CN220668374U - Floating oil seal device - Google Patents
Floating oil seal device Download PDFInfo
- Publication number
- CN220668374U CN220668374U CN202322287048.2U CN202322287048U CN220668374U CN 220668374 U CN220668374 U CN 220668374U CN 202322287048 U CN202322287048 U CN 202322287048U CN 220668374 U CN220668374 U CN 220668374U
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- China
- Prior art keywords
- ring
- floating
- end cover
- shaft sleeve
- clamping
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- 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.)
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- 238000007667 floating Methods 0.000 title claims abstract description 63
- 230000008878 coupling Effects 0.000 claims abstract description 16
- 238000010168 coupling process Methods 0.000 claims abstract description 16
- 238000005859 coupling reaction Methods 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims abstract description 14
- 238000005096 rolling process Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims description 7
- 230000002262 irrigation Effects 0.000 claims description 3
- 238000003973 irrigation Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 7
- 239000003245 coal Substances 0.000 abstract description 7
- 238000005065 mining Methods 0.000 abstract description 7
- 239000010959 steel Substances 0.000 abstract description 7
- 230000001050 lubricating effect Effects 0.000 abstract description 5
- 238000010030 laminating Methods 0.000 abstract 1
- 238000005299 abrasion Methods 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Mechanical Sealing (AREA)
Abstract
The utility model discloses a floating oil seal device, and particularly relates to the field of coal mining, which comprises an end cover, wherein a floating seal ring is connected with the inner part of the end cover in a clamping way, an O-shaped ring is connected with the outer wall of the floating seal ring in a clamping way, a rubber ring is connected with the inner wall of the floating seal ring in a laminating way, a roller coupling sleeve is connected with the bottom part of the floating seal ring in a clamping way, an installation clamping seat is fixedly connected with the top part of the end cover, a shaft sleeve is connected with the top part of the installation clamping seat in a clamping way, and a ball is connected with the inner wall of the shaft sleeve in a rolling way. The top one side of axle sleeve is provided with the filling subassembly, the inside of filling subassembly is including center pin, movable cover plate, filling hole and conveyer trough. The utility model is convenient for the O-shaped rings to detach by filling the lubricating solution, so that the detachment is easier, the sliding seal (steel ring part) replaced when oil leaks is reused, and only two O-shaped rings (one set is replaced originally) are replaced when the sliding seal steel ring part is not broken when oil leaks are treated at present.
Description
Technical Field
The utility model relates to the field of coal mining, in particular to a floating oil seal device.
Background
The floating oil seal is needed to be used on engineering machinery such as an excavator, oil leakage at the sliding seal position of a rocker arm planetary reducer of the coal mining machine can cause abrasion damage to a planetary reducer bearing, and due to too much stone (or hard gangue) on a working face, strong impact force on a roller is formed when the coal mining machine cuts the stone (or hard gangue), the impact force can not only impact a power transmission part of the rocker arm, but also abnormal transverse thrust is caused to the sliding seal arranged at a roller connecting sleeve, and the thrust can cause the O-shaped ring with fixing and sealing functions to misplace and fall off to lose sealing effect so as to leak oil.
Through searching, the prior patent (publication number: CN 212338171U) discloses a floating oil seal device, which comprises a floating ring and a sealing ring, wherein the sealing ring is sleeved on the floating ring, the floating oil seal device further comprises a tightening ring, the sealing ring is sleeved on the tightening ring, and the two side ring surfaces of the sealing ring are respectively tightly fastened with the floating ring and the tightening ring. The utility model has the following beneficial effects: the outside of the sealing ring is additionally provided with the tightening ring, the sealing ring is clamped between the floating ring and the tightening ring by utilizing the tightening effect of the tightening ring, so that the sealing ring is prevented from being worn, the deformation of the sealing ring caused by thermal expansion and cold contraction can be reduced, and the sealing ring is prevented from falling off from the floating ring. The inventors found that the following problems exist in the prior art in the process of implementing the present utility model:
when the existing floating oil seal device is used, the drill rod of the track tunnel drilling machine used by the water detection and drainage team is long in service life and serious in abrasion, and the drill rod is frequently blocked and easily falls off when being replaced in use, so that accidents are hurt, and therefore, a floating oil seal device convenient to detach needs to be designed;
therefore, a floating oil seal device is proposed against the above-described problems.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, embodiments of the present utility model provide a floating oil seal device to solve the above-mentioned problems of the related art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the floating oil seal device comprises an end cover, wherein a floating seal ring is connected to the inner clamping of the end cover, an O-shaped ring is connected to the outer wall clamping of the floating seal ring, a rubber ring is connected to the inner wall of the floating seal ring in a fitting mode, a roller coupling sleeve is connected to the bottom clamping of the floating seal ring, an installation clamping seat is fixedly connected to the top of the end cover, a shaft sleeve is connected to the top clamping of the installation clamping seat, and a ball is connected to the inner wall of the shaft sleeve in a rolling mode.
The top one side of axle sleeve is provided with the filling subassembly, the inside of filling subassembly is including center pin, movable cover plate, filling hole and conveyer trough.
Preferably, the outer wall fixedly connected with mounting panel of axle sleeve, the screw hole has been seted up to the top of mounting panel.
Preferably, the bottom of the shaft sleeve is provided with a rotary clamping groove, and the top of the mounting clamping seat is mutually embedded with the notch of the rotary clamping groove.
Preferably, a central shaft is fixedly connected to one side of the top of the shaft sleeve, a movable cover plate is connected to one side of the shaft sleeve through the central shaft, an irrigation hole is formed in one side of the movable cover plate, and a conveying groove is formed in the shaft sleeve.
Preferably, the conveying groove is positioned below the filling hole, and the conveying groove is an annular channel.
Preferably, the O-shaped ring is positioned between the floating seal ring and the end cover, the other O-shaped ring is positioned between the floating seal ring and the roller coupling sleeve, and the O-shaped ring is a rubber ring with the diameter of 13.5 mm.
Preferably, the thickness of the end cover is consistent with that of the roller coupling sleeve, and the floating seal ring is positioned between the end cover and the roller coupling sleeve.
Preferably, a sliding groove is formed in the inner wall of the shaft sleeve, and the balls move along the sliding groove in a circular mode.
The utility model has the technical effects and advantages that:
1. compared with the prior art, this floating oil seal device uses through end cover, floating seal ring, O type circle, rubber circle, cylinder coupling cover, mount pad, axle sleeve, ball, filling subassembly, center pin, activity shroud, filling hole and conveyer trough mutually supporting for floating oil seal device is when needs replace, fills lubricating solution, and the O type circle of being convenient for dismantles, makes dismantlement more light, and the sliding seal (steel ring part) that changes down when the oil leak has reuse again, and as long as the sliding seal steel ring part is not broken when handling the oil leak now just changes two O type circles (originally is the change).
2. Compared with the prior art, this floating oil seal device uses through installing cassette, axle sleeve, ball, filling subassembly, mounting panel and rotatory draw-in groove mutually supporting, through the detachable axle sleeve that sets up, is convenient for carry out the installation of different modes with floating oil seal according to the installation condition for the mounting means is more various, and the usable range is wider.
Drawings
Fig. 1 is an overall view of the present utility model.
Fig. 2 is a cross-sectional view of the present utility model.
FIG. 3 is a schematic view of the connection structure of the floating seal ring and the end cover of the present utility model.
Fig. 4 is an enlarged view of fig. 2 a in accordance with the present utility model.
The reference numerals are: 1. an end cap; 2. a floating seal ring; 3. an O-ring; 4. a rubber ring; 5. a roller coupling sleeve; 6. installing a clamping seat; 7. a shaft sleeve; 8. a ball; 9. an infusion assembly; 901. a central shaft; 902. a movable cover plate; 903. filling the hole; 904. a conveying trough; 10. a mounting plate; 11. the clamping groove is rotated.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
The floating oil seal device as shown in fig. 1 and 2 comprises an end cover 1, wherein a floating seal ring 2 is connected to the inner clamping of the end cover 1, an O-shaped ring 3 is connected to the outer wall clamping of the floating seal ring 2, a rubber ring 4 is connected to the inner wall of the floating seal ring 2 in a fitting manner, a roller coupling sleeve 5 is connected to the bottom clamping of the floating seal ring 2, an installation clamping seat 6 is fixedly connected to the top of the end cover 1, a shaft sleeve 7 is connected to the top clamping of the installation clamping seat 6, and a ball 8 is connected to the inner wall of the shaft sleeve 7 in a rolling manner.
The top side of the shaft sleeve 7 is provided with a filling assembly 9, and the inside of the filling assembly 9 comprises a central shaft 901, a movable cover plate 902, a filling hole 903 and a conveying groove 904.
Wherein: through the use of mutually supporting of end cover 1, floating seal ring 2, O type circle 3, rubber circle 4, cylinder coupling cover 5, mount clamping seat 6, axle sleeve 7, ball 8, filling subassembly 9, center pin 901, activity shroud 902, filling hole 903 and conveyer trough 904 for floating oil seal device is when needs replace, fills lubricating solution, and O type circle 3 of being convenient for dismantle, makes to dismantle more easily, and the slip seal steel ring part that changes down when the oil leak has again reuse, and as long as the slip seal steel ring part is not broken when handling the oil leak at present just changes two O type circles 3 originally and is the change.
Example two
On the basis of the first embodiment, the scheme in the first embodiment is further introduced in detail in combination with the following specific working manner, as shown in fig. 1 to 4, and described in detail below:
as a preferred embodiment, the outer wall of the shaft sleeve 7 is fixedly connected with a mounting plate 10, and a threaded hole is formed above the mounting plate 10; further, bolt mounting is performed by the mounting plate 10.
As a preferred embodiment, a rotary clamping groove 11 is formed at the bottom of the shaft sleeve 7, and the top of the mounting clamping seat 6 is mutually embedded with the notch of the rotary clamping groove 11; further, the top part is mounted by rotating the clamping groove 11.
As a preferred embodiment, a central shaft 901 is fixedly connected to one side of the top of the shaft sleeve 7, a movable cover plate 902 is connected to one side of the shaft sleeve 7 through the central shaft 901, an irrigation hole 903 is formed in one side of the movable cover plate 902, and a conveying groove 904 is formed in the shaft sleeve 7; further, the filling hole 903 is aligned with the delivery slot 904 by rotation of the movable cover plate 902 along the central axis 901.
As a preferred embodiment, the delivery groove 904 is located below the filling hole 903, and the delivery groove 904 is an annular channel; further, a lubricating solution is poured through the pouring hole 903.
As a preferred embodiment, an O-ring 3 is located between the floating seal ring 2 and the end cap 1, and another O-ring 3 is located between the floating seal ring 2 and the roller coupling sleeve 5, and the O-ring 3 is a rubber ring with a diameter of 13.5 mm; further, replacement costs are reduced by replacing the O-ring 3.
As a preferred embodiment, the thickness of the end cover 1 is consistent with that of the roller coupling sleeve 5, and the floating seal ring 2 is positioned between the end cover 1 and the roller coupling sleeve 5; further, the outside protection effect is increased, and the abrasion of the O-shaped ring 3 is reduced.
As a preferred embodiment, a chute is formed in the inner wall of the shaft sleeve 7, and the balls 8 move circumferentially along the chute; further, the bearing installation is carried out through the balls 8, so that the floating oil seal can move.
