CN107314063B - One kind being mounted on braking hydraulic retarder in semi-mounted wheel rim - Google Patents
One kind being mounted on braking hydraulic retarder in semi-mounted wheel rim Download PDFInfo
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- CN107314063B CN107314063B CN201710752468.XA CN201710752468A CN107314063B CN 107314063 B CN107314063 B CN 107314063B CN 201710752468 A CN201710752468 A CN 201710752468A CN 107314063 B CN107314063 B CN 107314063B
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- oil
- gear
- cooler
- wheel rim
- bearing
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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
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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
- F16H—GEARING
- F16H41/00—Rotary fluid gearing of the hydrokinetic type
- F16H41/04—Combined pump-turbine units
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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
- F16H—GEARING
- F16H41/00—Rotary fluid gearing of the hydrokinetic type
- F16H41/24—Details
- F16H41/30—Details relating to venting, lubrication, cooling, circulation of the cooling medium
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Of Braking Force In Braking Systems (AREA)
- Braking Arrangements (AREA)
Abstract
One kind being mounted on braking hydraulic retarder in semi-mounted wheel rim, hydraulic retarder is fastened on wheel rim outer end face, cooler is mounted on wheel rim inner face but is fastened in Trailer axle, it is hydraulic retarder fuel feeding from vehicle fuel tank, with vehicle water tank cooling oil, pump impeller, rotational shell, ring gear is rotated with wheel rim, by bearing support in vehicle bridge, turbine is by bearing support in vehicle bridge, when braking, oil is full of working chamber, enter Hydraulic Cylinder piston driving gear II simultaneously to slide axially along spline, reset spring is stretched, gear II engages speedup with ring gear, it is driven through coaxial gear I with III external toothing of gear being fastened on turbine, make turbine accelerating and is reversely rotated with pump impeller；When stopping braking, cooling water pump, oil feed pump are shut down, and working chamber oil is empty, and hydraulic cylinder oil no pressure, reset spring draws gear II to retract, and gear II and ring gear disengage.The present invention has compact-sized；It is reversely rotated after turbine accelerating with pump impeller, the big advantage of braking moment.
Description
Technical field
The technology of the present invention relates generally to a kind of hydraulic power apparatus field, especially one kind and is mounted in semi-mounted wheel rim make
Employ hydraulic retarder.
Background technique
Due to the fast development of automotive engineering and the continuous improvement of road conditions, the travel speed of vehicle has also been obtained generally
Raising, so requirement of the people to vehicle safety is also higher and higher.Especially often travel on mountain area and ramp
Medium and heavy passenger-cargo carriage, sometimes will appear the excessive problem of brake load, if these brake loads are all by the normal of vehicle
Rule brake undertakes, and just will appear friction plate overheat, causes heat fading phenomenon, this will seriously affect the driving safety of vehicle, system
The traffic accident moving system down and causing is more and more.In addition for carrying trailer, since its structure is complicated, loading capacity
Greatly, inertia is big, if traffic accident has occurred in the process of moving, it will the normal operation of other vehicles on highway is influenced,
Cause more serious consequence.Therefore, in order to improve carrying trailer for a long time under heavy loads, especially when driving in long descending road conditions
Safety other than the braking system possessed by itself, should also install vehicle auxiliary braking system additional.Vehicle auxiliary braking system
The safety that heavy carrying trailer is travelled in long descending road conditions obviously can be improved.It is mounted with auxiliary braking system, just greatly
Alleviate itself braking system, the i.e. burden of brake-shoe and brake drum.Some researches show that, be mounted with auxiliary braking system with
Afterwards, the service life of brake-shoe and brake drum improves 50%, greatly reduces the cost of carrying trailer in transit.Fluid power is auxiliary
Helping braking is a kind of auxiliary braking mode that heavy truck and motorbus generally use, and main implementation is fluid power
The retarder brake of retarder.
The main structure of hydraulic retarder is the impeller of a pair of of arranged opposite, is rotor and stator respectively.Rotor usually and
The output shaft of retarder is connected and free movement, and stator is usually connected with retarder shell and fixed.Hydraulic retarder is logical
Crossing rotor rotation drives the oil liquid inside chamber to move, and after Oil shocking to fixed stator, kinetic energy is converted into thermal energy.Thermal energy
It is dispersed into atmosphere by the heat circulating system of retarder, is a kind of dissipative cell to generate braking action.
Hydraulic retarder is heavy secondary brake for vehicles the most universal, and advantage is as follows: being capable of providing bigger system
Kinetic moment is suitable for prolonged continuous braking, the comfort of automobile brake can be improved, and can be reduced the replacement frequency of driving friction plate
Rate and the environmental-protecting performance for improving automobile.
At the same time, there is also following disadvantages for hydraulic retarder: stopping power is poor when speed is lower, and there are certain pumps
Gas loss, increases integral vehicle cost because installing Retarder additional.
Due to the vehicle body length of carrying semitrailer, volume is big, load-carrying is big, and it is unstable existing that it is easy to appear braking in braking
As.Especially when downhill path is braked, due to vehicle center of gravity rearward, phenomena such as being easy to appear " folding " " snake ".Serious meeting
Appearance is tumbled and whipping phenomenon.The problems such as solving semi-trailer train snake, folding, it is desirable to semi-trailer train must be coordinated
Braking distribution between each axis.When three axis semi-trailer trains are braked, in order to avoid there is folding, snake phenomenon, optimal system
Dynamic method is that the front-wheel of tractor is first braked, then the rear service brake of trailer, the rear service brake of last tractor.Vehicle is being braked
When, tractor and trailer can generate collision and vibration unavoidably, and such mode of braking can be improved the stability of vehicle braking.It is whole
After the completion of vehicle braking, the best releasing sequence for releasing braking is that the rear-wheel of tractor first releases braking, then the front-wheel of tractor
Braking is released, last semitrailer wheel releases braking.The stationarity that vehicle braking can thus be improved, makes vehicle in braking process
In be in " being straightened " state.In order to make semitrailer also be able to maintain the state of straight line " being straightened ", auxiliary braking in lower long slope braking
Device at work, first ought to generate one " power dragged backward " from the rear of semitrailer.In this manner it is possible to greatly improve semi-mounted
Stability of the vehicle in down hill braking reduces the generation of the unsafe conditions such as snake, folding.
Hydraulic retarder of the invention is mounted in the wheel hub of semitrailer rear axle, positioned at the rear of semitrailer.Vehicle is in length
When descending needs to slow down, Retarder is started to work.Retarder can generate one " power dragged backward ", make semitrailer
Integral body keeps " being straightened " state, improves the stability of driving.
Pump impeller revolving speed is necessarily greater than secondary speed when hydraulic retarder works normally, i.e. its pump impeller and whirlpool in normal work
It there will necessarily be rotational speed difference between wheel.By the research to Fu Yite R133-2 type Retarder, it is found that its pump impeller revolving speed exists
Maximum braking moment is generated when 1200r/m.By calculating, when the speed per hour of automobile reaches 271km/h, the vehicle wheel rotational speed of trailer
It can be only achieved 1200r/m.National regulation heavy-duty trailer must not exceed the speed per hour of 90km/h, and trailer Retarder pump impeller will reach
The revolving speed of demand, the speed per hour of trailer are more than the regulation of safety traffic already.So trailer Retarder just needs to design one
Speed increasing mechanism improves the relative rotation speed of its pump impeller and turbine to reach requirement.
Hydraulic retarder of the invention pushes gear coupling to combine, after making turbine accelerating using reversing shaft by pressure oil
It is reversely rotated with pump impeller, is allowed to issue the quick flexible braking of biggish braking moment.
Summary of the invention
It is proposed of the invention, it is therefore an objective to develop a kind of novel hydraulic retarder, be mounted on the wheel rim of semitrailer, make half
Trailer energy gradual braking.
Such reality that the technical solution of the invention is as follows:
One kind being mounted on braking hydraulic retarder in semi-mounted wheel rim, including the water inlet of cooling water pump, oil feed pump, cooler
Mouth, cooler, wheel rim I, cooler oil outlet, wheel rim bearing, wheel rim II, hydraulic retarder, cooler oil inlet, cooler go out
The mouth of a river, retarder oil inlet, Trailer axle, the wheel rim I and wheel rim II are fastened together, and exist by wheel rim bearing support
In Trailer axle, it is characterised in that the hydraulic retarder is fastened on wheel rim outer end face, and cooler is mounted on wheel rim inner face
But it is fastened in Trailer axle, when braking, oil feed pump gives hydraulic retarder fuel feeding, liquid through retarder oil inlet from vehicle fuel tank pump oil
The oil return of power retarder enters cooler cooling through cooler oil inlet, returns to vehicle fuel tank, cooling water pump from cooler oil outlet
It is pumped from vehicle water tank and enters cooler through cooler water inlet for cooling medium, the water of heating returns to Che Shui through cooler water outlet
Case；The hydraulic retarder is by bearing I, working chamber oil supplying hole, fuel feed hole, pump impeller, bracket I, rotational shell, outage, tooth
Wheel I, reversing bearing I, spline, gear II, interior outer seal ring, reset spring, reversing bearing II, reversing shaft, oil cylinder oil inlet hole, storage
It is oil ring groove, oil cylinder oil supplying hole, bearing II, end cap, technique plug, fuel feeding long hole, bracket II, oil return long hole, oil return duct I, interior
Gear ring, oil return duct II, gear III, turbine, turbine bearing composition, pump impeller, rotational shell, ring gear are fastened together group
It at rotary components, is supported in Trailer axle by bearing I, bearing II, bracket I, bracket II, oil return duct I, oil return duct II are tight
In Trailer axle, turbine is supported in Trailer axle by turbine bearing for Guan County, forms working chamber with pump impeller, reversing shaft is by changing
It being supported on bracket I and bracket II to bearing I, reversing bearing II, gear I, gear II, spline are securedly mounted on reversing shaft,
Gear II can slide axially along spline, and disengage with ring gear, and the gear III and gear I for being securedly mounted to turbine rear end face are nibbled
It closes, the annular piston of II rear end of gear and the circular cylinder of bracket II form hydraulic cylinder, reseting spring sleeve by interior outer seal ring
On reversing shaft, reset spring one end is welded on II rear end face of gear, and the other end of reset spring is welded on reversing shaft, is leaned on
End cap compresses bearing and sealing, and Trailer axle end face is provided with fuel feeding long hole and oil return long hole, and is blocked with technique plug, and fuel feeding is long
Hole is connected to the working chamber oil supplying hole and oil cylinder oil supplying hole for being respectively provided with choke block, oil return long hole and oil return duct I, oil return duct
II, cooler oil inlet is connected to, when braking, through retarder oil inlet supply into oil enter fuel feeding long hole, a part passes through work
Chamber oil supplying hole enters working chamber through fuel feed hole, then is discharged outside chamber through outage, and oil is thrown to outside rotation with rotary components rotation centrifugation
Shell inner wall forms oil ring, returns to oil return long hole through oil return duct I, oil return duct II and imports cooler oil inlet, fuel feeding long hole supplies
Another part oil oil storage annular groove is entered by oil cylinder oil supplying hole, enter hydraulic cylinder through oil cylinder oil inlet hole, push piston driving tooth
Wheel II slides axially along spline, and reset spring is stretched, and gear II engages speedup with ring gear, through coaxial gear I and gear
III engaged transmission makes turbine accelerating and reversely rotates with pump impeller；When stopping braking, cooling water pump, oil feed pump are shut down, working chamber oil
Sky, hydraulic cylinder oil no pressure, reset spring draw gear II to retract, and gear II and ring gear disengage.
Compared with prior art, it is an advantage of the invention that it will be apparent that being mainly manifested in:
1, cooler of the present invention is also mounted in wheel rim, compact-sized.
2, internal-gear type shaft coupling clutch and speedup of the hydraulic retarder by hydraulic piston promotion, the gear on turbine are nibbled outside
The gear wheel reversing on reversing shaft is closed, is reversely rotated after turbine accelerating with pump impeller, stopping power is big.
Detailed description of the invention
The present invention shares 2 width of attached drawing.
Fig. 1 is structure of the invention schematic front view；
Fig. 2 is the final result enlarged view of the Retarder of Fig. 1.
In figure, 1, cooling water pump, 2, oil feed pump, 3, cooler water inlet, 4, cooler, 5, wheel rim I, 6, cooler it is fuel-displaced
Mouthful, 7, wheel rim bearing, 8, wheel rim II, 9, hydraulic retarder, 91, bearing I, 92, working chamber oil supplying hole, 93, fuel feed hole, 94, pump
Wheel, 95, bracket I, 96, rotational shell, 97, outage, 98, gear I, 99, reversing bearing I, 910, spline, 911, gear II,
912, interior outer seal ring, 913, reset spring, 914, reversing bearing II, 915, reversing shaft, 916, oil cylinder oil inlet hole, 917, oil storage
Annular groove, 918, oil cylinder oil supplying hole, 919, bearing II, 920, end cap, 921, technique plug, 922, fuel feeding long hole, 923, bracket II,
924, oil return long hole, 925, oil return duct I, 926, ring gear, 927, oil return duct II, 928, gear III, 929, turbine, 930,
Turbine bearing, 10, cooler oil inlet, 11, cooler water outlet, 12, retarder oil inlet, 13, Trailer axle.
Specific embodiment
One kind as shown in Figure 1 and Figure 2 is mounted on braking hydraulic retarder in semi-mounted wheel rim, including cooling water pump 1,
Oil feed pump 2, cooler water inlet 3, cooler 4, wheel rim I 5, cooler oil outlet 6, wheel rim bearing 7, wheel rim II 8, fluid power slow down
Device 9, cooler oil inlet 10, cooler water outlet 11, retarder oil inlet 12, Trailer axle 13, the wheel rim I 5 and wheel
Rim II 8 is fastened together, and is supported in Trailer axle 13 by wheel rim bearing 7, it is characterised in that the hydraulic retarder 9
Be fastened on wheel rim outer end face, cooler 4 is mounted on wheel rim inner face but is fastened in Trailer axle 13, when braking, oil feed pump 2 from
Vehicle fuel tank pump oil gives hydraulic retarder 9 fuel feeding through retarder oil inlet, the oil return of hydraulic retarder 9 through cooler oil inlet 10 into
It is cooling to enter cooler 4, returns to vehicle fuel tank from cooler oil outlet 6, cooling water pump 1 is pumped from vehicle water tank through cooler water inlet 3
It is cooling medium into cooler 4, the water of heating returns to vehicle water tank through cooler water outlet 11；The hydraulic retarder 9 by
Bearing I 91, fuel feed hole 93, pump impeller 94, bracket I 95, rotational shell 96, outage 97, gear I 98, changes working chamber oil supplying hole 92
To bearing I 99, spline 910, gear II 911, interior outer seal ring 912, reset spring 913, reversing bearing II 914, reversing shaft
915, oil cylinder oil inlet hole 916, oil storage annular groove 917, oil cylinder oil supplying hole 918, bearing II 919, end cap 920, technique plug 921, confession
Oily long hole 922, bracket II 923, oil return long hole 924, oil return duct I 925, ring gear 926, oil return duct II 927, gear III
928, turbine 929, turbine bearing 930 form, and pump impeller 94, rotational shell 96, ring gear 926, which are fastened together, forms rotation
Component is supported in Trailer axle 13 by bearing I 91, bearing II 919, and bracket I 95, oil return duct I 925, returns at bracket II 923
Oil-piping layout II 927 is securedly mounted in Trailer axle 13, and turbine 929 is supported in Trailer axle 13 by turbine bearing 930, with pump
94 composition working chamber of wheel, reversing shaft 915 are supported on bracket I 95 and bracket II 923 by reversing bearing I 99, reversing bearing II 914
On, gear I 98, gear II 911, spline 910 are securedly mounted on reversing shaft 915, and gear II 911 can be axial sliding along spline 910
It is dynamic, and disengaged with ring gear 926, the gear III 928 for being securedly mounted to 929 rear end face of turbine is engaged with gear I 98, gear II
The annular piston of 911 rear ends and the circular cylinder of bracket II 923 form hydraulic cylinder, reset spring 913 by interior outer seal ring 912
It covers on reversing shaft 915,913 one end of reset spring is welded on II 911 rear end face of gear, the other end weldering of reset spring 913
It connects on reversing shaft 915, compresses bearing and sealing by end cap 920,13 end face of Trailer axle is provided with fuel feeding long hole 922 and oil return is long
Hole 924, and blocked with technique plug 921, fuel feeding long hole 922 is supplied with the working chamber oil supplying hole 92 and oil cylinder for being respectively provided with choke block
Oilhole 918 is connected to, and oil return long hole 924 is connected to oil return duct I 925, oil return duct II 927, cooler oil inlet 10, is braked
When, through retarder oil inlet 12 for into oil enter fuel feeding long hole 922, a part is by working chamber oil supplying hole 92 through fuel feed hole 93
It is discharged outside chamber into working chamber, then through outage 97, oil is thrown to 96 inner wall of rotational shell with rotary components rotation centrifugation and forms oil
Ring returns to oil return long hole 924 through oil return duct I 925, oil return duct II 927 and imports cooler oil inlet 10, fuel feeding long hole 922
Another part oil of confession enters oil storage annular groove 917 by oil cylinder oil supplying hole 918, enters hydraulic cylinder through oil cylinder oil inlet hole 916, pushes
Piston driving gear II 911 slides axially along spline 910, and reset spring (913) is stretched, and gear II 911 is nibbled with ring gear 926
Speedup is closed, through coaxial III 928 engaged transmission of gear I 98 and gear, makes 929 speedup of turbine and is reversely rotated with pump impeller 94；Stop
When only braking, cooling water pump 1, oil feed pump 2 are shut down, and working chamber oil is empty, and hydraulic cylinder oil no pressure, reset spring 913 draws gear II
911 retract, and gear II 911 and ring gear 926 disengage.
Claims (1)
1. one kind is mounted on braking hydraulic retarder in semi-mounted wheel rim, including cooling water pump (1), oil feed pump (2), cooler
Water inlet (3), cooler (4), wheel rim I (5), cooler oil outlet (6), wheel rim bearing (7), wheel rim II (8), hydraulic retarder
(9), cooler oil inlet (10), cooler water outlet (11), retarder oil inlet (12), Trailer axle (13), the wheel
Rim I (5) and wheel rim II (8) are fastened together, and are supported on Trailer axle (13) by wheel rim bearing (7), it is characterised in that
The hydraulic retarder (9) is fastened on wheel rim outer end face, and cooler (4) is mounted on wheel rim inner face but is fastened on Trailer axle
(13) on, when braking, oil feed pump (2) gives hydraulic retarder (9) fuel feeding through retarder oil inlet from vehicle fuel tank pump oil, and fluid power slows down
The oil return of device (9) is cooling into cooler (4) through cooler oil inlet (10), returns to vehicle fuel tank from cooler oil outlet (6), cold
But water pump (1) is pumped from vehicle water tank enters cooler (4) through cooler water inlet (3) for cooling medium, and the water of heating is through cooling
Device water outlet (11) returns to vehicle water tank；The hydraulic retarder (9) is by bearing I (91), working chamber oil supplying hole (92), fuel feed hole
(93), pump impeller (94), bracket I (95), rotational shell (96), outage (97), gear I (98), reversing bearing I (99), spline
(910), gear II (911), interior outer seal ring (912), reset spring (913), reversing bearing II (914), reversing shaft (915),
Oil cylinder oil inlet hole (916), oil storage annular groove (917), oil cylinder oil supplying hole (918), bearing II (919), end cap (920), technique plug
(921), fuel feeding long hole (922), bracket II (923), oil return long hole (924), oil return duct I (925), ring gear (926), oil return
Conduit II (927), gear III (928), turbine (929), turbine bearing (930) composition, it is pump impeller (94), rotational shell (96), interior
Gear ring (926), which is fastened together, forms rotary components, is supported on Trailer axle (13) by bearing I (91), bearing II (919)
On, bracket I (95), bracket II (923), oil return duct I (925), oil return duct II (927) are securedly mounted to Trailer axle (13)
On, turbine (929) is supported on Trailer axle (13) by turbine bearing (930), forms working chamber, reversing shaft with pump impeller (94)
(915) it is supported on bracket I (95) and bracket II (923) by reversing bearing I (99), reversing bearing II (914), gear I (98),
Gear II (911), spline (910) are securedly mounted on reversing shaft (915), and gear II (911) can be axially sliding along spline (910)
It is dynamic, and disengaged with ring gear (926), the gear III (928) for being securedly mounted to turbine (929) rear end face is engaged with gear I (98),
The annular piston of gear II (911) rear end and the circular cylinder of bracket II (923) are hydraulic by interior outer seal ring (912) composition
Cylinder, reset spring (913) cover on reversing shaft (915), and reset spring (913) one end is welded on gear II (911) rear end face,
The other end of reset spring (913) is welded on reversing shaft (915), compresses bearing and sealing, Trailer axle by end cap (920)
(13) end face is provided with fuel feeding long hole (922) and oil return long hole (924), and is blocked with technique plug (921), fuel feeding long hole (922)
It is connected to the working chamber oil supplying hole (92) and oil cylinder oil supplying hole (918) for being respectively provided with choke block, oil return long hole (924) is led with oil return
Pipe I (925), oil return duct II (927), cooler oil inlet (10) connection, when braking, through retarder oil inlet (12) for into
Oil enters fuel feeding long hole (922), and a part enters working chamber through fuel feed hole (93) by working chamber oil supplying hole (92), then through oil extraction
Hole (97) is discharged outside chamber, and oil is thrown to rotational shell (96) inner wall with rotary components rotation centrifugation and forms oil ring, through oil return duct I
(925), oil return duct II (927) returns to oil return long hole (924) and imports cooler oil inlet (10), what fuel feeding long hole (922) supplied
Another part oil enters oil storage annular groove (917) by oil cylinder oil supplying hole (918), enters hydraulic cylinder through oil cylinder oil inlet hole (916), pushes away
Piston band moving gear II (911) slide axially along spline (910), reset spring (913) is stretched, gear II (911) with it is interior
Gear ring (926) engages speedup, through coaxial gear I (98) and gear III (928) engaged transmission, make turbine (929) speedup and with
Pump impeller (94) reversely rotates；When stopping braking, cooling water pump (1), oil feed pump (2) are shut down, and working chamber oil is empty, and hydraulic cylinder oil is without pressure
Power, reset spring (913) draw gear II (911) to retract, and gear II (911) and ring gear (926) disengage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710752468.XA CN107314063B (en) | 2017-08-28 | 2017-08-28 | One kind being mounted on braking hydraulic retarder in semi-mounted wheel rim |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710752468.XA CN107314063B (en) | 2017-08-28 | 2017-08-28 | One kind being mounted on braking hydraulic retarder in semi-mounted wheel rim |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107314063A CN107314063A (en) | 2017-11-03 |
| CN107314063B true CN107314063B (en) | 2019-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710752468.XA Active CN107314063B (en) | 2017-08-28 | 2017-08-28 | One kind being mounted on braking hydraulic retarder in semi-mounted wheel rim |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763194B (en) * | 2017-11-13 | 2024-04-19 | 中润海新能源汽车动力有限公司 | Working method of automobile speed reducer with efficient lubrication system |
| CN108775354B (en) * | 2018-06-11 | 2019-12-20 | 大连交通大学 | Magnetic retarder for braking vehicle mounted on driving shaft |
| CN109591843B (en) * | 2018-12-05 | 2020-07-03 | 中国煤炭科工集团太原研究院有限公司 | Explosion-proof type anti-running stopping device based on energy conversion |
| CN112354702B (en) * | 2020-10-31 | 2022-05-06 | 江苏琥啸换热设备有限公司 | Hydraulic centrifugal barrel rotating support shaft |
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| CN203111153U (en) * | 2013-01-30 | 2013-08-07 | 厦门宇龙机械有限公司 | Auxiliary braking device applied to non-driving axle |
| CN203500340U (en) * | 2013-10-15 | 2014-03-26 | 江苏理工学院 | Engine oil medium type hydraulic retarding device |
| CN103615520A (en) * | 2013-12-13 | 2014-03-05 | 宁波华盛汽车部件有限公司 | Device for connecting hydraulic retarder and reduction gearbox |
| CN104179924A (en) * | 2014-08-08 | 2014-12-03 | 洛阳雷斯达传动有限公司 | Hydraulic torque converter with flexible lock-out control function |
| CN105202074A (en) * | 2015-09-21 | 2015-12-30 | 哈尔滨工业大学 | Parallel type hydraulic retarder with clutch device and separation method of parallel type hydraulic retarder |
| CN205278174U (en) * | 2015-12-10 | 2016-06-01 | 陕西法士特齿轮有限责任公司 | Series connection hydraulic retarber |
| CN205315559U (en) * | 2015-12-18 | 2016-06-15 | 陕西航天动力高科技股份有限公司 | Take preceding retarber of wet clutch formula case |
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| CN107314063A (en) | 2017-11-03 |
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