CN203939992U - A kind of bearing pedestal seal device - Google Patents
A kind of bearing pedestal seal device Download PDFInfo
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- CN203939992U CN203939992U CN201420293401.6U CN201420293401U CN203939992U CN 203939992 U CN203939992 U CN 203939992U CN 201420293401 U CN201420293401 U CN 201420293401U CN 203939992 U CN203939992 U CN 203939992U
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- main shaft
- ring
- oil sealing
- sealing base
- column structure
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Abstract
A bearing pedestal seal device, is arranged on the end of bearing support, it is characterized in that: comprise setting sleeve, rotating ring, oil sealing base, stationary ring and main shaft big envelope.Setting sleeve, rotating ring are fixed on main shaft, and oil sealing base is fixed on the end of bearing support, stationary ring, main shaft big envelope and oil sealing base fixed seal connection.During work, main shaft rotates in being provided with the bearing support 1 of seal arrangement, rotating ring rotates with main shaft, under the effect of supported spring, stationary ring and rotating ring are pressed together and carry out pivoting friction, stationary ring 7 keeps close contact with rotating ring 5 on its surface of contact, can play good sealing effect, effectively prevents leaked liquid.
Description
Technical field
The present invention relates to a kind of bearing pedestal seal device.
Background technique
In prior art, bearing support two ends are provided with the perforate that allows main shaft to pass through, and are provided with a plurality of bearings in bearing support, and main shaft is fixed in bearing support by described a plurality of bearings, and main shaft two ends are from the tapping projecting shaft bearing at bearing support two ends.Hold in the bearing support inner space of bearing and main shaft and be full of lubricant oil, with the high speed rotating that guarantees that main shaft can be in bearing support.During work, by the main shaft of motor driving shaft bearing one end, drive main shaft to rotate.
But because the sealing configuration at main shaft projecting shaft bearing place is bad, can cause the oil leak in bearing support inner space.Especially at bearing support, vertically place use, when main shaft lower end drives mixing plant or metering pump, liquid material or gas backwash also can occur to the situation in bearing support inner space.
Summary of the invention
For addressing the above problem, the invention provides a kind of bearing pedestal seal device, be arranged on the end of bearing support, comprise setting sleeve, rotating ring, oil sealing base, stationary ring and main shaft big envelope.Wherein, setting sleeve is the round column structure of hollow, the lower through-hole diameter of round column structure inwall is less than the top through-hole diameter of round column structure inwall, the bottom of round column structure inwall is provided with the parts that are fixedly connected with main shaft, setting sleeve rotates with main shaft, between the lower through-hole of setting sleeve round column structure inwall and the top through hole of inwall, is formed with ring-type bearing platform.Rotating ring is the cannular boss of ring-type, between rotating ring and setting sleeve, use positioning device to position, the lower surface of rotating ring is the supporting surface corresponding with the ring-type bearing platform of setting sleeve, between the ring-type bearing platform of the lower surface of rotating ring and setting sleeve, adopt spring to support, the contraposition placement of rotating ring and main shaft is provided with sealing configuration.Oil sealing base is the cylindric of hollow, be sealingly clamped on bearing support, the middle and upper part of the cylindrical hollow inwall of oil sealing base is provided with sealing bulge loop, the cylindrical space of the hollow of oil sealing base is divided into upper and lower, the cylindrical space bottom of the hollow of oil sealing base is sleeved on along the direction of main shaft the setting sleeve outside that is supported with rotating ring, the internal diameter of the sealing bulge loop of oil sealing base is greater than the boss lower outer diameter of rotating ring and is less than the boss top external diameter of rotating ring, in the seat wall of oil sealing base, be provided with cooling water intake tunnel and the exhalant canal for cooling water circulation, cooling water intake tunnel and exhalant canal are opened on respectively the cylindrical space top of the hollow of oil sealing base, in the seat wall of oil sealing base, be also provided with asphalt channel, one end of asphalt channel is opened on the cylindrical space bottom of the hollow of oil sealing base, the other end is connected with external lubrication oil supply pipe road.Stationary ring is ring-type hollow cylinder, adapts with the upper surface shape of rotating ring.Main shaft big envelope is the round column structure of hollow, the lower through-hole diameter of round column structure inwall is greater than the top through-hole diameter of round column structure inwall, between the top through hole of the lower through-hole of round column structure inwall and inwall, be formed with ring-type abutment platform, stationary ring is contained in the lower through-hole of round column structure inwall of main shaft big envelope, and be positioned in ring-type abutment platform, between the lower through-hole inwall of the round column structure of stationary ring outer wall and main shaft big envelope, there is sealing configuration, the round column structure outer wall middle part of main shaft big envelope is formed with annular groove, match with the cylindrical space upper inside wall of oil sealing base in main shaft big envelope outer wall bottom, the lower cylindrical structure of main shaft big envelope is fixed in the cylindrical space upper space of oil sealing base, make the annular groove at round column structure outer wall middle part of main shaft big envelope relative at the opening on the cylindrical space top of oil sealing base with cooling water intake tunnel and exhalant canal, and in the lower cylindrical structure of main shaft big envelope, enter in the component top and bottom position of cylindrical space upper space of oil sealing base, the cylindrical space upper space sidewall of main shaft big envelope and oil sealing base and/or sealed bottom bulge loop form sealing configuration, thereby form cooling water circulation passage, also make in the direction of bearing support, to compress rotating ring under the effect of the supported spring of stationary ring in setting sleeve.
Further, be provided with the strip projection of a plurality of inclinations in the lower edge of setting sleeve outer surface, while making main shaft drive setting sleeve rotation, strip projection can stir lubricant oil to the direction of bearing support, and lubricant oil is flowed in its containing space.
Further, on the sidewall of the top of setting sleeve round column structure inwall and ring-type bearing platform, be formed with respectively oilhole.
Further, cooling water intake tunnel is connected with exhalant canal with the cooling water intake tunnel in bearing support respectively with exhalant canal, forms cooling water circulation passageway.
Further, described sealing configuration is the seal ring being embedded in groove.
In more detail, the bearing platform of setting sleeve is provided with one or more positioning holes, corresponding with the one or more positioning holes on the bearing platform of setting sleeve, on the lower surface of rotating ring, have blind hole, in the blind hole of rotating ring lower surface, be inserted with respectively locating stud, one end of locating stud protrudes from rotating ring lower surface, and corresponding with the positioning hole arranging on bearing platform, and inserts wherein.Or, the means of fixation that can adopt locating notch and positioning block that is fixedly connected with of setting sleeve and rotating ring.On the bearing platform of setting sleeve, be also provided with a plurality of support blind holes, support in blind hole and be inserted with supported spring, the other end of the supported spring of a plurality of support blind holes is supported on the lower surface of rotating ring.
In more detail, on stationary ring end face, be formed with one or more location blind hole, corresponding with one or more blind holes of stationary ring end face, the bearing platform of main shaft big envelope is provided with one or more location blind hole, by insertion, locates locating stud in blind hole and the location blind hole on stationary ring 7 end faces is connected and fixed.Or, the means of fixation that can adopt locating notch and positioning block that is fixedly connected with of main shaft big envelope and stationary ring.
Further, the cooling water intake tunnel of oil sealing base and exhalant canal are opened on respectively the cylindrical space top of the hollow of oil sealing base, and are positioned at same horizontal plane.
In more detail, oil sealing base is provided with into the hollow wall of the plane of water, exhalant canal opening and is inwardly formed with annular groove, makes to be arranged in annular groove into water, exhalant canal opening.Being provided with into the annular groove in the plane of water, exhalant canal opening of oil sealing base is corresponding with the annular groove shaped at the round column structure outer wall middle part of main shaft big envelope, jointly forms cooling water flow circulation passage.
In more detail, the round column structure outer wall top of main shaft big envelope 8 is formed with annular groove, for placing the first seal ring.The round column structure outer wall lower limb of main shaft big envelope is formed with inside step-like scrobicular ring, for placing the second seal ring.The round column structure outer wall bottom of main shaft big envelope is fixedly connected with by screw-thread fit with the cylindrical space upper inside wall of oil sealing base 6.On the sealing bulge loop of oil sealing base and the link position of oil sealing base cylindrical space upper space sidewall, the second seal ring butt on the step-like scrobicular ring of the round column structure outer wall lower limb of the sealing bulge loop of oil sealing base and main shaft big envelope, forms sealing configuration; Meanwhile, the first seal ring in the round column structure outer wall upper grooves of the madial wall of oil sealing base cylindrical space upper space and main shaft big envelope contacts, and forms sealing configuration.
The present invention is by adopting rotating ring, stationary ring Seal Design, the surface of contact of rotating ring, stationary ring is made by High Strength Wear-Resistance Material, and has optimized the circulation passage of circulating water, oil, has redesigned the overall structure of the seal arrangement of bearing support.Use the seal arrangement of bearing support of the present invention can effectively reduce the adding quantity of lubricant oil, under the speed conditions of 9000 revs/min, cooling effect is good, and the temperature of seal arrangement rises and remains in 10 degree, and maximum speed can reach 13000 revs/min.
Accompanying drawing explanation
Fig. 1 a is the stereogram of bearing pedestal seal device of the present invention while being arranged on bearing support;
Fig. 1 b is the sectional view of bearing pedestal seal device of the present invention while being arranged on bearing support;
Fig. 2 is the sectional view of bearing pedestal seal device of the present invention;
Fig. 3 is the ssembly drawing of bearing pedestal seal device of the present invention while being arranged on bearing support;
Fig. 4 a is the stereogram of the setting sleeve of bearing pedestal seal device of the present invention;
Fig. 4 b is the front view of the setting sleeve of bearing pedestal seal device of the present invention;
Fig. 4 c is the top view of the setting sleeve of bearing pedestal seal device of the present invention;
Fig. 4 d is that the setting sleeve of bearing pedestal seal device of the present invention is along the sectional drawing of A-A direction in Fig. 4 c;
Fig. 5 a is the stereogram of the rotating ring of bearing pedestal seal device of the present invention;
Fig. 5 b is the bottom view of the rotating ring of bearing pedestal seal device of the present invention;
Fig. 5 c is the sectional drawing along A-A direction in Fig. 5 c of the rotating ring of bearing pedestal seal device of the present invention;
Fig. 5 d is the top view of the rotating ring of bearing pedestal seal device of the present invention;
Fig. 6 a is the bottom view of the oil sealing base of bearing pedestal seal device of the present invention;
Fig. 6 b is the sectional drawing along F-F direction in Fig. 6 a of the oil sealing base of bearing pedestal seal device of the present invention;
Fig. 6 c is the sectional drawing along E-E direction in Fig. 6 a of the oil sealing base of bearing pedestal seal device of the present invention;
Fig. 7 a is the stereogram of the stationary ring of bearing pedestal seal device of the present invention;
Fig. 7 b is the top view of the stationary ring of bearing pedestal seal device of the present invention;
Fig. 7 c is the sectional drawing along A-A direction in Fig. 7 b of the stationary ring of bearing pedestal seal device of the present invention;
Fig. 8 a is the stereogram of the main shaft big envelope of bearing pedestal seal device of the present invention;
Fig. 8 b is the sectional view of the main shaft big envelope of bearing pedestal seal device of the present invention;
Fig. 9 a is the stereogram of rotating ring of the bearing pedestal seal device of the another preferred embodiment of the present invention;
Fig. 9 b is the bottom view of rotating ring of the bearing pedestal seal device of the another preferred embodiment of the present invention;
Figure 10 a is the stereogram of stationary ring of the bearing pedestal seal device of the another preferred embodiment of the present invention;
Figure 10 b is the top view of stationary ring of the bearing pedestal seal device of the another preferred embodiment of the present invention;
Figure 10 c is the sectional drawing along A-A direction in Figure 10 b of stationary ring of the bearing pedestal seal device of the another preferred embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in further detail.
As shown in Fig. 1 a-3, the two ends of bearing support 1 are respectively arranged with bearing pack 2, and each bearing pack 2 can comprise bearing clamping ring 22 and and the cap 23 between a plurality of bearings 21, bearing.
Main shaft 3 passes from the inner space of bearing support 1, by bearing pack 2 is rotating, be fixed in bearing support 1, at main shaft 3, pass on bearing support 1 end seal arrangement is set, main shaft 3 passes from seal arrangement center, the inhomogeneous diameter that main shaft 3 is set, the diameter of main shaft 3 and the internal diameter of seal arrangement match, and in the situation that not affecting main shaft 3 rotation, reduce matching gap.As required, can on the one or both ends of bearing support 1, use seal arrangement of the present invention to seal.By motor, by main shaft 3 one end upper belt-wheel drive main spindle 3, rotated.
Bearing pedestal seal device of the present invention is arranged on the end of bearing support 1, comprises setting sleeve 4, rotating ring 5, oil sealing base 6, stationary ring 7 and main shaft big envelope 8.
As shown in Fig. 4 a-4d, the round column structure that setting sleeve 4 is hollow, the lower through-hole diameter of round column structure inwall is less than the top through-hole diameter of round column structure inwall, and the lower through-hole of round column structure inwall is provided with internal thread, for setting sleeve 4 is rotatably fixed to main shaft 3, with main shaft 3 rotations.Between the top through hole of the lower through-hole of round column structure inwall and inwall, be formed with ring-type bearing platform 41, bearing platform 41 is provided with two positioning holes 42 and three support blind holes 43, supports in blind hole 43 and is provided with supported spring 47.In the lower edge of setting sleeve 4 outer surfaces, be provided with the strip projection 44 of a plurality of inclinations, while making main shaft 3 drive setting sleeve 4 rotation, strip projection 44 can stir lubricant oil to the direction of bearing support 1, and lubricant oil is flowed in its containing space.On the sidewall of the top of round column structure inwall and ring-type bearing platform 41, be formed with respectively oilhole 45,46, make lubricant oil to enter into setting sleeve 4 inside by oilhole 45,46.
As shown in Fig. 5 a-5d, the cannular boss that rotating ring 5 is ring-type, the top through-hole diameter of the lower limb diameter of rotating ring 5 and the round column structure inwall of setting sleeve 4 matches, and rotating ring 5 can be placed in the top through hole of round column structure inwall of setting sleeve 4.The lower surface of rotating ring 5 is the supporting surface corresponding with the ring-type bearing platform 41 of setting sleeve 4, on the lower surface of rotating ring 5, have two blind holes 51, in the blind hole 51 of rotating ring 5 lower surfaces, be inserted with respectively locating stud (not shown), one end of locating stud protrudes from rotating ring 5 lower surfaces, and corresponding with two positioning holes 42 that arrange on bearing platform 41, and insert wherein.In setting sleeve 4, inserting three one end of supporting the supported spring 47 of blind hole 43 is supported on the lower surface of rotating ring 5.On main shaft 3, arrange in the scope of rotating ring 5 and be provided with seal ring 11.
As shown in Fig. 6 a-6c, what oil sealing base 6 was hollow is cylindric, and bottom can be flange arrangement 61, and flange arrangement 61 is provided with fixing threaded hole 62, by flange arrangement 61 and seal ring 17, oil sealing base 6 is sealingly clamped on bearing support 1.The middle and upper part of the hollow wall of oil sealing base 6 is provided with sealing bulge loop 63, and the cylindrical space of the hollow of oil sealing base 6 is divided into upper and lower.The cylindrical space upper inside wall of oil sealing base 6 has with the round column structure outer wall bottom of main shaft big envelope 8 and is fixed the screw thread (not shown) being connected.In the seat wall of oil sealing base 6, be provided with cooling water intake tunnel 64 and exhalant canal 65, one end of cooling water intake tunnel 64 and exhalant canal 65 is connected with exhalant canal with the cooling water intake tunnel in bearing support 1 respectively, the other end of cooling water intake tunnel 64 and exhalant canal 65 is opened on respectively the cylindrical space top of the hollow of oil sealing base 6, and is positioned at same horizontal plane.Preferably, oil sealing base 6 is provided with into the hollow wall of the horizontal plane of water, exhalant canal opening and is inwardly formed with annular groove 611, makes to be arranged in annular groove 611 into water, exhalant canal opening.In the present embodiment, cooling water intake tunnel 64 and exhalant canal 65 are provided with cooling water water inlet 66 and osculum 67 in the bottom of oil sealing base 6, are connected respectively with the cooling water intake tunnel in bearing support 1 with exhalant canal.In the seat wall of oil sealing base 6, be also provided with asphalt channel 68, one end of asphalt channel 68 is opened on the cylindrical space bottom of the hollow of oil sealing base 6, and the other end is connected with external lubrication oil supply pipe road 9.In the present embodiment, asphalt channel 68 is provided with oil inlet hole 69 in the bottom of oil sealing base 6, is connected with external lubrication oil supply pipe road 9.
Oil sealing base 6 is fixed on bearing support 1, the cylindrical space bottom of the hollow of oil sealing base 6 is sleeved on along the direction of main shaft 3 setting sleeve 4 outsides that are supported with rotating ring 5, the internal diameter of the sealing bulge loop 63 of oil sealing base 6 is greater than the boss lower outer diameter of rotating ring 5 and is less than the boss top external diameter of rotating ring 5, the boss top of rotating ring 5 can be passed through in the middle of sealing bulge loop 63, but rotating ring 5 can whole not enter the cylindrical space top of oil sealing base 6.The main shaft 3 that is fixed with setting sleeve 4 and rotating ring 5 can rotate with respect to the oil sealing base 6 that is fixed to bearing support 1.
As shown in Fig. 7 a-7c, stationary ring 7 is ring-type hollow cylinder, adapts with the upper surface shape of rotating ring 5, on stationary ring 7 outer walls, is formed with annular groove 71, for placing " o " shape seal ring 14, is formed with two location blind holes 72 on stationary ring 7 end faces.The diameter at stationary ring 7 places is set on main shaft 3 and the internal diameter of stationary ring 7 matches, in the situation that not affecting main shaft 3 and rotating, reduces matching gap.
As shown in Figure 8 a-8b, the round column structure that main shaft big envelope 8 is hollow, the lower through-hole diameter of round column structure inwall is greater than the top through-hole diameter of round column structure inwall, the lower through-hole diameter of round column structure inwall is suitable with the external diameter of stationary ring 7, stationary ring 7 is contained in the lower through-hole of round column structure inwall of main shaft big envelope 8, and the seal ring in the annular groove 71 of stationary ring 7 contacts with the lower through-hole inwall of the round column structure of main shaft big envelope 8.The top through-hole diameter that the diameter at main shaft big envelope 8 places and the round column structure inwall of main shaft big envelope 8 are set on main shaft 3 matches, and in the situation that not affecting main shaft 3 rotation, reduces matching gap, also anti-returning charge spiral 16 can be set on this position of main shaft 3.Between the top through hole of the lower through-hole of round column structure inwall and inwall, be formed with ring-type abutment platform 81, bearing platform 81 is provided with two location blind holes 82, by insertion, locates locating stud (not shown) in blind hole 82 and the location blind hole 72 on stationary ring 7 end faces is connected and fixed.The round column structure outer wall top of main shaft big envelope 8 is formed with annular groove 83, for placing " o " shape seal ring 13.The round column structure outer wall lower limb of main shaft big envelope 8 is formed with inside step-like scrobicular ring 85, for placing " o " shape seal ring 12.The round column structure outer wall middle part of main shaft big envelope 8 is formed with annular groove 84, is cooling water flow circulation passage.The round column structure outer wall bottom of main shaft big envelope 8 has with the cylindrical space upper inside wall of oil sealing base 6 and is fixed the screw thread (not shown) being connected, and the lower cylindrical structure of main shaft big envelope 8 is screwed in the cylindrical space upper space of oil sealing base 6.On the sealing bulge loop 63 of oil sealing base 6 and the link position of oil sealing base 6 cylindrical space upper space sidewalls, seal ring 12 butts on the step-like scrobicular ring 85 of the sealing bulge loop 63 of oil sealing base 6 and the round column structure outer wall lower limb of main shaft big envelope 8, form sealing configuration; Meanwhile, the seal ring in the round column structure outer wall upper grooves 83 of the madial wall of oil sealing base 6 cylindrical space upper spaces and main shaft big envelope 8 contacts, and forms sealing configuration; And being provided with into the annular groove 611 on the horizontal plane of water, exhalant canal opening of oil sealing base 6 is corresponding with the annular groove 84 at the round column structure outer wall middle part of main shaft big envelope 8, forms cooling water flow circulation passage; Meanwhile, under the effect of the supported spring 47 of stationary ring 7 in setting sleeve 4, in the direction of bearing support 1, compress rotating ring 5, rotating ring 5 does not come in contact with oil sealing base 6.
Thus, setting sleeve 4, rotating ring 5 are fixed on main shaft 3, and oil sealing base 6 is fixed on the end of bearing support 1, stationary ring 7, main shaft big envelope 8 and oil sealing base 6 fixed seal connections.During work, main shaft 3 rotates in being provided with the bearing support 1 of seal arrangement, rotating ring 5 rotates with main shaft 3, effect due to supported spring 47, stationary ring 7 and rotating ring 5 are pressed together and carry out pivoting friction, and the friction surface of its rotating ring 5, stationary ring 7 consists of the High Strength Wear-Resistance Material of for example wear-resistant ceramic, and stationary ring 7 keeps close contact with rotating ring 5 on its surface of contact, can play good sealing effect, effectively prevent leaked liquid.By the asphalt channel 68 in the oil inlet hole 69 in external lubrication oil supply pipe road 9, oil sealing base 6,6 walls of oil sealing base, in the inner space of the cylindrical space bottom of the hollow of oil sealing base 6 and the bearing support 1 that is communicated with it, fill lubricant oil.The cooling water intake tunnel 64 of the cooling water of outer loop enters oil sealing base 6 seat from cooling water water inlet 66 wall, cylindrical space upper opening by cooling water intake tunnel 64 in the hollow of oil sealing base 6, flow in the cooling water flow circulation passage of the annular groove 611 of oil sealing base 6 and the corresponding formation of annular groove 84 of main shaft big envelope 8, main fricative heat between seal arrangement dynamic and static ring when taking away main shaft 3 and rotating, pass through again cooling water exhalant canal 65 at the cylindrical space upper opening of the hollow of oil sealing base 6, the cooling water exhalant canal 65 of the seat that is back to oil sealing base 6 in wall, through osculum 67, discharge, carry out circulation cooling.In the present embodiment, cooling water circulates by the cooling water circulation passage 15 in bearing support 1.
In another preferred embodiment of the present invention, as shown in Fig. 9 a-9b, at rotating ring 5 lower limbs, along sidewall, to its lower surface place, have locating notch 52, locating notch 52 coordinates with the positioning block of the through-hole side wall bottom, top of setting sleeve 4 round column structure inwalls, rotating ring 5 is positioned in setting sleeve 4, thus the orientation type that replaces last embodiment's mesopore-pin to coordinate.In the present embodiment, can also adopt a bung flange spring suitable with bearing platform 41 diameters of setting sleeve 4 to replace three springs 47 in last embodiment, rotating ring 5 is played a supporting role.
In like manner, as shown in Figure 10 a-10c, stationary ring 7 also can adopt the structure of locating notch 73, and 8 of main shaft big envelopes position.
The present invention is by adopting rotating ring, stationary ring Seal Design, the surface of contact of rotating ring, stationary ring is made by High Strength Wear-Resistance Material, and has optimized the circulation passage of circulating water, oil, has redesigned the overall structure of the seal arrangement of bearing support.Use the seal arrangement of bearing support of the present invention can effectively reduce the adding quantity of lubricant oil, under the speed conditions of 9000 revs/min, cooling effect is good, and the temperature of seal arrangement rises and remains in 10 degree, and maximum speed can reach 13000 revs/min.
Below the preferred embodiment of the invention is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all modification being equal to or replacement under the prerequisite without prejudice to the invention spirit, and the modification that these are equal to or replacement are all included in the application's claim limited range.
Claims (10)
1. a bearing pedestal seal device, is arranged on the end of bearing support, it is characterized in that: comprise setting sleeve, rotating ring, oil sealing base, stationary ring and main shaft big envelope,
Wherein, setting sleeve is the round column structure of hollow, the lower through-hole diameter of round column structure inwall is less than the top through-hole diameter of round column structure inwall, the bottom of round column structure inwall is provided with the parts that are fixedly connected with main shaft, setting sleeve rotates with main shaft, between the lower through-hole of setting sleeve round column structure inwall and the top through hole of inwall, be formed with ring-type bearing platform
Rotating ring is the cannular boss of ring-type, between rotating ring and setting sleeve, use positioning device to position, the lower surface of rotating ring is the supporting surface corresponding with the ring-type bearing platform of setting sleeve, between the ring-type bearing platform of the lower surface of rotating ring and setting sleeve, adopt spring to support, the contraposition placement of rotating ring and main shaft is provided with sealing configuration
Oil sealing base is the cylindric of hollow, be sealingly clamped on bearing support, the middle and upper part of the cylindrical hollow inwall of oil sealing base is provided with sealing bulge loop, the cylindrical space of the hollow of oil sealing base is divided into upper and lower, the cylindrical space bottom of the hollow of oil sealing base is sleeved on along the direction of main shaft the setting sleeve outside that is supported with rotating ring, the internal diameter of the sealing bulge loop of oil sealing base is greater than the boss lower outer diameter of rotating ring and is less than the boss top external diameter of rotating ring, in the seat wall of oil sealing base, be provided with cooling water intake tunnel and the exhalant canal for cooling water circulation, cooling water intake tunnel and exhalant canal are opened on respectively the cylindrical space top of the hollow of oil sealing base, in the seat wall of oil sealing base, be also provided with asphalt channel, one end of asphalt channel is opened on the cylindrical space bottom of the hollow of oil sealing base, the other end is connected with external lubrication oil supply pipe road,
Stationary ring is ring-type hollow cylinder, adapts with the upper surface shape of rotating ring,
Main shaft big envelope is the round column structure of hollow, the lower through-hole diameter of round column structure inwall is greater than the top through-hole diameter of round column structure inwall, between the top through hole of the lower through-hole of round column structure inwall and inwall, be formed with ring-type abutment platform, stationary ring is contained in the lower through-hole of round column structure inwall of main shaft big envelope, and be positioned in ring-type abutment platform, between the lower through-hole inwall of the round column structure of stationary ring outer wall and main shaft big envelope, there is sealing configuration, the round column structure outer wall middle part of main shaft big envelope is formed with annular groove, match with the cylindrical space upper inside wall of oil sealing base in main shaft big envelope outer wall bottom, the lower cylindrical structure of main shaft big envelope is fixed in the cylindrical space upper space of oil sealing base, make the annular groove at round column structure outer wall middle part of main shaft big envelope relative at the opening on the cylindrical space top of oil sealing base with cooling water intake tunnel and exhalant canal, and in the lower cylindrical structure of main shaft big envelope, enter in the component top and bottom position of cylindrical space upper space of oil sealing base, the cylindrical space upper space sidewall of main shaft big envelope and oil sealing base and/or sealed bottom bulge loop form sealing configuration, thereby form cooling water circulation passage, also make in the direction of bearing support, to compress rotating ring under the effect of the supported spring of stationary ring in setting sleeve.
2. bearing pedestal seal device as claimed in claim 1, it is characterized in that: the strip projection that is provided with a plurality of inclinations in the lower edge of setting sleeve outer surface, while making main shaft drive setting sleeve rotation, strip projection can stir lubricant oil to the direction of bearing support, and lubricant oil is flowed in its containing space.
3. bearing pedestal seal device as claimed in claim 1, is characterized in that: on the top of setting sleeve round column structure inwall and the sidewall of ring-type bearing platform, be formed with respectively oilhole.
4. bearing pedestal seal device as claimed in claim 1, is characterized in that: cooling water intake tunnel is connected with exhalant canal with the cooling water intake tunnel in bearing support respectively with exhalant canal, forms cooling water circulation passageway.
5. bearing pedestal seal device as claimed in claim 1, is characterized in that: described sealing configuration is the seal ring being embedded in groove.
6. the bearing pedestal seal device as described in one of claim 1-5, it is characterized in that: the bearing platform of setting sleeve is provided with one or more positioning holes, corresponding with the one or more positioning holes on the bearing platform of setting sleeve, on the lower surface of rotating ring, have blind hole, in the blind hole of rotating ring lower surface, be inserted with respectively locating stud, one end of locating stud protrudes from rotating ring lower surface, and corresponding with the positioning hole arranging on bearing platform, and insert wherein
Or, the means of fixation that can adopt locating notch and positioning block that is fixedly connected with of setting sleeve and rotating ring,
On the bearing platform of setting sleeve, be also provided with a plurality of support blind holes, support in blind hole and be inserted with supported spring, the other end of the supported spring of a plurality of support blind holes is supported on the lower surface of rotating ring.
7. the bearing pedestal seal device as described in one of claim 1-5, it is characterized in that: on stationary ring end face, be formed with one or more location blind hole, corresponding with one or more blind holes of stationary ring end face, the bearing platform of main shaft big envelope is provided with one or more location blind hole, by insertion, locate locating stud in blind hole and the location blind hole on stationary ring 7 end faces is connected and fixed
Or, the means of fixation that can adopt locating notch and positioning block that is fixedly connected with of main shaft big envelope and stationary ring.
8. the bearing pedestal seal device as described in one of claim 1-5, is characterized in that: the cooling water intake tunnel of oil sealing base and exhalant canal are opened on respectively the cylindrical space top of the hollow of oil sealing base, and is positioned at same horizontal plane.
9. the bearing pedestal seal device as described in one of claim 1-5, is characterized in that: oil sealing base is provided with into the hollow wall of the plane of water, exhalant canal opening and is inwardly formed with annular groove, make to be arranged in annular groove into water, exhalant canal opening,
Being provided with into the annular groove in the plane of water, exhalant canal opening of oil sealing base is corresponding with the annular groove shaped at the round column structure outer wall middle part of main shaft big envelope, jointly forms cooling water flow circulation passage.
10. bearing pedestal seal device as claimed in claim 1, is characterized in that: the round column structure outer wall top of main shaft big envelope 8 is formed with annular groove, for placing the first seal ring,
The round column structure outer wall lower limb of main shaft big envelope is formed with inside step-like scrobicular ring, for placing the second seal ring,
The round column structure outer wall bottom of main shaft big envelope is fixedly connected with by screw-thread fit with the cylindrical space upper inside wall of oil sealing base 6,
On the sealing bulge loop of oil sealing base and the link position of oil sealing base cylindrical space upper space sidewall, the second seal ring butt on the step-like scrobicular ring of the round column structure outer wall lower limb of the sealing bulge loop of oil sealing base and main shaft big envelope, forms sealing configuration; Meanwhile, the first seal ring in the round column structure outer wall upper grooves of the madial wall of oil sealing base cylindrical space upper space and main shaft big envelope contacts, and forms sealing configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420293401.6U CN203939992U (en) | 2014-05-30 | 2014-05-30 | A kind of bearing pedestal seal device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420293401.6U CN203939992U (en) | 2014-05-30 | 2014-05-30 | A kind of bearing pedestal seal device |
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| CN203939992U true CN203939992U (en) | 2014-11-12 |
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| CN201420293401.6U Withdrawn - After Issue CN203939992U (en) | 2014-05-30 | 2014-05-30 | A kind of bearing pedestal seal device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221749A (en) * | 2014-05-30 | 2016-01-06 | 浙江海峰制鞋设备有限公司 | A kind of bearing pedestal seal device |
| CN109333220A (en) * | 2018-10-16 | 2019-02-15 | 刘小辉 | A kind of decanter type edge polisher and its method of edging |
-
2014
- 2014-05-30 CN CN201420293401.6U patent/CN203939992U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221749A (en) * | 2014-05-30 | 2016-01-06 | 浙江海峰制鞋设备有限公司 | A kind of bearing pedestal seal device |
| CN105221749B (en) * | 2014-05-30 | 2017-10-31 | 浙江海峰制鞋设备有限公司 | A kind of bearing pedestal seal device |
| CN109333220A (en) * | 2018-10-16 | 2019-02-15 | 刘小辉 | A kind of decanter type edge polisher and its method of edging |
| CN109333220B (en) * | 2018-10-16 | 2024-01-30 | 刘小辉 | Sedimentation type edge grinding machine and edge grinding processing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141112 Effective date of abandoning: 20171031 |
|
| AV01 | Patent right actively abandoned |