CN105673733A - Oil seal lubricating structure of hydrodynamic retarder - Google Patents
Oil seal lubricating structure of hydrodynamic retarder Download PDFInfo
- Publication number
- CN105673733A CN105673733A CN201610113872.8A CN201610113872A CN105673733A CN 105673733 A CN105673733 A CN 105673733A CN 201610113872 A CN201610113872 A CN 201610113872A CN 105673733 A CN105673733 A CN 105673733A
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- CN
- China
- Prior art keywords
- oil
- oil chamber
- transmission shaft
- working oil
- impeller
- 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.)
- Pending
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D57/00—Liquid-resistance brakes; Brakes using the internal friction of fluids or fluid-like media, e.g. powders
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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
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
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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
- F16N—LUBRICATING
- F16N1/00—Constructional modifications of parts of machines or apparatus for the purpose of lubrication
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses an oil seal lubricating structure of a hydrodynamic retarder. The oil seal lubricating structure comprises a hydrodynamic retarder body, wherein the hydrodynamic retarder body comprises a transmission shaft, an oil storage cavity and a work oil cavity; the oil storage cavity communicates with the work oil cavity through a runner, a stator impeller and a rotor impeller are arranged in the work oil cavity, and the stator impeller and the rotor impeller are arranged in an opposite closing manner; a region between the stator impeller and the rotor impeller is a first work oil cavity, the part, positioned outside the first work oil cavity, of the work oil cavity is a second work oil cavity, and a through hole communicating the first work oil cavity and the second work oil cavity is formed in the stator impeller; and an axial blind hole and a radial through hole are formed in the transmission shaft, the axial blind hole communicates with the second work oil cavity through a runner, one end of the radial through hole communicates with the axial blind hole, and the other end of the radial through hole is positioned between an oil seal structure and an expansion ring seal structure. The oil seal lubricating structure can lubricate an oil seal between the transmission shaft and an end cover.
Description
Technical field
The present invention relates to the oil sealing lubrication system of a kind of Retarder.
Background technology
Retarder is a kind of auxiliary brake device for automobile, it is mainly used in motorbus, urban public traffic vehicles, heavy truck and military vehicle, Retarder includes heat exchanger, impeller of rotor, stator impeller, power transmission shaft, housing and end cap, housing has shoe cream room, end cap covers formation working oil chamber on housing, impeller of rotor and stator impeller are respectively positioned in working oil chamber and involutory setting, impeller of rotor, stator impeller and end cap are all nested with on power transmission shaft, impeller of rotor and power transmission shaft synchronous axial system, and the power shaft synchronous axial system of power transmission shaft and automobile gearbox, thus can by vehicle be slowed down by impeller of rotor applying damping force, concrete, automobile is in motion, impeller of rotor rotates, when Retarder starts, compression air enters shoe cream room, fluid in shoe cream room is pressed into working oil chamber, make to have between stator impeller and impeller of rotor fluid, impeller of rotor drives fluid to rotate about the axis, simultaneously, fluid moves along rotor blade direction, get rid of to stator impeller, fluid is produced counteracting force by the stator vane on stator impeller, fluid outflow stator impeller goes back to impact rotor impeller again, thus form the moment of resistance to impeller of rotor, thus realizing the decelerating effect to vehicle.
In current Retarder, need to arrange oil sealing between power transmission shaft and end cap, reveal from the gap between power transmission shaft and end cap with the fluid avoided when Retarder works in working oil chamber, and need during the work of oil sealing to be lubricated, and how to the fluid of above-mentioned oil sealing conveying lubrication be badly in need of at present solving the technical problem that.
Summary of the invention
The technical problem to be solved is to provide the oil sealing lubrication system of a kind of Retarder, and the oil sealing between power transmission shaft and end cap can be lubricated by it.
For solving above-mentioned technical problem, the oil sealing lubrication system of Retarder provided by the invention, it includes Retarder body, Retarder body includes a housing, one end cap and a power transmission shaft, a shoe cream room it is provided with in housing, the one side of housing is provided with a mounting seat, end cap covers in mounting seat, end cap and mounting seat enclose formation working oil chamber, shoe cream room is connected by runner with working oil chamber, a stator impeller and an impeller of rotor it is provided with in working oil chamber, stator impeller and the involutory setting of impeller of rotor, region between stator impeller and impeller of rotor is the first working oil chamber, the part being positioned at outside the first working oil chamber of working oil chamber is the second working oil chamber, stator impeller is provided with the through hole of connection the first working oil chamber and the second working oil chamber,
End cap is nested with on power transmission shaft, is provided with oil enveloping structure and hermetically-sealed construction of the piston ring, oil enveloping structure and hermetically-sealed construction of the piston ring along transmission shafts to being disposed adjacent between power transmission shaft and end cap, and hermetically-sealed construction of the piston ring is positioned at the side towards working oil chamber of end cap;
Being provided with an axial blind hole and a radial direction through hole, axial blind hole and the second working oil chamber on power transmission shaft to be connected by runner, one end of radial direction through hole is connected with axial blind hole, and the other end of radial direction through hole is between oil enveloping structure and hermetically-sealed construction of the piston ring.
As preferably, described Retarder body also includes one and crosses oil draining bolt and a connection piece, rotating be arranged on Retarder this is internal by a bearing for connector, cross oil draining bolt and there is an axially extending bore, the threaded shank crossing oil draining bolt through connector and screws in axial blind hole, cross the threaded shank of oil draining bolt not block radial direction through hole, axially extending bore and the second working oil chamber and be connected by runner.
As preferably, described oil enveloping structure includes two oil sealings, and two oil sealings are all nested with on power transmission shaft and along transmission shafts to being disposed adjacent.
As preferably, described hermetically-sealed construction of the piston ring includes a packing flange and a pushing out ring, prop up pushing out ring and include the Part I of a ring-type and the Part II of a ring-type, Part II is positioned at Part I, one end of Part I is connected by an annular connecting portion with one end of Part II, the other end of Part I is connected with adjacent oil sealing, and packing flange is positioned at Part II, and the internal perisporium of the periphery wall of packing flange and Part II offsets.
After adopting above structure, the present invention compared with prior art, has the advantage that
In the present invention, when Retarder works, fluid in shoe cream room enters into working oil chamber, fluid is full of working oil chamber, and now owing to impeller of rotor is in high-speed rotation, fluid in first working oil chamber is applied pressure by impeller of rotor, make the oil liquid pressure in the first working oil chamber more than the oil liquid pressure in the second working oil chamber, so, a small amount of fluid in first working oil chamber is pressed in the second working oil chamber by the through hole on stator impeller, and then a small amount of fluid that second in working oil chamber is pressed in the axial blind hole of power transmission shaft by runner, the fluid flowed in axial blind hole is pressed between oil enveloping structure and hermetically-sealed construction of the piston ring again through the radial direction through hole on power transmission shaft, oil enveloping structure just can be lubricated by such fluid, ensure the normal operation of Retarder.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the enlarged drawing of A in Fig. 1;
Fig. 3 is the assembled view of power transmission shaft, oil enveloping structure, hermetically-sealed construction of the piston ring;
Fig. 4 is the assembled view of hermetically-sealed construction of the piston ring;
Fig. 5 is the sectional view of Fig. 4;
Fig. 6 is the structural representation of oil sealing;
Fig. 7 is the sectional view of oil sealing;
Fig. 8 was the sectional view of oil draining bolt.
Wherein, 1, housing; 2, end cap; 3, power transmission shaft; 301, axial blind hole; 302, radial direction through hole; 4, mounting seat; 5, stator impeller; 6, impeller of rotor; 7, the first working oil chamber; 8, the second working oil chamber; 9, oil sealing; 10, packing flange; 11, oil draining bolt is crossed; 1101, axially extending bore, 12, pushing out ring; 13, connector.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in more detail.
Shown in Fig. 1 ~ Fig. 8, the oil sealing lubrication system of Retarder of the present invention includes Retarder body, Retarder body includes a housing 1, one end cap 2 and a power transmission shaft 3, a shoe cream room it is provided with in housing 1, the one side of housing 1 is provided with a mounting seat 4, end cap 2 covers in mounting seat 4, end cap 2 and mounting seat 4 enclose formation working oil chamber, shoe cream room is connected by runner with working oil chamber, stator impeller 5 and an impeller of rotor 6 it is provided with in working oil chamber, stator impeller 5 and the involutory setting of impeller of rotor 6, region between stator impeller 5 and impeller of rotor 6 is the first working oil chamber 7, the part being positioned at outside the first working oil chamber 7 of working oil chamber is the second working oil chamber 8, stator impeller 5 is provided with the through hole of connection the first working oil chamber 7 and the second working oil chamber 8, when Retarder starts, fluid in shoe cream room enters into the second working oil chamber 8, fluid is first full of the second working oil chamber 8, then fluid enters into the first working oil chamber 7 by the through hole on stator impeller, fluid refills the first working oil chamber 7, and when Retarder works, impeller of rotor 6 high-speed rotation, the rotation of impeller of rotor 6 is applied resistance by the fluid in the first working oil chamber 7, analyzed from counteracting force, now the fluid in the first working oil chamber 7 is also applied with pressure by impeller of rotor 6, make the oil liquid pressure in the first working oil chamber 7 more than the oil liquid pressure in the second working oil chamber 8, so, fluid will flow to low pressure place from high pressure.
End cap 2 is nested with on power transmission shaft 3, oil enveloping structure and hermetically-sealed construction of the piston ring it is provided with between power transmission shaft 3 and end cap 2, oil enveloping structure and hermetically-sealed construction of the piston ring are along the axially adjacent setting of power transmission shaft 3, hermetically-sealed construction of the piston ring is positioned at the side towards working oil chamber of end cap 2, oil enveloping structure is for sealing the gap between power transmission shaft 3 and end cap 2, and hermetically-sealed construction of the piston ring is for sealing the gap between power transmission shaft 3 and end cap 2 when Retarder works.
Power transmission shaft 3 is provided with axial blind hole 301 and a radial direction through hole 302, axial blind hole 301 is connected by runner with the second working oil chamber 8, one end of radial direction through hole 302 is connected with axial blind hole 301, the other end of radial direction through hole 302 is between oil enveloping structure and hermetically-sealed construction of the piston ring, when Retarder works, a small amount of fluid is flowed into the second working oil chamber 8 from the first working oil chamber 7, then it is flowed in axial blind hole 301 again through runner, then it is flowed between oil enveloping structure and hermetically-sealed construction of the piston ring again through radial direction through hole 302, oil enveloping structure can be lubricated by such fluid just stream to oil enveloping structure place.
Described Retarder body also includes one and crosses oil draining bolt 11 and a connection piece 13, connector 13 has annular periphery wall, connector 13 is provided with a centre bore, connector 13 is arranged on Retarder by a bearing is rotating this is internal, cross oil draining bolt 11 and there is an axially extending bore 1101, cross the centre bore of the threaded shank traverse connector of oil draining bolt 11 and screw in axial blind hole 301, so, cross oil draining bolt 11 power transmission shaft 3 and connector 13 to be connected to a fixed, make power transmission shaft 3 and connector 13 synchronous axial system, the threaded shank crossing oil draining bolt 11 does not block radial direction through hole 302, axially extending bore 1101 is connected by runner with the second working oil chamber 8, so cross oil draining bolt 11 and both can play the effect being connected with connector 13 by power transmission shaft 3, simultaneously, the axially extending bore 1101 crossed on oil draining bolt 11 can also play the effect making fluid be flowed in axial blind hole 301.
Described oil enveloping structure includes two oil sealings 9, two oil sealings 9 are all nested with on power transmission shaft 3 and along the axially adjacent setting of power transmission shaft 3, the structure of oil sealing 9 such as Fig. 6, shown in Fig. 7, oil sealing 9 includes the mounting portion 901 of an annular and the sealing lip 902 of an annular, mounting portion 901 is connected by the coupling part 903 of an annular with sealing lip 902, sealing lip 902 is provided with a garter spring 904, when installing oil sealing 9, oil sealing 9 is arranged between power transmission shaft 3 and end cap 2, oil sealing 9 is nested with on power transmission shaft 3, sealing lip 902 contacts with power transmission shaft 3, simultaneously, mounting portion 901 contacts with end cap 2, oil sealing 9 can make to seal between power transmission shaft 3 and end cap 2, and the oil enveloping structure of the present invention arranges two oil sealings 9, can so that sealing effectiveness be better.
Such as Fig. 4, shown in Fig. 5, described hermetically-sealed construction of the piston ring includes a packing flange 10 and a pushing out ring 12, prop up pushing out ring 12 and include the Part I 1201 of a ring-type and the Part II 1202 of a ring-type, Part II 1202 is positioned at Part I 1201, one end of Part I 1201 is connected by an annular connecting portion 1203 with one end of Part II 1202, the other end of Part I 1201 is connected with adjacent oil sealing 9, Part I 1201 can be carried out radially spacing by this oil sealing 9, packing flange 10 is positioned at Part II 1202, and the internal perisporium of the periphery wall of packing flange 10 and Part II 1202 offsets, when installing packing flange 10, packing flange 10 is nested with on power transmission shaft 3, packing flange 10 can contact with the fluid in working oil chamber, when the oil liquid temperature that Retarder is operated so that in working oil chamber is higher, heat is conducted to packing flange 10 by fluid, packing flange 10 spreading, make to be in close contact between the outer peripheral face of packing flange 10 and Part II 1202, the inner peripheral surface of packing flange 10 and power transmission shaft 3 are in close contact, gap between Part II 1202 and power transmission shaft 3 has just been sealed by such packing flange 10, the setting propping up pushing out ring 12 can so that packing flange 10 be installed more convenient.
Applying preferably example as far as the present invention above and be made that explanation, but be not to be construed as limitations on claims, the structure of the present invention can have other to change, and is not limited to said structure. In a word, all various changes made in the protection domain of the independent claims of the present invention are all in protection scope of the present invention.
Claims (4)
1. the oil sealing lubrication system of a Retarder, it is characterized in that, it includes Retarder body, Retarder body includes a housing (1), one end cap (2) and a power transmission shaft (3), housing is provided with a shoe cream room in (1), the one side of housing (1) is provided with a mounting seat (4), end cap (2) covers in mounting seat (4), end cap (2) and mounting seat (4) enclose formation working oil chamber, shoe cream room is connected by runner with working oil chamber, a stator impeller (5) and an impeller of rotor (6) it is provided with in working oil chamber, stator impeller (5) and impeller of rotor (6) involutory setting, region between stator impeller (5) and impeller of rotor (6) is the first working oil chamber (7), the first working oil chamber (7) part outward that is positioned at of working oil chamber is the second working oil chamber (8), stator impeller (5) is provided with the through hole of connection the first working oil chamber (7) and the second working oil chamber (8),
End cap (2) is nested with on power transmission shaft (3), it is provided with oil enveloping structure and hermetically-sealed construction of the piston ring between power transmission shaft (3) and end cap (2), oil enveloping structure and hermetically-sealed construction of the piston ring are along power transmission shaft (3) axially adjacent setting, and hermetically-sealed construction of the piston ring is positioned at the side towards working oil chamber of end cap (2);
Power transmission shaft (3) is provided with an axial blind hole (301) and a radial direction through hole (302), axial blind hole (301) is connected by runner with the second working oil chamber (8), one end of radial direction through hole (302) is connected with axial blind hole (301), and the other end of radial direction through hole (302) is between oil enveloping structure and hermetically-sealed construction of the piston ring.
2. the oil sealing lubrication system of Retarder according to claim 1, it is characterized in that: described Retarder body also includes one and crosses oil draining bolt (11) and a connection piece (13), rotating be arranged on Retarder this is internal by a bearing for connector (13), cross oil draining bolt (11) and there is an axially extending bore (1101), the threaded shank crossing oil draining bolt (11) through connector and screws in axial blind hole (301), the threaded shank crossing oil draining bolt (11) does not block radial direction through hole (302), axially extending bore (1101) is connected by runner with the second working oil chamber (8).
3. the oil sealing lubrication system of Retarder according to claim 1, it is characterised in that: described oil enveloping structure includes two oil sealings (9), and two oil sealings (9) are all nested with upper at power transmission shaft (3) and along power transmission shaft (3) axially adjacent setting.
4. the oil sealing lubrication system of Retarder according to claim 3, it is characterized in that: described hermetically-sealed construction of the piston ring includes a packing flange (10) and a pushing out ring (12), prop up pushing out ring (12) and include the Part I (1201) of a ring-type and the Part II (1202) of a ring-type, Part II (1202) is positioned at Part I (1201), one end of Part I (1201) is connected by annular connecting portion (1203) with one end of Part II (1202), the other end of Part I (1201) is connected with adjacent oil sealing (9), packing flange (10) is positioned at Part II (1202), and the internal perisporium of the periphery wall of packing flange (10) and Part II (1202) offsets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610113872.8A CN105673733A (en) | 2016-03-01 | 2016-03-01 | Oil seal lubricating structure of hydrodynamic retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610113872.8A CN105673733A (en) | 2016-03-01 | 2016-03-01 | Oil seal lubricating structure of hydrodynamic retarder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105673733A true CN105673733A (en) | 2016-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610113872.8A Pending CN105673733A (en) | 2016-03-01 | 2016-03-01 | Oil seal lubricating structure of hydrodynamic retarder |
Country Status (1)
| Country | Link |
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| CN (1) | CN105673733A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909696A (en) * | 2016-06-22 | 2016-08-31 | 陕西法士特齿轮有限责任公司 | Spline shaft, retarder oil channel structure based on spline shaft and lubricating method |
| CN108775502A (en) * | 2018-06-20 | 2018-11-09 | 陕西法士特齿轮有限责任公司 | A kind of Retarder idle running self lubricating system and method |
| CN109578467A (en) * | 2018-12-06 | 2019-04-05 | 陕西法士特汽车传动集团有限责任公司 | A kind of Retarder |
| CN115163698A (en) * | 2022-06-02 | 2022-10-11 | 阜新德尔汽车部件股份有限公司 | Shafting lubricating structure of parallel hydraulic retarder |
| WO2023185010A1 (en) * | 2022-03-31 | 2023-10-05 | 贵阳丽天苍泰科技有限公司 | Hydraulic retarder |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102947146A (en) * | 2010-03-03 | 2013-02-27 | 沃依特专利有限责任公司 | Hydrodynamic retarder and method for operating a hydrodynamic retarder |
| CN104080666A (en) * | 2012-02-03 | 2014-10-01 | 沃依特专利有限责任公司 | Hydrodynamic retarder |
| CN204153016U (en) * | 2013-05-15 | 2015-02-11 | 沃依特专利有限责任公司 | Rotor unit |
| WO2015126314A1 (en) * | 2014-02-19 | 2015-08-27 | Scania Cv Ab | Hydrodynamic retarder device, method for its use and vehicle |
| CN205388111U (en) * | 2016-03-01 | 2016-07-20 | 宁波华盛联合制动科技有限公司 | Oil blanket lubricating structure of hydraulic retarber |
-
2016
- 2016-03-01 CN CN201610113872.8A patent/CN105673733A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102947146A (en) * | 2010-03-03 | 2013-02-27 | 沃依特专利有限责任公司 | Hydrodynamic retarder and method for operating a hydrodynamic retarder |
| CN104080666A (en) * | 2012-02-03 | 2014-10-01 | 沃依特专利有限责任公司 | Hydrodynamic retarder |
| CN204153016U (en) * | 2013-05-15 | 2015-02-11 | 沃依特专利有限责任公司 | Rotor unit |
| WO2015126314A1 (en) * | 2014-02-19 | 2015-08-27 | Scania Cv Ab | Hydrodynamic retarder device, method for its use and vehicle |
| CN205388111U (en) * | 2016-03-01 | 2016-07-20 | 宁波华盛联合制动科技有限公司 | Oil blanket lubricating structure of hydraulic retarber |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909696A (en) * | 2016-06-22 | 2016-08-31 | 陕西法士特齿轮有限责任公司 | Spline shaft, retarder oil channel structure based on spline shaft and lubricating method |
| CN108775502A (en) * | 2018-06-20 | 2018-11-09 | 陕西法士特齿轮有限责任公司 | A kind of Retarder idle running self lubricating system and method |
| CN108775502B (en) * | 2018-06-20 | 2023-08-08 | 陕西法士特齿轮有限责任公司 | Idle self-lubricating system and method for hydraulic retarder |
| CN109578467A (en) * | 2018-12-06 | 2019-04-05 | 陕西法士特汽车传动集团有限责任公司 | A kind of Retarder |
| CN109578467B (en) * | 2018-12-06 | 2024-03-15 | 陕西法士特汽车传动集团有限责任公司 | Hydraulic retarder |
| WO2023185010A1 (en) * | 2022-03-31 | 2023-10-05 | 贵阳丽天苍泰科技有限公司 | Hydraulic retarder |
| CN115163698A (en) * | 2022-06-02 | 2022-10-11 | 阜新德尔汽车部件股份有限公司 | Shafting lubricating structure of parallel hydraulic retarder |
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Application publication date: 20160615 |
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