CN209476924U - Eighteen-high mill thrust door gear and eighteen-high mill - Google Patents

Abstract

The utility model relates to a kind of eighteen-high mill thrust door gears, including thrust door, the rotary shaft for driving the thrust door rotation and the rotary drive mechanism with the rotation axis connection, the rotary shaft is pivotally mounted in rolling-mill housing by two groups of bearing assemblies, the bearing assembly includes the bearing block being fixed in the rolling-mill housing and the rolling bearing in the bearing block, is installed at least one of bearing block for adjusting the rotary shaft regulating mechanism coaxial with the bearing bore of the bearing block.A kind of eighteen-high mill is additionally related to, including rolling-mill housing and above-mentioned eighteen-high mill thrust door gear.Eighteen-high mill thrust door gear provided by the utility model, by the way that regulating mechanism is arranged, rotary shaft and the bearing bore of bearing block can be made coaxial always, realize that the accurate positionin to thrust door position controls, guarantee the functional reliability of thrust door, structure is simple, easy to operate, is able to extend the maintenance period of thrust door.

Description

Eighteen-high mill thrust door gear and eighteen-high mill

Technical field

The utility model belongs to technical field of steel rolling, and in particular to a kind of eighteen-high mill thrust door gear and configured with should The eighteen-high mill of eighteen-high mill thrust door gear.

Background technique

With the high speed development of China's industry, metal plate and belt is produced to high intensity, low thickness, high-precision, high speed, high yield Amount direction is developed.The features such as multi-roll mill is small, mill stiffness is big, small in size, light-weight with its working roll roller diameter is in recent years not Disconnected development and perfect, wherein eighteen-high mill is the important type for producing cold rolling continuous belt steel.

Thrust door gear is located at eighteen-high mill fore side, rotatable realization on-off action: during normal production, thrust door closes It closes, is that working roll carries out axially position together with transmission side thrust brake；When Maintenance and Repair, thrust door is opened, and facilitates roller system more It changes.But after a period of use, thrust door is the sagging far from rotation shaft end occur, can not normally closed or even shadow Working roll is rung normally to roll.

Utility model content

The utility model embodiment is related to a kind of eighteen-high mill thrust door gear and configured with the eighteen-high mill thrust The eighteen-high mill of door gear can at least solve the segmental defect of the prior art.

The utility model embodiment is related to a kind of eighteen-high mill thrust door gear, including thrust door, described for driving The rotary shaft that thrust door rotates and the rotary drive mechanism with the rotation axis connection, the rotary shaft pass through two groups of bearing groups Part is pivotally mounted in rolling-mill housing, the bearing assembly include the bearing block being fixed in the rolling-mill housing and be set to institute The rolling bearing in bearing block is stated, is installed at least one of bearing block for adjusting the rotary shaft and the bearing The coaxial regulating mechanism of the bearing bore of seat.

As one of embodiment, the regulating mechanism includes two adjustment seats, and two adjustment seats are both secured to corresponding On the bearing block and the rotary shaft two sides are respectively in, one is bolted in each adjustment seat and is abutted with the rotary shaft Adjusting screw rod.

As one of embodiment, bearing bore of the adjustment seat of two of regulating mechanism described in every group relative to the bearing block Axisymmetrical arrangement.

As one of embodiment, the thrust door is arranged between two bearing blocks, the regulating mechanism be one group and It is installed on the bearing block between the thrust door and the rotary drive mechanism.

As one of embodiment, which further includes spacer sleeve；Two adjustment seats install in One end close to the thrust door of the corresponding bearing block, the spacer sleeve are sheathed on outside the rotary shaft and are clamped in described Between thrust door and the adjustment seat.

As one of embodiment, the rotary drive mechanism has the output shaft with the concentric rotation axis, the output Axis is connect with the rotary shaft by shaft coupling.

The utility model embodiment is related to a kind of eighteen-high mill, including rolling-mill housing, further includes as described above 18 Roller mill thrust door gear.

As one of embodiment, the thrust door is installed on milling train fore side.

The utility model embodiment at least has the following beneficial effects:

Eighteen-high mill thrust door gear provided by the utility model can make rotary shaft by the way that regulating mechanism is arranged It is coaxial always with the bearing bore of bearing block, it realizes that the accurate positionin to thrust door position controls, guarantees the reliable operation of thrust door Property, structure is simple, easy to operate, is able to extend the maintenance period of thrust door.

The utility model embodiment further has the following beneficial effects:

It is adjusted using position of the adjusting screw rod to rotary shaft and thrust door, it is easy to operate, it can be to the position of rotary shaft Set and quickly adjusted and quick locking, guarantee the normal reliable work of thrust door, but can fast quick-detach unlock, can effectively mention The efficiency of high plant maintenance.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it can also be obtained according to these attached drawings other attached drawings.

Fig. 1 is the structural schematic diagram of eighteen-high mill provided by the embodiment of the utility model；

Fig. 2 be Fig. 1 in along the sectional view of A-A.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work All other embodiment obtained, fall within the protection scope of the utility model.

Embodiment one

Such as Fig. 2, the utility model embodiment provides a kind of eighteen-high mill thrust door gear, including thrust door 1, for driving The rotary shaft 2 that the thrust door 1 rotates and the rotary drive mechanism 51 connecting with the rotary shaft 2 are moved, the rotary shaft 2 is logical It crosses two groups of bearing assemblies to be pivotally mounted in rolling-mill housing 7, the bearing assembly includes being fixed in the rolling-mill housing 7 Bearing block 31 and the rolling bearing 32 in the bearing block 31, rotary shaft 2 are driven after passing through two rolling bearings 32 with rotation Motivation structure 51 connect, thrust door 1, rotary shaft 2, bearing block 31 and rolling bearing 32 with existing thrust door relevant device structure It is identical, it does not repeat herein.Conventional rotational driving device can be used in above-mentioned rotary drive mechanism 51, for example, by using motor+subtract The structure type of fast machine can also be used hydraulic cylinder/hydraulic motor+transmission mechanism structure type, not be described further herein specifically.It is excellent Selection of land, such as Fig. 2, the rotary drive mechanism 51 have the output shaft coaxial with the rotary shaft 2, the output shaft and the rotation Shaft 2 is connected by shaft coupling 52.

Under regular situation, coaxial (the i.e. axis of bearing bore of above-mentioned rotary shaft 2 and two rolling bearings 32 and bearing block 31 Collinearly), 1 length direction of thrust door is vertical with 2 axis of rotary shaft, namely axis/two bearing with two rolling bearings 32 The bearing cavity axis of seat 31 is vertical, and thrust door 1 with normal reliable can carry out axially position to working roll.Due to normally producing In, it may appear that the phenomenon that rolling bearing 32 is worn generates gap between rotary shaft 2 and rolling bearing 32, in thrust door 1 from recast It is likely to occur the deviation of the bearing cavity axis of 2 axis of rotary shaft and 32 axis of rolling bearing/bearing block 31 under, and then causes to stop It pushes and 1 works with being unable to normal reliable, and may cause rotary shaft 2 and above-mentioned output shaft out-of-alignment situation, influence to rotate The working life of driving mechanism 51.Based on this, in the present embodiment, such as Fig. 2, installed at least one of bearing block 31 useful In the adjusting rotary shaft 2 regulating mechanism coaxial with the bearing bore of the bearing block 31.

Eighteen-high mill thrust door gear provided in this embodiment, by be arranged regulating mechanism, can make rotary shaft 2 with The bearing bore of bearing block 31 is coaxial always, realizes that the accurate positionin to 1 position of thrust door controls, guarantees that the work of thrust door 1 can By property, structure is simple, easy to operate, is able to extend the maintenance period of thrust door 1.

The mode for increasing cushion block can be used in above-mentioned regulating mechanism, and it is (hydraulic that the progress pushing tow adjusting such as hydraulic cylinder can also be used Cylinder telescopic shaft is axial parallel with 1 length direction of thrust door).In the present embodiment, it is preferable that such as Fig. 2, the regulating mechanism includes two A adjustment seat 41, two adjustment seats 41 are both secured on the corresponding bearing block 31 and are respectively in 2 liang of the rotary shaft Side is bolted with the adjusting screw rod 42 abutted with the rotary shaft 2 in each adjustment seat 41.Using adjusting screw rod 42, It is easy to operate, can the position to rotary shaft 2 quickly adjusted and quick locking, guarantee the normal reliable work of thrust door 1, It quick-detach can unlock fastly again, the efficiency of plant maintenance can be effectively improved.

When needing Maintenance and Repair, two above-mentioned adjusting screw rods 42 are unscrewed, thrust door 1 can be driven by rotary shaft 2 Unscrew facilitates the replacement of roll gap.In a further embodiment, the end of settable two adjusting screw rod 42 is spirally connected arc respectively The curvature of shape top plate, the curved roof is identical as the curvature of rotary shaft 2, can be bonded with rotary shaft 2, passes through two curved roof tops Rotary shaft 2 is held, the rotation of rotary shaft 2 can be realized in the case where not unscrewing adjusting screw rod 42, avoids the need for re-adjustments Coaxial relation between rotary shaft 2 and bearing block 31；It can be lubricated between curved roof and rotary shaft 2, to improve arc The service life of top plate.

It is easy-to-understand to, the axial direction of above-mentioned adjusting screw rod 42 is parallel with the length direction of thrust door 1, convenient for rotary shaft 2 The accurate adjusting of 1 position of position and thrust door.Preferably, two of regulating mechanism described in the every group adjustment seats 41 are relative to described The axisymmetrical of the bearing bore of bearing block 31 is arranged, guarantees the locking effect to rotary shaft 2.

In the present embodiment, above-mentioned regulatory function can be realized only with one group of regulating mechanism, which may be provided at On any bearing block 31.Preferably, such as Fig. 2, the thrust door 1 is arranged between two bearing blocks 31, to thrust door 1 Drive more stable reliable, above-mentioned regulating mechanism is installed on the bearing between the thrust door 1 and the rotary drive mechanism 51 On seat 31, the position of position and thrust door 1 to rotary shaft 2 adjusts more accurate.For convenient for arrangement, the regulating mechanism/two are adjusted Section seat 41 is arranged in one end of the close thrust door 1 of corresponding shaft bearing seat 31.

It is further preferred that the eighteen-high mill thrust door gear further includes spacer sleeve 6,6 sets of the spacer sleeve such as Fig. 2 It outside the rotary shaft 2 and is clamped between the thrust door 1 and the adjustment seat 41, which can be convenient for rotating Thrust door 1 is accurately positioned on axis 2 is axial.Wherein, the spacer sleeve 6, which is preferably arranged, to be fixed in two adjustment seats 41 , the other end is abutted with thrust door 1.

Embodiment two

Such as Fig. 1, the utility model embodiment is related to a kind of eighteen-high mill, including rolling-mill housing 7 and above-described embodiment The specific structure of eighteen-high mill thrust door gear provided by one, the eighteen-high mill thrust door gear does not repeat herein； Other specific structures of the eighteen-high mill are this field routine techniques, such as included arrangement of roller system, working roll and thrust Matching relationship etc. between door 1, is not described in detail one by one herein.Preferably, above-mentioned thrust door 1 is installed on milling train fore side, is convenient for Operation and maintenance.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims (8)

1. a kind of eighteen-high mill thrust door gear, rotary shaft including thrust door, for driving the thrust door rotation and With the rotary drive mechanism of the rotation axis connection, the rotary shaft is pivotally mounted to rolling-mill housing by two groups of bearing assemblies On, the bearing assembly includes the bearing block being fixed in the rolling-mill housing and the rolling bearing in the bearing block, It is characterized by: being installed on the bearing bore for adjusting the rotary shaft Yu the bearing block at least one of bearing block Coaxial regulating mechanism.

2. eighteen-high mill thrust door gear as described in claim 1, it is characterised in that: the regulating mechanism includes two tune Seat is saved, two adjustment seats are both secured on the corresponding bearing block and are respectively in the rotary shaft two sides, each tune The adjusting screw rod abutted with the rotary shaft is bolted on section seat.

3. eighteen-high mill thrust door gear as claimed in claim 2, it is characterised in that: two institutes of regulating mechanism described in every group The axisymmetrical that adjustment seat is stated relative to the bearing bore of the bearing block is arranged.

4. eighteen-high mill thrust door gear as claimed in claim 2, it is characterised in that: the thrust door is arranged in described in two Between bearing block, the regulating mechanism is one group and the axis that is installed between the thrust door and the rotary drive mechanism It holds on seat.

5. eighteen-high mill thrust door gear as claimed in claim 4, it is characterised in that: further include spacer sleeve；Two tune Section seat installs one end in the correspondence bearing block close to the thrust door, the spacer sleeve be sheathed on the rotary shaft it is outer and It is clamped between the thrust door and the adjustment seat.

6. eighteen-high mill thrust door gear as described in claim 1, it is characterised in that: the rotary drive mechanism have with The output shaft of the concentric rotation axis, the output shaft are connect with the rotary shaft by shaft coupling.

7. a kind of eighteen-high mill, including rolling-mill housing, it is characterised in that: further include as described in any one of claims 1 to 6 Eighteen-high mill thrust door gear.

8. eighteen-high mill as claimed in claim 7, it is characterised in that: the thrust door is installed on milling train fore side.