CN201120848Y - Independent suspension steering drive axle and heavy type load-carrying vehicle having the drive axle - Google Patents
Independent suspension steering drive axle and heavy type load-carrying vehicle having the drive axle Download PDFInfo
- Publication number
- CN201120848Y CN201120848Y CNU2007201701146U CN200720170114U CN201120848Y CN 201120848 Y CN201120848 Y CN 201120848Y CN U2007201701146 U CNU2007201701146 U CN U2007201701146U CN 200720170114 U CN200720170114 U CN 200720170114U CN 201120848 Y CN201120848 Y CN 201120848Y
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- China
- Prior art keywords
- reduction gear
- swing arm
- wheel
- independent suspension
- steering
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- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The utility model discloses an independent suspension steering drive axle, which comprises a main redactor, a driving shaft, a left and a right oscillating arms and a steering rod system, wherein the main redactor is arranged on the drive axle and fixed on the vehicle frame, the wheel-side redactor is arranged on the wheel, an end of the left and the right oscillating arms is connected to the casing body of the main redactor and the other end is respectively connected with the wheel-side redactor; both ends of the steering rod system are connected with the wheel-side redactor. The independent suspension steering drive axle is characterized in that both ends of the driving shaft are connected with the main redactor and the wheel-side redactor through a spherical hinge respectively. For the heavy carrying capacity vehicle, which adopts the independent suspension steering drive axle, the suspension spherical hinge connection can realize the requirements of big wheel angle and wheel run-out, a coil spring is installed on the lower oscillating arm so that the installation height of the coil spring is lowered, a double ball cage constant angular velocity universal driving shaft is used to ensure the wheels to run normally with constant velocity in equilibrium positions, big extent run-out and big angle rotating and to satisfy the performance requirements of the third generation military vehicles.
Description
Technical field
The utility model relates to automotive field, relates in particular to a kind of independent suspension steering-drive bridge and the heavy duty vehicle with this drive axle.
Background technology
In order to adapt to the needs of modernized war, the existing military vehicle of China can not satisfy high maneuverability can requirement, especially independent suspension drive axle should have that load-carrying capacity is strong, cross-country traveling ability, high reliability.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of high combination property, and the independent suspension drive axle of high stability and have the heavy duty vehicle of this drive axle satisfies the performance requriements of China's third generation military vehicle.
To achieve these goals, the utility model provides a kind of independent suspension steering-drive bridge, comprising:
Main reduction gear is arranged on the described drive axle and is fixed in vehicle frame;
Wheel reduction gear is arranged on the wheel;
Transmission shaft, an end connects described main reduction gear, and the other end connects described wheel reduction gear;
Left and right swing arm, an end are connected on the housing of described main reduction gear, and the other end connects described wheel reduction gear respectively;
Steering gear connection, two ends connect described wheel reduction gear;
It is characterized in that,
The two ends of described transmission shaft connect described main reduction gear and wheel reduction gear by spherical hinge respectively.
Above-mentioned left and right swing arm comprises upper left swing arm, lower-left swing arm, upper right swing arm, bottom right swing arm, and the fulcrum of described swing arm and the housing of described main reduction gear are one.
In the above-mentioned left and right swing arm coil spring is installed also, is provided with bumper in the described spring.
Above-mentioned coil spring is installed in the swing arm of described lower-left, the bottom right swing arm respectively and the other end is fixed on the vehicle frame.
Above-mentioned steering gear connection comprises that four openings that articulated mutually by limit pull bar, intermediate rod, folding pull bar are trapezoidal, wherein two ends, the left and right sides articulate two folding pull bars by two limit pull bars respectively and the symmetry that forms two open trapezoidal, and it is trapezoidal that the trapezoidal break of the opening of this two symmetry articulates the opening that forms two pairs of tops by an intermediate rod.
Above-mentioned left and right swing arm and/or steering gear connection connect described wheel reduction gear by steering swivel.
The housing end face of above-mentioned main reduction gear is provided with the bolt hole that connects vehicle frame.
Also be connected with plate disc brake and abs sensor on the above-mentioned wheel reduction gear.
Above-mentioned transmission shaft is two ball cage angular speed universal axles.
Above-mentioned coil spring is a variable rate spring.
