CN104879478A - Sealing device of amphibious track-laying vehicle side speed reducer - Google Patents
Sealing device of amphibious track-laying vehicle side speed reducer Download PDFInfo
- Publication number
- CN104879478A CN104879478A CN201510353572.2A CN201510353572A CN104879478A CN 104879478 A CN104879478 A CN 104879478A CN 201510353572 A CN201510353572 A CN 201510353572A CN 104879478 A CN104879478 A CN 104879478A
- Authority
- CN
- China
- Prior art keywords
- speed reducer
- side speed
- casing
- ring
- oil sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
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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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
Abstract
The invention belongs to the technical field of amphibious track-laying vehicle side speed reducers, and relates to a sealing device of an amphibious track-laying vehicle side speed reducer. The sealing device comprises an oil retainer, a bearing cap, a seal ring, two oil seals, a spacer bush and an output shaft. The sealing device has the sealing effects of preventing solid impurities such as dirt and soil outside a vehicle from entering the interior of a side speed reducer box body to damage internal parts, preventing liquid (water or seawater) in the work environment from entering the interior of the side speed reducer box body to rust and damage the internal parts and preventing gear lubricating oil in the side speed reducer box body from being leaked out of the vehicle. Compared with the prior art, the sealing device of the amphibious track-laying vehicle side speed reducer has the following advantages that dust prevention, water resistance and oil leakage prevention can be effectively achieved, the side speed reducer can be better sealed, and therefore the vehicle can meet the usage requirements of the speed reducer; the maintenance is convenient.
Description
Technical field
The invention belongs to amphibious tracked vehicle side speed reducer technical field, relate to a kind of seal arrangement of amphibious tracked vehicle side speed reducer.
Background technique
The side speed reducer that current China amphibious tracked vehicle uses is the important component part that vehicle power transmits, and it increases the moment of torsion transmitted from gearbox with fixed drive ratio, and the rotating speed of corresponding reduction driving wheel.Side speed reducer is arranged on vehicle front both sides, and because its Power output is to driving wheel, the driven axle output terminal be connected with driving wheel must have seal arrangement, and offside reduction case seals.Because amphibious vehicle has marine driving cycle, seawater has very strong corrosive action, the easy abradable seal face of the rusty stain after corrosion, destroys sealing configuration, and phenomenon of intaking often appears in side speed reducer.Existing seal arrangement cannot meet the usage requirement of vehicle.
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention is: how to solve the problem that current amphibious endless-track vehicle side speed reducer exports sealing.
(2) technological scheme
For solving the problems of the technologies described above, the invention provides a kind of seal arrangement of amphibious tracked vehicle side speed reducer, sealing device comprises: flinger ring 2, bearing cap 3, seal ring 7, first oil sealing 4, second oil sealing 6, spacer 5, output shaft 1;
Described flinger ring 2 is arranged on output shaft 1, and one end is provided with ring body protuberance and ring body depressed part; Bearing cap 3 is arranged on the casing 10 of side speed reducer, and one end is provided with cover panel and body recess portion; After flinger ring 2 and bearing cap 3 are installed separately, ring body protuberance, ring body depressed part and cover panel and body recess portion cooperatively interact, and binding site place is formed for preventing oarse-grained object impurity from entering the labyrinth seal of casing 10 inside;
Described seal ring 7 is arranged on bearing cap 3 towards on the inner surface one end in casing 10, and described seal ring 7 end is provided with three lips, and described three lips coordinate with the cylndrical surface of output shaft 1 and form three seals;
Described first oil sealing 4 and the second oil sealing 6, is installed in bearing cap 3 towards on the inner surface the other end in casing 10; Wherein, the first oil sealing 4 is arranged near seal ring 7 one end, and lip outwardly; Second oil sealing 6 is installed near casing 10 inner, and lip is inside casing 10; Separated by spacer 5 between first oil sealing 4 and the second oil sealing 6.
Wherein, three lips of described seal ring 7, wherein two lips are towards outside casing 10, and a lip, towards in casing 10, forms three seals with the cylndrical surface of output shaft 1; Seal ring 7 material adopts polyurethane material.
(3) beneficial effect
The invention provides a kind of seal arrangement of amphibious tracked vehicle side speed reducer, it comprises: flinger ring, bearing cap, seal ring, 2 oil sealings, spacer, output shafts.Its seal action has: prevent the outer solid impurity such as dust, the earth approaching side reduction case of car inner, damage inner body; Liquid (water or seawater) the approaching side reduction case body of the working environment prevented is inner, corrosion, damage inner body; Prevent the gear lubricant in side speed reducer casing from leaking into outside car.
Compared with prior art, the present invention possesses following beneficial effect:
Seal arrangement of the present invention can dust-proof, waterproof, oil-leakage-prevention effectively, well can seal, make vehicle can meet its usage requirement to side speed reducer; And maintenance is convenient.
Accompanying drawing explanation
Fig. 1 is sealing device structure figure of the present invention.
Fig. 2 is ring structure figure of the present invention.
Embodiment
For making object of the present invention, content and advantage clearly, below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.
