CN209379664U - Side shaft sleeve of rolling mill, assembly structure, connecting shaft device of rolling mill and rolling mill - Google Patents
Side shaft sleeve of rolling mill, assembly structure, connecting shaft device of rolling mill and rolling mill Download PDFInfo
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- CN209379664U CN209379664U CN201822215635.XU CN201822215635U CN209379664U CN 209379664 U CN209379664 U CN 209379664U CN 201822215635 U CN201822215635 U CN 201822215635U CN 209379664 U CN209379664 U CN 209379664U
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- Prior art keywords
- milling train
- rolling mill
- bearing
- side axle
- split
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- 238000005096 rolling process Methods 0.000 title claims abstract description 38
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims abstract description 3
- 238000003801 milling Methods 0.000 claims description 63
- 239000002131 composite material Substances 0.000 claims description 15
- 210000004907 gland Anatomy 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000010079 rubber tapping Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 1
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- Mounting Of Bearings Or Others (AREA)
Abstract
The utility model provides a rolling mill side shaft sleeve, assembly structure, rolling mill spiale device and rolling mill, rolling mill side shaft sleeve includes axle sleeve portion and flange form connecting portion that form along axial an organic whole, the concave bearing installation department that is formed with the annular groove shape that is equipped with between axle sleeve portion and flange form connecting portion; the assembling structure comprises the rolling mill side shaft sleeve and a split type bearing combined structure arranged on a bearing mounting part of the rolling mill side shaft sleeve; the rolling mill connecting shaft device comprises a universal connecting shaft and a speed reduction side shaft sleeve; the rolling mill comprises a roller and a speed reducer. The embodiment of the utility model provides an adopt a modified rolling mill side axle sleeve to cancel conventional and universal spindle spare and passed through flange transitional coupling's mode, avoided the cracked problem of bolt impact in the use completely, thereby the efficiency of more stable assurance production line.
Description
Technical field
The utility model relates to the milling train in metallurgical steel rolling field, in particular to a kind of milling train side axle set of long material production line,
Assembling structure, extension shaft for rolling mill device and milling train.
Background technique
It as shown in Figure 1 and Figure 2, is a kind of existing schematic perspective view of extension shaft for rolling mill device.Extension shaft for rolling mill will be for that will subtract
The torque of fast machine is transmitted on rolling mill roll, to realize the rolling of steel billet.Fig. 2 is referred to, is connect for milling train conventional in Fig. 1
The partial schematic sectional view of shaft device amplification, extension shaft for rolling mill mainly cover assembly 1, universal-joint spindle 2, deceleration side axle sleeve by milling train side axle
3 three parts composition, three parts are bonded by flange hole, and bolt fastening is together.Wherein, milling train side axle set assembly 1 mainly by
The compositions such as axle sleeve 1-1, bearing 1-2, bearing block 1-3, flange 1-4, connection bolt 1-5, force transfer key 1-6.
Axle sleeve 1-1 is connect with roll 4.
Bearing 1-2 is respectively supported in axle sleeve 1-1 and bearing block 1-3, and bearing block 1-3 is fixed on spindle carrier (outer connection
It is not shown in the figure) on, to guarantee the stable operation of spindle.
Flange 1-4 is tightened together by connection bolt 1-5 with axle sleeve 1-1；Power transmission is installed between flange 1-4 and axle sleeve 1-1
Key 1-6 is used for special delivery roll torque；Flange 1-4 is connect by bolt with universal-joint spindle 2.
In actual production, this extension shaft for rolling mill device has the following problems:
Connection bolt 1-5 is connect by the way of tapping with axle sleeve 1-1, since the mode of tapping connection can not take bolt
Loosen measure, during the rolling process since impact vibration of rolled piece etc. influences, connection bolt 1-5 will appear gradually loose phenomenon,
Since connection bolt 1-5 is inside spindle, point inspection process can not be found, will appear connection bolt 1-5 fracture after long-time service, into
And cause 2 case accident of universal-joint spindle.In addition, connection bolt 1-5 is once broken into axle sleeve 1-1 due to being connected using tapping
By extremely difficult processing, the processing time after occurring accident in actual production is generally no less than 6 hours, has seriously affected production line
Efficiency.
Utility model content
The utility model embodiment proposes a kind of milling train side axle set, assembling structure, extension shaft for rolling mill device and milling train, to improve
Or overcome the above-described existing extension shaft for rolling mill problem.
The embodiments of the present invention propose a kind of milling train side axle set, wherein the milling train side axle set includes along axial one
The shaft sleeve part and Flange-shaped Parts interconnecting piece that body is formed, the recessed bearing for being formed with annular groove shape between the shaft sleeve part and Flange-shaped Parts interconnecting piece
Mounting portion.
In one embodiment, two end side of bottom of the axle bearing mount portion of the milling train side axle set further respectively has circular step
Portion.
The embodiments of the present invention also propose a kind of milling train side axle set assembling structure, wherein the assembling structure includes
Above milling train side axle covers and is installed on the divided bearing composite structure of its axle bearing mount portion.
Further, the divided bearing composite structure includes split bearing and Split type bearing support, the split bearing group
Trapping structure is set to the axle bearing mount portion of the axle sleeve, fastening setting after the Split type bearing support is installed on outside split bearing.
Further, the divided bearing composite structure further includes having connection bolt, and the Split type bearing support passes through described
Connection bolt fastening is installed on outside split bearing.
Further, the divided bearing composite structure further includes having split mechanical seals circle and subdivision gland, and the subdivision is close
Seal combination is sheathed on the axle sleeve periphery, and the subdivision gland combined cap is set to split mechanical seals circle periphery, and is fixed on
The Split type bearing support.
The embodiments of the present invention also propose a kind of extension shaft for rolling mill device, wherein the extension shaft for rolling mill device includes ten thousand
Assembling structure is covered to spindle, deceleration side axle sleeve and above-described milling train side axle, the milling train side axle covers assembling structure one end
For inserting roll, the other end and universal-joint spindle are sequentially connected, and the other end and deceleration side axle sleeve of universal-joint spindle are sequentially connected.
The embodiments of the present invention also propose that a kind of milling train, the milling train include roll and speed reducer, wherein described to roll
Machine further includes above-described extension shaft for rolling mill device, which is connected between roll and speed reducer.
Further, the milling train side axle set and roll are the plug in construction of clearance fit.
The utility model embodiment utilizes the milling train side axle set of integral type by using a kind of improved milling train side axle set
Structure, eliminate it is conventional with Universal connector shaft member in such a way that flange transition is connect, it is entirely avoided the spiral shell in use process
The problem of bolt impact fracture, thus the efficiency of more stable guarantee production line.
Detailed description of the invention
Included attached drawing is used to provide to be further understood from the utility model embodiment, and which constitute specifications
A part for illustrating the embodiments of the present invention, and comes together to illustrate the principles of the present invention with verbal description.It is aobvious
And easy insight, the drawings in the following description are merely some embodiments of the present invention, for those of ordinary skill in the art
For, without any creative labor, it is also possible to obtain other drawings based on these drawings.In the accompanying drawings:
Fig. 1 is a kind of existing schematic perspective view of extension shaft for rolling mill device.
Fig. 2 is that the milling train side axle of the extension shaft for rolling mill device in Fig. 1 covers partial schematic sectional view.
Fig. 3 is that the milling train side axle in an embodiment of the utility model covers assembling structure schematic diagram.
Fig. 4 is that the milling train side axle of the utility model embodiment covers the schematic diagram of assembling structure line A-A along Fig. 3.
Wherein:
1, milling train side axle set assembling structure (existing)；1-4, flange (existing)；2, universal-joint spindle；3, deceleration side axle sleeve； 4,
Roll；5, milling train side axle set assembling structure (improvement)；5-1 milling train side axle set；5-2, split mechanical seals circle；5-3, subdivision gland；5-
4, Split type bearing support；5-5, split bearing；5-6, connection bolt.
Specific embodiment
Referring to attached drawing, by following specification, the aforementioned and other feature of the utility model be will be apparent.It is saying
In bright book and attached drawing, the particular implementation of the utility model is specifically disclosed, which show wherein can be practical new using this
The some embodiments of the principle of type, it will thus be appreciated that the utility model is not limited to described embodiment, on the contrary, this reality
With novel whole modifications, modification and equivalent including falling within the scope of the appended claims.
