CN113586631A - Power transmission mechanism on reinforced hydraulic retarder - Google Patents
Power transmission mechanism on reinforced hydraulic retarder Download PDFInfo
- Publication number
- CN113586631A CN113586631A CN202110878690.0A CN202110878690A CN113586631A CN 113586631 A CN113586631 A CN 113586631A CN 202110878690 A CN202110878690 A CN 202110878690A CN 113586631 A CN113586631 A CN 113586631A
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- China
- Prior art keywords
- spline
- bearing
- main shaft
- transmission mechanism
- power transmission
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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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- 230000005540 biological transmission Effects 0.000 title claims abstract description 38
- 229910000639 Spring steel Inorganic materials 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims description 2
- 230000007774 longterm Effects 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000005299 abrasion Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000002708 enhancing effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Images
Classifications
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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
- 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
- F16D57/02—Liquid-resistance brakes; Brakes using the internal friction of fluids or fluid-like media, e.g. powders with blades or like members braked by the fluid
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/02—Shafts; Axles
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/02—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
- F16D3/06—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted to allow axial displacement
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Support Of The Bearing (AREA)
Abstract
The invention relates to a power transmission mechanism on a reinforced hydraulic retarder, and belongs to the technical field of vehicle accessories. The power transmission mechanism comprises a spline main shaft, an intermediate turbine, a main bearing and an auxiliary bearing, wherein a connecting spline is circumferentially arranged on the surface of the middle of the spline main shaft, the intermediate turbine is sleeved at the middle of the spline main shaft and is in spline fit with the spline main shaft, a transmission gear is arranged at the front end of the spline main shaft, the main bearing is connected to the front portion of the spline main shaft and is located on the rear side of the transmission gear, the auxiliary bearing is connected to the rear portion of the spline main shaft, and the main bearing and the auxiliary bearing are respectively provided with a tight round nut and are fastened. The power transmission mechanism designed by the invention has the advantages of stable structure, light abrasion, long service life and easy production and assembly.
Description
Technical Field
The invention relates to the technical field of vehicle accessories, in particular to a power transmission mechanism on a reinforced hydraulic retarder.
Background
The hydraulic retarder is an automobile retarder which reduces the running speed of a vehicle through a hydraulic device, and is generally assembled in an automobile braking system of a current commercial vehicle. The power transmission mechanism on the retarder is a key part for the retarder to work, and in the structure of the hydraulic retarder which is marketed and reported in China, the power transmission mechanism has the following defects: 1. the spline spindle of the power transmission mechanism has high machining precision requirement, and the production cost is high. 2. The assembly with other fittings is difficult, and the assembly efficiency is low. 3. The bearing clearance adjustment on the shaft is not accurate, the bearing is easy to wear and lose efficacy, and the service life is limited. 4. Later maintenance is difficult in the using process, and the maintenance cost is higher.
Disclosure of Invention
In order to solve the problems in the prior art, the invention designs a power transmission mechanism on a reinforced hydraulic retarder, which has the advantages of stable structure, small abrasion, easy assembly and long service life.
The technical scheme adopted by the invention is as follows: the power transmission mechanism comprises a spline main shaft, an intermediate turbine, a main bearing and an auxiliary bearing, wherein a connecting spline is circumferentially arranged on the surface of the middle of the spline main shaft, the intermediate turbine is sleeved at the middle of the spline main shaft and is in spline fit with the spline main shaft, a transmission gear is arranged at the front end of the spline main shaft, the main bearing is connected to the front portion of the spline main shaft and is located on the rear side of the transmission gear, the auxiliary bearing is connected to the rear portion of the spline main shaft, the main bearing and the auxiliary bearing are respectively provided with a tight round nut, and the tight nut adjusts the working clearance of the main bearing and the auxiliary bearing on the spline main shaft.
Furthermore, the spline main shaft is a stepped shaft, the shaft diameter of the stepped shaft is reduced in a forward and backward mode, the shaft diameter of the main bearing joint at the front side is the largest, the shaft diameter of the connecting spline section arranged in the middle is reduced once, the shaft diameter of the auxiliary bearing joint at the rear side is reduced once, the tail end of the spline main shaft is a rotary shifting head, the spline main shaft is integrally formed, and the spline main shaft is made of alloy steel.
Furthermore, middle turbine is two-sided turbine, all extend the circumference equipartition on the annular face of the front and back both sides of middle turbine and have a plurality of thick blades, the blade radially sets up, middle turbine's material is the casting alloy.
Further, the nut that closes of main bearing and auxiliary bearing is provided with lock washer and elastic washer, the lock washer is the metal material for it is not hard up to prevent and close the back of the long-time use of round nut, the elastic washer material is the spring steel, is used for eliminating the produced clearance of main bearing and auxiliary bearing in the use to and the inside contact stress of bearing.
Furthermore, the two sides of the joint of the middle turbine and the spline spindle are respectively provided with an elastic retainer ring for fixing, so that the middle turbine is prevented from moving axially, and the elastic retainer rings are made of spring steel.
Further, the overall size of the main bearing is larger than that of the auxiliary bearing, the types and specifications of the main bearing and the auxiliary bearing are selected according to the types and specifications of retarder products, and the main bearing and the auxiliary bearing are composed of tapered roller bearings or cylindrical roller bearings.
Compared with the prior art, the invention discloses a method for enhancing the power transmission mechanism on the hydraulic retarder, which has the following advantages: the transmission gear at the front end of the spline main shaft is engaged with the gear of the external gear transmission mechanism for mutual transmission, so that the external rotary power is transmitted to the spline main shaft through the spline main shaft, the middle turbine is connected in a spline fit manner, when the retarder is assembled, the front side and the rear side of the middle turbine are respectively provided with the front fixed turbine and the rear fixed turbine, the middle turbine rotates to drive hydraulic oil in the turbine cavity to rotate to generate counter power, the counter power firstly acts on the middle turbine, the middle turbine acts on a spline main shaft matched with a spline, and finally, the transmission gear at the front side end of the spline main shaft is meshed with the gear of the external gear transmission mechanism for mutual transmission and is transmitted to the external transmission mechanism, through the power transmission mechanism, the rotary power of the external transmission mechanism is input into the mechanism, and the counter power generated by the mechanism is output to the external transmission mechanism. The spline main shaft of the mechanism is integrally formed, the structure is stable, the requirement on manufacturing precision is relatively low, the mass production is easy, and the production cost is low; the middle turbine is a double-faced turbine, can rotate relative to the front fixed turbine and the rear fixed turbine respectively to generate counter braking power after being assembled, has large torque output, and is suitable for the slow braking of large-sized load-carrying vehicles. The gears and the bearings on the gear spline shafts in the whole mechanism are only slightly abraded during working, and the other parts are not abraded, so that the service life of the whole part is long, the later maintenance frequency is low, and the maintenance cost is low; the whole mechanism has no vibration, impact and pollution in a working or non-working state, and no damage to an external device or the environment; the mechanism is easy to operate during production and assembly, and the production and assembly efficiency is high.
Drawings
FIG. 1 is a schematic diagram of a power transmission mechanism on an enhanced hydrodynamic retarder
In the figure, 1, a spline main shaft, 2, an intermediate turbine, 3, a main bearing, 4, a secondary bearing, 5, a tightening round nut, 6, a stop washer, 7, an elastic washer, 8, an elastic retainer ring, 11, a transmission gear, 12, a rotary shifting block, 13 and a connecting spline are arranged in sequence
Detailed Description
The invention is further described with reference to the following figures and specific embodiments. The technical solutions in the embodiments of the present invention are clearly and completely described, and the described embodiments are only some embodiments, but not all embodiments of the present invention. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention.
As shown in fig. 1, the present invention discloses an embodiment of a power transmission mechanism for enhancing a hydrodynamic retarder, in which the power transmission mechanism for enhancing a hydrodynamic retarder includes a splined main shaft 1, an intermediate turbine 2, a main bearing 3, and a secondary bearing 4. The middle surface of the spline main shaft 1 is circumferentially provided with a connecting spline 13, and the middle turbine 2 is sleeved on the middle of the spline main shaft 1 and is in spline fit with the spline. The front end of the spline main shaft 1 is integrally formed with a transmission gear 11, and the rear end is provided with a rotary shifting block 12. The main bearing 3 is connected with the front part of the spline main shaft 1 and is positioned at the rear side of the transmission gear 11, and the auxiliary bearing 4 is connected with the rear part of the spline main shaft 1 and is close to the rotary shifting block 12. The whole spline main shaft 1 is integrally formed and is a stepped shaft, and the shaft diameter of the stepped shaft is reduced in a stepped manner from front to back. The shaft diameter of the joint of the main bearing 3 at the front side is the largest, the shaft diameter of the section provided with the connecting spline 13 in the middle is reduced for the first time, and the shaft diameter of the joint of the auxiliary bearing 4 at the rear side is reduced for the second time.
The middle turbine 2 is a double-faced turbine made of cast alloy, a plurality of thick blades are uniformly distributed on the annular surfaces of the front side and the rear side in the circumferential direction, and the blades are arranged in the radial direction. Two sides of the joint of the middle turbine 2 and the spline spindle 1 are respectively provided with an elastic retainer ring 8 for fixing, so that the middle turbine 2 is prevented from moving axially in the use process. The elastic retainer ring 8 is made of spring steel, and can be made of standard parts or non-standard parts.
And round nuts 5 are respectively arranged at the joints of the main bearing 3 and the auxiliary bearing 4 and the spline main shaft 1, and the tightening nuts 5 are used for adjusting the working clearances of the main bearing 3 and the auxiliary bearing 4 on the spline main shaft 1. Meanwhile, the jam nuts 5 of the main bearing 3 and the sub bearing 4 are provided with a stopper washer 6 and an elastic washer 7, respectively. The stop washer 6 is made of metal and is used for preventing the round nut 5 from loosening after being tightly screwed for a long time. The elastic washer 7 is made of spring steel and is used for eliminating a gap generated by the main bearing 3 and the auxiliary bearing 4 in the using process and the contact stress inside the bearing.
The main bearing 3 is larger than the auxiliary bearing 4 in overall size and is respectively used for connecting the front end and the rear end of the spline main shaft 1 with the retarder shell. The model and specification of the main bearing 3 and the auxiliary bearing 4 are selected according to the model and specification of the retarder product, and a tapered roller bearing or a cylindrical roller bearing can be selected to be used.
The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, which is defined by the appended claims and the description of the invention.
Claims (6)
1. The utility model provides a power transmission mechanism on reinforcing hydraulic retarber, a serial communication port, power transmission mechanism includes spline main shaft, middle turbine, main bearing and auxiliary bearing, the middle part surface circumference of spline main shaft is provided with the connection spline, middle turbine cover is established at the middle part of spline main shaft to spline fit with it, the front end of spline main shaft is provided with drive gear, the main bearing is connected in the front portion of spline main shaft, is located drive gear's rear side, the rear portion at the spline main shaft is connected to the auxiliary bearing, main bearing and auxiliary bearing are provided with respectively and tight round nut, and the work play of the main bearing on the tight nut adjustment spline main shaft and auxiliary bearing.
2. The power transmission mechanism for the enhanced hydraulic retarder according to claim 1, wherein the spline main shaft is a stepped shaft, the shaft diameter of the stepped shaft is reduced in a forward and backward step manner, the shaft diameter of the main bearing joint at the front side is the largest, the shaft diameter of the connecting spline section arranged in the middle is reduced once, the shaft diameter of the auxiliary bearing joint at the rear side is reduced once, the tail end of the spline main shaft is a rotating shifting block, the spline main shaft is integrally formed, and the spline main shaft is made of alloy steel.
3. The power transmission mechanism of the enhanced hydrodynamic retarder as claimed in claim 2, wherein the intermediate turbine is a double-faced turbine, a plurality of thick blades are uniformly distributed on the annular surfaces of the front and rear sides of the intermediate turbine along the circumferential direction, the blades are arranged in the radial direction, and the intermediate turbine is made of cast alloy.
4. The mechanism for transmitting power to an enhanced hydrodynamic retarder as claimed in claim 3, wherein the nuts for tightening the main bearing and the secondary bearing are provided with a stop washer and an elastic washer, the stop washer is made of metal material and is used for preventing the nuts for tightening from loosening after long-term use, and the elastic washer is made of spring steel and is used for eliminating the clearance generated during the use of the main bearing and the secondary bearing and the contact stress inside the bearing.
5. The power transmission mechanism for the enhanced hydraulic retarder according to claim 4, wherein elastic check rings are respectively arranged on two sides of a joint of the intermediate turbine and the spline spindle to fix the joint, so as to prevent the intermediate turbine from moving axially, and the elastic check rings are made of spring steel.
6. A power transmission mechanism on an enhanced hydrodynamic retarder according to claim 5, characterized in that the main bearing has larger overall dimensions than the secondary bearing, and the type and specification of the main bearing and the secondary bearing are selected according to the type and specification of the product of the retarder and are composed of tapered roller bearings or cylindrical roller bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110878690.0A CN113586631A (en) | 2021-08-02 | 2021-08-02 | Power transmission mechanism on reinforced hydraulic retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110878690.0A CN113586631A (en) | 2021-08-02 | 2021-08-02 | Power transmission mechanism on reinforced hydraulic retarder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113586631A true CN113586631A (en) | 2021-11-02 |
Family
ID=78253461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110878690.0A Pending CN113586631A (en) | 2021-08-02 | 2021-08-02 | Power transmission mechanism on reinforced hydraulic retarder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113586631A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202910765U (en) * | 2012-11-13 | 2013-05-01 | 南通昱品通信科技有限公司 | Wire coil clamp protective device |
| CN202955197U (en) * | 2012-11-23 | 2013-05-29 | 天津工程机械研究院 | Low-speed efficient energy-saving double-turbine hydraulic torque converter |
| CN203511649U (en) * | 2013-09-03 | 2014-04-02 | 郑煤机集团潞安新疆机械有限公司 | Support transporting flat car |
| CN203809636U (en) * | 2014-05-07 | 2014-09-03 | 宜昌市燕狮科技开发有限责任公司 | Open type symmetrically-supported high-speed fluid coupling |
| CN203836034U (en) * | 2014-05-04 | 2014-09-17 | 陕西法士特齿轮有限责任公司 | Conical bearing structure parallel-connected hydraulic retarder |
| CN204113969U (en) * | 2014-09-30 | 2015-01-21 | 苏州雷姆斯汽车工程有限公司 | Two-chamber three turbo type hydrodynamic retarder |
| CN104358788A (en) * | 2014-10-31 | 2015-02-18 | 宁波星箭航天机械有限公司 | Device for locking high-speed bearing |
| CN204419923U (en) * | 2014-12-10 | 2015-06-24 | 陕西法士特齿轮有限责任公司 | A kind of hydraulic speed buffer structure in parallel of bipyramid bearings |
| CN204725260U (en) * | 2015-06-25 | 2015-10-28 | 黄河科技学院 | A kind of deep hole grinder |
| CN205534098U (en) * | 2016-01-15 | 2016-08-31 | 山东沃克液力传动有限公司 | Novel double -turbine hydraulic torque converter |
| CN205675709U (en) * | 2016-05-30 | 2016-11-09 | 黄石市华天自动化设备有限公司 | Automatic carriage automatic aligning lubricates guider |
| CN106931057A (en) * | 2017-03-23 | 2017-07-07 | 陕西法士特齿轮有限责任公司 | A kind of separable Retarder work cavity configuration of rotor |
-
2021
- 2021-08-02 CN CN202110878690.0A patent/CN113586631A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202910765U (en) * | 2012-11-13 | 2013-05-01 | 南通昱品通信科技有限公司 | Wire coil clamp protective device |
| CN202955197U (en) * | 2012-11-23 | 2013-05-29 | 天津工程机械研究院 | Low-speed efficient energy-saving double-turbine hydraulic torque converter |
| CN203511649U (en) * | 2013-09-03 | 2014-04-02 | 郑煤机集团潞安新疆机械有限公司 | Support transporting flat car |
| CN203836034U (en) * | 2014-05-04 | 2014-09-17 | 陕西法士特齿轮有限责任公司 | Conical bearing structure parallel-connected hydraulic retarder |
| CN203809636U (en) * | 2014-05-07 | 2014-09-03 | 宜昌市燕狮科技开发有限责任公司 | Open type symmetrically-supported high-speed fluid coupling |
| CN204113969U (en) * | 2014-09-30 | 2015-01-21 | 苏州雷姆斯汽车工程有限公司 | Two-chamber three turbo type hydrodynamic retarder |
| CN104358788A (en) * | 2014-10-31 | 2015-02-18 | 宁波星箭航天机械有限公司 | Device for locking high-speed bearing |
| CN204419923U (en) * | 2014-12-10 | 2015-06-24 | 陕西法士特齿轮有限责任公司 | A kind of hydraulic speed buffer structure in parallel of bipyramid bearings |
| CN204725260U (en) * | 2015-06-25 | 2015-10-28 | 黄河科技学院 | A kind of deep hole grinder |
| CN205534098U (en) * | 2016-01-15 | 2016-08-31 | 山东沃克液力传动有限公司 | Novel double -turbine hydraulic torque converter |
| CN205675709U (en) * | 2016-05-30 | 2016-11-09 | 黄石市华天自动化设备有限公司 | Automatic carriage automatic aligning lubricates guider |
| CN106931057A (en) * | 2017-03-23 | 2017-07-07 | 陕西法士特齿轮有限责任公司 | A kind of separable Retarder work cavity configuration of rotor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20211102 |