CN209041309U - The long transmission shaft of rigidity - Google Patents
The long transmission shaft of rigidity Download PDFInfo
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- CN209041309U CN209041309U CN201821498367.0U CN201821498367U CN209041309U CN 209041309 U CN209041309 U CN 209041309U CN 201821498367 U CN201821498367 U CN 201821498367U CN 209041309 U CN209041309 U CN 209041309U
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- axle sleeve
- long axis
- long
- transmission shaft
- bearing
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Abstract
The utility model discloses a kind of long transmission shafts of rigidity, traditional long transmission shaft be can solve using several constant speed cage Hooks coupling universal couplings, remote power transmission is carried out by bearing support connection, to which low-speed situations can only be suitble to, after revolving speed is more than 8000rpm, due to the limitation of constant speed cage Hooks coupling universal coupling, can not be run under higher revolving speed.Although carrying out remote power transmission using carbon fiber long axis, the range of speeds of transmitting can be improved, cost is very high, in addition, the biggish carbon fiber hollow shaft of outer diameter is needed to improve the torque of transmitting, in addition, the problem that the installation centering of long axis is extremely inconvenient.Including two sleeve blocks and axle sleeve one positioned there between, axle sleeve two, is worn inside the axle sleeve one and the axle sleeve two and be connected to long axis, yielding coupling is installed between the long axis.It is not only more stable in work, while can guarantee coaxially to be no more than 0.02mm, meet the revolving speed transmitting of 15000rpm.
Description
Technical field
The utility model relates to a kind of long transmission shafts, and in particular to a kind of long transmission shaft of rigidity.
Background technique
When long transmission shaft high-speed transfer, under the premise of guaranteeing transmission quality, design meeting shortening transmission range as far as possible, but
Under abnormal test conditions, the long axis transmission of certain length not can avoid again under real world conditions, and in general, equipment is in high revolving speed
Under the conditions of avoid long distance transmission, the reasons are as follows: first is that resonance problem, long distance transmission needs a stable axis
System is to support, and durings design, production, assembly etc., one is not accomplished position, and resonance problem can all seem abnormal prominent；Second is that
Equipment limit, high-speed transfer requires equipment adaptation to keep good rotary state, without exception in speed gamut, to eliminate
Most of shaft coupling forms, bearing connection type, shafting.
Existing long transmission shaft uses several constant speed cage Hooks coupling universal couplings, by bearing support connection, carries out long distance
Mode from power transmission can only be suitble to low-speed situations, after revolving speed is more than 8000rpm, due to constant speed cage Hooks coupling universal coupling
Limitation, can not be run under higher revolving speed.Although carrying out remote power transmission using carbon fiber long axis, biography can be improved
The range of speeds passed, but cost is very high, in addition, the biggish carbon fiber hollow shaft of outer diameter is needed to improve the torque of transmitting, this
Outside, the installation centering of long axis is extremely inconvenient.
Utility model content
The purpose of this utility model is to provide a kind of long transmission shafts of rigidity, use if can solve traditional long transmission shaft
Dry constant speed cage Hooks coupling universal coupling carries out the mode of remote power transmission by bearing support connection, can only be suitble to low speed
Situation, due to the limitation of constant speed cage Hooks coupling universal coupling, can not be run after revolving speed is more than 8000rpm under higher revolving speed.
Although carrying out remote power transmission using carbon fiber long axis, the range of speeds of transmitting can be improved, cost is very high, this
Outside, it is the torque for improving transmitting, needs the biggish carbon fiber hollow shaft of outer diameter, in addition, the installation centering of long axis extremely inconvenience
Problem.
