CN206747600U - A kind of revolution at a high speed bearing block - Google Patents
A kind of revolution at a high speed bearing block Download PDFInfo
- Publication number
- CN206747600U CN206747600U CN201720100685.6U CN201720100685U CN206747600U CN 206747600 U CN206747600 U CN 206747600U CN 201720100685 U CN201720100685 U CN 201720100685U CN 206747600 U CN206747600 U CN 206747600U
- Authority
- CN
- China
- Prior art keywords
- bearing
- bearing block
- power transmission
- revolution
- high speed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of revolution at a high speed bearing block, including adapter sleeve, connection ringfeder, expansion sleeve, rear bearing (ball) cover, drive mandrel, power transmission set, bearing block, fore bearing end cap, gland, safty shield, axle sleeve platen；Power transmission covers one end and is provided with expansion sleeve, and adapter sleeve is installed on expansion sleeve by connecting ringfeder；Power transmission set the week side of boss is provided with bearing block；Safty shield is installed, gland is used to fix safty shield at bearing block one end open；Bearing block one end has been bolted rear bearing (ball) cover, and the other end has been bolted fore bearing end cap；Power transmission set the week side of boss is fixed with deep groove ball bearing, angular contact ball bearing, self-locking nut.The utility model, which solves, does not need the secondary high efficiency for removing and installing the system attachments such as bearing, seal and water cooling, improving replacing mandrel when high-precision bearing seat changes mandrel, when changing mandrel, it is not necessary to dismantle bearing so that it is more convenient to change process.
Description
Technical field
The utility model belongs to bearing block technical field, more particularly to a kind of revolution at a high speed bearing block.
Background technology
At present, high speed floating bearing seat mechanism is common on various machine tool chief axis, such as lathe, milling machine, machining center
Main axle unit, the main shaft precision of the type is higher, especially all kinds of machining center main axle units, because rotating speed is high, transmits moment of torsion
Greatly, certain axial force can be born, therefore requires that the stability of bearing block is high, bearing accuracy is high, and main axle unit dynamic balance performance is good.
Such spindle bearing holder unit needs to carry out dynamic balancing measurement during assembling and setting, and revolution at a high speed bearing needs strict carry out
Pairing uses, and requires disposable assembling to ensure bearing assembly precision.Later stage is not easy to carry out demolition and maintenance using process, especially
It is when revolution mandrel needs replacing, and bearing accuracy can be had a strong impact on by dismounting bearing block again, and whole revolution mandrel is moved and put down
Weighing apparatus is difficult to ensure that, can not meet high speed high pulling torque requirement.
The current various testboard driving/loading axis bearing cellular constructions and Spindle Unit of Machine Tool structure for needing revolution driving
Arrange it is essentially identical, applied on all kinds of testboard bays, such as axle assembly testboard bay, gearbox test bench frame, Engine Block Test
Stand, new energy motor exploitation testboard bay etc..
Such bearing block unit passes through long-play, and mandrel is easily deformed, it is necessary to when changing, need to tear each bearing on axle open
Unload and be again loaded into after being fitted into new mandrel in device, however, under the operating mode that drive shaft rotates at a high speed, the requirement of both axis of rotation exists
On same axis, then the bearing accuracy requirement installed on mandrel is higher, and when changing mandrel, bearing secondary need to remove and install, and influence
Rotating accuracy.
Utility model content
The purpose of this utility model is to provide a kind of revolution at a high speed bearing block solve high-precision bearing seat and change core
The secondary high efficiency for removing and installing the system attachments such as bearing, seal and water cooling, improving replacing mandrel is not needed during axle.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of revolution at a high speed bearing block, including it is adapter sleeve, connection ringfeder, expansion sleeve, rear bearing (ball) cover, drive mandrel, dynamic
Power drive sleeve, bearing block, fore bearing end cap, gland, safty shield, axle sleeve platen；
The power transmission covers one end and is provided with expansion sleeve, and the adapter sleeve connects ringfeder by expansion sleeve and is installed on transmission
Put, with passing power；
The power transmission set the week side of boss is provided with bearing block；
Safty shield is installed, the gland is used to fix safty shield at the bearing block one end open；
Described bearing block one end has been bolted rear bearing (ball) cover, and the other end has been bolted front axle socket end
Lid；
The power transmission set the week side of boss is fixed with deep groove ball bearing, angular contact ball bearing, self-locking nut.
Further, the surface of fore bearing end cap one is provided with gland.
Further, the junction of the power transmission set and rear bearing (ball) cover and fore bearing end cap is respectively and fixedly provided with sealing
Circle.
