CN209426887U - Steering and driving axle and engineering truck - Google Patents
Steering and driving axle and engineering truck Download PDFInfo
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- CN209426887U CN209426887U CN201822169749.5U CN201822169749U CN209426887U CN 209426887 U CN209426887 U CN 209426887U CN 201822169749 U CN201822169749 U CN 201822169749U CN 209426887 U CN209426887 U CN 209426887U
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Abstract
The utility model relates to a kind of steering and driving axle and engineering truck, steering and driving axle includes: the first runner (7)；Second runner (24) is arranged side by side with the first runner (7)；Steering power input shaft (2) drives first runner (7) and second runner (24) to rotate in opposite direction by first gear group；And driving dynamics input shaft (13), drive first runner (7) and second runner (24) to rotate in same direction by second gear group.Using the technical solution of the application, steering and driving axle includes steering power input shaft, steering power input shaft drives the first runner and the second runner to rotate in opposite direction by first gear group, it is unilateral power output when improving steering existing in the prior art, cannot realizes reduction of speed torque increase well, cannot achieve the problem of pivot stud.
Description
Technical field
The utility model relates to engineering equipment fields, in particular to a kind of rotate driving bridge and engineering truck.
Background technique
Bull-dozer is the main machine in earth moving machinery class product, be widely used in mine, water conservancy, build, build the road,
The fields such as coal mining, harbour, agricultural and defence engineering, the operations such as achievable excavation, accumulation, backfill, smooth and compacting, are short distances
The ideal equipment of transport.
The differential steering gear of general crawler dozer can be divided into two major classes.One type is in two sides crawler driving whell
Independent steering mechanism is respectively housed, the speed of two sides crawler belt can according to requiring independent control, to realize the steering of bull-dozer,
This kind of steering mode is mostly used on military Armored tracklayer and high-end high power crawler vehicle.
Fig. 1 shows the structural schematic diagram of the steering and driving axle of another kind of caterpillar.Steering and driving axle as shown in Figure 1
Including power input shaft 1, the main shaft being connect with power input shaft 12, the first clutch being connected between the first runner 4 and main shaft 2
Device 3 and the second clutch 5 being connected between the second runner 6 and main shaft 2.First runner 4 and the second runner 6 are respectively used to drive
The crawler belt of vehicle two sides.Optionally, first clutch 3 and second clutch 5 are clutch-brake.
When turning left, unclamp left steering clutch by operating mechanism, and right turn clutch compresses, then left driving wheel
It runs out of steam, to realize left-hand rotation, otherwise realizes and turn right.When left and right two, steering cluth compresses simultaneously, before endless-track vehicle
Into or retreat.
The shortcomings that prior art, is as follows:
The performance of steering cluth and brake has a direct impact steering, and the reliability of steering cluth and brake is straight
Connect the steering behaviour for influencing endless-track vehicle, and the not poor power of this kind of steering mechanism differential.
This steering mechanism is unilateral power output when turning to, and cannot realize reduction of speed torque increase well, cannot achieve original
Ground turns to.
Handling maneuver is laborious, large labor intensity, inconvenience, cannot achieve steering wheel or monolever turns to.
Utility model content
The utility model is intended to provide a kind of steering and driving axle and engineering truck, to improve steering existing in the prior art
When be unilateral power output, cannot realize reduction of speed torque increase well, cannot achieve the problem of pivot stud.
According to the one aspect of the utility model embodiment, the utility model provides a kind of steering and driving axle, turns to and drives
Dynamic bridge includes:
First runner；
Second runner is arranged side by side with the first runner；
Steering power input shaft drives the first runner and the second runner to rotate in opposite direction by first gear group；
And
Driving dynamics input shaft drives the first runner and the second runner to rotate in same direction by second gear group.
Optionally, first gear group includes:
First ring gear is sequentially connected with steering power input shaft；
First planetary gear is engaged with the first ring gear；
First planetary wheel carrier, for installing the first planetary gear on it, the first planetary wheel carrier is for driving the first runner edge
First direction rotation；And
First sun gear is engaged with the first planetary gear, for driving the second runner along the second party opposite with first direction
To rotation.
Optionally, second gear group includes differential gear set
Optionally, differential gear set includes:
Second planetary wheel carrier is sequentially connected with driving dynamics input shaft；
Second planetary gear is mounted on the second planetary wheel carrier；
First gear is engaged with the second planetary gear, for driving the first runner to move along first direction；And
Second gear is engaged with the second planetary gear, for driving the second runner to move along first direction.
Optionally, first gear links together with the first planetary wheel carrier.
Optionally, first gear includes the second ring gear, and second gear includes the second sun gear.