The purpose of this utility model can be achieved through the following technical solutions:
The long transmission shaft of rigidity, including two sleeve blocks and axle sleeve one positioned there between, axle sleeve two, the axle sleeve one
It is connected to long axis with wearing inside the axle sleeve two, yielding coupling, the axle sleeve one and the axis are installed between the long axis
There is long axis to support chamber inside set two, the long axis is mounted on the long axis and supports intracavitary portion, and two long axis both ends are pacified
Equipped with bearing, long axis intermediate connections both ends are also mounted on the bearing, and the axle sleeve one and the axle sleeve two
Junction is internally provided with fixing structure, installs the yielding coupling, the yielding coupling two inside the fixing structure
End is separately connected two long axis, is locked between two long axis by locking nut, the axle sleeve one and the axle sleeve
The axle sleeve sliding seat of energy transverse shifting is installed between two, the long axis inner side step structure two sides are mounted on Limit Bearing,
The end cap and the locking nut are installed on the outside of the long axis.
Preferably, the bearing two sides are mounted on fog lubrication spacer ring, and are equipped with oil on the fog lubrication spacer ring
Air lubricating oil pipe, the fog lubrication spacer ring are equipped with end cap close to long axis end side；When using grease lubrication mode, institute
It states bearing two sides and is mounted on the grease lubrication spacer, the grease lubrication spacer is equipped with described close to long axis end side
End cap, the cover internal of two ways are all made of the spring pre-tightening structure and pre-tighten, and are equipped with spacer on the inside of the end cap,
The end cap is locked by locking nut.
Preferably, the side between two long axis by splicing between two axle sleeves and yielding coupling is fixedly connected
Formula constitutes sectionally smooth join formula structure.
Preferably, including the axle sleeve one jointly protects yielding coupling with the axle sleeve two, the axle sleeve one and institute
It states including axle sleeve two protects long axis, and axle sleeve one and two both ends of axle sleeve are mounted on the High speed Angular Contact Ceramic ball by spring pre-tightening
Bearing.
Preferably, by being located at locking end and connector pair inside seam allowance between the axle sleeve one and the axle sleeve two
In, and seam allowance passes through high-precision working process.
Preferably, it is connected between the adjacent both ends of two long axis by yielding coupling centering.
Preferably, it is movably connected between the axle sleeve sliding seat and axle sleeve, and axle sleeve sliding seat and two sleeve blocks three
Center height between person is identical.
Preferably, the bottom surface both ends of the axle sleeve sliding seat and two sleeve blocks are provided with the locating slot of guiding.
The utility model has the beneficial effects that the height of relatively long distance may be implemented using the structure of segmentation axle sleeve and axis splicing
Quick-action power transmitting, and transmit distance it is longer, be segmented it is more, the revolving speed being able to achieve is lower.
Axle sleeve can either play the protection to high-speed rotating shaft, while design has High speed Angular Contact Ceramic ball axis at the both ends of axle sleeve
It holds, and by the way of spring pre-tightening, the rigidity of axis can be improved, improve the first critical speed of shafting, realize high-revolving
Rotation.
It, can be in the axle sleeve two sides of combination by the seam allowance connection structure of machining high-precision by the way of axle sleeve splicing
Realize the high accuracy of alignment of two splicing axis.
It is connected between two sections of splicing axis in axle sleeve using yielding coupling, caused by can offsetting because of reasons such as processing
The amount of misaligning.
The axle sleeve both ends of every section of splicing are designed with bearing bracket, respectively sleeve block, axle sleeve sliding seat, meanwhile, it is intermediate
Bracket and axle sleeve sliding seat by the way of it can move adjustment, by adjusting intermediate axle sleeve sliding seat, adjustable shafting
First critical speed, cause a deviation from maximum speed point.
Axle sleeve sliding seat is used between two sleeve blocks, and the center height bottom surface that is identical, while connecting with pedestal of three
Design has guide-localization slot, so, it is ensured that when remote transmitting power, without special adjustment centering, that is, can guarantee very
High accuracy of alignment, this scheme can guarantee coaxially to be no more than 0.02mm, can satisfy the revolving speed transmitting of 15000rpm.
