CN106015564A - Novel oil leakage prevention and assembling-and-disassembling-prone electric rotary drum - Google Patents
Novel oil leakage prevention and assembling-and-disassembling-prone electric rotary drum Download PDFInfo
- Publication number
- CN106015564A CN106015564A CN201610587264.0A CN201610587264A CN106015564A CN 106015564 A CN106015564 A CN 106015564A CN 201610587264 A CN201610587264 A CN 201610587264A CN 106015564 A CN106015564 A CN 106015564A
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- Prior art keywords
- gland
- oil
- oil seal
- cylinder
- leakage
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/04—Sealings between relatively-stationary surfaces without packing between the surfaces, e.g. with ground surfaces, with cutting edge
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/162—Special parts or details relating to lubrication or cooling of the sealing itself
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
- Sealing Of Bearings (AREA)
Abstract
The invention relates to the field of electric rotary drums, in particular to a novel oil leakage prevention and assembling-and-disassembling-prone electric rotary drum. The novel oil leakage prevention and assembling-and-disassembling-prone electric rotary drum comprises a rotary drum body, an end cover and an oil seal assembly, wherein the oil seal assembly comprises an oil seal lining, a sealing cover and a framework oil seal; a bearing comprises an inner ring, an outer ring as well as a ball cavity and a ball which are positioned between the inner ring and the outer ring; the end cover comprises a mounting column sleeve; the mounting column sleeve comprises a sleeve column body and a sleeve column cavity; the bearing is arranged in the sleeve column cavity; a backflow hole for communicating inner and outer side spaces of the end cover is formed in the sleeve column body; a backflow slot for communicating the backflow hole to the ball cavity is formed in the sealing cover. According to the novel oil leakage prevention and assembling-and-disassembling-prone electric rotary drum, the backflow hole in the end cover and the backflow slot in the sealing cover are matched to form a special backflow channel; due to such design, lubricating oil gathered at the oil sealing cover can flow back, so that the oil pressure of the oil sealing cover is reduced.
Description
Technical field
The present invention relates to motorized pulleys field, be specifically related to a kind of novel anti-leakage motorized pulleys oily, easy to assemble.
Background technology
Operationally, its internal machine oil can gather at oil seal cover by bearing motorized pulleys in the market, by
In the reason of roller frame, form partial high pressure, increase the actual pressure at oil seal cover, increase the actual pressure of oil seal cover
Power, thus cause machine oil to be easier to spill from oil seal cover.It is that motorized pulleys in the market are when installation or removal again, it is necessary to
Remove other parts on annular seal space outer rotary shaft and oil sealing could be advanced in annular seal space, along one end of axle, the oil sealing preset
Installation site or remove by contrary step and direction, so, the most time-consuming takes a lot of work, and when changing oil sealing it is also possible to damage
Other parts of bad equipment, have a strong impact on the normal operation of plant equipment and the efficiency of production and quality, oil sealing to be changed
Oil seal washer at lid, it is necessary to first take the parts before oil seal cover apart, then remove oil seal cover, oil sealing could be taken out.Conventional electric
The end cap of cylinder uses non-embedded type, and this spline structure is the compactest, seals defective tightness, and profile is the most attractive in appearance.
Summary of the invention
It is an object of the invention to provide a kind of novel anti-leakage motorized pulleys oily, easy to assemble for the problems referred to above.
The above-mentioned technical purpose of the present invention has the technical scheme that
A kind of novel anti-leakage motorized pulleys oily, easy to assemble, including cylinder, are located at described cylinder end and pass through bearing holder (housing, cover) adaptedly
The end cap being located in the rotary shaft of cylinder, the Oil sealing assembly being sheathed in described rotary shaft and coordinating with end cap, described oil sealing group
Part includes the oil sealing lining being sheathed in rotary shaft, is located at outside described end cap and is sheathed on the capping on described oil sealing lining,
It is located in described capping and is sheathed on the outside framework oil seal on described oil sealing lining；Described bearing includes inner ring, outer ring and is positioned at
Ball chamber between outer ring and ball;Described end cap include being positioned at center for coordinating installation bearing and the peace of Oil sealing assembly
Dress column sleeve, described installation column sleeve includes overlapping cylinder and sleeve column chamber, and described bearing is located at described sleeve column intracavity, described set cylinder is opened
It is communicated with the return port of the interior outer space of described end cap, described capping is communicated with described return port and described ball chamber
Backflash.