As shown in Figure 3, Figure 4, the embodiments of the present invention propose a kind of milling train side axle set 5-1, wherein the milling train side
Axle sleeve 5-1 includes along axially integrally formed shaft sleeve part 511 and Flange-shaped Parts interconnecting piece 513, the shaft sleeve part 511 and Flange-shaped Parts
The recessed axle bearing mount portion 512 for being formed with annular groove shape between interconnecting piece 513.
When processing, milling train side axle covers 5-1 and is integrated axle sleeve and flange casting along axial direction, is provided between axle sleeve and flange
Annular groove, for assembling split bearing and bearing block hereinafter.The milling train side axle set of the present embodiment uses integrally formed
513 structure of shaft sleeve part 511 and Flange-shaped Parts interconnecting piece, it is entirely different with the thinking of the prior art, thus instead of conventional with ten thousand
To spindle part in such a way that flange transition connects, the problem of avoiding the bolt impact fracture in use process.
As shown in Figure 3, Figure 4, the embodiments of the present invention propose a kind of milling train side axle set assembling structure 5, wherein described
Assembling structure includes that the milling train side axle covers 5-1 and is installed on the divided bearing composite structure of its axle bearing mount portion 512.
The divided bearing composite structure includes that split bearing 5-5 and Split type bearing support 5-4, the split bearing composite structure are arranged
In the axle bearing mount portion of the axle sleeve, fastening setting after the Split type bearing support is installed on outside split bearing.Utilize split-type shaft
Composite structure is held, the milling train side axle set of aforementioned integral type can be adapted to completely, facilitate installation, and can achieve higher essence
Degree.
In the specific implementation, the divided bearing composite structure can also include connection bolt 5-6, the subdivision axis
A 5-4 is held to be fastened on outside split bearing 5-5 by the connection bolt 5-6.
In a specific embodiment, the divided bearing composite structure further includes having split mechanical seals circle 5-2 and subdivision
Gland 5-3, two end side of bottom of the axle bearing mount portion 512 of the milling train side axle set further respectively have circular step portion 514, institute
The circular step portion 514 that the combination of split mechanical seals circle is sheathed on the axle sleeve is stated, the subdivision gland combined cap is set to the subdivision
Sealing ring periphery, and it is fixed on the Split type bearing support.
When assembly, first split bearing 5-5 is mounted on milling train side axle set 5-1, then Split type bearing support 5-4 is installed
On split bearing 5-5, Split type bearing support 5-4 is tightened together by connecting bolt 5-6.Then by the subdivision gland 5- of two sides
3 and split mechanical seals circle 5-2 is installed on Split type bearing support 5-4.
Those skilled in the art could be aware that above-mentioned split bearing can use the subdivisions knots such as 2 points, 4 points, 6 points or 8 points
Structure, the present embodiment are not intended to limit.Split type bearing support preferably uses 2 separation structures, in order to install fixation.
Incorporated by reference to Fig. 3, Fig. 4 and with reference to shown in Fig. 1, Fig. 2, the embodiments of the present invention also propose a kind of extension shaft for rolling mill dress
It sets, wherein the extension shaft for rolling mill device includes universal-joint spindle 2, deceleration side axle sleeve 3 and the milling train side axle set assembling structure
5, described milling train side axle set 5 one end of assembling structure is for inserting roll 4, and the other end is connect with universal-joint spindle 2, universal-joint spindle 2
The other end and deceleration side axle sleeve 3 are sequentially connected.
Extension shaft for rolling mill device covers assembling structure 5 through 3, two universal-joint spindles 2 of deceleration side axle sleeve, milling train side axle when work, will
The torque of speed reducer is transmitted on roll 4.
The embodiments of the present invention also provide a kind of milling train, and the milling train includes roll 4 and deceleration side axle sleeve 3, wherein
The milling train further includes the extension shaft for rolling mill device, which is connected between roll 4 and deceleration side axle sleeve.Institute
It states milling train side axle set 5-1 and roll 4 is the plug in construction of clearance fit.Plug in construction is convenient, simple and direct, quick when operation.
By the improved milling train side axle set of the utility model, assembly, extension shaft for rolling mill device and milling train, eliminate conventional
With Universal connector shaft member in such a way that flange transition is connect, it is entirely avoided the problem of bolt impact fracture in use process,
To the efficiency of more stable guarantee production line.
Combine specific embodiment that the utility model is described above, but those skilled in the art should be clear
Chu, these descriptions are all exemplary, and are not the limitation to scope of protection of the utility model.Those skilled in the art can root
Various variants and modifications are made to the utility model according to the spirit and principle of the utility model, these variants and modifications are also in this reality
With in novel range.
Claims (10)
1. a kind of milling train side axle set, which is characterized in that the milling train side axle set includes along axially integrally formed shaft sleeve part and method
Flange-like interconnecting piece, the recessed axle bearing mount portion for being formed with annular groove shape between the shaft sleeve part and Flange-shaped Parts interconnecting piece.
2. milling train side axle set as described in claim 1, which is characterized in that the bottom of the axle bearing mount portion of the milling train side axle set
Two end sides further respectively have circular step portion.
3. a kind of milling train side axle covers assembling structure, which is characterized in that the assembling structure includes any one of claim 1~2 institute
The milling train side axle set (5-1) stated and the divided bearing composite structure for being installed on its axle bearing mount portion.
4. milling train side axle as claimed in claim 3 covers assembling structure, which is characterized in that the divided bearing composite structure packet
Split bearing (5-5) and Split type bearing support (5-4) are included, the split bearing composite structure is sheathed on the bearing installation of the axle sleeve
Portion, fastening setting after the Split type bearing support is installed on outside split bearing.
5. milling train side axle as claimed in claim 4 covers assembling structure, which is characterized in that the split bearing using 2 points, 4 points,
6 points or 8 separation structures, the Split type bearing support use 2 separation structures.
6. milling train side axle as claimed in claim 5 covers assembling structure, which is characterized in that the divided bearing composite structure is also
It include connection bolt (5-6), the Split type bearing support is installed on outside split bearing by the connection bolt fastening.
7. milling train side axle as claimed in claim 6 covers assembling structure, which is characterized in that the divided bearing composite structure is also
It include split mechanical seals circle (5-2) and subdivision gland (5-3), the split mechanical seals circle combination is sheathed on the axle sleeve, described to cut open
It divides lid combined cap and is set to split mechanical seals circle periphery, and be fixed on the Split type bearing support.
8. a kind of extension shaft for rolling mill device, which is characterized in that the extension shaft for rolling mill device include universal-joint spindle, deceleration side axle sleeve and
The described in any item milling train side axles of claim 4~7 cover assembling structure, and milling train side axle set assembling structure (5) one end is used for
It inserts roll (4), the other end and universal-joint spindle (2) are sequentially connected, and the other end and deceleration side the axle sleeve transmission of universal-joint spindle (2) connect
It connects.
9. a kind of milling train, the milling train includes roll (4) and speed reducer, which is characterized in that the milling train further includes claim 8
The extension shaft for rolling mill device, the extension shaft for rolling mill device are sequentially connected between roll (4) and speed reducer.
10. milling train as claimed in claim 9, it is characterised in that: the milling train side axle set (5-1) is matched with roll (4) for gap
The plug in construction of conjunction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822215635.XU CN209379664U (en) | 2018-12-27 | 2018-12-27 | Side shaft sleeve of rolling mill, assembly structure, connecting shaft device of rolling mill and rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822215635.XU CN209379664U (en) | 2018-12-27 | 2018-12-27 | Side shaft sleeve of rolling mill, assembly structure, connecting shaft device of rolling mill and rolling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209379664U true CN209379664U (en) | 2019-09-13 |
Family
ID=67854951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822215635.XU Active CN209379664U (en) | 2018-12-27 | 2018-12-27 | Side shaft sleeve of rolling mill, assembly structure, connecting shaft device of rolling mill and rolling mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209379664U (en) |
-
2018
- 2018-12-27 CN CN201822215635.XU patent/CN209379664U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |