CN103939615A - Sealing device of table concentrator eccentric transmission shaft - Google Patents
Sealing device of table concentrator eccentric transmission shaft Download PDFInfo
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- CN103939615A CN103939615A CN201410122514.4A CN201410122514A CN103939615A CN 103939615 A CN103939615 A CN 103939615A CN 201410122514 A CN201410122514 A CN 201410122514A CN 103939615 A CN103939615 A CN 103939615A
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- runddichtringo
- abutment sleeve
- eccentric
- transmission shaft
- shaft
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Abstract
The invention discloses a sealing device of a table concentrator eccentric transmission shaft. The sealing device comprises a positioning sleeve which is used for being connected with the eccentric transmission shaft. The positioning sleeve surrounds the eccentric transmission shaft and cavities capable of containing lubricating agents are formed in a surrounding zone. Openings of the cavities at the two ends are sealed by sealing rings. A belt wheel arranged outside the positioning sleeve is arranged on one side of each sealing ring and the other side of each sealing ring is provided with an end-sealing cover of the eccentric transmission shaft. Each sealing ring is fixed by the corresponding belt wheel and the corresponding end-sealing cover through clamping. The sealing rings comprise the O-type sealing ring and the Y-type sealing ring. The sealing device of the table concentrator eccentric transmission shaft solves the problem of oil leakage of an existing transmission shaft sealing device, frequent replacement of the positioning sleeve is avoided, and the sealing device has the advantages of being small in oil consumption, high in stability and the like.
Description
Technical field
The present invention relates to a kind of sealed device for drive-shaft, especially shaking table eccentric gearing shaft sealer.
Background technique
In mineral processing in China industry, shaking table is conventional preparation equipment, and the topmost transmission apparatus of shaking table is eccentric drive shaft.Eccentric drive shaft in rotation relies on a large amount of lubricant oil to reduce transmission shaft and it accepts the friction between parts, for fear of oil leak, reduces fuel consumption, and general eccentric drive shaft all can be equipped with sealed device for drive-shaft.
Common eccentric gearing shaft sealer comprises the abutment sleeve for accepting transmission shaft, abutment sleeve surrounds transmission shaft form the cavity that can load oiling agent, cavity relies on seal ring to seal opening, seal ring is arranged on the belt wheel of abutment sleeve outside on one side, another side is the end-blocking lid of transmission shaft, and seal ring is fixedly clamped by belt wheel and end-blocking lid.This seal arrangement really can remain on lubricant oil in the cavity that transmission shaft and abutment sleeve surround in the situation that abutment sleeve is not damaged, and plays good oil plant seal action.But, after using a period of time, more or less there are some damages in abutment sleeve, this just makes the direct crush seal circle of eccentric drive shaft, seal ring generation deformation in eccentric shaft rotary course, seal ring and eccentric shaft and abutment sleeve port are no longer combined closely, and lubricant oil will leak out from gap wherein, abutment sleeve damages larger, eccentric drive shaft rotating speed is faster, and the gap that extruding causes is just larger, and Leakage is more serious.
Solve Leakage and can change the abutment sleeve of damage, avoid the extruding of transmission shaft to seal ring, but the damage of the lighter degree of abutment sleeve only can cause the generation of Leakage not affect the transmission effect of eccentric drive shaft, the not only complex operation of frequent replacing of abutment sleeve, also consumed more abutment sleeve, on funds use, lost more than gain.
The domestic sealing patented technology that discloses many relevant transmission shafts, as:
1, [title] sealed device for drive-shaft, [patent No.] CN01133957.8, the patent documentation of [publication number] CN1363791 discloses a kind of seal arrangement and has had an internal axle sleeve that is enclosed within transmission shaft, uses its seal transmission shaft.Internal axle sleeve is enclosed in an external axle sleeve, and the inner diameter of internal axle sleeve is greater than the outer diameter of guided transmission shaft.Internal axle sleeve at least has an oil or grease duct, and this pipeline at least has an outflow opening in the inner side edge region of internal axle sleeve, and it can be connected with oil or grease feedway.This sealed device for drive-shaft is that the seal request based on common transmission shaft designs, and because the rotary course of transmission shaft does not exist eccentric motion, even if axle sleeve is damaged, transmission shaft is also not serious to the extruding of seal ring, generally can not produce Leakage.But this seal arrangement is not suitable for the sealing of eccentric drive shaft, because for eccentric drive shaft, in the time there is damage in abutment sleeve, the direct crush seal circle of eccentric drive shaft, seal ring generation deformation in eccentric shaft rotary course, seal ring and eccentric shaft and abutment sleeve port are no longer combined closely, and lubricant oil will leak out from gap wherein.
2, [title] has the oil hydraulic cylinder of the O-ring seals of variable-size, [patent No.] CN201080063716.6, [publication number] CN102782375A, disclose a kind of for promoting heavy duty novel hydraulic cylinder and piston system, it is manufactured by commercial cylinder, and the lower end closed of cylinder barrel (1) wherein, the inside, upper end of cylinder barrel is equipped with the rigidity packing ring (2) of welding.Piston is welded with another rigidity packing ring (4) on the outer surface apart from its a distance, lower end.Following element is arranged between cylinder barrel and piston, that is: by the O-ring seals (6) with the form-varied that high elasticity, low friction, compressible, deformable elastic material make; And loose packing ring.In the time that O-ring seals compresses, this system closing, guarantees sealing.But, this invention under water sand mixture, rigidity packing ring (2) flexible type, sealing ring tightness easily lost efficacy, and the lubricant oil spilling not again recycle, do not meet national energy-saving reduce discharging policy.
3, [title] a kind of grate-cooler sealed device for drive-shaft, [patent No.] CN201220500177.4, [notification number] CN203009826, discloses a kind of grate-cooler sealed device for drive-shaft.Be arranged on grate-cooler and transmission shaft, comprise: spring bearer plate, half clamping ring, half pressure plate loop, slide plate and sealing plate, slide plate and sealing plate are spliced to form, on sealing plate, be provided with waist shaped hole, chute and endless oil groove and oilhole, slide plate is provided with circular hole, two halves clamping ring symmetry is spliced to form ring clamping ring, and is fixed on transmission shaft; Slide plate be plugged on sealing plate in chute, sealing plate is fixed on the side plate of grate-cooler, and described waist shaped hole on described hole and sealing plate on slide plate is all set in transmission shaft; Described two halves pressure plate loop symmetry is spliced to form ring pressure plate loop, and is set on the transmission shaft between clamping ring and slide plate, and spring bearer plate is connected on pressure plate loop, and the lower side pressure of spring bearer plate is touched on slide plate, and pressure plate loop is resisted against on clamping ring.Advantage is: dismounting becomes very easy, be convenient to replacing or the maintenance of easily damaged parts in seal arrangement, but this does not have thoroughly to solve the Leakage of eccentric drive shaft, frequently changes abutment sleeve and has also consumed more abutment sleeve, on funds use, loses more than gain.
Therefore be necessary that the scheme that design makes new advances solves the Leakage that existing eccentric gearing shaft sealer exists.
Summary of the invention
The present invention is the problem that the existing sealed device for drive-shaft of solution exists easy leakage of oil, provides and need not frequently change abutment sleeve and the lasting shaking table eccentric gearing shaft sealer of sealing.
Shaking table eccentric gearing shaft sealer of the present invention, comprise the abutment sleeve for accepting eccentric drive shaft, abutment sleeve surrounds eccentric drive shaft forming the cavity that can load oiling agent in enclosing region, cavity hatch sealed circle in two ends seals, seal ring is arranged on the belt wheel of abutment sleeve outside on one side, another side is the end-blocking lid of eccentric drive shaft, and seal ring is fixedly clamped by belt wheel and end-blocking lid.Described seal ring comprises " O " RunddichtringO and " Y " RunddichtringO, " O " RunddichtringO and " Y " RunddichtringO eccentric drive shaft that is all locked, " O " RunddichtringO props up cavity hatch, and opening is sealed completely, the annular inner portion of " Y " RunddichtringO is close to " O " RunddichtringO, and outer shroud " V " type part is close to abutment sleeve port.
Described abutment sleeve is provided with at its belt wheel end the spill port that diameter is 11-13mm, and spill port loads utensil by pipeline with outside lubricant oil and is communicated with.Described " O " RunddichtringO (201) and " Y " RunddichtringO (202) are provided with elastic seal ring.
Shaking table eccentric gearing shaft sealer of the present invention utilizes two seal rings---and " O " RunddichtringO and " Y " RunddichtringO have ensured the sealing of this device under the slight damaged condition of abutment sleeve, " O " RunddichtringO has thicker arc sealing area, in being subject to eccentric drive shaft extruding, just part is extruded distortion, remainder still can be blocked cavity, prevent that lubricant oil from spilling from cavity hatch, " Y " RunddichtringO, because there is special " V " type part, can be close to abutment sleeve port and prevents that lubricant oil from spilling from this; Abutment sleeve is provided with at its belt wheel end the spill port that diameter is 11-13mm, can be at the oil pressure discharging in cavity, and the lubricant oil of release is logical also can return to lubricant oil loading utensil by pipeline, so that recycling.Therefore, eccentric gearing shaft sealer of the present invention is applied to transmission case, need not frequently changes the sealing that abutment sleeve just can keep eccentric gearing shaft sealer lastingly, be conducive to the recycling of lubricant oil simultaneously, reduce fuel consumption.
Brief description of the drawings
Fig. 1 is transmission case structure (including sealed device for drive-shaft) schematic diagram.
Fig. 2 is shaking table eccentric drive shaft schematic diagram of sealing device of the present invention.
Fig. 3 is traditional eccentric drive shaft schematic diagram of sealing device.
In figure: 1-abutment sleeve; 2-seal ring; 201-" O " RunddichtringOs; 202-" Y " RunddichtringOs; 3-end-blocking lid; 4-eccentric drive shaft; 5-cavity; 6-belt wheel; 7-spill port.
Embodiment
The invention will be further described with reference to the accompanying drawings and in conjunction with embodiment below.
As Fig. 1, 2, shown in 3, shaking table eccentric gearing shaft sealer of the present invention, install in transmission case, it can be the directly direct replacement to the traditional sealed device for drive-shaft in transmission case, comprise the abutment sleeve 1 for accepting eccentric drive shaft 4, the length of abutment sleeve 1 is 155mm, shorten 5mm to " O " RunddichtringO 201 and " Y " RunddichtringO 202 are installed compared with tradition, abutment sleeve surrounds eccentric drive shaft forming the cavity 5 that can load oiling agent in enclosing region, cavity 5 is because the multiple radiuses of having of eccentric drive shaft present stepped, the sealed circle 2 of two ends cavity hatch seals, seal ring is arranged on the belt wheel 6 of abutment sleeve outside on one side, another side is the end-blocking lid 3 of eccentric drive shaft, seal ring is fixedly clamped by belt wheel and end-blocking lid.
Seal ring 2 in Fig. 2 comprises " O " RunddichtringO 201 and " Y " RunddichtringO 202, " O " RunddichtringO 201 and " Y " RunddichtringO 202 eccentric drive shaft 4 that is all locked, " O " RunddichtringO 201 props up cavity hatch, and opening is sealed completely, the annular inner portion of " Y " RunddichtringO 202 is close to " O " RunddichtringO 201, and outer shroud " V " type part is close to abutment sleeve 1 port." O " RunddichtringO and " Y " RunddichtringO have ensured the sealing of this device under the slight damaged condition of abutment sleeve: when damage has to a certain degree occurred abutment sleeve 1, due to eccentric motion, still direct crush seal circle of eccentric drive shaft, but because " O " RunddichtringO has thicker arc sealing area, in being subject to eccentric drive shaft extruding, just part is extruded distortion, remainder still can be blocked cavity, prevent that lubricant oil from spilling from cavity hatch, " Y " RunddichtringO is because there is special " V " type part, can be close to abutment sleeve port and prevent that lubricant oil from spilling from this, but when abutment sleeve 1 has occurred when badly damaged, " O " RunddichtringO can not seal cavity hatch completely, and oil plant can leak, and is now just necessary the abutment sleeve more renewing.
Described abutment sleeve 1 is provided with at its belt wheel end the spill port 7 that diameter is 12mm, spill port 7 loads utensil by pipeline with outside lubricant oil and is communicated with, pressure valve can be set on pipeline, in the time that the pressure in cavity 5 exceedes safety range, open valve and discharge the interior oil pressure of cavity 5.In working procedure, due to the eccentric motion of eccentric drive shaft, can produce a powerful oil pressure in interior moment of cavity 5, cavity inside and outside differential pressure is increased severely, just because of there is very big pressure reduction to exist, impel the lubricant oil in cavity 5 acutely to move to area of low pressure from high-pressure area, very easily cause oil plant leak, the setting of spill port 7, can make lubricant oil from spill port 7 flow out, discharge oil pressure in cavity, lubricant oil flows back to fuel tank by conduit.Can maintain like this stable of the interior oil pressure of cavity, also help the re-using of oil plant.After the present invention, lubricant oil no longer spills with the rotation of transmission eccentric shaft, thoroughly solves the leakage of oil disadvantage that sealed device for drive-shaft exists, and has reduced fuel consumption.
Described " O " RunddichtringO 201 and preferably flexible seal ring of " Y " RunddichtringO 202, elastic material has better deformation recovery capability, after receiving transmission shaft extruding, can recover rapidly original form, the sealing of lasting holding device.
After tested, the shaking table eccentric drive shaft that different sealed device for drive-shaft are applied to, the eccentric gearing shaft sealer performance data before and after the improvement of acquisition, now will contrast as follows:
| Eccentric gearing shaft sealer | Tradition sealed device for drive-shaft | Seal arrangement of the present invention |
| Shaking table transmission case moon fuel consumption (75) | >580㎏ | <190㎏ |
| Stream time (my god) | Approximately 2 | Approximately 3 |
| Maintenance cost (ten thousand yuan) | Approximately 1.1 | Approximately 0.8 |
Above Data Comparison analysis, under identical operating environment, is used seal arrangement of the present invention not only to save fuel consumption every month of 390 ㎏, and also obviously prolongation of stream time, obvious technical effects.
Eccentric gearing shaft sealer of the present invention, is highly suitable for shaking table transmission case transmission eccentric shaft as oil plant water-tight equipment, also can be widely used in other eccentric drive shaft close as oil plant water-tight equipment.
Claims (3)
1. a shaking table eccentric gearing shaft sealer, comprise the abutment sleeve (1) for accepting transmission shaft (4), abutment sleeve surrounds and forms in enclosing region the cavity (5) that can load oiling agent by eccentric drive shaft, the sealed circle of two ends cavity hatch (2) seals, seal ring is arranged on the belt wheel (6) of abutment sleeve outside on one side, another side is the end-blocking lid (3) of eccentric drive shaft, seal ring is fixedly clamped by belt wheel and end-blocking lid, it is characterized in that: described seal ring (2) comprises " O " RunddichtringO (201) and " Y " RunddichtringO (202), " O " RunddichtringO (201) and " Y " RunddichtringO (202) eccentric drive shaft (4) that is all locked, " O " RunddichtringO (201) props up cavity hatch, and opening is sealed completely, the annular inner portion of " Y " RunddichtringO (202) is close to " O " RunddichtringO (201), outer shroud " V " type part is close to abutment sleeve (1) port.
2. shaking table eccentric gearing shaft sealer according to claim 1, it is characterized in that: described abutment sleeve (1) is provided with the spill port that diameter is 11-13mm (7) at its belt wheel end, spill port loads utensil by pipeline with outside lubricant oil and is communicated with.
3. shaking table eccentric gearing shaft sealer according to claim 1, is characterized in that: described " O " RunddichtringO (201) and " Y " RunddichtringO (202) are provided with elastic seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410122514.4A CN103939615B (en) | 2014-03-28 | 2014-03-28 | Shaking table eccentric gearing shaft sealer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410122514.4A CN103939615B (en) | 2014-03-28 | 2014-03-28 | Shaking table eccentric gearing shaft sealer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103939615A true CN103939615A (en) | 2014-07-23 |
| CN103939615B CN103939615B (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410122514.4A Active CN103939615B (en) | 2014-03-28 | 2014-03-28 | Shaking table eccentric gearing shaft sealer |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0303860A2 (en) * | 1987-08-21 | 1989-02-22 | Messer Griesheim Gmbh | Safety valve for the outer vessel of a double wall vacuum-insulated storage tank for low boiling liquified gases |
| CN1363791A (en) * | 2000-08-17 | 2002-08-14 | B+V工业技术股份有限公司 | Sealed device for drive-shaft |
| CN2900733Y (en) * | 2006-05-26 | 2007-05-16 | 朴春花 | Ground spring seal structure |
| US20070273106A1 (en) * | 2003-10-16 | 2007-11-29 | Kaoru Nomichi | Gas Seal Structure |
| DE102007051921A1 (en) * | 2007-10-29 | 2009-04-30 | Ludwig Hiss | O-ring-like-spreading gas seal for providing flange connection of pipe, has cut with profile provided around periphery parallel to surfaces so that cross section guided inwardly through seal, has Y shape on contact zone of seal |
| CN201306447Y (en) * | 2008-12-12 | 2009-09-09 | 沙市久隆汽车动力转向器有限公司 | Output end sealing structure for recirculating ball power steering gear |
| CN102782375A (en) * | 2009-12-11 | 2012-11-14 | 大洋洲工程集团有限公司 | Hydraulic cylinder including a variable-shape o-ring |
| CN203009826U (en) * | 2012-09-26 | 2013-06-19 | 兴化市东方机械有限责任公司 | Sealing device of grate cooler transmission shaft |
| CN204114145U (en) * | 2014-03-28 | 2015-01-21 | 广西华锡集团股份有限公司再生资源分公司 | Shaking table eccentric gearing shaft sealer |
-
2014
- 2014-03-28 CN CN201410122514.4A patent/CN103939615B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0303860A2 (en) * | 1987-08-21 | 1989-02-22 | Messer Griesheim Gmbh | Safety valve for the outer vessel of a double wall vacuum-insulated storage tank for low boiling liquified gases |
| CN1363791A (en) * | 2000-08-17 | 2002-08-14 | B+V工业技术股份有限公司 | Sealed device for drive-shaft |
| US20070273106A1 (en) * | 2003-10-16 | 2007-11-29 | Kaoru Nomichi | Gas Seal Structure |
| CN2900733Y (en) * | 2006-05-26 | 2007-05-16 | 朴春花 | Ground spring seal structure |
| DE102007051921A1 (en) * | 2007-10-29 | 2009-04-30 | Ludwig Hiss | O-ring-like-spreading gas seal for providing flange connection of pipe, has cut with profile provided around periphery parallel to surfaces so that cross section guided inwardly through seal, has Y shape on contact zone of seal |
| CN201306447Y (en) * | 2008-12-12 | 2009-09-09 | 沙市久隆汽车动力转向器有限公司 | Output end sealing structure for recirculating ball power steering gear |
| CN102782375A (en) * | 2009-12-11 | 2012-11-14 | 大洋洲工程集团有限公司 | Hydraulic cylinder including a variable-shape o-ring |
| CN203009826U (en) * | 2012-09-26 | 2013-06-19 | 兴化市东方机械有限责任公司 | Sealing device of grate cooler transmission shaft |
| CN204114145U (en) * | 2014-03-28 | 2015-01-21 | 广西华锡集团股份有限公司再生资源分公司 | Shaking table eccentric gearing shaft sealer |
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| Publication number | Publication date |
|---|---|
| CN103939615B (en) | 2017-01-04 |
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Effective date of registration: 20200901 Address after: Yinghua Road, Dachang Town, Nandan county, Hechi City, Guangxi Zhuang Autonomous Region Patentee after: Renewable resources branch of Guangxi Huaxi Mining Co.,Ltd. Address before: 547205, Hechi County, the Guangxi Zhuang Autonomous Region City, Nandan Dachang Barry District Patentee before: RENEWABLE RESOURCE BRANCH OF CHINA TIN GROUP Co.,Ltd. |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20140723 Assignee: Guangxi Baigang Rhenium Mining Co.,Ltd. Assignor: Renewable resources branch of Guangxi Huaxi Mining Co.,Ltd. Contract record no.: X2023450000034 Denomination of invention: Sealing device for eccentric transmission shaft of shaking table Granted publication date: 20170104 License type: Common License Record date: 20230825 |