Further, deep groove ball bearing and the angular contact ball bearing side is respectively and fixedly provided with a self-locking nut.
Further, spacer is fixed between the angular contact ball bearing and sealing ring, the spacer is fixed on power biography
Dynamic set the week side of boss.
Further, the drive mandrel the week side of boss is provided with flat key.
Further, it is respectively and fixedly provided with oil baffle disc between the deep groove ball bearing and angular contact ball bearing and self-locking nut.
Further, the drive mandrel covers one end junction with power transmission and fixed by axle sleeve platen, the axle sleeve
Platen is secured by bolts in power transmission and covers one end.
The beneficial effects of the utility model：
The utility model solve high-precision bearing seat change mandrel when do not need it is secondary remove and install bearing, seal with
And the system attachment such as water cooling, improve the high efficiency for changing mandrel.Do not contact directly, use with bearing in loading axis mechanism SMIS axle
Driving sleeve mode, bearing pairing are assemblied in drive sleeve, are loaded in bearing block, action balance performance test of going forward side by side.In this base
On plinth, qualified and by dynamic balancing measurement drive mandrel will be processed and passed through out of drive sleeve, loaded in drive sleeve, pass through flat key
Mandrel is connected with drive sleeve, driving torque.When mandrel needs to change, mandrel end cap, flat key only need to be dismantled, you can by mandrel
Take out and change from drive sleeve, it is easy for installation.Solve loading axis mechanism SMIS axle to change, it is not necessary to dismantle bearing, replacing side
Just problem.
Brief description of the drawings
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the utility model section view.
Fig. 2 is the utility model front view.
Embodiment
A kind of revolution at a high speed bearing block, including adapter sleeve 1, connection ringfeder 2, expansion sleeve 3, rear bearing (ball) cover 4, drive mandrel
9th, power transmission set 10, bearing block 11, fore bearing end cap 15, gland 17, safty shield 18, axle sleeve platen 16；
The adapter sleeve 1 is installed on connection ringfeder 2, and connection ringfeder 2 is installed on power transmission set 10 by expansion sleeve 3
On, preferably, connection ringfeder 2 is fixedly connected on power transmission set 10 by expansion sleeve 3；
Power transmission covers 10 the week side of boss and is provided with bearing block 11, and preferably, bearing block 11 is hollow circular cylinder, both ends open；
The one end of bearing block 11 has been bolted rear bearing (ball) cover 4, and the other end has been bolted fore bearing end cap
15,15 another surface of fore bearing end cap is provided with gland 17；
Preferably, the junction of power transmission set 10 and rear bearing (ball) cover 4 and fore bearing end cap 15 is respectively and fixedly provided with sealing ring
5；
Safty shield 18 is installed, the gland 17 is used to fix safty shield 18 at the one end open of bearing block 11；
Power transmission covers 10 the week side of boss and is fixed with deep groove ball bearing 6, angular contact ball bearing 13, self-locking nut 8, preferably, deep
Ditch ball bearing 6 and the side of angular contact ball bearing 13 are respectively and fixedly provided with a self-locking nut 8, deep groove ball bearing 6 and angular contact ball bearing
Oil baffle disc 7 is respectively and fixedly provided between 13 and self-locking nut 8；
Preferably, spacer 14 is fixed between angular contact ball bearing 13 and sealing ring 5, the spacer 14 is fixed on power biography
10 the week side of boss of dynamic set；
Power transmission set 10 is used for fixed conveyor mandrel 9, and drive mandrel 9 covers 10 one end junctions with power transmission and passes through axle
Set platen 16 is fixed, and the axle sleeve platen 16 is secured by bolts in power transmission and covers 10 one end；
Preferably, drive mandrel 9 installs flat key 12 after balance test in the week side of boss of drive mandrel 9；
Preferably, the flat key 12 is high-precision flat key.
One embodiment of the present utility model is as follows：
Deep groove ball bearing 6 and angular contact ball bearing 13 are assembled to power transmission in advance and cover 10 the week side of boss, and passes through self-locking spiral shell
Mother 8 is fixed on power transmission and covered on 10 outer walls；The power transmission set 10 for assembling completion is attached in bearing block 11, then successively will
Adapter sleeve 1, expansion set 2 is connected, expansion sleeve 3, rear bearing (ball) cover 4 is installed on the one end of bearing block 11, afterwards successively by front axle socket end
Lid 15, safty shield 18 are installed on the other end of bearing block 11, action balance of going forward side by side test.
