CN208623260U - A kind of segmented crossing spline penetration pipe axis and the marine tidal-current energy unit including it - Google Patents
A kind of segmented crossing spline penetration pipe axis and the marine tidal-current energy unit including it Download PDFInfo
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- CN208623260U CN208623260U CN201820545710.6U CN201820545710U CN208623260U CN 208623260 U CN208623260 U CN 208623260U CN 201820545710 U CN201820545710 U CN 201820545710U CN 208623260 U CN208623260 U CN 208623260U
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Abstract
The utility model discloses a kind of segmented crossing spline penetration pipe axis and including its marine tidal-current energy unit, belong to the ancillary equipment field of marine tidal-current energy unit, including the front tube axis and rear pipe axis axially connected, the front tube axis and rear pipe axis are connected using cruciate flower keyed, and the front tube axis and rear pipe axis are connected separately with spring bearing close to junction.The utility model solves the problems, such as elongated shaft deflection deformation using segmented penetration pipe axis, and torque appropriate can be transmitted, simultaneously junction reserve tolerance clearance avoided positioning because interference risk, and guarantee stiffness of a shaft section close to junction installation spring bearing in front tube axis and rear pipe axis.
Description
Technical field
The utility model relates to the ancillary equipment fields of marine tidal-current energy unit, wear more particularly to a kind of segmented crossing spline
Spool axis and marine tidal-current energy unit including it.
Background technique
China sea area is vast, and huge energy is contained in ocean, thus develop and utilize marine tidal-current energy unit come generate electricity by
It gradually rises and becomes trend.
The hub interior of marine tidal-current energy unit has blade pitch device and pitch control cabinet, has lubricating system and biography inside gear-box
The electric components such as sensor, the route of these components are required to transmit a signal to control cabinet plus slip ring by a root canal axis, institute
With in marine tidal-current energy unit, the reasonability and reliability of pipe axis are particularly important.
Be directed to marine tidal-current energy unit at present, most of producer using similar Wind turbines integral type pipe axis, this kind of zero
Part is not only difficult to fabricate, but also because length is too long so that outlet interference problem is assembled, in addition the deflection deformation of elongated shaft, is being transported
It is easy to appear failures in turning.
Utility model content
The purpose of the utility model is to provide it is a kind of be able to solve pipe shaft distortion it is excessive and can evade interference risk segmentation
Formula crossing spline penetration pipe axis and marine tidal-current energy unit including it.
To achieve the above objectives, the present invention adopts the following technical solutions:
On the one hand, the utility model provides a kind of segmented crossing spline penetration pipe axis, including the front tube axis axially connected
With rear pipe axis, the front tube axis is connected with rear pipe axis using cruciate flower keyed, and the front tube axis and rear pipe axis are close to connection punishment
Spring bearing is not connected with it.
Further, there are two notches for the rear end setting of the front tube axis, and there are two convex for the front end setting of the rear pipe axis
It rises for being cooperatively connected with the notch, the tolerance clearance of 0.5mm is equipped at mating connection.
Further, the spring bearing be ball bearing, at least there are two.
Further, the ball bearing is deep groove ball bearing.
Further, the front end of the front tube axis is provided with L-type flange, the arm parallel with front tube axis on the L-type flange
On be provided at least three axial direction static seals.
Further, the axial static is sealed into four, is located at upper on arm parallel with front tube axis on L-type flange
Lower two sides, every side twice.
Further, at least radial static seal together is additionally provided on arm vertical with front tube axis on the L-type flange.
Further, the front end of the front tube axis protrudes from L-type flange.
On the other hand, a kind of marine tidal-current energy unit is provided, including the segmented crossing spline penetration pipe axis.
It further, further include sequentially connected wheel hub, gear-box, connecting cabin and generator, which is characterized in that before described
Pipe axis connection is in gear-box, and the front end of front tube axis is connect with wheel hub, and the rear pipe axis connection is in generator, the threading
If passing through main line in pipe axis, the intermediate connections of the penetration pipe axis are present in connecting cabin.
Due to the adoption of the above technical scheme, the utility model at least has the following advantages:
(1) the utility model solves the problems, such as elongated shaft deflection deformation using segmented penetration pipe axis, and can transmit suitable
When torque, while junction reserve tolerance clearance avoided positioning because interference risk, and leaned in front tube axis and rear pipe axis
Nearly junction installation spring bearing guarantees stiffness of a shaft section.
(2) the crossing spline connection type of the use of the utility model not only can be in vision dead zone convenient for assembly, but also can be with
Transmit torque appropriate；The utility model solves the problems, such as forward end seal using radial and axial combination static seal mode；This is practical
It is novel to use spring bearing support tube axis medial section junction, it ensure that the rigidity of shaft part well.
(3) the utility model had not only been able to satisfy pipe axis forward end seal and both ends support problem, but also can solve and deform excessive and advise
Keep away interference risk.
(4) the utility model installation is simple, and interchangeability is good, and high reliablity, long service life, ease for maintenance is strong, cost performance
Height, use scope are wide.
