CN102943831A - Hydrodynamic retarder - Google Patents
Hydrodynamic retarder Download PDFInfo
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- CN102943831A CN102943831A CN2012104780658A CN201210478065A CN102943831A CN 102943831 A CN102943831 A CN 102943831A CN 2012104780658 A CN2012104780658 A CN 2012104780658A CN 201210478065 A CN201210478065 A CN 201210478065A CN 102943831 A CN102943831 A CN 102943831A
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- tap changer
- main shaft
- hydrodynamic retarder
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- 230000005540 biological transmission Effects 0.000 claims abstract description 84
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 64
- 238000001816 cooling Methods 0.000 claims description 40
- 239000000498 cooling water Substances 0.000 claims description 13
- 238000000605 extraction Methods 0.000 claims description 12
- 239000000945 filler Substances 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 183
- 239000010720 hydraulic oil Substances 0.000 description 13
- 230000005855 radiation Effects 0.000 description 10
- 239000002828 fuel tank Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 239000000295 fuel oil Substances 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The invention discloses a hydrodynamic retarder. The hydrodynamic retarder comprises a case (1) and a transmission main shaft (2), a front rotating impeller (3) and a rear rotating impeller (4) are arranged on the transmission main shaft (2), a braking pressure regulating switch, a gear pump and a water pump are arranged on the case (1), the gear pump is connected with the transmission main shaft, the water pump is connected with the gear pump, the front rotating impeller (3) is connected with the transmission main shaft (2) through a driving wheel flange (5), the rear rotating impeller (4) is connected with the transmission main shaft (2) through a planetary gear set, and oil inlet holes (6) and oil outlet holes (7) are uniformly arranged on the front rotating impeller (3). The hydrodynamic retarder has the advantages that the structural design is reasonable, the braking efficiency is high, the reliability is high, simultaneously the manufacturing is simple, the manufacturing cost is low, and the service life is long.
Description
Technical field
The present invention relates to a kind of hydrodynamic retarder.
Background technique
The utility model patent that a kind of name is called " a kind of engine driven supercharging is regulated the hydraulic turbine retarder " is disclosed in CN201896889U, it comprises shell, transmission main shaft, brake structure and oil-returning structure, shell is provided with water cooling system, is provided with oil conservator, oil inlet passage and drainback passage at shell; The oil outlet of oil conservator is communicated with the filler opening of active chamber by oil inlet passage, and the oil outlet of active chamber is communicated with the return opening of oil conservator by drainback passage; Oil-returning structure is made of fuel oil feed regulation switch, drain cock and a plurality of oil back chamber; The fuel oil feed regulation switch is arranged in the oil inlet passage, is communicated with/closes between the oil outlet of fuel oil feed regulation switch control oil conservator and the filler opening of active chamber; Drain cock arranges in the drainback passage, is communicated with/closes between the return opening of drain cock control oil conservator and the oil outlet of active chamber.The retarder of structure can play the effect of brake although it is so, but still there is following shortcoming in it:
1. because rear wheel rotor maintains static movingly, and when forward movable vane wheel cutting hydraulic oil, its cutting power is lower, causes the hydrodynamic retarder overwork, working life is shorter;
2. because rear wheel rotor is to be fixed on the housing, and then the transmission impeller is not identical again with the material of housing, it is complicated to cause it to make, and manufacture cost is higher;
3. when rotating owing to the opposite rear wheel rotor of front wheel rotor, can produce reaction force for the housing that is connected with rear wheel rotor, cause the lost of life of its housing.
4. owing to be to be respectively arranged with independent oil-feed tap changer, drain cock and tap changer, cause them to take more shell space, so that the area of housing increases, inconvenience is installed not only, and so that manufacture cost is higher;
5. because this oil-feed tap changer, drain cock and tap changer are and minute are arranged, and it is too far away to be used for the oil duct standoff distance of connection between them, affects fuel feeding usefulness, has certain delay when fuel feeding, causes the hydrodynamic retarder sluggish;
6. because tap changer is comprised of the through hole on the sidewall of switch sleeve, spring, steel ball, bolt and switch sleeve rear end, and structure is too simple, cause when pressure regulation, pressure regulation dynamics inaccuracy is so that brake is not steady;
7. because drain cock is to be positioned at housing, when work, produce high temperature, under hot environment, cause easily the Sealing of piston aging, cause drain cock to produce easily the problem of leakage of oil;
8. because the position design of oil-feed tap changer is unreasonable, housing is when outside oil extraction, be subject to the obstruction of fuel oil feed regulation switch, so that housing produces high temperature, braking effect reduces, and, because the spring of oil-feed tap changer is long, and stuck phenomenon occurs easily, causes spring failure, so that the oil-feed tap changer is in running order for a long time, thereby cause hydrodynamic retarder to be in braking state always.
9. because the gear pump on the retarder does not have refrigerating function, so cause the hydraulic fluid temperature in the gear pump higher, under hot environment, greatly shorten the working life of hydraulic oil;
Since the gear pump on the retarder after installation, lid both sides tolerance is larger, causes in pump when oil, oil pressure is lower, so that the hydrodynamic retarder inefficiency;
11. because external tooth and internal tooth on the gear pump are non-standard, make difficulty, cause manufacture cost higher;
12. because the internal tooth on the gear pump is eccentric engagement with going out, internal tooth rotates when too fast, causes external tooth centrifugal force to increase, so that outer odontotripsis shell, shell is shorter working life.
13. this structural cooling system can't be to the bearing cooling that is used for support and fixed conveyor main shaft on the hydrodynamic retarder, in case the bearing working overlong time, bearing temperature raises, and bearing life will shorten greatly;
14. this structural cooling system can't cool off the gear pump on the hydrodynamic retarder, causes the hydraulic fluid temperature on the gear pump to raise, greatly shorten the working life of hydraulic oil, simultaneously, caused the gear life in the gear pump to shorten;
15, because this structural cooling system adopts external water pump, so that the manufacture cost of system is higher;
16. because the water pump on the retarder adopts electric power as kinetic energy, in case circuit breaks down, this water pump can't be worked, and causes cooling system to cool off.
Summary of the invention
Purpose of the present invention just provides the hydrodynamic retarder of a kind of braking efficiency height, long service life, failure rate is low.
The objective of the invention is to realize by such technological scheme, a kind of hydrodynamic retarder, comprise housing and transmission main shaft, wheel rotor and rear wheel rotor before transmission main shaft is provided with, be provided with brake tap changer, gear pump and water pump at housing, described gear pump is connected with transmission main shaft, described water pump is connected with gear pump, described front wheel rotor is connected with transmission main shaft by the driving wheel flange, rear wheel rotor is connected with transmission main shaft by planet tooth group, described on front wheel rotor uniform oil inlet hole and the oil drainage hole of being provided with.
Wherein, described front wheel rotor comprises body A, the uniform arc shaped blade A that is provided with on the inner side surface of body A, and described oil inlet hole is arranged on the outer camber line center of arc shaped blade A and runs through body A, and described oil drainage hole is uniform to be arranged on the outer of body A; Described rear wheel rotor comprises body B, is provided with the transmission external tooth cover with body B one at the center of body B, at the relative uniform arc shaped blade B that is provided with on the inner side surface of arc shaped blade A on the body B.
In order to improve oil extraction speed, the opening direction of described oil drainage hole is identical with the radian direction of arc shaped blade A, and the number of described arc shaped blade A and arc shaped blade B is 24～38.
Further describe, three planetary pinions that described planetary gear set comprises driving gear and is distributed on the driving gear outside and meshes with driving gear, described driving gear is arranged on the transmission main shaft and with transmission main shaft and is wholely set, and described driving gear is positioned at the transmission external tooth cover and meshes by planetary pinion and transmission external tooth cover.
Further, the uniform oil-feed reinforced blade that is provided with on the outer side surface of described front wheel rotor, described oil-feed reinforced blade is corresponding with oil inlet hole, and wherein, the angle between described oil-feed reinforced blade and the body A is 25o～45o.
In the present invention, described brake tap changer comprises housing B, is provided with independently oil pocket A and the oil pocket B that is interconnected and oil pocket C in housing B;
Be provided with the external oil drainage hole that is communicated with oil pocket A, oil pocket B and oil pocket C respectively, external afterburning oil inlet hole and oil drain out in the front of housing B, and all penetrate housing B and pass respectively oil pocket A and the drain cock of oil pocket C and tap changer A, tap changer B;
Be provided with the active chamber oil drainage hole that is communicated with oil pocket A, the oil inlet hole A that is communicated with oil pocket B and oil inlet hole B and the relief hole A that is communicated with oil pocket C and relief hole B at the back side of housing B,
Wherein, drain cock is corresponding with the active chamber oil drainage hole, tap changer A and tap changer B and relief hole A and relief hole B) corresponding; In described oil pocket B, be provided with separating switch.
Wherein, described separating switch comprises oil-feed tap changer cover, oil-feed tap changer piston, oil-feed tap changer valve and the return spring of cross setting, described oil-feed tap changer cover stretches into housing B and is connected with housing B, described oil-feed tap changer piston is positioned at oil-feed tap changer cover and is connected with an end of oil-feed tap changer valve, the other end of described oil-feed tap changer valve withstands on the end of return spring, and the other end of return spring withstands on the inwall of oil pocket C.
Further, described tap changer A comprises piston valve, spring, piston and tap changer cover, and an end of described piston valve withstands on relief hole A place, the other end penetrates in the tap changer cover, described piston is positioned at tap changer cover, and an end penetrates in the spring, and described spring is positioned at piston valve; Described drain cock comprises oil extraction piston and drain cock cover, and described row has piston to be positioned at the drain cock cover.
In the present invention, described gear pump comprises interconnective gear pump cover and gear pump casing, in the gear pump cover, be provided with independently gear and shelve chamber and oil inlet passage, shelve at described gear and to be provided with driving gear and the driven gear that connects by outer gearing, the filler opening that in gear is shelved the chamber, is provided with oil outlet and is communicated with oil inlet passage in the chamber.
Wherein, described filler opening and oil outlet lay respectively at the both sides of driving gear and driven gear engagement place, separate by shelf between described oil outlet and the oil inlet passage.
Further, described oil inlet passage is positioned at gear and shelves the outside, chamber, and around the driving gear setting, described oil inlet passage is shelved the chamber by baffle plate and gear and separated.
In order to strengthen the intensity of gear pump cover, in oil inlet passage, be evenly equipped with stiffening rib.
In order to utilize unnecessary power, be provided with transmission shaft at driven gear, described driven gear and transmission shaft are integrated setting.
Among the present invention, be provided with external oil inlet hole, external oil drainage hole, gear pump oil inlet hole and gear pump oil drainage hole on the described gear pump casing, described external oil inlet hole is communicated with the gear pump oil inlet hole, described external oil drainage hole is communicated with the gear pump oil drainage hole, described gear pump oil inlet hole is communicated with oil inlet passage, and described gear pump oil drainage hole is communicated with oil outlet.
In the present invention, described water pump comprises transmission main shaft bearing cooler and water pump body, described water pump body is connected on the exterior edge face of transmission main shaft bearing cooler, is provided with cooling water channel in the transmission main shaft bearing cooler, and this cooling water channel is communicated with water pump body.
Wherein, described transmission main shaft bearing cooler comprises interconnective cooling lid A and cooling lid B, center at cooling lid A and cooling lid B is provided with the transmission main shaft mounting hole, described cooling water channel is separately positioned in cooling lid A and the cooling lid B, and A is provided with water intake and the water outlet that runs through cooling lid A at the cooling lid.
Further, described water pump body comprises interconnective water pump lid A and water pump lid B, described water pump lid B is connected with the exterior edge face of cooling lid A, B is provided with placed cavity at the water pump lid, in placed cavity, be provided with the water pump vane with transmission shaft, described transmission shaft passes water pump lid B, cooling lid A and cooling lid B successively, and described cooling water channel is communicated with placed cavity.
Because adopted technique scheme, the present invention to have the advantage that reasonable in design, braking efficiency are high, reliability is strong, simultaneously, the present invention also has following advantage:
1. the present invention has improved the efficient of cutting liquid force feed by the opposite rotation of front wheel rotor and rear wheel rotor, and the eddy current that produces when making cutting has larger reaction force, and braking efficiency is higher.
2. the present invention has set up the oil-feed reinforced blade at front wheel rotor so that the time decreased of the eddy current maximum strength that produces in front wheel rotor and the rear wheel rotor, Effective Raise the intensity of eddy current;
3. the opening direction of oil drainage hole of the present invention is identical with the radian direction of arc shaped blade A, so that after having worked, do not have resistance during oil extraction, has greatly improved oil extraction speed;
4. owing to rear wheel rotor individual components, not only make simply, and manufacture cost is also lower;
5. among the present invention, front wheel rotor and rear wheel rotor are individual components, when opposite the rotation, can not produce reaction force to housing, have prolonged the working life of housing.
Brake tap changer of the present invention it can carry out fuel feeding to retarder fast, improved sensitivity and reaction velocity, so that brake is steadily, simultaneously, because the return spring moderate length has prevented the generation of spring stuck phenomenon, so that stable working state, failure rate is low.
7. gear pump of the present invention not only can reduce the temperature of hydraulic oil in the gear pump, prolong the working life of hydraulic oil, and, because driving gear and driven gear are all contactless with the gear pump cover, do not have wearing and tearing during work, have greatly prolonged working life, and, driving gear and driven gear are standard piece, make easy for installationly, have reduced cost.
8. water pump of the present invention not only can be lowered the temperature to the bearing on the transmission main shaft of hydrodynamic retarder, and can also lower the temperature to the hydraulic oil in the hydrodynamic retarder oiling pump, bearing on the transmission main shaft and working life of hydraulic oil have been prolonged, simultaneously, adopt mechanical energy as power, so that pump working has more stability.
Description of drawings
Description of drawings of the present invention is as follows:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the forward and backward wheel rotor structural representation of the present invention;
Fig. 3 is the front elevation of front wheel rotor of the present invention;
Fig. 4 is the rear perspective view of Fig. 3;
Fig. 5 is the front elevation of rear wheel rotor of the present invention;
Fig. 6 is the rear wheel rotor structural drawing with planetary gear set;
Fig. 7 is brake tap changer structural representation of the present invention;
Fig. 8 is the rear view of Fig. 7;
Fig. 9 is the plan view of Fig. 7;
Figure 10 is the A-A sectional block diagram of Fig. 9;
Figure 11 is the B-B sectional view of Fig. 7;
Figure 12 is the C-C sectional view of Fig. 7;
Figure 13 is the D-D sectional view of Fig. 7;
Figure 14 is gear pump cover structural representation of the present invention;
Figure 15 is gear pump casing structural representation of the present invention;
Figure 16 is the stereogram of Figure 14.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail, but the present invention is not limited to these mode of executions, any on the present embodiment essence spirit improvement or substitute, still belong to claim of the present invention scope required for protection.
Embodiment 1: shown in Fig. 1,2,3,4,5,6, a kind of hydrodynamic retarder, comprise housing 1 and transmission main shaft 2, wheel rotor 3 and rear wheel rotor 4 before transmission main shaft 2 is provided with, be provided with brake tap changer, gear pump and water pump at housing 1, described gear pump is connected with transmission main shaft, described water pump is connected with gear pump, described front wheel rotor 3 is connected with transmission main shaft 2 by driving wheel flange 5, rear wheel rotor 4 is connected with transmission main shaft 2 by planet tooth group, described on front wheel rotor 3 uniform oil inlet hole 6 and the oil drainage hole 7 of being provided with.
Wherein, above-mentioned front wheel rotor 3 comprises body A8, the uniform arc shaped blade A9 that is provided with on the inner side surface of body A8, described oil inlet hole 6 is arranged on the outer camber line center of arc shaped blade A9 and runs through body A8, and described oil drainage hole 7 is uniform to be arranged on the outer of body A8; Described rear wheel rotor 4 comprises body B10, is provided with the transmission external tooth cover 11 with body B10 one at the center of body B10, at the relative uniform arc shaped blade B12 that is provided with on the inner side surface of arc shaped blade A9 on the body B10.
For so that the present invention after having worked, there is not resistance in the oil extraction process, can carry out fast oil extraction, the opening direction of described oil drainage hole 7 is identical with the radian direction of arc shaped blade A9, and the number of described arc shaped blade A9 and arc shaped blade B12 is 24～38.
Further describe, described planetary gear set comprises driving gear 13 and three planetary pinions 14 that are distributed on driving gear 13 outsides and mesh with driving gear 13, described driving gear 13 is arranged on the transmission main shaft 2 and with transmission main shaft 2 and is wholely set, and described driving gear 13 is positioned at transmission external tooth cover 11 and meshes by planetary pinion 14 and transmission external tooth cover 11.
For so that front wheel rotor 2 and rear wheel rotor 3 when opposite the rotation, the eddy current that produces reaches the time decreased of maximum strength, and the intensity that effectively improves eddy current, the uniform oil-feed reinforced blade 15 that is provided with on the outer side surface of described front wheel rotor 3, described oil-feed reinforced blade 15 is corresponding with oil inlet hole 6, for so that better effects if, the angle between described oil-feed reinforced blade 15 and the body A8 is 25o～45o.
Impeller of the present invention is like this work: arc shaped blade A9 and arc shaped blade B12 on front wheel rotor 3 and the rear wheel rotor 4 combine, two impellers all are connected on the transmission main shaft 2, front wheel rotor 3 directly is connected with transmission main shaft 2, front wheel rotor 3 sense of rotation are identical with transmission main shaft 2, driving gear 13 outer gearings of rear wheel rotor 4 on planet tooth group and transmission main shaft 2, carry out transmission work, rear wheel rotor 4 and transmission main shaft 2 counter-rotation, because the problem of planet tooth, rear wheel rotor 4 is taken turns slowly than forward movable vane 3, before making, rear wheel rotor 3,4 produce reaction force with eddy current in the positive and negative cutting active chamber plays braking action to transmission main shaft.
Shown in Fig. 7,8,9,10,11,12,13, in the present invention, the brake tap changer comprises housing B16, is provided with independently oil pocket A17 and the oil pocket B18 that is interconnected and oil pocket C19 in housing B16;
Be provided with the external oil drainage hole 20 that is communicated with oil pocket A17, oil pocket B18 and oil pocket C19 respectively, external afterburning oil inlet hole 21 and oil drain out 23 in the front of housing B16, and all penetrate housing B16 and pass respectively oil pocket A17 and the drain cock 24 of oil pocket C19 and tap changer A25, tap changer B26;
Be provided with the active chamber oil drainage hole 27 that is communicated with oil pocket A17, the oil inlet hole A28 that is communicated with oil pocket B18 and oil inlet hole B29 and the relief hole A30 that is communicated with oil pocket C19 and relief hole B31 at the back side of housing B16,
Wherein, drain cock 24 is corresponding with active chamber oil drainage hole 27, and tap changer A25 is corresponding with relief hole A30 and relief hole B31 with tap changer B26; In described oil pocket B18, be provided with separating switch 32.
Wherein, described separating switch 32 comprises oil-feed tap changer cover 33, oil-feed tap changer piston 34, oil-feed tap changer valve 35 and the return spring 36 of cross setting, described oil-feed tap changer cover 33 stretches into housing B16 and is connected with housing B16, described oil-feed tap changer piston 34 is positioned at oil-feed tap changer cover 33 and is connected with an end of oil-feed tap changer valve 35, the other end of described oil-feed tap changer valve 35 withstands on the end of return spring 36, and the other end of return spring 36 withstands on the inwall of oil pocket C19.
Further, described tap changer A25 comprises piston valve 37, spring 38, piston 39 and tap changer cover 40, one end of described piston valve 37 withstands on relief hole A30 place, the other end penetrates in the tap changer cover 40, described piston 39 is positioned at tap changer cover 40, and an end penetrates in the spring 38, and described spring 38 is positioned at piston valve 37.
Further, described drain cock 24 comprises oil extraction piston 41 and drain cock cover 42, and described oil extraction piston 41 is positioned at drain cock cover 42.
This brake tap changer is like this work: oil drain out 23, oil inlet hole B29, relief hole A30, relief hole B31, external afterburning oil inlet hole 21 and external oil drainage hole 20 all are communicated with the external heat radiation fuel tank;
Oil inlet hole A28 is communicated with the active chamber oil inlet hole of retarder; Active chamber oil drainage hole 27 is communicated with the oil drainage hole of the active chamber of retarder;
When the present invention brakes tap changer when not working, separating switch 32 and drain cock 24 are not worked, and at this moment, tap changer A25, tap changer B26, relief hole A30 and relief hole B31 all close, outwards draining; Oil in the external heat radiation fuel tank enters in the oil pocket B18 through oil inlet hole B29, and oil-feed this moment tap changer piston 34 is opened, so that oil is expelled back into again in the external heat radiation fuel tank from the oil drain out 23 of oil pocket C19 by oil pocket B18, circulates with regard to forming like this.
Brake tap changer of the present invention is like this work: separating switch 32 and drain cock 24 work; Oil in the external heat radiation fuel tank enters in the oil pocket B18 through oil inlet hole B29, at this moment, separating switch 32 work, so that oil-feed tap changer piston 34 is closed, oil pocket B18 and oil pocket C19 close, working oil can only enter in the active chamber of retarder by oil inlet hole A28, makes retarder play slow effect.
When needs pressurize to retarder, can be by the active chamber pressurization of 21 pairs of retarders of external afterburning oil inlet hole; Working oil enters in the oil pocket B18 by external afterburning oil inlet hole 21, because oil pocket B18 and oil pocket C19 close, at this moment, the oil inlet hole A28 of this working oil by being communicated with oil pocket B18 enters into that the active chamber of retarder is interior to pressurize to retarder.
When pressure excessive, pressure in its active chamber greater than tap changer A25 or/and during tap changer B26, tap changer A25 is or/and tap changer B26 opens, and working oil, is discharged in the external heat radiation fuel tank through the oil drain out 23 of oil pocket C19 or/and relief hole B31 discharges by relief hole A30.
After retarder work is finished, separating switch 32 and drain cock 24 are not worked, oil extraction piston 41 in the drain cock 24 is opened, working oil in retarder (the deletion) active chamber enters into oil pocket A17 through active chamber oil drainage hole 27, enters in the external heat radiation fuel tank by the external oil drainage hole 20 that is communicated with oil pocket A17 and dispels the heat; Simultaneously, the oil-feed tap changer piston 34 of separating switch 32 is opened, so that oil pocket B18 and oil pocket C19 are communicated with, working oil in the external heat radiation fuel tank enters in the oil pocket C19 through the oil inlet hole B29 of oil pocket B18, be expelled back into again in the external heat radiation fuel tank from oil drain out 23 by oil pocket C19, at this moment, tap changer A25 and tap changer B26 all close, relief hole A30 and the relief hole B31 working oil that can not leak can only be discharged to the external heat radiation fuel tank by oil drain out 23 and carry out circulation cooling.
Shown in Figure 14,15,16, gear pump of the present invention comprises interconnective gear pump cover 43 and gear pump casing 44, in gear pump cover 43, be provided with independently gear and shelve chamber 45 and oil inlet passage 46, in shelving chamber 45, described gear is provided with the driving gear 47 and the driven gear 48 that connect by outer gearing, the filler opening 50 that in gear is shelved chamber 45, is provided with oil outlet 49 and is communicated with oil inlet passage 46.
Wherein, above-mentioned filler opening 50 and oil outlet 49 lay respectively at the both sides of driving gear 47 and driven gear 48 engagement places, separate by shelf 51 between described oil outlet 49 and the oil inlet passage 46; Described oil inlet passage 46 is positioned at gear and shelves 45 outsides, chamber, and arranges around driving gear 47, and described oil inlet passage 46 is shelved chamber 45 by baffle plate 52 and gear and separated.
In order to strengthen the intensity of gear pump cover, increase the service life, in oil inlet passage 46, be evenly equipped with stiffening rib 53.
Wherein, be provided with transmission shaft 54 at driven gear 48, described driven gear 48 is integrated setting with transmission shaft 54, do so not only and can provide power for the water pump on the hydrodynamic retarder, and transmission shaft 54 connection electricity generating devices can be generated electricity, and can be used as the power source of other devices, saved unnecessary power.
Further describe the gear pump cover structure, be provided with external oil inlet hole 55, external oil drainage hole 56, gear pump oil inlet hole 57 and gear pump oil drainage hole 58 in described gear pump casing 44, described external oil inlet hole 55 is communicated with gear pump oil inlet hole 57, described external oil drainage hole 56 is communicated with gear pump oil drainage hole 58, described gear pump oil inlet hole 57 is communicated with oil inlet passage 46, and described gear pump oil drainage hole 58 is communicated with oil outlet 49.
Gear pump of the present invention is like this work: driving gear 47 is connected with transmission main shaft 2, and transmission main shaft 2 provides power for driving gear 47, and simultaneously, gear pump casing 44 is connected with water pump on the hydrodynamic retarding.
Hydraulic oil enters through external oil inlet hole 55, enter in the oil inlet passage 46 through gear pump oil inlet hole 57, hydraulic oil flows along oil inlet passage 46, entering into gear by filler opening 50 shelves in the chamber 45, driving gear 47 rotates under the drive of transmission main shaft 2, the driving gear 47 that rotates drives driven gear 48 and rotates, so just played the effect of pump oil, pressurized hydraulic oil is again successively by oil outlet 49, gear pump oil drainage hole 58 and external oil drainage hole 56 are discharged, like this circulation, water by water pump carries out heat exchange to hydraulic oil, so that hydraulic oil has also played the effect of cooling.
Water pump of the present invention comprises transmission main shaft bearing cooler and water pump body, described water pump body is connected on the exterior edge face of transmission main shaft bearing cooler, be provided with cooling water channel 59 in the transmission main shaft bearing cooler, this cooling water channel 59 is communicated with water pump body.
Wherein, above-mentioned transmission main shaft bearing cooler comprises interconnective cooling lid A60 and cooling lid B61, center at cooling lid A60 and cooling lid B61 is provided with transmission main shaft mounting hole 62, described cooling water channel 59 is separately positioned in cooling lid A60 and the cooling lid B61, and A60 is provided with water intake 63 and the water outlet 64 that runs through cooling lid A60 at the cooling lid.
Above-mentioned water pump body comprises interconnective water pump lid A65 and water pump lid B66, described water pump lid B66 is connected with the exterior edge face of cooling lid A60, B66 is provided with placed cavity 67 at the water pump lid, in placed cavity 67, be provided with the water pump vane 69 with transmission shaft 54, described transmission shaft 54 passes water pump lid B66, cooling lid A60 and cooling lid B61 successively, and described cooling water channel 59 is communicated with placed cavity 67.
Water pump of the present invention is like this work: will cool off first lid A60 and and cooling lid B61 be installed on the transmission main shaft 2 of hydrodynamic retarder by transmission main shaft mounting hole 62 and the bearing that is positioned at transmission main shaft mounting hole 62, cooling lid B61 is connected with oil pump on the hydrodynamic retarder, and formation integral body simultaneously is connected with a joggle the driving gear 47 of the other end of transmission shaft 54 and the oil pump on the hydrodynamic retarder; During work, the driving gear 47 that the transmission main shaft 2 of hydrodynamic retarder drives oil pump rotates, driving gear 47 drives driven gear 48 and rotates, driven gear 48 drives transmission shaft 54 again and rotates, the rotation of transmission shaft 54 drives water pump vane 69 and rotates, thereby the water flow in the drive water pump, so that the water circulation in the cooling water channel 59 flows, the heat of the water that circulates just is connected bearing with oil pump hydraulic oil takes to is connected the external heat radiation case that is connected with water intake 63 and dispels the heat with water outlet.
Claims (18)
1. hydrodynamic retarder, comprise housing (1) and transmission main shaft (2), be provided with front wheel rotor (3) and rear wheel rotor (4) at transmission main shaft (2), be provided with the brake tap changer at housing (1), gear pump and water pump, described gear pump is connected with transmission main shaft, described water pump is connected with gear pump, it is characterized in that: described front wheel rotor (3) is connected with transmission main shaft (2) by driving wheel flange (5), rear wheel rotor (4) is connected with transmission main shaft (2) by planet tooth group, and is described at upper uniform oil inlet hole (6) and the oil drainage hole (7) of being provided with of front wheel rotor (3).
2. hydrodynamic retarder as claimed in claim 1, it is characterized in that: described front wheel rotor (3) comprises body A(8), at body A(8) inner side surface on the uniform arc shaped blade A(9 that is provided with), described oil inlet hole (6) is arranged on arc shaped blade A(9) outer camber line center and run through body A(8), the uniform body A(8 that is arranged on of described oil drainage hole (7)) the outer on; Described rear wheel rotor (4) comprises body B(10), at body B(10) the center be provided with and body B(10) the transmission external tooth cover (11) of one, at body B(10) upper relative arc shaped blade A(9) inner side surface on the uniform arc shaped blade B(12 that is provided with).
3. hydrodynamic retarder wheel rotor as claimed in claim 2, it is characterized in that: the opening direction of described oil drainage hole (7) and arc shaped blade A(9) the radian direction identical, and described arc shaped blade A(9) and arc shaped blade B(12) number be 24～38.
4. hydrodynamic retarder as claimed in claim 3, it is characterized in that: three planetary pinions (14) that described planetary gear set comprises driving gear (13) and is distributed on driving gear (13) outside and meshes with driving gear (13), described driving gear (13) is arranged on transmission main shaft (2) and upward and with transmission main shaft (2) is wholely set, and described driving gear (13) is positioned at transmission external tooth cover (11) and meshes by planetary pinion (14) and transmission external tooth cover (11).
5. hydrodynamic retarder as claimed in claim 4, it is characterized in that: the uniform oil-feed reinforced blade (15) that is provided with on the outer side surface of described front wheel rotor (3), described oil-feed reinforced blade (15) is corresponding with oil inlet hole (6).
6. hydrodynamic retarder as claimed in claim 5 is characterized in that: described oil-feed reinforced blade (15) and body A(8) between angle be 25o～45o.
7. such as the described hydrodynamic retarder of the arbitrary claim of claim 1 to 6, it is characterized in that: described brake tap changer comprises housing B(16), at housing B(16) in be provided with independently oil pocket A(17) and the oil pocket B(18 that is interconnected) and oil pocket C(19);
At housing B(16) the front be provided with respectively and oil pocket A(17), oil pocket B(18) and oil pocket C(19) the external oil drainage hole (20), external afterburning oil inlet hole (21) and the oil drain out (23) that are communicated with, and all penetrate housing B(16) and pass respectively oil pocket A(17) and oil pocket C(19) drain cock (24) and tap changer A(25), tap changer B(26);
At housing B(16) the back side be provided with and oil pocket A(17) the active chamber oil drainage hole (27) that is communicated with, with oil pocket B(18) the oil inlet hole A(28 that is communicated with) and oil inlet hole B(29) and with oil pocket C(19) the relief hole A(30 that is communicated with) and relief hole B(31)
Wherein, drain cock (24) is corresponding with active chamber oil drainage hole (27), tap changer A(25) with tap changer B(26) with relief hole A(30) and relief hole B(31) corresponding; At described oil pocket B(18) in be provided with separating switch (32).
8. hydrodynamic retarder as claimed in claim 7, it is characterized in that: described separating switch (32) comprises the oil-feed tap changer cover (33) of cross setting, oil-feed tap changer piston (34), oil-feed tap changer valve (35) and return spring (36), described oil-feed tap changer cover (33) stretches into housing B(16) and with housing B(16) be connected, described oil-feed tap changer piston (34) is positioned at oil-feed tap changer cover (33) and is connected with an end of oil-feed tap changer valve (35), the other end of described oil-feed tap changer valve (35) withstands on the end of return spring (36), and the other end of return spring (36) withstands on oil pocket C(19) inwall on.
9. hydrodynamic retarder as claimed in claim 8, it is characterized in that: described tap changer A(25) comprise piston valve (37), spring (38), piston (39) and tap changer cover (40), one end of described piston valve (37) withstands on relief hole A(30) locate, the other end penetrates in the tap changer cover (40), described piston (39) is positioned at tap changer cover (40), and an end penetrates in the spring (38), and described spring (38) is positioned at piston valve (37).
10. on the hydrodynamic retarder as claimed in claim 9, it is characterized in that: described drain cock (24) comprises oil extraction piston (41) and drain cock cover (42), and described oil extraction piston (41) is positioned at drain cock cover (42).
11. hydrodynamic retarder as claimed in claim 10, it is characterized in that: described gear pump comprises interconnective gear pump cover (43) and gear pump casing (44), in gear pump cover (43), be provided with independently gear and shelve chamber (45) and oil inlet passage (46), in shelving chamber (45), described gear is provided with the driving gear (47) and the driven gear (48) that connect by outer gearing, the filler opening (50) that in gear is shelved chamber (45), is provided with oil outlet (49) and is communicated with oil inlet passage (46).
12. hydrodynamic retarder as claimed in claim 11, it is characterized in that: described filler opening (50) and oil outlet (49) lay respectively at the both sides of driving gear (47) and driven gear (48) engagement place, separate by shelf (51) between described oil outlet (49) and the oil inlet passage (46); Described oil inlet passage (46) is positioned at gear and shelves the outside, chamber (45), and arranges around driving gear (47), and described oil inlet passage (46) is shelved chamber (45) by baffle plate (52) and gear and separated.
13. hydrodynamic retarder as claimed in claim 12 is characterized in that: in oil inlet passage (46), be evenly equipped with stiffening rib (53).
14. hydrodynamic retarder as claimed in claim 13 is characterized in that: be provided with transmission shaft (54) at driven gear (48), described driven gear (48) is integrated setting with transmission shaft (54).
15. hydrodynamic retarder as claimed in claim 14, it is characterized in that: be provided with external oil inlet hole (55), external oil drainage hole (56), gear pump oil inlet hole (57) and gear pump oil drainage hole (58) in described gear pump casing (44), described external oil inlet hole (55) is communicated with gear pump oil inlet hole (57), described external oil drainage hole (56) is communicated with gear pump oil drainage hole (58), described gear pump oil inlet hole (57) is communicated with oil inlet passage (46), and described gear pump oil drainage hole (58) is communicated with oil outlet (49).
16. hydrodynamic retarder as claimed in claim 15, it is characterized in that: described water pump comprises transmission main shaft bearing cooler and water pump body, described water pump body is connected on the exterior edge face of transmission main shaft bearing cooler, be provided with cooling water channel (59) in the transmission main shaft bearing cooler, this cooling water channel (59) is communicated with water pump body.
17. hydrodynamic retarder as claimed in claim 16, it is characterized in that: described transmission main shaft bearing cooler comprises interconnective cooling lid A(60) and cooling lid B(61), at cooling lid A(60) and cool off lid B(61) the center be provided with transmission main shaft mounting hole (62), described cooling water channel (59) is separately positioned on cooling lid A(60) and cooling lid B(61) in, at cooling lid A(60) be provided with to run through and cool off lid A(60) water intake (63) and water outlet (64).
18. hydrodynamic retarder as claimed in claim 19, it is characterized in that: described water pump body comprises interconnective water pump lid A(65) and water pump lid B(66), described water pump lid B(66) with cooling lid A(60) the exterior edge face be connected, at water pump lid B(66) be provided with placed cavity (67), in placed cavity (67), be provided with the water pump vane (69) with transmission shaft (54), described transmission shaft (54) passes water pump lid B(66 successively), cool off lid A(60) and cooling lid B(61), described cooling water channel (59) is communicated with placed cavity (67).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210478065.8A CN102943831B (en) | 2012-11-22 | 2012-11-22 | Hydrodynamic retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210478065.8A CN102943831B (en) | 2012-11-22 | 2012-11-22 | Hydrodynamic retarder |
Publications (2)
| Publication Number | Publication Date |
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| CN102943831A true CN102943831A (en) | 2013-02-27 |
| CN102943831B CN102943831B (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210478065.8A Expired - Fee Related CN102943831B (en) | 2012-11-22 | 2012-11-22 | Hydrodynamic retarder |
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| CN (1) | CN102943831B (en) |
Cited By (7)
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| CN104773151A (en) * | 2015-03-17 | 2015-07-15 | 吉林大学 | Method and device for automatically acquiring liquid filling ratio of hydrodynamic retarder |
| CN105422690A (en) * | 2015-11-30 | 2016-03-23 | 陕西航天动力高科技股份有限公司 | Independent retarder in front of box |
| CN105697607A (en) * | 2016-03-01 | 2016-06-22 | 宁波华盛联合制动科技有限公司 | Oil tank structure used for hydraulic retarder |
| CN109179143A (en) * | 2018-09-04 | 2019-01-11 | 中国建筑科学研究院有限公司建筑机械化研究分院 | A kind of manual ramp-down device and its lifting device of meeting an urgent need |
| CN109253188A (en) * | 2018-11-01 | 2019-01-22 | 陕西法士特齿轮有限责任公司 | A kind of integrated form Retarder |
| CN113623340A (en) * | 2021-08-13 | 2021-11-09 | 山东泰鑫汽车科技有限公司 | Anti-braking force control mechanism on reinforced hydraulic retarder |
| WO2022121811A1 (en) * | 2020-12-07 | 2022-06-16 | 周春锋 | Hydraulic brake having scrape piece-type hydraulic pump with scrape piece recovery device |
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| CN109179143A (en) * | 2018-09-04 | 2019-01-11 | 中国建筑科学研究院有限公司建筑机械化研究分院 | A kind of manual ramp-down device and its lifting device of meeting an urgent need |
| CN109253188A (en) * | 2018-11-01 | 2019-01-22 | 陕西法士特齿轮有限责任公司 | A kind of integrated form Retarder |
| WO2022121811A1 (en) * | 2020-12-07 | 2022-06-16 | 周春锋 | Hydraulic brake having scrape piece-type hydraulic pump with scrape piece recovery device |
| CN113623340A (en) * | 2021-08-13 | 2021-11-09 | 山东泰鑫汽车科技有限公司 | Anti-braking force control mechanism on reinforced hydraulic retarder |
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| CN102943831B (en) | 2015-05-20 |
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Effective date of registration: 20190212 Address after: 402247 Shuangfu Industrial Park Demolition and Resettlement Complex Building Area A, Jiangjin District, Chongqing Patentee after: CHONGQING XINLING CHUANGFU PHOTOELECTRIC SCIENCE & TECHNOLOGY Co.,Ltd. Address before: 402260 Building 13, Phase II, Degan Industrial Park, Jiangjin District, Chongqing Patentee before: CHONGQING JINDEFU SCIENCE & TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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