The working process of the utility model is as follows:
firstly, the oil leakage at the sliding seal position of the planetary reducer of the rocker arm of the coal mining machine can cause abrasion damage to the planetary reducer bearing, and the coal mining machine forms a strong impact force on a roller when the coal mining machine cuts stones or hard gangue due to too much stones or hard gangue, the impact force can not only impact a power transmission part of the rocker arm, but also cause abnormal transverse thrust to the sliding seal arranged at a connecting sleeve of the roller, the thrust can cause the O-shaped ring 3 with fixing and sealing functions to misplace and fall off and lose sealing function so as to leak oil, secondly, the improved device firstly dismantles a floating oil seal device from excavating equipment, after dismantlement, the movable filling assembly 9 rotates the movable covering plate 902, so that the position of the filling hole 903 is aligned with the position of the conveying groove 904, lubricating solution is filled, the O-shaped ring 3 and the frame of the device body are reduced in friction, the O-shaped ring 3 can be conveniently dismounted, the sliding seal part replaced when the original oil leakage is recycled, and the original sliding seal steel ring part is not replaced by only two O-shaped rings 3 when the original oil leakage is processed; finally, through the detachable shaft sleeve 7 that sets up, be convenient for carry out the installation of different modes with floating oil blanket according to the installation condition for the installation mode is more various, and usable range is wider.
Finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (8)
1. Floating oil seal device, including end cover (1), its characterized in that: the novel sealing structure is characterized in that a floating seal ring (2) is connected to the inner clamping of the end cover (1), an O-shaped ring (3) is connected to the outer wall clamping of the floating seal ring (2), a rubber ring (4) is connected to the inner wall of the floating seal ring (2) in a fitting mode, a roller coupling sleeve (5) is connected to the bottom clamping of the floating seal ring (2), an installation clamping seat (6) is fixedly connected to the top of the end cover (1), a shaft sleeve (7) is connected to the top clamping of the installation clamping seat (6), and balls (8) are connected to the inner wall of the shaft sleeve (7) in a rolling mode;
the top side of axle sleeve (7) is provided with and pours into subassembly (9), the inside of pouring into subassembly (9) is including center pin (901), activity shroud (902), filling hole (903) and conveyer trough (904).
2. A floating oil seal arrangement as claimed in claim 1 wherein: the outer wall of the shaft sleeve (7) is fixedly connected with a mounting plate (10), and a threaded hole is formed in the upper portion of the mounting plate (10).
3. A floating oil seal arrangement as claimed in claim 1 wherein: the bottom of the shaft sleeve (7) is provided with a rotary clamping groove (11), and the top of the mounting clamping seat (6) is mutually embedded with the notch of the rotary clamping groove (11).
4. A floating oil seal arrangement as claimed in claim 1 wherein: the automatic feeding device is characterized in that a central shaft (901) is fixedly connected to one side of the top of the shaft sleeve (7), a movable cover plate (902) is connected to one side of the shaft sleeve (7) through the central shaft (901), an irrigation hole (903) is formed in one side of the movable cover plate (902), and a conveying groove (904) is formed in the shaft sleeve (7).
5. A floating oil seal arrangement as claimed in claim 4 wherein: the conveying groove (904) is positioned below the filling hole (903), and the conveying groove (904) is an annular channel.
6. A floating oil seal arrangement as claimed in claim 4 wherein: the O-shaped ring (3) is positioned between the floating seal ring (2) and the end cover (1), the other O-shaped ring (3) is positioned between the floating seal ring (2) and the roller coupling sleeve (5), and the O-shaped ring (3) is a rubber ring with the diameter of 13.5 mm.
7. A floating oil seal arrangement as claimed in claim 1 wherein: the thickness of the end cover (1) is consistent with that of the roller coupling sleeve (5), and the floating seal ring (2) is positioned between the end cover (1) and the roller coupling sleeve (5).
8. A floating oil seal arrangement as claimed in claim 1 wherein: the inner wall of the shaft sleeve (7) is provided with a sliding groove, and the ball (8) moves along the circumference of the sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322287048.2U CN220668374U (en) | 2023-08-24 | 2023-08-24 | Floating oil seal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322287048.2U CN220668374U (en) | 2023-08-24 | 2023-08-24 | Floating oil seal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220668374U true CN220668374U (en) | 2024-03-26 |
Family
ID=90343444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322287048.2U Active CN220668374U (en) | 2023-08-24 | 2023-08-24 | Floating oil seal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220668374U (en) |
-
2023
- 2023-08-24 CN CN202322287048.2U patent/CN220668374U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |