CN205571372U - Conticaster drive roller that multistage breaks off completely - Google Patents
Conticaster drive roller that multistage breaks off completely Download PDFInfo
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- CN205571372U CN205571372U CN201620371865.3U CN201620371865U CN205571372U CN 205571372 U CN205571372 U CN 205571372U CN 201620371865 U CN201620371865 U CN 201620371865U CN 205571372 U CN205571372 U CN 205571372U
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- roll body
- toe joint
- key
- keyway
- driving roller
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Abstract
The utility model relates to a metallurgical casting machine field, concretely relates to conticaster drive roller that multistage breaks off completely. It includes the roll body that the multistage breaks off totally, and adjacent section roll body passes through the key and the tooth coupling is connected, and the tooth coupling comprises toe joint hand and tooth cover: in two sections adjacent roll bodies, the right -hand member face of one of them section roll body passes through a key -type connection toe joint hand, and the left end face of another roll body passes through another toe joint hand of key -type connection, and a toe joint hand sets up and mesh jointly same tooth cover with another toe joint palmistry neighbour, be equipped with first keyway and second mounting hole on the terminal surface of each section roll body, be equipped with the key in the first keyway, the second mounting hole passes through the fastener and connects the toe joint hand, is equipped with the second keyway in the toe joint hand, and the key cooperates in the second keyway. The utility model discloses a roll body that the conticaster drive roller adopted the multistage to break off is completely realized the synchro -driven of multistage roll body improving life, and the roll body assembly is simple, and easily the assemble duration has been saved in the operation, has improved production efficiency.
Description
Technical field
This utility model relates to metallurgical continuous casting apparatus field, is specifically related to the continuous casting that a kind of multistage is fully disconnected
Machine drives roller.
Background technology
For slab caster, the function of roller is driven mainly to pinch slab and dummy bar chain, in order to effectively
The moment of torsion of transmission motor, drives roller to be typically designed as mandrel type, several sections of roller shell keys and a mandrel and connects,
Bearing is arranged on fulcrum, not only adds roller rigidity but also decrease number of bearings, but this statically indeterminate
Force-bearing situation when version makes driving roller work is the most severe.As a example by 3 drive part by part rollers, four
The load skewness of bearing, the load that middle two bearings are born accounts for the 70% of total load, each axle
Bear the 35% of total load.
And, drive the linearity of roller core shaft to adjust most important to the service life of roller, if driving roller
There is error in four groups of shim pack Adjustment precision of bottom, arise that one of which or several groups of shim pack assemblings
After still have " empty pad " phenomenon in gap, when driving roller work, mandrel there will be under slab bulge power effect
Flexural deformation, can produce extra stress, work the most under such conditions during rotary work, mandrel meeting
Producing permanent flexural deformation, cause roller shell and transmission flat key to dismantle, time serious, there is crackle in mandrel
Even fracture is scrapped, and service life is greatly reduced.After driving roller to be assembled on framework, need to expend greatly
The time adjusting shims thickness of amount, to ensure the linearity of mandrel.And after mandrel deforms, can increase again
Add take-down time and rehabilitation cost, bring inconvenience to maintenance.
Utility model content
The defect existed for prior art, it is the most disconnected that the purpose of this utility model is to propose a kind of multistage
The continuous caster driving roller opened, is fully disconnected whole driving roller, do not have mandrel and axle sleeve point, disconnection
Multistage roll body, by key and gear coupling transmission moment of torsion, solves existing mandrel type and drives roller force-bearing situation
Uneven, the yielding problem of mandrel.
For realizing above-mentioned technical purpose, this utility model adopts the following technical scheme that and is achieved.
The continuous caster driving roller that a kind of multistage is fully disconnected, it includes the roll body that multistage is fully disconnected, adjacent
Section roll body is connected by key and gear coupling, and described gear coupling is made up of toe joint hands and tooth set: phase
In two sections of adjacent roll bodies, wherein a bonded toe joint hands is passed through in the right side of one section of roll body, another roll body
Left side pass through another toe joint hands bonded, a described toe joint hands be disposed adjacent with another toe joint hands described and
The same tooth set of common engagement；The end face of each section of roll body is provided with the first keyway and the second installing hole, described
It is equipped with key in first keyway；Described second installing hole connects described toe joint hands, described tooth by securing member
Being provided with the second keyway in catcher, described key is matched with the second keyway.
Preferably, the end face of each section of roll body is provided with the first keyway and the second installing hole, described first key
Key it is equipped with in groove；Described second installing hole connects described toe joint hands by securing member, in described toe joint hands
Being provided with the second keyway, key is matched with the second keyway.
