CN201202816Y - Mechanical sealing device of rotating shaft - Google Patents
Mechanical sealing device of rotating shaft Download PDFInfo
- Publication number
- CN201202816Y CN201202816Y CNU2008200595680U CN200820059568U CN201202816Y CN 201202816 Y CN201202816 Y CN 201202816Y CN U2008200595680 U CNU2008200595680 U CN U2008200595680U CN 200820059568 U CN200820059568 U CN 200820059568U CN 201202816 Y CN201202816 Y CN 201202816Y
- Authority
- CN
- China
- Prior art keywords
- rolling bearing
- end cap
- running shaft
- oil baffle
- retaining plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/80—Labyrinth sealings
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/042—Housings for rolling element bearings for rotary movement
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
- F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
Abstract
Disclosed is a mechanical sealing device for the rotary shaft of a tube-type strander, comprising a rotary shaft, a rolling bearing nested and fixed on the rotary shaft; the rolling bearing is arranged on a bearing base; a left oil retaining plate and a right oil retaining plate are mounted and leaned on the end surfaces on both sides of the inner ring of the rolling bearing and fixedly connected with the rotary shaft through screws. A left end cover and a right end cover are fixedly connected with two lateral surfaces of the bearing base through screws; the big inner holes and the small inner holes of the end covers maintain gap fit connection with the outer circles and convex shoulders on ends of the left oil retaining plate and the right oil retaining plate; the gap hollow cavities on the two lateral surfaces of the right-angle shaft shoulders corresponding to the big inner holes and the small inner holes construct two sealed cavities; annular grooves are arranged on the circumferences of the big inner holes and small inner holes of the left end cover and the right end cover to construct two labyrinth seals. Inclined planes are arranged in the inner lateral surfaces of the two convex shoulders of the left oil retaining plate and the right oil retaining plate; the inclined planes and the hollow cavities between the inner lateral surfaces of the left end cover and the right end cover, and the two end surfaces of the rolling bearing construct a left grease containing cavity and a right grease containing cavity. The mechanical sealing device has the advantages of simple structure, good sealing effect, preventing the lubricating grease from overflowing and leaking, and improving the lubrication effect.
Description
Technical field
The utility model relates to a kind of mechanical seal device of running shaft, particularly a kind of mechanical seal device of running shaft of tubular type Bunching machine.
Background technique
At present, the tubular type Bunching machine is widely used in the wire rope manufacturing, high-speed rotating shaft on this kind equipment usually by rolling bearing as spring bearing, its mechanical seal device as shown in Figure 2, comprise running shaft 5 ', bearing support 1 ', rolling bearing 4 ', described rolling bearing 4 ' suit is fixed on the running shaft 5 ', 4 ' on rolling bearing is on bearing support 1 ', at rolling bearing 4 ' inner ring both sides end face by a left side is housed, right oil baffle 3 ', 8 ', and be fastenedly connected a left side when running shaft 5 ' rotation by screw and running shaft 5 ', right oil baffle 3 ', 8 ' follows rotation together.Described left and right oil baffle 3 ', 8 ' middle part are provided with the convex shoulder, cavity between the inner side surface of two convex shoulders and the both ends of the surface of rolling bearing 4 ' constitutes the left and right appearance fat chamber 6 ', 7 ' that holds lubricating grease, and left and right oil baffle 3 ', 8 ' convex shoulder cylindrical and the junction surface between the bearing support 1 ' endoporus maintain the gap.The both sides end face of described bearing support 1 ' is equipped with left and right end cap 2 ', 9 ', and be connected with bearing support 1 ' by screw, junction surface between the outer side surface of left and right end cap 2 ', 9 ' endoporus and two inner side surfaces and left and right oil baffle 3 ', 8 ' cylindrical and two convex shoulders maintains the gap, and tops is provided with oil hole and oil gun on bearing support.The mechanical seal device of the running shaft of above-mentioned described existing tubular type Bunching machine, when the running shaft high speed rotating of Bunching machine, be positioned at the rolling bearing both sides and hold the lubricating grease in fat chamber under action of centrifugal force, overflow from the gap location between left and right oil baffle and bearing support and the left and right end cap junction surface easily, make the lubricating grease severe attrition that holds in the fat chamber, as fail to obtain in time to replenish, will cause the rolling bearing lubrication failure and damage, equipment can't be run well.Simultaneously, excessive lubricating grease splashes down around processed product or equipment in the equipment operation process, also will directly influence the quality of product, and causes the pollution to the operational site environment.
The model utility content
Technical problem to be solved in the utility model is the deficiency that exists at prior art, and a kind of good sealing effect is provided, and can guarantee that rolling bearing is lubricated normal, can effectively prevent the mechanical seal device of the running shaft that lubricating grease is excessive.
The utility model solves the problems of the technologies described above the technological scheme that is adopted: a kind of mechanical seal device of running shaft, it comprises running shaft, bearing support, rolling bearing, described rolling bearing suit is fixed on the running shaft, rolling bearing pedestal is on bearing support, tops is provided with oil hole and oil gun on bearing support, by left and right oil baffle is housed, the endoporus and the running shaft of two oil baffles are connected, and are fastenedly connected by screw and running shaft in the rolling bearing inner ring end faces of both sides; The bi-side of described bearing support are fastenedly connected with left and right end cap by screw, the inner cylindrical of end cap is connected with the endoporus secure fit of bearing support, it is characterized in that: the middle part of described left and right oil baffle is provided with the convex shoulder of right angle shaft shoulder transition, and the inner side surface in two convex shoulders is provided with the inclined-plane; The central bore middle part of described left and right end cap is provided with the right angle shaft shoulder and constitutes large and small nose end, and keep Spielpassung to be connected with end of left and right oil baffle and convex shoulder, gap cavity in their shaft shoulder bi-side, corresponding right angle constitutes two Seal cages, be provided with annular groove on the large and small endoporus circumferential surface of left and right end cap, the Spielpassung face of itself and left and right oil baffle constitutes two labyrinth seals; Described left and right oil baffle relies on the inclined-plane of rolling bearing one side and the inner side surface and the cavity between the rolling bearing both ends of the surface of left and right end cap constitutes left and right appearance fat chamber.
The bottom of described left and right end cap is provided with drain oil, is bolted with plug screw in the hole.
The groove number of the annular groove that the large and small endoporus circumferential surface of described left and right end cap is provided with is respectively 1～3 road.
The gradient on the inclined-plane of convex shoulder, the middle part inner side surface setting of described left and right oil baffle is 8 °～20 °.
Compared with prior art, advantage of the present utility model is: the one, and the Spielpassung joint of the oil baffle of bearing support and end cap has adopted right angle shaft shoulder respective outer side edges mode, the gap cavity of their shaft shoulder bi-side, corresponding right angle constitutes two Seal cages, and be provided with a plurality of annular grooves at the end cap bore area of two ends circumference joint, constitute the two pass labyrinth seal, thereby guaranteed the sealing effect of device.The 2nd, established the inclined-plane of indent at the oil baffle inner side surface, in rotary course, the inclined-plane produces an effect to the centrifugal knockout press of rolling bearing side to lubricating grease, can reduce lubricating grease flows to oil baffle and end cap joint clearance aperture place, improved the sealability of device, can also play lubricating grease is got into effect in the antifriction-bearing raceway, strengthen the Lubrication of Rolling Contact Bearing effect.So mechanical seal device of the present utility model has simple in structure, good sealing effect can effectively prevent the excessive leakage of lubricating grease, improves lubrication effect, prolongs the working life of rolling bearing.
Description of drawings
Fig. 1 is the utility model embodiment's a structural representation.
Fig. 2 is the mechanical seal device structural representation of the running shaft of existing tubular type Bunching machine.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Referring to shown in Figure 1, a kind of mechanical seal device of running shaft, it comprises running shaft 5, bearing support 1, rolling bearing 4, described rolling bearing 4 suits are fixed on the running shaft 5,4 on rolling bearing is on bearing support 1, in rolling bearing 4 inner ring end faces of both sides by left and right oil baffle 3,8 is housed, the endoporus of two oil baffles and running shaft 5 are connected, and be fastenedly connected by screw and locking washer screw and running shaft 5 by the setting of one end, rotate when left and right oil baffle 3,8 can be worked with running shaft 5, limit moving axially of rolling bearing 4 simultaneously.The middle part of described left and right oil baffle 3,8 is provided with the convex shoulder of right angle shaft shoulder transition, and the inner side surface in two convex shoulders is provided with inclined- plane 31,81, and the span of its gradient is selected in 8 °～20 °.The last tops of described bearing support 1 is provided with oil hole 11 and oil gun, the bi-side of bearing support 1 are fastenedly connected with left and right end cap 2,9 by screw, the inner cylindrical of end cap is connected with bearing support 1 endoporus secure fit, the end cap bottom is provided with drain oil 21,91, be bolted with plug screw in the hole, be used to remove waste oil.Be provided with the right angle shaft shoulder at the central bore middle part of left and right end cap 2,9 and constitute large and small nose end, and keep Spielpassung to be connected with end of left and right oil baffle 3,8 and convex shoulder, one end of the large and small hole surface of left and right end cap 2,9 and left and right oil baffle 3,8 and the monolateral gap of convex shoulder cylindrical are 1～2mm, the gap of their shaft shoulder bi-side, corresponding right angle is 3～10mm, and the gap cavity of their shaft shoulder bi-side, corresponding right angle constitutes two Seal cages 32,82.Be provided with annular groove 22,92 on the large and small endoporus circumferential surface of left and right end cap 2,9, the groove number of annular groove can be selected respectively to set between 1～3 road, two labyrinth seals of Spielpassung face formation of they and left and right oil baffle 3,8.Described left and right oil baffle 3,8 relies on the inclined-plane of rolling bearing 4 one sides and the inner side surface and the cavity between rolling bearing 4 both ends of the surface of left and right end cap 2,9 constitutes the left and right appearance fat chamber 6,7 that can hold lubricating grease.
Working principle of the present utility model is: during running shaft 5 high speed rotating, driving connected left and right oil baffle 3,8 rotates together, the lubricating grease that is positioned at left and right appearance fat chamber 6,7 this moment produces centrifugal action, be thrown toward the outermost of close bearing support 1 endoporus in the left and right appearance fat chamber 6,7, because the endoporus of left and right end cap 2,9 and bearing support 1 is a secure fit, has blocked lubricating grease excessive passage from here.And on a left side, right oil baffle plate 3,8 with left, right end cap 2, the inboard connection mouth of 9 Spielpassung, because on a left side, right oil baffle plate 3, the inclined-plane 31 that 8 inboards are provided with, under 81 the effect, make lubricating grease that trend away from this inboard connection mouth gap be arranged, and, a left side, right oil baffle 3,8 during with running shaft 5 high speed rotating, produce suction function, make left, right Seal cage 32, the pressure at 82 places is greater than a left side, the right fat chamber 6 that holds, pressure in 7, a left side, right Seal cage 32, the pressure at 82 places is again less than atmospheric pressure, and on a left side, right end cap 2,9 with left, right oil baffle plate 3,8 Spielpassung portion is provided with labyrinth seal, in the process of running up, produce the damping throttle effect, thereby provide reliable and effective assurance for blocking-up lubricating grease excessive.Simultaneously, under the effect on the inboard inclined- plane 31,81 of left and right oil baffle 3,8, in the rotary course, the centrifugal force of generation can be got into lubricating grease in the raceway of rolling bearing 4 in time, has strengthened the Lubrication of Rolling Contact Bearing effect.
Mechanical seal device of the present utility model is not limited to use on tubular type Bunching machine equipment; and be applicable to other machinery with grease lubrication; so this mechanical seal device also belongs to protection domain of the present utility model at other with the application in the machinery of grease lubrication.
Claims (4)
1, a kind of mechanical seal device of running shaft, it comprises running shaft (5), bearing support (1), rolling bearing (4), described rolling bearing (4) suit is fixed on the running shaft (5), rolling bearing (4) seat is on bearing support (1), last tops at bearing support (1) is provided with oil hole (11) and oil gun, in rolling bearing (4) inner ring end faces of both sides by left and right oil baffle (3,8) is housed, the endoporus of two oil baffles and running shaft (5) are connected, and are fastenedly connected by screw and running shaft (5); The bi-side of described bearing support (1) are fastenedly connected with left and right end cap (2,9) by screw, the inner cylindrical of end cap is connected with the endoporus secure fit of bearing support (1), it is characterized in that: the middle part of described left and right oil baffle (3,8) is provided with the convex shoulder of right angle shaft shoulder transition, and the inner side surface in two convex shoulders is provided with inclined-plane (31,81); The central bore middle part of described left and right end cap (2,9) is provided with the right angle shaft shoulder and constitutes large and small nose end, and keep Spielpassung to be connected with end of left and right oil baffle (3,8) and convex shoulder, gap cavity in their shaft shoulder bi-side, corresponding right angle constitutes two Seal cages (32,82), be provided with annular groove (22,92) on the large and small endoporus circumferential surface of left and right end cap (2,9), the Spielpassung face of itself and left and right oil baffle (3,8) constitutes two labyrinth seals; Described left and right oil baffle (3,8) relies on the inclined-plane of rolling bearing (4) one sides and the inner side surface of left and right end cap (2,9) and the cavity between rolling bearing (4) both ends of the surface and constitutes left and right appearance fat chamber (6,7).
2, the mechanical seal device of a kind of running shaft according to claim 1 is characterized in that the bottom of described left and right end cap (2,9) is provided with drain oil (21,91), is bolted with plug screw in the hole.
3, the mechanical seal device of a kind of running shaft according to claim 1 is characterized in that the groove number of the annular groove (22,92) that the large and small endoporus circumferential surface of described left and right end cap (2,9) is provided with is respectively 1～3 road.
4, the mechanical seal device of a kind of running shaft according to claim 1 is characterized in that the gradient on the inclined-plane (31,81) that convex shoulder, the middle part inner side surface of described left and right oil baffle (3,8) is provided with is 8 °～20 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200595680U CN201202816Y (en) | 2008-06-10 | 2008-06-10 | Mechanical sealing device of rotating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200595680U CN201202816Y (en) | 2008-06-10 | 2008-06-10 | Mechanical sealing device of rotating shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201202816Y true CN201202816Y (en) | 2009-03-04 |
Family
ID=40425127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200595680U Expired - Fee Related CN201202816Y (en) | 2008-06-10 | 2008-06-10 | Mechanical sealing device of rotating shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201202816Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313022A (en) * | 2011-03-18 | 2012-01-11 | 江苏华机环保设备有限责任公司 | Shaft seal structure in bagasse metering device |
| CN106090240A (en) * | 2016-06-06 | 2016-11-09 | 广西柳工机械股份有限公司 | Labyrinth oil seal protection device |
| CN106286844A (en) * | 2016-09-30 | 2017-01-04 | 大唐桂冠合山发电有限公司 | Rotate the bearing seal structure of machinery |
| EP3217029A1 (en) * | 2016-03-11 | 2017-09-13 | Visedo Oy | A bearing housing structure |
| CN107314038A (en) * | 2017-08-25 | 2017-11-03 | 江苏海特尔机械有限公司 | A kind of bearing block cooled down with lubricating oil with oil-leakage-prevention |
-
2008
- 2008-06-10 CN CNU2008200595680U patent/CN201202816Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313022A (en) * | 2011-03-18 | 2012-01-11 | 江苏华机环保设备有限责任公司 | Shaft seal structure in bagasse metering device |
| EP3217029A1 (en) * | 2016-03-11 | 2017-09-13 | Visedo Oy | A bearing housing structure |
| US10247242B2 (en) | 2016-03-11 | 2019-04-02 | Danfoss Mobile Electrification Oy | Bearing housing structure |
| CN106090240A (en) * | 2016-06-06 | 2016-11-09 | 广西柳工机械股份有限公司 | Labyrinth oil seal protection device |
| CN106090240B (en) * | 2016-06-06 | 2018-04-17 | 广西柳工机械股份有限公司 | Labyrinth oil seal protective device |
| CN106286844A (en) * | 2016-09-30 | 2017-01-04 | 大唐桂冠合山发电有限公司 | Rotate the bearing seal structure of machinery |
| CN106286844B (en) * | 2016-09-30 | 2019-04-05 | 大唐桂冠合山发电有限公司 | Rotate mechanical bearing seal structure |
| CN107314038A (en) * | 2017-08-25 | 2017-11-03 | 江苏海特尔机械有限公司 | A kind of bearing block cooled down with lubricating oil with oil-leakage-prevention |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101265976A (en) | Mechanical seal device for a rotary shaft | |
| CN201202816Y (en) | Mechanical sealing device of rotating shaft | |
| CN212106632U (en) | Anti-vibration self-aligning roller bearing | |
| CN203214668U (en) | Bearing box sealing device | |
| CN105057710B (en) | The device of formula lubrication is stretched in calm the anger envelope and the pin hole of electro spindle | |
| CN106979237A (en) | A kind of Leakproof shaft bearing | |
| CN210830195U (en) | Sealing structure for bearing seat of high-speed horizontal screw machine | |
| CN105179646B (en) | Effective powerful type wire drawing decelerator | |
| CN116428368A (en) | Sealing structure, main shaft with sealing structure and main shaft processing method | |
| CN202612380U (en) | Pulley ball bearing of jacquard loom | |
| CN205025940U (en) | Four point contact ball turntable bearings | |
| CN203130817U (en) | Bearing seat for roller type crushing machine | |
| CN204253627U (en) | Waterproof type high-speed precision bearing | |
| CN202756278U (en) | Bearing part of horizontal type multi-stage pump | |
| CN206694423U (en) | A kind of shaft extension end bearing block | |
| CN207921331U (en) | A kind of sealing mechanism and the roll assembling structure for being equipped with sealing mechanism | |
| CN205978093U (en) | Rowing machine special bearing | |
| CN206708229U (en) | A kind of axle envelope end bearing block | |
| CN105317929A (en) | Lubrication-free step chain | |
| CN206550367U (en) | A kind of machine tool chief axis supporting system | |
| CN214247973U (en) | Durable spline shaft with good lubricating property | |
| CN211059055U (en) | Bearing structure | |
| CN105134791A (en) | Bearing seal structure adopting lubricating grease for sealing | |
| CN201027977Y (en) | Non-contact mechanical sealing device | |
| CN219388451U (en) | Double-layer high-performance sealed bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090304 Termination date: 20160610 |