Detailed description of the invention
In order to facilitate the understanding of those skilled in the art, the utility model will be further described below with reference to the accompanying drawings.
Fig. 1 is the overall structure diagram that the utility model uses fog lubrication mode；
Fig. 2 is the utility model top view；
Fig. 3 is the utility model section figure；
Fig. 4 is the utility model right view；
Fig. 5 is the fixing structure schematic diagram in I region in the utility model Fig. 3；
Fig. 6 is the guide groove structure schematic diagram in II region in the utility model Fig. 4；
Fig. 7 is the spring pre-tightening structural schematic diagram in III region in the utility model Fig. 3；
Fig. 8 is the overall structure diagram that the utility model uses grease lubrication mode；
In figure: 1, sleeve block；2, axle sleeve sliding seat；3, long axis；4, yielding coupling；5, axle sleeve one；6, axle sleeve two；7, axis
It holds；8, fog lubrication spacer ring；9, spacer；10, end cap；11, locking nut；12, oil-air lubrication oil pipe；13, spring pre-tightening structure；
14, grease lubrication spacer.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with embodiment, it is clear that described
Embodiment be only the utility model a part of the embodiment, instead of all the embodiments.Based on the reality in the utility model
Example is applied, all other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the range of the utility model protection.
It please refers to shown in Fig. 1-8, the long transmission shaft of rigidity, including two sleeve blocks 1 and axle sleeve one positioned there between
5, it is worn inside axle sleeve 26, axle sleeve 1 and axle sleeve 26 and is connected to long axis 3, yielding coupling 4, axle sleeve one are installed between long axis 3
5 support chamber with there is long axis inside axle sleeve 26, and long axis 3 is mounted on long axis and supports intracavitary portion, and two 3 both ends of long axis are mounted on
Bearing 7,3 intermediate connections both ends of long axis are also mounted on bearing 7, and axle sleeve 1 and the junction of axle sleeve 26 are internally provided with
Yielding coupling 4 is installed in fixing structure, fixing structure inside, and 4 both ends of yielding coupling are separately connected two long axis 3, two long
It is locked between axis 3 by locking nut 11, the axle sleeve sliding seat 2 of energy transverse shifting is installed between axle sleeve 1 and axle sleeve 26,
3 inner side step structure two sides of long axis are mounted on Limit Bearing, installation end cap 10 and locking nut 11 on the outside of long axis 3.
As shown in figure 3,7 two sides of bearing are mounted on fog lubrication spacer ring 8, and mist of oil moistens when using fog lubrication mode
Oil-air lubrication oil pipe 12 is installed on sliding spacer ring 8, fog lubrication spacer ring 8 is equipped with end cap 10 close to 3 end side of long axis；Such as figure
Shown in 8, when using grease lubrication mode, 7 two sides of bearing are mounted on grease lubrication spacer 14, and grease lubrication spacer 14 is close to 3 end of long axis
Portion side is equipped with end cap 10, and the preload of spring pre-tightening structure 13 is all made of inside the end cap 10 of two ways, is pacified on the inside of end cap 10
Equipped with spacer 9, end cap 10 is locked by locking nut 11.
It is constituted point in such a way that splicing and yielding coupling 4 between two axle sleeves are fixedly connected between two long axis 3
The high speed motive force transmitting of relatively long distance may be implemented in section splicing structure, and transmitting distance is longer, and the segmentation that can increase is more,
The revolving speed being then able to achieve is lower.
Including axle sleeve 1 and axle sleeve 26 jointly protect yielding coupling 4, axle sleeve 1 protects long axis 3 with axle sleeve 26
Inside, and axle sleeve 1 and 26 both ends of axle sleeve are mounted on the high-speed angular contact ball bearing by spring pre-tightening, both using axle sleeve
It plays and high-speed rotating axis is protected, and can be played by the high-speed angular contact ball bearing of spring pre-tightening and improve axis
Rigidity, improves the first critical speed of shafting, realizes the effect of high revolving speed rotation.
By being located at locking end and connector centering inside seam allowance between axle sleeve 1 and axle sleeve 26, and seam allowance passes through
High-precision working process, using the centering of locking end and connector inside seam allowance, the height that two splicing axis may be implemented is right
Middle precision.
It is connected between the adjacent both ends of two long axis 3 by 4 centering of yielding coupling, axis itself and axis can be offset
Flange etc. is because of the amount of misaligning caused by reasons such as processing.
It is movably connected between axle sleeve sliding seat 2 and axle sleeve, and between axle sleeve sliding seat 2 and two 1 threes of sleeve block
Center height is identical, and by adjusting axle sleeve sliding seat 2, the first critical speed of adjustable shafting causes a deviation from maximum speed point,
And the center height between axle sleeve sliding seat 2 and two 1 threes of sleeve block is identical, it is ensured that when remote transmitting power, do not have to
Special adjustment centering can guarantee very high accuracy of alignment, thereby may be ensured that and is coaxially no more than 0.02mm, meet
The revolving speed of 15000rpm transmits.
The bottom surface both ends of axle sleeve sliding seat 2 and two sleeve blocks 1 are provided with the locating slot of guiding, so that whole device
Position can by stablize fix.
When the utility model is used, firstly, complete the assembling of whole device, between two long axis 3 by axle sleeve 1 with
The mode that splicing and yielding coupling 4 are fixedly connected between axle sleeve 26 constitutes sectionally smooth join formula structure, and longer-range may be implemented
From high speed motive force transmitting, transmitting distance it is longer, the segmentation that can increase is more, then the revolving speed being able to achieve is lower, and axle sleeve
Including one 5 jointly protect yielding coupling 4 with axle sleeve 26, including axle sleeve 1 protects long axis 3 with axle sleeve 26, and axle sleeve
One 5 are mounted on the high-speed angular contact ball bearing by spring pre-tightening with 26 both ends of axle sleeve, have both been played using axle sleeve and have been revolved to high speed
The axis turned is protected, and the rigidity for improving axis can be played by the high-speed angular contact ball bearing of spring pre-tightening, improves axis
The first critical speed of system realizes the effect of high revolving speed rotation.By being located inside seam allowance between axle sleeve 1 and axle sleeve 26
Lock end and connector centering, and seam allowance is by high-precision working process, using inside seam allowance locking end and connector
Centering, may be implemented two splicing axis high accuracy of alignments.Pass through yielding coupling 4 between the adjacent both ends of two long axis 3
Centering connection can offset flange of axis itself and axis etc. because of the amount of misaligning caused by reasons such as processing.Axle sleeve sliding seat 2 with
Center height between two 1 threes of sleeve block is identical, by adjusting axle sleeve sliding seat 2, critical turn of the single order of adjustable shafting
Speed causes a deviation from maximum speed point, simultaneously because the center height between three is identical, it is ensured that when remote transmitting power,
It can guarantee very high accuracy of alignment without special adjustment centering, and be coaxially no more than 0.02mm, meet 15000rpm's
Revolving speed transmitting.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (8)
1. the long transmission shaft of rigidity, including two sleeve blocks (1) and axle sleeve one (5) positioned there between, axle sleeve two (6), institute
It states to wear inside axle sleeve one (5) and the axle sleeve two (6) and be connected to long axis (3), yielding coupling is installed between the long axis (3)
(4), which is characterized in that there is long axis to support chamber, long axis (3) installation inside the axle sleeve one (5) and the axle sleeve two (6)
Intracavitary portion is supported in the long axis, two long axis (3) both ends are mounted on bearing (7), long axis (3) intermediate connections
Both ends are also mounted on the bearing (7), and the junction of the axle sleeve one (5) and the axle sleeve two (6) is internally provided with only
The yielding coupling (4) is installed in mouth structure, the fixing structure inside, and yielding coupling (4) both ends are separately connected two
A long axis (3) is locked by locking nut (11) between two long axis (3), the axle sleeve one (5) and the axle sleeve
The axle sleeve sliding seat (2) of energy transverse shifting is installed, long axis (3) the inner side step structure two sides are mounted between two (6)
Limit Bearing, long axis (3) outside installation end cap (10) and the locking nut (11).
2. the long transmission shaft of rigidity according to claim 1, which is characterized in that when using fog lubrication mode, the bearing
(7) two sides are mounted on fog lubrication spacer ring (8), and oil-air lubrication oil pipe (12) are equipped on the fog lubrication spacer ring (8),
The fog lubrication spacer ring (8) is equipped with end cap (10) close to the long axis (3) end side；When using grease lubrication mode, institute
It states bearing (7) two sides to be mounted on grease lubrication spacer (14), the grease lubrication spacer (14) is close to the long axis (3) end side
It is equipped with the end cap (10), spring pre-tightening structure (13) preload is all made of inside the end cap (10) of two ways, it is described
It is equipped with spacer (9) on the inside of end cap (10), the end cap (10) is locked by locking nut (11).
3. the long transmission shaft of rigidity according to claim 1, which is characterized in that pass through two between two long axis (3)
The mode that splicing and yielding coupling (4) are fixedly connected between axle sleeve constitutes sectionally smooth join formula structure.
4. the long transmission shaft of rigidity according to claim 1, which is characterized in that the axle sleeve one (5) and the axle sleeve two
(6) including yielding coupling (4) being protected jointly, including the axle sleeve one (5) protects long axis (3) with the axle sleeve two (6),
And axle sleeve one (5) and axle sleeve two (6) both ends are mounted on the high-speed angular contact ball bearing by spring pre-tightening.
5. the long transmission shaft of rigidity according to claim 1, which is characterized in that the axle sleeve one (5) and the axle sleeve two (6)
Between by be located at seam allowance inside locking end and connector centering, and seam allowance pass through high-precision working process.
6. the long transmission shaft of rigidity according to claim 1, which is characterized in that the adjacent both ends of two long axis (3) it
Between by yielding coupling (4) centering connect.
7. the long transmission shaft of rigidity according to claim 1, which is characterized in that between the axle sleeve sliding seat (2) and axle sleeve
It is movably connected, and the center height between axle sleeve sliding seat (2) and two sleeve block (1) threes is identical.
8. the long transmission shaft of rigidity according to claim 1, which is characterized in that the axle sleeve sliding seat (2) and two axle sleeves
The bottom surface both ends of seat (1) are provided with the locating slot of guiding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821498367.0U CN209041309U (en) | 2018-09-13 | 2018-09-13 | The long transmission shaft of rigidity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821498367.0U CN209041309U (en) | 2018-09-13 | 2018-09-13 | The long transmission shaft of rigidity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209041309U true CN209041309U (en) | 2019-06-28 |
Family
ID=67033109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821498367.0U Active CN209041309U (en) | 2018-09-13 | 2018-09-13 | The long transmission shaft of rigidity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209041309U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099049A (en) * | 2018-09-13 | 2018-12-28 | 安徽精科检测技术有限公司 | The long transmission shaft of rigidity |
| CN113550983A (en) * | 2021-07-28 | 2021-10-26 | 云南科力环保股份公司 | Sectional long shaft connecting and supporting transmission device |
-
2018
- 2018-09-13 CN CN201821498367.0U patent/CN209041309U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099049A (en) * | 2018-09-13 | 2018-12-28 | 安徽精科检测技术有限公司 | The long transmission shaft of rigidity |
| CN113550983A (en) * | 2021-07-28 | 2021-10-26 | 云南科力环保股份公司 | Sectional long shaft connecting and supporting transmission device |
| CN113550983B (en) * | 2021-07-28 | 2022-11-29 | 云南科力环保股份公司 | Sectional long shaft connecting and supporting transmission device |
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