CN200989428Y - Hydraulic moment variator for engineering machinery - Google Patents
Hydraulic moment variator for engineering machinery Download PDFInfo
- Publication number
- CN200989428Y CN200989428Y CN 200620136325 CN200620136325U CN200989428Y CN 200989428 Y CN200989428 Y CN 200989428Y CN 200620136325 CN200620136325 CN 200620136325 CN 200620136325 U CN200620136325 U CN 200620136325U CN 200989428 Y CN200989428 Y CN 200989428Y
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- turbine
- pump impeller
- ring
- welded
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Abstract
The utility model relates to a sheet-metal-welded hydraulic torque converter used for the engineering machineries and consists of a cover wheel, a turbine, a pump impeller and a sliding idler pulley, wherein one side at an inner hole of the cover wheel hub is provided with a spline connected with an input shaft of an oil pump and the other side is provided with a seal device. The seal device can uses the seal ring or a welding seal, ensures the oil inside the torque converter not to leak out of the cover wheel hum and has the advantages of a good seal feature, a convenient maintenance, a high reliability and a long service life. A blade, an inner ring and an outer ring are integrated through a sheet-metal punching technique and welded together. The utility model has the advantages of a high accuracy of a cascade system and a big rigidity and intensity, solves the technical problem that the impeller of the prior hydraulic torque converter is formed through the foundry technique with a bad reliability and a instable end product quality.
Description
Technical field
The utility model relates to a kind of fluid torque converter, relates in particular to a kind of panel beating solder type fluid torque converter.
Background technique
Existing engineering machinery adopts the technological method of casting to be shaped with the impeller of fluid torque converter mostly, and impeller often is subjected to the influence of casting technique, poor reliability, end product quality instability.
Summary of the invention
The purpose of this utility model is to propose a kind of engineering machinery fluid torque converter, and the impeller of its torque-converters adopts the metal plate punching technological method to be shaped, and combines through welding, has solved cast moulding impeller poor reliability, the unsettled technical problem of end product quality.
Technical solution of the present utility model is:
A kind of engineering machinery fluid torque converter, comprise cover wheel 3, turbine 5, pump impeller 6, guide wheel 7, described pump impeller 6 comprises 16 and pump impeller outer shrouds 18 of ring in a plurality of pump impeller blade 19, the pump impeller, described turbine 5 comprises 22 and turbine outer shrouds 23 of ring in a plurality of turbine blade 24, the turbine, described cover wheel 3 comprises cover hub 35 and cover wheel hub 1, its special way is, described cover wheelboss inner hole 30 1 ends are provided with the spline 32 that can connect with oil pump input shaft 9, and its other end is provided with seal arrangement.
Above-mentioned seal arrangement comprises seal ring 11, be arranged on annular groove 31 on the cover wheelboss inner hole 30, be arranged on location collar 10 in the annular groove 31, be arranged on the back-up ring 12 between location collar 10 and the oil pump input shaft 9; Described back-up ring 12 external peripheral surfaces are provided with back-up ring groove 33, and described seal ring 11 is arranged between cover wheelboss inner hole 30 surfaces and the back-up ring groove 33.
Above-mentioned seal arrangement also can comprise and is arranged on cover wheelboss inner hole 30 and a circular jam 14 parallel with the exterior edge face of oil pump input shaft 9, the internal diameter of the external diameter of this circle jam 14 and cover wheelboss inner hole 30 is corresponding, is welded to connect between described circular jam 14 and the cover wheelboss inner hole 30 and forms jam weld seam 13.
The blade annexation of above-mentioned pump impeller and the annexation of turbine blade are: be provided with pump impeller intra vane flanging 15 and pump impeller outer leafs flanging 20 on each above-mentioned pump impeller blade 19; All pump impeller intra vane flangings 15 respectively with pump impeller in ring 16 be welded to connect, all pump impeller outer leafs flangings 20 are welded to connect with pump impeller outer shroud 18 respectively; Be provided with turbine intra vane flanging 21 and turbine outer leafs flanging 25 on described each turbine blade 24; All turbine intra vane flangings 21 respectively with turbine in ring 22 be welded to connect, all turbine outer leafs flangings 25 are welded to connect with turbine outer shroud 23 respectively.
