CN109365039B - Thin oil dustproof sealing device and method for rotary or cone crusher - Google Patents
Thin oil dustproof sealing device and method for rotary or cone crusher Download PDFInfo
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- CN109365039B CN109365039B CN201811442798.XA CN201811442798A CN109365039B CN 109365039 B CN109365039 B CN 109365039B CN 201811442798 A CN201811442798 A CN 201811442798A CN 109365039 B CN109365039 B CN 109365039B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2/00—Crushing or disintegrating by gyratory or cone crushers
- B02C2/02—Crushing or disintegrating by gyratory or cone crushers eccentrically moved
- B02C2/04—Crushing or disintegrating by gyratory or cone crushers eccentrically moved with vertical axis
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- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
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- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/324—Arrangements for lubrication or cooling of the sealing itself
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- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
A thin oil dustproof sealing device and method for a rotary or cone crusher relate to the field of rotary or cone crushers. The invention solves the problems that the existing dustproof device of the rotary or cone crusher has serious abrasion and poor sealing effect, so that the service life of a transmission system is short, the cost consumption is high, and the operation of the crushing process flow is influenced. The upper dustproof sealing check ring and the lower dustproof sealing snap ring of the thin oil dustproof sealing device are sequentially arranged below a rotating cone of a rotary or cone crusher from top to bottom, the upper dustproof sealing check ring is fixedly connected with the rotating cone of the rotary or cone crusher, the lower dustproof sealing snap ring is fixedly connected with the upper dustproof sealing check ring, a dustproof ring is fixedly connected with a fixed frame body of the rotary or cone crusher, a sealing middle ring is arranged between the upper dustproof sealing check ring and the lower dustproof sealing snap ring, the sealing middle ring is sleeved on the dustproof ring, and two O-shaped rings are respectively arranged on the upper dustproof sealing check ring and the sealing middle ring. The thin oil dustproof sealing device is used for thin oil dustproof sealing of a rotary or cone crusher.
Description
Technical Field
The invention relates to the field of rotary or cone crushers, in particular to a thin oil dustproof sealing device and method for a rotary or cone crusher.
Background
At present, a rotary or cone crusher is widely applied to a process flow of mining development of coarse crushing or medium and fine crushing. In the working process of the crusher, the movable cone performs eccentric rotary motion to realize the crushing of mineral materials. The crushing of mineral material inevitably generates dust particles and measures (such as providing dust seals) are therefore required to protect the relevant parts of the apparatus from the harmful effects caused by the dust particles.
The dustproof device is used as a key joint point for sealing the inside and the outside of the equipment, and the service life of the whole crushing equipment is influenced by the sealing effect. During crushing, the eccentric movement and small-amplitude up-and-down movement of the movable cone bring difficulties to the dust-proof sealing of the crusher. Because the clearance between the sealing element and the dust ring surface gradually increases with the continuous wear of the sealing element and the dust ring surface under the condition of no lubrication. If the sealing is not timely found after failure, a large amount of dust enters the equipment, and then the oil is circularly fed into the oil tank to pollute the whole lubricating system. The body is heated lightly; the eccentric sleeve, the friction disc, the transmission gear and the oil pump are damaged after the oil pump is used. Finally, the service life of the transmission system is greatly reduced, the cost consumption is increased, and the operation of the whole crushing process flow of the mine enterprise is influenced.
In conclusion, the existing dust-proof device of the rotary or cone crusher has the problems of serious abrasion, poor sealing effect, short service life of a transmission system, high cost consumption and influence on the operation of the crushing process flow.
Disclosure of Invention
The invention aims to solve the problems that the conventional dustproof device of a rotary or cone crusher is seriously abraded and has poor sealing effect, so that the service life of a transmission system is short, the cost consumption is high, and the operation of a crushing process flow is influenced, and further provides a thin oil dustproof sealing device and a thin oil dustproof sealing method for the rotary or cone crusher.
The technical scheme of the invention is as follows:
a thin oil dustproof sealing device for a rotary or cone crusher comprises an upper dustproof sealing check ring and a sealing middle ring, the dustproof sealing device comprises a lower dustproof sealing snap ring, a dustproof ring and two O-shaped rings, wherein an upper dustproof sealing check ring and a lower dustproof sealing snap ring are sequentially arranged below a rotary or cone crusher moving cone from top to bottom, the upper dustproof sealing check ring is fixedly connected with the rotary or cone crusher moving cone, the lower dustproof sealing snap ring is fixedly connected with the upper dustproof sealing check ring, the dustproof ring sequentially penetrates through the lower dustproof sealing snap ring and the upper dustproof sealing check ring from bottom to top and is fixedly connected with a fixed frame body of the rotary or cone crusher, a sealing middle ring is arranged between the upper dustproof sealing check ring and the lower dustproof sealing snap ring, the sealing middle ring is sleeved on the dustproof ring, the two O-shaped rings are respectively a first sealing ring and a second sealing ring, and the first sealing ring and the second sealing ring are respectively arranged on the upper dustproof sealing check ring and the sealing.
Furthermore, a first oil retainer ring is arranged on the inner surface of the upper dustproof sealing retainer ring, a first O-shaped ring mounting groove is formed in the surface of the lower portion of the upper dustproof sealing retainer ring, a plurality of oil passages are arranged in the circumferential direction of the inner surface of the upper dustproof sealing retainer ring, and each oil passage is communicated with the first O-shaped ring mounting groove.
Furthermore, a second O-shaped ring mounting groove is formed in the surface of the inner side of the middle sealing ring, and a groove hole is formed in the upper portion of the notch of the second O-shaped ring mounting groove in the circumferential direction.
Furthermore, a second oil retaining ring is arranged on the inner surface of the dustproof ring, a plurality of guide oil holes are formed in the inner hole of the dustproof ring in the radial direction, and a plurality of oil discharge ports are formed in the inner groove of the dustproof ring.
Furthermore, the inner surface of the upper dustproof sealing retainer ring is provided with at least two oil passages, the inner hole of the dustproof ring is provided with at least two guide oil holes, and the inner groove of the dustproof ring is provided with at least two oil discharge ports.
Furthermore, the thin oil dustproof sealing device further comprises a framework oil seal and a check ring, the framework oil seal is arranged on the sealing middle ring, the framework oil seal is connected with the dustproof ring in a rotatable and sealed mode, and the check ring is arranged in a clamping groove of the sealing middle ring.
Furthermore, the inner side surface of the sealing middle ring is provided with a framework oil seal groove, and the lower part of the sealing middle ring is provided with a check ring groove.
Further, the material of the sealing middle ring is a wear-resistant medium.
Further, the material of the sealing middle ring is one of nylon, polyurethane and ABS.
A sealing method adopting a thin oil dustproof sealing device comprises the following steps: lubricating oil in a transmission system of the gyratory or cone crusher enters the thin oil dustproof sealing device through a guide oil hole of a dustproof ring of the thin oil dustproof sealing device to lubricate the thin oil dustproof sealing device with thin oil; in the process of lubricating the thin oil dustproof sealing device with thin oil, the first O-shaped ring installation groove of the upper dustproof sealing retainer ring and the second oil retainer ring of the dustproof ring prevent lubricating oil from splashing and are favorable for backflow.
Compared with the prior art, the invention has the following effects:
1. the invention does not need to establish a thin oil lubrication station separately, and directly utilizes the lubricating oil in the transmission system of the rotary or cone crusher to be introduced into the dustproof sealing device through the guide oil hole of the dustproof ring to lubricate the dustproof sealing ring or the framework oil seal, thereby prolonging the service life and improving the sealing effect;
2. the dustproof ring and the upper dustproof sealing retainer ring are provided with the oil blocking ring structures, so that the lubricating oil can be prevented from splashing due to the rotation or the rotating centrifugal action of the movable cone of the cone crusher, and the backflow is facilitated. The invention has simple structure and good dustproof sealing effect.
Drawings
FIG. 1 is a schematic structural view of a thin oil dustproof sealing device in embodiment 1 of the present invention;
FIG. 2 is a schematic view of the structure of the upper dust-proof gasket in embodiment 1 of the present invention;
FIG. 3 is a schematic view of the middle sealing ring structure in example 1 of the present invention;
FIG. 4 is a schematic view of a dustproof ring structure according to embodiment 1 of the present invention;
FIG. 5 is a schematic structural view of a thin oil dustproof sealing device in embodiment 2 of the present invention;
fig. 6 is a schematic view of the structure of the middle sealing ring in example 2 of the present invention.
Detailed Description
The first embodiment is as follows: the thin oil dustproof sealing device for the rotary or cone crusher is described by combining fig. 1, and comprises an upper dustproof sealing check ring 10, a middle sealing ring 20, a lower dustproof sealing snap ring 30, a dustproof ring 50 and two O-rings 40, wherein the upper dustproof sealing check ring 10 and the lower dustproof sealing snap ring 30 are sequentially arranged below a rotary or cone crusher moving cone from top to bottom, the upper dustproof sealing check ring 10 is fixedly connected with the rotary or cone crusher moving cone, the lower dustproof sealing snap ring 30 is fixedly connected with the upper dustproof sealing check ring 10, the dustproof ring 50 sequentially penetrates through the lower dustproof sealing snap ring 30 and the upper dustproof sealing check ring 10 from bottom to top and is fixedly connected with a fixed frame body of the rotary or cone crusher, the middle sealing ring 20 is arranged between the upper dustproof sealing check ring 10 and the lower dustproof sealing snap ring 30, the middle sealing ring 20 is sleeved on the dustproof ring 50, the two O-rings 40 are respectively a first sealing ring and a second sealing ring, and the first sealing ring and the second sealing ring are respectively arranged on the upper dustproof sealing check ring 10 and the sealing middle ring 20.
The upper dustproof sealing check ring 10 of the embodiment is fixed below a movable cone of a rotary or cone crusher through screws, and the upper dustproof sealing check ring 10 is used for fixing a middle sealing ring 20;
the lower dustproof sealing snap ring 30 of the present embodiment is fixed below the upper dustproof sealing snap ring 10 by a screw, and the lower dustproof sealing snap ring 30 is used for clamping the sealing middle ring 20;
the dust ring 50 of the present embodiment is fixed to a fixing frame of a gyratory or cone crusher by screws, and the dust ring 50 is used to transport lubricating oil in cooperation with the middle sealing ring 20.
The second embodiment is as follows: referring to fig. 2, the first slinger 101 is provided on the inner surface of the upper dust-proof gasket 10, the first O-ring mounting groove 102 is provided on the lower surface of the upper dust-proof gasket 10, and a plurality of oil passages 103, each communicating with the first O-ring mounting groove 102, are provided on the inner surface of the upper dust-proof gasket 10 in the circumferential direction. So configured, the first slinger 101 makes the lubricating oil splashed under the centrifugal action flow back; the first O-ring mounting groove 102 is used for mounting the O-ring 40; the oil passage 103 communicating with the first O-ring installation groove 102 serves to guide the flow of the lubricating oil. Other components and connections are the same as in the first embodiment.
The third concrete implementation mode: referring to fig. 3, the sealing ring 20 of the present embodiment is provided with a second O-ring mounting groove 201 on the inner surface thereof, and a groove hole 202 is formed in the circumferential direction at the notch upper portion of the second O-ring mounting groove 201. So configured, the second O-ring mounting groove 201 is used for mounting the O-ring 40; the slot 202 is used for guiding the flow of the lubricating oil. Other compositions and connections are the same as in the first or second embodiments.
The fourth concrete implementation mode: in the present embodiment, the second oil retainer 501 is provided on the inner surface of the dust ring 50, the dust ring 50 is provided with a plurality of guide oil holes 502 in the radial direction of the inner hole, and the dust ring 50 is provided with a plurality of oil discharge ports 503 in the inner groove, as described with reference to fig. 4. With such arrangement, when the rotating cone of the gyratory or cone crusher gyrates, the second oil control ring 501 is used for preventing lubricating oil from splashing; the guide oil hole 502 guides the splashed lubricating oil; the oil drain 503 is used to drain the lubricating oil overflowing into the dust-proof ring 50. Other compositions and connection relationships are the same as in the first, second or third embodiment.
The fifth concrete implementation mode: referring to fig. 2 and 4, the inner surface of the upper dust-proof sealing retainer ring 10 of the present embodiment is provided with at least two oil passages 103, the inner hole of the dust-proof ring 50 is provided with at least two guide oil holes 502, and the inner groove of the dust-proof ring 50 is provided with at least two oil discharge ports 503. Other compositions and connection relationships are the same as those in the first, second, third or fourth embodiment.
The sixth specific implementation mode: the thin oil dustproof sealing device of the present embodiment is described with reference to fig. 5, and further includes a framework oil seal 60 and a retainer ring 70, where the framework oil seal 60 is disposed on the middle sealing ring 20, the framework oil seal 60 is rotatably and sealingly connected with the dustproof ring 50, and the retainer ring 70 is disposed in a clamping groove of the middle sealing ring 20. With the arrangement, the framework oil seal 60 and the dustproof ring 50 rotate relatively to form thin oil lubrication seal; the retainer ring 70 is used for preventing the framework oil seal 60 from falling off. Other compositions and connection relationships are the same as in the first, second, third, fourth or fifth embodiment.
The seventh embodiment: referring to fig. 6, the present embodiment is described, in which a skeleton oil seal groove 203 is formed on an inner side surface of the middle seal ring 20, and a retainer groove 204 is formed in a lower portion of the middle seal ring 20. So arranged, the framework oil seal groove 203 is used for installing the framework oil seal 60; the retainer groove 204 is used to mount the retainer 70. Other compositions and connection relationships are the same as in the first, second, third, fourth, fifth or sixth embodiment.
The specific implementation mode is eight: the material of the sealing middle ring 20 of the present embodiment is a wear-resistant medium. So set up, have better wear resistance, improved the life of middle sealing ring 20. Other compositions and connection relationships are the same as those of embodiment one, two, three, four, five, six or seven.
The specific implementation method nine: the material of the sealing middle ring 20 of the present embodiment is one of nylon, polyurethane, and ABS. Other compositions and connection relationships are the same as those in the first, second, third, fourth, fifth, sixth, seventh or eighth embodiment.
The detailed implementation mode is ten: the present embodiment will be described with reference to fig. 1 to 6, and a sealing method using a thin oil dust seal device of the present embodiment includes the following steps: lubricating oil in a transmission system of the rotary or cone crusher enters the thin oil dustproof sealing device through a guide oil hole 502 of a dustproof ring 50 of the thin oil dustproof sealing device to lubricate the thin oil dustproof sealing device with thin oil; in the process of lubricating the thin oil dustproof sealing device with thin oil, the first O-shaped ring installation groove 102 of the upper dustproof sealing retainer ring 10 and the second oil retainer ring 501 of the dustproof ring 50 prevent the lubricating oil from splashing and are favorable for backflow. Other compositions and connection relationships are the same as those of embodiment one, two, three, four, five, six, seven, eight or nine.
Examples
The first embodiment is as follows: the embodiment is described with reference to fig. 1-4, and provides the following technical solutions, a thin oil dustproof sealing device for a gyratory or cone crusher,
as shown in fig. 1, the thin oil dustproof sealing device comprises an upper dustproof sealing retainer ring 10, a middle sealing ring 20, a lower dustproof sealing retainer ring 30, a dustproof ring 50 and two O-rings 40,
wherein, the upper dustproof sealing retainer ring 10 is arranged below a movable cone of a rotary or cone crusher, is fixed by screws and is used for fixing the middle sealing ring 20;
the sealing middle ring 20 is arranged between the upper dustproof sealing retainer ring 10 and the lower dustproof sealing retainer ring 30 and is sleeved on the dustproof ring 50;
the lower dustproof sealing snap ring 30 is arranged below the upper dustproof sealing check ring 10, is fixed by screws and is used for clamping the sealing middle ring 20;
the O-shaped ring 40 is arranged on the upper dustproof sealing retainer ring 10 and the sealing middle ring 20 and is used for the sealing function of thin oil lubrication;
the dustproof ring 50 is arranged on a fixed frame body of the rotary or cone crusher, is fixed by screws, is used for being matched with the sealing middle ring 20, and plays a role in conveying lubricating oil;
when the rotating cone of the rotary cone crusher eccentrically rotates, the sealing middle ring 20 is in clearance fit with the upper dustproof sealing check ring 10, the lower dustproof sealing snap ring 30 and the dustproof ring 50, and mutual friction is generated among the sealing middle ring and the dustproof sealing check ring, so that external dust is prevented from entering the rotary cone crusher or the cone crusher; wherein, the material of the sealing middle ring 20 is nylon, polyurethane, ABS and other wear-resistant media.
As shown in fig. 2, the upper dust-proof sealing retainer ring 10 is provided with an oil slinger 101, an O-ring mounting groove 102 and an oil passage 103; an oil retainer ring 101 is arranged on the inner surface of the upper dustproof sealing retainer ring 10, so that the splashed lubricating oil flows back under the centrifugal action; an O-shaped ring mounting groove 102 is formed in the surface of the lower portion of the upper dustproof sealing retainer ring 10 and used for mounting an O-shaped ring 40; the circumferential direction of the inner surface of the upper dustproof sealing retainer ring 10 is provided with N oil passages 103 (wherein N is more than or equal to 2, and N is an integer), which are communicated with the O-shaped ring mounting groove 102 and used for guiding lubricating oil.
As shown in fig. 3, the inner side surface of the middle sealing ring 20 is provided with a sealing ring groove 201 for installing an O-ring; and a slotted hole 202 is arranged on the upper part of the notch of the sealing ring groove 201 in the circumferential direction and is used for guiding lubricating oil.
As shown in fig. 4, the dust ring 50 is provided with an oil slinger 501, a guide oil hole 502 and an oil drain hole 503; the inner surface of the dustproof ring 50 is provided with an oil retainer 501 which is used for preventing lubricating oil from splashing when a rotating cone of a rotary or cone crusher rotates; the dustproof ring 50 is also provided with M guide oil holes 502 (wherein M is more than or equal to 2 and is an integer) in the radial direction of the inner hole, so as to guide splashed lubricating oil; the dust ring 50 is further provided with Z oil discharge ports 503 (where Z is equal to or greater than 2, and Z is an integer) on the inner groove for discharging the lubricating oil overflowing into the dust ring 50.
Example two: the embodiment is described in conjunction with fig. 5-6, and provides the following technical solutions, a thin oil dustproof sealing device for a gyratory or cone crusher,
as shown in fig. 5, the thin oil dustproof sealing device comprises an upper dustproof sealing retainer ring 10, a middle sealing ring 20, a lower dustproof sealing retainer ring 30, a dustproof ring 50, a framework oil seal 60, a retainer ring 70 and two O-rings 40,
wherein, the framework oil seal 60 is arranged on the sealing middle ring 20 and rotates relative to the dustproof ring 50 to form thin oil lubrication sealing.
The retainer ring 70 is disposed in the slot of the middle sealing ring 20 for preventing the framework oil seal 60 from falling off.
As shown in fig. 6, a framework oil seal groove 203 is formed on the inner side surface of the middle sealing ring 20 and used for installing a framework oil seal; the lower portion of the middle sealing ring 20 is further provided with a retaining ring groove 204 for installing the retaining ring 70.
Other components and connection relationships are the same as those in the first embodiment.
Example three: the embodiment is described with reference to fig. 1-4, and provides the following technical solutions, namely, a thin oil dustproof sealing method for a gyratory or cone crusher, which is implemented by using a thin oil dustproof sealing device,
the thin oil dustproof sealing method comprises the following steps: lubricating oil in a transmission system of the rotary or cone crusher enters the thin oil dustproof sealing device through a guide oil hole 502 of a dustproof ring 50 of the thin oil dustproof sealing device to lubricate the thin oil dustproof sealing device with thin oil; in the process of lubricating the thin oil dustproof sealing device with thin oil, the first O-shaped ring installation groove 102 of the upper dustproof sealing retainer ring 10 and the second oil retainer ring 501 of the dustproof ring 50 prevent the lubricating oil from splashing and are favorable for backflow.
Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.
Claims (7)
1. A thin oil dustproof sealing device for a rotary or cone crusher comprises an upper dustproof sealing retainer ring (10), a sealing middle ring (20), a lower dustproof sealing retainer ring (30), a dustproof ring (50) and two O-shaped rings (40), wherein the upper dustproof sealing retainer ring (10) and the lower dustproof sealing retainer ring (30) are sequentially arranged below a rotary or cone crusher movable cone from top to bottom, the upper dustproof sealing retainer ring (10) is fixedly connected with the rotary or cone crusher movable cone, the lower dustproof sealing retainer ring (30) is fixedly connected with the upper dustproof sealing retainer ring (10), the dustproof ring (50) sequentially penetrates through the lower dustproof sealing retainer ring (30) and the upper dustproof sealing retainer ring (10) from bottom to top and is fixedly connected with a fixed frame body of the rotary or cone crusher, the sealing middle ring (20) is arranged between the upper dustproof sealing retainer ring (10) and the lower dustproof retainer ring (30), sealed zhong huan (20) cover is established on dirt proof ring (50), and two O type circle (40) are first sealing washer and second sealing washer respectively, and first sealing washer and second sealing washer set up respectively on last dustproof sealing retaining ring (10) and sealed zhong huan (20), its characterized in that: dustproof ring (50) are equipped with a plurality of direction oilholes (502) in the footpath of hole, and dustproof ring (50) are equipped with a plurality of oil drain ports (503) on inside recess, thin oil dustproof sealing device still includes skeleton oil blanket (60) and retaining ring (70), and sealed zhonghuan (20) medial surface is equipped with skeleton oil blanket groove (203), and skeleton oil blanket (60) set up in skeleton oil blanket groove (203), and skeleton oil blanket (60) and dustproof ring (50) rotatable sealing connection, sealed zhonghuan (20) lower part are equipped with retaining ring slot (204), and retaining ring (70) set up in retaining ring slot (204) of sealed zhonghuan (20), and dustproof ring (50) internal surface is equipped with second oil retaining ring (501).
2. A thin oil dust seal for a gyratory or cone crusher as claimed in claim 1, wherein: a first oil retainer ring (101) is arranged on the inner surface of the upper dustproof sealing retainer ring (10), a first O-shaped ring mounting groove (102) is arranged on the surface of the lower portion of the upper dustproof sealing retainer ring (10), a plurality of oil passages (103) are arranged in the circumferential direction of the inner surface of the upper dustproof sealing retainer ring (10), and each oil passage is communicated with the first O-shaped ring mounting groove (102).
3. A thin oil dust seal for a gyratory or cone crusher as claimed in claim 2, wherein: a second O-shaped ring mounting groove (201) is formed in the surface of the inner side of the middle sealing ring (20), and a groove hole (202) is formed in the upper portion of the notch of the second O-shaped ring mounting groove (201) in the circumferential direction.
4. A thin oil dust seal for a gyratory or cone crusher as claimed in claim 2, wherein: the inner surface of the upper dustproof sealing retainer ring (10) is provided with at least two oil channels (103), the inner hole of the dustproof ring (50) is provided with at least two guide oil holes (502), and the inner groove of the dustproof ring (50) is provided with at least two oil discharge ports (503).
5. A thin oil dust seal for a gyratory or cone crusher as claimed in claim 1 or 3, wherein: the material of the sealing middle ring (20) is a wear-resistant medium.
6. A thin oil dust seal for a gyratory or cone crusher as claimed in claim 5, wherein: the material of the sealing middle ring (20) is one of nylon, polyurethane and ABS.
7. A sealing method using the thin oil dust seal device of any one of claims 2 to 4, characterized in that: the thin oil dustproof sealing method comprises the following steps: lubricating oil in a transmission system of a rotary or cone crusher enters a thin oil dustproof sealing device through a guide oil hole (502) of a dustproof ring (50) of the thin oil dustproof sealing device to lubricate the thin oil dustproof sealing device with thin oil; in the process of lubricating the thin oil dustproof sealing device with thin oil, the first O-shaped ring installation groove (102) of the upper dustproof sealing retainer ring (10) and the second oil retainer ring (501) of the dustproof ring (50) prevent lubricating oil from splashing and are favorable for backflow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811442798.XA CN109365039B (en) | 2018-11-29 | 2018-11-29 | Thin oil dustproof sealing device and method for rotary or cone crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811442798.XA CN109365039B (en) | 2018-11-29 | 2018-11-29 | Thin oil dustproof sealing device and method for rotary or cone crusher |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109365039A CN109365039A (en) | 2019-02-22 |
| CN109365039B true CN109365039B (en) | 2021-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811442798.XA Active CN109365039B (en) | 2018-11-29 | 2018-11-29 | Thin oil dustproof sealing device and method for rotary or cone crusher |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3866644B2 (en) * | 2002-10-21 | 2007-01-10 | 株式会社アーステクニカ | Rotating crusher and operation method of rotatory crusher |
| CN201129460Y (en) * | 2007-12-18 | 2008-10-08 | 祁增荣 | Dustproof type sealing means for main shaft of ball mill |
| CN203291901U (en) * | 2012-08-28 | 2013-11-20 | 郎宝贤 | Dustproof sealing device of cone crusher |
| CN203184062U (en) * | 2013-03-18 | 2013-09-11 | 浙江武精机器制造有限公司 | Novel gyratory crusher |
| CN203678432U (en) * | 2014-01-04 | 2014-07-02 | 河南黎明重工科技股份有限公司 | Bidirectional positive-pressure thin oil sealing device of cone crusher |
| CN207533387U (en) * | 2017-10-18 | 2018-06-26 | 韶关市创力机械有限公司 | A kind of dust-proof sealing device for Single-Cylinder Hydraulic Cone Crusher |
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2018
- 2018-11-29 CN CN201811442798.XA patent/CN109365039B/en active Active
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| CN109365039A (en) | 2019-02-22 |
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