CN200989442Y - Hydraulic self-balancing transmission sealing device - Google Patents
Hydraulic self-balancing transmission sealing device Download PDFInfo
- Publication number
- CN200989442Y CN200989442Y CN 200620036518 CN200620036518U CN200989442Y CN 200989442 Y CN200989442 Y CN 200989442Y CN 200620036518 CN200620036518 CN 200620036518 CN 200620036518 U CN200620036518 U CN 200620036518U CN 200989442 Y CN200989442 Y CN 200989442Y
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- oil
- moving plate
- fuel
- displaced
- ring
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Abstract
The utility model discloses a hydraulic self-balance transmission sealing device and pertains to the technology field of the switching device of a piston-pushing material centrifuge hydraulic oil, containing an oil outlet dynamic plate and an oil storage dynamic plate that are telescoped in a hollow shaft side by side. The oil storage dynamic plate is embedded with a switching static plate; outside the oil storage dynamic plate is connected with an outer retaining ring; outside the oil outlet dynamic plate is telescoped with an oil inlet static plate; besides, the switching static plate and the oil inlet static plate are connected fixedly and the oil outlet dynamic plate and the oil storage dynamic plate are connected fixedly; the outer circumference of the oil inlet static plate is provided with a radial oil inlet hole and an axial oil inlet hole; the switching static plate is provided with a V-shaped vittae; the oil outlet dynamic plate is provided with a direct oil through with a slope; the radial oil inlet hole, the axial oil inlet hole, the V-shaped vittae and the direct oil through form a pressure oil passage. The utility model realizes the transformation of radial oil inlet into synchronously rotary axial oil outlet and dynamic self-balance, besides, the utility model can self adjust the oil mass to realize stepless oil supply; the utility model is mainly applied to the switching device of a piston-pushing material centrifuge hydraulic oil.
Description
Technical field
The utility model relates to a kind of COMM communication of hydraulic oil, especially relates to a kind of COMM communication of piston push centrifuge hydraulic oil.
Background technique
The oil dispenser of existing piston pusher centrifuge all is the mechanical seal of adopting, all be that sealing surface is provided with spring, to apply pretightening force, spring must head on sealing surface all the time so, and sealing surface is a contact-type, and the frictional force between the sealing surface is big, sealing surface damages easily, when especially oil contained impurity, the wearing and tearing between the sealing surface were more violent, thereby cause the working life of oil dispenser very short.
The model utility content
Based on above-mentioned need of practice, the technical problem that the utility model solves is: provide a kind of radially oil-feed that piston push centrifuge hydraulic oil is static to be converted into the hydraulic self-balanced transmission seal arrangement axial fuel-displaced, noncontact seal of synchronous rotation.
The technical solution of the utility model is: a kind of hydraulic self-balanced transmission seal arrangement, comprise a kind of hydraulic self-balanced transmission seal arrangement, comprise the fuel-displaced Moving plate and the store oil Moving plate that are set in side by side on the hollow shaft, the store oil Moving plate is embedded with and switches quiet dish, the store oil Moving plate is fixed with outer back-up ring outward, and fuel-displaced Moving plate is set with the quiet dish of oil-feed outward, and, switch quiet dish and fixedly connected with the quiet dish of oil-feed, fuel-displaced Moving plate is fixedlyed connected with the store oil Moving plate; The quiet dish excircle of oil-feed is provided with radially oil inlet hole and axial fuel inlet hole, switch quiet dish and be provided with the V-type oil duct, fuel-displaced Moving plate is provided with the straight-through oilhole of band gradient, and wherein, radially oil inlet hole, axial fuel inlet hole, V-type oil duct and straight-through oilhole are communicated with formation pressure oil circuit in turn.
Working principle of the present utility model is: when the radially oil inlet hole of static pressure oil from the quiet dish of oil-feed enters, enter the V-type oil duct that switches quiet dish through the axial fuel inlet hole, form oil film on the surface of contact between quiet dish of oil-feed and the quiet dish of switching, thereby prevented the direct contact on surface, reduced surface abrasion; The pressure oil straight-through oilhole of the band gradient on the fuel-displaced Moving plate of flowing through then, because fuel-displaced Moving plate is with the axle high speed rotating, the pressure oil of the straight-through oilhole of the band gradient on the fuel-displaced Moving plate of flowing through so is high speed rotating thereupon also, the oil outlet of the pressure oil of high speed rotating by straight-through oilhole enters the oil duct in the hollow shaft, because pressure oil and axle rotation synchronously, pressure oil enters the dynamic balancing that an internal oil channel can not influence axle, also can realize steady fuel feeding well.
Be equipped with the stepped shaft seal ring on the interior ring of described fuel-displaced Moving plate and store oil Moving plate, and the oil outlet of the straight-through oilhole on the fuel-displaced Moving plate is between the stepped shaft seal ring.The effect of the stepped shaft seal ring here is to make the oil pressure equilibrium of Seal cage, has also effectively prevented the leakage of hydraulic oil.
Described store oil Moving plate excircle is provided with annular oil cavity, and annular oil cavity is by v-ring and outer retaining ring sealing, and the annular oil cavity passing hole channel is communicated with straight-through oilhole.Annular oil cavity by the v-ring sealing not only can play the store oil effect, but also can play the balance adjustment effect, the oil circuit that promptly plays the balance adjustment effect enters in the annular oil cavity of v-ring sealing through the duct on the store oil Moving plate, make it to produce a reciprocal couple, when couple changes, its buffering regulating action of spring guarantees that the pretightening force of sealing surface is moderate.
The radially oily line that the end end face that described store oil Moving plate contacts with fuel-displaced Moving plate is provided with circumferential groove and is communicated with it, radially the other end of oily line is communicated with axial hole on the store oil Moving plate; Described fuel-displaced Moving plate is provided with oil outlet, and oil outlet is communicated with circumferential groove.This structure mainly is the oil circuit that has formed lubricate, and promptly pressure oil enters in the circumferential groove on the store oil Moving plate end face through oil outlet, enters axial hole by radially oily line again, and entering by axial hole needs lubricated parts.
On the excircle of the quiet dish of described oil-feed and be positioned at radially that oil inlet hole, both sides are provided with the stepped shaft seal ring.Being used for of the stepped shaft seal ring here seals the circumferential surface and the centrifuge casing of the radially oil inlet hole both sides of the quiet dish of oil-feed, prevents the leakage of hydraulic oil.
Be connected by screw between the quiet dish of described switching and the quiet dish of oil-feed.Be connected by screw between described fuel-displaced Moving plate and the store oil Moving plate.Described store oil Moving plate is connected by pin with outer back-up ring.
The excircle that described store oil Moving plate contacts with outer back-up ring is provided with the radial spring cavity, and spring is housed in the chamber.The preferred ripple spring of the spring here.
Installation method of the present utility model is: the utility model is installed on the hollow shaft of piston type pusher centrifuge, makes the oil outlet of straight-through oilhole of the band gradient on the fuel-displaced Moving plate be communicated with oil supply hole on the hollow shaft excircle.
The beneficial effects of the utility model are: realized that the static radially oil-feed of piston push centrifuge hydraulic oil is converted into the axially fuel-displaced of synchronous rotation, realized dynamic self balancing and sealing, and can regulate oil mass automatically, realized stepless fuel feeding.
Below in conjunction with the drawings and specific embodiments the utility model is further specified.
Description of drawings
Fig. 1 is the cross-sectional view of the utility model preferred embodiment;
Fig. 2 is that Fig. 1 is installed on the cross-sectional view on the hollow shaft;
Reference character: 1 for the quiet dish of oil-feed, and 1-1 is oil inlet hole radially, and 1-2 is the axial fuel inlet hole: 2 is fuel-displaced Moving plate, 2-1 is straight-through oilhole, and 2-11 is an oil outlet, and 2-2 is an oil outlet, 3 for switching quiet dish, and 3-1 is the V-type oil duct, and 4 are the store oil Moving plate, 4-1 is an annular oil cavity, and 4-2 is the duct, and 4-3 is a circumferential groove, 4-4 is an axial hole for radially oily line, 4-5, and 5 is outer back-up ring, 6 is the stepped shaft seal ring, 7 is v-ring, and 8 is pin, and 9 is spring, 10 is the stepped shaft seal ring, 11 is screw, and 12 is screw, and 13 is hollow shaft, 13-1 is an oil supply hole, and 13-2 is an oil duct.
Embodiment
Preferred embodiment:
As shown in Figure 1, a kind of hydraulic self-balanced transmission seal arrangement, comprise a kind of hydraulic self-balanced transmission seal arrangement, comprise the fuel-displaced Moving plate 2 and the store oil Moving plate 4 that are set in side by side on the hollow shaft 13, store oil Moving plate 4 is embedded with and switches quiet dish 3, is fixed with outer back-up ring 5 by pin 8 outside the store oil Moving plate 4, the fuel-displaced Moving plate 2 outer quiet dishes 1 of oil-feed that are set with, and, switching quiet dish 3 and fixedly connected by screw 11 with the quiet dish 1 of oil-feed, fuel-displaced Moving plate 2 is fixedlyed connected by screw 12 with store oil Moving plate 4; Quiet dish 1 excircle of oil-feed is provided with radially oil inlet hole 1-1 and axial fuel inlet hole 1-2, switch quiet dish 3 and be provided with V-type oil duct 3-1, fuel-displaced Moving plate 2 is provided with the straight-through oilhole 2-1 of band gradient, wherein, radially oil inlet hole 1-1, axial fuel inlet hole 1-2, V-type oil duct 3-1 and straight-through oilhole 2-1 are communicated with formation pressure oil circuit in turn.As shown in Figure 2, when the utility model being installed on the hollow shaft 13, make the oil outlet 2-11 of straight-through oilhole 2-1 of the band gradient on the fuel-displaced Moving plate 2 be communicated with oil supply hole 13-1 on hollow shaft 13 excircles, the oil duct 13-2 in the hollow shaft 13 are communicated with oil supply hole 13-1.On the excircle of the quiet dish 1 of described oil-feed and be positioned at radially that oil inlet hole 1-1 both sides are provided with stepped shaft seal ring 10.Be equipped with stepped shaft seal ring 6 on the interior ring of described fuel-displaced Moving plate 2 and store oil Moving plate 4, and the oil outlet 2-11 of the straight-through oilhole 2-1 on the fuel-displaced Moving plate 2 is between stepped shaft seal ring 6.
Described store oil Moving plate 4 excircles are provided with annular oil cavity 4-1, and annular oil cavity 4-1 is by v-ring 7 and outer back-up ring 5 sealings, and annular oil cavity 4-1 passing hole channel 4-2 is communicated with straight-through oilhole 2-1.Described store oil Moving plate 4 is provided with the radial spring cavity with the excircle that outer back-up ring 5 contacts, and ripple spring 9 is housed in the chamber.Annular oil cavity 4-1 by the v-ring sealing not only can play the store oil effect, but also can play the balance adjustment effect, the oil circuit that promptly plays the balance adjustment effect enters in the annular oil cavity of v-ring 7 sealings through the duct 4-2 on the store oil Moving plate 4, make it to produce a reciprocal couple, when couple changes, spring 9 its buffering regulating actions guarantee that the pretightening force of sealing surface is moderate.
The radially oily line 4-4 that the end end face that described store oil Moving plate 4 contacts with fuel-displaced Moving plate 2 is provided with circumferential groove 4-3 and is communicated with it, the other end of radially oily line 4-4 is communicated with axial hole 4-5 on the store oil Moving plate 4; Described fuel-displaced Moving plate 2 is provided with oil outlet 2-2, and oil outlet 2-2 is communicated with circumferential groove 4-3.This structure mainly is the oil circuit that has formed lubricate, being pressure oil enters in the circumferential groove 4-3 on store oil Moving plate 4 end faces through oil outlet 2-2, enter axial hole 4-5 by radially oily line 4-4 again, entering by axial hole 4-5 needs lubricated bearing miscellaneous part alive.
In the present embodiment, the quiet dish 1 of oil-feed is fixedlyed connected transfixion with the quiet dish 3 of switching; Store oil Moving plate 4 is fixedlyed connected with fuel-displaced Moving plate 2, synchronously rotation.
Radially oil inlet hole 1-1 from the quiet dish 1 of oil-feed enters when static pressure oil, enter the V-type oil duct 3-1 that switches quiet dish 3 through axial fuel inlet hole 1-2, the straight-through oilhole 2-1 of the band gradient on the fuel-displaced Moving plate 2 of flowing through then, because fuel-displaced Moving plate 2 is with hollow shaft 13 high speed rotating, the pressure oil of the straight-through oilhole 2-1 of the band gradient on the fuel-displaced Moving plate 2 of flowing through so is high speed rotating thereupon also, the oil outlet 2-11 of the pressure oil of high speed rotating by straight-through oilhole 2-1 enters the oil-feed port 13-1 on the hollow shaft 13, enter the oil duct 13-2 in the hollow shaft 13 again, because pressure oil and axle rotation synchronously, pressure oil enters the dynamic balancing that an internal oil channel can not influence axle, also can realize steady fuel feeding well.Direction shown in the arrow among Figure 15 is the flow direction of pressure oil.
Claims (10)
1, a kind of hydraulic self-balanced transmission seal arrangement, it is characterized in that: comprise the fuel-displaced Moving plate (2) and the store oil Moving plate (4) that are set in side by side on the hollow shaft, store oil Moving plate (4) is embedded with and switches quiet dish (3), the outer outer back-up ring (5) that is fixed with of store oil Moving plate (4), the outer quiet dish of oil-feed (1) that is set with of fuel-displaced Moving plate (2), and, switching quiet dish (3) and fixedly connected with the quiet dish of oil-feed (1), fuel-displaced Moving plate (2) is fixedlyed connected with store oil Moving plate (4); The quiet dish of oil-feed (1) excircle is provided with radially oil inlet hole (1-1) and axial fuel inlet hole (1-2), switch quiet dish (3) and be provided with V-type oil duct (3-1), fuel-displaced Moving plate (2) is provided with the straight-through oilhole (2-1) of band gradient, wherein, radially oil inlet hole (1-1), axial fuel inlet hole (1-2), V-type oil duct (3-1) and straight-through oilhole (2-1) are communicated with formation pressure oil circuit in turn.
2, hydraulic self-balanced transmission seal arrangement according to claim 1, it is characterized in that: be equipped with stepped shaft seal ring (6) on the interior ring of described fuel-displaced Moving plate (2) and store oil Moving plate (4), and fuel-displaced (2-11) of the straight-through oilhole (2-1) on the fuel-displaced Moving plate (2) is positioned between the stepped shaft seal ring (6).
3, hydraulic self-balanced transmission seal arrangement according to claim 1, it is characterized in that: described store oil Moving plate (4) excircle is provided with annular oil cavity (4-1), annular oil cavity (4-1) is by v-ring (7) and outer back-up ring (5) sealing, and annular oil cavity (4-1) passing hole channel (4-2) is communicated with straight-through oilhole (2-1).
4, hydraulic self-balanced transmission seal arrangement according to claim 1, it is characterized in that: the radially oily line (4-4) that the end end face that described store oil Moving plate (4) contacts with fuel-displaced Moving plate (2) is provided with circumferential groove (4-3) and is communicated with it, the other end of radially oily line (4-4) is communicated with axial hole (4-5) on the store oil Moving plate (4); Described fuel-displaced Moving plate (2) is provided with oil outlet (2-2), and oil outlet (2-2) is communicated with circumferential groove (4-3).
5, hydraulic self-balanced transmission seal arrangement according to claim 1 is characterized in that: on the excircle of the quiet dish of described oil-feed (1) and be positioned at radially that oil inlet hole (1-1) both sides are provided with stepped shaft seal ring (10).
6, hydraulic self-balanced transmission seal arrangement according to claim 1 is characterized in that: be connected by screw (11) between the quiet dish of described switching (3) and the quiet dish of oil-feed (1).
7, hydraulic self-balanced transmission seal arrangement according to claim 1 is characterized in that: be connected by screw (12) between described fuel-displaced Moving plate (2) and the store oil Moving plate (4).
8, hydraulic self-balanced transmission seal arrangement according to claim 1 is characterized in that: described store oil Moving plate (4) is connected by pin (8) with outer back-up ring (5).
9, hydraulic self-balanced transmission seal arrangement according to claim 1 is characterized in that: described store oil Moving plate (4) is provided with the radial spring cavity with the excircle that outer back-up ring (5) contacts, and spring (9) is housed in the chamber.
10, hydraulic self-balanced transmission seal arrangement according to claim 9, it is characterized in that: described spring is the ripple spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620036518 CN200989442Y (en) | 2006-12-04 | 2006-12-04 | Hydraulic self-balancing transmission sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620036518 CN200989442Y (en) | 2006-12-04 | 2006-12-04 | Hydraulic self-balancing transmission sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200989442Y true CN200989442Y (en) | 2007-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620036518 Expired - Lifetime CN200989442Y (en) | 2006-12-04 | 2006-12-04 | Hydraulic self-balancing transmission sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200989442Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102147014A (en) * | 2011-03-23 | 2011-08-10 | 苏州瑞维液压科技有限公司 | High-pressure rotary sealing device |
-
2006
- 2006-12-04 CN CN 200620036518 patent/CN200989442Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102147014A (en) * | 2011-03-23 | 2011-08-10 | 苏州瑞维液压科技有限公司 | High-pressure rotary sealing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHENGDU TIANBAO HEAVY EQUIPMENT CO., LTD. Free format text: FORMER NAME OR ADDRESS: CHENGDU TIANBAO MACHINERY MANUFACTURING CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Datong Industrial Zone, Qingbaijiang District, Sichuan City, Chengdu Province, China: 610300 Patentee after: Chengdu Tianbao Heavy Industry Co., Ltd. Address before: Datong Industrial Zone, Qingbaijiang District, Sichuan City, Chengdu Province, China: 610300 Patentee before: Tianbao Machinery Mfg. Co., Ltd., Chengdu |
|
| CX01 | Expiry of patent term |
Granted publication date: 20071212 |
|
| EXPY | Termination of patent right or utility model |