In order better to realize above-mentioned purpose, the utility model provides a kind of heavy duty vehicle, comprises car body, vehicle frame, and independent suspension steering-drive bridge, described independent suspension steering-drive bridge comprises:
Main reduction gear is arranged at the central authorities of described drive axle, and is fixed on the vehicle frame;
Wheel reduction gear is arranged on the wheel;
Transmission shaft, an end connects described main reduction gear, and the other end connects described wheel reduction gear;
Left and right swing arm, an end are connected on the housing of described main reduction gear, and the other end connects described wheel reduction gear respectively;
Steering gear connection, two ends connect described wheel reduction gear;
It is characterized in that,
The two ends of described transmission shaft connect described main reduction gear and wheel reduction gear by spherical hinge respectively.
Above-mentioned left and right swing arm comprises upper left swing arm, lower-left swing arm, upper right swing arm, bottom right swing arm, the fulcrum of described swing arm and the housing of described main reduction gear are one, in the swing arm of described lower-left, the bottom right swing arm coil spring is installed also, is provided with bumper in the described spring.
Above-mentioned transmission shaft is two ball cage angular speed universal axles.
Effect of the present utility model is, adopt the heavy duty vehicle of the utility model independent suspension steering-drive bridge, it hangs the spherical hinge connection can be easy to realize the big corner of wheel, the requirement of big jerk value, coil spring is installed in down helical spring setting height(from bottom) is reduced, with two ball cage angular speed universal transmission shafts, guarantee wheel at balance position, beat significantly and wide-angle is rotated under the operating mode, normal constant-speed driving.
Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.
Description of drawings
Fig. 1 is the independent suspension steering-drive bridge constructional drawing;
Fig. 2 is Fig. 1 birds-eye view;
Fig. 3 is the wheel reduction gear constructional drawing;
Fig. 4 is the transmission shaft connection diagram;
Fig. 5 is the spherical hinge structural representation;
Fig. 6 is the top link structural representation;
Fig. 7 is following swing arm structure scheme drawing;
Fig. 8 is the coil spring cut-away view;
Fig. 9 is the C-C rotation cut-away view of Fig. 1;
Figure 10 is the D-D rotation cut-away view of Fig. 1.
Wherein, Reference numeral
The 2 lower-left swing arms of 1 wheel reduction gear
The 4 upper left swing arms of 3 main reduction gears
The 6 upper right swing arms of 5 coil springs
7 bottom right swing arms, 8 spherical hinges
9 transmission shafts, 10 steering gear connections
10-1 limit pull bar 10-2 rolls over pull bar
10-3 intermediate rod 11 bolts
12 times bracket 13 upper bracket
14 bumpers, 15 vehicle frames
16 plate disc brake 17ABS sensors
22 steering swivels
The specific embodiment
Below in conjunction with accompanying drawing structural principle of the present utility model and principle of work are done concrete description:
See also Fig. 1, Fig. 2 the utility model independent suspension steering-drive bridge constructional drawing.
As shown in the figure, main reduction gear 3 is arranged at the central authorities of drive axle, and is fixed on the vehicle frame 15; Two wheel reduction gears 1 are arranged on two wheels; Two transmission shafts, 9, one ends connect main reduction gear 3 by spherical hinge 8, and the other end is by spherical hinge 8 fifth wheel side reducers 1; One end of upper left swing arm 4, lower-left swing arm 2, upper right swing arm 6, bottom right swing arm 7 is connected on the housing of main reduction gear 3 by the swing arm support respectively, and the other end is respectively by steering swivel 22 fifth wheel side reducers 1; The two ends of steering gear connection 10 are by steering swivel 22 fifth wheel side reducers 1; Two coil springs 5 are installed in lower-left swing arm 2, the bottom right swing arm 7 respectively and the other end is fixed on the vehicle frame 15.
As shown in Figure 4, transmission shaft 9, one ends connect main reduction gear by spherical hinge 8, and the other end is by spherical hinge 8 fifth wheel side reducer axles (Fig. 5 is the spherical hinge structure scheme drawing).
The utility model top link (as shown in Figure 6), following swing arm (as shown in Figure 7) connect (as shown in figure 10) by spherical hinge with steering swivel, compare with traditional Cardon universal joint draw bail, and assembling is simple, good reliability.And can satisfy the needs of wheel maximum jitter amount and steering locking angle.
The utility model is cast as one bevel housing and swing arm support, and bolt hole and vehicle frame by the axle housing end face link, and simplified structure alleviates deadweight;
The utility model steering gear connection comprises that four openings that articulated mutually by limit pull bar 10-1, intermediate rod 10-3, folding pull bar 10-2 are trapezoidal, wherein two ends, the left and right sides articulate two folding pull bars by two limit pull bars respectively and the symmetry that forms two open trapezoidal, and it is trapezoidal that the trapezoidal break of the opening of this two symmetry articulates the opening that forms two pairs of tops by an intermediate rod.It is open trapezoidal to adopt self-compiling program to optimize steering gear connection, makes the error minimum of the theoretical corner and the actual rotational angle of wheel, guarantees the additional rotation angle minimum of wheel wheel when upper and lower beating simultaneously
As shown in Figure 8, the utility model two coil springs adopt and become rigidity Design, change and the tapering variation from front to back of helical spring steel wire diameter by footpath tapering from top to bottom in the coil spring, thereby reach coil spring, be provided with bumper in the spring unloaded different with the rigidity of at full load.Variable stiffness coil spring one end is installed in down the other end is installed on the upper bracket 13 of vehicle frame on the following bracket 12 of swing arm, reduced helical spring setting height(from bottom), guaranteeing to have simplified the structure of swing arm under lower cross arm intensity and the condition of fatigue life, reserved bigger space to general layout.
The utility model transmission shaft adopts two ball cage angular speed universal axles, guarantee wheel at balance position, beat significantly and wide-angle is rotated under the operating mode, normal constant-speed driving.
As shown in Figure 3, the utility model planetary wheel wheel reduction gear 1 project organization compactness, tep reel formula drg 16 and abs sensor 17 (as shown in Figure 9), guarantee good brake efficiency and the stability of car load, design-calculated central authorities charge and discharge gas air flue 21 in the wheel reduction gear, make it have good sealing property.
In addition, it is trapezoidal that the utility model also adopts the disconnection of self-compiling program optimization steering gear connection to put, and makes the error minimum of the theoretical corner and the actual rotational angle of wheel, guarantees the additional rotation angle minimum of wheel wheel when upper and lower beating simultaneously.Adopt self-compiling program optimization to determine the position of upper and lower swing arm, guarantee the variation of wheel wheelspan when beating, the variation minimum of camber angle.Strengthen the steering node road clearance, increase wheel maximum jitter amount and hard-over, improve the off-road capability of car load.
Adopt the heavy duty vehicle of the utility model independent suspension steering-drive bridge, it hangs the spherical hinge connection can be easy to realize the big corner of wheel, the requirement of big jerk value, the independent suspension drive axle realizes that road clearance is greater than 430mm (14.00R20 tire), on the wheel, the variation minimum of the variation of wheelspan and camber angle when jumping to the limit down, the error minimum of the theory of wheel and actual rotational angle, wheel is the additional rotation angle minimum when beating, coil spring is installed in down helical spring setting height(from bottom) is reduced, adopt two ball cage angular speed universal transmission shafts, guarantee that wheel is at balance position, beat significantly and wide-angle is rotated under the operating mode, normal constant-speed driving.Satisfy high combination property, the performance requriements of high stability third generation military vehicle.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (13)
1, a kind of independent suspension steering-drive bridge comprises:
Main reduction gear is arranged on the described drive axle and is fixed in vehicle frame;
Wheel reduction gear is arranged on the wheel;
Transmission shaft, an end connects described main reduction gear, and the other end connects described wheel reduction gear;
Left and right swing arm, an end are connected on the housing of described main reduction gear, and the other end connects described wheel reduction gear respectively;
Steering gear connection, two ends connect described wheel reduction gear;
It is characterized in that,
The two ends of described transmission shaft connect described main reduction gear and wheel reduction gear by spherical hinge respectively.
2, the outstanding bogie truck drive axle of independence according to claim 1 is characterized in that described left and right swing arm comprises upper left swing arm, lower-left swing arm, upper right swing arm, bottom right swing arm, and the fulcrum of described swing arm and the housing of described main reduction gear are one.
3, independent suspension steering-drive bridge according to claim 2, its feature also is equipped with coil spring doing in the described left and right swing arm, is provided with bumper in the described spring.
4, independent suspension steering-drive bridge according to claim 3 is characterized in that, described coil spring is installed in the swing arm of described lower-left, the bottom right swing arm respectively and the other end is fixed on the vehicle frame.
5, independent suspension steering-drive bridge according to claim 1, it is characterized in that, described steering gear connection comprises that four openings that articulated mutually by limit pull bar, intermediate rod, folding pull bar are trapezoidal, wherein two ends, the left and right sides articulate two folding pull bars by two limit pull bars respectively and the symmetry that forms two open trapezoidal, and it is trapezoidal that the trapezoidal break of the opening of this two symmetry articulates the opening that forms two pairs of tops by an intermediate rod.
6, independent suspension steering-drive bridge according to claim 1 is characterized in that, described left and right swing arm and/or steering gear connection connect described wheel reduction gear by steering swivel.
7, independent suspension steering-drive bridge according to claim 1 is characterized in that, the housing end face of described main reduction gear is provided with the bolt hole that connects vehicle frame.
8, independent suspension steering-drive bridge according to claim 1 is characterized in that, also is connected with plate disc brake and abs sensor on the described wheel reduction gear.
According to claim 1,2,5,6,7 or 8 described independent suspension steering-drive bridges, it is characterized in that 9, described transmission shaft is two ball cage angular speed universal axles.
According to claim 3 or 4 described independent suspension steering-drive bridges, it is characterized in that 10, described coil spring is a variable rate spring.
11, a kind of heavy duty vehicle comprises car body, vehicle frame, and independent suspension steering-drive bridge, described independent suspension steering-drive bridge comprises:
Main reduction gear is arranged at the central authorities of described drive axle, and is fixed on the vehicle frame;
Wheel reduction gear is arranged on the wheel;
Transmission shaft, an end connects described main reduction gear, and the other end connects described wheel reduction gear;
Left and right swing arm, an end are connected on the housing of described main reduction gear, and the other end connects described wheel reduction gear respectively;
Steering gear connection, two ends connect described wheel reduction gear;
It is characterized in that,
The two ends of described transmission shaft connect described main reduction gear and wheel reduction gear by spherical hinge respectively.
12, heavy duty vehicle according to claim 11, it is characterized in that, described left and right swing arm comprises upper left swing arm, lower-left swing arm, upper right swing arm, bottom right swing arm, the fulcrum of described swing arm and the housing of described main reduction gear are one, in the swing arm of described lower-left, the bottom right swing arm coil spring is installed also, is provided with bumper in the described spring.
According to claim 11 or 12 described heavy duty vehicles, it is characterized in that 13, described transmission shaft is two ball cage angular speed universal axles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201701146U CN201120848Y (en) | 2007-08-08 | 2007-08-08 | Independent suspension steering drive axle and heavy type load-carrying vehicle having the drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201701146U CN201120848Y (en) | 2007-08-08 | 2007-08-08 | Independent suspension steering drive axle and heavy type load-carrying vehicle having the drive axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201120848Y true CN201120848Y (en) | 2008-09-24 |
Family
ID=40008070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201701146U Expired - Lifetime CN201120848Y (en) | 2007-08-08 | 2007-08-08 | Independent suspension steering drive axle and heavy type load-carrying vehicle having the drive axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201120848Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107825927A (en) * | 2017-10-27 | 2018-03-23 | 合肥正浩机械科技有限公司 | A kind of efficiently damping type heavy type transport vehicle |
| CN110065355A (en) * | 2019-04-19 | 2019-07-30 | 北京航天发射技术研究所 | The hydro-pneumatic suspension system and its optimum design method of multi-axle heavy type vehicle |
-
2007
- 2007-08-08 CN CNU2007201701146U patent/CN201120848Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107825927A (en) * | 2017-10-27 | 2018-03-23 | 合肥正浩机械科技有限公司 | A kind of efficiently damping type heavy type transport vehicle |
| CN110065355A (en) * | 2019-04-19 | 2019-07-30 | 北京航天发射技术研究所 | The hydro-pneumatic suspension system and its optimum design method of multi-axle heavy type vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Susin Inventor after: Dan Hongbo Inventor after: Zhao Yanming Inventor after: Zhang Bin Inventor after: GE Kai Inventor after: Luo Xiaojiang Inventor after: Zuo Xia Inventor before: Susin Inventor before: Dan Hongbo Inventor before: Zhao Yanming Inventor before: Zhang Bin Inventor before: GE Kai Inventor before: Luo Xiaojiang Inventor before: Zuo Xia |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080924 |