As preferably, described return port outer end opening is in described set cylinder close set cylinder core, and described sleeve column
Be provided with several return ports on body, described backflash be to just several.
As preferably, described capping includes gland, oil seal cover between gland and end cap, and described backflash is opened in
On the medial surface of described oil seal cover, described outside framework oil seal is with the interface of gland and oil seal cover for the opposing setting that reclines of the plane of symmetry
Two.
As preferably, described outside framework oil seal includes main framing, is fixed on main framing two ends and extends for shape to the same side
Become location division and the oil sealing portion of oil seal groove；On the outside left connecting end oil seal groove dorsad of described location division and described main framing
Being provided with positioning step, described capping is provided with through described gland and the interface of oil seal cover or using the part of interface as one
The locating slot of side channel wall, the positioning step on two described outside framework oil seals reclines dorsad and is inserted in described locating slot.
As preferably, described oil sealing portion includes the dust excluder lips being located close to main framing side, close away from main framing side
Envelope lip, the waist of the depression between dust excluder lips and sealing lip；Described main framing is provided with anti-towards the back side of another main framing
Dirt cushion chamber, the cell wall being positioned at oil sealing portion of described oil seal groove is provided with spring groove, is provided with wound spring in described spring groove.
As preferably, described gland has a ring recess on the inner ring face of oil sealing lining, in described ring recess, is provided with felt
Circle oil sealing, described gland is additionally provided with and is connected by the oil sealing chamber of the oil circuit being opened in gland with described outside framework oil seal place
Lubricating cup, the inner port of described oil circuit is opened on the position, oil sealing chamber at the outside framework oil seal place outside described gland and inner
Mouth connects with the oil seal groove of this outside framework oil seal.
As preferably, described gland includes two gland monomers docked, and the interface of two described gland monomers leans on
The position of nearly gland centre bore is respectively equipped with pin-and-hole and the pin of adaptation, and the position away from gland centre bore is respectively correspondingly provided with
The through hole communicated and screw, be provided with the bolt for fixing two described gland monomers in described screw and screw.
As preferably, the gland monomer at described through hole place is provided with depression formation makes this through hole away from one end of interface
The bolt erecting bed being opened on table top, described bolt penetrated in described through hole by the opening on erecting bed and with another gland
Screw on monomer is spirally connected, and the described bolt erecting bed of corresponding same interface and described pin lay respectively at two gland monomers
On.
As preferably, described outside framework oil seal includes a framework section bar, be respectively arranged in described framework section bar both ends of the surface and
The adaptive jack of the strip being positioned on described location division and latch, described positioning step and described latch are to described location division
Projection section on lateral surface is overlapping.Projection section is overlapping, i.e. includes that the length of latch and jack has been cross over positioning step institute right
In the location division part answered, it is ensured that the stability of location, positioning step is difficult to deviate from from locating slot, it is ensured that after outside framework oil seal Guan Bi
Closure strength, coordinate wound spring, the latch and the jack that are further ensured that on outside framework oil seal be not easily disconnected from, and ensures to seal simultaneously
Lip can be pressed on cell wall and guarantee sealing effectiveness.
The outside framework oil seal of two opposing settings disconnected is set, carries out two way seal, with entering to coordinate the gland and bone that disconnect
Frame oil sealing, can intactly disassemble gland and outside framework oil seal when not tampering other structures and clear up or change.And
Two opposing outside framework oil seals also ensure that lubricating cup send oil to carry out fluid-tight outside outside framework oil seal, and two outside framework oil seal bilaterals send oil
Both ensured sealing, and simultaneously because equalized pressure, further increased sealing, and outside framework oil seal is not easy to damage.
As preferably, it is neat with the cylinder end face of end cap place end that described end cap embeds interior and end cap the outer face of described cylinder
Put down or embed in cylinder；The abutment face of described gland and the interface of oil seal cover and two described oil tight skeletons flushes, and described
The interface of gland and oil seal cover is provided with O RunddichtringO.
In sum, the method have the advantages that
1. the application is by the special return flow line that cooperatively forms adding backflash on the return port on end cap and capping, this
Design makes the lubricating oil assembled at oil seal cover be refluxed, and reduces oil pressure herein, thus reduces the reality of oil seal cover
Pressure, prevents the generation of leakage of oil.And gland is divided into two parts of docking by the application, positioning with pin, screw connects, and
For ensureing that the sealing of whole capping adds O-ring seals, felt collar oil sealing, outside framework oil seal uses the ring-type oil of non-integral Guan Bi
Envelope constitutes but uses the section bar of a strip to surround the bone oil return envelope of ring in end face docking, end face uses bolt-type connect,
Split gland and the outside framework oil seal with cleaved facet all ensure that replacing oil sealing or the convenience of gland, it is not necessary to outside dismounting cylinder
Whole bearing.
2. the oil-leakage-prevention of the application, the structure of motorized pulleys easy to assemble are that not change with correlated parts work-in parameters be front
Carry, it is ensured that its interchangeability.
3. the application simple in construction, easy accessibility, low cost.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram one；
Fig. 2 is B portion structure for amplifying schematic diagram in Fig. 1；
Fig. 3 is present configuration schematic diagram two；
Fig. 4 is A portion structure for amplifying schematic diagram in Fig. 3；
Fig. 5 is gland structure schematic diagram；
Fig. 6 is gland and oil seal cover structural representation one；
Fig. 7 is gland and oil seal cover structural representation two.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
The present embodiment can be made after reading this specification by member as required does not has the amendment of creative contribution, but as long as at this
All protected by Patent Law in the right of invention.
Embodiment:
A kind of novel anti-leakage motorized pulleys oily, easy to assemble, it is characterised in that: include cylinder 1, be located at described cylinder end adaptedly
And pass through the end cap 3 that bearing 2 is sheathed in the rotary shaft 11 of cylinder, the oil sealing being sheathed in described rotary shaft and coordinating with end cap
Assembly, it is characterised in that: described Oil sealing assembly includes the oil sealing lining 7 being sheathed in rotary shaft, is located at outside described end cap also
It is sheathed on the capping 5 on described oil sealing lining, is located in described capping and is sheathed on the outside framework oil seal 4 on described oil sealing lining；
Described bearing includes inner ring, outer ring and the ball chamber between Internal and external cycle and ball;Described end cap includes being positioned at center
For coordinating installation bearing and the installation column sleeve 6 of Oil sealing assembly, described installation column sleeve includes overlapping cylinder 61 and sleeve column chamber 62, described
Described sleeve column intracavity is located at by bearing, and described set cylinder offers the return port 64 of the interior outer space connecting described end cap, institute
State the backflash 51 being communicated with described return port in capping with described ball chamber.
Said structure defines the return flow line of a bearing hydrops so that the lubricating oil assembled at oil seal cover is returned
Stream, reduces oil pressure herein, thus reduces the actual pressure of oil seal cover, prevent the generation of leakage of oil.
Described return port outer end opening is provided with on set cylinder core, and described set cylinder in described set cylinder
Several return ports, described backflash be to just several.
Described capping includes gland 52, oil seal cover 53 between gland and end cap, and described backflash is opened in described
On the medial surface of oil seal cover, described outside framework oil seal is with the interface of gland and oil seal cover for opposing two arranged that recline of the plane of symmetry
Individual.
Described outside framework oil seal includes main framing 41, is fixed on main framing two ends and extends for forming oil seal groove to the same side
The location division 43 of 42 and oil sealing portion；Described location division is provided with the outside left connecting end oil seal groove dorsad of described main framing
Positioning step 44, described capping is provided with the locating slot 54 through described gland and the interface of oil seal cover, two described skeletons
Positioning step on oil sealing reclines dorsad and is inserted in described locating slot.
Described oil sealing portion includes the dust excluder lips 46 being located close to main framing side, away from the sealing lip 45 of main framing side,
The waist 461 of the depression between dust excluder lips and sealing lip, also includes the bizet 462 being positioned at sealing lip front end；Described main bone
Frame is provided with dustproof buffered chamber 47 towards the back side of another main framing, and the cell wall being positioned at oil sealing portion of described oil seal groove is provided with spring
Groove 48, is provided with wound spring 49 in described spring groove.Sealing lip seals the machine oil leaked along rotary shaft, and spring passes through bizet to close
Envelope lip applies pretightning force, it is ensured that rotary shaft is followed and held tightly to sealing lip for a long time, thus realizes preferable sealing effectiveness.Dust excluder lips is used
Stoping the impurity such as extraneous steam flue dust, spring groove is used for installing spring and preventing it from coming off, and waist is used for connecting bizet, sealing
Lip, spring groove, dust excluder lips.The cavity formed by dustproof buffered chamber and waist ensure that dust excluder lips and each comfortable two of sealing lip
A buffering is had to adjust space on direction, it is ensured that reliable and preferable sealing.
On the inner ring face of oil sealing lining, have a ring recess on described gland, in described ring recess, be provided with felt collar oil sealing 521,
The lubricating cup 8 connected by the oil sealing chamber of the oil circuit being opened in gland with described outside framework oil seal place it is additionally provided with on described gland,
The inner port of described oil circuit be opened on the position, oil sealing chamber at the outside framework oil seal place outside the described gland and inner port with
The oil seal groove connection of this outside framework oil seal, gland lateral surface is provided with the circle platform of projection, and the axis perpendicular of lubricating cup is in described rotary shaft
Axle center, oil circuit is L-type oil circuit, can stay oil to oil sealing chamber by lubricating cup and oil circuit, thus is covered with dust by outside fluid-tight, felt collar
Auxiliary seal mode further ensures the sealing of equipment.
As preferably, described gland includes two gland monomers docked, and the interface of two described gland monomers leans on
The position of nearly gland centre bore is respectively equipped with pin-and-hole 522 and the pin 523 of adaptation, away from the position correspondence respectively of gland centre bore
Be provided with the through hole communicated and screw 524, be provided with the bolt for fixing two described gland monomers in described screw and screw
525。
As preferably, the gland monomer at described through hole place is provided with depression formation makes this through hole away from one end of interface
The bolt erecting bed 526 being opened on table top, described bolt penetrated in described through hole by the opening on erecting bed and and another
Screw on gland monomer is spirally connected, and the described bolt erecting bed of corresponding same interface and described pin lay respectively at two glands
On monomer.
Described outside framework oil seal includes a framework section bar, be respectively arranged in described framework section bar both ends of the surface and be positioned at described fixed
The adaptive jack of the strip in the portion of position and latch 401, described positioning step and described latch are to described location division lateral surface
On projection section overlapping.
In described end cap embeds described cylinder and the outer face of end cap and the cylinder end face of end cap place end or embedding
In cylinder；The abutment face of described gland and the interface of oil seal cover and two described oil tight skeletons flushes, and described gland and oil
The interface of capping is provided with O RunddichtringO 55.
Being provided with gland before oil seal cover, gland uses split-type structural, so need not dismounting when dismounting and is located at gland
The parts such as the bearing in outside, improve removal efficiency, avoid because dismantling the parts damages caused simultaneously.
But, gland uses split-type structural also to bring another problem while convenient dismounting, and how gland is protected
The problem that card seals.To this, the top and the bottom pin of the application gland and bolt location, it is ensured that its precision and docking firm
Degree, in order to be further ensured that its sealing, the contact surface at oil seal cover Yu gland respectively has a groove, is used for installing O-ring seals,
The outside being simultaneously positioned at outside framework oil seal on gland is mounted with felt collar oil sealing.Said structure improves and makes the same of the convenient dismounting of gland
Time ensure that its sealing.
