CN201921891U - Novel arranged rolling mill main transmission system - Google Patents
Novel arranged rolling mill main transmission system Download PDFInfo
- Publication number
- CN201921891U CN201921891U CN2010205062336U CN201020506233U CN201921891U CN 201921891 U CN201921891 U CN 201921891U CN 2010205062336 U CN2010205062336 U CN 2010205062336U CN 201020506233 U CN201020506233 U CN 201020506233U CN 201921891 U CN201921891 U CN 201921891U
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- cross universal
- main
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- gear box
- connects
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Abstract
The utility model discloses a novel arranged rolling mill main transmission system, comprising a main motor, a drum-type gear coupling, a main gear box, an upper output shaft and a lower output shaft of the main gear box, a hydraulic spindle carrier device, an upper cross universal spindle and a lower cross universal spindle, and an upper work roll and a lower work roll, wherein the main motor is connected with the main gear box through the drum-type gear coupling, the upper output shaft and the lower output shaft of the main gear box are respectively connected with the upper cross universal spindle and lower cross universal spindle which are in staggered arrangement, the other ends of the upper cross universal spindle and the lower cross universal spindle are respectively connected with an end part of each of the upper work roll and the lower work roll; the hydraulic spindle carrier device is fixed on the foundation after passing through the upper cross universal spindle and lower cross universal spindle and composed of a carrier, two pairs of upper and lower hydraulic cylinders, and upper and lower brackets; and the work is in full-hydraulic control. The upper spindle and the lower spindle cannot interfere with each other, the spindle delivery work torque and the impact torque produced when the spindle bears the rolling can be guaranteed; the automatic hydraulic operation of the carrier device can be realized, so that the problems of increased roll-changing time, influenced production and the potential safety hazard to the operator caused by manual operation can be solved.
Description
Technical field
The utility model patent relates to a kind of main transmission that is applicable to metallurgy rolling equipment, particularly relating to a kind of up and down cross universal connects axle and is the form of being staggeredly arranged, the bracket system that abutment shaft supports is the transmission system of all-hydraulic control, belongs to the main transmission technical field of metallurgy rolling equipment.
Background technology
When adopting a main motor, mill main drive system is input to main-gear box, two axles of main-gear box output are respectively when cross universal up and down connects axle and connects, usually these two cross universals connect axle and are designed to less than work roll diameter for symmetric arrangement structure and its roll side universal joint tactical diameter and are guaranteeing that up and down two connect under the hands-off situation of axle and make its equivalent tactical diameter maximum, connect axle and can transmit than the requirement of torque greatly to satisfy.
This kind structure is directly compared with the main transmission that connects the axle connection respectively with two main motors: because the centre-to-centre spacing up and down of two main motors is big, and for satisfying the instructions for use that connects connect a pivot angle≤4 °, the length that connects axle is long, weight big and must install and connect the spindle balance device and come balance to connect the stability that axoplasm amount and increase connect axle work, reduce connect the axle deadweight and the centrifugal force of generation when rotating to the influence of milling train work; And a motor is when connecting with main-gear box, two output shaft spacings of main-gear box are little, connect like this that a pivot angle is little, length short, in light weight and to connect distance between axles up and down also little, connect the spindle balance device thereby needn't install, influence is less when connecing axoplasm amount and length milling train being worked, connect the shaft tray device in the time of only need roll change being set, the flat-sided headgear tube of roll produces the nose phenomenon when avoiding changing working roll influences pushing of new working roll.
Argumentation based on above two aspects: can find to require when big when the little and roll torque of work roll diameter, the cross universal of symmetric arrangement structure connects axle because the restriction of tactical diameter will not reach the requirement that needs transmitting torque, the rolling condition the when intensity that connects axle can not satisfy milling train work; And owing to connect the shaft tray device is artificial manual operation, not only time-consuming increase roll changing time, and also effort threatens for operating personnel's safety.
Summary of the invention
Main purpose of the present utility model is to solve: when the little and roll torque of work roll diameter requires when big, the cross universal of symmetric arrangement structure connects axle because the restriction of tactical diameter will not reach the requirement that needs transmitting torque, the rolling condition the when intensity that connects axle can not satisfy milling train work; Connecing the shaft tray device is artificial manual operation, the problem that not only time-consuming increase roll changing time but also effort threaten for operating personnel's safety.
Technical solution of the present utility model is achieved in that
A kind of mill main drive system of new arrangement, comprise that output shaft, hydraulic pressure connect the shaft tray device under output shaft, the main-gear box on main motor, drum-shaped tooth type shaft coupling, main-gear box, the main-gear box, cross universal connects axle down, upward cross universal connects axle, bottom working roll, top working roll, it is characterized in that described main motor connects by drum-shaped tooth type shaft coupling and main-gear box; Output shaft and last cross universal connect axle and are connected on the main-gear box, and output shaft and the same cross universal connect a following cross universal that is staggeredly arranged and connect and spool be connected under the main-gear box; The homalocephalus sleeve that last cross universal connects the other end of axle links to each other with the homalocephalus of top working roll end, and the homalocephalus sleeve that following cross universal connects the other end of axle links to each other with the homalocephalus of bottom working roll end; Its feature is that also described hydraulic pressure connects shaft tray device suit and passes up and down that cross universal connects axle, is fixed on the ground; By carriage, down hydraulic cylinder I, down bracket, go up hydraulic cylinder I, upper bracket, go up hydraulic cylinder II, hydraulic cylinder II forms down; Following hydraulic cylinder II, down hydraulic cylinder I is separately fixed on the carriage, its piston rod respectively be connected about following bracket, and can drive down bracket and move up and down along track bracket; Last hydraulic cylinder II, go up hydraulic cylinder I and be separately fixed on the carriage, its piston rod is connected respectively with about upper bracket, and can drive upper bracket and move up and down along track bracket.The work that described hydraulic pressure connects the shaft tray device is all-hydraulic control.
The utlity model has following advantage:
1, adopts the structure that is staggeredly arranged, strengthen and connect a tactical diameter, make bottom spindle not produce interference, can guarantee to connect the impact torque that axle transmits operation torque and bears generation when rolling.
2, designed the all-hydraulic shaft tray device that connects, realized that the hydraulic pressure of bracket system is operated automatically, shortened roll changing time to greatest extent and save time, laborsaving, safe and reliable.
Description of drawings
The utility model has accompanying drawing 4 width of cloth.
Fig. 1 is a main transmission structural representation front view of the present utility model;
Fig. 2 is a main transmission structural representation vertical view of the present utility model;
Fig. 3 is the shaft tray apparatus structure schematic diagram that connects of the present utility model;
Fig. 4 is that the shaft tray apparatus structure axle that connects of the present utility model is surveyed view;
Fig. 1 is a specification digest accompanying drawing of the present utility model.
Among the figure: 1, main motor, 2, drum-shaped tooth type shaft coupling, 3, main-gear box, 4, output shaft on the main-gear box, 5, output shaft under the main-gear box, 6, connect the shaft tray device, 7, down cross universal connects axle, and 8, go up cross universal and connect axle, 9, bottom working roll, 10, top working roll, 11, carriage, 12, down hydraulic cylinder I, 13, bracket down, 14, go up hydraulic cylinder I, 15, upper bracket, 16, go up hydraulic cylinder II, 17, hydraulic cylinder II down.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, when milling train is rolled work, main motor 1 sends power to main-gear box 3 by drum-shaped tooth type shaft coupling 2, output shaft 4 connections are gone up cross universal and are connect axle 8 on the main-gear box, the same cross universal of output shaft 5 connections connects axle 8 following cross universals that are staggeredly arranged and connects axle 7 under the main-gear box, the homalocephalus sleeve that last cross universal connects the other end of axle 8 links to each other with the homalocephalus of top working roll 10 ends, the homalocephalus sleeve that following cross universal connects the other end of axle 7 links to each other with the homalocephalus of bottom working roll 9 ends, so just realized that the power of main motor 1 is connect axle 8 by last cross universal respectively passes to top working roll 10, connect axle 7 by cross universal down and pass to bottom working roll 9; And the cross universal that is staggeredly arranged connects the impact torque that produces when axle also bears bigger working roll work when transmitting big torque, has guaranteed the continuity of rolling work.Hydraulic pressure connect shaft tray device 6 and did not work this moment, and promptly hydraulic cylinder 14,16 and 12,17 is the limit inferior position up and down, and bracket 15 and 13 connects spools 8 with the cross universal up and down that is staggeredly arranged and do not contact with 7 up and down.
When changing the operation of working roll, at first upper working rolls and lower working rolls is parked in the position of roll change respectively, the last hydraulic cylinder I 14 and the last hydraulic cylinder II 16 that connect in the shaft tray device 6 of hydraulic pressure rises synchronously then, driving upper bracket 15 moves, hold cross universal up to upper bracket 15 and connect axle 8 o'clock, hydraulic cylinder stops; Meanwhile, following hydraulic cylinder I 12 and following hydraulic cylinder II 17 rise synchronously, and bracket 13 moves under driving, and cross universal connects axle 7 o'clock about bracket 13 is held down, and hydraulic cylinder stops; Finish hydraulic pressure and connect the picking-up location of shaft tray device 6 abutment shafts.
At this moment just working roll can be extracted out, be held the location owing to connect axle when pushing new working roll, not have change in location,, finish roll change work so new working roll can push smoothly.Roll changing time is general so only needed promptly finish in 15～20 minutes, the manually-operated during with manual operation and need overhead traveling crane just can finish roll change in auxiliary 2～3 hours to compare, saved roll changing time widely.
The main transmission that the cross universal of this structure that is staggeredly arranged connects axle and hydraulic bracket device composition uses more than a year in 1350 strip milling trains, the increase that has reached expection connects a transmitting torque and requires and hydraulic pressure automatic carriage roll change work, has obtained user's very big favorable comment and approval.
Claims (2)
1. the mill main drive system of a new arrangement, comprise that output shaft (5), hydraulic pressure connect shaft tray device (6) under output shaft (4), the main-gear box on main motor (1), drum-shaped tooth type shaft coupling (2), main-gear box (3), the main-gear box, cross universal connects axle (7) down, upward cross universal connects axle (8), a bottom working roll (9), top working roll (10), it is characterized in that described main motor (1) connects with main-gear box (3) by drum-shaped tooth type shaft coupling (2); Output shaft on the main-gear box (4) and last cross universal connect axle (8) and are connected, and output shaft under the main-gear box (5) and the same cross universal connect a following cross universal that spool (8) be staggeredly arranged and connect spool (7) and be connected; The homalocephalus sleeve that last cross universal connects the other end of axle (8) links to each other with the homalocephalus of top working roll (10) end, and the homalocephalus sleeve that following cross universal connects the other end of axle (7) links to each other with the homalocephalus of bottom working roll (9) end; Its feature is that also described hydraulic pressure connects shaft tray device (6) suit and passes up and down that cross universal connects axle (8) and (7), is fixed on the ground; By carriage (11), down hydraulic cylinder I (12), down bracket (13), go up hydraulic cylinder I (14), upper bracket (15), go up hydraulic cylinder II (16), hydraulic cylinder II (17) is formed down; Following hydraulic cylinder II (17), down hydraulic cylinder I (12) is separately fixed on the carriage (11), its piston rod respectively be connected about following bracket (13), and can drive down bracket (13) and move up and down along carriage (11) track; Last hydraulic cylinder II (16), go up hydraulic cylinder I (14) and be separately fixed on the carriage (11), its piston rod is connected respectively with about upper bracket (15), and can drive upper bracket (15) and move up and down along carriage (11) track.
2. the mill main drive system of a kind of new arrangement according to claim 1 is characterized in that the work that described hydraulic pressure connects shaft tray device (6) is all-hydraulic control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205062336U CN201921891U (en) | 2010-08-25 | 2010-08-25 | Novel arranged rolling mill main transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205062336U CN201921891U (en) | 2010-08-25 | 2010-08-25 | Novel arranged rolling mill main transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201921891U true CN201921891U (en) | 2011-08-10 |
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ID=44425761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205062336U Expired - Fee Related CN201921891U (en) | 2010-08-25 | 2010-08-25 | Novel arranged rolling mill main transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201921891U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104959384A (en) * | 2015-05-08 | 2015-10-07 | 无锡华工薄板有限公司 | Working roll changing auxiliary device of four-high reversing rolling mill used for steel belt |
| CN105465200A (en) * | 2014-08-08 | 2016-04-06 | 上海电气风电设备有限公司 | Connecting structure for main shaft and gearbox of horizontal-axis wind turbine unit |
| CN109647885A (en) * | 2018-12-26 | 2019-04-19 | 中冶南方工程技术有限公司 | A kind of small roller diameter cold-rolling mill suitable for working roll transmission |
| CN112296099A (en) * | 2020-10-12 | 2021-02-02 | 广东恒华重工有限公司 | Detection platform for short stress rolling mill |
-
2010
- 2010-08-25 CN CN2010205062336U patent/CN201921891U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105465200A (en) * | 2014-08-08 | 2016-04-06 | 上海电气风电设备有限公司 | Connecting structure for main shaft and gearbox of horizontal-axis wind turbine unit |
| CN104959384A (en) * | 2015-05-08 | 2015-10-07 | 无锡华工薄板有限公司 | Working roll changing auxiliary device of four-high reversing rolling mill used for steel belt |
| CN109647885A (en) * | 2018-12-26 | 2019-04-19 | 中冶南方工程技术有限公司 | A kind of small roller diameter cold-rolling mill suitable for working roll transmission |
| CN112296099A (en) * | 2020-10-12 | 2021-02-02 | 广东恒华重工有限公司 | Detection platform for short stress rolling mill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20150825 |
|
| EXPY | Termination of patent right or utility model |