The high-precision both sides of flat key 20 are symmetrically assembled to qualified and by dynamic balancing measurement the week side of boss of drive mandrel 9 of manufacture,
By in the overall bearing block power transmission set for loading the above of drive mandrel 9；10 two end axles are covered by drive mandrel 9 and power transmission
The high accuracy in hole, which coordinates, ensures that drive mandrel 9 and power transmission set 10 are coaxial.After assembling in place, load axle sleeve platen 16 and fix biography
The axial location of moving mandrel 9, the assembling of revolution at a high speed bearing block are completed.
Above content is only to the utility model structure example and explanation, the technology people of affiliated the art
Member is made various modifications or supplement to described specific embodiment or substituted using similar mode, without departing from reality
With new structure or surmount scope defined in the claims, the scope of protection of the utility model all should be belonged to.
Claims (8)
1. a kind of revolution at a high speed bearing block, it is characterised in that including adapter sleeve (1), connection ringfeder (2), expansion sleeve (3), rear axle
Socket end lid (4), drive mandrel (9), power transmission set (10), bearing block (11), fore bearing end cap (15), gland (17), safety
Protective cover (18), axle sleeve platen (16)；
Adapter sleeve (1) the connection ringfeder (2), by expansion sleeve (3) tensioner, connection ringfeder (2) is fixed on drive sleeve (10)
On；
Power transmission set (10) the week side of boss is provided with bearing block (11)；
Safty shield (18) is installed, gland (17) is used to fix safty shield at bearing block (11) one end open
(18)；
Described bearing block (11) one end has been bolted rear bearing (ball) cover (4), and the other end has been bolted fore bearing
End cap (15)；
Power transmission set (10) the week side of boss is fixed with deep groove ball bearing (6), angular contact ball bearing (13), self-locking nut (8).
A kind of 2. revolution at a high speed bearing block according to claim 1, it is characterised in that：The table of fore bearing end cap (15) one
Face is provided with gland (17).
A kind of 3. revolution at a high speed bearing block according to claim 1, it is characterised in that：The power transmission set (10) is with after
The junction of bearing (ball) cover (4) and fore bearing end cap (15) is respectively and fixedly provided with sealing ring (5).
A kind of 4. revolution at a high speed bearing block according to claim 1, it is characterised in that：The deep groove ball bearing (6) and angle
Contact ball bearing (13) side is respectively and fixedly provided with a self-locking nut (8).
A kind of 5. revolution at a high speed bearing block according to claim 1, it is characterised in that：The angular contact ball bearing (13) with
Spacer (14) is fixed between sealing ring (5), the spacer (14) is fixed on power transmission set (10) end face.
A kind of 6. revolution at a high speed bearing block according to claim 1, it is characterised in that：Drive mandrel (9) the week side of boss peace
Equipped with flat key (12).
A kind of 7. revolution at a high speed bearing block according to claim 1, it is characterised in that：The deep groove ball bearing (6) and angle
Oil baffle disc (7) is respectively and fixedly provided between contact ball bearing (13) and self-locking nut (8).
A kind of 8. revolution at a high speed bearing block according to claim 1, it is characterised in that：The drive mandrel (9) and power
Drive sleeve (10) one end junction is fixed by axle sleeve platen (16), and the axle sleeve platen (16) is secured by bolts in power biography
Dynamic set (10) one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720100685.6U CN206747600U (en) | 2017-01-24 | 2017-01-24 | A kind of revolution at a high speed bearing block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720100685.6U CN206747600U (en) | 2017-01-24 | 2017-01-24 | A kind of revolution at a high speed bearing block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206747600U true CN206747600U (en) | 2017-12-15 |
Family
ID=60607513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720100685.6U Expired - Fee Related CN206747600U (en) | 2017-01-24 | 2017-01-24 | A kind of revolution at a high speed bearing block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206747600U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505855A (en) * | 2018-12-29 | 2019-03-22 | 无锡市朗迪测控技术有限公司 | New energy electromechanical testing platform high speed large torque main shaft |
| CN111451792A (en) * | 2020-05-13 | 2020-07-28 | 浙江双正科技股份有限公司 | Machine tool |
-
2017
- 2017-01-24 CN CN201720100685.6U patent/CN206747600U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505855A (en) * | 2018-12-29 | 2019-03-22 | 无锡市朗迪测控技术有限公司 | New energy electromechanical testing platform high speed large torque main shaft |
| CN109505855B (en) * | 2018-12-29 | 2024-01-30 | 无锡市朗迪测控技术有限公司 | High-speed large-torque main shaft of new energy motor test board |
| CN111451792A (en) * | 2020-05-13 | 2020-07-28 | 浙江双正科技股份有限公司 | Machine tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 Termination date: 20210124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |