CN208373828U - A kind of novel breast roll - Google Patents
A kind of novel breast roll Download PDFInfo
- Publication number
- CN208373828U CN208373828U CN201820567526.1U CN201820567526U CN208373828U CN 208373828 U CN208373828 U CN 208373828U CN 201820567526 U CN201820567526 U CN 201820567526U CN 208373828 U CN208373828 U CN 208373828U
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- driving gear
- breast roll
- main shaft
- guard ring
- transmission main
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Abstract
The utility model discloses a kind of novel breast rolls, it includes cabinet, driving gear end, driven gear end, and driving gear end includes transmission main shaft, sealing structure, driving gear, self-aligning roller bearing, external splines set；Sealing structure includes spacer sleeve, guard ring, VD sealing, spacer sleeve is tightly placed on the arc axle journal of transmission main shaft, step surface of its left and right ends respectively with the right side of self-aligning roller bearing inner ring, transmission main shaft fits closely, guard ring is covered in the outside of spacer sleeve, and the left side of section is pressed on the medial surface of cabinet among it；VD is sealingly disposed in the inside groove of guard ring, and is in contact with the crowning of positioning sleeve；Self-aligning roller bearing and driving gear cover on transmission main shaft, and driving gear and transmission main shaft are interference fit, and external splines set is connect with driving gear spline, and the intracorporal sealing shroud of case is on driving gear.The utility model breast roll, the breast roll sealing performance is good, protects the related part in breast roll.
Description
Technical field
The utility model relates to the breast rolls of milling train, belong to machinery field.
Background technique
Heavy and medium plate mill is reversible rolling, and steel billet is short and thick, in order to convey rolled piece, smoothly realizes that steel billet bites, in milling train
Breast roll apparatus is provided in rack before and after roll, to ensure that the smooth delivery of power of rolled piece.
The structure of existing breast roll is as shown in Figure 1, it has the disadvantages that deposits between (one), spacer sleeve and guard ring radial direction
In gap, cooling water, water vapour, dust etc. are easy from entering between spacer sleeve and guard ring, in addition between spacer sleeve and guard ring
It is provided with the poor swelling copper ring of waterproof effect, so that cooling water, water vapour, dust etc. are easier to enter corrosion zero inside equipment
Part causes gear wear to fail；(2), inner spline housing covers on the external splines of transmission main shaft, the outer circle and sealing of inner spline housing
Part is in contact, and fails in this way when replacement breast roll leads to seal wear when being inserted into inner spline housing；(3) driven gear with from
Between moving axis by flat key connect, i.e., driven gear is rotated by flat key with driven shaft, and driven gear stress is big, teeth portion by
Fatigue wear is easy to produce to impact；(4) breast roll uses thin oil lubricant mode, and oil mass dosage is larger, and breast roll is caused to be self-possessed
It is heavier, and lubrication is insufficient, grease waste is more；(5) strength of gear teeth is lower, therefore during slab rolling, gear rapid wear
It is bad.In short, various problems often occurs in existing breast roll, milling train operating efficiency is seriously affected.
Utility model content
The problem to be solved by the utility model is to provide a kind of new structural breast roll, the breast roll waterproof seals
Can be good, protect the related part in breast roll.Meanwhile replacement breast roll will not damage sealing；Drive gear and driven gear
Intensity improve, service life increase；Oil-air lubrication makes lubrication more abundant, and oil mass uses less.In short, the utility model breast roll
Machine service life extends, and steel rolling field maintenance cost and human cost is effectively reduced.
A kind of novel breast roll of the utility model, it includes cabinet, driving gear end, driven gear end, drives gear
End includes transmission main shaft, sealing structure, driving gear, self-aligning roller bearing, external splines set；Sealing structure includes spacer sleeve, shield
Circle, VD sealing, spacer sleeve is tightly placed on the arc axle journal of transmission main shaft, left and right ends respectively with self-aligning roller bearing inner ring
Right side, transmission main shaft step surface fit closely, guard ring is covered in the outside of spacer sleeve, and the left side of section is pressed among it
On the medial surface of cabinet；VD is sealingly disposed in the inside groove of guard ring, and is in contact with the crowning of spacer sleeve；Aligning roller axis
It holds and gear is driven to cover on transmission main shaft, driving gear and transmission main shaft are interference fit, external splines set and driving gear
Spline connection, the intracorporal sealing shroud of case is on driving gear.
Further, sealing structure further includes reinforced seal, and reinforced seal is arranged in the inner hole of guard ring, Internal and external cycle point
Inner ring surface not with the outer ring surface of spacer sleeve, guard ring fits.
Further, the left side of guard ring is pressed on the right side of self aligning roller bearing outer ring, right side and transmission
Gap, left section of periphery and the inner hole of cabinet are provided between the step surface of main shaft.
Further, driven gear end include distance collar, left positioning sleeve, right positioning sleeve, cylinder roller bearing, driven shaft,
Driven gear, round nut；Two cylindrical roller axis being in contact with the two are provided between driven gear and driven shaft radial direction
It holds, two cylinder roller bearings are separated by distance collar, and round nut screws on driven shaft, and are pressed on the cylindrical roller of right end
On the right side of bearing, left positioning sleeve and right positioning sleeve are respectively fitted on the axis at driven shaft both ends.
Further, breast roll is additionally provided with oil gas lubricating system, and oil and gas lubricating system includes being separately positioned on cabinet end
The big L shape oil gas lubrication hole on end face oil-air lubrication hole, driven shaft on face, the oil-air lubrication hole on driven gear, in guard ring
Small L shape oil gas lubrication hole.
Further, if being provided with arterial highway groove on right section of guard ring of periphery.
The advantages of the utility model breast roll is: (one) optimizes breast roll waterproof construction, effectively prevent rack roller box body
Water inlet reduces corrosive wear, increases the service life of part；(2) gear pair thickness is increased, to driving gear, driven gear
Cooperation optimizes, and increases intensity, effectively improves service life of gear；(3) increase driving gearing shaft to hold, reduce driven
Gear fatigue wear improves integral drive-system stability；(4) thin oil lubricant mode is changed to oil-air lubrication, mitigate self weight,
Reduce grease waste；(5) replacement breast roll will not damage sealing online.In short, the structural strength of the utility model breast roll and steady
Qualitative good, online service life greatly prolongs, and reduces maintenance replacing construction, shortens the spare parts purchasing period, it is existing to meet steel rolling
Field requirement.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing breast roll；
Fig. 2 is the utility model rack roll structure general assembly drawing；
Fig. 3 is the structural schematic diagram of the driving gear end in the utility model breast roll；
Fig. 4 is the structural schematic diagram at the driven gear end in the utility model breast roll；
Fig. 5 is the enlarged diagram in Fig. 3 at X.
Specific embodiment
It is more clearly understood to be conducive to those skilled in the art to the utility model, below to the utility model
It is described in further detail.
Embodiment 1
A kind of novel breast roll of the utility model, it includes cabinet 1, driving gear end, driven gear end, drives gear
End includes transmission main shaft 5, sealing structure, driving gear 4, self-aligning roller bearing 18, external splines set 6；Sealing structure includes spacing
Set 2, guard ring 3, VD sealing 8, spacer sleeve 2 is tightly placed on the arc axle journal of transmission main shaft 5, left and right ends respectively with aligning
The right side of 18 inner ring of roller bearing, the step surface of transmission main shaft 5 fit closely, 3 sets of the guard ring outsides in spacer sleeve 2, and its
The left side of interlude is pressed on the medial surface of cabinet 1；VD sealing 8 is arranged in the inside groove of guard ring 3, and with spacer sleeve 2
Crowning is in contact；Self-aligning roller bearing 18 and driving gear 4 cover on transmission main shaft 5, driving gear 4 and transmission main shaft 5
For interference fit, external splines set 6 is connect with driving 4 spline of gear, and 17 sets of sealing in cabinet 1 are on driving gear 4.
The advantages of such structure of the utility model, is: (one) by spacer sleeve 2, guard ring 3 and VD seal 8 threes formed it is new anti-
Water, dust-proof sealing structure, make closed between spacer sleeve 2 and guard ring 3, thus cooling water, water vapour, dust etc. cannot be introduced into case
In vivo, bearing will not be corroded, protective effect is played to transmission main shaft etc., the service life of breast roll is extended, ensure that and roll
The operating efficiency of machine；(2) external splines set 6 is connect with driving 4 spline of gear, is not contacted directly with sealing 17, when replacement breast roll
The case where being not in lead to seal wear and fail when being inserted into external splines set.
Embodiment 2
As a kind of improved procedure of the utility model, sealing structure further includes reinforced seal 7, and reinforced seal 7 is arranged in guard ring 3
Inner hole in, inner ring surface of the Internal and external cycle respectively with the outer ring surface of spacer sleeve 2, guard ring 3 fits.
The poor swelling copper ring of existing waterproof effect is substituted in the reinforced seal of the utility model good seal performance, further
It ensure that cooling water, water vapour, dust etc. cannot be introduced into inside equipment, play the role of protecting breast roll inner body.
Embodiment 3
As a kind of improved procedure of the utility model, if being provided with arterial highway groove on 3 right sections of guard ring of periphery.
If the utility model is provided with arterial highway groove i.e. labyrinth waterproof structure on original guard ring, prevent water along smooth table
Face directly enters cabinet, so that the effect of sealing is further functioned as, part in guard box body.
Embodiment 4
Wherein, the specific location of guard ring 3 is: the left side of guard ring 3 is pressed on the right side of 18 outer ring of self-aligning roller bearing
On, gap, left section of periphery and the inner hole of cabinet 1 are provided between right side and the step surface of transmission main shaft 5.
Embodiment 5
In the utility model breast roll, driven gear end includes distance collar 9, left positioning sleeve 11, right positioning sleeve 10, cylindrical roller axis
Hold 12, driven shaft 13, driven gear 14, round nut 15；Be provided between 13 radial direction of driven gear 14 and driven shaft with both
Two cylinder roller bearings 12 being in contact, two cylinder roller bearings 12 are separated by distance collar 9, and round nut 15 screws
It on driven shaft 13, and is pressed on the right side of cylinder roller bearing 12 of right end, left positioning sleeve 11 and right positioning sleeve 10 are distinguished
It covers on the axis at 13 both ends of driven shaft.
Driven gear end in the utility model breast roll is by increasing by two line column roller bearings 12, instead of in existing structure
Flat key, i.e. driven gear rotated with driven shaft by bearing, reduces the stress of driven gear, improve driven gear
Service life.
Embodiment 6
As a kind of improved procedure of the utility model, breast roll is additionally provided with oil gas lubricating system, and oil and gas lubricating system includes
It is separately positioned on the end face oil-air lubrication hole 16 on 1 end face of cabinet, the big L shape oil gas lubrication hole 20 on driven shaft 13, driven tooth
Oil-air lubrication hole 19 on wheel 14, the small L shape oil gas lubrication hole 21 in guard ring 3.
The utility model breast roll by end face oil-air lubrication hole 16, big L shape oil gas lubrication hole 20, oil-air lubrication hole 19,
Small L shape oil gas lubrication hole 21 forms oil gas lubricating system, i.e., existing thin oil lubricant mode is changed to Oil-air Lubrication, protected
While card carries out effectively lubricating to gear and sealing, alleviates the self weight of breast roll, reduces the waste of grease, solve elder generation
The oil leak in use of forebay roller, lubricates the problems such as insufficient, improves the whole service life of breast roll.
In addition, the utility model also shortens existing transmission main shaft, concedes space and increase driving gear thickness, improve gear
Intensity；Meanwhile the utility model increases the thickness of driven gear, that is, increases the thickness of gear pair.Therefore, previous gear is solved
Due to being impacted the phenomenon for causing the serious service life of gear fatigue wear low by alternating load in transmission process, effectively improve
The gear grinding that breast roll operating condition complexity generates undermines bearing wear serious phenomenon, effectively increases service life of gear.
Therefore, the utility model breast roll solves breast roll water inlet, improves the spare parts service life such as gear, bearing, sealing,
Spline housing assembly efficiency is promoted, the breast roll changing period is reduced；Reduce customer repair replacement cost, it is existing both to have improved client
Field Rolling production efficiency, also reduces the maintenance operation cost of company, realizes common profit.
Claims (6)
1. a kind of novel breast roll, it includes cabinet (1), driving gear end, driven gear end, it is characterized in that: driving gear
End includes transmission main shaft (5), sealing structure, driving gear (4), self-aligning roller bearing (18), external splines set (6)；Sealing structure
Including spacer sleeve (2), guard ring (3), VD sealing (8), spacer sleeve (2) is tightly placed on the arc axle journal of transmission main shaft (5), left and right
Step surface of the both ends of the surface respectively with the right side of self-aligning roller bearing (18) inner ring, transmission main shaft (5) fits closely, guard ring (3)
The outside in spacer sleeve (2) is covered, and the left side of section is pressed on the medial surface of cabinet (1) among it；VD seals (8) setting and exists
In the inside groove of guard ring (3), and it is in contact with the crowning of spacer sleeve (2)；Self-aligning roller bearing (18) and driving gear (4) cover
On transmission main shaft (5), driving gear (4) and transmission main shaft (5) are interference fit, external splines set (6) and driving gear (4) flower
It is keyed, the sealing (17) in cabinet (1) covers in driving gear (4).
2. breast roll according to claim 1, it is characterized in that: sealing structure further includes reinforced seal (7), reinforced seal
(7) it is arranged in the inner hole of guard ring (3), inner ring surface of the Internal and external cycle respectively with the outer ring surface of spacer sleeve (2), guard ring (3) is affixed
It closes.
3. breast roll according to claim 1, it is characterized in that: the left side of guard ring (3) is pressed on self-aligning roller bearing
(18) on the right side of outer ring, gap, left section of periphery are provided between right side and the step surface of transmission main shaft (5)
With the inner hole of cabinet (1).
4. breast roll according to claim 1, it is characterized in that: driven gear end includes distance collar (9), left positioning sleeve
(11), right positioning sleeve (10), cylinder roller bearing (12), driven shaft (13), driven gear (14), round nut (15)；Driven tooth
Two cylinder roller bearings (12) being in contact with the two, two cylinders are provided between wheel (14) and driven shaft (13) radial direction
Roller bearing (12) is separated by distance collar (9), and round nut (15) screws on driven shaft (13), and is pressed on the cylinder of right end
On the right side of roller bearing (12), left positioning sleeve (11) and right positioning sleeve (10) are respectively fitted over the axis at driven shaft (13) both ends
On.
5. breast roll according to claim 3, it is characterized in that: breast roll is additionally provided with oil gas lubricating system, oil and gas lubrication
System includes being separately positioned on the end face oil-air lubrication hole (16) on cabinet (1) end face, the big L shape oil gas profit on driven shaft (13)
The small L shape oil gas lubrication hole (21) in oil-air lubrication hole (19), guard ring (3) on slide opening (20), driven gear (14).
6. breast roll according to claim 3, it is characterized in that: guard ring (3) is recessed if being provided with arterial highway on right section of periphery
Slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820567526.1U CN208373828U (en) | 2018-04-20 | 2018-04-20 | A kind of novel breast roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820567526.1U CN208373828U (en) | 2018-04-20 | 2018-04-20 | A kind of novel breast roll |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208373828U true CN208373828U (en) | 2019-01-15 |
Family
ID=64972527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820567526.1U Active CN208373828U (en) | 2018-04-20 | 2018-04-20 | A kind of novel breast roll |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208373828U (en) |
-
2018
- 2018-04-20 CN CN201820567526.1U patent/CN208373828U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190724 Address after: Room 212, Office Building No. 159, Huxi Road, Ma'anshan Economic and Technological Development Zone, Anhui Province Patentee after: Anhui Yaotai Engineering Technology Co.,Ltd. Address before: 243000 Ma'anshan economic and Technological Development Zone, Anhui, Chao Shan Road, No. 669 Patentee before: TAIER HEAVY INDUSTRY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220712 Address after: 243000 no.669 Chaoshan Road, economic and Technological Development Zone, Ma'anshan City, Anhui Province Patentee after: TAIER HEAVY INDUSTRY Co.,Ltd. Address before: 243000 room 212, office building, 159 huxinan Road, Maanshan economic and Technological Development Zone, Anhui Province Patentee before: Anhui Yaotai Engineering Technology Co.,Ltd. |