For solving the problem of prior art, the invention provides a kind of seal arrangement of amphibious tracked vehicle side speed reducer, as shown in Figures 1 and 2, sealing device comprises: flinger ring 2, bearing cap 3, seal ring 7, first oil sealing 4, second oil sealing 6, spacer 5, output shaft 1;
Described flinger ring 2 is arranged on output shaft 1 by bolt, and one end is provided with ring body protuberance and ring body depressed part; Bearing cap 3 is arranged on the casing 10 of side speed reducer by bolt, and one end is provided with cover panel and body recess portion; After flinger ring 2 and bearing cap 3 are installed separately, ring body protuberance, ring body depressed part and cover panel and body recess portion cooperatively interact, and binding site place is formed for preventing oarse-grained object impurity from entering the labyrinth seal of casing 10 inside; As shown in Figure 1, essence is engagement type sealing configuration in this labyrinth seal;
Described seal ring 7 is arranged on bearing cap 3 towards on the inner surface one end in casing 10, and described seal ring 7 end is provided with three lips, and described three lips coordinate with the cylndrical surface of output shaft 1 and form three seals, and its effect prevents dust from entering box house;
Described first oil sealing 4 and the second oil sealing 6, is installed in bearing cap 3 towards on the inner surface the other end in casing 10; Wherein, the first oil sealing 4 is arranged near seal ring 7 one end, and lip outwardly; Second oil sealing 6 is installed near casing 10 inner, and lip is inside casing 10; Separated by spacer 5 between first oil sealing 4 and the second oil sealing 6.
Wherein, three lips of described seal ring 7, wherein two lips are towards outside casing 10, and a lip, towards in casing 10, forms three seals with the cylndrical surface of output shaft 1; Seal ring 7 material adopts polyurethane material.
The present invention is described in detail below in conjunction with specific embodiment.
Embodiment
As shown in Figure 1, the sealing configuration of the present embodiment comprises: flinger ring 2, bearing cap 3, seal ring 7, first oil sealing 4, second oil sealing 6, spacer 5, output shaft 1.
Flinger ring 2 is arranged on output shaft by bolt, and bearing cap 3 is arranged on casing 10 by bolt, and the structure of flinger ring 2 and bearing cap 3 complements each other to form labyrinth seal, and this structure can effectively prevent oarse-grained object impurity from entering box house.
Seal ring 7 is arranged on inside bearing cap 3, and the lip of seal ring 7 coordinates with the cylndrical surface of output shaft 1 and forms three seals, and its effect prevents dust from entering box house.
The present invention has twice oil sealing 4,6, is all arranged on inside bearing cap 3, and outwardly, to oil sealing 4 lip near seal ring 7 one end its effect prevent the water in working environment or other liquid from entering casing 10 inside; Lip is prevent the gear lubricant of casing 10 inside from leaking out casing towards the oil sealing 6 of casing 10 inside.
Separate with spacer 5 between two oil sealings 4,6, between form annular shoe cream room, be full of lubricating grease in annular shoe cream room 9, lubricating grease ensure that oil sealing 4,6 lip has sufficient lubrication at work, oil sealing 4,6 lip be not easy damage.The end face of output shaft 1 is designed with the hydraulic fluid port 8 filling lubricating grease to annular shoe cream room 9, hydraulic fluid port 8 is communicated with annular shoe cream room 9 by the oil duct of output shaft 1 inside, when maintaining, need the lubricating grease of annular shoe cream room 9 be changed and be supplemented, the bolt of two hydraulic fluid ports 8 on the end face turning on output shaft, fills lubricating grease toward one of them hydraulic fluid port 8, until another hydraulic fluid port 8 has the new lubricating grease supplemented to flow out, illustrate that lubricating grease is changed and the work of supplementing completes, maintain very convenient.
Shown in Fig. 2, seal ring 7 of the present invention is designed with 3 lips, and wherein two lips outwardly, inwardly, form 3 roads with the cylndrical surface of output shaft 1 and seal, the dirt exclusion capabilities of seal ring 7 is relevant with the tightness degree of surface of contact for a lip, contact tighter dirt exclusion capabilities better, but surface friction drag is larger.Therefore the Spielpassung taking 0.05mm ~ 0.1mm of seal ring 7 lip of the present invention and output shaft sealing surface, and the smoothness requirements of the cylndrical surface of output shaft is relatively high, the maximum value of smoothness requirements Ra is 0.8 μm.Seal ring 7 material of the present invention adopts polyurethane material, and polyurethane material has superior wear-resisting property, and its wear-resisting property is 3 ~ 10 times of natural rubber; Polyurethane material also has the mechanical property of excellent mechanical property, its tensile breaking strength, elongation at break, tearing toughness to be all greatly better than General Purpose Rubber; Simultaneously the resistance to grease performance of polyurethane material, resistance to low temperature, ageing-resistant performance are all better than rubber.Prove that seal ring 7 dust-proof effect of the present invention is fine through test of many times.
To sum up, the invention provides a kind of seal arrangement of amphibious armor vehicle side speed reducer.Sealing device can dust-proof, waterproof, oil-leakage-prevention effectively, can carry out the sealing of multi-azimuth tridimensional formula, make vehicle can meet its usage requirement, particularly the seal request of marine operating mode, and maintenance is convenient to side speed reducer.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and distortion, these improve and distortion also should be considered as protection scope of the present invention.
Claims (2)
1. the seal arrangement of an amphibious tracked vehicle side speed reducer, it is characterized in that, sealing device comprises: flinger ring (2), bearing cap (3), seal ring (7), the first oil sealing (4), the second oil sealing (6), spacer (5), output shaft (1);
Described flinger ring (2) is arranged on output shaft (1), and one end is provided with ring body protuberance and ring body depressed part; Bearing cap (3) is arranged on the casing (10) of side speed reducer, and one end is provided with cover panel and body recess portion; After flinger ring (2) and bearing cap (3) are installed separately, ring body protuberance, ring body depressed part and cover panel and body recess portion cooperatively interact, and binding site place is formed and is used for preventing oarse-grained object impurity from entering the inner labyrinth seal of casing (10);
Described seal ring (7) is arranged on bearing cap (3) towards on the inner surface one end in casing (10), described seal ring (7) end is provided with three lips, and described three lips coordinate with the cylndrical surface of output shaft (1) and form three seals;
Described first oil sealing (4) and the second oil sealing (6), be installed in bearing cap (3) towards on the inner surface the other end in casing (10); Wherein, the first oil sealing (4) is arranged near seal ring (7) one end, and lip outwardly; Second oil sealing (6) is installed near casing (10) inner, and lip is towards casing (10) inner side; Separated by spacer (5) between first oil sealing (4) and the second oil sealing (6).
2. the seal arrangement of amphibious tracked vehicle side speed reducer as claimed in claim 1, it is characterized in that, three lips of described seal ring (7), wherein two lips towards casing (10) outward, a lip, towards in casing (10), forms three seals with the cylndrical surface of output shaft (1); Seal ring (7) material adopts polyurethane material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510353572.2A CN104879478B (en) | 2015-06-24 | 2015-06-24 | Sealing device of amphibious track-laying vehicle side speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510353572.2A CN104879478B (en) | 2015-06-24 | 2015-06-24 | Sealing device of amphibious track-laying vehicle side speed reducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104879478A true CN104879478A (en) | 2015-09-02 |
| CN104879478B CN104879478B (en) | 2017-05-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510353572.2A Active CN104879478B (en) | 2015-06-24 | 2015-06-24 | Sealing device of amphibious track-laying vehicle side speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104879478B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555633A (en) * | 2019-01-29 | 2019-04-02 | 广州宝力特密封技术有限公司 | Disc and hydraulic turbine water pilot bearing |
| CN114412981A (en) * | 2021-12-14 | 2022-04-29 | 岚图汽车科技有限公司 | Non-maintaining formula passenger car electricity drives semi-axis structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003329108A (en) * | 2002-05-15 | 2003-11-19 | Aichi Mach Ind Co Ltd | Mounting structure of baffle plate |
| CN201723661U (en) * | 2010-07-13 | 2011-01-26 | 浙江宁野农业装备有限公司 | Speed change mechanism used for two-drive tractor |
| CN202326912U (en) * | 2011-11-04 | 2012-07-11 | 上海剑豪传动机械有限公司 | Gear case for special railway vehicle |
| CN104511491A (en) * | 2013-09-30 | 2015-04-15 | 西北机器有限公司 | Wire-drawing machine traction wheel water-cooling structure |
| CN204921932U (en) * | 2015-06-24 | 2015-12-30 | 北京北方车辆集团有限公司 | Sealing device of amphibious crawler side reduction gear |
-
2015
- 2015-06-24 CN CN201510353572.2A patent/CN104879478B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003329108A (en) * | 2002-05-15 | 2003-11-19 | Aichi Mach Ind Co Ltd | Mounting structure of baffle plate |
| CN201723661U (en) * | 2010-07-13 | 2011-01-26 | 浙江宁野农业装备有限公司 | Speed change mechanism used for two-drive tractor |
| CN202326912U (en) * | 2011-11-04 | 2012-07-11 | 上海剑豪传动机械有限公司 | Gear case for special railway vehicle |
| CN104511491A (en) * | 2013-09-30 | 2015-04-15 | 西北机器有限公司 | Wire-drawing machine traction wheel water-cooling structure |
| CN204921932U (en) * | 2015-06-24 | 2015-12-30 | 北京北方车辆集团有限公司 | Sealing device of amphibious crawler side reduction gear |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555633A (en) * | 2019-01-29 | 2019-04-02 | 广州宝力特密封技术有限公司 | Disc and hydraulic turbine water pilot bearing |
| CN114412981A (en) * | 2021-12-14 | 2022-04-29 | 岚图汽车科技有限公司 | Non-maintaining formula passenger car electricity drives semi-axis structure |
| CN114412981B (en) * | 2021-12-14 | 2023-10-20 | 岚图汽车科技有限公司 | Maintenance-free electric drive half shaft structure of passenger car |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104879478B (en) | 2017-05-10 |
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