CN109185420A - A kind of retarder - Google Patents
A kind of retarder Download PDFInfo
- Publication number
- CN109185420A CN109185420A CN201811397789.3A CN201811397789A CN109185420A CN 109185420 A CN109185420 A CN 109185420A CN 201811397789 A CN201811397789 A CN 201811397789A CN 109185420 A CN109185420 A CN 109185420A
- Authority
- CN
- China
- Prior art keywords
- gear
- differential
- pin
- slip ring
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000005299 abrasion Methods 0.000 abstract description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
- F16H48/30—Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means
- F16H48/32—Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means using fluid pressure actuators
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The present invention relates to a kind of retarders, including being arranged in the intracorporal power input shaft of shell, transmission shaft, differential mechanism, left half axle, right axle shaft and differential lock, differential mechanism includes differential casing, planetary gear, right axle shaft gear and left half axle gear, differential lock includes pin, slip ring and shift fork, pin is through setting on differential carrier body sidewall, right axle shaft gear side wall is equipped with the groove being inserted into for pin, slip ring is set in outside differential casing, and slip ring inner wall is equipped with a circle recess, shift fork is fixed with slip ring, slip ring is driven to horizontally slip outside differential casing, pin is pushed into groove or pin is fallen into recess.Retarder of the invention has differential lock function, and smaller for the abrasion of components using the differential lock of pin-type load, runs more steady.
Description
Technical field
The present invention relates to a kind of retarder more particularly to a kind of retarders with differential lock.
Background technique
The speed reducer assembly of fork truck is generally divided into two kinds at present, a kind of for without the retarder of differential design, such
Retarder transmission system part in normal use is easy impaired, and while turning to is easy to cause vehicle rollover, another kind for
The retarder of differential design, such retarder is although with differential mechanism but is not equipped with differential lock, the differential of such fork truck
Rear axle is at road surfaces such as mirinesss, and when a wheel-slip, power is all consumed in the slip wheel rotated very fast, other
Wheel can run out of steam.As fork truck duty requirements become increasingly complex, and the raising for fork truck off-the-road requirements, at present
Fork truck speed reducer assembly be no longer satisfied demand, be badly in need of researching and developing a kind of retarder for meeting the outdoor cross-country demand of fork truck.
Summary of the invention
In order to solve the above technical problems, the object of the present invention is to provide a kind of stable structure, long service life and bands
The retarder of differential lock.
To achieve the goals above, present invention employs technical solutions below:
A kind of retarder, including be arranged in the intracorporal power input shaft of shell, transmission shaft, differential mechanism, left half axle, right axle shaft and difference
Speed is locked, and is fixed with first gear on the power input shaft, second gear, first gear and second gear are fixed on transmission shaft
Intermeshing, the lower end of the transmission shaft are further fixed on spiral shell umbrella pinion gear, and the differential mechanism includes differential casing, planet tooth
Wheel, right axle shaft gear and left half axle gear are fixed with spiral shell umbrella gear wheel, spiral shell umbrella pinion gear and spiral shell umbrella gear wheel on differential casing
Intermeshing, planetary gear rotation are fixed on inside differential casing, and left half axle gear and right axle shaft gear are located at differential
The left and right sides of device enclosure interior, and left half axle gear and right axle shaft gear are engaged with planetary gear, the left half axle, right half
Axis runs through differential casing, and plugs be fixed on left half axle gear and right axle shaft gear respectively, the differential lock include pin,
Slip ring and shift fork, through being arranged on differential carrier body sidewall, the right axle shaft gear side wall is equipped with for pin the pin
The groove of insertion, the slip ring are set in outside differential casing, and slip ring inner wall is equipped with a circle recess, the shift fork and cunning
Ring is fixed, and slip ring is driven to horizontally slip outside differential casing, and pin is pushed into groove or pin is made to fall into recess
It is interior.
As a preferred solution: the both ends of the surface of the pin are spherical surface, the groove, recess inner wall be cambered surface.It adopts
It is also beneficial to reduce abrasion so that differential lock is smaller in the impact of starting moment with cambered surface contact surface.
As a preferred solution: being additionally provided with oil cylinder in the shell, piston is additionally provided in the oil cylinder, the side of piston is fixed
There is piston rod, the shift fork is arranged on the piston rod, and is moved with piston rod.
As a preferred solution: limiting slot is additionally provided in the shell, it is another in one end insertion limiting slot of the piston rod
End is fixed with piston, the first limited block is further fixed in the middle part of the piston rod, between first limited block side and shell
Pressure spring is also arranged on piston rod.
As a preferred solution: the other side of first limited block and the side of shift fork offset, the piston rod is close to living
One end of plug is additionally provided with the second limited block, also is provided with pressure spring between the other side of the shift fork and the second limited block.Shift fork utilizes
Pressure spring compresses it on limited block, in shift fork movement, especially moves in shift fork and slip ring is driven just to squeeze into pin
It when groove, can play a buffer role in, or even be avoided that shift fork or slip ring are pressed down under the stuck extreme case of pin.Together
When, in oil cylinder cut-out pressure oil, make shift fork and piston reset.
As a preferred solution: one end of the oil cylinder is fixed with fuel inlet fitting bolt, it is additionally provided on the power input shaft
The flange being connect with gearbox transmission.
Pin is arranged in retarder of the invention on differential casing, and pushes pin to be inserted into right axle shaft tooth by slip ring
Wheel, right axle shaft gear is combined as a whole with differential casing, to make differential mechanism without differential function, is improved whole cross-country
Performance, and the differential lock of pin-type load is smaller for the abrasion of components, runs more steady.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of differential lock of the invention.
Fig. 2 is the schematic diagram of the section structure of power transfer path of the invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
A kind of retarder as depicted in figs. 1 and 2, including be arranged in the intracorporal power input shaft of shell, transmission shaft, differential
Device, left half axle, right axle shaft and differential lock are fixed with first gear 14 on the power input shaft, are fixed on transmission shaft
Two gears 12, first gear 14 and second gear 12 are intermeshed, and the lower end of the transmission shaft is further fixed on spiral shell umbrella pinion gear, institute
Stating differential mechanism includes differential casing 4, planetary gear 10, right axle shaft gear 11 and left half axle gear 1, is consolidated on differential casing 4
Surely there is spiral shell umbrella gear wheel, spiral shell umbrella pinion gear and spiral shell umbrella gear wheel are intermeshed, and four planetary gears 10 rotate by axis solid respectively
Four ends of the front and back inside differential casing 4 or more are scheduled on, left half axle gear 1 and right axle shaft gear 11 are located at differential casing
The left and right sides inside 4, and left half axle gear 1 and right axle shaft gear 11 are engaged with four planetary gears, the left half axle, the right side
Semiaxis runs through differential casing 4, and plugs be fixed on left half axle gear 1 and right axle shaft gear 11 respectively.
The differential lock includes pin 2, slip ring 3 and shift fork 5, and the pin 2 is through setting in 4 side wall of differential casing
On, 11 side wall of right axle shaft gear is equipped with the groove being inserted into for pin 2, and the slip ring 3 is set in outside differential casing 4
Portion, and 3 inner wall of slip ring is equipped with a circle recess, the shift fork 5 is fixed with slip ring 3, drives slip ring 3 outside differential casing 4
It horizontally slips, pin 2 is pushed into groove or pin 2 is fallen into recess.The both ends of the surface of the pin 2 are spherical surface,
The groove, recess inner wall be cambered surface.Two seals are arranged on the piston side wall, prevent pressure oil from revealing.
It is additionally provided with oil cylinder 7 in the shell, piston 8 is additionally provided in the oil cylinder 7, the side of piston 8 connects with piston rod 9
Touching, the shift fork 5 is set on piston rod 9, and is moved with piston rod 9.Limiting slot, the work are additionally provided in the shell
In one end insertion limiting slot of stopper rod 9, the other end is contacted with piston 8, is further fixed on the first limited block in the middle part of the piston rod 9,
Pressure spring is also arranged on piston rod 9 between first limited block side and shell.
The other side of first limited block and the side of shift fork 5 offset, the piston rod 9 close to one end of piston 8 also
Equipped with the second limited block, pressure spring also is provided between the other side and the second limited block of the shift fork 5.
One end of the oil cylinder 7 is fixed with track bolt 6, is additionally provided on the power input shaft and connect with gearbox transmission
Flange 13.
Power of the invention passes on flange 13 from output shaft of gear-box flange, passes through first gear 14 and second gear 12
It passes in spiral shell umbrella pinion gear, then is passed on differential carrier by spiral shell umbrella gear wheel, pass through cross axle, the planetary gear on differential mechanism
10 pass on right axle shaft gear 11 and left half axle gear 1 and spread out of.
Pressure oil of the invention enters oil cylinder 7 by track bolt 6, and piston 8 is pushed to move downward, and piston pushes piston rod
9 move downward promotion slip ring 3 to the left with shift fork 5, pin 2 are released from recess, and then enter the recessed of right axle shaft gear 11
In slot, to make right axle shaft gear 11 combine as a whole with differential casing 4, to make differential mechanism without differential function.
It should be pointed out that above embodiments are only representative examples of the invention.The present invention can also there are many deformations.It is all
Any simple modification, equivalent change and modification to the above embodiments of essence according to the present invention are considered as belonging to this
The protection scope of invention.
