CN204213347U - The export-oriented hybrid type labyrinth gland of a kind of assembling type - Google Patents
The export-oriented hybrid type labyrinth gland of a kind of assembling type Download PDFInfo
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- CN204213347U CN204213347U CN201420599913.5U CN201420599913U CN204213347U CN 204213347 U CN204213347 U CN 204213347U CN 201420599913 U CN201420599913 U CN 201420599913U CN 204213347 U CN204213347 U CN 204213347U
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Abstract
The utility model provides the export-oriented hybrid type labyrinth gland of a kind of assembling type, at least comprise stationary ring and cover on the rotating shaft and the rotating ring rotated with the axis, described stationary ring and rotating ring are two-layer stratigraphic structure, described interior stationary ring is sandwiched between rotating ring, between stationary ring and rotating ring, common Formation cross-section is the through passage of two S shape, described passage has been disposed radially three layers, and the two-layer of inside is grease channel isolation, and outer layer channel is grease channel and sewage routeway; Be provided with two-layer seal ring in described passage, in described grease channel, bottom it, be provided with the oil-return groove that leads to Seal cage vertically, bottom it, be provided with one in described sewage routeway vertically lead to extraneous dump tank.The utility model solves deficiency of the prior art, and this device can either prevent the oil leakage in Seal cage, extraneous pollutant can be stoped again to enter Seal cage, its long service life, and applicability is wide simultaneously.
Description
Technical field
The utility model provides running shaft bearing housing or gear box lubricating oil labyrinth gland in a kind of machinery, belongs to seal arrangement technical field.
Background technique
Labyrinth seal is the belt sealing tooth establishing several to be arranged in order around rotatingshaft, forms a series of gap and expansion cavity of damming between tooth and tooth, and sealed medium produces throttle effect when the gap by tortuous labyrinth and reaches the device of the object of Drain Resistance.Owing to there is gap between the rotor of labyrinth seal and casing, without solid contact, and allowed thermal expansion, therefore adapt to the occasion of high temperature, high pressure, high speed-frequency, this seal form is widely used in steam turbine, gas turbine, compressor, the axle head of blower and the sealing of each inter-stage.
In the occasion that some usage requirements are stricter, seal arrangement not only will reach the zero leakage of lubricant oil in Seal cage in use, but also the object preventing extraneous pollutant from entering Seal cage inside will be reached, in addition, also there is higher requirement in working life for Sealing, therefore, provides a kind of sealability very excellent, and the seal arrangement of long perfomance life, becomes related domain problem demanding prompt solution.
Summary of the invention
The utility model provides the export-oriented hybrid type labyrinth gland of a kind of assembling type, solve the deficiency in background technique, this device can either prevent the oil leakage in Seal cage, and extraneous pollutant can be stoped again to enter Seal cage simultaneously, its long service life, and applicability is wide.
Realizing the technological scheme that the utility model above-mentioned purpose adopts is:
The export-oriented hybrid type labyrinth gland of a kind of assembling type, at least comprise stationary ring and cover on the rotating shaft and the rotating ring rotated with the axis, stationary ring is mounted by means of bolts on equipment end and covers, described stationary ring is two-layer stratigraphic structure, comprise outer stationary ring, interior stationary ring and the connecting ring A of radial direction that outer stationary ring and interior stationary ring are fixed, three is integral type structure, described connecting ring A is positioned at the middle part of outer stationary ring and stationary ring, and outer stationary ring is disposed radially the positioning step of a circle towards outer lug, described positioning step is positioned on outer stationary ring near extraneous side, positioning step is provided with axial bolt hole, positioning step is installed fixing by bolt and equipment end cap,
Described rotating ring is two-layer stratigraphic structure, comprise outer left rotating ring, outer right rotating ring, interior rotating ring, and the left connecting ring of the radial direction that outer left rotating ring and interior rotating ring fixed, by the right connecting ring of the radial direction that outer right rotating ring and interior rotating ring fix, above-mentioned five is integral type structure, described left connecting ring is positioned at the left side of outer left rotating ring and rotating ring, and described right connecting ring is positioned at the right side of outer right rotating ring and rotating ring, described rotating ring is buckled on interior stationary ring, its left rotating ring in China and foreign countries is between outer stationary ring and interior stationary ring and be positioned at the left side of connecting ring A, outer right rotating ring is between outer stationary ring and interior stationary ring and be positioned at the right side of connecting ring A, interior stationary ring is sandwiched between rotating ring, between stationary ring and rotating ring, common Formation cross-section is the through passage of two S shape, described passage has been disposed radially three layers, the two-layer of inside is grease channel isolation, outer layer channel is grease channel and sewage routeway, grease channel and sewage routeway lay respectively at the left and right sides of connecting plate A, wherein Seal cage is led in one end of grease channel, the external world is led in one end of sewage routeway,
Two-layer seal ring is provided with in described grease channel, grease channel isolation and sewage routeway, described seal ring is by rubber ring and be fixed on forming in wavy arc convex on rubber ring, seal ring is at least provided with twice projection, projection wherein in two seal rings is relative, and it is staggered interspersed, common Formation cross-section is wavy gap, and the rubber ring in described seal ring is fixed on the rotating ring or stationary ring that contact with it;
Bottom it, the oil-return groove that one leads to Seal cage is provided with vertically in described grease channel, described oil-return groove is positioned on the inner surface of the left side of outer stationary ring, enter lubricant oil in grease channel under gravity, flow back to Seal cage by oil-return groove; Bottom it, be provided with one in described sewage routeway vertically lead to extraneous dump tank, described dump tank is positioned on the inner surface of the right-hand part of outer stationary ring, enters sewage in sewage routeway under gravity, enters the external world by dump tank; Isolation fat is filled with in described grease channel isolation.
The export-oriented hybrid type labyrinth gland of assembling type provided by the utility model has the following advantages: owing to being provided with the through passage of two S shape between stationary ring and rotating ring, be respectively grease channel isolation and grease channel, sewage routeway, two-layer seal ring is provided with in above-mentioned passage, projection in two seal rings is relative, and staggered interspersed, common Formation cross-section is wavy gap.In use, the seal ring be wherein fixed on rotating ring rotates along with the rotation of rotating ring, stationary ring transfixion, therefore two seal rings can rotate relatively, the lubricant oil entered in Seal cage in grease channel is thrown toward in the oil storage tank of the seal ring fixed with stationary ring under the influence of centrifugal force, then under gravity, Seal cage can be flowed back to by oil-return groove, therefore, it is possible to prevent oil leakage completely.Equally, the sewage entered in sewage routeway by the external world is thrown toward in the sewage groove of the seal ring fixed with stationary ring under the influence of centrifugal force, extraneous dump tank is led to owing to being provided with one in sewage routeway bottom it vertically, therefore the sewage entered in sewage routeway under gravity, can enter the external world by dump tank.Described grease channel isolation is in occupation of interior two-layer, and its inside is very tortuous, moreover is wherein also filled with isolation fat, and isolation fat can come thoroughly isolated between grease channel and sewage routeway, guarantees the perfectly safe of sealing effect.
The assembling type that the utility model provides export-oriented hybrid type labyrinth gland long service life, after employing 2-3, even if create wearing and tearing between seal ring, but this device can also proceed to use, because under gravitational and centrifugal forces, oil-return groove and dump tank still can play a role, and grease channel and sewage routeway can separate by the isolation fat in grease channel isolation in the same old way.In addition, the export-oriented hybrid type labyrinth gland of assembling type that the utility model provides is applicable to the shaft sealing under various occasion.
Accompanying drawing explanation
The overall structure schematic diagram of the export-oriented hybrid type labyrinth gland of assembling type that Fig. 1 provides for the utility model;
Fig. 2 is the structural representation of stationary ring;
In figure: the outer stationary ring of 1-, stationary ring in 2-, 3-connecting ring A, 4-positioning step, the outer left rotating ring of 5-, rotating ring in 6-, the left connecting ring of 7-, 8-grease channel, 9-grease channel isolation, 10-sewage routeway, 11-oil-return groove, 12-dump tank, 13-seal ring, the outer right rotating ring of 14-, the right connecting ring of 15-.
Embodiment
Below in conjunction with drawings and the specific embodiments, detailed specific description is done to the utility model, but protection domain of the present utility model is not limited to following examples.
The structure of the export-oriented hybrid type labyrinth gland of the assembling type that the utility model provides as depicted in figs. 1 and 2, at least comprise stationary ring and cover on the rotating shaft and the rotating ring rotated with the axis, stationary ring is mounted by means of bolts on equipment end and covers, described stationary ring is two-layer stratigraphic structure, comprise outer stationary ring 1, interior stationary ring 2 and the connecting ring A3 of radial direction that outer stationary ring 1 and interior stationary ring 2 are fixed, three is integral type structure, described connecting ring A3 is positioned at the middle part of outer stationary ring 1 and stationary ring 2, and outer stationary ring 1 is disposed radially the positioning step 4 of a circle towards outer lug, described positioning step is positioned on outer stationary ring near extraneous side, positioning step 4 is provided with axial bolt hole, positioning step is installed fixing by bolt and equipment end cap.
Described rotating ring is two-layer stratigraphic structure, comprise outer left rotating ring 5, outer right rotating ring 14, interior rotating ring 6, and the left connecting ring 7 of the radial direction that outer left rotating ring 5 and interior rotating ring 6 fixed, by the right connecting ring 15 of the radial direction that outer right rotating ring 14 and interior rotating ring 6 fix, above-mentioned five is integral type structure, described left connecting ring 7 is positioned at the left side of outer left rotating ring 5 and rotating ring 6, and described right connecting ring 15 is positioned at the right side of outer right rotating ring 14 and rotating ring 6, described rotating ring is buckled on interior stationary ring 2, its left rotating ring 5 in China and foreign countries is between outer stationary ring 1 and interior stationary ring 2 and be positioned at the left side of connecting ring A3, outer right rotating ring 14 is between outer stationary ring 1 and interior stationary ring 2 and be positioned at the right side of connecting ring A3, interior stationary ring 2 is sandwiched between rotating ring, between stationary ring and rotating ring, common Formation cross-section is the through passage of two S shape, described passage has been disposed radially three layers, the two-layer of inside is grease channel isolation 9, outer layer channel is grease channel 8 and sewage routeway 10, grease channel 8 and sewage routeway 10 lay respectively at the left and right sides of connecting plate A3, wherein Seal cage is led in one end of grease channel 8, the external world is led in one end of sewage routeway 10.
Two-layer seal ring 13 is provided with in described grease channel 8, grease channel isolation 9 and sewage routeway 10, described seal ring 13 is by rubber ring and be fixed on forming in wavy arc convex on rubber ring, seal ring is at least provided with twice projection, projection wherein in two seal rings is relative, and it is staggered interspersed, common Formation cross-section is wavy gap, and the rubber ring in described seal ring is fixed on the rotating ring or stationary ring that contact with it.
Bottom it, the oil-return groove 11 that leads to Seal cage is provided with vertically in described grease channel 8, described oil-return groove 11 is positioned on the inner surface of the left side of outer stationary ring 1, enter lubricant oil in grease channel under gravity, by oil return concentrated flow 11 times Seal cages; Bottom it, be provided with one in described sewage routeway 10 vertically lead to extraneous dump tank 12, described dump tank 12 is positioned on the inner surface of the right-hand part of outer stationary ring, enters sewage in sewage routeway under gravity, enters the external world by dump tank; Isolation fat is filled with in described grease channel isolation 9.
In the present embodiment, when the diameter of axle of rotatingshaft is comparatively large or rotating speed is higher, for anti-stop ring and rotatingshaft skid and asynchronous rotation, interior rotating ring outwardly can be extended, so that it is auxiliary fixing or adopt clip to assist to fix to adopt jackscrew to implement at extending part.
Claims (1)
1. the export-oriented hybrid type labyrinth gland of assembling type, at least comprise stationary ring and cover on the rotating shaft and the rotating ring rotated with the axis, stationary ring is mounted by means of bolts on equipment end and covers, it is characterized in that: described stationary ring is two-layer stratigraphic structure, comprise outer stationary ring, interior stationary ring and the connecting ring A of radial direction that outer stationary ring and interior stationary ring are fixed, three is integral type structure, described connecting ring A is positioned at the middle part of outer stationary ring and stationary ring, and outer stationary ring is disposed radially the positioning step of a circle towards outer lug, described positioning step is positioned on outer stationary ring near extraneous side, positioning step is provided with axial bolt hole, positioning step is installed fixing by bolt and equipment end cap,
Described rotating ring is two-layer stratigraphic structure, comprise outer left rotating ring, outer right rotating ring, interior rotating ring, and the left connecting ring of the radial direction that outer left rotating ring and interior rotating ring fixed, by the right connecting ring of the radial direction that outer right rotating ring and interior rotating ring fix, above-mentioned five is integral type structure, described left connecting ring is positioned at the left side of outer left rotating ring and rotating ring, and described right connecting ring is positioned at the right side of outer right rotating ring and rotating ring, described rotating ring is buckled on interior stationary ring, its left rotating ring in China and foreign countries is between outer stationary ring and interior stationary ring and be positioned at the left side of connecting ring A, outer right rotating ring is between outer stationary ring and interior stationary ring and be positioned at the right side of connecting ring A, interior stationary ring is sandwiched between rotating ring, between stationary ring and rotating ring, common Formation cross-section is the through passage of two S shape, described passage has been disposed radially three layers, the two-layer of inside is grease channel isolation, outer layer channel is grease channel and sewage routeway, grease channel and sewage routeway lay respectively at the left and right sides of connecting plate A, wherein Seal cage is led in one end of grease channel, the external world is led in one end of sewage routeway,
Two-layer seal ring is provided with in described grease channel, grease channel isolation and sewage routeway, described seal ring is by rubber ring and be fixed on forming in wavy arc convex on rubber ring, seal ring is at least provided with twice projection, projection wherein in two seal rings is relative, and it is staggered interspersed, common Formation cross-section is wavy gap, and the rubber ring in described seal ring is fixed on the rotating ring or stationary ring that contact with it;
Bottom it, the oil-return groove that one leads to Seal cage is provided with vertically in described grease channel, described oil-return groove is positioned on the inner surface of the left side of outer stationary ring, enter lubricant oil in grease channel under gravity, flow back to Seal cage by oil-return groove; Bottom it, be provided with one in described sewage routeway vertically lead to extraneous dump tank, described dump tank is positioned on the inner surface of the right-hand part of outer stationary ring, enters sewage in sewage routeway under gravity, enters the external world by dump tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420599913.5U CN204213347U (en) | 2014-10-16 | 2014-10-16 | The export-oriented hybrid type labyrinth gland of a kind of assembling type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420599913.5U CN204213347U (en) | 2014-10-16 | 2014-10-16 | The export-oriented hybrid type labyrinth gland of a kind of assembling type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204213347U true CN204213347U (en) | 2015-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420599913.5U Active CN204213347U (en) | 2014-10-16 | 2014-10-16 | The export-oriented hybrid type labyrinth gland of a kind of assembling type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204213347U (en) |
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2014
- 2014-10-16 CN CN201420599913.5U patent/CN204213347U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171122 Address after: 435300 Qichun County, Hubei Province, Chek Tung Village, Chek Tung town, Qichun County Patentee after: New Polytron Technologies Inc in Hubei Address before: 430000 Hubei Wuhan city East Lake Development Zone, Wuhan University Science Park pioneering Building 2 building Patentee before: WUHAN XINZHI SEAL TECHNOLOGY CO., LTD. |
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| TR01 | Transfer of patent right |