CN108462364A - A kind of bridge configuration liquid replies conjunction retarder by cable - Google Patents
A kind of bridge configuration liquid replies conjunction retarder by cable Download PDFInfo
- Publication number
- CN108462364A CN108462364A CN201810137997.3A CN201810137997A CN108462364A CN 108462364 A CN108462364 A CN 108462364A CN 201810137997 A CN201810137997 A CN 201810137997A CN 108462364 A CN108462364 A CN 108462364A
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- 239000007788 liquid Substances 0.000 title claims abstract description 21
- 230000000979 retarding effect Effects 0.000 claims abstract description 18
- 230000003139 buffering effect Effects 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 claims abstract description 8
- 239000012224 working solution Substances 0.000 claims description 33
- 239000012530 fluid Substances 0.000 claims description 23
- 230000008676 import Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 3
- 238000007373 indentation Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 2
- 230000003993 interaction Effects 0.000 claims description 2
- 230000001934 delay Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/02—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type
- H02K49/04—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type of the eddy-current hysteresis type
- H02K49/046—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type of the eddy-current hysteresis type with an axial airgap
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The invention discloses a kind of bridge configuration liquid to reply conjunction retarder by cable, belongs to car auxiliary brake technical field.The retarder is divided into electric vortex buffering part, hydrodynamic retarding part, built-in pump portion and half bridge section；The retarder includes stator outer ring, stator inner ring, left stator impeller, right stator impeller, left volute, right volute, left rotor, right rotor, magnet exciting coil, sealing baffle, bearing block, left axle housing, right axle housing, semiaxis.Retarder is directly installed on trailer rear axle, and retarder brake is carried out to trailer；Two oil-feed pumps are internally integrated in retarder, Retarder input pressure is increased, is conducive to the quick filling liquid of Retarder；Retarder has been made into the differential assembly that an assembly structure directly substitutes original power bridge, has been installed to axle center, semiaxis is detachable；Retarder can make an integrated package, the whole vehicle bridge of an auxiliary braking be made with vehicle bridge, safety coefficient higher, whole bridge longevity is longer, braking effect is more preferable.
Description
Technical field
The invention belongs to car auxiliary brake technical fields more particularly to a kind of bridge configuration liquid to reply conjunction retarder by cable.
Background technology
Tractor-trailer transport, which is one kind, can improve transport production rate, reduce transportation cost, improve haulage vehicle utilization rate
Important transportation form, but because of the design feature of its own, the relevant technologies immature and its use lack of standardization is caused
The prodigious security risk of tractor-trailer.Currently, retarder has begun large batch of to be installed to the lorry and visitor that chassis is integrated
Che Shang, and achieve satisfactory effect.And the problem that retarder manufacturer generally faces now is how will to delay
Fast device is installed in tractor-trailer.Since the power of trailer comes from trailer, the vehicle bridge of trailer is support bridge, thus its own is simultaneously
There is no actuating unit, so this, which is installed to retarder on trailer, brings difficulty.Still further aspect, retarder be with often
It is mutually independent to advise braking system, it the conventional braking system of vehicle and is not turned at work.So if only pulling
Retarder is installed on the trailer of vehicle, when slow, there is no brake force on trailer.The substantial load of trailer can make slowly
Device can not be normally slow, and the huge inertia force of rear car can also make trailer that so-called " revolution is equivalent " phenomenon occur or even tumble
It is dangerous.With the continuous improvement that vehicle safety requires, the retarder brake problem of towed vehicle is badly in need of solving.
Some the relevant technologies are had existed in terms of trailer braking protection valve and auxiliary braking.It is replaced using automobile drive axle existing
It a piece rear axle of trailer and installs current vortex retarder additional in differential packet front end or draws in the trailer bicycle beam, rotor and master
The ring flange of moving axis is connected, and this scheme is with obvious effects to trailer braking protection valve, but weight is big, of high cost.
In previous research occur that Retarder is respectively adopted or hub-type electromagnetism liquid-cooled retarder is done with hub reduction gear
It is integrally mounted on wheel hub position, due to being limited by wheel hub spot size, hub reduction gear speedup is smaller, to which retarder turns
Rotor speed is relatively low, influences braking ability.
It is mounted among trailer dead axle using by Retarder, after hub reduction gear speedup, then in rotor
Increase by 1.8 times of fixed shaft gear train speedup by impeller, this scenario-frame is complicated, of high cost.
Invention content
The technical problem to be solved by the present invention is to provide a kind of bridge configuration liquid and reply by cable and close retarder assembly, realize to dragging
The differential turning of trailer and the retarder brake effect that full speed section power density is high, response is fast, increase towed vehicle driving safety.
To achieve the above object, the technical solution adopted by the present invention is that a kind of bridge configuration liquid replies conjunction retarder by cable, this is slow
Fast device is divided into electric vortex buffering part, hydrodynamic retarding part, built-in pump portion and half bridge section；The retarder includes outside stator
Circle, stator inner ring, left stator impeller, right stator impeller, left volute, right volute, left rotor, right rotor, magnet exciting coil, sealing gear
Plate, bearing block, left axle housing, right axle housing, semiaxis.
Rotor magnetic conduction toothed portion, intermediate fluid power part and inner ring pump blade part three parts form highly integrated rotor.
The electric vortex buffering part includes：Stator outer ring, stator inner ring, rotor magnetic conduction toothed portion, magnet exciting coil and close
Block plate.Stator outer ring forms stator after being connected with stator inner ring two parts, stator is columnar structured；Magnet exciting coil annular around
Magnet exciting coil is fixed, is sealed between the internal layer and the outer layer of stator inner ring of stator outer ring, and using sealing baffle by system, excitation
Coil is from the outlet hole outlet on stator；Rotor magnetic conduction toothed portion be located at stator outer ring internal layer and stator inner ring outer layer it
Between；Left axle housing forms axle housing after being connected with right axle housing, stator is fixed on axle housing, keeps opposing stationary between stator and axle housing；
Left rotor and right rotor are arranged symmetrically, and left rotor and right rotor are fixed with two semiaxis respectively, and left rotor and right rotor are relatively fixed
Son rotate coaxially and, have gap between left rotor, right rotor and stator.
The hydrodynamic retarding part includes fluid power part and stator impeller among rotor.Stator impeller is divided into left stator impeller
With right stator impeller two parts, the cycle circle structure of hydrodynamic retarding part is done in left stator impeller side corresponding with left rotor,
Do the cycle circle structure of hydrodynamic retarding part in right stator impeller side corresponding with right rotor；Stator impeller be fixed on axle housing and
On volute, the working solution of hydrodynamic retarding part recycles the external entrance of circle from stator impeller；Among rotor fluid power part and axle housing it
Between have certain gap, the working solution in fluid power part is thrown between rotor and stator.
The built-in pump portion includes rotor inner ring pump blade part, left volute and right volute.Shell whirlpool is fixed on axle housing,
External working solution is pumped by internal pump from the working solution import on axle housing, in the cycle circle structure of indentation hydrodynamic retarding part.
Left axle housing, right axle housing, semiaxis and wheel edge are grouped as half bridge section；Left half bridge section, right half bridge section with it is slow
The fastening of device stator case is connected.
There is rotor portion left and right two independent transmission systems, left and right two independent transmission systems can independently carry out
Differential operates；The fluid path of rotor is to enter the cycle that stator impeller fluid power part is pumped to by intake pump from axle housing working solution import
In circle, for working solution in the cycle circle of fluid power part after work, a part is thrown to outer ring out of hydraulic circular circle among rotor,
It is slow to be converged to after electric vortex buffering partial warm down in into the space of electric vortex buffering part rotor magnetic teeth and stator inner ring
In the oil sump tank of fast device bottom, radiator is pumped by cycle, carries out cycle operation.
It is as follows that a kind of bridge configuration liquid of present invention offer replies conjunction retarder assembly operation principle by cable：
When tractor-trailer is run, the power of wheel is arrived the power transmission after speedup via semiaxis by taking turns rim portion
On rotor, left rotor, right rotor independently of each other can differential operatings.After coil is powered, since coil is concentrated and is directly wound on
On stator, i.e., toroid can be formed, and toroid is an entirety.The magnetic line of force of toroid can separate on stator,
It is reached on rotor by air gap；With the rotation of rotor, the movement meeting of stator inner surface and inner ring outer surface relative rotor
Cutting magnetic induction line, and vortex is generated, the rotation of rotor is hindered, to generate braking moment, slows down the speed of vehicle, braking moment
Size have functional relation with exciting current.The current vortex of stator surface is converted into thermal energy, and the heat of generation is by retarder intracavitary
Working solution take away.Its structure of Retarder and operation principle are similar with data introduction.When Retarder works, work
To make liquid and retarder inner cavity is entered by import, centrifugal action when being rotated by rotor gets rid of working solution to stator impeller outer shroud,
High speed and high pressure working solution flows into stator impeller, accelerates to it by rotor and is converted into thermal energy acquisition with stator impeller interaction
Braking moment.Working solution is introduced into Retarder as working media, subsequently into current vortex retarder part, further band
Walk the heat of current vortex retarder.After completing a cycle, working solution falls on oil sump tank by the oil leak hole of retarder bottom, leads to
It crosses cycle and is pumped into radiator, carry out cycle operation.The braking moment that liquid replies conjunction retarder by cable is adjusted by working solution flow
The braking moment of Retarder is saved, or by the braking moment of exciting current adjustment current vortex retarder, control is that comparison is clever
Living.In emergency braking, mainly current vortex retarder helps out；When low speed is braked and current vortex plays auxiliary
Braking action；Then both it is to combine to play brake assisting effect in high speed.
Compared with being currently used for towed vehicle auxiliary braking technology, outstanding feature of the present invention is as follows.
The present invention is directly installed on as a kind of auxiliary brake device for automobile on trailer rear axle, is carried out to trailer slow
Braking.One inner cavity liquid-cooled current vortex retarder and two Retarders are set in the geometric dimension of restriction, it is expected to simultaneous
There are the high-speed response characteristic and low-speed and large-torque characteristic of current vortex retarder, while having the high speed high-torque of Retarder special
Property；And two oil-feed pumps are internally integrated in retarder, Retarder input pressure is increased, it is fast to be conducive to Retarder
Fast filling liquid；Retarder has been made into the differential assembly that an assembly structure directly substitutes original power bridge, has been installed in vehicle bridge
Portion, semiaxis are detachable；Retarder can make an integrated package, and the whole vehicle bridge of an auxiliary braking is made with vehicle bridge, peace
Overall coefficient higher, whole bridge longevity is longer, braking effect is more preferable.
Description of the drawings
Fig. 1 is that a kind of bridge configuration liquid of the present invention replies conjunction retarder assembly structure axial plane principle schematic by cable.
Fig. 2 is that a kind of bridge configuration liquid of the present invention replies conjunction retarder rotor schematic diagram by cable.
Fig. 3 is that a kind of bridge configuration liquid of the present invention replies conjunction retarder rotor schematic diagram by cable.
In figure：1, electric vortex buffering part, 2, stator outer ring, 3, left half-bridge, 4, left rotor, 5, hydrodynamic retarding part, 6,
Built-in pump portion, 7, left volute, 8, left stator impeller, 9, stator inner ring, 10, sealing baffle, 11, magnet exciting coil, 12, right half
Bridge, 13, right rotor, 14, right stator impeller, 15, right volute, 16, working solution import, 17, bearing block, 18, semiaxis, 19, wheel side
Part, 20, oil sump tank, 21, working solution outlet, 22, rotor magnetic conduction toothed portion, 23, intermediate fluid power part, 24, inner ring pump blade
Part.
Specific implementation mode
Principles and features of the present invention are further described below in conjunction with attached drawing.
As shown in Figure 1, replying conjunction retarder by cable for a kind of bridge configuration liquid of the present invention, which includes：Electric vortex buffering
Part 1, hydrodynamic retarding part 5, built-in pump portion 6 and half bridge section；Parts include mainly：Stator outer ring 2, left half-bridge 3 are left
Rotor 4, left volute 7, left stator impeller 8, stator inner ring 9, sealing baffle 10, magnet exciting coil 11, right half-bridge 12, right rotor 13,
Right stator impeller 14, right volute 15, bearing block 17, semiaxis 18 take turns rim portion 19；As shown in Figure 2,3, highly integrated rotor
Mainly it is made of rotor magnetic conduction toothed portion 22, intermediate fluid power part 23 and 24 three parts of inner ring pump blade part.
The electric vortex buffering part includes mainly：Stator, rotor magnetic conduction toothed portion, magnet exciting coil and sealing baffle.It is fixed
Son is made of stator outer ring and stator inner ring two parts, is columnar structured；Magnet exciting coil circular wound is in stator outer ring internal layer
Magnet exciting coil is fixed, is sealed between stator inner ring outer layer and using sealing baffle, from the outlet hole outlet on stator；Rotor
Magnetic conduction toothed portion is located between stator outer ring internal layer and stator inner ring outer layer；Stator is fixed on axle housing, opposing stationary；Rotor with
Semiaxis is fixed, relative stator rotate coaxially and between have a gap, rotor has left and right two independent transmission systems, left and right rotor
It can independent differential operating.
The hydrodynamic retarding part includes mainly：Fluid power part and stator impeller among rotor.Stator impeller and rotor phase
The cycle circle structure of hydrodynamic retarding part is done in corresponding side, and the cycle circle knot of Retarder is done in rotor centre fluid power part
Structure；Stator impeller is fixed on axle housing and volute, and the working solution of hydrodynamic retarding part recycles the external entrance of circle from stator impeller；Turn
Have certain gap between sub intermediate fluid power part and axle housing, the working solution in fluid power part can be thrown to rotor and stator it
Between.
The built-in pump portion includes mainly：Rotor inner ring pump blade part and volute.The blade pumped is done in rotor inner ring,
Shell whirlpool is fixed on axle housing, and external working solution is pumped by internal pump from the working solution import 16 on axle housing, indentation hydrodynamic retarding portion
In the cycle circle divided.
The half bridge section includes mainly：A left side, right axle housing, semiaxis and wheel rim portion；Left and right half bridge section is fixed with retarder
Sub- shell fastening is connected, and left and right rotor is connected with the semiaxis of homonymy.
A kind of bridge configuration liquid replies conjunction retarder by cable, and rotor portion has left and right two independent transmission systems,
Left and right rotor can independent differential operating；Its fluid path is to enter to be pumped to stator impeller liquid by intake pump from axle housing working solution import
It is a part of from the hydraulic circular among rotor after working solution works in the cycle circle of fluid power part in the cycle circle of power part
It is thrown to outer ring in circle, is electric vortex buffering part into the space of electric vortex buffering part rotor magnetic teeth and stator inner ring
It is converged to after cooling in retarder bottom oil sump tank 20, radiator is pumped by cycle, carries out cycle operation.
The foregoing is merely the present invention is explained, it is not intended to limit the invention, all within the spirits and principles of the present invention,
Any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (3)
1. a kind of bridge configuration liquid replies conjunction retarder by cable, it is characterised in that：The retarder is divided into electric vortex buffering part, fluid power delays
Fast part, built-in pump portion and half bridge section；The retarder includes stator outer ring, stator inner ring, left stator impeller, right stator leaf
Wheel, left volute, right volute, left rotor, right rotor, magnet exciting coil, sealing baffle, bearing block, left axle housing, right axle housing, semiaxis；
Rotor magnetic conduction toothed portion, intermediate fluid power part and inner ring pump blade part three parts form highly integrated rotor；
The electric vortex buffering part includes：Stator outer ring, stator inner ring, rotor magnetic conduction toothed portion, magnet exciting coil and sealing gear
Plate；Stator outer ring forms stator after being connected with stator inner ring two parts, stator is columnar structured；Magnet exciting coil circular wound exists
Between the internal layer and the outer layer of stator inner ring of stator outer ring, and magnet exciting coil is fixed, is sealed using sealing baffle, magnet exciting coil
From the outlet hole outlet on stator；Rotor magnetic conduction toothed portion is located between the internal layer and the outer layer of stator inner ring of stator outer ring；It is left
Axle housing forms axle housing after being connected with right axle housing, stator is fixed on axle housing, keeps opposing stationary between stator and axle housing；Left rotor
It is arranged symmetrically with right rotor, left rotor and right rotor are fixed with two semiaxis respectively, and left rotor and right rotor relative stator are coaxial
Rotation and, have gap between left rotor, right rotor and stator；
The hydrodynamic retarding part includes fluid power part and stator impeller among rotor；Stator impeller is divided into left stator impeller and the right side
The cycle circle structure of hydrodynamic retarding part is done in stator impeller two parts, left stator impeller side corresponding with left rotor, and the right side is fixed
Do the cycle circle structure of hydrodynamic retarding part in cotyledon wheel side corresponding with right rotor；Stator impeller is fixed on axle housing and volute
On, the working solution of hydrodynamic retarding part recycles the external entrance of circle from stator impeller；Have between fluid power part and axle housing among rotor
Working solution in fluid power part is thrown between rotor and stator by certain gap；
The built-in pump portion includes rotor inner ring pump blade part, left volute and right volute；Shell whirlpool is fixed on axle housing, built-in
External working solution is pumped by pump from the working solution import on axle housing, in the cycle circle structure of indentation hydrodynamic retarding part；
Left axle housing, right axle housing, semiaxis and wheel edge are grouped as half bridge section；Left half bridge section, right half bridge section and retarder are fixed
Sub- shell fastening is connected.
2. a kind of bridge configuration liquid according to claim 1 replies conjunction retarder by cable, it is characterised in that：Rotor portion has
Left and right two independent transmission systems, left and right two independent transmission systems can independently carry out differential operating；The fluid path of rotor
It is pumped to by intake pump in the cycle circle of stator impeller fluid power part to enter from axle housing working solution import, working solution is in fluid power portion
Point cycle circle in work after, a part among rotor hydraulic circular circle in be thrown to outer ring, into electric vortex buffering part
In the space of rotor magnetic teeth and stator inner ring, to be converged in the oil sump tank of retarder bottom after electric vortex buffering partial warm down,
It is pumped into radiator by cycle, carries out cycle operation.
3. a kind of bridge configuration liquid according to claim 1 replies conjunction retarder by cable, it is characterised in that：Tractor-trailer is run
When, the power of wheel is by taking turns rim portion, via semiaxis, by the power transmission to rotor after speedup, and left rotor, right rotor
It independently of each other can differential operating；After coil is powered, since coil is concentrated and is directly wound on stator, i.e., annular magnetic can be formed
Road, and toroid is an entirety；The magnetic line of force of toroid can separate on stator, be reached on rotor by air gap；With
The rotation of rotor, the movement meeting cutting magnetic induction line of stator inner surface and inner ring outer surface relative rotor, and generates vortex,
The rotation for hindering rotor slows down the speed of vehicle, the size and exciting current of braking moment are at function to generate braking moment
Relationship；The current vortex of stator surface is converted into thermal energy, and the heat of generation is taken away by the working solution of retarder intracavitary；Retarder
Its structure and operation principle are similar with data introduction；When Retarder works, working solution enters retarder by import
Inner cavity, centrifugal action when being rotated by rotor get rid of working solution to stator impeller outer shroud, and high speed and high pressure working solution flows into stator
Impeller accelerates it by rotor and is converted into thermal energy acquisition braking moment with stator impeller interaction；Working solution is introduced into
Retarder is as working media, subsequently into current vortex retarder part, further takes away the heat of current vortex retarder；
After completing a cycle, working solution falls on oil sump tank by the oil leak hole of retarder bottom, and radiator is pumped by cycle,
Carry out cycle operation；Liquid, which is replied by cable, to be closed the braking moment of retarder and adjusts the brake force of Retarder by working solution flow
Square, or by the braking moment of exciting current adjustment current vortex retarder, control is that comparison is flexible；It is main in emergency braking
If current vortex retarder helps out；When low speed is braked and current vortex plays brake assisting effect；In high speed,
Both it is then to combine to play brake assisting effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810137997.3A CN108462364B (en) | 2018-02-10 | 2018-02-10 | Bridge type structure hydraulic-electric composite retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810137997.3A CN108462364B (en) | 2018-02-10 | 2018-02-10 | Bridge type structure hydraulic-electric composite retarder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108462364A true CN108462364A (en) | 2018-08-28 |
| CN108462364B CN108462364B (en) | 2020-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810137997.3A Expired - Fee Related CN108462364B (en) | 2018-02-10 | 2018-02-10 | Bridge type structure hydraulic-electric composite retarder |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110682739A (en) * | 2019-10-12 | 2020-01-14 | 北京工业大学 | Braking and retarding integrated supporting bridge for trailer |
| CN114962498A (en) * | 2022-06-13 | 2022-08-30 | 安阳工学院 | Single-coil hydraulic-electric composite retarder with stator connecting piece having salient pole structure |
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| CN108462364B (en) | 2020-07-31 |
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