CN104235235A - Wheel-side integrated hydraulic retarding and friction braking device for vehicle - Google Patents
Wheel-side integrated hydraulic retarding and friction braking device for vehicle Download PDFInfo
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- CN104235235A CN104235235A CN201410470624.XA CN201410470624A CN104235235A CN 104235235 A CN104235235 A CN 104235235A CN 201410470624 A CN201410470624 A CN 201410470624A CN 104235235 A CN104235235 A CN 104235235A
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- 230000000979 retarding effect Effects 0.000 title claims abstract description 22
- 238000001816 cooling Methods 0.000 claims description 34
- 239000002826 coolant Substances 0.000 claims description 29
- 230000008878 coupling Effects 0.000 claims description 18
- 238000010168 coupling process Methods 0.000 claims description 18
- 238000005859 coupling reaction Methods 0.000 claims description 18
- 230000005855 radiation Effects 0.000 claims description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 239000000110 cooling liquid Substances 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 230000008030 elimination Effects 0.000 claims description 3
- 238000003379 elimination reaction Methods 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007712 rapid solidification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The invention discloses a vehicle wheel-side integrated hydraulic retarding and friction braking device, which comprises a hydraulic retarder, a brake caliper body, a friction block group and a brake disc, wherein the hydraulic retarder is provided with a driving wheel, a fixed wheel and a shell, a retarding working cavity is arranged in the shell, the shell is arranged on a rear axle of a vehicle, the fixed wheel and the driving wheel are both arranged in the retarding working cavity, the fixed wheel is fixedly connected with the shell, the driving wheel is movably connected with a vehicle half shaft for connecting with a vehicle driving wheel, the brake caliper body is fixedly connected with the shell, the brake disc is fixedly connected on the vehicle half shaft, and the friction block group is arranged on the brake caliper body and matched with the brake disc so that when the brake caliper body is actuated by braking of the vehicle, the brake caliper body presses the friction block group to the brake disc to generate friction. The hydraulic retarder realizes the hydraulic retarding and friction braking functions of the driving wheel, and has compact structure and flexible control.
Description
Technical field
The present invention relates to the integrated hydrodynamic retarding of a kind of vehicle wheel limit formula and friction stopping device, belong to vehicle brake technology field.
Background technique
At present, medium-weight vehicle long-time continuous braking, high strength braking or when frequently braking, brake disc or break drum temperature can significantly raise, such that friction factor declines, the degree of wear increases the weight of, and occur Braking efficiency the part even dangerous heat fade phenomenon of total loss.Although the application of anti-blocking brake system (ABS), EBD (EBD) etc. improves stability and the reliability of car brakeing, they are very micro-to the heat fade phenomenon effect of break.At present, the passenger vehicle of the many countries comprising China more than clear stipulaties certain specification, lorry must install complemental brake system, the load of effective Split flow brake device, improve car brakeing Safety performance.Retarder is one of auxiliary brake of vehicle, mainly contains hydrodynamic retarder and electric eddy current retarder two kinds.Abroad, hydrodynamic retarder, due to advantages such as braking moment is large, energy consumption is low, good reliabilitys, instead of electric eddy current retarder substantially; At home, due to technology and cost, electric eddy current retarder is still leading products, but greatly develops hydrodynamic retarder and become inexorable trend.
Hydrodynamic retarder, also referred to as hydraulic retarder, be generally installed on before speed changer or, inside is provided with driving wheel and fixed wheel below, driving wheel is connected with hydrodynamic retarder input shaft, and fixed wheel is connected with hydrodynamic retarder housing.Transmission input shaft or output shaft drive hydrodynamic retarder input shaft to rotate, a certain amount of fluid is filled with as requested in active chamber during work, driving wheel drives fluid to rotate impact fixed wheel, a part of vehicle braking energy is changed into the heat energy of fluid, dissipated by cooling heat radiation system, realize the object of vehicle retarder brake, raising heat resistanceheat resistant decline performance.But, this hydrodynamic retarder acts on the retarder brake moment of each wheel can not independent regulation, and needing oil to-water heat exchanger and the connecting tube with engine-cooling system thereof, volume is comparatively large, high expensive, assembling relative difficulty, is unsuitable for the high quality integrating control with friction brake.
Summary of the invention
Technical problem to be solved by this invention is the defect overcoming prior art, provides the integrated hydrodynamic retarding of a kind of vehicle wheel limit formula and friction stopping device, it achieves the hydrodynamic retarding to driving wheel and friction catch function, compact structure, controls flexibly.
The present invention solves the problems of the technologies described above the technological scheme taked: the integrated hydrodynamic retarding of a kind of vehicle wheel limit formula and friction stopping device, it comprises hydrodynamic retarder, braking clamp body, brake pad group and brake disc, hydrodynamic retarder has driving wheel, fixed wheel and housing, slow active chamber is provided with in housing, housing is arranged on vehicle rear axle, fixed wheel and driving wheel are all arranged in slow active chamber, and fixed wheel is fixedly connected with housing, driving wheel is flexibly connected with the vehicle semiaxle for being connected driving wheel of vehicle, braking clamp body is fixedly connected with housing, brake disc is fixedly connected on vehicle semiaxle, brake pad group is arranged on braking clamp body, and when it matches with brake disc and makes braking clamp body action with convenient car brakeing, brake pad group is pressed to brake disc and produces the rotation of friction brake force obstruction driving wheel by braking clamp body.
In order to eliminate, energy consumption is damaged to the sky of hydrodynamic retarder further, described hydrodynamic retarder also has eliminates hydrodynamic retarder sky damage power consumption device, this elimination hydrodynamic retarder sky damages power consumption device and comprises epicyclic train, magnetic clutch and coupling sleeve, epicyclic train comprises planet carrier, sun gear, gear ring and multiple planetary pinion, planetary pinion is arranged between sun gear and gear ring, and be meshed with sun gear and gear ring respectively, gear ring is fixedly connected with described housing, planetary pinion is also arranged on planet carrier, this planet carrier is connected with vehicle semiaxle by magnetic clutch, sun gear is fixedly connected on coupling sleeve, described driving wheel is also fixedly connected on coupling sleeve, coupling sleeve can be rotated to support on vehicle semiaxle, magnetic clutch to be arranged between planet carrier with vehicle semiaxle so that by the joint of magnetic clutch or be separated the synchronous axial system that orders about planet carrier and vehicle semiaxle or relatively rotate.
Further in order to realize cooling to cooling medium in hydrodynamic retarder and heat radiation, described hydrodynamic retarder also has cooling heat radiation system, this cooling heat radiation system comprises pump, inlet pipeline, outlet conduit and radiator, the outlet of slow active chamber, outlet conduit, radiator, inlet pipeline and the import of slow active chamber are connected formation one cooling medium circulation loop successively, the running shaft of described pump is fixedly connected with coupling sleeve, and the pressure portion of pump is connected to pump work when engaging with convenient magnetic clutch in cooling medium circulation loop drives the cooling medium in cooling medium loop to flow.
Further in order to the water vapour in cooling medium circulation loop can be collected, meet the requirement to cooling medium liquid measure when hydrodynamic retarder works simultaneously, cooling medium loop is connected with compensation medium case.
Further in order to the filling amount of hydrodynamic retarder can be regulated, and then control the retarder brake torque of hydrodynamic retarder, cooling heat radiation system also comprises the inlet throttle control valve controlling cooling liquid discharge value in inlet pipeline and the outlet throttling control valve controlling cooling liquid discharge value in outlet conduit, described inlet throttle control valve is connected on inlet pipeline, and described outlet throttling control valve is connected on outlet conduit.
Further provide the concrete structure of a kind of inlet throttle control valve and/or outlet throttling control valve, inlet throttle control valve and/or outlet throttling control valve comprise motor, spool and screw body and have the valve body of circulation passage, motor is flexibly connected with spool by screw body, and spool is positioned at circulation passage and is moved at circulation passage by drive motor band movable valve plug thus change the flow area size of circulation passage.
Further in order to strengthen the heat dissipation potential of radiator, cooling heat radiation system also comprises temperature transducer and cooling fan, temperature transducer is arranged on the temperature of outlet port for use in induction cooling medium of slow active chamber, the exhaust outlet of cooling fan is just to radiator, and cooling fan and temperature transducer match and then to open cooling fan work when exceeding threshold value with convenient coolant temperature and when coolant temperature makes closedown cooling fan lower than threshold value.
Further provide a kind of concrete structure of magnetic clutch, described magnetic clutch comprises magnetic conductive disk, magnetic, magnetic room and can the drive coil of ABAP Adapter, magnetic conductive disk is solidly set on vehicle semiaxle, drive coil is arranged on position corresponding with magnetic conductive disk on planet carrier, magnetic is distributed in magnetic indoor, and magnetic room is between drive coil and magnetic conductive disk.
Further, described drive coil is connected with external power supply by electric devices, and this electric devices comprises slip ring, carbon brush and relay, and drive coil, slip ring, carbon brush and relay are connected with external power supply after being electrically connected mutually successively.
After have employed technique scheme, the present invention has following beneficial effect:
1, the present invention is integrated with hydrodynamic retarder and friction brake function, compact structure, and each driving wheel is all installed this device, makes the retarder brake moment of each driving wheel can independent regulation, is applicable to both high-quality Integrating controls strategies;
2, the present invention adopts independent radiation system, utilizes radiator heat-dissipation, and radiator can be installed on vehicle bottom, by vehicle bottom air flow radiating heat, eliminate oil to-water heat exchanger, do not need to change original engine cooling system, there is the advantages such as structure is simple, arrangement convenience, good heat dissipation effect;
3, the present invention by controlling the access of magnetic clutch and separating, thus can eliminate the sky damage energy consumption of hydrodynamic retarder effectively, provides effective retarder brake function;
4, pump of the present invention is driven by vehicle semiaxle, can utilize vehicle braking energy.
5, the present invention is by controlling outlet throttling control valve and inlet throttle control valve, thus controls the discharge value of outlet conduit and inlet pipeline respectively, thus provides vehicle retarder brake moment effectively.
Accompanying drawing explanation
Fig. 1 is the structural representation of medium-weight vehicle ransaxle of the present invention;
Fig. 2 is the structural representation of the integrated hydrodynamic retarding of vehicle wheel limit formula of the present invention and friction stopping device;
Fig. 3 is the structural representation of magnetic clutch of the present invention;
Fig. 4 is the structural representation of the cooling heat radiation system of hydrodynamic retarder of the present invention;
Fig. 5 is the structural representation of inlet throttle control valve of the present invention and outlet throttling control valve;
Fig. 6 is the schematic top plan view of radiator of the present invention.
Embodiment
In order to make content of the present invention more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation.
As shown in Fig. 1 ~ 6, a kind of integrated hydrodynamic retarding of vehicle wheel limit formula and friction stopping device, it comprises hydrodynamic retarder, braking clamp body 2-6, brake pad group 2-5 and brake disc 2-7, hydrodynamic retarder has driving wheel 2-1, fixed wheel 2-2 and housing, slow active chamber is provided with in housing, housing is arranged on vehicle rear axle 4, fixed wheel 2-2 and driving wheel 2-1 is all arranged in slow active chamber, and fixed wheel 2-2 is fixedly connected with housing, driving wheel 2-1 is flexibly connected with the vehicle semiaxle 3 for being connected driving wheel of vehicle 1, braking clamp body 2-6 is fixedly connected with housing, brake disc 2-7 is fixedly connected on vehicle semiaxle 3, brake pad group 2-5 is arranged on braking clamp body 2-6, and when it matches with brake disc 2-7 and makes braking clamp body 2-6 action with convenient car brakeing, brake pad group 2-5 is pressed to brake disc 2-7 generation friction brake force and hinders driving wheel 1 to rotate by braking clamp body 2-6.As shown in Figure 1, the integrated hydrodynamic retarding of vehicle wheel limit formula of the present invention and friction stopping device 2, main reducing gear 5 and transmission shaft 6, transmission shaft 6 is connected with vehicle semiaxle 3 after connecting main reducing gear 5, thus drives vehicle semiaxle 3 to rotate.
As shown in Figure 2, hydrodynamic retarder also has eliminates hydrodynamic retarder sky damage power consumption device, this elimination hydrodynamic retarder sky damages power consumption device and comprises epicyclic train, magnetic clutch 2-8 and coupling sleeve 2-12, epicyclic train comprises planet carrier 2-4, sun gear 2-11, gear ring 2-9 and multiple planetary pinion 2-10, planetary pinion 2-10 is arranged between sun gear 2-11 and gear ring 2-9, and be meshed with sun gear 2-11 and gear ring 2-9 respectively, gear ring 2-9 is fixedly connected with housing, planetary pinion 2-10 is also arranged on planet carrier 2-4, this planet carrier 2-4 is connected with vehicle semiaxle 3 by magnetic clutch 2-8, sun gear 2-11 is fixedly connected on coupling sleeve 2-12, driving wheel 2-1 is also fixedly connected on coupling sleeve 2-12, coupling sleeve 2-12 can be rotated to support on vehicle semiaxle 3, magnetic clutch 2-8 to be arranged between planet carrier 2-4 with vehicle semiaxle 3 so that by the joint of magnetic clutch 2-8 or be separated the synchronous axial system that orders about planet carrier 2-4 and vehicle semiaxle 3 or relatively rotate.When needs hydrodynamic retarder works, magnetic clutch 2-8 engages, and vehicle semiaxle 3 drives driving wheel 2-1 to rotate by magnetic clutch 2-8, planet carrier 2-4, planetary pinion 2-10, sun gear 2-11, coupling sleeve 2-12, realizes retarder brake function; When not needing hydrodynamic retarder to work, magnetic clutch 2-8 is separated, and interrupts vehicle semiaxle 3 and is connected with the power of planet carrier 2-4, and the sky effectively can eliminating hydrodynamic retarder damages energy consumption.During planetary gear train work, gear ring 2-9 fixes, and drives sun gear 2-11 to rotate, can improve driving wheel 2-1 rotating speed by planet carrier 2-4, expansion hydrodynamic retarder operating range.
As shown in Figure 4, hydrodynamic retarder also has cooling heat radiation system, this cooling heat radiation system comprises pump 2-3, inlet pipeline, outlet conduit and radiator 9, the outlet of slow active chamber, outlet conduit, radiator 9, inlet pipeline and the import of slow active chamber are connected formation one cooling medium circulation loop successively, the running shaft of pump 2-3 is fixedly connected with coupling sleeve 2-12, and the pressure portion of pump 2-3 is connected to cooling medium flowing when engaging with convenient magnetic clutch 2-8 in cooling medium circulation loop in pump 2-3 work drive cooling medium loop; As shown in Figure 4, cooling medium loop is connected with compensation medium case 7; As shown in Figure 4, cooling heat radiation system also comprises temperature transducer 12 and cooling fan 8, temperature transducer 12 is arranged on the temperature of outlet port for use in induction cooling medium of slow active chamber, the exhaust outlet of cooling fan 8 is just to radiator 9, and cooling fan 8 and temperature transducer 12 match and then to open cooling fan 8 when exceeding threshold value with convenient coolant temperature and work and work as coolant temperature and make closedown cooling fan 8 lower than threshold value; If oil liquid temperature reaches the CLV ceiling limit value of permission, then control unit restriction hydrodynamic retarder work, and remind driver to note by warning tutorial light or the sound.Compensation medium case 7 is installed on the below of vehicle tail, and comparatively radiator 9 grade is slightly high in position.Cooling fan 8, radiator 9 and venetian blind 10 connect as one, and are installed on the below of vehicle rear-side, are basically parallel to ground.When hydrodynamic retarder does not work, venetian blind 10 is closed, and reduces resistance of air; During hydrodynamic retarder work, venetian blind 10 is opened, and vehicle bottom air flows through radiator 9 and takes away fluid heat, if oil liquid temperature is still higher, then can starts cooling fan 8 and carry out forced heat radiation.The housing of pump 2-3 is fixedly connected with the housing of hydrodynamic retarder, and running shaft is fixedly connected with coupling sleeve 2-12, and when magnetic clutch 2-8 engages, pump 2-3 running shaft rotates with coupling sleeve 2-12, is pressed in slow active chamber by fluid.
As shown in Figure 4, cooling heat radiation system also comprises the inlet throttle control valve 13 controlling cooling liquid discharge value in inlet pipeline and the outlet throttling control valve 11 controlling cooling liquid discharge value in outlet conduit, inlet throttle control valve 13 is connected on inlet pipeline, and outlet throttling control valve 11 is connected on outlet conduit.Inlet throttle control valve 13 and outlet throttling control valve 11, for regulating the filling amount of hydrodynamic retarder, and then control the retarder brake torque of hydrodynamic retarder.Inlet throttle control valve 13 exports with radiator 9 and is connected, and cooling medium enters slow active chamber by it; Outlet throttling control valve 11 is connected with radiator 9 entrance, and the cooling medium after energy-absorbing heats up enters radiator 9 by it.If inlet throttle control valve 13 flow area is large, outlet throttling control valve 11 flow area is little, then the liquid filled ratio of hydrodynamic retarder is high, and braking moment is large; If inlet throttle control valve 13 flow area is little, outlet throttling control valve 11 flow area large, then the liquid filled ratio of hydrodynamic retarder is low, and braking moment is little.
As shown in Figure 5, inlet throttle control valve 13 and/or outlet throttling control valve 11 comprise motor 13-2, spool 13-3 and screw body and have the valve body 13-1 of circulation passage, motor 13-2 is flexibly connected with spool 13-3 by screw body, and spool 13-3 is positioned at circulation passage and is with movable valve plug 13-3 to move at circulation passage by drive motor 13-2 thus changes the flow area size of circulation passage.Control unit controls motor 13-2 as required and rotates, and is the rectilinear movement of spool 13-3 by screw body by the converting rotary motion of motor 13-2, and the flow area of inlet throttle control valve 13 is changed.
As shown in Figure 3, magnetic clutch 2-8 comprises magnetic conductive disk 2-8-5, magnetic 2-8-3, magnetic room and can the drive coil 2-8-2 of ABAP Adapter, magnetic conductive disk 2-8-5 is solidly set on vehicle semiaxle 3, drive coil 2-8-2 is arranged on position corresponding with magnetic conductive disk 2-8-5 on planet carrier 2-4, magnetic 2-8-3 is distributed in magnetic indoor, and magnetic room is between drive coil 2-8-2 and magnetic conductive disk 2-8-5.Magnetic clutch 2-8, by the energising of field coil 2-8-2 or power-off, realizes the joint of vehicle semiaxle 3 and planet carrier 2-4 or is separated.Field coil 2-8-2 is installed in planet carrier housing 2-8-1, be connected with power supply by carbon brush 2-8-4, slip ring, relay, magnetic field is produced around after obtaining power supply, planet carrier 2-4 is connected with vehicle semiaxle 3 by rolling bearing 2-8-6, both field coil 2-8-2 do not have electric current by time can freely rotate.Magnetic 2-8-3 is can magnetized 30 ~ 50 μm of steel fine-particle powders, field coil 2-8-2 do not have electric current by time, magnetic is not subject to magnetic fields, and hover ground is distributed in magnetic indoor, magnetic clutch 2-8 is separated state, and now planet carrier 2-4 and vehicle semiaxle 3 can freely rotate; When field coil 2-8-2 has electric current to pass through, magnetic 2-8-3 is rapid solidification under magnetic fields, holds up in chain by " loose " state, in magnetic field, form " solid magnetic linkage ", magnetic clutch 2-8 is jointing state, planet carrier 2-4 and vehicle semiaxle 3 is connected as one.Magnetic conductive disk 2-8-5 is connected with vehicle semiaxle 3 by spline, along with vehicle semiaxle 3 rotates together.When hydrodynamic retarder does not work, magnetic clutch 2-8 is separated, and vehicle semiaxle 3 can not drive driving wheel 2-1 to rotate, and the sky can eliminating hydrodynamic retarder damages energy consumption; During hydrodynamic retarder work, magnetic clutch 2-8 engages, and vehicle semiaxle 3 drives driving wheel 2-1 to rotate, and realizes vehicle retarder brake function.
Drive coil 2-8-2 is connected with external power supply by electric devices, and this electric devices comprises slip ring, carbon brush 2-8-4 and relay, and drive coil 2-8-2, slip ring, carbon brush 2-8-4 and relay are connected with external power supply after being electrically connected mutually successively.
Above-described specific embodiment; technical problem, technological scheme and beneficial effect that the present invention solves are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. the integrated hydrodynamic retarding of vehicle wheel limit formula and friction stopping device, it is characterized in that: it comprises hydrodynamic retarder, braking clamp body (2-6), brake pad group (2-5) and brake disc (2-7), hydrodynamic retarder has driving wheel (2-1), fixed wheel (2-2) and housing, slow active chamber is provided with in housing, housing is arranged on vehicle rear axle (4), fixed wheel (2-2) and driving wheel (2-1) are all arranged in slow active chamber, and fixed wheel (2-2) is fixedly connected with housing, driving wheel (2-1) is flexibly connected with the vehicle semiaxle (3) for being connected driving wheel of vehicle (1), braking clamp body (2-6) is fixedly connected with housing, brake disc (2-7) is fixedly connected on vehicle semiaxle (3), brake pad group (2-5) is arranged on braking clamp body (2-6), and when it matches with brake disc (2-7) and makes braking clamp body (2-6) action with convenient car brakeing, brake pad group (2-5) is pressed to brake disc (2-7) and produces friction brake force obstruction driving wheel (1) rotation by braking clamp body (2-6).
2. the integrated hydrodynamic retarding of vehicle wheel limit formula according to claim 1 and friction stopping device, it is characterized in that: described hydrodynamic retarder also has eliminates hydrodynamic retarder sky damage power consumption device, this elimination hydrodynamic retarder sky damages power consumption device and comprises epicyclic train, magnetic clutch (2-8) and coupling sleeve (2-12), epicyclic train comprises planet carrier (2-4), sun gear (2-11), gear ring (2-9) and multiple planetary pinion (2-10), planetary pinion (2-10) is arranged between sun gear (2-11) and gear ring (2-9), and be meshed with sun gear (2-11) and gear ring (2-9) respectively, gear ring (2-9) is fixedly connected with described housing, planetary pinion (2-10) is also arranged on planet carrier (2-4), this planet carrier (2-4) is connected with vehicle semiaxle (3) by magnetic clutch (2-8), sun gear (2-11) is fixedly connected on coupling sleeve (2-12), described driving wheel (2-1) is also fixedly connected on coupling sleeve (2-12), coupling sleeve (2-12) can be rotated to support on vehicle semiaxle (3), magnetic clutch (2-8) to be arranged between planet carrier (2-4) with vehicle semiaxle (3) so that by the joint of magnetic clutch (2-8) or be separated the synchronous axial system that orders about planet carrier (2-4) and vehicle semiaxle (3) or relatively rotate.
3. the integrated hydrodynamic retarding of vehicle wheel limit formula according to claim 2 and friction stopping device, it is characterized in that: described hydrodynamic retarder also has cooling heat radiation system, this cooling heat radiation system comprises pump (2-3), inlet pipeline, outlet conduit and radiator (9), the outlet of slow active chamber, outlet conduit, radiator (9), inlet pipeline and the import of slow active chamber are connected formation one cooling medium circulation loop successively, the running shaft of described pump (2-3) is fixedly connected with coupling sleeve (2-12), and the pressure portion of pump (2-3) is connected to pump (2-3) work when engaging with convenient magnetic clutch (2-8) in cooling medium circulation loop drives the cooling medium in cooling medium loop to flow.
4. the integrated hydrodynamic retarding of vehicle wheel limit formula according to claim 3 and friction stopping device, is characterized in that: described cooling medium loop is connected with compensation medium case (7).
5. the integrated hydrodynamic retarding of vehicle wheel limit formula according to claim 3 or 4 and friction stopping device, it is characterized in that: described cooling heat radiation system also comprises the inlet throttle control valve (13) controlling cooling liquid discharge value in inlet pipeline and the outlet throttling control valve (11) controlling cooling liquid discharge value in outlet conduit, described inlet throttle control valve (13) is connected on inlet pipeline, and described outlet throttling control valve (11) is connected on outlet conduit.
6. the integrated hydrodynamic retarding of vehicle wheel limit formula according to claim 5 and friction stopping device, it is characterized in that: described inlet throttle control valve (13) and/or outlet throttling control valve (11) comprise motor (13-2), spool (13-3) and screw body and have the valve body (13-1) of circulation passage, motor (13-2) is flexibly connected with spool (13-3) by screw body, spool (13-3) is positioned at circulation passage and is moved at circulation passage with movable valve plug (13-3) by drive motor (13-2) thus change the flow area size of circulation passage.
7. the integrated hydrodynamic retarding of vehicle wheel limit formula according to claim 3 or 4 and friction stopping device, it is characterized in that: described cooling heat radiation system also comprises temperature transducer (12) and cooling fan (8), temperature transducer (12) is arranged on the temperature of outlet port for use in induction cooling medium of slow active chamber, the exhaust outlet of cooling fan (8) is just to radiator (9), and cooling fan (8) and temperature transducer (12) match and then to open cooling fan (8) work when exceeding threshold value with convenient coolant temperature and when coolant temperature makes closedown cooling fan (8) lower than threshold value.
8. the integrated hydrodynamic retarding of vehicle wheel limit formula according to any one of claim 1 to 4 and friction stopping device, it is characterized in that: described magnetic clutch comprises magnetic conductive disk (2-8-5), magnetic (2-8-3), magnetic room and can the drive coil (2-8-2) of ABAP Adapter, magnetic conductive disk (2-8-5) is solidly set on vehicle semiaxle (3), drive coil (2-8-2) is arranged on the upper position corresponding with magnetic conductive disk (2-8-5) of planet carrier (2-4), magnetic (2-8-3) is distributed in magnetic indoor, and magnetic room is positioned between drive coil (2-8-2) and magnetic conductive disk (2-8-5).
9. the integrated hydrodynamic retarding of vehicle wheel limit formula according to claim 8 and friction stopping device, it is characterized in that: described drive coil (2-8-2) is connected with external power supply by electric devices, this electric devices comprises slip ring, carbon brush (2-8-4) and relay, and drive coil (2-8-2), slip ring, carbon brush (2-8-4) and relay are connected with external power supply after being electrically connected mutually successively.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110332258A (en) * | 2019-07-15 | 2019-10-15 | 上海交通大学 | Frictional damping and driving limit actuator |
CN113757273A (en) * | 2021-08-20 | 2021-12-07 | 北京工业大学 | Multi-piece friction-hydraulic composite brake support bridge |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4828079A (en) * | 1987-05-19 | 1989-05-09 | Akebono Brake Industry Co., Ltd. | Hydraulic retarder with parking brake |
JP2002087222A (en) * | 2000-09-18 | 2002-03-27 | Exedy Corp | Fluid type retarder |
CN101162031A (en) * | 2006-10-10 | 2008-04-16 | 崔晓光 | Automobile brake reducer |
CN202451665U (en) * | 2012-03-03 | 2012-09-26 | 陕西航天动力高科技股份有限公司 | Hydraulic retarder for mine vehicle |
CN203439005U (en) * | 2013-08-28 | 2014-02-19 | 江苏理工学院 | Electromagnetic control type device for eliminating air loss energy consumption and improving low-speed performance of hydrodynamic retarder |
CN203500340U (en) * | 2013-10-15 | 2014-03-26 | 江苏理工学院 | Engine oil medium type hydraulic retarder |
CN203713852U (en) * | 2013-10-15 | 2014-07-16 | 江苏理工学院 | Cooling liquid medium type hydraulic retarder for vehicle |
CN204061653U (en) * | 2014-09-16 | 2014-12-31 | 江苏理工学院 | Wheel-side integrated hydraulic retarding and friction braking device for vehicle |
-
2014
- 2014-09-16 CN CN201410470624.XA patent/CN104235235B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4828079A (en) * | 1987-05-19 | 1989-05-09 | Akebono Brake Industry Co., Ltd. | Hydraulic retarder with parking brake |
JP2002087222A (en) * | 2000-09-18 | 2002-03-27 | Exedy Corp | Fluid type retarder |
CN101162031A (en) * | 2006-10-10 | 2008-04-16 | 崔晓光 | Automobile brake reducer |
CN202451665U (en) * | 2012-03-03 | 2012-09-26 | 陕西航天动力高科技股份有限公司 | Hydraulic retarder for mine vehicle |
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