Optionally, second gear links together with the first sun gear.
Optionally, steering and driving axle further includes the third sun gear connecting with second gear, engages with third sun gear
The third line star-wheel and the third ring gear engaged with the third line star-wheel, third ring gear are solid relative to the axle housing of steering and driving axle
It is fixed.
According to the another aspect of the application, a kind of engineering truck is additionally provided, engineering truck includes above-mentioned steering driving
Bridge.
Optionally, engineering truck is caterpillar engineering vehicles.
Using the technical solution of the application, steering and driving axle includes steering power input shaft, and steering power input shaft passes through
First gear group drives the first runner and the second runner to rotate in opposite direction, when improving steering existing in the prior art
It is unilateral power output, cannot realizes reduction of speed torque increase well, cannot achieve the problem of pivot stud.
By the detailed description referring to the drawings to the exemplary embodiment of the utility model, the utility model it is other
Feature and its advantage will become apparent.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 shows the structural schematic diagram of the steering and driving axle of the prior art；And
Fig. 2 shows the structural schematic diagrams of the steering and driving axle of the embodiments of the present invention.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to this is practical
Novel and its application or any restrictions used.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, is fallen within the protection scope of the utility model.
Fig. 2 shows the structural schematic diagrams of the steering and driving axle of the present embodiment.As shown in Figure 1, the steering of the present embodiment is driven
Dynamic bridge includes that axle housing, the first runner 7 of first end for being located at axle housing, the second runner 24 of second end for being located at axle housing, traveling are dynamic
Power input shaft 13 and steering power input shaft 2.During Vehicular turn, steering power input shaft 2 passes through first gear group
The first runner 7 and the second runner 24 is driven to rotate in opposite direction.In normal driving process, driving dynamics input shaft 13
The first runner 7 and the second runner 24 is driven to rotate in same direction by second gear group.
First gear group includes the first ring gear 4 driven by steering power input shaft 2, engages with the first ring gear 4
First planetary gear 10, the first planetary wheel carrier 9 for carrying the first planetary gear 10 and engaged with the first planetary gear 10 first too
Sun wheel 6.First planetary wheel carrier 9 and the first runner 7 are sequentially connected, and the first sun gear 6 and the second runner 24 are sequentially connected.
Wherein, the first ring gear 4 and the first runner 7 are coaxial.First sun gear 6 and the second runner 24 are coaxial.Optionally.The
One planetary wheel carrier 9 and the first ring gear 4 are coaxial.
First gear group further includes the first bevel gear 1 connecting with steering power input shaft 2, engages with first bevel gear 1
Second bevel gear 3, second bevel gear 3 connect with the first ring gear 4, to drive the rotation of the first ring gear.Optionally, the second cone
Gear 3 and the first ring gear 4 are coaxial.
Steering and driving axle further includes the first hub reduction gear being connected between the first planetary wheel carrier 9 and the first driving wheel 7
8。
Steering and driving axle further includes first axle 6, and the first end of first axle 6 is connect with the first planetary wheel carrier 9, first axle 6
Second end is for driving the rotation of the first runner 7.The second end of first axle 6 is connect with the first hub reduction gear 8.
Steering power input shaft 2 imparts power to the first ring gear 4 by first bevel gear 1 and second bevel gear 3, the
One ring gear 4 drives the first planetary wheel carrier 9 and the first sun gear 6 to rotate in opposite direction, and the first planetary wheel carrier 9 passes through first
Axis 6 and the first hub reduction gear 8 drive the rotation of the first runner 7.First sun gear 6 drives the rotation of the second runner 24.
Second gear group is differential gear set.Second gear group includes the second planetary wheel carrier 16, is mounted on the second planetary gear
The second planetary gear 17, the first gear 11 engaged with the second planetary gear 17 and engaged with the second planetary gear 17 second on frame 16
Gear 15.
First gear 11 is for driving the rotation of the first runner 7, and second gear 15 is for driving the rotation of the second runner 24.
Wherein, first gear 11 includes the second ring gear, and second gear 15 includes the second sun gear.Optionally, the first tooth
Wheel 11 is connect with the first planetary wheel carrier 9, to drive the rotation of the first runner 7 by the first planetary wheel carrier 9.
Second gear group further includes the third hand tap gear 14 connecting with driving dynamics input shaft 13, nibbles with the 4th bevel gear 14
The 4th bevel gear 12 closed.Optionally, the 4th bevel gear 12 connect with the second planetary wheel carrier 16, to drive the second planetary wheel carrier 16
Rotation.
Driving dynamics input shaft 13 drives the rotation of the second planetary wheel carrier 16 by third hand tap gear 14 and the 4th bevel gear 12,
Second planetary wheel carrier 16 drives first gear 11 and second gear 15 to rotate in same direction.First gear 11 and the first planet
Wheel carrier 9 links together, to drive 7 turns of the first runner by the first planetary wheel carrier 9, first axle 6 and the first hub reduction gear 8
It is dynamic.Second gear 15 drives the rotation of the second runner by the second axis 18.
First sun gear 6 and second gear 15 are installed on the second axis 18.First sun gear 6 and second gear 15 and
Two axis are coaxial.
Steering and driving axle further includes the second hub reduction for the power of second gear 15 to be passed to the second runner 24
Device 23.
Steering and driving axle further includes the third gear set for the power of second gear 15 to be passed to the second runner 24.
Third gear set includes engaging with the third sun gear 19 of the transmission connection of second gear 15, with third sun gear 19
The third line star-wheel 21 and the third ring gear 20 engaged with the third line star-wheel 21 and for carrying installation the third line star-wheel 21
Third planet wheel carrier 22.Third planet wheel carrier 22 is for driving the rotation of the second runner 24.
Third ring gear 20 and the axle housing of steering and driving axle are fixed.Third sun gear 19 is connect with the second axis 18.
The utility model is mainly by axle housing, first bevel gear 1, second bevel gear 3, third hand tap gear 14, the 4th bevel gear
12, the first hub reduction gear 8, the second hub reduction gear 23, the first runner 7, the second runner 24, the first ring gear 4, first sun
Take turns the 6, first planetary wheel carrier 9, the first planetary gear 10, the second ring gear, the second planetary gear 17, the second sun gear, the second planetary gear
Frame 16, the third line star-wheel 21, third sun gear 19, third planet wheel carrier 22 and third ring gear 20 are constituted.
Wherein the first sun gear 6, the first planetary gear 10, the first ring gear constitute the first planet row, optionally, the second cone tooth
Wheel 3 and the first ring gear 4 are integrated.Second sun gear, the second planetary gear 17, the second planetary wheel carrier 7 and the second ring gear 11
Constitute the second planet row.First planetary wheel carrier 9 and the second ring gear are integrated.Third sun gear 19, the third line star-wheel 21,
Three planetary wheel carriers 22 and third ring gear 20 constitute third planet row, and third ring gear links together with axle housing.
First sun gear 6, the second sun gear and third sun gear 19 are linked together with the second axis 18 by spline, and second
The left end of axis 18, centre, right end successively install the first planet row, the second planet row and third planet row.
4th bevel gear 12 is sleeved on the second axis 18, and is integrated with the second planetary wheel carrier.First planetary wheel carrier 9
It is the first planetary gear 10 and the first hub reduction integrated, that the first planetary wheel carrier 9 passes through the first planet row with the second ring gear
Power is finally transmitted to the first runner 7 by side speed reducer by 8 driving coupling of device.
Hydraulic motor drives first bevel gear 1 and second bevel gear 3 by steering power input shaft 1；Gearbox input is logical
It crosses traveling power input shaft 13 and drives third hand tap gear 14 and the 4th bevel gear 12.
The third planet carrier 22 of third planet row couples with the second hub reduction gear 23, and power is finally passed through the second wheel side
The ring gear that retarder 23 is transmitted to 24. third planet of the second runner row is linked together with axle housing.
In addition to bevel gear, each planet row gear is spur gear.
Driving dynamics input shaft 13 is connect with the gearbox transmission of vehicle, steering power input shaft 2 with for driving vehicle
The hydraulic motor transmission of steering connects.
When gearbox normally inputs, when hydraulic motor stops input, the revolving speed phase of the first runner 7 and the second runner 24 at this time
Together, vehicle is in straight travel state.The drive path for the power that driving dynamics input shaft 13 inputs at this time are as follows: third gear 14
9 → the first hub reduction of → the four gear 13 → the second planetary gear, 17 → the first planetary wheel carrier, 8 → the first runner 7；Third gear
14 → the 4th gear, 13 → the second 17 → the second sun gears of planetary gear → third sun gear 19 → the third line, 21 → the third line of star-wheel
22 → the second hub reduction gear of star wheel frame, 23 → the second runner 24.
When gearbox stops inputting, when only hydraulic motor inputs, i.e., gearbox hangs neutral gear, only steering hydraulic motor work
Make, left and right sidesing driving wheel revolving speed is identical at this time, turns on the contrary, bull-dozer realizes pivot stud.Drive path at this time: first gear 1
9 → the first hub reduction of → second gear 3 → the first planetary gear, 10 → the first planetary wheel carrier, 8 → the first runner 7；First gear 1
3 → the first planetary gear of → second gear, 10 → the first planetary wheel carrier, 9 → the sun gear 6 → third sun gear 19 → the third line star-wheel
21 → third planet wheel carrier, 22 → the second hub reduction gear, 23 → the second runner 24.
