CN201120400Y - Roll changer for rolling mill - Google Patents
Roll changer for rolling mill Download PDFInfo
- Publication number
- CN201120400Y CN201120400Y CNU2007200436196U CN200720043619U CN201120400Y CN 201120400 Y CN201120400 Y CN 201120400Y CN U2007200436196 U CNU2007200436196 U CN U2007200436196U CN 200720043619 U CN200720043619 U CN 200720043619U CN 201120400 Y CN201120400 Y CN 201120400Y
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- CN
- China
- Prior art keywords
- support arms
- mounting plate
- upper mounting
- hinged
- lower support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a rolling mill changing rig, in particular to a fully hydraulic self-governing changing dolly used to replace the roller when repairing a rolling mill. The rolling mill changing rig comprises an upper platform and a lower platform; support frames are arranged between both ends of the two platforms; the two support frames are fixed with the lower platform, and the upper platform is disposed on the two support frames. Two scissors support mechanisms, composed of two upper support arms, two lower support arms, a hydraulic cylinder coupling, a cross shaft and a dowel, are arranged between the upper platform and the lower platform. A hydraulic motor and a withdrawal roll dolly, between which a transmission mechanism is arranged, are arranged on the upper platform, and the withdrawal roll dolly is provided with a hook for the withdrawal roll. Replacing the roller through the rolling mill changing rig is time-saving, labor-saving, safe and reliable.
Description
Technical field
The utility model relates to a kind of milling train corollary equipment.Be used for changing the all-hydraulic automatic adjusting lifting roll change buggy of roll when specifically, being the milling train maintenance.
Background technology
Know all that at the milling train production industry after roll used a period of time, its surface smoothness can reduce, thereby influences the surface smoothness of band, make the strip quality that rolls out descend.Therefore, roll need regularly replace.Traditional roll-changing method cooperatively interacts with artificial, driving and roll to be changed is carried out push-and-pull realizes.This roll-changing method, not only time-consuming, effort, changing a roll often needs several hrs, and very dangerous.
The utility model content
Problem to be solved in the utility model provides a kind of mill roll device.Adopt this mill roll device to change roll, save time, laborsaving, safe and reliable.
For addressing the above problem, take following technical scheme:
Mill roll device characteristic of the present utility model is to contain upper mounting plate and lower platform, and this upper mounting plate and lower platform are rectangle and equal and opposite in direction.Bracing frame is all arranged between two of upper and lower platform, and this two bracing frame is connected mutually with lower platform, and upper mounting plate is free shape and is shelved on this two bracing frame under off working state.Two upper support arms, two lower support arms and a hydraulic cylinder are arranged between upper mounting plate and lower platform, the same end upper surface both sides of one end lower surface both sides of upper mounting plate and lower platform have last key seat and following key seat respectively, one end of two upper support arms is hinged on two respectively and goes up on the key seat, and an end of two lower support arms is hinged on respectively on two following key seats.Hinged in the middle of upper support arm of the same side and the lower support arm, thus two scissors forks formed; All there is the projection of going up the centre of two lower support arms, and axis hole is all arranged on the last projection, has transverse axis, the two ends of transverse axis to be installed in the axis hole of projection on two support arms in the middle of the two lower support arms.Between the non-hinged end of two lower support arms connecting shaft is arranged, on the said connecting shaft He on the transverse axis connecting plate is arranged all, an end of two connecting plates is hinged on respectively on connecting shaft and the transverse axis, and their other end is hinged on the two ends of hydraulic cylinder respectively.Hydraulic motor and withdrawing roll dolly are arranged on the upper mounting plate, and hydraulic motor is fixed on of upper mounting plate; Between the wheel shaft of withdrawing roll dolly and hydraulic motor output shaft transmission mechanism is arranged, the withdrawing roll hook is arranged on the withdrawing roll dolly.
Take such scheme, have the following advantages:
Because the utility model mill roll device comprises upper mounting plate and lower platform, bracing frame is all arranged between two of upper and lower platform, two upper support arms, two lower support arms and a hydraulic cylinder are arranged between upper mounting plate and lower platform, the same end upper surface both sides of one end lower surface both sides of upper mounting plate and lower platform have last key seat and following key seat respectively, one end of two upper support arms is hinged on two respectively and goes up on the key seat, and an end of two lower support arms is hinged on respectively on two following key seats.Hinged in the middle of upper support arm of the same side and the lower support arm, thus two scissors forks formed.All there is the projection of going up the centre of two lower support arms, and axis hole is all arranged on the last projection, has transverse axis, the two ends of transverse axis to be installed in the axis hole of projection on two support arms in the middle of the two lower support arms.Between the non-hinged end of two lower support arms connecting shaft is arranged, on the said connecting shaft He on the transverse axis connecting plate is arranged all, an end of two connecting plates is hinged on respectively on connecting rod and the cross bar, and their other end is hinged on the two ends of hydraulic cylinder respectively.Hydraulic motor and withdrawing roll dolly are arranged on the upper mounting plate, and hydraulic motor is fixed on of upper mounting plate.Between the wheel shaft of withdrawing roll dolly and hydraulic motor output shaft transmission mechanism is arranged, the withdrawing roll hook is arranged on the withdrawing roll dolly.During roll change, utilize hydraulic cylinder to open earlier, upper mounting plate is risen on the height of roll to be changed by two scissors forks that two upper support arms and two lower support arms are formed.Utilize hydraulic motor and transmission mechanism to make the withdrawing roll dolly again, and make withdrawing roll hook on the withdrawing roll dolly catch on of roll to be changed near of roll to be changed.The primer fluid pressure motor is pulled out roll to be changed from milling train then.At last, utilize driving that roll is winched to maintenance position, can keep in repair.Do not need manually, just carve and realize roll change, not only save time, laborsaving, and as safe as a house.
Description of drawings
Accompanying drawing is a mill roll apparatus structure schematic diagram of the present utility model.
The specific embodiment
As shown in drawings, mill roll device of the present utility model contains upper mounting plate 7 and lower platform 14, and this upper mounting plate and lower platform are rectangle and equal and opposite in direction.The bottom that is provided with bracing frame 16, two bracing frames 16 between two of upper mounting plate 7 and lower platform 14 is fixed on the lower platform 14, and upper mounting plate 7 is free shape and is shelved on this two bracing frame.Be provided with two upper support arms 8, two lower support arms 11 and hydraulic cylinders 4 between upper mounting plate 7 and the lower platform 14, the same end upper surface both sides of one end lower surface both sides of upper mounting plate 7 and lower platform 14 are fixed with key seat 9 and following key seat 10 respectively, one end of two upper support arms 8 is hinged on two by pin 12 respectively and goes up on the key seat 9, and an end of two lower support arms 11 is hinged on two following key seats 10 by pin 12 respectively.Also hinged in the middle of that upper support arm 8 of the same side and the lower support arm 11 by pin 12, thus two scissors forks formed.The centre of two lower support arms 11 all is processed with projection 13, all is processed with axis hole on the last projection 13, is provided with transverse axis 6 in the middle of the two lower support arms 11, and the two ends of transverse axis 6 are installed in last protruding 13 axis holes of two lower support arms 11.Be provided with connecting shaft 15 between the non-hinged end of two lower support arms 11, on the said connecting shaft 15 and an end that is provided with connecting plate 5, two connecting plates 5 on the transverse axis 6 be hinged on respectively on connecting shaft 15 and the transverse axis 6, their other end is hinged on the two ends of hydraulic cylinder 4 respectively with pin 12.Hydraulic motor 1 and withdrawing roll dolly 3 are arranged on the upper mounting plate 7, and hydraulic motor 1 is fixed on of upper mounting plate 7.Between the wheel shaft of withdrawing roll dolly 3 and hydraulic motor 1 output shaft transmission mechanism is arranged, withdrawing roll hook 2 is arranged on the withdrawing roll dolly 3.
Said transmission mechanism comprises the sprocket wheel that is installed on hydraulic motor 1 output shaft and is installed in sprocket wheel on the withdrawing roll dolly 3, is with driving-chain between two sprocket wheels.
Under user mode, mill roll device of the present utility model is in of milling train.
When the milling train maintenance needs to change roll, earlier the connector between roll to be changed and milling train is taken apart, and made withdrawing roll hook 2 catch on one on roll to be changed, by hydraulic motor 1 and transmission mechanism roll to be changed is pulled on upper mounting plate 7 again.Then, make the piston rod of hydraulic cylinder 4 overhanging by hydraulic system, to desired height, promptly available rows is hung roll is winched to maintenance position with upper mounting plate 7 jack-up.
Claims (2)
1. the mill roll device is characterized in that comprising upper mounting plate (7) and lower platform (14), and this upper mounting plate and lower platform are rectangle and equal and opposite in direction; Bracing frame (16) is all arranged between two of upper mounting plate (7) and lower platform (14), and this two bracing frame is connected mutually with lower platform (14), and upper mounting plate (7) is free shape and is shelved on this two bracing frame (16); Two upper support arms (8), two lower support arms (11) and a hydraulic cylinder (4) are arranged between upper mounting plate (7) and lower platform (14), the same end upper surface both sides of one end lower surface both sides of upper mounting plate (7) and lower platform (14) have last key seat (9) and following key seat (10) respectively, one end of two upper support arms (8) is hinged on two respectively and goes up on the key seat (9), and an end of two lower support arms (11) is hinged on respectively on two following key seats (10); Hinged in the middle of upper support arm (8) of the same side and the lower support arm (11), thus two scissors forks formed; All there is the projection of going up (13) centre of two lower support arms (11), on the last projection (13) axis hole is arranged all, has transverse axis (6), the two ends of transverse axis (6) to be installed in two lower support arms (11) in the middle of the two lower support arms (11) and goes up in the axis hole of projection (13); Connecting shaft (15) is arranged between the non-hinged end of two lower support arms (11), said connecting shaft (15) upward and on the transverse axis (6) all has connecting plate (5), one end of two connecting plates (5) is hinged on respectively on connecting shaft (15) and the transverse axis (6), and their other end is hinged on the two ends of hydraulic cylinder (4) respectively; Hydraulic motor (1) and withdrawing roll dolly (3) are arranged on the upper mounting plate (7), and hydraulic motor (1) is fixed on of upper mounting plate (7); Between the wheel shaft of withdrawing roll dolly (3) and hydraulic motor (1) output shaft transmission mechanism is arranged, withdrawing roll hook (2) is arranged on the withdrawing roll dolly (3).
2. mill roll device according to claim 1 is characterized in that said transmission mechanism comprises sprocket wheel that is installed on hydraulic motor (1) output shaft and the sprocket wheel that is installed on the dolly between two sprocket wheels driving-chain being arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200436196U CN201120400Y (en) | 2007-10-31 | 2007-10-31 | Roll changer for rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200436196U CN201120400Y (en) | 2007-10-31 | 2007-10-31 | Roll changer for rolling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201120400Y true CN201120400Y (en) | 2008-09-24 |
Family
ID=40007619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200436196U Expired - Lifetime CN201120400Y (en) | 2007-10-31 | 2007-10-31 | Roll changer for rolling mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201120400Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100500315C (en) * | 2007-10-31 | 2009-06-17 | 朱惠兴 | Roller changing small car for rolling mill |
| CN103084409A (en) * | 2012-12-17 | 2013-05-08 | 河北省首钢迁安钢铁有限责任公司 | Pressure width fixing machine pinch roll change system |
| CN103949477A (en) * | 2014-04-25 | 2014-07-30 | 无锡市桥联冶金机械有限公司 | Roll replacement device for rolling mill |
| CN104826870A (en) * | 2014-02-11 | 2015-08-12 | Sms米尔股份有限公司 | Tool changeover system and method as well as roll |
-
2007
- 2007-10-31 CN CNU2007200436196U patent/CN201120400Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100500315C (en) * | 2007-10-31 | 2009-06-17 | 朱惠兴 | Roller changing small car for rolling mill |
| CN103084409A (en) * | 2012-12-17 | 2013-05-08 | 河北省首钢迁安钢铁有限责任公司 | Pressure width fixing machine pinch roll change system |
| CN103084409B (en) * | 2012-12-17 | 2015-08-05 | 北京首钢股份有限公司 | Pressure constant width machine pinch roll changes system |
| CN104826870A (en) * | 2014-02-11 | 2015-08-12 | Sms米尔股份有限公司 | Tool changeover system and method as well as roll |
| US9975159B2 (en) | 2014-02-11 | 2018-05-22 | Sms Group Gmbh | Tool changeover system and method as well as roll |
| US10821490B2 (en) | 2014-02-11 | 2020-11-03 | Sms Group Gmbh | Tool changeover system and method |
| CN103949477A (en) * | 2014-04-25 | 2014-07-30 | 无锡市桥联冶金机械有限公司 | Roll replacement device for rolling mill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20071031 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |