CN208306971U - The sealing structure of propulsion device - Google Patents
The sealing structure of propulsion device Download PDFInfo
- Publication number
- CN208306971U CN208306971U CN201820567354.8U CN201820567354U CN208306971U CN 208306971 U CN208306971 U CN 208306971U CN 201820567354 U CN201820567354 U CN 201820567354U CN 208306971 U CN208306971 U CN 208306971U
- Authority
- CN
- China
- Prior art keywords
- propulsion device
- sealing
- oil sealing
- axle sleeve
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 121
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 230000008859 change Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
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- 238000006243 chemical reaction Methods 0.000 description 2
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- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229920000800 acrylic rubber Polymers 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
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- 239000003643 water by type Substances 0.000 description 1
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Landscapes
- Sealing Of Bearings (AREA)
- Sealing Devices (AREA)
Abstract
The utility model embodiment discloses a kind of sealing structure of propulsion device, belongs to unmanned plane equipment technology field, which includes: axle sleeve, bearing, circlip, oil sealing slot；The axle sleeve is tubular, and the shaft of propulsion device passes through the axle sleeve；The bearing and circlip are set to the both ends of axle sleeve；The oil sealing slot position is in the middle part of axle sleeve, and envelope has waterproof sealing rouge in oil sealing slot.The technical solution can be encapsulated in waterproof sealing rouge in oil sealing slot, and waterproof sealing rouge will not outflow with the rotation of shaft, play sealing function, extend the service life of propulsion device.
Description
Technical field
The utility model relates to a kind of sealings of the propulsion device of unmanned plane equipment technology field more particularly to aquatic unmanned aerial vehicle
Structure.
Background technique
The unmanned machine for being largely applicable in varying environment in recent years rapidly develops, and such as paddle robot, unmanned vehicle, unmanned boat
Deng.Apply the device requirement in the water surface also more and more, water surface unmanned boat is that one kind has autonomous navigation energy in open waters
Power can complete the navigation unit by water of corresponding task by carrying different functional units.With mankind's seafari activity
Increase and automatic technology maturation, water surface unmanned boat is gradually devoted in market, and the auxiliary mankind carry out ocean engineering work
Industry.Due to that can save a large amount of manpower and material resources, unmanned boat is fine in terms of marine environmental monitoring, hydrographic survey, coastline
It appears.
By resistance when navigation of the ship in the water surface or water, navigated by water forward to make ship be able to maintain certain speed, it must
The certain thrust of ship must be supplied, with the resistance for overcoming it to be born.Effect thrust aboard ship be by special device or
Mechanism is obtained by absorbing the energy of host sending and converting it to thrust, and the device of this special absorption and conversion energy
Or the device or mechanism of conversion energy are referred to as propulsion device.
Propulsion device is the important component of Ship Power Equipment, it includes host, drive apparatus, shafting and propeller
Deng.It is power to be issued by host, and pass through drive apparatus and shafting for power transfer to propeller, with propelling ship that it, which is acted on,.
The propulsion device dynamic sealing scheme of existing water surface hull is that waterproof sealing rouge is applied in shaft, and in shaft
Upper shaft sleeve is covered, but the waterproof sealing rouge in this scheme can gradually outflow with the high-speed rotation of shaft, cause waterproof performance
Reduce, propulsion bay is easy water inlet, and the service life of propulsion device is caused to greatly reduce.
Utility model content
In view of this, the utility model embodiment provides a kind of sealing structure of propulsion device, at least part of solution
Problems of the prior art.
The utility model embodiment provides a kind of sealing structure of propulsion device, comprising: axle sleeve, bearing, circlip, oil sealing
Slot；The axle sleeve is tubular, and the shaft of propulsion device passes through the axle sleeve；The bearing and circlip are set to the both ends of axle sleeve；
The oil sealing slot position is in the middle part of axle sleeve, and envelope has waterproof sealing rouge in oil sealing slot.
According to a kind of specific implementation of the utility model embodiment, the oil sealing slot passes through the axle sleeve, described to push away
Shaft into device passes through the oil sealing slot.
According to a kind of specific implementation of the utility model embodiment, the sealing structure further comprises oil sealing, institute
State the one or both ends that oil sealing is set to axle sleeve.
According to a kind of specific implementation of the utility model embodiment, the oil sealing is set to outside or the circlip of bearing
Outside.
According to a kind of specific implementation of the utility model embodiment, the oil sealing is located in the axle sleeve.
According to a kind of specific implementation of the utility model embodiment, the circlip is axis circlip.
According to a kind of specific implementation of the utility model embodiment, the oil sealing slot is annular oil sealing slot.
According to a kind of specific implementation of the utility model embodiment, the annular oil sealing slot includes one or more rings
Shape slot.
According to a kind of specific implementation of the utility model embodiment, the annular groove equidistantly divides in annular oil sealing slot
Cloth.
According to a kind of specific implementation of the utility model embodiment, the top margin of one or more of annular grooves with turn
Axis contact.
According to a kind of specific implementation of the utility model embodiment, the bearing is metal bearing or ceramic shaft
It holds.
According to a kind of specific implementation of the utility model embodiment, the both ends of the axle sleeve are followed successively by bearing, circlip.
According to a kind of specific implementation of the utility model embodiment, the oil sealing slot is tubular.
Waterproof sealing rouge is enclosed in by propulsion device sealing structure provided by the embodiment of the utility model by oil sealing slot
In oil groove, waterproof sealing rouge will not outflow with the rotation of shaft, play sealing function, extend the service life of propulsion device, axis
Set one end is equipped with oil sealing, and enclasping force is small, bearing can be prevented to be corroded, and increase certain sealability, further extends
The service life of propulsion device.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention, right
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Its attached drawing.
Figure 1A is the overall structure diagram of the sealing structure of propulsion device provided by the embodiment of the utility model；
Figure 1B is the sectional view of the sealing structure of propulsion device provided by the embodiment of the utility model；
Fig. 2A is the partial, detailed view of the sealing structure of propulsion device provided by the embodiment of the utility model；
Fig. 2 B is that the structure of the annular oil sealing slot in the sealing structure of propulsion device provided by the embodiment of the utility model is shown
It is intended to.
Specific embodiment
The utility model embodiment is described in detail with reference to the accompanying drawing.
It is the overall structure diagram of the sealing structure of propulsion device provided by the embodiment of the utility model referring to Fig. 1,
In 101 be propulsion device propeller, in one embodiment, the propeller 101 be propeller, propeller is usually by blade
It is formed with pulp hub, pulp hub, pulp hub is a bullet, in order to reduce the resistance of water, is being starched for propeller and tailing axle coupling part
Hub rear end adds a radome fairing, forms a fairing air foil with pulp hub, referred to as hub cap, the propeller can be constant pitch airscrew
Or variable-pitch propeller, wherein variable-pitch propeller can by change propeller away from come change the speed of a ship or plane and just course, propeller
The part of thrust is generated in water blade, blade is fixed in pulp hub, and the propeller can have 2,4,6 blades, or
More, it is not limited here, propeller needs submergence in arrangement, to reach scheduled thrust, propeller setting
Within the profile of midship；102 propulsion bay where sealing structure, 103 be the host of propulsion device, and 104 are
The interconnecting piece of host 103 and propulsion bay 102, the interconnecting piece 104 connect propeller shaft and boss rod, generate host
Rotary force is transmitted on propeller shaft.The host can be electric motor or diesel engine equal power device.Implement at one
In example, the propulsion device in the utility model is direct-drive propulsion device, and wherein direct-drive propulsion device refers to that host is direct
Power is transmitted to propeller by shafting, among host and shafting without other drive apparatus under any operating condition, propeller with
The host of host revolving speed having the same and steering, direct-drive propulsion device is reversible, to realize reversing；In another reality
It applies in example, the propulsion device in the utility model is indirect drive propulsion device, and the indirect drive propulsion device, which refers to, passes through biography
A kind of dynamic kind of drive of the equipment by host together with coupling of shaft system, engine speed and revolution speed of propeller have difference or holding one
The host of fixed speed ratio, indirect drive propulsion device need not reverse, and reversing is realized by reversing clutch.
It is the sectional view of the sealing structure of propulsion device provided by the embodiment of the utility model, wherein promoting referring to Figure 1B
It include sealing structure in device cabin 102, the sealing structure makes shaft not be flooded into and occur for sealing propulsion bay
Corrosion, the interconnecting piece 104 connect shaft and host 103, the power of host 103 are passed in shaft, so that shaft drives spiral shell
It revolves paddle rotation and generates the motive force for pushing hull.The motive force is acted on hull by shaft and boss rod, pushes hull
Movement.
Fig. 2A is the partial, detailed view of the sealing structure of propulsion device provided by the embodiment of the utility model, and Fig. 2 B is this reality
With the structural schematic diagram of the annular oil sealing slot in the sealing structure of the propulsion device of new embodiment offer.
As shown in Figure 2 A, propulsion device sealing structure provided by the embodiment of the utility model, comprising: axle sleeve 201, oil sealing slot
202, first bearing 203, second bearing 204, circlip 206.
Axle sleeve 201 is tubular, and to be suitble to shaft 208 to extend there through, 208 part of shaft that axle sleeve 201 is entangled is shaft
208 axis is dry, and for installing propeller cone can be made, easy to disassemble, the torque of host 103 in the tail portion of the shaft 208
Frictional force and the key of generation are fitted close between propeller taper hole and paddle shaft cone to transmit；In this embodiment, axle sleeve
201 are directly sleeved on oil sealing slot 202, and oil sealing slot 202 is covered again in shaft 208, the one or both ends ratio of the axle sleeve 201
The diameter of the middle section of axle sleeve 201 is big, for installing first bearing 203, second bearing 204 and circlip 206；First bearing
203 and second bearing 204, the both ends of axle sleeve 201 are located at, and be installed in axle sleeve 201, shaft 208 is from first bearing 203
It is passed through in second bearing 204, the first bearing 203 and second bearing 204 are for controlling the axially and radially shifting of shaft 208
It is dynamic, make it that can only realize rotation, keeps the slow-roll stabilization of shaft 208.The first bearing 203 and second bearing 204 are metal
Bearing or ceramic bearing, the first bearing 203 and second bearing 204 are slidingtype bearing or roller bearing；Circlip
206, for limiting the axial movement of shaft 208, shaft 208 passes through among circlip 206, and the circlip 206 is axis circlip,
The material of the circlip 206 is spring steel, and the circlip 206 is located at the inner or outer side of bearing 203, and is located in axle sleeve 201
Portion；Referring to attached drawing 2A and attached drawing 2B, oil sealing slot 202 is installed on the centre of axle sleeve 201, including oil sealing slot shell 207 and annular groove
209.The oil sealing slot 202 is cyclic annular oil sealing slot, and shape is similar to axle sleeve 201, can be tubular, wear among axle sleeve 201
It crosses, including one or more annular grooves 209, the annular groove 209 is equally spaced in the oil sealing slot 202, annular groove
Envelope has waterproof sealing rouge in 209, and the annular groove 209 is vertical setting with shaft 208, one side and the shaft 208 of annular groove 209
It is in close contact, to play the role of sealing waterproof sealing rouge.By oil sealing slot 202, waterproof sealing rouge is enclosed in oil sealing slot 202
In, waterproof sealing rouge will not outflow with the rotation of shaft 208, play sealing function, extend the service life of propulsion device.It is described
Waterproof sealing rouge is the body of paste collectively constituted by liquid and solid material, meets combine object connection or palpus under a certain pressure
Sealing function at sealing, wherein the liquid is organic liquid such as dormant oil, silicone oil etc., the solid can be graphite, hard charcoal
Black, talcum powder, polytetrafluorethylepowder powder or band, asbestos wool etc..
The sealing structure of the propulsion device further includes oil sealing 205, and the oil sealing 205 can be according to propulsion device
Customization oil sealing made by shape specification, the oil sealing 205 can be rotary shaft lip seal, and the oil sealing 205 is commonly used
Material are as follows: nitrile rubber, fluorubber, silicon rubber, acrylic rubber, polyurethane, polytetrafluoroethylene (PTFE) etc..205, the oil sealing
In axle sleeve 201 close to one end of propeller or the both ends of axle sleeve 201, specific location be can be set in the outer of bearing 203 and 204
Side or the outside of circlip 206, position is more outer, and the component protected is more.205 enclasping force of oil sealing is small, can prevent bearing
It is corroded, and increases certain sealability, further extend the service life of propulsion device.
