CN108443495A - A kind of four-wheel-drive transfer case of differential and differential locking - Google Patents
A kind of four-wheel-drive transfer case of differential and differential locking Download PDFInfo
- Publication number
- CN108443495A CN108443495A CN201810481707.7A CN201810481707A CN108443495A CN 108443495 A CN108443495 A CN 108443495A CN 201810481707 A CN201810481707 A CN 201810481707A CN 108443495 A CN108443495 A CN 108443495A
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- Prior art keywords
- gear
- axle
- differential
- shift fork
- forerunner
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- 230000000712 assembly Effects 0.000 claims abstract description 31
- 238000000429 assembly Methods 0.000 claims abstract description 31
- 239000002243 precursor Substances 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 241001656951 Protheca Species 0.000 claims description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 102000004315 Forkhead Transcription Factors Human genes 0.000 claims description 21
- 108090000852 Forkhead Transcription Factors Proteins 0.000 claims description 21
- 238000003756 stirring Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 239000011295 pitch Substances 0.000 claims 1
- 210000000515 tooth Anatomy 0.000 description 15
- 238000010586 diagram Methods 0.000 description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 241001416181 Axis axis Species 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
- B60K17/08—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/06—Differential gearings with gears having orbital motion
- F16H48/10—Differential gearings with gears having orbital motion with orbital spur gears
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/38—Constructional details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
- Retarders (AREA)
Abstract
The present invention relates to a kind of four-wheel-drive transfer cases, including box assembly, input shaft assembly, rear-guard component, differential shaft assembly, precursor assemblies and pull-fork assembly, shift fork is connected with the input shaft gear, shift fork can drive the input shaft gear can sliding axially along the input shaft, input shaft gear can engage with the rear-guard shaft gear of rear-guard component；The differential shaft assembly includes rear axle assemblies, preceding shaft assembly and differential assembly, the rear axle gear of rear axle assemblies is engaged with rear-guard gear, forerunner's gear of preceding shaft assembly is engaged with forerunner's axis driven gear of precursor assemblies, differential transmission systems are engaged and formed respectively in the planetary both sides of differential assembly with the rear axle differential gear of the front axle differential gear of preceding shaft assembly and rear axle assemblies, and the input shaft gear can be engaged with differential mechanism driven gear and/or forerunner's gear.Inventive can be stablized, safe and reliable, compact-sized, can get forerunner, rear-guard, differential 4 wheel driven, differential locking 4 wheel driven multiple drive modes.
Description
Technical field
The invention belongs to transfer case technical fields, and in particular to the four-wheel-drive transfer case of a kind of differential and differential locking.
Background technology
Mainly by 3 kinds of forerunner, rear-guard and 4 wheel driven etc. in Automobile drive mode.Apply the 4 wheel driven system on passenger car at present
System, mainly there is time sharing, in due course 4 wheel driven and full-time four-wheel drive etc..Wherein, time sharing system is due to without inter-axle differential, needing
It wants driver according to road conditions, reasonably selects 4 wheel driven or two drive schemes, it is improper to select, it is easy to lead to drive system internal power stream
Consumption.The shortcomings that in due course 4 wheel driven can overcome time sharing, principle is to judge road conditions using computer technology, automatically selects two drives
Or 4 wheel driven, this system are typically used in due to needing electric-control system to assist on high-grade passenger car.Full-time four-wheel drive system is due to axis
Between be mounted with torsional differential gear, can realize 4 wheel driven in whole process, need not manually or electric-control system intervention, but torsional differential gear knot
Structure is complicated, expensive, is only used on a small number of high-end vehicles.Using poor between each bridge of penetration type drive axle on heavy goods vehicle
Fast 4 wheel driven technology, since the emphasis of penetration type drive axle is increase rear-guard driving force, and simultaneously non-constitutive a11wheel drive structure, therefore
Requirement to differential locking is low, frequently with open type differential between penetration type drive axle.
However, in frame-steered tractor transport vehicle field, since headstock and railway carriage are turned in the opposite deflection of hinge joint, and
The operating mode variation of tractor is greatly.Rear wheel drive is usually needed when driving in underloading good road surface, is adopted when being lightly loaded non-rigid road traveling
With front-wheel drive, differential 4 wheel driven is needed when driving in fully loaded good road surface, needs differential locking four when being fully loaded with non-rigid road surface
It drives.
In conclusion it is urgent to provide a kind of performance stabilization, it is safe and reliable, compact-sized, realize the 4 wheel driven point of various modes
Dynamic case.
Invention content
It is safe and reliable, compact-sized the object of the present invention is to provide a kind of performance stabilization, realize the 4 wheel driven point of various modes
Dynamic case.
Above-mentioned purpose is to be achieved through the following technical solutions：The four-wheel-drive transfer case of a kind of differential and differential locking, including case
Body component, input shaft assembly, rear-guard component, differential shaft assembly, precursor assemblies and pull-fork assembly, the box assembly include at least
Babinet, the input shaft assembly, rear-guard component, differential shaft assembly, precursor assemblies and pull-fork assembly are fixed on the babinet, institute
The input shaft gear that input shaft assembly includes at least input shaft and is arranged on input shaft is stated, the input shaft can drive described
Input shaft gear rotates, and the pull-fork assembly includes at least shift fork, and the shift fork is connected with the input shaft gear, the shift fork
Can drive the input shaft gear can sliding axially along the input shaft, the precursor assemblies include at least forerunner's axis and setting
Forerunner's axis driven gear on forerunner's axis, the rear-guard component includes at least rear-guard axis and setting is driven on axis in the rear
Rear-guard shaft gear, the rear-guard axis are connected with input shaft by the first needle bearing, and the input shaft gear can be with the rear-guard
Shaft gear engages；The differential shaft assembly includes rear axle assemblies, preceding shaft assembly and differential assembly, and the rear axle assemblies include at least
Rear axle, rear axle gear and rear axle differential gear；The preceding shaft assembly includes at least front axle, forerunner's gear, front axle differential gear；Institute
Differential assembly is stated including at least differential mechanism driven gear, planetary gear shaft, planet wheel carrier, planetary gear thrust axle sleeve, row
Star gear, planet wheel carrier axle sleeve, planetary gear axle sleeve and thrust axle sleeve；The front axle passes through the second needle bearing with rear axle
It is connected, the differential mechanism driven gear is fixed on the planet wheel carrier, and the planet wheel carrier passes through planetary gear
Pedestal axle sleeve is mounted on the rear axle and can be rotated in rear axle, and the rear axle differential gear and rear axle gear setting are in the rear
On axis, the rear axle gear is located at the outside of the rear axle differential gear, and the rear axle gear is engaged with the rear-guard gear, institute
It states front axle differential gear and forerunner's gear is arranged on the front axle, forerunner's gear is located at the outer of the front axle differential gear
Side, forerunner's gear are engaged with forerunner's axis driven gear, the planet wheel carrier and the rear axle differential gear, preceding
Thrust axle sleeve is respectively equipped between axis differential gear, the thrust axle sleeve is respectively sleeved on the front axle and rear axle, the row
Star gear pedestal, rear axle differential gear, front axle differential gear are in contact with the thrust axle sleeve；It is set on the planet wheel carrier
There are multiple planetary gear shafts, the planetary gear is set on by the planetary gear shaft in the planetary gear shaft, described
Planetary gear thrust axle sleeve, the planet wheel carrier, planetary gear are equipped between planet wheel carrier and the planetary gear
It is in contact with the planetary gear thrust axle sleeve；The planetary both sides respectively with front axle differential gear and rear axle differential tooth
Wheel engages and forms differential transmission systems, and the input shaft gear can be engaged with differential mechanism driven gear and/or forerunner's gear.
It is preferred that planetary gear shaft circumferentially arranges that quantity is more than or equal to 2 with planetary gear, it is less than or equal to 4.
During concrete application, external impetus is transferred to input shaft, and input shaft gear, shift fork band are transferred to by input shaft
Driven input shaft gear is moved along input shaft, realize input shaft gear engaged with forerunner's gear, simultaneously with differential mechanism driven gear, preceding
Gear engagement is driven, engages with differential mechanism driven gear, engaged with rear-guard shaft gear, and then realizes different location power transmission；
At leftmost side forerunner position, input shaft gear is only engaged with forerunner's gear shift fork axle, and forerunner's gear passes power
The forerunner's axis driven gear engaged is passed, forerunner's axis driven gear drives forerunner's shaft rotation dynamic, realizes forerunner, at this point, due to
Transmission that planet wheel carrier is unpowered, it is free to rotate, power cannot be exported to rear-guard, system is in independent forerunner's state.
For shift fork axle at intermediate differential locking 4 wheel driven position, input shaft gear and forerunner's gear and differential mechanism driven gear are same
When engage, forerunner's gear imparts power to the forerunner's axis driven gear engaged, and forerunner's axis driven gear drives forerunner's axis
Rotation realizes that power is transferred to planet wheel carrier, is then passed to planetary gear shaft and row by forerunner, differential mechanism driven gear
Star gear is transferred to rear axle differential gear and rear axle by planetary gear, then after being passed to by rear axle gear and engaging
Shaft gear is driven, finally to rear-guard axis, realizes rear-guard；Since input shaft gear and forerunner's gear and differential mechanism driven gear are nibbled simultaneously
It closes, planet wheel carrier is identical with the rotating speed of forerunner's axis, front and back indifferential, is in differential locking 4 wheel driven state.
At intermediate differential 4 wheel driven position, input shaft gear is only engaged with differential mechanism driven gear shift fork axle, differential mechanism from
Power is transferred to planet wheel carrier by moving gear, and power is transferred to planetary gear shaft and planetary gear by planet wheel carrier,
It is transferred to front axle differential gear and rear axle differential gear respectively by planetary gear, is then passed to front axle and rear axle, then distinguish
It is delivered separately to the forerunner's axis driven gear engaged engagement and rear-guard shaft gear by forerunner's gear and rear axle gear,
Finally differential 4 wheel driven is realized to forerunner's axis and rear-guard axis.
For shift fork axle at rightmost side rear-guard position, input shaft tooth and rear-guard shaft gear engaged transmission pass through rear-guard shaft gear
Power is transferred to rear-guard axis, realizes that input shaft and rear-guard axis are coaxially connected, realizes independent rear-guard.
Between being mounted on front and back main reducing gear of drive axle due to transfer case, belong to speed end, the differential group in transfer case
Part rotating speed is high, and stress is small, and between centers speed discrepancy is small.Therefore differential assembly is simplified and has been strengthened, specifically：Difference is simplified first
Fast device shell, traditional differential mechanism, axle shaft gear, planetary gear, planetary gear shaft are all mounted on differential mechanism shell, shell both ends
It is fixed on babinet.The differential assembly of the present invention, differential carrier is replaced with planet wheel carrier, and is sleeved on by axle sleeve
It on rear axle, is positioned with thrust axle sleeve, while realizing that structure simplifies, moreover it is possible to rear axle driven gear be installed, and dynamic by sliding
Power input gear realizes the switching of rear-guard, differential 4 wheel driven, differential locking 4 wheel driven；Next enhances planetary gear, due to differential mechanism
In speed end, although between centers speed discrepancy is small, also planetary mounting condition is strengthened, in planetary gear inner end and
Outside is mounted with axle sleeve and thrust axle sleeve respectively, reduces the frictional force of planetary gear and planet wheel carrier and planetary gear shaft.
Inventive can be stablized, safe and reliable, compact-sized, it can be achieved that the haulage vehicle of the installing present invention is good in underloading
Rear wheel drive when road traveling uses front-wheel drive when being lightly loaded non-rigid road traveling, is needed when driving in fully loaded good road surface
Differential 4 wheel driven needs differential locking 4 wheel driven when being fully loaded with non-rigid road surface, is conducive to raising tractor and is engaged in field transhipment and road
The driving capability of road transport, prevents tyre slip or sunken vehicle, meets the needs of various road conditions different driving pattern.