Preferably, the second installing hole is multiple, and multiple second installing holes are evenly distributed on a diameter of 100mm's
On circumference.
Preferably, offering the first installing hole bottom described first keyway, described push-to is crossed securing member and is connected to
In described first keyway, securing member lock onto in the first installing hole after key.
Preferably, described securing member is screw, alignment pin or stud.
Preferably, described toe joint hands comprises first shaft shoulder and second shaft shoulder, and described first shaft shoulder is by described
Two shaft shoulders extend forward and form；Described first shaft shoulder is matched with the endoporus of described roll body；A left side for every section of roll body
End and right-hand member are respectively equipped with a bearing, and described second shaft shoulder is matched with the inner ring of the bearing being adjacent.
Preferably, it is that zero tooth is poor that described toe joint hands engages with described tooth set, solves the difference between bearing block
The problem that the heart brings to assembling, so can have bigger backlash, adapts to become the actual work of eccentric throw
Condition, maximum allowable deviation of centre distance reaches 1.0～2.5mm.
Preferably, in the middle of the endoporus of tooth set, it is equipped with back-up ring, is used for limiting moving axially of tooth set.
Preferably, the left end of every section of roll body and right-hand member are respectively equipped with a bearing, and wherein the bearing of one end is
Axially-displaceable dynamic bearing, it is possible to resolve the bearing caused at linear thermal expansion moves axially.
Preferably, roll body inside center forms cooling-water duct, and the cooling-water duct of adjacent roll body is by cold
But pipe connects, and is provided with multiple sealing ring, it is ensured that cooling water channel ne-leakage between cooling tube and the endoporus of roll body.
The beneficial effects of the utility model: the traditional core of this utility model continuous caster driving roller in-discard
Axle, uses the roll body that multistage is fully disconnected, and is connected by key and gear coupling between multiple roll bodies, real
The synchronization of existing multistage roll body drives, and changes the static indeterminacy stress form driving roller conventional, bearing load and
Roll body stress is substantially reduced, and improves the service life of roll body；And the roll body assembling that multistage is fully disconnected
Simply, it is easy to operation, simplifying the difficulty of equipment assembling, save installation time, assembly precision is the easiest
In guarantee, improve production efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the Novel connection casting machine driving roller of this utility model wherein embodiment；
Fig. 2 is the layout schematic diagram of this utility model roll body end face installing hole；
Fig. 3 is the cross-sectional view of toe joint hands of the present utility model；
In figure: the left roll body of 1-；2-the first screw；3-key；4-toe joint hands；5-tooth set；6-back-up ring；
7-the second screw；8-sealing ring；9-cooling tube；Roll body in 10-: 11-bearing: 12-sealing ring；13-
Right roll body；14-first shaft shoulder；15-second shaft shoulder；16-the first keyway；17-the first installing hole；18-
Two installing holes.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings:
Embodiment 1:
Drive roller force-bearing situation uneven to solve existing mandrel type, the yielding problem of mandrel.Such as Fig. 1
Shown in, the present embodiment 1 provides the continuous caster driving roller that a kind of multistage is fully disconnected, this Novel connection casting machine
It is arranged on inside and outside fan-shaped section in arc frame after driving roller assembling.It includes the roll body that multistage is fully disconnected
(also can claim roller), adjacent segment roll body is connected by key 3 and gear coupling.Described gear coupling
Being overlapped 5 by toe joint hands 4 and tooth to form, in two sections of adjacent roll bodies, wherein the right side of one section of roll body is passed through
Key 3 connects a toe joint hands 4, and the left side of another roll body connects another toe joint hands 4 by key 3, and described one
Toe joint hands 4 is disposed adjacent with another toe joint hands 4 described and jointly engages same tooth set 5.Drive the torsion of motor
Square is connected by gear coupling and key 3 and passes to each section of roll body, it is achieved defeated to slab and dummy bar
Send.
This utility model is described with three sections of roll bodies that are adjacent and that be fully disconnected.Three sections of roll bodies are fixed respectively
Justice is left roll body 1, middle roll body 10, right roll body 13.All connect on the left side of each section of roll body and right side
Connect a toe joint hands 4, in order to become apparent from describing, the toe joint hands 4 being connected with the left side of roll body is defined as a left side
Toe joint hands, is defined as right toe joint hands by the toe joint hands 4 being connected with the right side of described roll body.Left roll body 1
Right toe joint hands be disposed adjacent with the left toe joint hands of described middle roll body 10, both jointly engage one tooth set 5.
The traditional mandrel of continuous caster driving roller in-discard that this utility model provides, uses multistage complete
The roll body disconnected, is connected by key and gear coupling between multiple roll bodies, it is achieved the synchronization of multistage roll body
Driving, change the static indeterminacy stress form driving roller conventional, bearing load and roll body stress are substantially reduced,
Improve the service life of roll body；And the roll body assembling that multistage is fully disconnected is simply, it is easy to operation, letter
Having changed the difficulty of equipment assembling, saved installation time, assembly precision is also easy to ensure, improves production
Efficiency.
Embodiment 2:
On the basis of embodiment 2, as depicted in figs. 1 and 2, the right side of described left roll body is provided with
First keyway 16, is equipped with key 3 in described first keyway 16.The right side of described left roll body 1 is provided with
Second installing hole 18, described right toe joint hands by the second screw 7 (the second screw 7 can also with other
Securing member replaces, and suppose alignment pin, stud etc.) it is connected to the right side of described left roll body 1, described the
Two screws 7 lock onto in described second installing hole 18.Described right toe joint is provided with the second keyway on hand, described
Second keyway is matched with described key 3.
This utility model uses key and securing member to realize roll body and the connection of toe joint hands 4, and connected mode is simple
Reliably, it is easy to install.
Embodiment 3
On the basis of embodiment 2, as depicted in figs. 1 and 2, is offered bottom described first keyway 16
One installing hole 17, (the first screw 2 can also be with other securing member by the first screw 2 for described key 3
Replace, suppose alignment pin, stud etc.) it is connected in described first keyway 16, the first screw 2 is through key
It lock onto after 3 in first installing hole 17.First installing hole 17 is M6 screwed hole, and quantity is two, two
The spacing of individual first installing hole 17 is 95mm.
This utility model is by increasing by the first installing hole, by the first installing hole and first in the first keyway
The cooperation of screw so that key is difficult to skid off the first keyway, and the cooperation of key and the first keyway is tightr.
Embodiment 4
On the basis of embodiment 2, as in figure 2 it is shown, the second installing hole 18 is M12 screwed hole, quantity
Being six, six the second installing holes 18 are evenly distributed on the circumference of a diameter of 100mm.
Second installing hole of the present utility model is multiple and is uniformly distributed so that roll body uniform force, is difficult to
The problem that deflection occurs.
Embodiment 5
On the basis of embodiment 2, as it is shown on figure 3, the outer tooth module 4 of described right toe joint hands, the number of teeth
38.It comprises first shaft shoulder 14 and second shaft shoulder 15, and described first shaft shoulder 14 is by described second shaft shoulder 15
Extend forward and form.First shaft shoulder 14 positions with left roll body 1 inner hole, the left end of every section of roll body and the right side
End is respectively equipped with a bearing, and described second shaft shoulder 15 is matched with the inner ring of the bearing 11 being adjacent.
Toe joint hands of the present utility model is by increasing by first shaft shoulder 14 so that between toe joint hands 4 and roll body
Moment of torsion transmission is more stable, by increasing by second shaft shoulder 15 for location axial to bearing inner race.
Embodiment 6
On the basis of embodiment 1, in order to solve the problem brought the most with one heart between bearing block to assembling,
Gear coupling uses zero tooth difference design, and it is that zero tooth is poor that the most described toe joint hands 4 engages with described tooth set 5,
So can have bigger backlash to adapt to become the actual condition of eccentric throw, maximum allowable centre-to-centre spacing is inclined
Difference reaches 1.0～2.5mm.During tooth set 5 design, wall thickness is relatively thin, and tooth set 5 has certain elasticity, tooth
Catcher 4 and tooth set 5 can preferably engage, and transmit moment of torsion.
Embodiment 7
On the basis of embodiment 1, as it is shown in figure 1, be equipped with back-up ring 6 in the middle of the endoporus of tooth set 5,
It is used for limiting the axial float of tooth set 5.
Embodiment 8
On the basis of embodiment 1, as it is shown in figure 1, the left end of every section of roll body and right-hand member are respectively equipped with one
Individual bearing 11, the bearing 11 of the right side of left roll body 1 is defined as right bearing, the left side of middle roll body 10
Bearing 11 be defined as left bearing.Described left bearing is contained on left shaft holder, and described right bearing is contained in right axle
In bearing.Described left bearing is connected by sealing ring 12 with described right bearing.For middle roll body,
Owing to the outer ring of bearings at both ends 11 is the most limited, for moving axially of the bearing that solves to cause at linear thermal expansion,
Wherein the bearing of one end should use axially-displaceable dynamic bearing (being called for short CARB bearing).
