CN110486441A - A kind of shaft space difference speed lock construction - Google Patents
A kind of shaft space difference speed lock construction Download PDFInfo
- Publication number
- CN110486441A CN110486441A CN201910743939.XA CN201910743939A CN110486441A CN 110486441 A CN110486441 A CN 110486441A CN 201910743939 A CN201910743939 A CN 201910743939A CN 110486441 A CN110486441 A CN 110486441A
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- shaft
- axle
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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
- F16H48/00—Differential gearings
- F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
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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
- F16H48/00—Differential gearings
- F16H48/38—Constructional details
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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
- F16H48/00—Differential gearings
- F16H48/38—Constructional details
- F16H48/40—Constructional details characterised by features of the rotating cases
-
- 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
- F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
- F16H2048/201—Arrangements for suppressing or influencing the differential action, e.g. locking devices with means directly braking the orbital gears
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention belongs to automobiles to penetrate through vehicle bridge field, disclose a kind of shaft space difference speed lock construction, including active cylindrical gear shaft, active roller gear, slidably engage set and inter-axle differential shell, active cylindrical gear shaft has multistage shaft part, active roller gear and inter-axle differential shell are configured on adjacent two-stage shaft part, and inter-axle differential shell is fixedly connected with active cylindrical gear shaft；It slidably engages set and is fixedly connected between centers differential carrier, slidably engaging set can move between the first location and the second location, and engage in first position with active roller gear.Beneficial effects of the present invention: active roller gear connect with inter-axle differential shell on adjacent shaft part using slidably engaging set, realize the differential latch functions between penetrating bridge and rear axle, the axial dimension for shortening active cylindrical gear shaft reduces the weight of active cylindrical gear shaft；Active roller gear improves the carrying rigidity and reliable transmission of active roller gear closer to fore bearing.
Description
Technical field
The present invention relates to automobile perforation vehicle bridge technical field more particularly to a kind of shaft space difference speed lock constructions.
Background technique
Domestic automobile penetrates through in axle assembly, using shaft space difference speed structure for realizing between perforation axle assembly and rear axle assy
Differential function, and use shaft space difference speed lock construction locking inter-axle differential in wet and slippery muddy road surface, prevent wheel-slip.Mesh
Preceding common structure is connect respectively with cylindrical gear shaft, active roller gear to realize differential locking using set is slidably engaged
Function.Such structure increases the axial dimension of cylindrical gear shaft, increases the weight and cost of cylindrical gear shaft；It increases
The axial dimension of penetrating bridge retarder, and increase the weight and cost of cylindrical gear shell；Two in active cylindrical gear shaft
The distance of bearing is larger, and distance of the active roller gear apart from bearing is larger, reduces the rigidity of support of active roller gear.
Summary of the invention
The purpose of the present invention is to provide a kind of shaft space difference speed lock constructions, to solve the axial direction of above-mentioned existing cylindrical gear shaft
The big problem of shaft space difference speed lock construction cylindrical gear shaft weight caused by size.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of shaft space difference speed lock construction, including active cylindrical gear shaft, active roller gear, slidably engage set and between centers is poor
Fast device shell, in which:
The active cylindrical gear shaft has multistage shaft part, and the active roller gear and the inter-axle differential shell are matched
It sets on the shaft part described in adjacent two-stage, and the inter-axle differential shell is fixedly connected with the active cylindrical gear shaft；
The set that slidably engages is fixedly connected with the inter-axle differential shell, and the set that slidably engages can be along axial direction first
It moves between position and the second position, and is engaged in the first position with the active roller gear, the between centers is poor at this time
Fast lock construction is lockup state.
As a kind of preferred embodiment of above-mentioned shaft space difference speed lock construction, it is equipped with cross axle in the inter-axle differential shell,
The cross axle engages the active cylindrical gear shaft.
As a kind of preferred embodiment of above-mentioned shaft space difference speed lock construction, the inter-axle differential shell corresponds to the cross axle
Four axle portions open up four sphere holes, the end face of four axle portions of the cross axle is spherical surface.
As a kind of preferred embodiment of above-mentioned shaft space difference speed lock construction, the end face also shape of four axle portions of the cross axle
At blind hole, each blind hole is equipped with a straight pin, and the straight pin extends to and the inter-axle differential from the cross axle
Shell is concordant, and each axle portion is equipped with a planetary gear, and the planetary gear is engaged with the active roller gear.
As a kind of preferred embodiment of above-mentioned shaft space difference speed lock construction, it is additionally provided in the active cylindrical gear shaft later half
Shaft gear, the rear axle shaft gear are engaged with the planetary gear.
As a kind of preferred embodiment of above-mentioned shaft space difference speed lock construction, the periphery of the rear axle shaft gear is equipped with rear bearing
It is supported, the active cylindrical gear shaft is equipped with fore bearing in one end periphery far from the rear axle shaft gear and is supported.
As a kind of preferred embodiment of above-mentioned shaft space difference speed lock construction, the active cylindrical gear shaft is outer along being axially arranged with
The different first order shaft part of diameter, second level shaft part, third level shaft part and fourth stage shaft part, the first order shaft part are equipped with described
Fore bearing, the second level shaft part are equipped with the active roller gear, and the third level shaft part is equipped with the cross axle, institute
It states fourth stage shaft part and is equipped with the rear axle shaft gear.
As a kind of preferred embodiment of above-mentioned shaft space difference speed lock construction, the third level shaft part and the fourth stage shaft part
Between form annular shoulder, it is described after the increment of axle shaft gear abut the annular shoulder.
As a kind of preferred embodiment of above-mentioned shaft space difference speed lock construction, the outer peripheral surface for slidably engaging set connects one
Shift fork.
As a kind of preferred embodiment of above-mentioned shaft space difference speed lock construction, the periphery for slidably engaging set is equipped with annular
Slot, the shift fork are equipped with the fork for being connected to the annular groove.
Beneficial effects of the present invention: using slidably engaging set for active roller gear and inter-axle differential on adjacent shaft part
The differential latch functions between penetrating bridge and rear axle are realized in shell connection, and the use of replacement originally slidably engages nested structure and will lead
Dynamic roller gear and active roller gear axis connection.Such structure shortens the axial dimension of active cylindrical gear shaft, reduces
The weight and cost of active cylindrical gear shaft；The axial dimension for shortening penetrating bridge retarder is easy to the matching of transmission shaft；Mitigate
The weight and cost of cylindrical gear shell；Active roller gear improves the carrying of active roller gear closer to fore bearing
Rigidity, improves reliable transmission.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the shaft space difference speed lock construction of embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the active cylindrical gear shaft of the shaft space difference speed lock construction of embodiment of the present invention.
In figure:
1- active cylindrical gear shaft；2- needle bearing group；3- active roller gear；4- slidably engages set；5- straight pin；6-
Inter-axle differential shell；7- planetary gear；Axle shaft gear after 8-；9- shift fork；10- cross axle；11- rear bearing；12- fore bearing；
100- convex lip；101- first order shaft part；The second level 102- shaft part；103- third level shaft part；104- fourth stage shaft part；105- annular
Shoulder.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
In the description of the present invention unless specifically defined or limited otherwise, term " connected ", " connection ", " fixation " are answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or is integral；It can be mechanical connection,
It can be electrical connection；It can be directly connected, the company inside two elements can also be can be indirectly connected through an intermediary
Logical or two elements interaction relationship.For the ordinary skill in the art, can be understood with concrete condition above-mentioned
The concrete meaning of term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
In the description of the present embodiment, term " on ", "lower", " right side ", etc. orientation or positional relationships be based on shown in attached drawing
Orientation or positional relationship, be merely for convenience of description and simplification operation, rather than the device or element of indication or suggestion meaning
It must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.In addition,
Term " first ", " second " are only used to distinguish between description, and have no special meaning.
As depicted in figs. 1 and 2, shaft space difference speed lock construction includes active cylindrical gear shaft 1, and active cylindrical gear shaft 1 has
Multistage shaft part, front end shaft part are arranged a first half shaft gear, and half front axle outer peripheral gear is supported by fore bearing 12, and rear end shaft part is arranged
Axle shaft gear 8 after one, rear 8 periphery of axle shaft gear are supported by rear bearing 11.
Active cylindrical gear shaft 1 is arranged active roller gear 3 on the shaft part that fore bearing 12 is biased to 11 side of rear bearing.And
And needle bearing group 2 is equipped between the shaft part and active roller gear 3, to reduce active roller gear 3 with respect to active cylinder
Frictional force when gear shaft 1 rotates.
Specifically, active roller gear 3 forms an annular groove, and the corresponding annular groove of active cylindrical gear shaft 1 is equipped with one
The convex lip 100 of annular, needle bearing group 2 is arranged in annular groove and the convex lip 100 for the active cylindrical gear shaft 1 that is slidably connected.
Between centers is equipped with positioned at the adjacent shaft part away from needle bearing group 2 of active roller gear 3 in active cylindrical gear shaft 1
Differential carrier 6.
Cross axle 10, and the splined hole of cross axle 10 and master are equipped between inter-axle differential shell 6 and active cylindrical gear shaft 1
The center hole alignment of dynamic roller gear 3 and rear axle shaft gear 8, cross axle 10 engage active cylindrical gear shaft 1.
In the present embodiment, four axle portions of the corresponding cross axle 10 of inter-axle differential shell 6 open up four sphere holes, cross axle
The end face of 10 four axle portions is spherical surface.Four spherical surfaces of four axle portions of cross axle 10 radially face inter-axle differential shell 6
Hole.
The end face of four axle portions of cross axle 10 is respectively provided with a blind hole, and each blind hole is equipped with a straight pin 5, cylinder
Pin 5 extends to concordant with inter-axle differential shell 6 from cross axle 10, i.e., cross axle 10 passes through the cylinder that extends radially outward at this time
Pin 5 connects inter-axle differential shell 6.
Further, each axle portion of cross axle 10 is equipped with a planetary gear 7, the increment side of planetary gear 7 with
Active roller gear 3 engages, and the increment other side of planetary gear 7 is engaged with the increment of rear axle shaft gear 8.
The outer peripheral surface of inter-axle differential shell 6, which is fixedly connected, slidably engages set 4, and slidably engaging set 4 can be along axial direction first
It moves between position and the second position, and is engaged in first position with active roller gear 3.And slidably engage set 4 and active
While roller gear 3 engages, transmission connection relationship is formed between active roller gear 3 and active cylindrical gear shaft 1, at this time should
Shaft space difference speed lock construction locking.Specifically, chain is connected are as follows: the connection of active roller gear 3 slidably engages set 4, slidably engages set 4
Connect inter-axle differential shell 6,6 connecting cylinder pin 5 of inter-axle differential shell, 5 cross shaft connection 10 of straight pin, the connection master of cross axle 10
Dynamic cylindrical gear shaft 1.
It should be noted that slidably engaging the splined hole of set 4 and the spline axis connection of inter-axle differential shell 6.
It slidably engages set 4 and is equipped with the end-tooth engaged with active roller gear 3.
It slidably engages set 4 and connects a shift fork 9 away from the periphery of inter-axle differential shell 6, to facilitate control to slidably engage 4 edges of set
It is axially moved.Specifically, the periphery for slidably engaging set 4 forms an annular groove, and the shift fork 9 is equipped with the fork for being connected to annular groove
Portion.
Active cylindrical gear shaft 1 is along being axially arranged with the different first order shaft part 101 of outer diameter, second level shaft part 102, the third level
Shaft part 103 and fourth stage shaft part 104, first order shaft part 101 are equipped with fore bearing 12, and second level shaft part 102 is equipped with actively circle
Stud wheel 3, is equipped with convex lip 100 between first order shaft part 101 and second level shaft part 102, third level shaft part 103 is equipped with cross axle
10, fourth stage shaft part 104 is equipped with rear axle shaft gear 8.
Further, annular shoulder 105, rear axle shaft gear are formed between third level shaft part 103 and the fourth stage shaft part 104
8 increment abuts annular shoulder 105.
