CN206092911U - Withstand voltage transmission - Google Patents
Withstand voltage transmission Download PDFInfo
- Publication number
- CN206092911U CN206092911U CN201621090662.3U CN201621090662U CN206092911U CN 206092911 U CN206092911 U CN 206092911U CN 201621090662 U CN201621090662 U CN 201621090662U CN 206092911 U CN206092911 U CN 206092911U
- Authority
- CN
- China
- Prior art keywords
- transmission shaft
- power transmission
- revolving meber
- flow path
- bearing
- 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
Links
Abstract
The utility model discloses a withstand voltage transmission, include: the rotating member, the transmission shaft is arranged in the rotating member, be used for making transmission shaft and rotating member sealing connection's sealing member, the cover is established on the transmission shaft, and the partial first cavity that is located the rotating member, be used for making lubricating oil along the axial flow's of transmission shaft spiral flowing channel, be located between transmission shaft and the rotating member, and be close to the output of transmission shaft, and with transmission shaft fixed connection, wherein, be equipped with at least one through -hole on the rotating member lateral wall, the first cavity of rotating member is got through to the through -hole, spiral flowing channel and through -hole are through first cavity intercommunication and form a lubricating oil self -loopa runner, and lubricating oil self -loopa runner is the spiral flowing channel who communicates in proper order, first cavity, through -hole, the rotating member outside and transmission shaft output one side. The utility model discloses a withstand voltage transmission can use and flow in the oil circulation of lubrication sealing spare to in time take away the heat that sealing member department produced, the phenomenon of having prevented lubricating oil local overheat.
Description
Technical field
This utility model is related to the structure-design technique field of actuating device, espespecially a kind of pressure actuating device.
Background technology
When power set operation under liquid, due to the effect of fluid pressure, the dynamic seal in power set needs
Higher pressure is born, especially when fluid pressure is more than 0.3MPa, common lip packing will be unable to normal work, therefore,
To solve this problem, the sealing that generally can bear high pressure using mechanical seal etc. substitutes common lip packing, such as hydraulic pressure
The draining chamber sealing of motor.
But, inevitably there is certain leakage rate in the mechanical seal in hydraulic motor, therefore, use band mechanical seal
Fluid motor-driven power set when, in order to prevent reveal hydraulic oil be mixed in the lubricating oil in power set, need in liquid
Increase the actuating device containing mechanical seal between pressure motor and power set.
In order to be lubricated to the mechanical seal in actuating device, it usually needs by the inside of power set full of lubrication
Oil.In prior art, the mechanical seal in actuating device lacks the cooling of current lubrication oil, causes the lubricating oil at mechanical seal
Temperature is too high, and too high oil temperature can reduce the performance of lubricating oil, and long-time can then cause lubricating oil in whole power set
Performance is reduced, and then affects the life-span of power set.
Therefore, the applicant is devoted to providing a kind of new pressure actuating device.
Utility model content
The purpose of this utility model is to provide a kind of pressure actuating device, and it can be used in the lubricating oil of lubrication and seal part
Circulate, so as to take away the heat produced at sealing member in time, further prevent the phenomenon of lubricating oil hot-spot.
To solve above-mentioned technical problem, this utility model provides a kind of pressure actuating device, including：Revolving meber；Transmission
Axle, in the revolving meber；For the sealing member for being tightly connected power transmission shaft and revolving meber, the sealing member is set in described
On power transmission shaft, and part is located in the first cavity of the revolving meber；For making lubricating oil along the axial direction stream of the power transmission shaft
Dynamic helical flow path, the helical flow path is located between the power transmission shaft and the revolving meber, and near the defeated of the power transmission shaft
Go out end, and the helical flow path is fixedly connected with the power transmission shaft；Wherein, the first cavity wall of the revolving meber be provided with to
A few through hole, the through hole connects the first cavity of the revolving meber and the outside of revolving meber；The helical flow path and described
Through hole connects to form a lubricating-oil self-circulating runner by the first cavity of the revolving meber, and the lubricating-oil self-circulating runner is
Helical flow path, the first cavity, through hole, revolving meber outside and the power transmission shaft outfan side being sequentially communicated.
Preferably, the helical flow path is arranged on the power transmission shaft.
