5), and one end, far away from the suspender (2), of the universal joint shaft (7) is connected with a roller (11) for rolling billets (8) in a rotating mode;
the hanger rod (2) is a screw rod with two ends for turning threads, the thickness of the nut (6) is at least five times of the pitch length, and the hanger rod (2) is made of 42CrMo material;
the head of the universal joint shaft (7) close to the end part of the suspender (2) is a cavity, and the bottom surface of the nut (6) is welded on the bottom surface in the cavity;
the nut (6) is made of 42CrMo material;
a fixed seat is arranged between the bottom of the motor (1) and the upper surface of the frame;
when rolling steel billet (8), motor (1) transmission pinion (9), pinion (9) meshing gear wheel (4) are rotatory, gear wheel (4) and hollow shaft (10) interference fit who takes the terminal surface tooth, it is rotatory to drive hollow shaft (10), hollow shaft (10) are fixed through terminal surface tooth and connecting bolt (5) with universal joint axle (7), make roll (11) rotatory roll steel billet (8), under the effect of both sides roll (11), the width of control steel billet (8), universal joint axle (7) are connected with jib (2) through welding nut (6) in the head cavity after the transformation, fix and strengthen perpendicular transmission on end cover (3).
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 |
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| Publication Number | Publication Date |
|---|---|
| CN109201744A CN109201744A (en) | 2019-01-15 |
| CN109201744B true CN109201744B (en) | 2021-03-23 |
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| 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 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (10)
| 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 |
| 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 |
| CN102310084B (en) * | 2011-08-26 | 2014-08-06 | 宁波中超机器有限公司 | Vertical roller mill |
| CN102310087B (en) * | 2011-08-26 | 2013-09-11 | 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 |
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2018
- 2018-09-28 CN CN201811139175.5A patent/CN109201744B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| CN109201744A (en) | 2019-01-15 |
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