The operation principle of the present invention is that: set 4 is slidably engaged when shift fork 9 pushes, makes its end-tooth and active roller gear 3
When the tooth engagement of end face, active roller gear 3 connect (connection chain are as follows: active roller gear 3-is sliding with active cylindrical gear shaft 1
Dynamic 4-inter-axle differential shell of engaging sleeve, 6-straight pin, 5-cross axle, 10-active cylindrical gear shaft 1), shaft space difference speed locks locking；
When the promotion of shift fork 9 slidably engages set 4, is detached from the end-tooth of its end-tooth and active roller gear 3, active roller gear 3
It is disconnected with active cylindrical gear shaft 1, shaft space difference speed lock disconnects.Using slidably engaging set 4 for active Cylinder Gear on adjacent shaft part
Wheel 3 is connect with inter-axle differential shell 6, realizes the differential latch functions between penetrating bridge and rear axle, and original using is replaced to slide
Active roller gear 3 is connect by dynamic engagement nested structure with active cylindrical gear shaft 1.Such structure shortens active cylindrical gear shaft
1 axial dimension reduces the weight and cost of active cylindrical gear shaft 1；The axial dimension of penetrating bridge retarder is shortened, easily
In the matching of transmission shaft；Alleviate the weight and cost of cylindrical gear shell；Active roller gear 3 is mentioned closer to fore bearing 12
The carrying rigidity for having risen active roller gear 3, improves reliable transmission.
Obviously, the above embodiment of the present invention is just for the sake of clearly illustrating examples made by the present invention, and being not is pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, be able to carry out it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.There is no need and unable to give thoroughly all embodiments
It lifts.Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the present invention
Within scope of protection of the claims.
Claims (10)
1. a kind of shaft space difference speed lock construction, which is characterized in that including active cylindrical gear shaft (1), active roller gear (3), slide
Dynamic engaging sleeve (4) and inter-axle differential shell (6), in which:
The active cylindrical gear shaft (1) has multistage shaft part, the active roller gear (3) and the inter-axle differential shell
(6) it is configured on shaft part described in adjacent two-stage, and the inter-axle differential shell (6) is fixedly connected with the active cylindrical gear shaft
(1)；
The set (4) that slidably engages is fixedly connected the inter-axle differential shell (6), it is described slidably engage set (4) can be along axial direction
It moves, and is engaged in the first position with the active roller gear (3) between the first location and the second location, at this time institute
Stating shaft space difference speed lock construction is lockup state.
2. shaft space difference speed lock construction according to claim 1, which is characterized in that be equipped in the inter-axle differential shell (6)
Cross axle (10), the cross axle (10) engage the active cylindrical gear shaft (1).
3. shaft space difference speed lock construction according to claim 2, which is characterized in that the corresponding institute of the inter-axle differential shell (6)
Four axle portions for stating cross axle (10) open up four sphere holes, and the end face of four axle portions of the cross axle (10) is spherical surface.
4. shaft space difference speed lock construction according to claim 3, which is characterized in that four axle portions of the cross axle (10)
End face also forms blind hole, and each blind hole is equipped with a straight pin (5), and the straight pin (5) extends from the cross axle (10)
To concordant with the inter-axle differential shell (6), each axle portion is equipped with a planetary gear (7), the planetary gear (7) with
Active roller gear (3) engagement.
5. shaft space difference speed lock construction according to claim 4, which is characterized in that on the active cylindrical gear shaft (1) also
Equipped with rear axle shaft gear (8), the rear axle shaft gear (8) is engaged with the planetary gear (7).
6. shaft space difference speed lock construction according to claim 5, which is characterized in that the periphery of axle shaft gear (8) is set after described
There is rear bearing (11) to be supported, the active cylindrical gear shaft (1) sets in one end periphery far from the rear axle shaft gear (8)
There is fore bearing (12) to be supported.
7. shaft space difference speed lock construction according to claim 6, which is characterized in that the active cylindrical gear shaft (1) is along axis
To first order shaft part (101), second level shaft part (102), third level shaft part (103) and the fourth stage shaft part different equipped with outer diameter
(104), the first order shaft part (101) is equipped with the fore bearing (12), and the second level shaft part (102) is equipped with the master
Dynamic roller gear (3), the third level shaft part (103) are equipped with the cross axle (10), set on the fourth stage shaft part (104)
There is the later half shaft gear (8).
8. shaft space difference speed lock construction according to claim 7, which is characterized in that the third level shaft part (103) with it is described
Annular shoulder (105) are formed between fourth stage shaft part (104), the increment of the rear axle shaft gear (8) abuts the annular shoulder
(105)。
9. shaft space difference speed lock construction according to claim 2, which is characterized in that the outer peripheral surface for slidably engaging set (4)
Connect a shift fork (9).
10. shaft space difference speed lock construction according to claim 9, which is characterized in that the periphery for slidably engaging set (4) is set
There is annular groove, the shift fork (9) is equipped with the fork for being connected to the annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910743939.XA CN110486441A (en) | 2019-08-13 | 2019-08-13 | A kind of shaft space difference speed lock construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910743939.XA CN110486441A (en) | 2019-08-13 | 2019-08-13 | A kind of shaft space difference speed lock construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110486441A true CN110486441A (en) | 2019-11-22 |
Family
ID=68550865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910743939.XA Pending CN110486441A (en) | 2019-08-13 | 2019-08-13 | A kind of shaft space difference speed lock construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110486441A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111895064A (en) * | 2020-07-28 | 2020-11-06 | 一汽解放汽车有限公司 | Differential mechanism structure between axles |
| CN112664636A (en) * | 2020-12-30 | 2021-04-16 | 一汽解放汽车有限公司 | Multi-spherical-surface interaxial differential assembly |
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| JP2010121641A (en) * | 2008-11-17 | 2010-06-03 | Ud Trucks Corp | Differential lock device of vehicle |
| CN104421395A (en) * | 2013-08-28 | 2015-03-18 | 陕西汉德车桥有限公司 | Automobile main speed reducer assembly with inter-axis differential locking mechanism |
| CN104791450A (en) * | 2015-04-16 | 2015-07-22 | 方盛车桥（柳州）有限公司 | Postpositional open-type interaxle differential assembly |
| CN204701458U (en) * | 2015-05-29 | 2015-10-14 | 中国第一汽车股份有限公司 | A kind of penetrating bridge main speed reducer assembly of built-in shaft space difference speed lock |
| CN108757884A (en) * | 2018-07-04 | 2018-11-06 | 汽解放汽车有限公司 | A kind of lightweight commercial car main reducer of middle axle assembly |
| CN108869692A (en) * | 2018-08-01 | 2018-11-23 | 青岛华瑞汽车零部件股份有限公司 | A kind of electromagnetism locking differential |
| CN109185418A (en) * | 2018-11-22 | 2019-01-11 | 浙江金道科技股份有限公司 | A kind of fork type differential mechanism with differential lock |
| CN110107673A (en) * | 2018-02-01 | 2019-08-09 | 长城汽车股份有限公司 | Differential lock device and vehicle for vehicle |
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2019
- 2019-08-13 CN CN201910743939.XA patent/CN110486441A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010121641A (en) * | 2008-11-17 | 2010-06-03 | Ud Trucks Corp | Differential lock device of vehicle |
| CN104421395A (en) * | 2013-08-28 | 2015-03-18 | 陕西汉德车桥有限公司 | Automobile main speed reducer assembly with inter-axis differential locking mechanism |
| CN104791450A (en) * | 2015-04-16 | 2015-07-22 | 方盛车桥（柳州）有限公司 | Postpositional open-type interaxle differential assembly |
| CN204701458U (en) * | 2015-05-29 | 2015-10-14 | 中国第一汽车股份有限公司 | A kind of penetrating bridge main speed reducer assembly of built-in shaft space difference speed lock |
| CN110107673A (en) * | 2018-02-01 | 2019-08-09 | 长城汽车股份有限公司 | Differential lock device and vehicle for vehicle |
| CN108757884A (en) * | 2018-07-04 | 2018-11-06 | 汽解放汽车有限公司 | A kind of lightweight commercial car main reducer of middle axle assembly |
| CN108869692A (en) * | 2018-08-01 | 2018-11-23 | 青岛华瑞汽车零部件股份有限公司 | A kind of electromagnetism locking differential |
| CN109185418A (en) * | 2018-11-22 | 2019-01-11 | 浙江金道科技股份有限公司 | A kind of fork type differential mechanism with differential lock |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111895064A (en) * | 2020-07-28 | 2020-11-06 | 一汽解放汽车有限公司 | Differential mechanism structure between axles |
| CN112664636A (en) * | 2020-12-30 | 2021-04-16 | 一汽解放汽车有限公司 | Multi-spherical-surface interaxial differential assembly |
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Application publication date: 20191122 |