Another aspect according to the present utility model additionally provides a kind of engineering truck, which includes along its width side
To two crawler belts arranged side by side, two crawler belts are driven by the first runner 7 and the second runner 24 respectively.
When hydraulic motor and gearbox work at the same time, the first runner 7 is different with 24 revolving speed of the second runner at this time, creeper truck
Be in steering state.The synthesis result of gearbox and hydraulic motor while output power is to reduce side crawler track speeds,
Side crawler track speeds increase, and incrementss and reduction amount are equal；The rotation direction of hydraulic motor determines turning for caterpillar
Curved direction, hydraulic motor rotary speed is higher, and endless-track vehicle turning radius is smaller.The differential steering drive axle structure is simple, efficient, steady
It is fixed, the working efficiency of crawler dozer is improved, ensure that the reliability of complicated course changing control.
The foregoing is merely the exemplary embodiments of the utility model, are not intended to limit the utility model, all in this reality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the utility model
Within protection scope.
Claims (10)
1. a kind of steering and driving axle characterized by comprising
First runner (7)；
Second runner (24) is arranged side by side with first runner (7)；
Steering power input shaft (2) drives first runner (7) and second runner (24) along phase by first gear group
Anti- direction rotation；And
Driving dynamics input shaft (13) drives first runner (7) and second runner (24) edge by second gear group
Identical direction rotation.
2. steering and driving axle according to claim 1, which is characterized in that the first gear group includes:
First ring gear (4) is sequentially connected with the steering power input shaft (2)；
First planetary gear (10) is engaged with first ring gear (4)；
First planetary wheel carrier (9), for installing first planetary gear (10) on it, first planetary wheel carrier (9) is used for
First runner is driven to be rotated in a first direction；And
First sun gear (6) is engaged with first planetary gear (10), for driving the second runner (24) edge and first direction phase
Anti- second direction rotation.
3. steering and driving axle according to claim 2, which is characterized in that the second gear group includes differential gear set.
4. steering and driving axle according to claim 3, which is characterized in that the differential gear set includes:
Second planetary wheel carrier (16) is sequentially connected with the driving dynamics input shaft (13)；
Second planetary gear (17) is mounted on second planetary wheel carrier (16)；
First gear (11) is engaged with second planetary gear (17), for driving first runner (7) to transport along first direction
It is dynamic；And
Second gear (15) is engaged with second planetary gear (17), for driving second runner (24) along first direction
Movement.
5. steering and driving axle according to claim 4, which is characterized in that the first gear (11) and first planet
Wheel carrier (9) links together.
6. steering and driving axle according to claim 4, which is characterized in that the first gear (11) includes the second internal tooth
Circle, the second gear (15) include the second sun gear.
7. steering and driving axle according to claim 4, which is characterized in that the second gear (15) and first sun
Wheel (6) links together.
8. steering and driving axle according to claim 4, which is characterized in that further include being connect with the second gear (15)
Third sun gear (19), the third line star-wheel (21) engaged with third sun gear (19) and engaged with the third line star-wheel (21)
Three ring gears (20), the third ring gear (20) are fixed relative to the axle housing of steering and driving axle.
9. a kind of engineering truck, which is characterized in that including steering and driving axle described in any item of the claim 1 to 8.
10. engineering truck according to claim 9, which is characterized in that the engineering truck is caterpillar engineering vehicles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822169749.5U CN209426887U (en) | 2018-12-24 | 2018-12-24 | Steering and driving axle and engineering truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822169749.5U CN209426887U (en) | 2018-12-24 | 2018-12-24 | Steering and driving axle and engineering truck |
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| Publication Number | Publication Date |
|---|---|
| CN209426887U true CN209426887U (en) | 2019-09-24 |
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ID=67973005
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822169749.5U Active CN209426887U (en) | 2018-12-24 | 2018-12-24 | Steering and driving axle and engineering truck |
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|---|---|
| CN (1) | CN209426887U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109436111A (en) * | 2018-12-24 | 2019-03-08 | 徐工集团工程机械股份有限公司 | Steering and driving axle and engineering truck |
-
2018
- 2018-12-24 CN CN201822169749.5U patent/CN209426887U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109436111A (en) * | 2018-12-24 | 2019-03-08 | 徐工集团工程机械股份有限公司 | Steering and driving axle and engineering truck |
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