Further technical solution is that the rear-guard shaft gear is equipped with internal tooth and external tooth, and the rear-guard shaft gear can pass through
Internal tooth and the input shaft gear internal messing, the rear-guard shaft gear pass through external tooth and the rear axle gear external toothing.In this way, dialling
At rightmost side rear-guard position, input shaft gear is driven with rear-guard axis by inside engaged gear fork shaft, realizes input shaft and rear-guard
Axis is coaxially connected, it can be achieved that independent rear-guard.
Further technical solution is that the differential mechanism driven gear is fixed on planetary gear shaft by driven gear bolt
Frame, the rear axle assemblies further include rear axle bolt of cover, rear Simmer ring, rear axle snap ring, rear axle angular contact bearing and rear shaft end
Lid, the rear axle driven gear are limited by spline installation with rear axis connection and by the rear axle snap ring and rear axle axis rank, institute
Rear axle one end is stated by needle bearing and preceding axis connection, the other end, which is fixed by rear axle angular contact bearing with the rear hubcap, to be connected
It connects, the rear hubcap is fixedly connected on by rear axle bolt of cover on the babinet；The preceding shaft assembly further includes that front axle is close
Seal, front axle bolt of cover, preceding hubcap, front axle snap ring and front axle angular contact bearing, forerunner's gear are installed by spline
It is limited on front axle and by front axle snap ring and front shaft rank, described front axle one end is connected with the rear axle, before the other end passes through
Shaft angle contact bearing is fixedly connected with the preceding hubcap, and the preceding hubcap is fixedly connected on described by front axle bolt of cover
On babinet.
Further technical solution is that the input shaft assembly further includes input shaft end cap, input shaft end bonnet bolt, input
Axle bearing and input Simmer ring, the input shaft gear are arranged by spline on input shaft, and one end of the input shaft is set
There are bearing of input shaft, the other end to be fixedly connected on input by the first needle bearing and rear-guard axis connection, the bearing of input shaft
On hubcap, the input shaft end cap is fixedly connected by input shaft end bonnet bolt with the babinet, in the input shaft end cap
Equipped with input Simmer ring.
Further technical solution is that the pull-fork assembly further includes shift fork axle rear enclosure, shift fork axle, shift fork axle protheca, is changed
Gear shifting block, shift fork head arm and shift fork head arm seat, the shift fork axle rear enclosure are threadedly coupled with the babinet, and the shift fork axle protheca is logical
It crosses shift fork axle front side bolt to be fixed on babinet, the both ends of the shift fork axle are respectively sleeved at the shift fork axle rear enclosure and shift fork
In axis protheca, the shift fork head arm seat is fixedly connected in the shift fork axle, the shift fork head arm and shift fork and the shift fork head
Arm seat is connected, and the gear shifting pulling head is mounted on babinet and is connect with the shift fork head arm, and stirring the gear shifting pulling head can drive
Axial movement of the shift fork axle along the shift fork axle rear enclosure and shift fork axle protheca.
In this way, when stirring gear shifting pulling head, that is, shift fork head arm is stirred, drives shift fork axle along the shift fork axle rear enclosure and shift fork
Axis protheca moves, and then drives the shift fork movement, and input shaft gear input shaft described in shift fork effect lower edge slides axially,
Input shaft gear can be realized in the different location of input shaft engaged with forerunner's gear, simultaneously with differential mechanism driven gear, Qian Quchi
Wheel engagement, engages with differential mechanism driven gear, is engaged with rear-guard shaft gear, realizes different location power transmission, is respectively completed list
Only forerunner, differential locking 4 wheel driven, differential 4 wheel driven and independent rear-guard operating mode.
Further technical solution is that the pull-fork assembly includes shift locking module, and the shift locking module is used for
The shift fork axle is limited to the precalculated position of the shift fork axle rear enclosure and shift fork axle protheca.In this way, ensureing that shift fork axle can be accurate
Stop at drive range and self-locking, realize the stopping and self-locking of shift fork and input shaft gear fixed position, it is described herein
Input shaft gear fixed position be ensure that input shaft gear engages its position on input shaft with forerunner's gear, while with difference
Its position on input shaft when fast device driven gear, the engagement of forerunner's gear, it is being inputted when being engaged with differential mechanism driven gear
Position on axis, and its position on input shaft when being engaged with rear-guard shaft gear.
Further technical solution is, the shift locking module include from lock tube, and setting described from lock tube
Spring and self-locking steel ball, the one end open from lock tube it is described to be fixed from the open end of lock tube and the shift fork axle protheca
It connects and is connected with the shift fork axle protheca, being equipped with the multiple and self-locking steel ball by preset space length in the shift fork axle matches
The self-locking grooves of conjunction, the spring oppress the self-locking steel ball in the shift fork axle.When self-locking steel ball just falls into self-locking grooves
When, self-locking is positioned and generates, when shift, when extraneous shift active force passes through self-locking grooves and the diametrical effect of self-locking steel ball
When power acts on the self-lock force of self-locking steel ball more than spring, shift fork axle axial movement drives self-locking steel ball to be moved to spring, spring
It is compressed, when shift fork axle continues axial movement, amount of spring compression release pushes self-locking steel ball to fall into next self-locking grooves, realization is changed
Gear.The entire shift process of the present invention, frictional resistance is small, and shift-feel is good.It is preferred that being equipped with 4 by preset space length in the shift fork axle
A and matched self-locking grooves of self-locking steel ball, with independent forerunner, differential locking 4 wheel driven, differential 4 wheel driven, four kinds of independent rear-guard
Gear matches.
It is preferred that described be equipped with caging bolt from lock tube, the spring is arranged on the caging bolt.
Further technical solution is that the rear-guard component further includes rear-guard axle bearing, rear-guard shaft end bonnet bolt, rear-guard axis
Sealing ring and rear-guard hubcap, the rear-guard axis are provided with rear-guard axle bearing, and the other end passes through the first needle bearing and input shaft
Connection, rear-guard axle bearing setting are driven on hubcap in the rear, the rear-guard hubcap by rear-guard shaft end bonnet bolt with
The babinet is fixedly connected, and rear-guard Simmer ring is equipped in the rear-guard hubcap.
Further technical solution is that the precursor assemblies further include forerunner's end cap, forerunner shaft end bonnet bolt, forerunner's axis axis
It holds, forerunner's Simmer ring and forerunner's shaft retaining ring, forerunner's axis driven gear are arranged on forerunner's axis and pass through forerunner's shaft retaining ring
It is positioned with axis rank, the both ends of forerunner's axis are arranged by forerunner's axle bearing on forerunner's end cap, and forerunner's end cap is logical
It crosses forerunner shaft end bonnet bolt to be fixedly connected with the babinet, forerunner's Simmer ring is equipped in forerunner's hubcap.
Further technical solution is that the box assembly further includes case lid, box body bolt, oil discharge screw, shift fork shaft-cup
Plate and cover plate bolt, the oil discharge screw are arranged on the babinet, and the case lid and shift fork axle cover board pass through the case respectively
Body bolt and cover plate bolt are fixed on the babinet.
Description of the drawings
The attached drawing for constituting the part of the present invention is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.
Fig. 1 is the outline drawing of the transfer case involved by one embodiment of the present invention；
Fig. 2 is transfer case involved in Fig. 1 along the sectional view in the faces H-H；
Fig. 3 is transfer case involved in Fig. 1 along the sectional view in the faces J-J；
Fig. 4 is the attachment structure schematic diagram of the input shaft assembly and rear-guard component involved by one embodiment of the present invention；
Fig. 5 is the differential shaft assembly partial schematic diagram involved by one embodiment of the present invention；
Fig. 6 is the pull-fork assembly partial schematic diagram involved by one embodiment of the present invention；
Fig. 7 is the precursor assemblies partial schematic diagram involved by one embodiment of the present invention；
Fig. 8 is the schematic diagram of the independent forerunner's state of transfer case involved by one embodiment of the present invention；
Fig. 9 is the schematic diagram of the transfer case differential locking 4 wheel driven state involved by one embodiment of the present invention；
Figure 10 is the schematic diagram of the transfer case differential 4 wheel driven state involved by one embodiment of the present invention；
Figure 11 is the schematic diagram of the independent rear-guard state of differential four-wheel-drive transfer case involved by one embodiment of the present invention.
In figure：
A box assemblies B inputs shaft assembly C rear-guard components
D differential shaft assembly E precursor assemblies F pull-fork assemblies
A1 case lid A2 box body bolt A3 babinets
A4 oil discharge screw A5 shift fork axle cover board A6 cover plate bolts
B1 input shaft end caps B2 inputs Simmer ring B3 input shaft end bonnet bolts
B4 input shaft B5 bearing of input shaft B6 input shaft gears
C1 rear-guard shaft gear C2 rear-guard axle bearing C3 rear-guards shaft end bonnet bolt
C4 rear-guard axis C5 rear-guard Simmer ring the first needle bearings of C6
Shaft assembly before C7 rear-guard hubcap D1 rear axle assemblies D2
Hubcap after D3 differential assembly D11 rear axle gears D12
D13 rear axle bolt of cover D14 rear axle D15 rear axle snap rings
D16 rear axle angular contact bearing D17 rear axle differential gear D21 front axles
Hubcap D24 front axle angular contact bearings before D22 front axle bolt of cover D23
D25 front axle snap ring D26 the second needle bearing D27 front axle differential gears
31 planet wheel carrier D32 planetary gear shafts of D28 forerunner's gear D
D33 differential mechanism driven gear D34 driven gear bolt D35 planetary gear thrust axle sleeves
D36 planetary gear D37 planet wheel carrier axle sleeve D38 planetary gear axle sleeves
D39 thrust axle sleeve E1 forerunner's end cap E2 forerunner's axis
E3 forerunner shaft end bonnet bolt E4 forerunner's axle bearing E5 forerunner's Simmer ring
E6 forerunner's shaft retaining ring E7 forerunner's axis driven gear F1 shift fork axle rear enclosures
F2 shift fork axles F3 springs F4 is from lock tube
F5 caging bolt F6 self-locking steel ball F7 self-locking grooves
F8 shift fork axle front side bolt F9 shift fork axle protheca F10 shift fork arm seats
F11 shift fork head arm F12 shift fork F13 gear shifting pulling heads
Specific implementation mode
Present invention will now be described in detail with reference to the accompanying drawings., and the description of this part is only exemplary and explanatory, is not answered
There is any restriction effect to protection scope of the present invention.In addition, description of the those skilled in the art according to this document, it can be right
Feature in this document in embodiment and in different embodiments carries out the corresponding combination.