Preferably, the sealing member includes：Stationary seal ring, empty set on the power transmission shaft, and near the power transmission shaft
Input, and be fixed on the revolving meber；Moving sealing ring, in the first cavity of the revolving meber, fixation is set in institute
State on power transmission shaft, and near the outfan of the power transmission shaft, its end face fits to form sealing surface with the end face of the stationary seal ring.
Preferably, the helical flow path is arranged on the side wall of the moving sealing ring.
Preferably, the helical flow path is spiral salient or helical groove.
Preferably, there is gap between the periphery of the helical flow path and the revolving meber.
Preferably, the gap between the helical flow path and the revolving meber is less than 2mm.
Preferably, the pressure actuating device also includes：At least one bearing, the bearing is set in the power transmission shaft
On, and in the revolving meber.
Preferably, the number of the bearing is two, respectively clutch shaft bearing and second bearing, wherein, the first axle
The input of the nearly power transmission shaft of breasting, outfan of the second bearing near the power transmission shaft.
Preferably, the revolving meber includes test chamber, first bearing seat chamber and the second axle for setting gradually axially along
Bearing chamber, the test chamber is used to detect whether oil leak is damaged the sealing member, and first bearing seat chamber is used to install described first
Bearing, second bearing seat chamber is used to install the second bearing.
Preferably, the pressure actuating device also includes：Coding disk, is set on the input of the power transmission shaft；With/
Or；Mounting seat, is connected with the revolving meber, for installing the revolving meber.
Pressure actuating device of the present utility model can realize following at least one beneficial effect.
1st, pressure actuating device of the present utility model is provided with helical flow path between revolving meber and power transmission shaft, when power transmission shaft turns
When dynamic, helical flow path is rotated, and when helical flow path is rotated, drives lubricating oil to flow along the axial direction of power transmission shaft, and the first of revolving meber
Lubricating oil in cavity is flowed into or out along the through hole of its side wall, that is to say, that inside revolving meber, and lubricating oil is in spiral
The lower flowing of runner effect, the lubricating oil inside revolving meber passes through again through hole and ft connection, so as to realize the self-loopa of lubricating oil,
Constantly the lubricating oil of circulation can in time take away the heat produced at sealing member, prevent local high oil temperature and affect lubricating oil
Performance.
2nd, the helical flow path in pressure actuating device of the present utility model can be the spiral salient being arranged on power transmission shaft
Or helical groove, that is to say, that can directly drive helical flow path to rotate during drive axis, so that helical flow path drives following
Ring oil flowing.
3rd, the sealing member in pressure actuating device of the present utility model is the stationary seal ring and moving sealing ring being equipped with, spiral shell
Eddy flow road is the spiral salient or helical groove being arranged on moving sealing ring, and moving sealing ring is fixed and is set on power transmission shaft, when
During drive axis, moving sealing ring is rotated simultaneously, and drives helical flow path to rotate, so that lubricating oil can be in helical flow path
Drive lower flowing.
4th, have less than 2mm between the helical flow path and the side wall of revolving meber in pressure actuating device of the present utility model
Gap, helical flow path not only can drive the lubricating oil flow inside runner when rotating, and can also drive the portion outside runner
Divide lubricating oil flow, therefore, the amount of flow that can increase lubricating oil is so set.
5th, pressure actuating device of the present utility model is provided with for the bearing of a pair of installation power transmission shafts, this pair of bearings difference
The input and outfan of power transmission shaft are arranged on, so arranging can effectively improve the rigidity of power transmission shaft and the operating of sealing member
Stability, the leakage rate for further reducing sealing member is, the life-span for extending sealing member；In addition, positioned at power transmission shaft outfan
Bearing can also preferably ensure the gap between helical flow path and revolving meber, so that helical flow path can stably convey profit
Lubricating oil.
6th, the revolving meber in pressure actuating device of the present utility model is provided with test chamber, and test chamber with for installing first
The first bearing seat chamber of bearing is connected, and adds lubricating oil to be lubricated to clutch shaft bearing in detection intracavity, and lubricating oil is followed certainly
Lubricating oil in circulation road can be lubricated to second bearing, in addition, test chamber can be also used for detecting whether sealing member leaks
Oil is damaged.
Description of the drawings
This utility model is described in further detail with reference to the accompanying drawings and detailed description：
Fig. 1 is a kind of structural representation of specific embodiment of pressure actuating device of the present utility model；
Fig. 2 is the mplifying structure schematic diagram of moving sealing ring in pressure actuating device shown in Fig. 1；
Fig. 3 is the structural representation of another kind of specific embodiment of pressure actuating device of the present utility model；
Fig. 4 is the mplifying structure schematic diagram of power transmission shaft in pressure actuating device shown in Fig. 3.
Drawing reference numeral explanation：
Revolving meber 1, first bearing seat chamber 101, second bearing seat chamber 102, test chamber 103, through hole 104, power transmission shaft 2, spiral shell
Eddy flow road 201, clutch shaft bearing 3, stationary seal ring 4, moving sealing ring 5, helical flow path 501, second bearing 6, hydraulic motor 7, motor
Output shaft 701, coding disk 8, mounting seat 9, gap 10.
Specific embodiment
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative work
Under, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Embodiment one
As shown in figure 1, this specific embodiment discloses a kind of specific embodiment of pressure actuating device, including：Revolving meber
1；Power transmission shaft 2, in being located at turn around part 1；For the sealing member for being tightly connected power transmission shaft 2 and revolving meber 1, sealing member is set in biography
On moving axis 2, and part is located at turn around in the first cavity of part 1, and the first cavity can be stored for the lubricating oil of lubrication and seal part；
For making lubricating oil along the helical flow path 501 of the axial direction flowing of power transmission shaft 2, helical flow path 501 is located at power transmission shaft 2 and revolving meber
Between 1, and it is fixedly connected with power transmission shaft 2 near the outfan of power transmission shaft 2, and helical flow path 501.
In the present embodiment, sealing member includes：Stationary seal ring 4, empty set is on power transmission shaft 2, and the input of close power transmission shaft 2
End, and be fixed on revolving meber 1, stationary seal ring empty set is referred on power transmission shaft, and when drive axis, stationary seal ring is not with biography
Moving axis is rotated together；Moving sealing ring 5, is located at turn around in the first cavity of part 1, and fixation is set on power transmission shaft 2, and near transmission
The outfan of axle 2, its end face fits to form sealing surface with the end face of stationary seal ring 4.In the present embodiment, helical flow path 501 is
The spiral salient being arranged on the side wall of moving sealing ring 5, and spiral salient periphery and revolving meber 1 between have less than 2mm
Gap 10.
Wherein, the first cavity wall of revolving meber 1 is provided with least one through hole 104, the connection revolving meber 1 of through hole 104
The outside of the first cavity and revolving meber 1；Helical flow path 501 connects to form a profit with through hole 104 by the first cavity of revolving meber 1
Lubricating oil self-loopa runner, lubricating-oil self-circulating runner is helical flow path 501, the first cavity, through hole 104, the revolution being sequentially communicated
The outside of part 1 and the outfan side of power transmission shaft 2, and circulating direction of the lubricating oil in self-loopa runner can be also may be used clockwise
Think counterclockwise.The outside of revolving meber is in connected state with power transmission shaft outfan side, and lubricating oil can be in the outer of revolving meber
Circulate between side and power transmission shaft outfan side.
Specifically, pressure actuating device also includes clutch shaft bearing 3 and second bearing 6, and two bearings are set in power transmission shaft 2
On, and in revolving meber 1.Wherein, clutch shaft bearing 3 near power transmission shaft 2 input (power transmission shaft as shown in Figure 12
Upper end), outfan (lower end of as shown in Figure 1 power transmission shaft 2) of the second bearing 6 near power transmission shaft 2.The setting of bearing can be with
The rigidity of power transmission shaft and the run stability of sealing member are improved, so as to effectively reducing the amount of leakage of sealing member, extending sealing member
Life-span.Also, power transmission shaft 2 can be effectively ensured the gap 10 between helical flow path 501 and revolving meber 1 using bearings
Size, so that helical flow path 501 preferably plays a role, the self-loopa for further ensuring lubricating oil in actuating device can be with
It is smoothed out.
Specifically, revolving meber 1 includes test chamber 103, the first bearing seat chamber 101 and second for setting gradually axially along
Bearing block chamber 102, test chamber 103 is used to detecting sealing member whether oil leak or damage, and first bearing seat chamber 101 is used to installing the
One bearing 3, second bearing seat chamber 102 is used to install second bearing 6.Also, add lubricating oil to can be used to moisten in test chamber
Sliding clutch shaft bearing, and second bearing is then lubricated by the lubricating oil in lubricating-oil self-circulating runner.
