CN206958109U - A kind of drive shaft support structure - Google Patents
A kind of drive shaft support structure Download PDFInfo
- Publication number
- CN206958109U CN206958109U CN201720440060.4U CN201720440060U CN206958109U CN 206958109 U CN206958109 U CN 206958109U CN 201720440060 U CN201720440060 U CN 201720440060U CN 206958109 U CN206958109 U CN 206958109U
- Authority
- CN
- China
- Prior art keywords
- bushing
- support structure
- power transmission
- drive shaft
- transmission shaft
- 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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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a kind of drive shaft support structure, including be interference fitted coaxial of power transmission shaft and the first bushing and the second bushing that in axial direction extend, first bushing and the second bush inside are mutually communicated, the radial dimension of first bushing is more than the radial dimension of the second bushing, the one end of first bushing away from the second bushing is interference fitted with power transmission shaft, the one end for closing on the second bushing is provided with the oil guide groove to connect with the second bushing, and the radial dimension for being more than the second bushing with the radial dimension of the second bushing joint of oil guide groove, the second bushing are interference fitted with power transmission shaft.A kind of new drive shaft support structure of the present utility model, it is easy for installation easy to operate, solve and existing maintenance difficult problem is supported using bearing, and the supporting construction that the utility model uses has preferable wearability, can extend its usage time and then reduce cost.
Description
Technical field
The utility model belongs to power transmission shaft field, and in particular to a kind of new drive shaft support structure.
Background technology
The axis body supporting construction of power transmission shaft can play a part of supporting to power transmission shaft and prevent it from deforming, and especially be driven
When axle its length is long, protection is supported to power transmission shaft with greater need for supporting construction.Currently used supporting construction is semiaxis
Bearing block, drive shaft cartridge upper bearing (metal), then in bearing block, bearing block leans on holding screw card in the housing again, and use is such a
Supporting construction so that power transmission shaft maintenance is more difficult.
The content of the invention
The utility model is intended to solve above-mentioned technical problem to a certain extent.
In order to solve the above-mentioned technical problem, the utility model provides a kind of drive shaft support structure, including with power transmission shaft mistake
It is full of the coaxial of cooperation and the first bushing and the second bushing that in axial direction extend, in first bushing and second bushing
Portion is mutually communicated, and the radial dimension of first bushing is more than the radial dimension of second bushing, and first bushing is remote
One end of second bushing is interference fitted with power transmission shaft, and the one end for closing on second bushing is provided with and the second bushing phase
The oil guide groove connect, and the radial dimension for being more than the second bushing with the radial dimension of the second bushing joint of oil guide groove, described the
Two bushings are interference fitted with power transmission shaft.
Further, the oil guide groove closes on the size of the radial dimension more than the other end of described second bushing one end.
Further, the cross section of the oil guide groove is circular configuration.
Further, first bushing is provided with spacer pin.
Further, the circular arc that one end end of first bushing and power transmission shaft interference fit passes through chamfering structure
Section transition.
Further, the arc section transition that the both ends of second bushing pass through chamfering structure.
Further, first bushing, second bushing are one kind in stainless steel part or carbon-steel parts.
Further, it is coated with the inwall that first bushing, second bushing are interference fitted with the power transmission shaft
Copper alloy coating.
Further, the copper alloy coating thickness is 0.4~1.2mm.
A kind of new drive shaft support structure of the present utility model, transmission is supported using the first bushing, the second bushing
Axle, it is easy for installation easy to operate, solve and existing maintenance difficult problem is supported using bearing, and using the first bushing, the
Two bushings and power transmission shaft contact area are larger, the oil guide groove of setting can more preferable oil excessively be lubricated effect, reduce friction production
Raw abrasion, and the supporting construction that the utility model uses has preferable wearability, can extend its usage time and then reduction
Cost.
Brief description of the drawings
Fig. 1 is structural representation when being used cooperatively according to a kind of drive shaft support structure of the present utility model and power transmission shaft
Figure；
Fig. 2 is the partial enlarged drawing of A in Fig. 1.
Wherein, the 10, first bushing, 101, oil guide groove, the 20, second bushing, 30, power transmission shaft.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " first ", " second " are only used for describing purpose, and can not
It is interpreted as indicating or implies relative importance or imply the quantity of the technical characteristic indicated by indicating.Thus, define " the
One ", one or more this feature can be expressed or be implicitly included to the feature of " second ".In the description of the invention,
" multiple " are meant that two or more, unless otherwise specifically defined.
As shown in Figure 1 and Figure 2, according to a kind of drive shaft support structure of the utility model embodiment, including with power transmission shaft 30
Coaxial and the first bushing 10 and the second bushing 20 that in axial direction extend of interference fit, the first bushing 10 and the second bushing 20
Inside is mutually communicated, and the radial dimension of the first bushing 10 is more than the radial dimension of the second bushing 20, and the first bushing 10 is away from second
One end of bushing 20 is interference fitted with power transmission shaft, and the one end for closing on the second bushing 20 is provided with the oil guide groove to connect with the second bushing 20
101, and the radial dimension for being more than the second bushing 20 with the radial dimension of the joint of the second bushing 20 of oil guide groove 101, the second lining
Set 20 is interference fitted with power transmission shaft, the drive shaft support structure in the utility model, using the first bushing 10,20 sets of the second bushing
It is located on power transmission shaft 30 and is interference fitted support power transmission shaft 30 with power transmission shaft 30, it is easy for installation easy to operate, solve using bearing
Existing maintenance difficult problem is supported, and it is larger using the first bushing 10, the second bushing 20 and power transmission shaft contact area, the
The oil guide groove 101 set on one bushing 10 can be lubricated effect by oil excessively, reduce and worn caused by friction, and the supporting construction
With preferable wearability, its usage time can be extended and then reduce cost.
As shown in figure 1, oil guide groove 101 closes on the size of the radial dimension more than the other end of the one end of the second bushing 20, Oil Guide
Radial dimension that groove 101 is closed at the second bushing 20 set it is larger be easy to carry out oiling in this place, the other end size of oil guide groove 101
It is smaller then to carry out guide effect to the oil of injection, it is easier to enter through the first bushing 10 and the second bushing 20 and power transmission shaft mistake
Be full of the position of cooperation, the effect of being lubricated contacted to it, reduce when power transmission shaft 30 rotates with the first bushing 10 and the second bushing
The friction of 20 contacts site, extend the service life of drive shaft support structure.
The cross section of oil guide groove 101 is circular configuration, is provided in round structure and is easier to make for manufacturing.
First bushing 10 is provided with spacer pin, is easy to the first bushing 10 to be fixed.
As shown in figure 1, the arc section that one end end that the first bushing 10 is interference fitted with power transmission shaft 30 passes through chamfering structure
Transition, be advantageous to the friction that the first bushing 10 reduces both contacts site when power transmission shaft 30 rotates.
As shown in figure 1, the both ends of the second bushing 20 not only contribute to oil guide groove by the arc section transition of chamfering structure
The lubricating oil of 101 injections enters the position that the second bushing 20 is in contact with power transmission shaft 30, while is also beneficial to installation operation.
First bushing 10, the second bushing 20 are one kind in stainless steel part or carbon-steel parts, the first bushing 10, the second bushing 20
Copper alloy coating is coated with the inwall being interference fitted with power transmission shaft 30, and copper alloy coating thickness is 0.4~1.2mm, the coating
Can the first bushing 10, the frictional behaviour of the second bushing 20 and power transmission shaft contact site.
According to a kind of drive shaft support structure of the utility model embodiment, it is as follows using process：As shown in figure 1, the
One bushing 10, the second bushing 20 are set on power transmission shaft 30, the one end of the first bushing away from the second bushing 20 and the mistake of power transmission shaft 30
It is full of cooperation, the second bushing 20 is interference fitted with power transmission shaft 30, and one end that the first bushing 10 closes on the second bushing is provided with oil guide groove
101, and oil guide groove 101 connects with one end of the second bushing 20, one end radial dimension for closing on the second bushing of oil guide groove 101 is big
In the radial dimension of the second bushing 20, be easy to reserve space allow the oil that imports to the first bushing 10, the second bushing 20,
Power transmission shaft 30 realizes lubrication, is imported oil by the space between the bushing 20 of oil guide groove 101 and second, oil is along the first lining
The set position that the 10, second bushing 20 is flowed into the first bushing 10, the second bushing 20 contacts with power transmission shaft 30, is carried out to contact site
Lubrication, so that power transmission shaft 30 reduces when rotating and the friction between the first bushing 10, the second bushing 20, extend and pass
The usage time of moving axis 30 and drive shaft support structure.In 30 longer dimension of power transmission shaft, middle part easily occurs during rotation
Rock and influence to run well, drive shaft support structure provided by the utility model can play certain support to power transmission shaft 30
Effect, the problems such as avoiding power transmission shaft 30 from being rocked when rotating, and the drive shaft support structure relative to existing bearing, its
It is larger with the contact area of power transmission shaft 30, there is more preferable firm effect, and there is preferable wearability, get time extension into
And reduce cost.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (9)
1. a kind of drive shaft support structure, it is characterised in that including be interference fitted coaxial of power transmission shaft and in axial direction prolonging
The first bushing and the second bushing stretched, first bushing and second bush inside are mutually communicated, first bushing
Radial dimension is more than the radial dimension of second bushing, first bushing one end and power transmission shaft away from second bushing
Interference fit, the one end for closing on second bushing are provided with the oil guide groove that connects with second bushing, and oil guide groove with the
The radial dimension of two bushing joints is more than the radial dimension of the second bushing, and second bushing is interference fitted with power transmission shaft.
2. a kind of drive shaft support structure according to claim 1, it is characterised in that the oil guide groove closes on second lining
The radial dimension for covering one end is more than the size of the other end.
3. a kind of drive shaft support structure according to claim 1, it is characterised in that the cross section of the oil guide groove is circle
Structure.
4. a kind of drive shaft support structure according to claim 1, it is characterised in that first bushing is provided with spacing
Pin.
5. a kind of drive shaft support structure according to claim 1, it is characterised in that first bushing and the power transmission shaft
The arc section transition that one end end of interference fit passes through chamfering structure.
6. a kind of drive shaft support structure according to claim 1, it is characterised in that the both ends of second bushing are by falling
The arc section transition of corner structure.
7. a kind of drive shaft support structure according to claim 1, it is characterised in that first bushing, second lining
Cover for one kind in stainless steel part or carbon-steel parts.
8. a kind of drive shaft support structure according to claim 1, it is characterised in that first bushing, second lining
Set on the inwall of power transmission shaft interference fit with being coated with copper alloy coating.
9. a kind of drive shaft support structure according to claim 8, it is characterised in that the copper alloy coating thickness is 0.4
~1.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720440060.4U CN206958109U (en) | 2017-04-24 | 2017-04-24 | A kind of drive shaft support structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720440060.4U CN206958109U (en) | 2017-04-24 | 2017-04-24 | A kind of drive shaft support structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206958109U true CN206958109U (en) | 2018-02-02 |
Family
ID=61373803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720440060.4U Expired - Fee Related CN206958109U (en) | 2017-04-24 | 2017-04-24 | A kind of drive shaft support structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206958109U (en) |
-
2017
- 2017-04-24 CN CN201720440060.4U patent/CN206958109U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180202 Termination date: 20210424 |