CN202152812U - Center-positioned hydraulic retarder - Google Patents
Center-positioned hydraulic retarder Download PDFInfo
- Publication number
- CN202152812U CN202152812U CN2011202736098U CN201120273609U CN202152812U CN 202152812 U CN202152812 U CN 202152812U CN 2011202736098 U CN2011202736098 U CN 2011202736098U CN 201120273609 U CN201120273609 U CN 201120273609U CN 202152812 U CN202152812 U CN 202152812U
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- CN
- China
- Prior art keywords
- fixed
- retarder
- mid
- hydrodynamic retarder
- seat
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a center-positioned hydraulic retarder comprising a fixed support and a transmission shaft, wherein the fixed support is fixed on a frame of a vehicle; and the transmission shaft is connected with flanges at two ends of the hydraulic retarder. The center-positioned hydraulic retarder consists of a fixed body and a rotating body, wherein the fixed body is connected with the frame of the vehicle; and the rotating body rotates relative to the fixed body; the fixed body consists of a retarder shell, and a stator impeller and a front end cover which are fixed on the retarder shell by fastening elements, as well as a front oil seal seat fixed on the front end seat, and a rear oil seal seat fixed on the retarder shell; and the rotating body consists of a spline shaft provided with splines at two ends, two flanges respectively sheathed on the splines at the two ends of the spline shaft, a rotor impeller sheathed on the spline shaft by the splines, and a packing seat sheathed on the spline shaft. The center-positioned hydraulic retarder has relatively lower requirements on the manufacturing technology of parts, has a low cost, light weight and high braking efficiency, and is convenient to install.
Description
Technical field
The utility model relates to a kind of impeller of rotor that utilizes liquid acceleration shock stator impeller is produced resisting moment, particularly relates to a kind of mid-hydrodynamic retarder that is used for the motor vehicle auxiliary braking.
Background technique
At present; Hydrodynamic retarder is installed on the gearbox, and the mounting interface that not is not complementary with hydrodynamic retarder of part gearbox, along with the extensive use of hydrodynamic retarder; The hydrodynamic retarder between two transmission shafts also do not occur being installed on, therefore limited the extensive use of hydrodynamic retarder.
Summary of the invention
The purpose of the utility model is to overcome deficiency of the prior art and provide a kind of to part manufacturing process is less demanding relatively, cost is low, in light weight, mid-hydrodynamic retarder that retardation efficiency is high and easy for installation.
The technical solution of the utility model is said mid-hydrodynamic retarder; Comprise the fixed support that is fixed on the carriage frame, with the transmission shaft that hydrodynamic retarder two ends bead is connected, its special way is: said mid-hydrodynamic retarder is made up of the solid of rotation of the fixed body that is connected with carriage frame, the rotation of said relatively fixed body.
As preferably: said fixed body is by the retarder housing, be fixed on stator impeller and front cover on the retarder housing, be fixed on Front oil seal seat on the front cover, be fixed on the retarder housing Rear oil seal seat and form through fastener.
As preferably: opposed tapered roller bearing is housed on the said front cover, between opposed tapered roller bearing inner ring, is provided with spacer.
As preferably: said opposed tapered roller bearing adopts back-to-back mode to arrange.
As preferably: said solid of rotation by two ends be provided with spline splined shaft, be set in two beads on the spline of splined shaft two ends, through spline package at the impeller of rotor on the splined shaft, be sleeved on packing seat on the splined shaft, sealing axle sleeve, the fixed element that connects with impeller of rotor respectively forms.
As preferably: in the outer groove of said packing seat packing is housed, in the side annular groove of packing seat the O RunddichtringO is housed.
Compared with prior art, the advantage of the utility model:
⑴ two bearings are directly installed on the front cover, need not install new bearing support additional, make the gross weight of hydrodynamic retarder alleviate, and the bearing assembly precision requires to be guaranteed easily simultaneously, and retardation efficiency improves greatly, and assembling and entrucking are convenient.
⑵ bearing adopts back-to-back arrangement, increases the reliability that supports, and improves bearing life.
⑶ select the mid-hydrodynamic retarder of impeller of rotor supporting for use, on the crossbeam that the fixed support that its weight cushions through band is added in, decomposed stress effectively.
⑷ mid-hydrodynamic retarder makes that through the oil pressure of the reduction of the packing on the packing seat bearing portion oil sealing on the oil sealing base can better seal, and has prolonged the working life of oil sealing.
⑸ mid-hydrodynamic retarder adopts the direct lubricating bearings of working solution of retarder, the lubrication effect and the working life of having improved bearing greatly.
⑹ mid-hydraulic speed buffer structure is compact, and the technology capability of each component part of retarder is better, makes the gross weight of mid-hydrodynamic retarder alleviate, and retardation efficiency improves greatly, and assembling and entrucking are convenient.
⑺ the application of mid-hydrodynamic retarder does not receive the influence of installing space on every side of gearbox interface and gearbox, can not cause any harm to gearbox yet, and coupling is used more extensive.
Description of drawings
Fig. 1 is the assembling schematic representation of the mid-hydrodynamic retarder of the utility model.
Fig. 2 is the left TV structure schematic representation of Fig. 1.
The primary clustering symbol description:
Fixed body 1 retarder housing 11 stator impellers 12 Rear oil seal seats 13 hexagon head bolts 131 front covers 14 Front oil seal seats 15 hexagon head bolts 151 solid of rotation 2 splined shafts 21 tapered roller bearings 22 spacers 221 impeller of rotor 23 packing seats 24 packings 241 O RunddichtringOs 242 beads 25 sealing axle sleeves 26 hexagon nuts 27 retarder supports 3 hexagon head bolts 31 control valve assemblies 4 suction tude 41 heat exchanger assemblies 5.
Embodiment
The utility model below will combine accompanying drawing to do further to detail:
See also Fig. 1, shown in Figure 2; The mid-hydrodynamic retarder that this is installed between two transmission shafts comprises the sheathed hydrodynamic retarder that is connected through two beads that are sleeved on impeller of rotor assembly two ends with transmission shaft former car power train in the fixed support (not shown) that is fixed on the carriage frame and this fixing frame.Said mid-hydrodynamic retarder is made up of the solid of rotation 2 of the fixed body 1 that is connected with the carriage frame (not shown), 1 rotation of said relatively fixed body.Said fixed body 1 is by retarder housing 11, be fixed on stator impeller 12 and front cover 14 on the retarder housing 11, be fixed on Front oil seal seat 15 on the front cover 14, be fixed on the retarder housing 11 Rear oil seal seat 13 and form through hexagon head bolt 131.Front oil seal seat 14 is fixed on the front cover 14 through hexagon head bolt 151.
Opposed tapered roller bearing 22 is housed on the said front cover 14, between opposed tapered roller bearing 22 inner rings, is provided with spacer 221.Said opposed tapered roller bearing 22 adopts back-to-back mode to arrange.
Said solid of rotation 2 is provided with the splined shaft 21 of spline by two ends, be set in two beads 25 on the splined shaft 21 two ends splines, through spline package at the impeller of rotor on the splined shaft 25 23, be sleeved on packing seat 24 on the splined shaft 25, sealing axle sleeve 26, the hexagon nut 27 that connects with impeller of rotor 23 respectively forms.Packing 241 is housed in the outer groove of said packing seat 24, in the side annular groove of packing seat 24 O RunddichtringO 242 is housed.
Said retarder housing 11 outsides are provided with retarder support 3.Wherein retarder support 3 is fixed on the retarder housing 11 through hexagon head bolt 31; Said retarder housing 11 outsides are provided with control valve assembly 4.Wherein control valve assembly 4 and be fixed on the retarder support 3, and link through suction tude 41 and retarder housing 11 through hexagon head bolt 31; Said retarder housing 11 outsides are provided with heat exchanger assembly 5.
Using process is following: in the process that vehicle is advanced, solid of rotation 2 links together with the transmission shaft (not shown) and rotates with the transmission shaft (not shown), leaves very little gap between fixed body 1 and the solid of rotation 2.When needs are braked; The controller (not shown) gives the control assembly 4 signals according to the situation of driver instruction effect foot treadle switch or hand switch; Control valve assembly 4 control pressurized air are pressed into the hydrodynamic retarder inner chamber to working solution; Thereby produce the moment with the transmission shaft direction of rotation, fully consume vehicle energy, play the effect of deceleration; A large amount of heats that working solution produces carry out heat exchange with cooling water in heat exchanger, heat is taken away by cooling water.
The above is merely the preferred embodiment of the utility model, and all equalizations of being done according to the utility model claim scope change and modify, and all should belong to the covering scope of the utility model claim.
Claims (6)
1. mid-hydrodynamic retarder; Comprise the fixed support that is fixed on the carriage frame, with the transmission shaft that hydrodynamic retarder two ends bead is connected, it is characterized in that: said mid-hydrodynamic retarder is made up of the solid of rotation of the fixed body that is connected with carriage frame, the rotation of said relatively fixed body.
2. according to the said mid-hydrodynamic retarder of claim 1, it is characterized in that: said fixed body is by the retarder housing, be fixed on stator impeller and front cover on the retarder housing, be fixed on Front oil seal seat on the front cover, be fixed on the retarder housing Rear oil seal seat and form through fastener.
3. according to the said mid-hydrodynamic retarder of claim 2, it is characterized in that: opposed tapered roller bearing is housed on the said front cover, between opposed tapered roller bearing inner ring, is provided with spacer.
4. according to the said mid-hydrodynamic retarder of claim 3, it is characterized in that: said opposed tapered roller bearing adopts back-to-back mode to arrange.
5. according to the said mid-hydrodynamic retarder of claim 1, it is characterized in that: said solid of rotation by two ends be provided with spline splined shaft, be set in two beads on the spline of splined shaft two ends, through spline package at the impeller of rotor on the splined shaft, be sleeved on packing seat on the splined shaft, sealing axle sleeve, the fixed element that connects with impeller of rotor respectively forms.
6. according to the said mid-hydrodynamic retarder of claim 5, it is characterized in that: in the outer groove of said packing seat packing is housed, in the side annular groove of packing seat the O RunddichtringO is housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202736098U CN202152812U (en) | 2011-07-29 | 2011-07-29 | Center-positioned hydraulic retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202736098U CN202152812U (en) | 2011-07-29 | 2011-07-29 | Center-positioned hydraulic retarder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202152812U true CN202152812U (en) | 2012-02-29 |
Family
ID=45693308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202736098U Expired - Lifetime CN202152812U (en) | 2011-07-29 | 2011-07-29 | Center-positioned hydraulic retarder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202152812U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939866A (en) * | 2017-12-25 | 2018-04-20 | 深圳市特尔佳科技股份有限公司 | Retarder |
| CN113565900A (en) * | 2021-07-26 | 2021-10-29 | 贵州凯星液力传动机械有限公司 | Combined hydraulic retarder |
-
2011
- 2011-07-29 CN CN2011202736098U patent/CN202152812U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939866A (en) * | 2017-12-25 | 2018-04-20 | 深圳市特尔佳科技股份有限公司 | Retarder |
| CN113565900A (en) * | 2021-07-26 | 2021-10-29 | 贵州凯星液力传动机械有限公司 | Combined hydraulic retarder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: A1406, building 12, Shenzhen Bay science and technology ecological park, No. 18, Keji South Road, high tech Zone, Yuehai street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Dawei Innovation Technology Co., Ltd Address before: 518000, Baisha building, Shahe West Road, Nanshan District, Guangdong, Shenzhen 406, China Patentee before: SHENZHEN TERCA TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120229 |
|
| CX01 | Expiry of patent term |