The blade annexation of above-mentioned pump impeller and the annexation of turbine blade can also be: be provided with at least one pump impeller intra vane auricle 26 and a plurality of pump impeller outer leafs auricle 27 on above-mentioned each pump impeller blade 19, ring 16 is provided with the pump impeller inner ear film trap 36 of respective numbers in the described pump impeller, described pump impeller outer shroud 18 is provided with the pump impeller external ear film trap 37 of respective numbers, described each pump impeller intra vane auricle 26 insert in the corresponding pump impeller inner ear film trap 36 and with pump impeller in ring 16 be welded to connect, described each pump impeller outer leafs auricle 27 inserts in the corresponding pump impeller external ear film trap 37 and with pump impeller outer shroud 18 and is welded to connect; Be provided with at least one turbine intra vane auricle 28 and a plurality of turbine outer leafs auricle 29 on described each turbine blade 24, ring 22 is provided with the turbine inner ear film trap 38 of respective numbers in the described turbine, described turbine outer shroud 23 is provided with the turbine external ear film trap 39 of respective numbers, described each turbine intra vane auricle 28 insert in the corresponding turbine inner ear film trap 38 and with turbine in ring 22 be welded to connect, described each turbine outer leafs auricle 29 inserts in the corresponding turbine external ear film trap 39 and with turbine outer shroud 23 and is welded to connect.
The blade annexation of above-mentioned pump impeller and the annexation of turbine blade can also be: be provided with a pump impeller intra vane flanging 15 and a plurality of pump impeller outer leafs auricle 27 on above-mentioned each pump impeller blade 19, described pump impeller outer shroud 18 is provided with the pump impeller external ear film trap 37 of respective numbers, described pump impeller intra vane flanging 15 is welded to connect with the interior ring 16 of pump impeller, and described each pump impeller outer leafs auricle 27 inserts in the corresponding pump impeller external ear film trap 37 and with pump impeller outer shroud 18 and is welded to connect; Be provided with a turbine intra vane flanging 21 and a plurality of turbine outer leafs auricle 29 on described each turbine blade 24, described turbine outer shroud 23 is provided with the turbine external ear film trap 39 of respective numbers, described turbine intra vane flanging 21 is welded to connect with the interior ring 22 of turbine, and described each turbine outer leafs auricle 29 inserts in the corresponding turbine external ear film trap 39 and with turbine outer shroud 23 and is welded to connect.
The blade annexation of above-mentioned pump impeller and the annexation of turbine blade can also be: be provided with at least one pump impeller intra vane auricle 26 and a pump impeller outer leafs flanging 20 on above-mentioned each pump impeller blade 19, ring 16 is provided with the pump impeller inner ear film trap 36 of respective numbers in the described pump impeller, described pump impeller outer leafs flanging 20 is welded to connect with pump impeller outer shroud 18, described each pump impeller intra vane auricle 26 insert in the corresponding pump impeller inner ear film trap 36 and with pump impeller in ring 16 be welded to connect; Be provided with at least one turbine intra vane auricle 28 and a turbine outer leafs flanging 25 on described each turbine blade 24, ring 22 is provided with the turbine inner ear film trap 38 of respective numbers in the described turbine, described turbine outer leafs flanging 25 is welded to connect with turbine outer shroud 23, described each turbine intra vane auricle 28 insert in the corresponding turbine inner ear film trap 38 and with turbine in ring 22 be welded to connect.
Above-mentioned seat ring 34 and guide wheel 7 adopt forging type to be fixed together.
The advantage that the utlity model has is:
1, because pump impeller blade of the present utility model and turbine blade have adopted punching press, welding manner, blade system precision height, rigidity and intensity are big, and is not yielding;
2, the utility model is provided with seal arrangement in the joint of cover wheel hub and oil pump input shaft, can guarantee that the oil of torque-converters inside can not leak by the cover wheel hub, and good airproof performance is easy to maintenance, the reliability height, and the life-span is long;
3, the seat ring of the utility model fluid torque converter and guide wheel adopt integrative-structure, and it is little, in light weight to have a volume, is fit to the characteristics of producing in enormous quantities;
4, because inner each the assembly surface of contact of the utility model fluid torque converter adopts roller bearing respectively,, can make the long-time stable operation of torque-converters so the transmission of the inner axial force of torque-converters is very steady.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is first kind of sealed structural representation of cover wheel;
Fig. 3 is second kind of sealed structural representation of cover wheel;
Fig. 4 is first kind of annexation schematic representation of pump impeller blade and interior ring and outer shroud;
Fig. 5 is first kind of annexation schematic representation of turbine blade and interior ring and outer shroud;
Fig. 6 is second kind of annexation schematic representation of pump impeller blade and interior ring and outer shroud;
Fig. 7 is second kind of annexation schematic representation of turbine blade and interior ring and outer shroud;
Wherein: 1-covers wheel hub, the 2-ball bearing, and 3-covers wheel, the 4-driving block, the 5-turbine, 6-pump impeller, 7-guide wheel, 8-roller bearing, 9-oil pump input shaft, 10-locatees collar, 11-seal ring, 12-back-up ring, 13-jam weld seam, 14-jam, 1 5-pump impeller intra vane flanging, ring in the 16-pump impeller, 17-blade weld seam, 18-pump impeller outer shroud, the 19-pump impeller blade, 20-pump impeller outer leafs flanging, 21-turbine intra vane flanging, ring in the 22-turbine, 23-turbine outer shroud, 24-turbine blade, 25-turbine outer leafs flanging, 26-pump impeller intra vane auricle, 27-pump impeller outer leafs auricle, 28-turbine intra vane auricle, 29-turbine outer leafs auricle, 30-covers wheelboss inner hole, the 31-annular groove, 32-spline, 33-back-up ring groove, the 34-seat ring, 35-covers hub, 36-pump impeller inner ear film trap, 37-pump impeller external ear film trap, 38-turbine inner ear film trap, 39-turbine external ear film trap.
Embodiment
The utility model fluid torque converter mainly comprises cover wheel 3, turbine 5, pump impeller 6, guide wheel 7, and specific constructive form is seen Fig. 1.Driving block 4 is welded on the cover wheel 3, and fluid torque converter adopts spline 32 to connect, in order to prevent the oil leakage in the torque-converters in the working procedure by the moment of torsion of driving block 4 transmission motors between cover wheelboss inner hole 30 and the oil pump input shaft 9; The utility model seals at the end that cover wheelboss inner hole 30 is provided with spline 32, sealing configuration can adopt two kinds of forms, first kind of sealing configuration is to adopt seal ring 11 to seal, as Fig. 2, on cover wheelboss inner hole 30, an annular groove 31 is set, card has location collar 10 in it, between location collar 10 and oil pump input shaft 9, be provided with back-up ring 12, be provided with back-up ring groove 33 at back-up ring 12 external peripheral surfaces, seal ring 11 is arranged between cover wheelboss inner hole 30 surfaces and the back-up ring groove 33, and the benefit of this structure is that seal ring 11 can be changed; Second kind of sealing configuration is to adopt jam 14 to carry out welded seal, as Fig. 3, a circular jam 14 is set in the outer end of oil pump input shaft 9, the internal diameter of the external diameter of this jam 14 and cover wheelboss inner hole 30 adapts, circumferential seam place with jam 14 and cover wheelboss inner hole 30 carries out welded seal then, form jam weld seam 13, the benefit of this structure be seal very reliable; In order to save the torque-converters inner space and to adapt to requirements of large-scale production, seat ring 34 and guide wheel 7 adopt integrative-structure, promptly adopt seat ring 34 to be cast into the structure of guide wheel 7, see Fig. 1; Pump impeller blade 19 of the present utility model and turbine blade 24 are to be fixed between the inner and outer rings by dual mode, a kind of mode is at blade and inner and outer rings contact position a blade flanging to be set respectively, with blade flanging and interior ring or outer shroud by first spot welding again the method for soldering fix, as Fig. 4 and Fig. 5; Another kind of mode is with the inner and outer rings contact position a plurality of outstanding blade auricles to be set on blade, simultaneously on inner and outer rings, have the auricle groove with the corresponding position of blade auricle, in corresponding blade groove on the blade auricle insertion inner and outer rings outstanding on the blade, again with the bending of blade auricle, carry out soldering at last and fix, as Fig. 6 and Fig. 7; Design roller bearing 8 respectively at inner each the assembly surface of contact of torque-converters and be used for the inner axial force of smooth transfer torque-converters, take turns 3 design ball bearings at turbine 5 and cover and be used for guaranteeing the stability that turbine 5 rotates freely, see Fig. 1.
The utility model principle:
1, pump impeller blade and turbine blade are fixed between the inner and outer rings by dual mode, and a kind of mode is that blade and inner and outer rings contact position have flanging, by first spot welding again soldering form the blade weld seam, fix; Another kind of mode is that blade and inner and outer rings contact position have several outstanding blade auricles, simultaneously have the auricle groove at the inner and outer rings corresponding site, earlier with in the corresponding auricle groove on the blade auricle insertion inner and outer rings outstanding on the blade, with the bending of blade auricle, carry out soldering at last again and form the blade weld seam, fix;
2, two of the utility model pump impeller blade and turbine blade kinds of means of fixation also can be carried out reasonable combination according to the blade dimensions size, such as adopting the flanging welding between interior ring and blade, adopt the auricle welding between outer shroud and blade.
3, torque-converters cover wheel is gone up design splined oil pump input shaft, is used for the transmitting torque oil feed pump, does not have leakage of oil for guaranteeing torque-converters at cover wheel position, requires to seal at cover wheel spline one end;
4, design roller bearing respectively at inner each the assembly surface of contact of torque-converters and be used for the inner axial force of smooth transfer torque-converters; The design ball bearing is used for guaranteeing the stability that turbine rotates freely between turbine and cover wheel;
5, for saving the torque-converters inner space, seat ring and guide wheel adopt integrative-structure, promptly adopt seat ring to be cast into the structure of guide wheel.
Claims (8)
1, a kind of engineering machinery fluid torque converter, comprise cover wheel (3), turbine (5), pump impeller (6), guide wheel (7), described pump impeller (6) comprises a plurality of pump impeller blades (19), ring (16) and a pump impeller outer shroud (18) in the pump impeller, described turbine (5) comprises a plurality of turbine blades (24), ring (22) and a turbine outer shroud (23) in the turbine, described cover wheel (3) comprises cover hub (35) and cover wheel hub (1), it is characterized in that: described cover wheelboss inner hole (30) one ends are provided with the spline (32) that can connect with oil pump input shaft (9), and its other end is provided with seal arrangement.
2, a kind of engineering machinery fluid torque converter according to claim 1 is characterized in that: described seal arrangement comprises seal ring (11), be arranged on annular groove (31) on the cover wheelboss inner hole (30), be arranged on location collar (10) in the annular groove (31), be arranged on the back-up ring (12) between location collar (10) and the oil pump input shaft (9); Described back-up ring (12) external peripheral surface is provided with back-up ring groove (33), and described seal ring (11) is arranged between cover wheelboss inner hole (30) surface and the back-up ring groove (33).
3, a kind of engineering machinery fluid torque converter according to claim 1, it is characterized in that: described seal arrangement comprises and is arranged on cover wheelboss inner hole (30) and a circular jam (14) parallel with the exterior edge face of oil pump input shaft (9), the internal diameter of the external diameter of this circle jam (14) and cover wheelboss inner hole (30) is corresponding, is welded to connect between described circular jam (14) and the cover wheelboss inner hole (30) and forms jam weld seam (13).
4, according to claim 1 or 2 or 3 described a kind of engineering machinery fluid torque converters, it is characterized in that: be provided with pump impeller intra vane flanging (15) and pump impeller outer leafs flanging (20) on described each pump impeller blade (19); All pump impeller intra vane flangings (15) respectively with pump impeller in the ring (16) be welded to connect, all pump impeller outer leafs flangings (20) are welded to connect with pump impeller outer shroud (18) respectively; Be provided with turbine intra vane flanging (21) and turbine outer leafs flanging (25) on described each turbine blade (24); All turbine intra vane flangings (21) respectively with turbine in the ring (22) be welded to connect, all turbine outer leafs flangings (25) are welded to connect with turbine outer shroud (23) respectively.
5, according to claim 1 or 2 or 3 described a kind of engineering machinery fluid torque converters, it is characterized in that: be provided with at least one pump impeller intra vane auricle (26) and a plurality of pump impeller outer leafs auricles (27) on described each pump impeller blade (19), ring (16) is provided with the pump impeller inner ear film trap (36) of respective numbers in the described pump impeller, described pump impeller outer shroud (18) is provided with the pump impeller external ear film trap (37) of respective numbers, described each pump impeller intra vane auricle (26) insert in corresponding pump impeller inner ear film trap (36) and with pump impeller in ring (16) be welded to connect, described each pump impeller outer leafs auricle (27) inserts in corresponding pump impeller external ear film trap (37) and with pump impeller outer shroud (18) and is welded to connect;
Be provided with at least one turbine intra vane auricle (28) and a plurality of turbine outer leafs auricles (29) on described each turbine blade (24), ring (22) is provided with the turbine inner ear film trap (38) of respective numbers in the described turbine, described turbine outer shroud (23) is provided with the turbine external ear film trap (39) of respective numbers, described each turbine intra vane auricle (28) insert in corresponding turbine inner ear film trap (38) and with turbine in ring (22) be welded to connect, described each turbine outer leafs auricle (29) inserts in corresponding turbine external ear film trap (39) and with turbine outer shroud (23) and is welded to connect.
6, according to claim 1 or 2 or 3 described a kind of engineering machinery fluid torque converters, it is characterized in that: be provided with a pump impeller intra vane flanging (15) and a plurality of pump impeller outer leafs auricles (27) on described each pump impeller blade (19), described pump impeller outer shroud (18) is provided with the pump impeller external ear film trap (37) of respective numbers, described pump impeller intra vane flanging (15) is welded to connect with the interior ring of pump impeller (16), and described each pump impeller outer leafs auricle (27) inserts in corresponding pump impeller external ear film trap (37) and with pump impeller outer shroud (18) and is welded to connect;
Be provided with a turbine intra vane flanging (21) and a plurality of turbine outer leafs auricles (29) on described each turbine blade (24), described turbine outer shroud (23) is provided with the turbine external ear film trap (39) of respective numbers, described turbine intra vane flanging (21) is welded to connect with the interior ring of turbine (22), and described each turbine outer leafs auricle (29) inserts in corresponding turbine external ear film trap (39) and with turbine outer shroud (23) and is welded to connect.
7, according to claim 1 or 2 or 3 described a kind of engineering machinery fluid torque converters, it is characterized in that: be provided with at least one a pump impeller intra vane auricle (26) and a pump impeller outer leafs flanging (20) on described each pump impeller blade (19), ring (16) is provided with the pump impeller inner ear film trap (36) of respective numbers in the described pump impeller, described pump impeller outer leafs flanging (20) and pump impeller outer shroud (18) are welded to connect, described each pump impeller intra vane auricle (26) insert in corresponding pump impeller inner ear film trap (36) and with pump impeller in ring (16) be welded to connect;
Be provided with at least one a turbine intra vane auricle (28) and a turbine outer leafs flanging (25) on described each turbine blade (24), ring (22) is provided with the turbine inner ear film trap (38) of respective numbers in the described turbine, described turbine outer leafs flanging (25) and turbine outer shroud (23) are welded to connect, described each turbine intra vane auricle (28) insert in corresponding turbine inner ear film trap (38) and with turbine in ring (22) be welded to connect.
8, according to claim 1 or 2 or 3 described a kind of engineering machinery fluid torque converters, it is characterized in that: described seat ring (34) and guide wheel (7) adopt forging type to be fixed together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620136325 CN200989428Y (en) | 2006-12-11 | 2006-12-11 | Hydraulic moment variator for engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620136325 CN200989428Y (en) | 2006-12-11 | 2006-12-11 | Hydraulic moment variator for engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200989428Y true CN200989428Y (en) | 2007-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620136325 Expired - Lifetime CN200989428Y (en) | 2006-12-11 | 2006-12-11 | Hydraulic moment variator for engineering machinery |
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| Country | Link |
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| CN (1) | CN200989428Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963220A (en) * | 2010-10-28 | 2011-02-02 | 天津市鼎孚科技发展有限公司 | Hydraulic torque converter and preparation method thereof |
| CN102537267A (en) * | 2010-12-15 | 2012-07-04 | 陕西航天动力高科技股份有限公司 | Hydraulic torque converter for fork truck |
| CN102563000A (en) * | 2010-12-21 | 2012-07-11 | 舍弗勒技术两合公司 | Flanged impeller hub |
| CN102788131A (en) * | 2011-05-18 | 2012-11-21 | 株式会社豊技研 | Manufacturing method of impeller for fluid transmitting device |
| CN105299171A (en) * | 2015-10-26 | 2016-02-03 | 广西柳工机械股份有限公司 | Pump wheel of hydraulic torque converter |
| CN110878821A (en) * | 2019-11-19 | 2020-03-13 | 陕西航天动力高科技股份有限公司 | Sealing device for vortex hub and driven disc of torque converter |
| CN111434944A (en) * | 2019-01-15 | 2020-07-21 | 山东金帝精密机械科技股份有限公司 | Rotor, hydraulic retarder and manufacturing process of rotor |
| CN114017482A (en) * | 2021-11-12 | 2022-02-08 | 宁波忠辉模具有限公司 | Hydraulic torque converter |
-
2006
- 2006-12-11 CN CN 200620136325 patent/CN200989428Y/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963220B (en) * | 2010-10-28 | 2013-04-17 | 天津市鼎孚科技发展有限公司 | Hydraulic torque converter and preparation method thereof |
| CN101963220A (en) * | 2010-10-28 | 2011-02-02 | 天津市鼎孚科技发展有限公司 | Hydraulic torque converter and preparation method thereof |
| CN102537267A (en) * | 2010-12-15 | 2012-07-04 | 陕西航天动力高科技股份有限公司 | Hydraulic torque converter for fork truck |
| CN102537267B (en) * | 2010-12-15 | 2015-07-29 | 陕西航天动力高科技股份有限公司 | A kind of hydraulic torque converter for fork truck |
| CN102563000B (en) * | 2010-12-21 | 2017-04-26 | 舍弗勒技术股份两合公司 | Manufacturing method for flanged impeller hub |
| CN102563000A (en) * | 2010-12-21 | 2012-07-11 | 舍弗勒技术两合公司 | Flanged impeller hub |
| US8881393B2 (en) | 2011-05-18 | 2014-11-11 | Yutaka Giken Co., Ltd. | Manufacturing method of impeller for fluid transmitting device |
| CN102788131A (en) * | 2011-05-18 | 2012-11-21 | 株式会社豊技研 | Manufacturing method of impeller for fluid transmitting device |
| CN102788131B (en) * | 2011-05-18 | 2015-12-09 | 株式会社豊技研 | The manufacture method of hydraulic drive impeller |
| CN105299171A (en) * | 2015-10-26 | 2016-02-03 | 广西柳工机械股份有限公司 | Pump wheel of hydraulic torque converter |
| CN111434944A (en) * | 2019-01-15 | 2020-07-21 | 山东金帝精密机械科技股份有限公司 | Rotor, hydraulic retarder and manufacturing process of rotor |
| CN110878821A (en) * | 2019-11-19 | 2020-03-13 | 陕西航天动力高科技股份有限公司 | Sealing device for vortex hub and driven disc of torque converter |
| CN114017482A (en) * | 2021-11-12 | 2022-02-08 | 宁波忠辉模具有限公司 | Hydraulic torque converter |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20071212 |
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| EXPY | Termination of patent right or utility model |