Specifically, pressure actuating device also includes coding disk 8, and coding disk 8 is set on the input of power transmission shaft 2.
Specifically, pressure actuating device also includes mounting seat 9, and revolving meber 1 is arranged in mounting seat 9.And the present embodiment
In pressure actuating device by the way that mounting seat 9 is arranged on power set so that pressure actuating device and power set connect
Connect.
The motor output shaft 701 of hydraulic motor 7 is connected with the input of power transmission shaft 2, the pressure biography in this sample embodiment
Dynamic device can just realize the power transmission between hydraulic motor 7 and power set.
Embodiment two
Pressure actuating device disclosed in embodiment two is essentially identical with embodiment one, and difference is, embodiment two
In pressure actuating device in helical flow path 201 be arranged on power transmission shaft 2, and helical flow path 201 be located at sealing member near transmission
The side of the outfan of axle 2.Helical flow path can be directly driven to rotate during drive axis.
Of course, in other specific embodiments, sealing member can also be set in pressure actuating device of the present utility model
Other mechanical seal forms；Helical flow path can also be helical groove；The number of bearing can also as needed be adjusted to one
Individual, three or more numbers；Gap length between the periphery of helical flow path and revolving meber can according to the size of power transmission shaft,
Rotating speed and oil body etc. are adjusted；Additionally, the concrete structure of helical flow path of the present utility model can also be according to need
It is adjusted, here is omitted.
Exemplary, as illustrated in fig. 1 and 2, the concrete application situation of the embodiment of pressure actuating device of the present utility model
It is as follows：
1st, power transmission shaft 2 is rotated and drives moving sealing ring 5 to rotate, and helical flow path 501 is rotated simultaneously with moving sealing ring 5, and
The rotation direction of power transmission shaft 2 is consistent with the hand of spiral of helical flow path 501；
2nd, helical flow path 501 drives lubricating oil axially turning round from the outfan side flow direction of power transmission shaft 2 along power transmission shaft 2
In the cavity of part 1 first；
3rd, the lubricating oil in the cavity of revolving meber 1 first is along the stream of through hole 104 of the first cavity wall to the outer of revolving meber 1
Side；
4th, lubricating oil flows back into the side of the outfan of power transmission shaft 2 from the outside of revolving meber 1, so as to complete the one of lubricating oil
Secondary self-loopa.
That is, the lubricating oil of the outfan side in lubricating oil power transmission shaft flows to revolving meber by helical flow path
The first cavity in, then by the through hole stream of the first cavity wall to revolving meber outside, be finally returned to the outfan of power transmission shaft
Side, repeat the above steps can make lubricating oil persistently carry out self-loopa.
If in addition, the rotation direction of power transmission shaft is contrary with the hand of spiral of helical flow path, then lubricating oil then along with it is upper
Stating direction contrary in step carries out self-loopa.
Pressure actuating device of the present utility model can be such that lubricating oil takes away in sealing member during self-loopa
The heat that sealing surface friction is produced, so as to effectively prevent the phenomenon of lubricating oil hot-spot, further avoid high oil temperature and leads
The lubricants performance of cause is reduced.
The above is only preferred implementation of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from this utility model principle, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (10)
1. a kind of pressure actuating device, it is characterised in that include：
Revolving meber；
Power transmission shaft, in the revolving meber；
For the sealing member for being tightly connected power transmission shaft and revolving meber, the sealing member is set on the power transmission shaft, and part
In the first cavity of the revolving meber；
For making lubricating oil along the helical flow path of the axial direction flowing of the power transmission shaft, the helical flow path is located at the power transmission shaft
Between the revolving meber, and it is fixedly connected with the power transmission shaft near the outfan of the power transmission shaft, and the helical flow path；
Wherein, the first cavity wall of the revolving meber is provided with least one through hole, and the through hole connects the revolving meber
The outside of the first cavity and revolving meber；
The helical flow path connects to form a lubricating-oil self-circulating runner with the through hole by the first cavity of the revolving meber,
The lubricating-oil self-circulating runner is helical flow path, the first cavity, through hole, revolving meber outside and the power transmission shaft output being sequentially communicated
End side.
2. pressure actuating device as claimed in claim 1, it is characterised in that：
The helical flow path is arranged on the power transmission shaft.
3. pressure actuating device as claimed in claim 1, it is characterised in that：
The sealing member includes：
Stationary seal ring, empty set is on the power transmission shaft, and the input of the close power transmission shaft, and is fixed on the revolving meber
On；
Moving sealing ring, in the first cavity of the revolving meber, fixation is set on the power transmission shaft, and near the transmission
The outfan of axle, its end face fits to form sealing surface with the end face of the stationary seal ring.
4. pressure actuating device as claimed in claim 3, it is characterised in that：
The helical flow path is arranged on the side wall of the moving sealing ring.
5. pressure actuating device as claimed in claim 1, it is characterised in that：
The helical flow path is spiral salient or helical groove.
6. pressure actuating device as claimed in claim 1, it is characterised in that：
There is gap between the periphery of the helical flow path and the revolving meber.
7. pressure actuating device as claimed in claim 6, it is characterised in that：
Gap between the helical flow path and the revolving meber is less than 2mm.
8. the pressure actuating device as any one of claim 1 to 7, it is characterised in that also include：
At least one bearing, the bearing is set on the power transmission shaft, and in the revolving meber.
9. pressure actuating device as claimed in claim 8, it is characterised in that：
The number of the bearing is two, respectively clutch shaft bearing and second bearing, wherein, the clutch shaft bearing is near the biography
The input of moving axis, outfan of the second bearing near the power transmission shaft.
10. pressure actuating device as claimed in claim 9, it is characterised in that：
The revolving meber includes test chamber, first bearing seat chamber and the second bearing seat chamber for setting gradually axially along, described
Test chamber is used to detect whether oil leak is damaged the sealing member, and first bearing seat chamber is used to install the clutch shaft bearing, the second axle
Bearing chamber is used to install the second bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621090662.3U CN206092911U (en) | 2016-09-29 | 2016-09-29 | Withstand voltage transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621090662.3U CN206092911U (en) | 2016-09-29 | 2016-09-29 | Withstand voltage transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206092911U true CN206092911U (en) | 2017-04-12 |
Family
ID=58481703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621090662.3U Expired - Fee Related CN206092911U (en) | 2016-09-29 | 2016-09-29 | Withstand voltage transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206092911U (en) |
-
2016
- 2016-09-29 CN CN201621090662.3U patent/CN206092911U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108429384A (en) | The sealing structure at motor-shaft extending end | |
| CN107031373A (en) | Motor, motor vehicles and the method for running motor | |
| CN107795692B (en) | A kind of electric eddy current dynamometer bearing seal structure of thin oil lubricant | |
| CN204201083U (en) | Revolution lip labyrinth gland | |
| CN207879864U (en) | A kind of numerically-controlled machine tool gear-box main motor shaft bearing lubrication structure | |
| CN206092911U (en) | Withstand voltage transmission | |
| CN203453473U (en) | Oil dividing rotating sealing device of crowned tooth connecting shaft | |
| CN109736951B (en) | Bearing lubricating and sealing system of rotor system of micro gas turbine | |
| CN208078786U (en) | The sealing structure at motor-shaft extending end | |
| CN210137231U (en) | Insulating oil leakage prevention structure of alternating-current variable-frequency speed-regulating brake motor | |
| CN204772051U (en) | Shaft seal system | |
| CN109578467B (en) | Hydraulic retarder | |
| CN205716142U (en) | A kind of it is applicable to the Multi-path rotary joint that multimedium transmits simultaneously | |
| CN105114352B (en) | A kind of oil return apparatus for direct-connection centrifugal compressor | |
| CN206290713U (en) | A kind of leading-type oil mist sealing device for bidirectional rotation engine | |
| CN109681616B (en) | Gear box slip ring seal structure | |
| CN206988293U (en) | A kind of full floating bearing | |
| CN213125770U (en) | Permanent magnet motor of bearing oil-cooled air compressor | |
| CN210978205U (en) | Bearing with oil groove convenient for lubrication | |
| CN206647273U (en) | A kind of sewage disposal shielded electric pump | |
| CN106712391A (en) | Self-circulating cooling oil pump motor | |
| CN206845708U (en) | The lubrication system of blower fan bearing of explosion-proof motor | |
| CN105822861A (en) | Multi-channel rotary joint applicable to simultaneous transmission of multiple media | |
| CN207470372U (en) | A kind of two-wheel flute milling machine slush pump driving device | |
| CN209164563U (en) | A kind of gearbox with forcedlubricating system and the tractor comprising it |
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: 20170412 Termination date: 20190929 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |