CN105202074A - Parallel type hydraulic retarder with clutch device and separation method of parallel type hydraulic retarder - Google Patents
Parallel type hydraulic retarder with clutch device and separation method of parallel type hydraulic retarder Download PDFInfo
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- CN105202074A CN105202074A CN201510604038.4A CN201510604038A CN105202074A CN 105202074 A CN105202074 A CN 105202074A CN 201510604038 A CN201510604038 A CN 201510604038A CN 105202074 A CN105202074 A CN 105202074A
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Abstract
The invention relates to a parallel type hydraulic retarder with a clutch device and a separation method of the parallel type hydraulic retarder, and aims to solve the problems that the fuel consumption of a vehicle is increased and the economy of vehicle running is reduced due to the fact that a hydraulic retarder assists for the braking of a heavy commercial vehicle can generate certain power loss, and that idling loss, which generates corresponding heat problems, of the hydraulic retarder is increased as a small quantity of working media which are retained in a working cavity and meet the lubricating and cooling circulating requirement during non-braking running of the hydraulic retarder. The parallel type hydraulic retarder comprises a braking shaft, a first control system, a gear clutch, a speed increase gear shaft, a speed increase gear, a friction clutch, a friction clutch actuation mechanism, a second control system, a hydraulic retarder rotor, a stator, a hydraulic retarder control liquid filling mechanism, a speed changing box output shaft, a transmission gear, a braking shaft bearing, a speed changing box output shaft bearing, a first control valve, a second control valve and a shell. The parallel type hydraulic retarder is used in the field of heavy commercial vehicle braking.
Description
Technical field
The present invention relates to a kind of parallel hydraulic retarder with engaging and disengaging gear and separation method thereof.
Background technique
Hydrodynamic retarder is used for the auxiliary braking of heavy-duty commercial vehicle, can provide braking moment that is lasting, nothing wearing and tearing.Hydrodynamic retarder is connected with vehicle transmission gear or output shaft usually.Hydrodynamic retarder is in non-retarder brake situation, because impeller of rotor is still at rotating operation, therefore can produce certain power loss, especially under higher rotation speed, power loss is comparatively large, which increases the fuel consumption of vehicle, reduces the Economy of vehicle operating.For eliminating the idling loss under hydrodynamic retarder non-brake runnability, retarder impeller can be separated with the transmission component between gearbox or transmission shaft, retarder impeller no longer be rotated, thus also would not produce any power loss.When hydrodynamic retarder needs to enter working state, then transmission component is engaged, thus rotor driven impeller produces braking moment.
When hydrodynamic retarder is in non-brake operation, because the working medium in active chamber itself is difficult to be emptied completely, and bearing and turn sealing configuration between stator and also have lubricating requirement, so the High Rotation Speed of rotor still can drive the gas in active chamber and remaining a small amount of working medium to enter recurrent state, produce idling loss, thus produce the braking moment be not supposed to.Because idling loss can produce corresponding heat, and because bearing and sealing configuration need lubrication, therefore hydrodynamic retarder can design corresponding idle lubrication and cooling oil path, to meet the demand of Cooling and Lubricator usually.But due to the existence of idle running cooling and lubricating oil circuit, inevitably cause when hydrodynamic retarder non-brake is run, a small amount of working medium that is remaining and that meet lubrication circulation requirement is there is in active chamber, which increase the idling loss of hydrodynamic retarder, especially when hydrodynamic retarder runs under high-speed state, what this part power loss can become can not ignore, and impact uses the Economy of vehicle.In order to reduce this part idling loss, the generation added interfering component and block or reduce gas circulation, the spacing increasing two running wheels when non-brake is run can be adopted under normal circumstances to weaken gas circulation intensity or to take optimization circulation cooling lubrication oil mass to reach the modes such as minimum idling loss power.But these modes can only reduce idling loss to a certain extent, and idling loss cannot be eliminated completely.
Summary of the invention
The present invention adopts the hydrodynamic retarder of prior art medium and heavy commercial car auxiliary braking to produce certain power loss to solve, increase the fuel consumption of vehicle, reduce the Economy of vehicle operating, and during the operation of hydrodynamic retarder non-brake, a small amount of working medium that is remaining and that meet lubrication circulation requirement is there is in active chamber, which increase the idling loss of hydrodynamic retarder, idling loss can produce the problem of corresponding heat, and then provides a kind of parallel hydraulic retarder with engaging and disengaging gear and separation method thereof.
The present invention is the technological scheme adopted that solves the problem:
A kind of parallel hydraulic retarder with engaging and disengaging gear it comprise brake axle, the first control system, cover tooth-like clutch, overdrive gear axle, overdrive gear, friction clutch, friction clutch actuator, the second control system, hydrodynamic retarder rotor, stator, hydrodynamic retarder control topping up mechanism, output shaft of gear-box, driving gear, brake shaft bearing, output shaft of gear-box bearing, the first control valve, the second control valve and housing, brake axle level is fixedly mounted in housing, first control valve is connected with the first control system, second control valve is connected with the second control system, first control system and the second control system are fixedly mounted on the periphery of the left end of brake axle, brake shaft bearing is sleeved on brake axle near the first control system and the second control system, hydrodynamic retarder rotor by spline package on brake axle, stator sleeve is contained on brake axle, hydrodynamic retarder rotor and stator are oppositely arranged, and stator is fixedly connected with inner walls, an active chamber is formed between rotor and stator, hydrodynamic retarder is controlled topping up mechanism and is communicated with active chamber by pipeline, cover tooth-like clutch and friction clutch pack dress are arranged on brake axle, overdrive gear axle sleeve is contained in brake axle, overdrive gear is sleeved on overdrive gear axle, and cover tooth-like clutch and friction clutch are separately positioned on the both sides of overdrive gear, friction clutch actuator is sleeved on brake axle near friction clutch, output shaft of gear-box bearing housing is contained on output shaft of gear-box, output shaft of gear-box bearing is arranged on housing, the center line of output shaft of gear-box and the centerline parallel of brake axle are arranged, driving gear is sleeved on output shaft of gear-box, and driving gear engages with overdrive gear tooth.
A separation method for parallel hydraulic retarder with engaging and disengaging gear, described method realizes according to following steps:
Step one: the first control valve connected in the first control system promotes multi-plate friction clutch and enters jointing state, overdrive gear drives brake axle and hydrodynamic retarder rotor speedup to rotate by friction clutch;
Step 2: when progressively speedup is identical with the speed of overdrive gear to rotating speed for brake axle and hydrodynamic retarder rotor, second control system is connected the second control valve and cover tooth-like clutch is pushed to engagement positio, and now overdrive gear and brake axle are closed by the internal tooth casing socket joint of cover tooth-like clutch;
Step 3: when overlapping tooth-like clutch and entering engagement positio completely, the connection external tooth that overdrive gear is corresponding with brake axle is connected by internal tooth sleeve, now can close the first control valve and is separated by multi-plate friction clutch;
Step 4: the second control system closes the second control valve of the second control system at once after receiving cancellation retarder brake signal, topping up mechanism is controlled by after emptying for the working medium in hydrodynamic retarder active chamber until hydrodynamic retarder, under the thrust of Returnning spring, cover tooth-like clutch is pushed into initial disengaging configuration, complete being separated of hydrodynamic retarder rotor and jack shaft, complete the mask work of hydrodynamic retarder.
The invention has the beneficial effects as follows: 1, when hydrodynamic retarder in the present invention needs to enter working state, transmission component is engaged, thus rotor driven impeller produces braking moment.
2, in the present invention, hydrodynamic retarder is separated with transmission system when off working state, now there is not the heating and wearing and tearing that the High Rotation Speed because of rotor part brings in hydrodynamic retarder, also lubrication need not be carried out to bearing, therefore hydrodynamic retarder no longer needs to design separately idle lubrication cooling oil path, this simplify the internal structure of hydrodynamic retarder, reduce the complexity of complete machine, improve the life and reliability of complete machine.
3, the present invention adopts multi-plate friction clutch can transmit relatively large moment under less diameter dimension condition, can meet the requirement of the quick engaging process of hydrodynamic retarder.Because the braking torque produced during hydrodynamic retarder normal operation is very big, adopt cover gear coupling can meet the requirement of torque transmitting.
4, after the present invention adopts separable device, do not need to arrange hydrodynamic retarder idle lubrication and cooling oil path, this is compacter by what make hydrodynamic retarder design, reduces own wt simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Embodiment one: composition graphs 1 illustrates present embodiment, parallel hydraulic retarder with engaging and disengaging gear and a separation method thereof, it comprises brake axle 1, first control system 2, cover tooth-like clutch 3, overdrive gear axle 4, overdrive gear 5, friction clutch 6, friction clutch actuator 7, second control system 8, hydrodynamic retarder rotor 9, stator 10, hydrodynamic retarder control topping up mechanism 11, output shaft of gear-box 12, driving gear 13, brake shaft bearing 17, output shaft of gear-box bearing 18, first control valve 31, second control valve 30 and housing, brake axle 1 level is fixedly mounted in housing, first control valve 31 is connected with the first control system 2, second control valve 30 is connected with the second control system 8, first control system 2 and the second control system 8 are fixedly mounted on the periphery of the left end of brake axle 1, brake shaft bearing 17 is sleeved on brake axle 1 near the first control system 2 and the second control system 8, hydrodynamic retarder rotor 9 by spline package on brake axle 1, stator 10 is sleeved on brake axle 1, hydrodynamic retarder rotor 9 and stator 10 are oppositely arranged, and stator 10 is fixedly connected with inner walls, an active chamber is formed between rotor 9 and stator 10, hydrodynamic retarder is controlled topping up mechanism 11 and is communicated with active chamber by pipeline, cover tooth-like clutch 3 and friction clutch 6 suit are arranged on brake axle 1, overdrive gear axle 4 is sleeved on brake axle 1, overdrive gear 5 is sleeved on overdrive gear axle 4, and cover tooth-like clutch 3 and friction clutch 6 are separately positioned on the both sides of overdrive gear 5, friction clutch actuator 7 is sleeved on brake axle 1 near friction clutch 6, output shaft of gear-box bearing 18 is sleeved on output shaft of gear-box 12, output shaft of gear-box bearing 18 is arranged on housing, the center line of output shaft of gear-box 12 and the centerline parallel of brake axle 1 are arranged, driving gear 13 is sleeved on output shaft of gear-box 12, and driving gear 13 engages with overdrive gear 5 tooth.
After Structure Receive of the present invention to retarder brake signal, the second control system 8 starting friction clutch actuating mechanism 7, engages friction clutch 6 and drives brake axle 1 rotating speed to be increased to and overdrive gear axle 4 synchronous speed; Start cover tooth-like clutch pressure cylinder 3 and push jointing state, thus brake axle 1 is rigidly connected by overlapping gear coupling 16 with overdrive gear axle 4; When brake axle 1 and overdrive gear axle 4 are by after overlap gear coupling 16 and engaging, friction clutch 6 is separated by control friction clutch actuator 7.
Embodiment two: composition graphs 1 illustrates present embodiment, parallel hydraulic retarder with engaging and disengaging gear of present embodiment a kind of and separation method thereof, described friction clutch 6 is multi-plate friction clutch, control multi-plate friction clutch by hydraulic valve core to engage or be separated, other structure is identical with embodiment one.
In present embodiment, hydrodynamic retarder control system is after receiving the slow signal of cancellation braking, working medium in hydrodynamic retarder active chamber is first drained back to fuel tank by control system 11, and then gear coupling actuator 15 pressure oil release will be overlapped, under the effect of Returnning spring 14, cover gear coupling 16 is retracted into initial disengaging configuration, completes being separated of hydrodynamic retarder and jack shaft 12.
Embodiment three: composition graphs 1 illustrates present embodiment, parallel hydraulic retarder with engaging and disengaging gear of present embodiment a kind of and separation method thereof, described cover tooth-like clutch pressure cylinder 3 comprises Returnning spring 14, cover gear coupling actuator 15 and cover gear coupling 16, cover gear coupling actuator 15 is sleeved on gear coupling 16, Returnning spring 14 is sleeved in gear coupling actuator 15, brake axle 1 and overdrive gear 5 are processed with the arc external tooth matched with the internal tooth on internal tooth sleeve 16 respectively, other structure is identical with embodiment one.
Embodiment four: composition graphs 1 illustrates present embodiment, parallel hydraulic retarder with engaging and disengaging gear of present embodiment a kind of and separation method thereof, described brake axle 1 is processed with the first through hole 1-3 and the second through hole 1-4, one end of first through hole 1-3 is arranged on the left end of brake axle 1, the other end of the first through hole 1-3 is arranged near friction clutch actuator 7 on the periphery of brake axle 1, one end of second through hole 1-4 is arranged on the left end of brake axle 1, the other end of the second through hole 1-4 is arranged on the periphery of brake axle 1 near cover gear coupling actuator 15, other structure is identical with embodiment one.
Embodiment five: composition graphs 1 illustrates present embodiment, parallel hydraulic retarder with engaging and disengaging gear of present embodiment a kind of and separation method thereof, described brake axle 1 is processed with the first through hole 1-1 connected with the first through hole 1-3, brake axle 1 is processed with the second through hole 1-2 connected with the second through hole 1-4, other structure is identical with embodiment one.
Embodiment six: composition graphs 1 illustrates present embodiment, parallel hydraulic retarder with engaging and disengaging gear of present embodiment a kind of and separation method thereof, described first control system 2 is processed with first-class through hole 2-1, one end of first-class through hole 2-1 is arranged towards one end of the first through hole 1-1, second control system 8 is processed with second through hole 8-1, one end of second through hole 8-1 is arranged towards one end of the second through hole 1-2, and other structure is identical with embodiment four or five.
Embodiment seven: composition graphs 1 illustrates present embodiment, parallel hydraulic retarder with engaging and disengaging gear of present embodiment a kind of and separation method thereof, adopt device described in embodiment one, two, three, four, five or six to realize, specific implementation step is as follows:
Step one: the first control valve 31 connected in the first control system 2 promotes multi-plate friction clutch 6 and enters jointing state, overdrive gear 5 drives brake axle 1 and hydrodynamic retarder rotor 9 speedup to rotate by friction clutch 6;
Step 2: when progressively speedup is identical with the speed of overdrive gear 5 to rotating speed for brake axle 1 and hydrodynamic retarder rotor 9, second control system 8 is connected the second control valve 30 and cover tooth-like clutch 3 is pushed to engagement positio, and now overdrive gear and brake axle are engaged by the internal tooth sleeve 16 of cover tooth-like clutch;
Step 3: when overlapping tooth-like clutch 3 and entering engagement positio completely, overdrive gear 5 is connected by internal tooth sleeve 16 with the connection external tooth of brake axle 1 correspondence, now can close the first control valve 31 and is separated by multi-plate friction clutch 6;
Step 4: the second control system 8 closes the second control valve 30 of the second control system 8 at once after receiving cancellation retarder brake signal, topping up mechanism 11 is controlled by after emptying for the working medium in hydrodynamic retarder active chamber until hydrodynamic retarder, under the thrust of Returnning spring 14, cover tooth-like clutch 16 is pushed into initial disengaging configuration, complete being separated of hydrodynamic retarder rotor 9 and jack shaft 12, complete the mask work of hydrodynamic retarder.
Embodiment eight: composition graphs 1 illustrates present embodiment, parallel hydraulic retarder with engaging and disengaging gear of present embodiment a kind of and separation method thereof, the first control valve 31 in first control system 2 described in described step one connects friction clutch 6 and hydrodynamic retarder control topping up mechanism 11 carries out simultaneously, and other is identical with embodiment seven.
Working principle
Hydrodynamic retarder overdrive gear 5 and driving gear 13 are in engagement always, when off working state, brake axle 1, rotor 9 are in separated state with overdrive gear 5, brake axle 1 and hydrodynamic retarder rotor 9 do not rotate, even if therefore when running speed is very high, namely when overdrive gear 5 rotating speed is very high, hydrodynamic retarder rotor 9 still remains static, and can not produce any energy loss.
Engage when first hydrodynamic retarder control system when being entered working state by state of rest controls friction clutch 6, overdrive gear axle 4 drives brake axle 1 to rotate by friction clutch 6, when brake axle 1 rotating speed reaches the rotating speed identical with overdrive gear axle 4 within a short period of time, control system opens the second control valve 30, internal tooth sleeve 16 is pushed into engagement positio, external tooth corresponding on brake axle 1 and overdrive gear 5 is coupled together by internal tooth sleeve, then the first control valve 31 of the first control system 2 is closed, braking moment is delivered in Transmitted chains by rigidly connected cover tooth-like clutch 3 completely.
Necessary joint, topping up fast when hydrodynamic retarder receives retarder brake instruction, to reach the effect of auxiliary braking.Because hydrodynamic retarder rotor 9 inertia is very little, therefore when driving the time needed for brake axle 1 to synchronous speed very short by friction clutch 6; Hydrodynamic retarder is filled with gas in active chamber in a non-operative state, and the area of passage of the exhaust port in active chamber is usually less.In hydrodynamic retarder filling process, need working medium to be squeezed in active chamber, and the gas be originally full of in active chamber needs to discharge active chamber by exhaust port under the effect of ambient pressure, because the area of passage of exhaust port is less, the therefore time of Exhaust Gas length compared with friction clutch actuation time.So when receiving retarder brake signal, control the time of friction clutch 6 spool action and control the time not life period interval of hydrodynamic retarder active chamber topping up, namely the control time of the two is synchronous, continuous print.Reaction velocity faster can be reached by such control mode.
When hydrodynamic retarder will deactivate state, hydrodynamic retarder controls topping up mechanism 11 control ratio valve and is discharged by the pressurized gas in fuel tank, close the second control valve 30 of the second control system 8 simultaneously, because now hydrodynamic retarder rotor 9 still produces larger braking torque, therefore the thrust of Returnning spring 14 is less than the stiction that internal tooth sleeve 16 is subject to.After working medium remaining in the active chamber overwhelming majority is got rid of by hydrodynamic retarder rotor 9 impeller, forced back towards initial separated state at the trap internal tooth sleeve 16 of gear coupling 3 of the effect of Returnning spring 14.After this, brake axle 1 and hydrodynamic retarder rotor 9 move under self inertia, and under the impact of rotational resistance, rotating speed reduces gradually until stop operating.
Claims (8)
1. the parallel hydraulic retarder with engaging and disengaging gear, it is characterized in that: it comprises brake axle (1), first control system (2), cover tooth-like clutch (3), overdrive gear axle (4), overdrive gear (5), friction clutch (6), friction clutch actuator (7), second control system (8), hydrodynamic retarder rotor (9), stator (10), hydrodynamic retarder controls topping up mechanism (11), output shaft of gear-box (12), driving gear (13), brake shaft bearing (17), output shaft of gear-box bearing (18), first control valve (31), second control valve (30) and housing, brake axle (1) level is fixedly mounted in housing, first control valve (31) is connected with the first control system (2), second control valve (30) is connected with the second control system (8), first control system (2) and the second control system (8) are fixedly mounted on the periphery of the left end of brake axle (1), brake shaft bearing (17) is sleeved on brake axle (1) near the first control system (2) and the second control system (8), hydrodynamic retarder rotor (9) by spline package on brake axle (1), stator (10) is sleeved on brake axle (1), hydrodynamic retarder rotor (9) and stator (10) are oppositely arranged, and stator (10) is fixedly connected with inner walls, an active chamber is formed between rotor (9) and stator (10), hydrodynamic retarder is controlled topping up mechanism (11) and is communicated with active chamber by pipeline, cover tooth-like clutch (3) and friction clutch (6) suit are arranged on brake axle (1), overdrive gear axle (4) is sleeved on brake axle (1), overdrive gear (5) is sleeved on overdrive gear axle (4), and cover tooth-like clutch (3) and friction clutch (6) are separately positioned on the both sides of overdrive gear (5), friction clutch actuator (7) is sleeved on brake axle (1) near friction clutch (6), output shaft of gear-box bearing (18) is sleeved on output shaft of gear-box (12), output shaft of gear-box bearing (18) is arranged on housing, the center line of output shaft of gear-box (12) and the centerline parallel of brake axle (1) are arranged, driving gear (13) is sleeved on output shaft of gear-box (12), and driving gear (13) engages with overdrive gear (5) tooth.
2. a kind of parallel hydraulic retarder with engaging and disengaging gear according to claim 1, is characterized in that: described friction clutch (6) is multi-plate friction clutch.
3. a kind of parallel hydraulic retarder with engaging and disengaging gear according to claim 1, it is characterized in that: described cover tooth-like clutch (3) comprises Returnning spring (14), cover gear coupling actuator (15) and cover gear coupling (16), cover gear coupling actuator (15) is sleeved on gear coupling (16), Returnning spring (14) is sleeved in gear coupling actuator (15), brake axle (1) and overdrive gear (5) are processed with the arc external tooth matched with the internal tooth on internal tooth sleeve (16) respectively.
4. a kind of parallel hydraulic retarder with engaging and disengaging gear according to claim 1, it is characterized in that: described brake axle (1) is processed with the first through hole (1-3) and the second through hole (1-4), one end of first through hole (1-3) is arranged on the left end of brake axle (1), the other end of the first through hole (1-3) is arranged on the periphery of brake axle (1) near friction clutch actuator (7), one end of second through hole (1-4) is arranged on the left end of brake axle (1), the other end of the second through hole (1-4) is arranged on the periphery of brake axle (1) near cover gear coupling actuator (15).
5. a kind of parallel hydraulic retarder with engaging and disengaging gear according to claim 1, it is characterized in that: described brake axle (1) is processed with the first through hole (1-1) connected with the first through hole (1-3), brake axle (1) is processed with the second through hole (1-2) connected with the second through hole (1-4).
6. a kind of parallel hydraulic retarder with engaging and disengaging gear according to claim 4 or 5, it is characterized in that: described first control system (2) is processed with first-class through hole (2-1), one end of first-class through hole (2-1) is arranged towards one end of the first through hole (1-1), second control system (8) is processed with second through hole (8-1), one end of second through hole (8-1) is arranged towards one end of the second through hole (1-2).
7. utilize a separation method for a kind of parallel hydraulic retarder with engaging and disengaging gear described in claim 1,2,3,4,5 or 6, it is characterized in that: described method realizes according to following steps:
Step one: the first control valve (31) connected in the first control system (2) promotes multi-plate friction clutch (6) and enters jointing state, overdrive gear (5) drives brake axle (1) and hydrodynamic retarder rotor (9) speedup to rotate by friction clutch (6);
Step 2: when progressively speedup is identical with the speed of overdrive gear (5) to rotating speed for brake axle (1) and hydrodynamic retarder rotor (9), second control system (8) is connected the second control valve (30) and will be overlapped tooth-like clutch (3) and push to engagement positio, and now overdrive gear and brake axle are engaged by the internal tooth sleeve (16) of cover tooth-like clutch;
Step 3: when overlapping tooth-like clutch (3) and entering engagement positio completely, the connection external tooth that overdrive gear (5) is corresponding with brake axle (1) is connected by internal tooth sleeve (16), now can close the first control valve (31) and is separated by multi-plate friction clutch (6);
Step 4: the second control system (8) closes second control valve (30) of the second control system (8) at once after receiving cancellation retarder brake signal, topping up mechanism (11) is controlled by after emptying for the working medium in hydrodynamic retarder active chamber until hydrodynamic retarder, tooth-like clutch (16) will be overlapped be pushed into initial disengaging configuration under the thrust of Returnning spring (14), complete being separated of hydrodynamic retarder rotor (9) and jack shaft (12), complete the mask work of hydrodynamic retarder.
8. the separation method of a kind of parallel hydraulic retarder with engaging and disengaging gear according to claim 7, is characterized in that: the first control valve (31) in the first control system described in described step one (2) connects friction clutch (6) and hydrodynamic retarder control topping up mechanism (11) carries out simultaneously.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510604038.4A CN105202074B (en) | 2015-09-21 | 2015-09-21 | A kind of parallel hydraulic retarder and its separation method with arrangement of clutch |
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| CN201510604038.4A CN105202074B (en) | 2015-09-21 | 2015-09-21 | A kind of parallel hydraulic retarder and its separation method with arrangement of clutch |
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| CN105202074A true CN105202074A (en) | 2015-12-30 |
| CN105202074B CN105202074B (en) | 2017-10-03 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909753A (en) * | 2016-06-24 | 2016-08-31 | 潍柴动力股份有限公司 | Connecting structure of transmission and parallel hydrodynamic retarder |
| 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 |
| CN107314063A (en) * | 2017-08-28 | 2017-11-03 | 大连创思福液力偶合器成套设备有限公司 | One kind is arranged on braking hydraulic retarder in semi-mounted wheel rim |
| CN107472290A (en) * | 2017-08-10 | 2017-12-15 | 江苏今创车辆有限公司 | The control system of hydraulic braking |
| CN108883747A (en) * | 2016-03-24 | 2018-11-23 | 福伊特专利有限公司 | Integrated form rotor brake |
| CN110081099A (en) * | 2019-05-24 | 2019-08-02 | 苏州特速安机电科技有限公司 | A kind of fluid power deceleration device |
| CN113775724A (en) * | 2021-08-13 | 2021-12-10 | 山东泰鑫汽车科技有限公司 | Enhanced hydraulic retarder for commercial vehicle |
| CN114033817A (en) * | 2021-11-12 | 2022-02-11 | 北京科技大学 | Self-cooling hydraulic retarder for heavy vehicle |
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| CN101239616A (en) * | 2008-03-10 | 2008-08-13 | 江苏大学 | Hydraulic speed buffer structure capable of eliminating pumping loss |
| CN103407436A (en) * | 2013-08-28 | 2013-11-27 | 江苏理工学院 | Electromagnetic control type air loss energy consumption removing and low-speed performance improving device for hydrodynamic retarder |
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| DE2536805A1 (en) * | 1975-08-19 | 1977-02-24 | Gol Sojusnoje K Bjuro Avtobusa | Hydromechanical transmission for heavy vehicle - with hydraulic retarder at end of layshaft outside housing |
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| CN101239616A (en) * | 2008-03-10 | 2008-08-13 | 江苏大学 | Hydraulic speed buffer structure capable of eliminating pumping loss |
| CN103407436A (en) * | 2013-08-28 | 2013-11-27 | 江苏理工学院 | Electromagnetic control type air loss energy consumption removing and low-speed performance improving device for hydrodynamic retarder |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108883747A (en) * | 2016-03-24 | 2018-11-23 | 福伊特专利有限公司 | Integrated form rotor brake |
| 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 |
| CN105909753A (en) * | 2016-06-24 | 2016-08-31 | 潍柴动力股份有限公司 | Connecting structure of transmission and parallel hydrodynamic retarder |
| CN107472290A (en) * | 2017-08-10 | 2017-12-15 | 江苏今创车辆有限公司 | The control system of hydraulic braking |
| CN107314063A (en) * | 2017-08-28 | 2017-11-03 | 大连创思福液力偶合器成套设备有限公司 | One kind is arranged on braking hydraulic retarder in semi-mounted wheel rim |
| CN107314063B (en) * | 2017-08-28 | 2019-02-01 | 大连创思福液力偶合器成套设备有限公司 | One kind being mounted on braking hydraulic retarder in semi-mounted wheel rim |
| CN110081099A (en) * | 2019-05-24 | 2019-08-02 | 苏州特速安机电科技有限公司 | A kind of fluid power deceleration device |
| CN113775724A (en) * | 2021-08-13 | 2021-12-10 | 山东泰鑫汽车科技有限公司 | Enhanced hydraulic retarder for commercial vehicle |
| CN114033817A (en) * | 2021-11-12 | 2022-02-11 | 北京科技大学 | Self-cooling hydraulic retarder for heavy vehicle |
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| CN105202074B (en) | 2017-10-03 |
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