In one embodiment, the erection sequence of the sealing structure: oil sealing slot 202, the axis positioned at 202 both ends of oil sealing slot
203 and 204 are held, the oil sealing 205 positioned at bearing 203 and/or 204 outsides, the circlip 206 positioned at 205 outside of oil sealing.
Waterproof sealing rouge is enclosed in by propulsion device sealing structure provided by the embodiment of the utility model by oil sealing slot
In oil groove, waterproof sealing rouge will not outflow with the rotation of axis, play sealing function, extend the service life of propulsion device, axle sleeve
One end is equipped with oil sealing, and enclasping force is small, bearing can be prevented to be corroded, and increases certain sealability, further extends and pushes away
Into the service life of device.
Embodiment described above is the utility model a part of the embodiment, instead of all the embodiments.Based on this
Embodiment in utility model, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, fall within the protection scope of the utility model.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, the change that can be readily occurred in
Change or replace, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with right
It is required that protection scope subject to.
Claims (13)
1. a kind of sealing structure of propulsion device characterized by comprising axle sleeve, bearing, circlip, oil sealing slot；The axle sleeve is
The shaft of tubular, propulsion device passes through the axle sleeve；The bearing and circlip are set to the both ends of axle sleeve；The oil sealing slot position in
In the middle part of axle sleeve, envelope has waterproof sealing rouge in oil sealing slot.
2. the sealing structure of propulsion device according to claim 1, it is characterised in that: the oil sealing slot passes through the axis
The shaft of set, the propulsion device passes through the oil sealing slot.
3. the sealing structure of propulsion device according to claim 1, it is characterised in that: the sealing structure further comprises
Oil sealing, the oil sealing are set to the one or both ends of axle sleeve.
4. the sealing structure of propulsion device according to claim 3, it is characterised in that: the oil sealing is located at the axle sleeve
It is interior.
5. the sealing structure of propulsion device according to claim 3, it is characterised in that: the oil sealing is set to the outer of bearing
Side or the outside of circlip.
6. the sealing structure of propulsion device according to any one of claim 1 to 3, it is characterised in that: the circlip is
Axis circlip.
7. the sealing structure of propulsion device according to any one of claim 1 to 3, it is characterised in that: the oil sealing slot
For annular oil sealing slot.
8. the sealing structure of propulsion device according to claim 7, it is characterised in that: the annular oil sealing slot includes one
Or multiple annular grooves.
9. the sealing structure of propulsion device according to claim 7, it is characterised in that: the annular groove is in annular oil sealing slot
In be equally spaced.
10. the sealing structure of propulsion device according to claim 8, it is characterised in that: one or more of annular grooves
Top margin and shaft contacts.
11. the sealing structure of propulsion device according to any one of claim 1 to 3, it is characterised in that: the bearing is
Metal bearing or ceramic bearing.
12. the sealing structure of propulsion device according to any one of claim 1 to 3, it is characterised in that: the axle sleeve
Both ends are followed successively by bearing, circlip.
13. the sealing structure of propulsion device according to any one of claim 1 to 3, it is characterised in that: the oil sealing slot
For tubular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820567354.8U CN208306971U (en) | 2018-04-19 | 2018-04-19 | The sealing structure of propulsion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820567354.8U CN208306971U (en) | 2018-04-19 | 2018-04-19 | The sealing structure of propulsion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208306971U true CN208306971U (en) | 2019-01-01 |
Family
ID=64720088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820567354.8U Expired - Fee Related CN208306971U (en) | 2018-04-19 | 2018-04-19 | The sealing structure of propulsion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208306971U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538764A (en) * | 2019-01-21 | 2019-03-29 | 上海海洋大学 | A kind of miniature self-service ship driving shafting grease seal leak-proof device |
-
2018
- 2018-04-19 CN CN201820567354.8U patent/CN208306971U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538764A (en) * | 2019-01-21 | 2019-03-29 | 上海海洋大学 | A kind of miniature self-service ship driving shafting grease seal leak-proof device |
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| 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: 20190101 |
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| CF01 | Termination of patent right due to non-payment of annual fee |