The embodiment of the present invention is as follows, referring to Fig.1~11, the four-wheel-drive transfer case of a kind of differential and differential locking, including babinet
Component A inputs shaft assembly B, rear-guard component C, differential shaft assembly D, precursor assemblies E and pull-fork assembly F, and the box assembly A is extremely
Include less babinet A3, the input shaft assembly B, rear-guard component C, differential shaft assembly D, precursor assemblies E and pull-fork assembly F are fixed on
On the babinet A3, the input shaft assembly B is including at least input shaft B4 and the input shaft gear being arranged on input shaft B4
B6, the input shaft B4 can drive the input shaft gear B6 to rotate, and the pull-fork assembly F includes at least shift fork F12, described group
Fork F12 is connected with the input shaft gear B6, and the shift fork F12 can drive the input shaft gear B6 can be along the input shaft B4
Slide axially, the precursor assemblies E includes at least the forerunner's axis E2 and forerunner axis driven gear E7 that is arranged on forerunner's axis E2,
The rear-guard component C includes at least rear-guard axis C4 and the rear-guard shaft gear C1 driven in the rear on axis C4, the rear-guard is arranged
Axis C4 is connected with input shaft B4 by the first needle bearing C6, and the input shaft gear B6 can be nibbled with the rear-guard shaft gear C1
It closes；The differential shaft assembly D includes rear axle assemblies D1, preceding shaft assembly D2 and differential assembly D3, and the rear axle assemblies D1 is at least wrapped
Include rear axle D14, rear axle gear D11 and rear axle differential gear D17；The preceding shaft assembly D2 includes at least front axle D21, forerunner's gear
D28, front axle differential gear D27；The differential assembly D3 includes at least differential mechanism driven gear D33, planetary gear shaft D32, row
Star gear pedestal D31, planetary gear thrust axle sleeve D35, planetary gear D36, planet wheel carrier axle sleeve D37, planetary gear shaft
Cover D38 and thrust axle sleeve D39；The front axle D21 is connected with rear axle D14 by the second needle bearing D6, and the differential mechanism is driven
Gear D 33 is fixed on the planet wheel carrier D31, and the planet wheel carrier D31 passes through planet wheel carrier axle sleeve D37
It can rotate on the rear axle D14 and along rear axle D14, the rear axle differential gear D17 and rear axle gear D11 are arranged in institute
It states on rear axle D14, the rear axle gear D11 is located at the outside of the rear axle differential gear D17, the rear axle gear D11 and institute
The engagement of rear-guard gear is stated, the front axle differential gear D27 and forerunner's gear D 28 are arranged on the front axle D21, forerunner's tooth
Wheel D28 is located at the outside of the front axle differential gear D27, and forerunner's gear D 28 is engaged with forerunner's axis driven gear E7,
It is respectively equipped with thrust axle sleeve between the planet wheel carrier D31 and the rear axle differential gear D17, front axle differential gear D27
D39, the thrust axle sleeve D39 are respectively sleeved on the front axle D21 and rear axle D14, the planet wheel carrier D31, rear axle
Differential gear D17, front axle differential gear D27 are in contact with the thrust axle sleeve D39；The planet wheel carrier D31 is equipped with
Multiple planetary gear shaft D32, the planetary gear shaft D32 are uniformly arranged and lead to along the circumferential direction of the differential mechanism driven gear D33
The D33 limits of differential mechanism driven gear are crossed, the planetary gear D36 is arranged by the planetary gear axle sleeve D38 in the planet
On gear shaft D32, planetary gear thrust axle sleeve D35 is equipped between the planet wheel carrier D31 and the planetary gear D36,
The planetary gear thrust axle sleeve D35 is set on the planetary gear shaft D32, the planet wheel carrier D31, planetary gear
D36 is in contact with the planetary gear thrust axle sleeve D35；The both sides of the planetary gear D36 respectively with front axle differential gear D27
Differential transmission systems are engaged and form with rear axle differential gear D17, the input shaft gear B6 can be with differential mechanism driven gear D33
And/or forerunner's gear D 28 engages.
It is preferred that planetary gear shaft D32 and planetary gear D36 circumferentially arranges that quantity is more than or equal to 2, it is less than or equal to 4.
During concrete application, external impetus is transferred to input shaft B4, and input shaft gear B6 is transferred to by input shaft B4,
Shift fork F12 drives input shaft gear B6 to be moved along input shaft B4, realizes that input shaft gear B6 is engaged, simultaneously with forerunner's gear D 28
It is engaged with differential mechanism driven gear D33, forerunner's gear D 28, engages with differential mechanism driven gear D33, nibbled with rear-guard shaft gear C1
It closes, and then realizes different location power transmission.
As shown in figure 8, shift fork axle F2 is at leftmost side forerunner position, input shaft gear B6 is only engaged with forerunner's gear D 28,
Forerunner's gear D 28 imparts power to the forerunner axis driven gear E7 engaged, and forerunner's axis driven gear E7 drives forerunner's axis
E2 is rotated, and realizes forerunner, at this point, due to the unpowered transmissions of planet wheel carrier D31, it is free to rotate, rear-guard cannot be exported
Power, system are in independent forerunner's state.
As shown in figure 9, shift fork axle F2 is at intermediate differential locking 4 wheel driven position, input shaft gear B6 and forerunner's gear D 28
It is engaged simultaneously with differential mechanism driven gear D33, forerunner's gear D 28 imparts power to the forerunner's axis driven gear engaged
E7, forerunner's axis driven gear E7 drive the E2 rotations of forerunner's axis, realize that power is transferred to row by forerunner, differential mechanism driven gear D33
Star gear pedestal D31, is then passed to planetary gear shaft D32 and planetary gear D36, and rear axle is transferred to by planetary gear D36
Differential gear D17 and rear axle D14, then the rear-guard shaft gear C1 engaged is passed to by rear axle gear D11, finally to rear-guard
Axis C4 realizes rear-guard；Since input shaft gear B6 is engaged simultaneously with forerunner's gear D 28 and differential mechanism driven gear D33, planet tooth
Axle stand D31 is identical with the rotating speed of forerunner's axis E2, front and back indifferential, is in differential locking 4 wheel driven state.
As shown in Figure 10, shift fork axle F2 is at intermediate differential 4 wheel driven position, input shaft gear B6 only with differential mechanism driven tooth
D33 engagements are taken turns, power is transferred to planet wheel carrier D31 by differential mechanism driven gear D33, and planet wheel carrier D31 is by power
It is transferred to planetary gear shaft D32 and planetary gear D36, front axle differential gear D27 is transferred to after by planetary gear D36 respectively
Axis differential gear D17 is then passed to front axle D21 and rear axle D14, then passes through D11 points of forerunner's gear D 28 and rear axle gear respectively
Supplementary biography passs the forerunner's axis driven gear E7 engagements engaged and rear-guard shaft gear C1, finally to forerunner's axis E2 and rear-guard
Axis C4 realizes differential 4 wheel driven.
As shown in figure 11, the shift fork axle F2 at rightmost side rear-guard position, with rear-guard shaft gear C1 nibble by input shaft B4 teeth
Transmission is closed, power is transferred to by rear-guard axis C4 by rear-guard shaft gear C1, realizes that input shaft B4 and rear-guard axis C4 is coaxially connected, it is real
Now independent rear-guard.
Inventive can be stablized, safe and reliable, compact-sized, it can be achieved that the haulage vehicle of the installing present invention is good in underloading
Rear wheel drive when road traveling uses front-wheel drive when being lightly loaded non-rigid road traveling, is needed when driving in fully loaded good road surface
Differential 4 wheel driven needs differential locking 4 wheel driven when being fully loaded with non-rigid road surface, can get good driving capability and reduces transmission damage
It loses, effectively improves the consumption of drive system internal power stream.
On the basis of above-described embodiment, in another embodiment of the present invention, as Figure 11, the rear-guard shaft gear C1 are equipped with internal tooth
And external tooth, the rear-guard shaft gear C1 can be by internal tooths and the input shaft gear B6 internal messings, the rear-guard shaft gear C1 is logical
Cross external tooth and the rear axle gear D11 external toothings.In this way, shift fork axle F2 is at rightmost side rear-guard position, input shaft gear B6 with
Rear-guard axis C4 is driven by inside engaged gear, realizes that input shaft B4 and rear-guard axis C4 is coaxially connected, it can be achieved that independent rear-guard.
On the basis of above-described embodiment, in another embodiment of the present invention, as Fig. 5, the differential mechanism driven gear D33 pass through
It further includes rear axle bolt of cover 13, rear axle that driven gear bolt D34, which is fixed on planet wheel carrier D31, the rear axle assemblies D1,
D14 sealing rings, rear axle snap ring D15, rear axle angular contact bearing D16 and rear hubcap D12, the rear axle D14 driven gears pass through
Spline installation connect with rear axle D14 and is limited by the rear axle snap ring D15 and rear axle D14 axis ranks, and the one end the rear axle D14 is logical
Needle bearing to be crossed to connect with front axle D21, the other end is fixedly connected by rear axle angular contact bearing D16 with the rear hubcap D12,
Hubcap D12 is fixedly connected on by rear axle bolt of cover 13 on the babinet A3 after described；The preceding shaft assembly D2 further includes
Front axle D21 sealing rings, front axle snap ring D25, front axle bolt of cover D22, preceding hubcap D23 and front axle angular contact bearing D24, it is described
Forerunner's gear D 28 is mounted on by spline on front axle D21, and is limited by front axle snap ring D25 and front shaft rank, the front axle
The one end D21 is connected with the rear axle D14, and the other end, which is fixed by front axle angular contact bearing D24 with the preceding hubcap D23, to be connected
It connects, the preceding hubcap D23 is fixedly connected on by front axle bolt of cover D22 on the babinet A3.
On the basis of above-described embodiment, in another embodiment of the present invention, if Fig. 4, the input shaft assembly B further include input
Hubcap B1, input shaft end bonnet bolt B3, bearing of input shaft B5 and input Simmer ring B2, the input shaft gear B6 pass through flower
Key is arranged on input shaft B4, and one end of the input shaft B4 is equipped with bearing of input shaft B5, and the other end passes through the first needle bearing
C6 is connect with rear-guard axis C4, and the bearing of input shaft B5 is fixedly connected on input shaft end cap B1, and the input shaft end cap B1 is logical
It crosses input shaft end bonnet bolt B3 to be fixedly connected with the babinet A3, input Simmer ring B2 is equipped in the input shaft end cap B1.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 1 and Fig. 6, the pull-fork assembly F further includes
Shift fork axle rear enclosure F1, shift fork axle F2, shift fork axle protheca F9, gear shifting pulling head F13, shift fork head arm F11 and shift fork head arm seat F10, institute
It states shift fork axle rear enclosure F1 to be threadedly coupled with the babinet A3, the shift fork axle protheca F9 is fixed on by shift fork axle front side bolt F8
On babinet A3, the both ends of the shift fork axle F2 are respectively sleeved in the shift fork axle rear enclosure F1 and shift fork axle protheca F9, described
Shift fork head arm seat F10 is fixedly connected on the shift fork axle F2, the shift fork head arm F11 and shift fork F12 and the shift fork head arm
Seat F10 is connected, and the gear shifting pulling head F13 is mounted on babinet A3 and is connect with the shift fork head arm F11, stirs the shift and dials
Head F13 can drive the shift fork axle F2 along the axial movement of the shift fork axle rear enclosure F1 and shift fork axle protheca F9.
In this way, when stirring gear shifting pulling head F13, that is, shift fork head arm F11 is stirred, drives shift fork axle F2 after the shift fork axle
F1 and the F9 movements of shift fork axle protheca are covered, and then the shift fork F12 movements, input shaft gear B6 is driven to act on lower edge in shift fork F12
The input shaft B4's slides axially, and input shaft gear B6 can be realized in the different location of input shaft B4 and be nibbled with forerunner's gear D 28
It closes while engage with differential mechanism driven gear D33, forerunner's gear D 28, engaged with differential mechanism driven gear D33, and rear-guard axis tooth
Take turns C1 engagement, realize different location power transmission, be respectively completed independent forerunner, differential locking 4 wheel driven, differential 4 wheel driven and individually after
The operating mode of drive.
On the basis of above-described embodiment, in another embodiment of the present invention, if Fig. 6, the pull-fork assembly F include shift locking
Module, the shift locking module are used to the shift fork axle F2 being limited to the shift fork axle rear enclosure F1's and shift fork axle protheca F9
Precalculated position.In this way, ensureing that shift fork axle F2 can accurately stop at drive range and self-locking, shift fork F12 and input shaft are realized
The stopping and self-locking of 6 fixed position of gear B, the fixed positions input shaft gear B6 described herein are to ensure input shaft gear B6
Its position on input shaft B4 is engaged with forerunner's gear D 28, while being engaged with differential mechanism driven gear D33, forerunner's gear D 28
When its position on input shaft B4, its position on input shaft B4 when being engaged with differential mechanism driven gear D33, and with it is rear
Its position on input shaft B4 when driving shaft gear C1 engagements.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 6, the shift locking module includes self-locking
F4 is covered, and the spring F3 described from lock tube F4 and self-locking steel ball F6 are set, the one end open from lock tube F4 is described
It is fixedly connected with the shift fork axle protheca F9 from the open end of lock tube F4 and is connected with the shift fork axle protheca F9, the shift fork
It is equipped with by preset space length multiple with the matched self-locking grooves F7 of self-locking steel ball F6 on axis F2, the spring F3 is by the self-locking
Steel ball F6 compressings are on the shift fork axle F2.When self-locking steel ball F6 just falls into self-locking grooves F7, self-locking is positioned and generated, is shifted gears
When, when extraneous shift active force is acted on by the diametrical active forces of self-locking grooves F7 and self-locking steel ball F6 more than spring F3
When the self-lock force of self-locking steel ball F6, shift fork axle F2 axial movements drive self-locking steel ball F6 to be moved to spring F3, and spring F3 is compressed,
When shift fork axle F2 continues axial movement, the release of spring F3 decrements pushes self-locking steel ball F6 to fall into next self-locking grooves F7, realization is changed
Gear.The entire shift process of the present invention, frictional resistance is small, and shift-feel is good.It is preferred that being equipped with by preset space length on the shift fork axle F2
4 and the matched self-locking grooves F7 of self-locking steel ball F6, with independent forerunner, differential locking 4 wheel driven, differential 4 wheel driven, independent rear-guard
Four kinds of gears match.
It is described that limit spiral shell is equipped with from lock tube F4 such as Fig. 6 in another embodiment of the present invention on the basis of above-described embodiment
Bolt F5, the spring F3 settings are on the caging bolt F5.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 4, the rear-guard component C further includes rear-guard axis
Bearing C2, rear-guard shaft end bonnet bolt C3, rear-guard Simmer ring C5 and rear-guard hubcap C7, the rear-guard axis C4 are provided with rear-guard axis
Bearing C2, the other end are connect by the first needle bearing C6 with input shaft B4, and the rear-guard axle bearing C2 settings are driven in the rear
On hubcap C7, the rear-guard hubcap C7 is fixedly connected by rear-guard shaft end bonnet bolt C3 with the babinet A3, the rear-guard
Rear-guard Simmer ring C5 is equipped in hubcap C7.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 7, the precursor assemblies E further includes forerunner end
Cover E1, forerunner shaft end bonnet bolt E3, forerunner's axle bearing E4, forerunner's Simmer ring E5 and forerunner's shaft retaining ring E6, forerunner's axis from
Moving gear E7 is arranged on forerunner's axis E2 and is positioned by forerunner's shaft retaining ring E6 and axis rank, before the both ends of forerunner's axis E2 pass through
It drives axle bearing E4 to be arranged on forerunner's end cap E1, forerunner's end cap E1 passes through forerunner shaft end bonnet bolt E3 and the babinet
A3 is fixedly connected, and forerunner's Simmer ring E5 is equipped in forerunner's axis E2 end caps.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 1~3, the box assembly A further includes case
A1, box body bolt A2, oil discharge screw A4, shift fork axle cover board A5 and cover plate bolt A6 are covered, the oil discharge screw A4 settings are described
On babinet A3, the case lid A1 and shift fork axle cover board A5 are fixed on by the box body bolt A2 and cover plate bolt A6 described respectively
On babinet A3.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. the four-wheel-drive transfer case of a kind of differential and differential locking, which is characterized in that including box assembly, input shaft assembly, rear-guard
Component, differential shaft assembly, precursor assemblies and pull-fork assembly, the box assembly include at least babinet, the input shaft assembly, after
Component is driven, differential shaft assembly, precursor assemblies and pull-fork assembly are fixed on the babinet, and the input shaft assembly includes at least defeated
The input shaft gear for entering axis and being arranged on input shaft, the input shaft can drive the input shaft gear to rotate, described group
It pitches component and includes at least shift fork, the shift fork is connected with the input shaft gear, and the shift fork can drive the input shaft gear
Can sliding axially along the input shaft, the precursor assemblies include at least forerunner's axis and forerunner's axis for being arranged on forerunner's axis from
Moving gear, the rear-guard component include at least rear-guard axis and the rear-guard shaft gear driven in the rear on axis, the rear-guard are arranged
Axis is connected with input shaft by the first needle bearing, and the input shaft gear can be engaged with the rear-guard shaft gear；The differential
Shaft assembly includes rear axle assemblies, preceding shaft assembly and differential assembly, and the rear axle assemblies include at least rear axle, rear axle gear and rear axle
Differential gear；The preceding shaft assembly includes at least front axle, forerunner's gear, front axle differential gear；The differential assembly includes at least
Differential mechanism driven gear, planetary gear shaft, planet wheel carrier, planetary gear thrust axle sleeve, planetary gear, planet wheel carrier
Axle sleeve, planetary gear axle sleeve and thrust axle sleeve；The front axle is connected with rear axle by the second needle bearing, and the differential mechanism is driven
Gear is fixed on the planet wheel carrier, and the planet wheel carrier is installed in the rear by planet wheel carrier axle sleeve
It can rotate on axis and along rear axle, the rear axle differential gear and rear axle gear are arranged on axis in the rear, the rear axle gear position
In the outside of the rear axle differential gear, the rear axle gear is engaged with the rear-guard gear, and the front axle differential gear is with before
Gear is driven to be arranged on the front axle, forerunner's gear is located at the outside of the front axle differential gear, forerunner's gear and
Forerunner's axis driven gear engagement, divides between the planet wheel carrier and the rear axle differential gear, front axle differential gear
Not She You thrust axle sleeve, the thrust axle sleeve is respectively sleeved on the front axle and rear axle, and the planet wheel carrier, rear axle are poor
Fast gear, front axle differential gear are in contact with the thrust axle sleeve；The planet wheel carrier is equipped with multiple planetary gear shafts,
The planetary gear shaft is uniformly arranged along the circumferential direction of the differential mechanism driven gear and is limited by differential mechanism driven gear, described
Planetary gear is set on by the planetary gear shaft in the planetary gear shaft, the planet wheel carrier and the planet
Planetary gear thrust axle sleeve is equipped between gear, the planetary gear thrust axle sleeve is set in the planetary gear shaft, described
Planet wheel carrier, planetary gear are in contact with the planetary gear thrust axle sleeve；The planetary both sides respectively with it is preceding
Axis differential gear and rear axle differential gear engage and form differential transmission systems, and the input shaft gear can be with differential mechanism driven tooth
Wheel and/or the engagement of forerunner's gear.
2. the four-wheel-drive transfer case of differential according to claim 1 and differential locking, which is characterized in that the rear-guard shaft gear
Equipped with internal tooth and external tooth, the rear-guard shaft gear can pass through internal tooth and the input shaft gear internal messing, the rear-guard shaft gear
Pass through external tooth and the rear axle gear external toothing.
3. the four-wheel-drive transfer case of differential according to claim 1 and differential locking, which is characterized in that the differential mechanism is driven
Gear is fixed on planet wheel carrier by driven gear bolt, and the rear axle assemblies further include that rear axle bolt of cover, rear axle are close
Seal, rear axle snap ring, rear axle angular contact bearing and rear hubcap, the rear axle driven gear pass through spline installation and rear axis connection
And limited by the rear axle snap ring and rear axle axis rank, by needle bearing and preceding axis connection, the other end is logical for described rear axle one end
Later shaft angle contact bearing is fixedly connected with the rear hubcap, and the rear hubcap is fixedly connected on by rear axle bolt of cover
On the babinet；The preceding shaft assembly further includes preceding Simmer ring, front axle bolt of cover, preceding hubcap, front axle snap ring and front axle
Angular contact bearing, forerunner's gear is mounted on front axle by spline and is limited by front axle snap ring and front shaft rank, described
Front axle one end is connected with the rear axle, and the other end is fixedly connected by front axle angular contact bearing with the preceding hubcap, before described
Hubcap is fixedly connected on by front axle bolt of cover on the babinet.
4. the four-wheel-drive transfer case of differential according to claim 3 and differential locking, which is characterized in that the input shaft assembly
Further include that input shaft end cap, input shaft end bonnet bolt, bearing of input shaft and input Simmer ring, the input shaft gear pass through flower
Key is arranged on input shaft, and one end of the input shaft is equipped with bearing of input shaft, and the other end passes through the first needle bearing and rear-guard
Axis connection, the bearing of input shaft are fixedly connected on input shaft end and cover, and the input shaft end cap passes through input shaft end bonnet bolt
It is fixedly connected with the babinet, input Simmer ring is equipped in the input shaft end cap.
5. the four-wheel-drive transfer case of the differential and differential locking according to Claims 1 to 4 any one, which is characterized in that institute
It further includes shift fork axle rear enclosure, shift fork axle, shift fork axle protheca, gear shifting pulling head, shift fork head arm and shift fork head arm seat, institute to state pull-fork assembly
It states shift fork axle rear enclosure to be threadedly coupled with the babinet, the shift fork axle protheca is fixed on by shift fork axle front side bolt in babinet
On, the both ends of the shift fork axle are respectively sleeved in the shift fork axle rear enclosure and shift fork axle protheca, and the shift fork head arm seat is fixed
It is connected in the shift fork axle, the shift fork head arm and shift fork are connected with the shift fork head arm seat, and the gear shifting pulling head is mounted on
Connect on babinet and with the shift fork head arm, stir the gear shifting pulling head shift fork axle can be driven along the shift fork axle rear enclosure and
The axial movement of shift fork axle protheca.
6. the four-wheel-drive transfer case of differential according to claim 5 and differential locking, which is characterized in that the pull-fork assembly packet
Shift locking module is included, the shift locking module by the shift fork axle for before being limited to the shift fork axle rear enclosure and shift fork axle
The precalculated position of set.
7. the four-wheel-drive transfer case of differential according to claim 6 and differential locking, which is characterized in that the shift locking mould
Block includes and the spring described from lock tube and self-locking steel ball being arranged from lock tube, and the one end open from lock tube is described
It is fixedly connected with the shift fork axle protheca from the open end of lock tube and is connected with the shift fork axle protheca, pressed in the shift fork axle
Preset space length is equipped with the multiple and matched self-locking grooves of self-locking steel ball, and the spring oppresses the self-locking steel ball described
In shift fork axle.
8. the four-wheel-drive transfer case of differential according to claim 5 and differential locking, which is characterized in that the rear-guard component is also
Including rear-guard axle bearing, rear-guard shaft end bonnet bolt, rear-guard Simmer ring and rear-guard hubcap, the rear-guard axis is provided with rear-guard axis
Bearing, the other end are driven on hubcap in the rear by the first needle bearing and input axis connection, the rear-guard axle bearing setting,
The rear-guard hubcap is fixedly connected by rear-guard shaft end bonnet bolt with the babinet, and rear-guard axis is equipped in the rear-guard hubcap
Sealing ring.
9. the four-wheel-drive transfer case of differential according to claim 8 and differential locking, which is characterized in that the precursor assemblies are also
Including forerunner's end cap, forerunner shaft end bonnet bolt, forerunner's axle bearing, forerunner's Simmer ring and forerunner's shaft retaining ring, forerunner's axis from
Moving gear is arranged on forerunner's axis and is positioned by forerunner's shaft retaining ring and axis rank, and the both ends of forerunner's axis pass through forerunner's axle bearing
It is arranged on forerunner's end cap, forerunner's end cap is fixedly connected by forerunner shaft end bonnet bolt with the babinet, before described
It drives and is equipped with forerunner's Simmer ring in hubcap.
10. the four-wheel-drive transfer case of differential according to claim 9 and differential locking, which is characterized in that the box assembly
Further include case lid, box body bolt, oil discharge screw, shift fork axle cover board and cover plate bolt, the oil discharge screw is arranged in the babinet
On, the case lid and shift fork axle cover board are fixed on by the box body bolt and cover plate bolt on the babinet respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810481707.7A CN108443495B (en) | 2018-05-18 | 2018-05-18 | Differential and differential locking four-wheel drive transfer case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810481707.7A CN108443495B (en) | 2018-05-18 | 2018-05-18 | Differential and differential locking four-wheel drive transfer case |
Publications (2)
| Publication Number | Publication Date |
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| CN108443495A true CN108443495A (en) | 2018-08-24 |
| CN108443495B CN108443495B (en) | 2024-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810481707.7A Active CN108443495B (en) | 2018-05-18 | 2018-05-18 | Differential and differential locking four-wheel drive transfer case |
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| CN110466349A (en) * | 2019-08-08 | 2019-11-19 | 山东五征集团有限公司 | Time sharing commercial vehicle transfer case with differential limitation |
| CN114537134A (en) * | 2022-03-15 | 2022-05-27 | 中国第一汽车股份有限公司 | Transfer case and vehicle |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108443495B (en) | 2024-04-05 |
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