Embodiment two:
Place the most unlike the embodiments above is that described capping is provided with through described gland and oil seal cover
Interface or using the part of interface as the locating slot 54 of side cell wall, be i.e. posted by gland the inner side end of oil seal cover with
And have locating slot in the oil sealing cavity wall of outside framework oil seal, the positioning step of two outside framework oil seals is located in described locating slot,
Be provided with the gland mounting groove formed that caves on oil seal cover lateral surface with rotating shaft center for axle center, gland medial surface is provided with and presses
The gland positioning convex ring that lid mounting groove is adaptive, locating slot is located on described gland positioning convex ring.Oil seal cover and end cap, bearing fit
The backflash of rear formation Z-type.
Claims (10)
1. novel anti-leakage motorized pulleys oily, easy to assemble, including cylinder (1), are located at described cylinder end and pass through adaptedly
End cap (3) that bearing (2) is sheathed in the rotary shaft (11) of cylinder, the oil sealing being sheathed in described rotary shaft and coordinating with end cap
Assembly, it is characterised in that: described Oil sealing assembly includes the oil sealing lining (7) being sheathed in rotary shaft, is located at outside described end cap
And the capping (5) being sheathed on described oil sealing lining, it is located at the skeleton oil that described capping is interior and is sheathed on described oil sealing lining
Envelope (4)；Described bearing includes inner ring, outer ring and the ball chamber between Internal and external cycle and ball;Described end cap includes being positioned at
Center for coordinating installation bearing and the installation column sleeve (6) of Oil sealing assembly, described installation column sleeve includes overlapping cylinder (61) and set
Post chamber (62), described bearing is located at described sleeve column intracavity, described set cylinder is offered the interior outer space connecting described end cap
Return port (64), described capping is communicated with the backflash (51) of described return port and described ball chamber.
A kind of novel anti-leakage motorized pulleys oily, easy to assemble, it is characterised in that: outside described return port
End opening is provided with several return ports in described set cylinder close overlapping on cylinder core, and described set cylinder, described time
Chute be to just several.
A kind of novel anti-leakage motorized pulleys oily, easy to assemble the most according to claim 1 or claim 2, it is characterised in that: described capping bag
Including gland (52), oil seal cover (53) between gland and end cap, described backflash is opened in the medial surface of described oil seal cover
On, described outside framework oil seal is with the interface of gland and oil seal cover for opposing two arranged that recline of the plane of symmetry.
4. want a kind of novel anti-leakage motorized pulleys oily, easy to assemble described in 3 according to right, it is characterised in that: described outside framework oil seal bag
Include main framing (41), be fixed on main framing two ends and extend for the location division (43) and the oil that form oil seal groove (42) to the same side
Envelope portion；Described location division is provided with positioning step (44), institute with the outside left connecting end oil seal groove dorsad of described main framing
State capping to be provided with through described gland and the interface of oil seal cover or using the part of interface as the locating slot of side cell wall
(54), the positioning step on two described outside framework oil seals reclines dorsad and is inserted in described locating slot.
5. want a kind of novel anti-leakage motorized pulleys oily, easy to assemble described in 4 according to right, it is characterised in that: described oil sealing portion includes
It is located close to the dust excluder lips (46) of main framing side, away from the sealing lip (45) of main framing side, is positioned at dust excluder lips and sealing lip
Between the waist of depression；Described main framing is provided with dustproof buffered chamber (47), described oil seal groove towards the back side of another main framing
The cell wall being positioned at oil sealing portion be provided with spring groove (48), be provided with wound spring (49) in described spring groove.
6. want a kind of novel anti-leakage motorized pulleys oily, easy to assemble described in 4 or 5 according to right, it is characterised in that: court on described gland
On the inner ring face of oil sealing lining, have a ring recess, be provided with felt collar oil sealing (521) in described ring recess, described gland be additionally provided with logical
Cross the lubricating cup (8) that the oil sealing chamber at oil circuit and the described outside framework oil seal place being opened in gland connects, the inner port of described oil circuit
It is opened on the position, oil sealing chamber at the outside framework oil seal place outside the described gland and the oil sealing of inner port and this outside framework oil seal
Groove connects.
7. want a kind of novel anti-leakage motorized pulleys oily, easy to assemble described in 4 or 5 according to right, it is characterised in that: described gland includes
The gland monomer of two docking, on the interface of two described gland monomers, the position near gland centre bore is respectively equipped with adaptation
Pin-and-hole (522) and pin (523), the position away from gland centre bore is respectively correspondingly provided with the through hole and screw communicated
(524), it is provided with the bolt (525) for fixing two described gland monomers in described screw and screw.
8. want a kind of novel anti-leakage motorized pulleys oily, easy to assemble described in 7 according to right, it is characterised in that: described through hole place
Gland monomer be provided with depression formed make this through hole away from bolt erecting bed (526) on table top of the one end open of interface,
In described bolt penetrates described through hole by the opening on erecting bed and it is spirally connected with the screw on another gland monomer, corresponding same
The described bolt erecting bed of interface and described pin lay respectively on two gland monomers.
9. want a kind of novel anti-leakage motorized pulleys oily, easy to assemble described in 5 according to right, it is characterised in that: described outside framework oil seal bag
Include a framework section bar, be respectively arranged in described framework section bar both ends of the surface and the strip that is positioned on described location division adaptive
Jack and latch (401), described positioning step is overlapping with the projection section on described latch to described location division lateral surface.
10. want a kind of novel anti-leakage motorized pulleys oily, easy to assemble described in 5 according to right, it is characterised in that: described end cap embeds institute
State in cylinder and the outer face of end cap and the cylinder end face of end cap place end or embed in cylinder；Described gland and oil seal cover
Interface and the abutment face of two described oil tight skeletons flush, and the interface of described gland and oil seal cover to be provided with O type close
Seal (55).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610587264.0A CN106015564B (en) | 2016-07-25 | 2016-07-25 | A kind of novel anti-leakage is oily, motorized pulleys easy to assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610587264.0A CN106015564B (en) | 2016-07-25 | 2016-07-25 | A kind of novel anti-leakage is oily, motorized pulleys easy to assemble |
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| Publication Number | Publication Date |
|---|---|
| CN106015564A true CN106015564A (en) | 2016-10-12 |
| CN106015564B CN106015564B (en) | 2018-01-26 |
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| CN201610587264.0A Active CN106015564B (en) | 2016-07-25 | 2016-07-25 | A kind of novel anti-leakage is oily, motorized pulleys easy to assemble |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561541A (en) * | 2018-05-16 | 2018-09-21 | 湖南南方宇航高精传动有限公司 | A kind of sealing structure of the main driving planetary reducer of shield |
| CN109268503A (en) * | 2018-10-26 | 2019-01-25 | 江苏永钢集团有限公司 | A kind of novel coupler sealing device |
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| CN201023950Y (en) * | 2007-04-11 | 2008-02-20 | 天津减速机股份有限公司 | Gumming type two-stage cycloid deceleration electric roller |
| CN203585329U (en) * | 2013-11-26 | 2014-05-07 | 嘉兴圣丽雅家纺有限公司 | Sealing structure for bearing of draw machine |
| CN203880090U (en) * | 2014-06-11 | 2014-10-15 | 西安斯克达机械制造有限公司 | Dustproof and waterproof roller sealing structure |
| CN104279385A (en) * | 2014-08-13 | 2015-01-14 | 杭州优能特旋转接头制造厂 | Rotating joint with high sealing property |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3628799A (en) * | 1970-01-19 | 1971-12-21 | Borg Warner | Mechanical seal assembly with leakage control |
| CN2915781Y (en) * | 2006-03-30 | 2007-06-27 | 孙立 | Oil-immersed type electric roller |
| CN201023950Y (en) * | 2007-04-11 | 2008-02-20 | 天津减速机股份有限公司 | Gumming type two-stage cycloid deceleration electric roller |
| CN203585329U (en) * | 2013-11-26 | 2014-05-07 | 嘉兴圣丽雅家纺有限公司 | Sealing structure for bearing of draw machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108561541A (en) * | 2018-05-16 | 2018-09-21 | 湖南南方宇航高精传动有限公司 | A kind of sealing structure of the main driving planetary reducer of shield |
| CN109268503A (en) * | 2018-10-26 | 2019-01-25 | 江苏永钢集团有限公司 | A kind of novel coupler sealing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106015564B (en) | 2018-01-26 |
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