Claims (6)
1. a kind of retarder, it is characterised in that: including setting in the intracorporal power input shaft of shell, transmission shaft, differential mechanism, left half
Axis, right axle shaft and differential lock are fixed with first gear (14) on the power input shaft, are fixed with second gear on transmission shaft
(12), first gear (14) and second gear (12) intermeshing, the lower end of the transmission shaft is further fixed on spiral shell umbrella pinion gear, institute
Stating differential mechanism includes differential casing (4), planetary gear (10), right axle shaft gear (11) and left half axle gear (1), differential carrier
Spiral shell umbrella gear wheel is fixed on body (4), spiral shell umbrella pinion gear and spiral shell umbrella gear wheel are intermeshed, and planetary gear (10) rotation is fixed on
Differential casing (4) is internal, and left half axle gear (1) and right axle shaft gear (11) are located at the internal left side of differential casing (4)
Right two sides, and left half axle gear (1) and right axle shaft gear (11) are engaged with planetary gear (10), the left half axle, right axle shaft
Through differential casing (4), and plugs be fixed on left half axle gear (1) and right axle shaft gear (11) respectively, the differential lock
Including pin (2), slip ring (3) and shift fork (5), the pin (2), which is run through, to be arranged on differential casing (4) side wall, the right side
Axle shaft gear (11) side wall is equipped with the groove being inserted into for pin (2), and the slip ring (3) is set in differential casing (4) outside,
And slip ring (3) inner wall is equipped with a circle recess, the shift fork (5) and slip ring (3) are fixed, drive slip ring (3) in differential casing
(4) external to horizontally slip, pin (2) are pushed into groove or pin (2) is fallen into recess.
2. a kind of retarder according to claim 1, it is characterised in that: the both ends of the surface of the pin (2) are spherical surface, institute
State groove, the inner wall of recess is cambered surface.
3. a kind of retarder according to claim 1, it is characterised in that: be additionally provided with oil cylinder (7), the oil in the shell
It is additionally provided with piston (8) in cylinder (7), the side of piston (8) is in contact with piston rod (9), and the shift fork (5) is set in piston rod
(9) it on, and is moved with piston rod (9).
4. a kind of retarder according to claim 3, it is characterised in that: be additionally provided with limiting slot, the work in the shell
In one end insertion limiting slot of stopper rod (9), the other end is in contact with piston (8), is further fixed on first in the middle part of the piston rod (9)
Limited block is also arranged with pressure spring on the piston rod (9) between first limited block side and shell.
5. a kind of retarder according to claim 4, it is characterised in that: the other side of first limited block and shift fork
(5) side offsets, and the piston rod (9) is additionally provided with the second limited block close to the one end of piston (8), the shift fork (5) it is another
Pressure spring also is provided between side and the second limited block.
6. a kind of retarder according to claim 3, it is characterised in that: one end of the oil cylinder (7) is fixed with connector spiral shell
Bolt (6) is additionally provided with the flange (13) connecting with gearbox transmission on the power input shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811397789.3A CN109185420A (en) | 2018-11-22 | 2018-11-22 | A kind of retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811397789.3A CN109185420A (en) | 2018-11-22 | 2018-11-22 | A kind of retarder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109185420A true CN109185420A (en) | 2019-01-11 |
Family
ID=64940472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811397789.3A Pending CN109185420A (en) | 2018-11-22 | 2018-11-22 | A kind of retarder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109185420A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109823168A (en) * | 2019-03-30 | 2019-05-31 | 泉州市力普机械科技有限公司 | A kind of anti-pass is dynamic to separate front driving axle and its semiaxis arrangement of clutch and control method |
| CN110043627A (en) * | 2019-04-19 | 2019-07-23 | 一汽解放汽车有限公司 | A kind of differential lock of diaphragm structure |
| CN110206865A (en) * | 2019-05-29 | 2019-09-06 | 郭放 | A kind of differential lock |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202703132U (en) * | 2012-08-09 | 2013-01-30 | 南京创捷和信汽车零部件有限公司 | Rear drive axle assembly |
| CN209324976U (en) * | 2018-11-22 | 2019-08-30 | 浙江金道科技股份有限公司 | A kind of retarder |
-
2018
- 2018-11-22 CN CN201811397789.3A patent/CN109185420A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202703132U (en) * | 2012-08-09 | 2013-01-30 | 南京创捷和信汽车零部件有限公司 | Rear drive axle assembly |
| CN209324976U (en) * | 2018-11-22 | 2019-08-30 | 浙江金道科技股份有限公司 | A kind of retarder |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109823168A (en) * | 2019-03-30 | 2019-05-31 | 泉州市力普机械科技有限公司 | A kind of anti-pass is dynamic to separate front driving axle and its semiaxis arrangement of clutch and control method |
| CN109823168B (en) * | 2019-03-30 | 2024-04-26 | 泉州市力普机械科技有限公司 | Reverse transmission separation front drive axle, half-shaft clutch device thereof and control method |
| CN110043627A (en) * | 2019-04-19 | 2019-07-23 | 一汽解放汽车有限公司 | A kind of differential lock of diaphragm structure |
| CN110206865A (en) * | 2019-05-29 | 2019-09-06 | 郭放 | A kind of differential lock |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 312065 no.689, Bujin Road, Keqiao District, Shaoxing City, Zhejiang Province Applicant after: ZHEJIANG JINDAO TECHNOLOGY Co.,Ltd. Address before: Room 393, complex building, 586 West Ring Road, Keqiao Economic Development Zone, Keqiao District, Shaoxing City, Zhejiang Province Applicant before: ZHEJIANG JINDAO TECHNOLOGY Co.,Ltd. |