Embodiment 9
On the basis of embodiment 1, refer to Fig. 1, roll body inside center forms cooling-water duct, adjacent
The cooling-water duct of roll body is connected by cooling tube 9, and cooling tube 9 connects the cooling water of roll body.Cooling tube 9
And it is provided with multiple sealing ring 8 between roll body endoporus, it is ensured that cooling water channel ne-leakage.In the present embodiment, close
Seal 8 has four, and four sealing rings 8 form four roads and seal water route, and sealing effectiveness is more preferable.Sealing ring 8
Size be internal diameter be 55mm, external diameter is 75mm, and width is 115mm, due to cooling tube 9 external diameter Φ 55mm,
Roll body diameter of bore Φ 60mm, this sealing structure can allow that 2mm's between adjacent bearing block is the most concentric
Error, this makes the assembly or disassembly of roll body more convenient.
It should be noted that in this document for the definition of location expression, as left and right, upper and lower etc.,
Understanding merely for convenience, the technical program is not limited to described position definition.
Obviously, those skilled in the art can carry out various change and modification to this utility model and not take off
From spirit and scope of the present utility model.So, if these amendments of the present utility model and modification belong to
Within the scope of this utility model claim and equivalent technologies thereof, then this utility model is also intended to comprise this
Including a little changes and modification.
Claims (9)
1. the continuous caster driving roller that a multistage is fully disconnected, it is characterized in that, it includes the roll body that multistage is fully disconnected, adjacent segment roll body is connected by key (3) and gear coupling, described gear coupling is made up of toe joint hands (4) and tooth set (5): in two sections of adjacent roll bodies, wherein the right side of one section of roll body connects a toe joint hands (4) by key (3), the left side of another roll body connects another toe joint hands (4) by key (3), a described toe joint hands (4) is disposed adjacent and jointly engages same tooth set (5) with another toe joint hands (4) described；The end face of each section of roll body is provided with the first keyway (16) and the second installing hole (18), is equipped with key (3) in described first keyway (16)；Described second installing hole (18) connects described toe joint hands (4) by securing member, is provided with the second keyway in described toe joint hands (4), and described key (3) is matched with the second keyway.
Described continuous caster driving roller the most according to claim 1, it is characterised in that the second installing hole (18) is multiple, multiple second installing holes (18) are evenly distributed on the circumference of a diameter of 100mm.
Described continuous caster driving roller the most according to claim 1, it is characterized in that, the first installing hole (17) is offered in described first keyway (16) bottom, described key (3) is connected in described first keyway (16) by securing member, and securing member lock onto in the first installing hole (17) after key (3).
Described continuous caster driving roller the most according to claim 3, it is characterised in that described securing member is screw, alignment pin or stud.
Described continuous caster driving roller the most according to claim 1, it is characterized in that, described toe joint hands (4) comprises first shaft shoulder (14) and second shaft shoulder (15), and described first shaft shoulder (14) is extended forward by described second shaft shoulder (15) and forms；Described first shaft shoulder (14) is matched with the endoporus of described roll body；The left end of every section of roll body and right-hand member are respectively equipped with a bearing (11), and described second shaft shoulder (15) is matched with the inner ring of the bearing (11) being adjacent.
Described continuous caster driving roller the most according to claim 1, it is characterised in that it is that zero tooth is poor that described toe joint hands (4) is engaged with described tooth set (5).
Described continuous caster driving roller the most according to claim 1, it is characterised in that be equipped with back-up ring (6) in the middle of the endoporus of tooth set (5).
Described continuous caster driving roller the most according to claim 1, it is characterised in that the left end of every section of roll body and right-hand member are respectively equipped with a bearing (11), and wherein the bearing (11) of one end is axially-displaceable dynamic bearing.
Described continuous caster driving roller the most according to claim 1, it is characterized in that, roll body inside center forms cooling-water duct, and the cooling-water duct of adjacent roll body is connected by cooling tube (9), is provided with multiple sealing ring (8) between cooling tube (9) and the endoporus of roll body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620371865.3U CN205571372U (en) | 2016-04-27 | 2016-04-27 | Conticaster drive roller that multistage breaks off completely |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620371865.3U CN205571372U (en) | 2016-04-27 | 2016-04-27 | Conticaster drive roller that multistage breaks off completely |
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| Publication Number | Publication Date |
|---|---|
| CN205571372U true CN205571372U (en) | 2016-09-14 |
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| CN201620371865.3U Active CN205571372U (en) | 2016-04-27 | 2016-04-27 | Conticaster drive roller that multistage breaks off completely |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105880500A (en) * | 2016-04-27 | 2016-08-24 | 中国重型机械研究院股份公司 | Novel driving roll of continuous casting machine |
-
2016
- 2016-04-27 CN CN201620371865.3U patent/CN205571372U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105880500A (en) * | 2016-04-27 | 2016-08-24 | 中国重型机械研究院股份公司 | Novel driving roll of continuous casting machine |
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