CN213808720U - Vehicle axle with hydraulic retarder - Google Patents

Abstract

The utility model discloses a vehicle axle with a hydraulic retarder, which comprises an axle, a tire, a differential mechanism and a hydraulic retarder, wherein the axle comprises a left half shaft and a right half shaft, the differential mechanism comprises a driving bevel gear, a driven bevel gear, a planetary gear and a differential mechanism shell, and the hydraulic retarder comprises a rotor; the differential is characterized in that a planetary gear of the differential is meshed and connected with a driving bevel gear, a left half shaft and a right half shaft of a vehicle are continuously rotated by the rotation of an axle tire of the vehicle to drive the planetary gear to rotate, the driving bevel gear rotates to drive a driven bevel gear meshed with the driving bevel gear to rotate, a rotating shaft extension section of the driven bevel gear penetrates through a differential shell and then is directly connected with a rotating shaft or a rotating shaft extension section of a rotor of a hydraulic retarder, and the rotating shaft extension section of the driven bevel gear rotates to drive the rotor to rotate, so that the hydraulic retarder works. When the vehicle needs to be braked, the braking force generated by the hydraulic retarder is controlled to directly act on the axle, and braking torque is generated to act on the rotor to decelerate the rotor, so that the braking capability of the vehicle is improved.

Description

Vehicle axle with hydraulic retarder

Technical Field

The utility model relates to a vehicle axle and trailer axle structure, concretely relates to vehicle axle structure.

Background

With the rapid development of ground transportation systems and highway networks, trailers or semi-trailers are becoming faster and larger. Traffic accidents of the trailers are often caused by poor braking performance, so that the braking safety performance of the trailers gets more and more attention, and how to improve the braking performance of the trailers becomes an urgent problem to be solved.

The trailer and the tractor mostly adopt standard air brake, the generation and the removal of air pressure in a standard air brake system pipeline are slow, so that a series of problems of low brake efficiency, corresponding slow brake, long brake fade time and the like generally exist in a trailer brake system, and the brake strength of the trailer is lower than that of the tractor due to the fact that the brake response time of the trailer is lower than that of the tractor and the brake efficiency of the trailer is low, so that the phenomena of folding and tail flicking frequently occur in the brake process, and the driving direction is suddenly changed due to the mutual collision between the tractor and the semitrailer. The brake system can avoid the brake failure of the vehicle when the temperature of the vehicle brake system is too high due to the frequent use and braking of the vehicle when the vehicle descends a slope, and traffic accidents are caused. This phenomenon often results in the loss of personnel and property through disastrous traffic accidents.

The axle of the hydraulic retarder can be used for heavy truck commercial vehicles, passenger cars, traveling buses, school buses, dangerous goods freight vehicles, special engineering vehicles, various military equipment vehicles and the like, can reduce the braking by 80-90%, can reduce the frequency of 90% of stepping on the brake, the clutch and the gearbox for engaging gears, and can reduce 90% of traffic accidents caused by brake failure (10 more than ten thousand people die each year, 20 more than ten thousand people and hundreds of millions of people's life and property losses caused by the current traffic accidents). The hydraulic retarder axle is an intelligent whole machine product integrating machinery, electricity, gas, oil, liquid, a controller, (ECU) control wire harnesses, an operating handle, various high-sensitivity sensors, a proportional valve, a one-way valve, a heat exchanger and the like into a whole, can be jointly braked together with engine braking, exhaust braking and the like, does not need a water tank water sprayer arranged on a frame by a soil method to reduce the temperature of a braking system, and at present, a plurality of domestic documents prohibit an automobile from using the water tank water sprayer for braking, and road traffic accidents are frequent because the automobile uses the water tank water sprayer for braking to cause the road surface to be slippery and icy.

Hydrodynamic retarder axle hand dial switch is on steering wheel the right, divide into 6 and keep off: the gear 0 is closed, the gear 1 is a constant speed gear, the gear is called a cruise gear and a constant speed gear on a downhill (if a gearbox is hung at the gear 9, the constant speed is 50 kilometers), the gear 2 is 25% of the maximum retarding torque, the gear 3 is 50% of the maximum retarding torque, the gear 4 is 75% of the maximum retarding torque, and the gear 5 is 100% of the maximum retarding torque, namely the hydraulic retarder enables a through shaft of a rotor connecting differential to decelerate by working oil in a reverse direction, and the effect is better when the vehicle speed is faster by more than 40-60 kilometers. The hydraulic retarder axle is also assisted to independently undertake deceleration braking and shift gears conveniently. If the emergency situation in the front occurs, a finger on the right side of the steering wheel is slightly pulled, the steering wheel can be directly pulled from the 1-gear or the two-gear and the like to the 5-gear for 100 percent of speed reduction, and the combined braking can be realized by simultaneously stepping on the brake. The traffic accident can be avoided in the shortest distance.

The hydraulic retarder can bear most of braking load when an automobile runs, so that the temperature rise of the wheel brake is greatly reduced to ensure that the wheel brake is in a good working state, and further potential safety hazards such as failure of the vehicle brake, failure of a traditional brake, tire burst and the like are relieved or avoided. The retarder can provide strong braking torque in a quite wide rotating speed range, low-speed performance is good, when the vehicle speed is 30 kilometers per hour, the retarder can also provide retarding braking, and when the vehicle speed reaches 40 kilometers per hour, the retarder can achieve the maximum braking torque.

Disclosure of Invention

The utility model aims at solving the defect of present vehicle and trailer in the braking, providing a take vehicle axle of hydraulic retarber, integrated hydraulic retarber on the axle to improve the security performance of vehicle and trailer in the braking.

The utility model aims at realizing the vehicle axle with the hydrodynamic retarder, which comprises an axle, a differential mechanism, the hydrodynamic retarder and an air friction type brake, wherein the axle comprises a left half shaft and a right half shaft, the differential mechanism comprises a driving bevel gear, a driven bevel gear, a planetary gear and a differential mechanism shell, the driven bevel gear is provided with a driven bevel gear rotating shaft, and the hydrodynamic retarder comprises a rotor, a stator and a retarder shell; the method is characterized in that: the differential mechanism shell is fixedly connected with a retarder shell of the retarder, a planetary gear of the differential mechanism is meshed with a driving bevel gear, an axle tire of a vehicle rotates to enable a left half shaft and a right half shaft to continuously rotate to drive the planetary gear to rotate, the planetary gear rotates to enable the driving bevel gear to rotate, the driving bevel gear drives a driven bevel gear meshed with the driving bevel gear to rotate, a rotating shaft extension section on a rotating shaft of the driven bevel gear is rotatably connected with the differential mechanism shell through another bearing, a rotating shaft extension section of the driven bevel gear penetrates through the differential mechanism shell and then is directly connected with a rotating shaft or a rotating shaft extension section of a rotor of the hydraulic retarder, and the rotating shaft extension section of the driven bevel gear rotates to enable the rotor to rotate so that the hydraulic retarder works.

Furthermore, a through shaft penetrates through two sides of the differential case and is in rotating connection with the differential case through a bearing, a through shaft gear is mounted on the through shaft in the differential case, a driven gear is mounted on a rotating shaft extension section of a driven bevel gear in the differential case, a driven gear mounted on the rotating shaft extension section of the driven bevel gear is in meshing connection with the through shaft gear mounted on the through shaft, a cylindrical belt pulley is mounted on the through shaft exposed outside the differential case, the driven gear on the rotating shaft extension section of the driven bevel gear can drive the through shaft gear on the through shaft to rotate, the through shaft gear drives the through shaft to rotate, the through shaft drives the cylindrical belt pulley to rotate, the cylindrical belt pulley can drive the generator to work with the water pump, and the generator and the water pump work to independently dissipate heat of the hydraulic retarder.

The utility model aims at realizing the vehicle axle with the hydrodynamic retarder, which comprises an axle, a differential mechanism, the hydrodynamic retarder and an air friction type brake, wherein the axle comprises a left half shaft and a right half shaft, the differential mechanism comprises a driving bevel gear, a driven bevel gear, a planetary gear and a differential mechanism shell, the driven bevel gear is provided with a driven bevel gear rotating shaft, and the hydrodynamic retarder comprises a rotor, a stator and a retarder shell; the method is characterized in that: the differential case is fixedly connected with the retarder case of the retarder, a planetary gear of the differential is meshed with a drive bevel gear, an axle of a vehicle rotates to enable a left half shaft and a right half shaft to rotate continuously to drive the planetary gear to rotate, the planetary gear rotates to enable the drive bevel gear to rotate, the drive bevel gear drives a driven bevel gear meshed with the drive bevel gear to rotate, the driven gear is arranged on a rotating shaft extension section of a rotating shaft of the driven bevel gear in the differential case, a through shaft penetrates through two sides of the differential case and is connected with the differential case through a bearing in a rotating mode, a large gear or an upper gear and a lower gear are arranged on a through shaft in the differential case, a rotating shaft of a rotor of the hydraulic retarder is provided with a rotating shaft extension section, a gear is arranged on a section, penetrating through shaft, of the rotating shaft extension section of the rotor of the hydraulic retarder penetrates through the differential case, and is meshed with the large gear arranged on the through shaft or the upper gear in the upper gear and the lower gear, a driven gear arranged on a rotating shaft extension section of a driven bevel gear of the differential case is in meshed connection with a large gear arranged on a through shaft or a lower gear of an upper gear and a lower gear; the rotation of the driven gear on the rotating shaft extension section of the driven bevel gear can drive the large gear or the upper and lower gears on the through shaft to rotate, the rotation of the large gear or the upper and lower gears drives the gears on the rotating shaft extension section of the hydraulic retarder to rotate, and the rotation of the gears enables the rotor to rotate, so that the hydraulic retarder works.

Furthermore, a cylindrical belt pulley is arranged on a through shaft exposed out of one side of the differential case, the large gear or the upper gear and the lower gear rotate to drive the through shaft to rotate, the through shaft rotates to drive the cylindrical belt pulley to rotate, the cylindrical belt pulley rotates to drive the generator and the water pump to work, and the generator and the water pump are mainly used for radiating heat of an independent radiator of the hydraulic retarder.

Furthermore, a through shaft exposed outside the other side of the differential case is connected with a transmission shaft through a spline disc, and the transmission shaft can be connected with a gearbox.

After receiving the braking signal, the hydraulic retarder is started to generate braking torque, so that the braking response time of a vehicle axle is the same as that of the tractor, and the braking intensity of the trailer is unchanged from that of the trailer; when the vehicle runs down a slope, after the sliding speed reaches a certain value, a hydraulic system of the hydraulic retarder is started, so that the braking force generated by the hydraulic retarder is just balanced with the component force of the gravity of the trailer along the road surface, and the vehicle speed is kept stable and unchanged at the value.

The utility model adopts the above technical scheme after, the beneficial effect of production is:

1. the utility model discloses integrated the auxiliary brake function that hydraulic retarder has on vehicle and trailer axle, can make vehicle braking distance shorter, can be used for replacing ordinary vehicle axle, when vehicle and trailer need brake, control hydraulic retarder action, the braking force that makes hydraulic retarder produce directly is used in the vehicle axle, it makes the rotor slow down to produce braking torque and act on the rotor of hydraulic retarder, vehicle braking ability has been improved, can avoid the trailer to produce when the braking folding, get rid of the tail, sideslip, dangerous condition such as brake failure.

2. The utility model discloses a rationally confirm that differential mechanism's driven bevel gear and hydraulic retarber's the pivot of rotor rotate and to compare the braking efficiency who makes hydraulic retarber reaches the biggest, improved vehicle performance, the utility model discloses when vehicle and trailer travel with average speed, can make hydraulic retarber rotor speed give the highest operating speed who is less than hydraulic retarber all the time, when the automobile braking, hydraulic retarber is prolonged at the interval time of work of high efficiency, has improved the utilization ratio of the energy when having increased braking efficiency.

3. The utility model discloses still be equipped with the through shaft, the through shaft passes differential mechanism shell both sides and just rotates through bearing and differential mechanism shell to be connected. One end of the through shaft penetrates through the differential case and is provided with a cylindrical belt pulley, the cylindrical belt pulley rotates to drive the generator and the water pump to work, and the generator and the water pump are mainly used for radiating heat of an independent radiator of the hydraulic retarder.

4. The utility model discloses still can be connected to the transmission shaft through the spline dish at the through shaft that exposes outside differential mechanism shell another side, the gearbox can be connected to the transmission shaft.

Drawings

Fig. 1 is an assembly view of the structure of a vehicle axle with a hydrodynamic retarder according to the present invention.

Fig. 2 is a schematic structural diagram of the engagement of the driving bevel gear and the driven bevel gear, the engagement of the rotating shaft extension section of the driven bevel gear and the lower gear on the through shaft gear, and the engagement of the upper gear on the through shaft gear and the gear on the rotating shaft extension section of the rotor of the hydrodynamic retarder in fig. 1.

Fig. 3 is another structure assembly diagram of the vehicle axle with the hydrodynamic retarder of the present invention.

Fig. 4 is a schematic structural diagram of the engagement between the driving bevel gear and the driven bevel gear, and the direct combination between the driven gear on the extension section of the rotating shaft of the driven bevel gear and the rotating shaft of the rotor of the hydrodynamic retarder in fig. 3.

In the figure: the hydraulic retarder comprises an axle 1, a left half shaft 2, a differential case 3, a driving bevel gear 4, another bearing 5, a driven bevel gear 6, a right half shaft 7, a planetary gear shaft 8, a hydraulic retarder 9, a rotor 10, a stator 11, a retarder case 12, a through shaft 13, a cylindrical belt pulley 14, a through shaft gear 15, one-side bearings 16, the other-side bearings 17, a driven gear 18, a rotating shaft 19, a gear 20, a spline disc 21, an upper gear 22 and a lower gear 23.

Detailed Description

The invention is described in further detail below with reference to the following figures and embodiments:

example 1

As shown in fig. 1 and 2, a vehicle axle with a hydrodynamic retarder comprises an axle 1, a differential, a hydrodynamic retarder and two air friction brakes, wherein the axle comprises a left half shaft 2 and a right half shaft 7, the differential comprises a driving bevel gear 4, a driven bevel gear 6, a planetary gear 8 and a differential housing 3, the driven bevel gear 6 is provided with a driven bevel gear rotating shaft, and the hydrodynamic retarder 9 comprises a rotor 10, a stator 11 and a retarder housing 12; the differential case 3 is fixedly connected with a retarder case 12 of the retarder, a planetary gear 8 of the differential is meshed with a driving bevel gear 4, when an axle tire of a vehicle normally runs, a left half shaft 2 and a right half shaft 7 continuously rotate to drive the differential to rotate, so that the planetary gear 8 is driven to rotate to drive the driving bevel gear 4 to rotate, the driving bevel gear 4 drives a driven bevel gear 6 meshed with the driving bevel gear to rotate, a rotating shaft extension section on a rotating shaft of the driven bevel gear is rotatably connected with the differential case through another bearing 5, the rotating shaft and the rotating shaft extension section of the driven bevel gear are preferably integrally formed, the rotating shaft extension section of the driven bevel gear 6 penetrates through the differential case 3 and then is directly connected with the rotating shaft or the rotating shaft extension section of a rotor 10 of the hydraulic retarder (generally fixedly connected through a spline, specifically, for example, an internal spline can be formed on the rotating shaft extension section of the driven bevel gear, an external spline is formed on the rotating shaft 19 or the rotating shaft extension section of the rotor of the hydraulic retarder, the two can be well connected, not shown in the figure, and other connection modes commonly used in the field can be adopted), the rotor 10 is rotated by the rotation of the rotating shaft extension section of the driven bevel gear 6, and the hydraulic retarder works.

When the utility model is used, the hydraulic retarder is started to generate braking torque after a braking signal is received, so that the braking response time of a vehicle axle is the same as that of a tractor, and the braking intensity of a trailer is unchanged from that of the trailer; when the vehicle runs down a slope, after the sliding speed reaches a certain value, a hydraulic system of the hydraulic retarder is started, so that the braking force generated by the hydraulic retarder is just balanced with the component force of the gravity of the trailer along the road surface, and the vehicle speed is kept stable and unchanged at the value.

The utility model discloses integrated the auxiliary brake function that hydraulic retarder has on vehicle and trailer axle, can make vehicle braking distance shorter, can be used for replacing ordinary vehicle axle, when vehicle and trailer need brake, control hydraulic retarder action, the braking force that makes hydraulic retarder produce directly is used in the vehicle axle, it makes the rotor slow down to produce braking torque and act on the rotor of hydraulic retarder, vehicle braking ability has been improved, can avoid the trailer to produce when the braking folding, get rid of the tail, sideslip, dangerous condition such as brake failure.

The utility model discloses a rationally confirm that differential mechanism's driving gear reaches the biggest with the braking efficiency that makes hydraulic retarber than the rotation of the rotor of hydraulic retarber, has improved vehicle performance, the utility model discloses when vehicle and trailer travel with average speed, can make hydraulic retarber rotor rotational speed give the highest operating speed who is less than hydraulic retarber all the time, when the car braking, hydraulic retarber is prolonged at the interval time of work of high efficiency, has improved the utilization ratio of the energy when having increased braking efficiency.

The hydrodynamic retarder is a supplementary function of a vehicle braking system which is never abraded, can be used for a long time when going downhill, and is not like an electric turbine retarder which can not work for a long time to cause a coil to be hot and stop working.

Example 2

As shown in fig. 1 and 2, a vehicle axle with a hydrodynamic retarder comprises an axle 1, a differential, a hydrodynamic retarder and two air friction brakes, wherein the axle comprises a left half shaft 2 and a right half shaft 7, the differential comprises a driving bevel gear 4, a driven bevel gear 6, a planetary gear 8 and a differential housing 3, the driven bevel gear 6 is provided with a driven bevel gear rotating shaft, and the hydrodynamic retarder 9 comprises a rotor 10, a stator 11 and a retarder housing 12; the differential case 3 is fixedly connected with a retarder case 12 of the retarder, a planetary gear 8 of the differential is meshed with a driving bevel gear 4, when an axle tire of a vehicle normally runs, a left half shaft 2 and a right half shaft 7 continuously rotate to drive the differential to rotate, so that the planetary gear 8 is driven to rotate to drive the driving bevel gear 4 to rotate, the driving bevel gear 4 drives a driven bevel gear 6 meshed with the driving bevel gear to rotate, a rotating shaft extension section on a rotating shaft of the driven bevel gear is rotatably connected with the differential case through another bearing 5, the rotating shaft and the rotating shaft extension section of the driven bevel gear are preferably integrally formed, the rotating shaft extension section of the driven bevel gear 6 penetrates through the differential case 3 and then is directly connected with a rotating shaft 19 or a rotating shaft extension section of a rotor 10 of the hydraulic retarder (generally fixedly connected through a spline, specifically, for example, an internal spline can be formed on the rotating shaft extension section of the driven bevel gear, an external spline is formed on the rotating shaft or the rotating shaft extension section of the rotor of the hydraulic retarder, the two can be well connected, not shown in the figure, and other connection modes commonly used in the field can be adopted), the rotor 10 is rotated by the rotation of the rotating shaft extension section of the driven bevel gear 6, and the hydraulic retarder works. A through shaft 13 penetrates through two sides of the differential case 3 and is rotationally connected with the differential case through bearings (namely, the through shaft 13 penetrates through two sides of the differential case, one end of the through shaft is rotationally connected with one side of the differential case through a bearing 16, the other end of the through shaft is rotationally connected with the other side of the differential case through a bearing 17), a through shaft gear 15 is installed on the through shaft 13 in the differential case, a driven gear 18 is installed on a rotating shaft extension section of a driven bevel gear in the differential case, the driven gear 18 installed on the rotating shaft extension section of the driven bevel gear is meshed and connected with the through shaft gear 15 installed on the through shaft, and the rotation of the driven gear 18 on the rotating shaft extension section of the driven bevel gear can drive the through shaft gear 15 on the through shaft to rotate, so that the through shaft is driven to rotate. A cylindrical belt pulley 14 is arranged on a through shaft exposed out of one side of the differential case, the cylindrical belt pulley can be connected with a generator and a water pump, the generator and the water pump are driven to work by the rotation of the cylindrical belt pulley, and the generator and the water pump are mainly used for radiating heat of an independent radiator of the hydraulic retarder.

Example 3

As shown in fig. 3 and 4, a vehicle axle with a hydrodynamic retarder comprises an axle 1, a differential, a hydrodynamic retarder and two air friction brakes, wherein the axle comprises a left half shaft 2 and a right half shaft 7, the differential comprises a driving bevel gear 4, a driven bevel gear 6, a planetary gear 8 and a differential housing 3, the driven bevel gear 6 is provided with a driven bevel gear rotating shaft, and the hydrodynamic retarder 9 comprises a rotor 10, a stator and a retarder housing; the method is characterized in that: a differential case 3 is fixedly connected with a retarder case of a retarder, a planetary gear 8 of the differential is meshed with a drive bevel gear 4, a left half shaft 2 and a right half shaft 7 of a vehicle are continuously rotated by the rotation of an axle tire of the vehicle to drive the planetary gear 8 to rotate, the drive bevel gear 4 is rotated by the rotation of the planetary gear 8, the drive bevel gear 4 drives a driven bevel gear 6 meshed with the drive bevel gear to rotate, a driven gear 18 is arranged on a rotating shaft extension section of a rotating shaft of the driven bevel gear in the differential case, a through shaft 13 penetrates through two sides of the differential case 3 and is rotationally connected with the differential case through a bearing (namely, a through shaft 13 penetrates through two sides of the differential case, one end of the through shaft is rotationally connected with one side of the differential case through a bearing 16, the other end of the through shaft is rotationally connected with the other side of the differential case through a bearing 17), a bull gear (not shown in the figure) or an upper gear and a lower gear (shown in the figure 3) are arranged on the through shaft 13 in the differential case, if the gear wheel is a big gear wheel, the driven gear 18 and the gear wheel 20 can be driven to rotate at the same time; if the two gears are an upper gear 22 and a lower gear 23, the upper gear 22 and the lower gear 23 can be connected in series and fixed on the through shaft 13, a rotating shaft 19 of the rotor 10 of the hydraulic retarder is provided with a rotating shaft extension section, a section of the rotating shaft extension section of the rotor 10 of the hydraulic retarder, which penetrates through the differential case, is provided with a gear 20, the gear 20 is meshed with a large gear or an upper gear 22 arranged on the through shaft 13, and a driven gear 18 arranged on the rotating shaft extension section of a driven bevel gear 6 of the differential case is meshed with a large gear or a lower gear 23 arranged on the through shaft 13; the driven gear 18 on the extension section of the rotating shaft of the driven bevel gear rotates to drive the big gear or the upper and lower gears on the through shaft to rotate, the big gear or the upper and lower gears rotate to drive the gear 20 on the extension section of the rotating shaft of the hydraulic retarder to rotate, and the gear 20 rotates to rotate the rotor 10, so that the hydraulic retarder works.

In addition, the utility model discloses still can install cylindrical pulley 14 on exposing the through shaft outside differential mechanism shell one side, gear wheel or two gear rotations about or drive through shaft rotation, through shaft rotation drives cylindrical pulley rotation, cylindrical pulley rotation can drive generator and water pump work, generator and water pump mainly are used as the independent radiator heat dissipation of hydraulic retarber.

Additionally, the utility model discloses still can be connected with the transmission shaft through spline disc 21 at the through shaft that exposes outside differential mechanism shell another side, the gearbox can be connected to the transmission shaft.

Additionally, the utility model discloses the vehicle axle assembles different axle tonnage bridges according to the vehicle model of difference, assembles the hydraulic retarber of different models (stand alone type, serial-type, parallel, attached serial-type), and the position of hydraulic retarber assembly installation on different vehicle axles.

Claims (5)

1. A vehicle axle with a hydrodynamic retarder comprises an axle (1), a differential, the hydrodynamic retarder and an air friction type brake, wherein the axle comprises a left half shaft (2) and a right half shaft (7), the differential comprises a driving bevel gear (4), a driven bevel gear (6), a planetary gear (8) and a differential case (3), the driven bevel gear (6) is provided with a driven bevel gear rotating shaft, and the hydrodynamic retarder (9) comprises a rotor (10), a stator (11) and a retarder case (12); the method is characterized in that: a differential case (3) is fixedly connected with a retarder case (12) of a retarder, a planetary gear (8) of a differential is meshed with a driving bevel gear (4), an axle tire of a vehicle rotates to enable a left half shaft (2) and a right half shaft (7) to rotate continuously to drive the planetary gear (8) to rotate, the planetary gear (8) rotates to enable the driving bevel gear (4) to rotate, the driving bevel gear (4) drives a driven bevel gear (6) meshed with the driving bevel gear to rotate, a rotating shaft extension section on a rotating shaft of the driven bevel gear is rotatably connected with the differential case through another bearing (5), a rotating shaft extension section of the driven bevel gear (6) penetrates through the differential case (3) and then is directly connected with a rotating shaft or a rotating shaft extension section of a rotor (10) of the hydrodynamic retarder, and the rotating shaft extension section of the driven bevel gear (6) rotates to enable the rotor (10) to rotate, so that the retarder works.

2. The vehicle axle with the hydrodynamic retarder as defined in claim 1, wherein: a through shaft (13) passes through two sides of the differential case (3) and is rotationally connected with the differential case through a bearing, a through shaft gear (15) is arranged on a through shaft (13) in the differential case, a driven gear is arranged on a rotating shaft extension section of a driven bevel gear in the differential case, a driven gear (18) arranged on the rotating shaft extension section of the driven bevel gear is in meshed connection with the through shaft gear arranged on the through shaft, a cylindrical belt pulley (14) is mounted on a through shaft exposed out of a differential case, a through shaft gear (15) on the through shaft can be driven to rotate by rotation of a driven gear on a rotating shaft extension section of the driven bevel gear, the through shaft gear drives the through shaft to rotate, the through shaft drives the cylindrical belt pulley (14) to rotate, the cylindrical belt pulley can drive a generator and a water pump to work by rotation of the cylindrical belt pulley, and the generator and the water pump work to enable the hydraulic retarder to independently dissipate heat.

3. A vehicle axle with a hydrodynamic retarder comprises an axle (1), a differential, the hydrodynamic retarder and an air friction type brake, wherein the axle comprises a left half shaft (2) and a right half shaft (7), the differential comprises a driving bevel gear (4), a driven bevel gear (6), a planetary gear (8) and a differential shell (3), the driven bevel gear (6) is provided with a driven bevel gear rotating shaft, and the hydrodynamic retarder (9) comprises a rotor (10), a stator and a retarder shell; the method is characterized in that: a differential case (3) is fixedly connected with a retarder case of a retarder, a planetary gear (8) of a differential is meshed with a driving bevel gear (4), an axle of a vehicle rotates to enable a left half shaft (2) and a right half shaft (7) to rotate continuously to drive the planetary gear (8) to rotate, the planetary gear (8) rotates to enable the driving bevel gear (4) to rotate, the driving bevel gear (4) drives a driven bevel gear (6) meshed with the driving bevel gear to rotate, a driven gear (18) is arranged on a rotating shaft extension section of a driven bevel gear rotating shaft in the differential case, a through shaft (13) penetrates through two sides of the differential case (3) and is rotationally connected with the differential case through a bearing, a large gear or an upper gear and a lower gear are arranged on the through shaft (13) in the differential case, a rotating shaft extension section of a rotor (10) of the hydraulic retarder is provided with a rotating shaft extension section, a gear (20) is arranged on a section of the rotating shaft extension section of the rotor (10) of the hydraulic retarder, which penetrates through the differential case, the gear (20) is in meshed connection with a large gear arranged on the through shaft (13) or an upper gear of an upper gear and a lower gear, and a driven gear arranged on a rotating shaft extension section of a driven bevel gear (6) of the differential case is in meshed connection with the large gear arranged on the through shaft (13) or a lower gear of the upper gear and the lower gear; the driven gear (18) on the rotating shaft extension section of the driven bevel gear rotates to drive the big gear or the upper and lower gears on the through shaft to rotate, the big gear or the upper and lower gears rotate to drive the gear (20) on the rotating shaft extension section of the hydraulic retarder to rotate, and the gear (20) rotates to enable the rotor (10) to rotate, so that the hydraulic retarder works.

4. The vehicle axle with the hydrodynamic retarder as defined in claim 3, wherein: a cylindrical belt pulley (14) is arranged on a through shaft exposed out of one side of the differential case, the large gear or the upper gear and the lower gear rotate to drive the through shaft to rotate, the through shaft rotates to drive the cylindrical belt pulley to rotate, the cylindrical belt pulley rotates to drive the generator and the water pump to work, and the generator and the water pump are mainly used for radiating heat of an independent radiator of the hydraulic retarder.

5. The vehicle axle with the hydrodynamic retarder as defined in claim 3, wherein: the through shaft exposed out of the other side of the differential shell is connected with a transmission shaft through a spline disc (21), and the transmission shaft can be connected with a gearbox.

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