CN203500332U - Double-cavity fluid power decelerating device integrated on bottom of engine - Google Patents

Double-cavity fluid power decelerating device integrated on bottom of engine Download PDF

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Publication number
CN203500332U
CN203500332U CN201320635016.0U CN201320635016U CN203500332U CN 203500332 U CN203500332 U CN 203500332U CN 201320635016 U CN201320635016 U CN 201320635016U CN 203500332 U CN203500332 U CN 203500332U
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China
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engine
chamber
clutch
magnetic
output shaft
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CN201320635016.0U
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Chinese (zh)
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王奎洋
何仁
唐金花
许航
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Jiangsu University of Technology
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Jiangsu University of Technology
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Abstract

The utility model discloses a double-cavity fluid power decelerating device integrated on the bottom of an engine. The double-cavity fluid power decelerating device comprises a fluid power retarder and a control unit, wherein the fluid power retarder is mounted at the bottom of the engine, and provided with a decelerating working cavity, and the double-cavity fluid power decelerating device further comprises a concentrated output shaft, an inlet pipeline, an outlet pipeline, a pump, a backflow pipeline, an inlet throttle valve and an outlet throttle valve. The fluid power retarder is provided with two sets of moving wheel and fixed wheel devices which are arranged in the decelerating working cavity, each set of moving wheel and fixed wheel device comprises a moving wheel and a fixed wheel, an engine crank shaft is movably connected with the concentrated output shaft through a first transmission device, a main clutch is arranged between the first transmission device and the concentrated output shaft, and branch clutches are arranged between the moving wheel of the second set of moving wheel and fixed wheel device and the second corresponding transmission device. According to the device, a working solution of the engine is used as working media, empty loss energy consumption can be removed, the low-speed performance is improved, and the device provides the effective decelerating brake function.

Description

Be integrated in the two-chamber hydrodynamic retarding device of engine bottom
Technical field
The utility model relates to a kind of two-chamber hydrodynamic retarding device that is integrated in engine bottom, belongs to vehicle auxiliary braking technical field.
Background technique
When vehicle is braked or frequently brakes in long-time lasting braking, high strength, brake disc or brake drum temperature can significantly raise, and friction factor decline, the degree of wear are increased the weight of, and occur the even dangerous heat fade phenomenon of total loss of Braking efficiency part.Although the application of anti-blocking brake system (ABS), EBD (EBD) etc. has improved stability and the reliability of car brakeing, they are very micro-to the heat fade phenomenon effect of break.At present, complemental brake system must be installed by the many countries that comprise China clearly passenger vehicle more than regulation certain specification, lorry, and effectively the load of Split flow brake device, improves car brakeing Safety performance.Retarder is one of auxiliary brake of vehicle, mainly contains two kinds of hydrodynamic retarder and electric eddy current retarders.Abroad, hydrodynamic retarder, due to advantages such as braking moment is large, energy consumption is low, good reliabilitys, has replaced electric eddy current retarder substantially; At home, due to technology and cost, electric eddy current retarder is still leading products, but greatly develop hydrodynamic retarder, has become inexorable trend.
Hydrodynamic retarder, also referred to as hydraulic retarder, is generally installed on before speed changer or, inside is provided with driving wheel and fixed wheel below, and 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, during work, in active chamber, be filled with as requested a certain amount of fluid, driving wheel drives fluid to rotate impact fixed wheel, a part of vehicle braking energy is changed into the heat energy of fluid, by cooling heat radiation system, dissipate, realize the object that heat resistanceheat resistant decline performance was braked, improved to vehicle slowly.At present, hydrodynamic retarder generally adopts fluid as working medium, be provided with a special oil to-water heat exchanger, high-temperature oil liquid enters heat exchanger by liquid outlet pipeline, in heat exchanger, transfer heat to engine coolant, again by engine-cooling system by dissipation of heat in atmosphere, the fluid after cooling is got back in hydrodynamic retarder by pipeline.But this hydrodynamic retarder needs the oil to-water heat exchanger that volume is larger and the long coolant duct being connected with engine-cooling system thereof, increased volume, quality, cost and the assembling difficulty of hydrodynamic retarding device.
Adopt aqueous medium formula hydrodynamic retarding device, can cancel traditional oil to-water heat exchanger, overcome the deficiency in fluid formula hydraulic speed buffer structure principle.In the existing automobile-used aqueous medium formula hydrodynamic retarding device relevant information that can inquire about, with the maximally related technology of the utility model be the aqueous medium formula hydrodynamic retarder that is installed on engine crankshaft front portion of VOITH company exploitation.But because the installing space of motor front portion is limited, the size of above-mentioned hydrodynamic retarder is restricted, the braking moment that can produce is relatively little, and its sky damages energy consumption and low-speed performance does not improve.Comparatively speaking, engine bottom free space is larger, and close with engine-cooling system, is convenient to the layout of coolant duct, less to the original transmission system change of vehicle, is suitable for installing hydrodynamic retarding device.But, to so far, be installed on engine bottom water quality formula two-chamber hydrodynamic retarder and also rarely have and mention.
Summary of the invention
Technical problem to be solved in the utility model is the defect that overcomes prior art, a kind of two-chamber hydrodynamic retarding device that is integrated in engine bottom is provided, it has at least two group driving wheels and fixed wheel device, take engine coolant as working medium, volume is little, quality is light, cost is low, compact structure, easy for installation, can eliminate the empty energy consumption of damaging, improve low-speed performance, effectively slow braking function is provided.
The utility model solves the problems of the technologies described above the technological scheme of taking: a kind of two-chamber hydrodynamic retarding device that is integrated in engine bottom, comprise hydrodynamic retarder and control unit, hydrodynamic retarder is installed on the bottom of motor, and hydrodynamic retarder has slow active chamber, it also comprises concentrated output shaft, inlet pipeline, outlet conduit, pump, the inlet throttle valve of cooling liquid discharge value and the speed control muffler of controlling cooling liquid discharge value in outlet conduit in reflux line and control inlet pipeline, hydrodynamic retarder has at least two group driving wheels and fixed wheel device and is arranged in slow active chamber, every group of driving wheel and fixed wheel device comprise driving wheel and fixed wheel, engine crankshaft is flexibly connected with concentrated output shaft mutually by the first transmission device, and be provided with total clutch between the first transmission device and concentrated output shaft, this concentrated output shaft is flexibly connected with the driving wheel of fixed wheel device with every group of driving wheel mutually by the second transmission device respectively, and be provided with a minute clutch between the driving wheel of first group of driving wheel and remaining driving wheel fixed wheel device and fixed wheel device and corresponding the second transmission device, the outlet end of described reflux line, inlet pipeline, slow active chamber, the liquid feeding end of outlet conduit and reflux line is connected successively and forms a circulation loop, pump is connected in inlet pipeline, and the rotor of pump is fixedly connected with concentrated output shaft, circulation loop is also connected with engine cooling sap cavity, described inlet throttle valve is connected on inlet pipeline, described speed control muffler is connected on outlet conduit, and described inlet throttle valve, speed control muffler, total clutch is connected with control unit phase control respectively with a minute clutch.
Further in order to solve cooling liquid heat dissipation problem, also comprise engine heat dissipating device, between described outlet conduit and the liquid feeding end of reflux line, be communicated with the thermostat that can respond to coolant temperature, this thermostat also has an outlet end, and this outlet end is back to inlet pipeline after being communicated with engine heat dissipating device.
In order further to collect the water vapour in circulation loop, the requirement to cooling liquid measure simultaneously while meeting hydrodynamic retarder work, also comprises cooling liquid compensation box, and one end of this cooling liquid compensation box is connected with outlet conduit, and the other end is connected with inlet pipeline.
Pressure for cooling liquid in further limiting inlet pipeline; hydrodynamic retarder and pipeline thereof are played a protective role; on described cooling liquid compensation box, be connected with relief valve, the other end of this relief valve is connected on the connecting pipeline between inlet tube pipeline pump and slow active chamber.
Further, described total clutch and a minute clutch are multidisc clutch or magnetic clutch.
Further, a described minute clutch is magnetic-powder-type magnetic clutch, this minute clutch comprises magnetic conductive disk, magnetic, magnetic chamber and drive coil that can ABAP Adapter, magnetic conductive disk is arranged on the second corresponding transmission device, drive coil is arranged on position corresponding with magnetic conductive disk on corresponding driving wheel, it is indoor that magnetic is distributed in magnetic, and magnetic chamber is between drive coil and magnetic conductive disk.
Further, described drive coil is connected with external power supply by electrical assembly, and this electrical assembly 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.
Further, described inlet throttle valve and/or speed control muffler comprise motor, spool and screw body and the valve body that has circulation passage, motor is flexibly connected with spool by screw body, motor is connected with control unit phase control, thereby spool is positioned at circulation passage and by drive motor band movable valve plug, at circulation passage, moves the flow area size that changes circulation passage.
Further, the first described transmission device comprises driving gear, driven gear and driven gear shaft, driving gear is sleeved on engine crankshaft, driven gear is sleeved on driven gear shaft, driving gear is meshed with driven gear, and described total clutch is arranged between driven gear shaft and concentrated output shaft.
Further, the second described transmission device is bevel-gear sett, the second transmission device comprises initiative taper generating gear, driven angular wheel and hydrodynamic retarder input shaft, initiative taper generating gear is sleeved on to be concentrated on output shaft, driven angular wheel is sleeved on hydrodynamic retarder input shaft, and hydrodynamic retarder input shaft is connected with corresponding driving wheel.
Adopted after technique scheme, the utlity model has following beneficial effect:
1, the utility model adopts engine coolant as the working medium of hydrodynamic retarder, has cancelled long coolant duct, does not need the regular service of changing oil, and has that volume is little, quality is light, cost is low, compact structure and an advantage such as easy to assembly;
2, hydrodynamic retarder of the present utility model is installed on engine bottom, has larger arrangement space, can meet the size requirement of hydrodynamic retarder;
3, the utility model and motor share an engine heat dissipating device and cooling fan, have cancelled the oil to-water heat exchanger of traditional hydrodynamic retarder, and volume is little, simple in structure;
4, the utlity model has two driving wheels and fixed wheel device, by control unit, be provided with normal and strengthen two mode of operations, improve low-speed performance, provide effective vehicle slow braking moment;
5, the utility model can pass through control the access of total clutch and separate, thereby effectively eliminates the sky damage energy consumption of hydrodynamic retarder;
6, the utility model also contributes to the rapid warming-up of motor or temperature to improve.
Accompanying drawing explanation
Fig. 1 is the structural representation that is integrated in the two-chamber hydrodynamic retarding device of engine bottom of the present utility model;
Fig. 2 is the structural representation of a kind of structure of of the present utility model minute clutch;
Fig. 3 is the structural representation of speed control muffler of the present utility model and inlet throttle valve.
Embodiment
For content of the present utility model is more easily expressly understood, according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail below.
As shown in Fig. 1 ~ 3, a kind of two-chamber hydrodynamic retarding device that is integrated in engine bottom, comprise hydrodynamic retarder and control unit, hydrodynamic retarder is installed on the bottom of motor 8, and hydrodynamic retarder has slow active chamber 34, it also comprises concentrates output shaft 18, inlet pipeline 35, outlet conduit 36, pump 20, the inlet throttle valve 22 of reflux line 37 and the interior cooling liquid discharge value of control inlet pipeline 35 and the speed control muffler 10 of controlling the interior cooling liquid discharge value of outlet conduit 36, hydrodynamic retarder has at least two group driving wheels and fixed wheel device and is arranged in slow active chamber 34, every group of driving wheel and fixed wheel device comprise driving wheel 16 and fixed wheel 11, engine crankshaft 6 is flexibly connected with concentrated output shaft 18 mutually by the first transmission device, and between the first transmission device and concentrated output shaft 18, be provided with total clutch 21, this concentrated output shaft 18 is flexibly connected with the driving wheel 16 of fixed wheel device with every group of driving wheel mutually by the second transmission device respectively, and be provided with minute clutch 13 between the driving wheel 16 of first group of driving wheel and remaining driving wheel fixed wheel device and fixed wheel device and corresponding the second transmission device, the outlet end of reflux line 37, inlet pipeline 35, slow active chamber 34, the liquid feeding end of outlet conduit 36 and reflux line 37 is connected successively and forms a circulation loop, pump 20 is connected in inlet pipeline 35, and the rotor of pump 20 is fixedly connected with concentrated output shaft 18, circulation loop is also connected with engine cooling sap cavity 38, inlet throttle valve 22 is connected on inlet pipeline 35, speed control muffler 10 is connected on outlet conduit 36, and inlet throttle valve 22, speed control muffler 10, total clutch 21 is connected with control unit phase control respectively with a minute clutch 13.Fixed wheel 11 is connected with hydrodynamic retarder housing respectively, and hydrodynamic retarder housing and engine body are bolted to connection.Wherein, pump 20 can be fixedly connected on engine body, and its rotor is fixedly connected with concentrated output shaft 18, concentrates output 18 to drive pump 20 rotors to rotate.Inlet throttle valve 22 and speed control muffler 10 are for regulating the filling amount of hydrodynamic retarder, and then the slow retarding torque of control hydrodynamic retarder.Flywheel 9 is installed on engine crankshaft 6.
Also comprise engine heat dissipating device 2, between the liquid feeding end of outlet conduit 36 and reflux line 37, be communicated with the thermostat 3 that can respond to coolant temperature, this thermostat 3 also has an outlet end, and this outlet end is back to inlet pipeline 35 after being communicated with engine heat dissipating device 2.
On engine heat dissipating device 2, be provided with cooling fan 1.
Also comprise cooling liquid compensation box 7, one end of this cooling liquid compensation box 7 is connected with outlet conduit 36, and the other end is connected with inlet pipeline 35.Cooling liquid compensation box 7 is for collecting the water vapour in circulation loop, the requirement to cooling liquid measure simultaneously while meeting hydrodynamic retarder work.
On cooling liquid compensation box 7, be connected with relief valve 19, the other end of this relief valve 19 is connected on the connecting pipeline between pump 20 on inlet pipeline 35 and slow active chamber 34.This relief valve 19, for the pressure of limiting inlet pipeline 35 interior cooling liquids, plays a protective role to hydrodynamic retarder and pipeline thereof.
The first transmission device comprises driving gear 24, driven gear 23 and driven gear shaft 23-1, driving gear 24 is sleeved on engine crankshaft 6, driven gear 23 is sleeved on driven gear shaft 23-1, driving gear 24 is meshed with driven gear 23, and total clutch 21 is arranged between driven gear shaft 23-1 and concentrated output shaft 18.In the crankshaft pulley 4 of engine crankshaft 6, install a driving gear 24 above additional, itself and driven gear 23 engagements drive driven gear shaft 23-1 rotation, when total clutch 21 engages, engine crankshaft 6 is driven and is concentrated the rotor of output shaft 18 and pump 20 to rotate by driving gear 24, driven gear 23, driven gear shaft 23-1 and total clutch 21, for this two-chamber hydrodynamic retarding device provides the cooling liquid with certain pressure.
The second transmission device is bevel-gear sett, the second transmission device comprises initiative taper generating gear 14, driven angular wheel 17 and hydrodynamic retarder input shaft 17-1, initiative taper generating gear 14 is sleeved on to be concentrated on output shaft 18, it is upper that driven angular wheel 17 is sleeved on hydrodynamic retarder input shaft 17-1, and hydrodynamic retarder input shaft 17-1 is connected with corresponding driving wheel 16.
Total clutch 21 and a minute clutch 13 are multidisc clutch or magnetic clutch.Multidisc clutch compresses by coolant pressure or unclamps steel disc and friction plate, realizes joint or the separation of connect two parts; Magnetic clutch, by energising or the power-off of electromagnetic coil, is realized joint or the separation of connect two parts; In the present embodiment, total clutch 21 is for connecting driven gear shaft 23-1 and concentrated output shaft 18, and minute clutch 13 is for connecting the driving wheel 16 and hydrodynamic retarder input shaft 17-1 after second group of driving wheel and fixed wheel device.When total clutch 21 engages, engine crankshaft 6 drives concentrates output shaft 18 rotations, concentrates output shaft 18 to drive the driving wheel 16 of first group of driving wheel and fixed wheel device to rotate; When a minute clutch 13 also engages, concentrate output shaft 18 also to drive the driving wheel of other groups and the driving wheel 16 of fixed wheel device to rotate simultaneously.
Dividing clutch 13 is magnetic-powder-type magnetic clutch, this minute clutch 13 comprises magnetic conductive disk 28, magnetic 26, magnetic chamber 39 and drive coil 25 that can ABAP Adapter, magnetic conductive disk 28 is arranged on the second corresponding transmission device, drive coil 25 is arranged on position corresponding with magnetic conductive disk 28 on corresponding driving wheel 16, magnetic 26 is distributed in magnetic chamber 39, and magnetic chamber 39 is between drive coil 25 and magnetic conductive disk 28.Drive coil 25 is connected with external power supply by electrical assembly, and this electrical assembly comprises slip ring, carbon brush 27 and relay, and drive coil, slip ring, carbon brush 27 and relay are connected with external power supply after being electrically connected mutually successively.By realizing its connection that connects two parts or separation to field coil 25 power supplies or power-off.Minute clutch 13 of take is example, and field coil 25 produces magnetic field around after obtaining power supply.Driving wheel 16 is bearing on hydrodynamic retarder input shaft 17-1 by rolling bearing 30, both can freely not rotate when field coil 25 has electric current to pass through, magnetic 26 is can magnetized 30~50 μ m steel fine-particle powders, when field coil 25 does not have electric current to pass through, magnetic 26 is not subject to magnetic fields, it is indoor that hover ground is distributed in magnetic, and a minute clutch 13 is separated state, and now corresponding driving wheel 16 can freely rotate with corresponding hydrodynamic retarder input shaft 17-1; When field coil 25 has electric current to pass through, magnetic 26 is rapid solidification under magnetic fields, by " loose " state, hold up and be chain, in magnetic field, form " solid magnetic linkage ", dividing clutch 13 is jointing state, this driving wheel 16 is connected as one with this hydrodynamic retarder input shaft 17-1, and magnetic conductive disk 28 is connected with hydrodynamic retarder input shaft 17-1 by spline, and along with hydrodynamic retarder input shaft, 17-1 rotates together.
Inlet throttle valve 22 and/or speed control muffler 10 comprise motor 32, spool 33 and screw body and the valve body 31 that has circulation passage 31-1, motor 32 is flexibly connected with spool 33 by screw body, motor 32 is connected with control unit phase control, thereby spool 33 is positioned at circulation passage 31-1 and by drive motor 32, with movable valve plug 33, at circulation passage 31-1, move the flow area size that changes circulation passage 31-1.Control unit is controlled as required motor 32 and is rotated, and by screw body, rotatablely moving of motor 32 is changed into the traveling priority of spool 33, and the flow area of inlet throttle valve 22 or speed control muffler 10 is changed.Through the cooled cooling liquid of engine heat dissipating device 2, by inlet throttle valve 22, by pump 20, compress into slow active chamber 34; Speed control muffler 10 is connected with engine coolant outlet and thermostat 3, cooling liquid in hydrodynamic retarder flows to thermostat 3 together with in-engine cooling liquid, if the flow area of inlet throttle valve 22 is large, the flow area of speed control muffler 10 is little, the liquid filled ratio of hydrodynamic retarder is high, and braking moment is large; If inlet throttle valve 22 flow areas are little, speed control muffler 10 flow areas are large, the liquid filled ratio of hydrodynamic retarder is low, and braking moment is little.
As shown in Figure 1, the driving wheel of the present embodiment and fixed wheel device have two groups, and when total clutch 21 engages, a minute clutch 13 is broken as normal mode state, and when total clutch 21 engages, a minute clutch 13 is enhancement mode state while also engaging.
Working principle of the present utility model is as follows:
In operator cabin, being provided with a hydrodynamic retarder mode of operation selector switch is used for driving control unit and changes the mode of operation of hydrodynamic retarder, it comprises normal and two working staties of reinforcement, driver determines the mode of operation of hydrodynamic retarder by this mode selection switch, if be chosen as normal mode state, now total clutch 21 engages, engine crankshaft 6 is by driving gear 24, it is that slow active chamber 34 is supplied with cooling liquid that driven gear 23 drives pump 20 rotation works, concentrate output shaft 18 to drive the driving wheel 16 of first group of driving wheel and fixed wheel device to rotate simultaneously, realize slow braking function.When the speed of a motor vehicle is lower or vehicle needs large braking moment slowly, driver can be chosen as enhancement mode state, now total clutch 21 all engages with a minute clutch 13, concentrate output shaft 18 to drive the driving wheel 16 of two groups of driving wheels and fixed wheel device to rotate simultaneously, two groups of driving wheels and fixed wheel device are worked simultaneously, and the slow braking moment of hydrodynamic retarder increases.
When hydrodynamic retarder is worked, control unit regulates the flow area of inlet throttle valve 22 and speed control muffler 10 according to driver's operational order and sensor signal, controls filling amount and the slow braking moment of hydrodynamic retarder.
When vehicle does not need to brake slowly, total clutch 21 is all separated with minute clutch 13, driven gear shaft 23-1 and concentrated output shaft 18 can freely rotate mutually, and engine crankshaft 6 can not drive driving wheel 16 separately to rotate, and the sky that can effectively eliminate hydrodynamic retarder damages energy consumption.
When coolant temperature is lower, engine-cooling system is in short circle state, pump 20 work, cooling liquid is by inlet throttle valve 22, through pump 20, enter slow active chamber 34, by speed control muffler 10, by thermostat 3, got back to again the water inlet of inlet throttle valve 22, so constantly circulation, coolant temperature raises fast.When coolant temperature is higher, engine-cooling system is in major cycle state, pump 20 work, cooling liquid is by inlet throttle valve 22, through pump 20, enter slow active chamber 34, then by thermostat 3, enter engine heat dissipating device 2 by speed control muffler 10, through the cooled cooling liquid of engine heat dissipating device 2, get back to the water inlet of inlet throttle valve 22, so constantly circulation, the dissipation of heat that hydrodynamic retarder is produced by slow braking is in atmosphere.
When motor is in cold post-start or temperature when lower, control unit can make one or two clutch engage, and hydrodynamic retarding device is worked, and the kinetic energy of motor or vehicle is changed into the heat energy of cooling liquid, coolant temperature rises rapidly, and rapid warming-up or the temperature of being convenient to motor improve.
Above-described specific embodiment; technical problem, technological scheme and beneficial effect that the utility model is solved further describe; institute is understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (10)

1. a two-chamber hydrodynamic retarding device that is integrated in engine bottom, comprise hydrodynamic retarder and control unit, hydrodynamic retarder is installed on the bottom of motor (8), and hydrodynamic retarder has slow active chamber (34), it is characterized in that: it also comprises concentrated output shaft (18), inlet pipeline (35), outlet conduit (36), pump (20), the inlet throttle valve (22) of reflux line (37) and the interior cooling liquid discharge value of control inlet pipeline (35) and the speed control muffler (10) of controlling the interior cooling liquid discharge value of outlet conduit (36), hydrodynamic retarder has at least two group driving wheels and fixed wheel device and is arranged in slow active chamber (34), every group of driving wheel and fixed wheel device comprise driving wheel (16) and fixed wheel (11), engine crankshaft (6) is flexibly connected with concentrated output shaft (18) mutually by the first transmission device, and be provided with total clutch (21) between the first transmission device and concentrated output shaft (18), this concentrated output shaft (18) is flexibly connected with the driving wheel (16) of fixed wheel device with every group of driving wheel mutually by the second transmission device respectively, and be provided with a minute clutch (13) between the driving wheel (16) of first group of driving wheel and remaining driving wheel fixed wheel device and fixed wheel device and corresponding the second transmission device, the outlet end of described reflux line (37), inlet pipeline (35), slow active chamber (34), the liquid feeding end of outlet conduit (36) and reflux line (37) is connected successively and forms a circulation loop, pump (20) is connected in inlet pipeline (35), and the rotor of pump (20) is fixedly connected with concentrated output shaft (18), circulation loop is also connected with engine cooling sap cavity (38), described inlet throttle valve (22) is connected on inlet pipeline (35), described speed control muffler (10) is connected on outlet conduit (36), and described inlet throttle valve (22), speed control muffler (10), total clutch (21) is connected with control unit phase control respectively with a minute clutch (13).
2. the two-chamber hydrodynamic retarding device that is integrated in engine bottom according to claim 1, it is characterized in that: also comprise engine heat dissipating device (2), between the liquid feeding end of described outlet conduit (36) and reflux line (37), be communicated with the thermostat (3) that can respond to coolant temperature, this thermostat (3) also has an outlet end, and this outlet end is back to inlet pipeline (35) after being communicated with engine heat dissipating device (2).
3. the two-chamber hydrodynamic retarding device that is integrated in engine bottom according to claim 1, it is characterized in that: also comprise cooling liquid compensation box (7), one end of this cooling liquid compensation box (7) is connected with outlet conduit (36), and the other end is connected with inlet pipeline (35).
4. the two-chamber hydrodynamic retarding device that is integrated in engine bottom according to claim 3, it is characterized in that: on described cooling liquid compensation box (7), be connected with relief valve (19), the other end of this relief valve (19) is connected on the connecting pipeline between the upper pump (20) of inlet pipeline (35) and slow active chamber (34).
5. the two-chamber hydrodynamic retarding device that is integrated in engine bottom according to claim 1, is characterized in that: described total clutch (21) and a minute clutch (13) are multidisc clutch or magnetic clutch.
6. the two-chamber hydrodynamic retarding device that is integrated in engine bottom according to claim 5, it is characterized in that: a described minute clutch (13) is magnetic-powder-type magnetic clutch, this minute clutch (13) comprise magnetic conductive disk (28), magnetic (26), magnetic chamber (39) and drive coil (25) that can ABAP Adapter, magnetic conductive disk (28) is arranged on the second corresponding transmission device, drive coil (25) is arranged on the upper position corresponding with magnetic conductive disk (28) of corresponding driving wheel (16), magnetic (26) is distributed in magnetic chamber (39), and magnetic chamber (39) are positioned between drive coil (25) and magnetic conductive disk (28).
7. the two-chamber hydrodynamic retarding device that is integrated in engine bottom according to claim 6, it is characterized in that: described drive coil (25) is connected with external power supply by electrical assembly, this electrical assembly comprises slip ring, carbon brush (27) and relay, and drive coil, slip ring, carbon brush (27) and relay are connected with external power supply after being electrically connected mutually successively.
8. the two-chamber hydrodynamic retarding device that is integrated in engine bottom according to claim 1, it is characterized in that: described inlet throttle valve (22) and/or speed control muffler (10) comprise motor (32), spool (33) and screw body and the valve body (31) that has circulation passage (31-1), motor (32) is flexibly connected with spool (33) by screw body, motor (32) is connected with control unit phase control, spool (33) is positioned at circulation passage (31-1) and is with movable valve plug (33) at circulation passage (31-1) thereby the mobile flow area size that changes circulation passage (31-1) by drive motor (32).
9. the two-chamber hydrodynamic retarding device that is integrated in engine bottom according to claim 1, it is characterized in that: the first described transmission device comprises driving gear (24), driven gear (23) and driven gear shaft (23-1), driving gear (24) is sleeved on engine crankshaft (6), driven gear (23) is sleeved on driven gear shaft (23-1), driving gear (24) is meshed with driven gear (23), and described total clutch (21) is arranged between driven gear shaft (23-1) and concentrated output shaft (18).
10. the two-chamber hydrodynamic retarding device that is integrated in engine bottom according to claim 1, it is characterized in that: the second described transmission device is bevel-gear sett, the second transmission device comprises initiative taper generating gear (14), driven angular wheel (17) and hydrodynamic retarder input shaft (17-1), initiative taper generating gear (14) is sleeved on concentrated output shaft (18), it is upper that driven angular wheel (17) is sleeved on hydrodynamic retarder input shaft (17-1), and hydrodynamic retarder input shaft (17-1) is connected with corresponding driving wheel (16).
CN201320635016.0U 2013-10-15 2013-10-15 Double-cavity fluid power decelerating device integrated on bottom of engine Withdrawn - After Issue CN203500332U (en)

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Application Number Priority Date Filing Date Title
CN201320635016.0U CN203500332U (en) 2013-10-15 2013-10-15 Double-cavity fluid power decelerating device integrated on bottom of engine

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Application Number Priority Date Filing Date Title
CN201320635016.0U CN203500332U (en) 2013-10-15 2013-10-15 Double-cavity fluid power decelerating device integrated on bottom of engine

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103498883A (en) * 2013-10-15 2014-01-08 江苏理工学院 Double-cavity hydraulic retarding device integrated at bottom of engine
CN112576654A (en) * 2020-12-14 2021-03-30 扬州大学 Novel pipeline hydraulic retarder

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103498883A (en) * 2013-10-15 2014-01-08 江苏理工学院 Double-cavity hydraulic retarding device integrated at bottom of engine
CN103498883B (en) * 2013-10-15 2015-11-18 江苏理工学院 Be integrated in the two-chamber hydrodynamic retarding device of engine bottom
CN112576654A (en) * 2020-12-14 2021-03-30 扬州大学 Novel pipeline hydraulic retarder

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