Detailed description of the invention
Above-mentioned is only the general introduction of technical solutions of the utility model, in order to better understand the technology hand of the utility model
Section, below in conjunction with attached drawing, the utility model is described in further detail with specific embodiment.
Fig. 1 is that the segmented crossing spline penetration pipe axis of the utility model is mounted on the structural representation in marine tidal-current energy unit
Figure；
Fig. 2 is the partial structure diagram of the front tube axis and rear pipe shaft connection place in the marine tidal-current energy unit of the utility model；
Fig. 3 is the front tube axle construction schematic diagram of the utility model；
Fig. 4 is the rear end enlarged structure schematic diagram of the front tube axis of the utility model；
Fig. 5 is that the segmented crossing spline penetration pipe axis of the utility model is mounted on another angle in marine tidal-current energy unit
Schematic cross-sectional view；
Fig. 6 is enlarged diagram at the A of Fig. 5.
Specific embodiment
The utility model provides a kind of embodiment of segmented crossing spline penetration pipe axis, as shown in Fig. 1 to Fig. 6, including
The front tube axis 1 and rear pipe axis 2 axially connected, front tube axis 1 and rear pipe axis 2 are connected using cruciate flower keyed, front tube axis 1 and rear pipe axis
2 are connected separately with spring bearing 3 close to junction.
When the utility model is used, front tube axis is connected with rear pipe axis by spline, the leading portion of front tube axis is fixed to
On gear-box, the back segment of rear pipe axis is mounted on motor, and interlude in connecting cabin, fixed using spring bearing by intermediate stage
On the armature spindle of gear-box and/or generator, it is ensured that the rigidity of shaft part.The utility model uses segmented penetration pipe axis
And spring bearing is being installed close to junction, to solve the problems, such as elongated shaft deflection deformation, and torque appropriate can be transmitted, simultaneously
Junction reserve tolerance clearance avoided positioning because interference risk.
Further, there are two notches 10 for the rear end setting of front tube axis 1, and there are two protrusions to use for the front end setting of rear pipe axis 2
It is cooperatively connected in two notches 10, the tolerance clearance of 0.5mm is equipped at mating connection.As shown in Figure 3, Figure 4, front tube axis 1
Two notches 10 make the rear end of front tube axis 1 form two flanges 11, and flange 11 is connected with the male cooperation of rear 2 front end of pipe axis, shape
It is connected at cruciate flower keyed.This kind of structure had not only made that but also torque appropriate can be transmitted convenient for assembly in vision dead zone, when design
It is reserved with the tolerance clearance of 0.5mm among the cooperation of protrusion and notch, prevented positioning from causing to interfere.
In order to preferably guarantee the rigidity of shaft part, spring bearing is ball bearing, and at least there are two ball bearings for solid respectively
It is scheduled in gear-box 7 and armature spindle 8.Two ball bearings are arranged close to the junction of front tube axis and rear pipe axis, play support and add
Solid effect.
Preferably, ball bearing is deep groove ball bearing.
In order to solve the problems, such as forward end seal, the front end of front tube axis 1 is provided with L-type flange 6, on L-type flange 6 with front tube axis 1
At least three axial direction static seals 4 are provided on parallel arm.Static seal, can be to prevent using the flexible sealing mode of sealing ring
Only oil and water enter pipe axis inner hole.
In order to obtain more reasonable axial seal scheme, axial static is sealed into four, is located on L-type flange 6 with before
Two sides up and down on the parallel arm of pipe axis 1, every side twice.
It is additionally provided on the arm vertical with front tube axis 1 in order to cooperate axial seal, on L-type flange 6 at least radial quiet together
Sealing 5.
Further, the front end of front tube axis 1 protrudes from L-type flange 6.The front end of front tube axis 1 protrudes from the design of L shaped plate 6
Form, the You Heshui that can effectively prevent front end wheel hub before the leakage alarm early warning in wheel hub pour into pipe axis.
The encapsulation scheme of the front tube axis front end of the utility model, using four axial direction static seals 4 plus radial quiet close together
The form of envelope 5, five again insurance prevent oil and water from entering pipe axis inner hole, and inner hole is using the design shape for protruding from L shape flange 6
Formula, the You Heshui that can effectively prevent front end wheel hub before the leakage alarm early warning in wheel hub pour into pipe axis.
When the utility model is used, front tube axis is connected with rear pipe axis by cruciate flower keyed, the leading portion of front tube axis is solid
Determine onto gear-box, the back segment of rear pipe axis is mounted on motor, and for interlude in connecting cabin, intermediate stage utilizes deep-groove ball axis
It holds and is fixed on the armature spindle of gear-box and/or generator, can be very good the rigidity for guaranteeing shaft part；Simultaneously by being arranged in L
The form of tetra- axial direction static seal radial shaft seals with together with of type flange Shang, five again insurance prevent oil and water enter in pipe axis
Hole, while front tube axis front end can be had before the leakage alarm early warning in wheel hub using the design form for protruding from L shape flange 6
Effect prevents the You Heshui of front end wheel hub from pouring into pipe axis.
The utility model solves elongated shaft bending deformation using ball bearing support at segmented penetration pipe axis and at least two
The problem of shape, avoided interfering risk caused by positioning using reserved 0.5mm tolerance clearance；It is quiet using radial and axial combination
Sealing means solve the problems, such as forward end seal；The segmented penetration pipe axis of the utility model by be both able to satisfy pipe axis forward end seal and
Both ends support problem, and can solve and deform excessive and evade interference risk.
Structure is simple and easy to implement for the forward end seal of the utility model, and high reliablity, has prevented elongated shaft deflection deformation
Problems of too solves the difficult point that elongated shaft is difficult to fabricate.The utility model can it is accurate, efficiently, securely achieve tide
The function of stream energy penetration pipe axis.
On the other hand, a kind of marine tidal-current energy unit is provided, further includes above-mentioned segmented crossing spline penetration pipe axis.
It further, further include sequentially connected wheel hub, gear-box 7, connecting cabin and generator, front tube axis 1 is connected to tooth
In roller box 7, and the front end of front tube axis 1 is connect with wheel hub, and rear pipe axis 2 is connected in generator, if passing through main line in penetration pipe axis
The middle section on road, line pipe axis is present in connecting cabin.
The utility model solves the problems, such as elongated shaft deflection deformation using segmented penetration pipe axis, and can transmit appropriate
Torque, at the same junction reserve tolerance clearance avoided positioning because interference risk, and in front tube axis and rear pipe axis close to even
It connects place's installation deep groove ball bearing and guarantees stiffness of a shaft section.The crossing spline connection type that the utility model uses both can be blind in vision
Area can transmit torque appropriate convenient for assembly；Before the utility model is solved using radial and axial combination static seal mode
Hold sealing problem.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation, those skilled in the art make a little simple modification, equivalent variations or modification using the technology contents of the disclosure above,
It falls within the protection scope of the present utility model.
Claims (10)
1. a kind of segmented crossing spline penetration pipe axis, which is characterized in that described including the front tube axis and rear pipe axis axially connected
Front tube axis and rear pipe axis are connected using cruciate flower keyed, and the front tube axis and rear pipe axis are connected separately with support shaft close to junction
It holds.
2. segmented crossing spline penetration pipe axis according to claim 1, which is characterized in that the rear end of the front tube axis is set
Set there are two notch, it is described after the front end setting of pipe axis there are two protrusions for being cooperatively connected with the notch, at mating connection
Tolerance clearance equipped with 0.5mm.
3. segmented crossing spline penetration pipe axis according to claim 1, which is characterized in that the spring bearing is ball axis
Hold, at least there are two.
4. segmented crossing spline penetration pipe axis according to claim 3, which is characterized in that the ball bearing is deep-groove ball
Bearing.
5. segmented crossing spline penetration pipe axis according to any one of claims 1 to 4, which is characterized in that the front tube axis
Front end be provided with L-type flange, be provided at least three axial direction static seals on the arm parallel with front tube axis on the L-type flange.
6. segmented crossing spline penetration pipe axis according to claim 5, which is characterized in that the axial static is sealed into four
Road is located at the two sides up and down on arm parallel with front tube axis on L-type flange, every side twice.
7. segmented crossing spline penetration pipe axis according to claim 6, which is characterized in that on the L-type flange with before
At least one radial static seal is additionally provided on the vertical arm of pipe axis.
8. segmented crossing spline penetration pipe axis according to claim 5, which is characterized in that the preceding distal process of the front tube axis
For L-type flange.
9. a kind of marine tidal-current energy unit, which is characterized in that including the described in any item segmented crossing spline threading of claim 1-8
Pipe axis.
10. marine tidal-current energy unit axis according to claim 9 further includes sequentially connected wheel hub, gear-box, connecting cabin and hair
Motor, which is characterized in that the front tube axis connection is in gear-box, and the front end of front tube axis is connect with wheel hub, the rear pipe axis
It is connected in generator, if passing through main line in the penetration pipe axis, the intermediate connections of the penetration pipe axis are present in connection
In cabin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820545710.6U CN208623260U (en) | 2018-04-17 | 2018-04-17 | A kind of segmented crossing spline penetration pipe axis and the marine tidal-current energy unit including it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820545710.6U CN208623260U (en) | 2018-04-17 | 2018-04-17 | A kind of segmented crossing spline penetration pipe axis and the marine tidal-current energy unit including it |
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| Publication Number | Publication Date |
|---|---|
| CN208623260U true CN208623260U (en) | 2019-03-19 |
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| CN201820545710.6U Active CN208623260U (en) | 2018-04-17 | 2018-04-17 | A kind of segmented crossing spline penetration pipe axis and the marine tidal-current energy unit including it |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108336700A (en) * | 2018-04-17 | 2018-07-27 | 国电联合动力技术有限公司 | A kind of segmented crossing spline penetration pipe axis and the marine tidal-current energy unit including it |
-
2018
- 2018-04-17 CN CN201820545710.6U patent/CN208623260U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108336700A (en) * | 2018-04-17 | 2018-07-27 | 国电联合动力技术有限公司 | A kind of segmented crossing spline penetration pipe axis and the marine tidal-current energy unit including it |
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