CN204095881U - Drive axle and Duo Qiao chassis - Google Patents
Drive axle and Duo Qiao chassis Download PDFInfo
- Publication number
- CN204095881U CN204095881U CN201420479236.3U CN201420479236U CN204095881U CN 204095881 U CN204095881 U CN 204095881U CN 201420479236 U CN201420479236 U CN 201420479236U CN 204095881 U CN204095881 U CN 204095881U
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- tierod
- drive axle
- axle housing
- steering hardware
- connection
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Abstract
The utility model provides a kind of drive axle and Duo Qiao chassis.Drive axle comprises: axle housing; Bridge bag, bridge bag is arranged on the front of axle housing; Steering hardware, steering hardware is arranged on the rear of axle housing, and rear bearing of trend is forwards the working direction of vehicle.Because steering hardware is arranged on the rear of drive axle, thus interference can not be produced between steering hardware and bridge bag, steering hardware is also without the need to arranging too low to dodge bridge bag, thus steering hardware is effectively avoided to be broken by ground, thus while ensureing steering hardware reliable in action, also improve the working stability of drive axle, and effectively extend drive axle service life, improve safety in utilization.Meanwhile, the drive axle in the utility model also has that structure is simple, the feature of low cost of manufacture.
Description
Technical field
The utility model relates to Vehicle Engineering technical field, more specifically, relates to a kind of drive axle and Duo Qiao chassis.
Background technology
As depicted in figs. 1 and 2, in prior art, some drive axle possesses turning function, but steering hardware 30 ' is arranged on the front of drive axle usually, the namely side at bridge bag 20 ' place, arrange because steering hardware 30 ' needs to dodge bridge bag 20 ', thus the intermediate rod of steering hardware 30 ' is usually needed to make Curved, and intermediate rod is arranged on the below of bridge bag 20 ', so just make steering hardware 30 ' setting position too low, thus easily cause the problem that steering hardware 30 ' is broken by ground.
Utility model content
The utility model aims to provide a kind of drive axle and Duo Qiao chassis, to arrange too low to solve steering hardware of the prior art thus causes easily by problem that ground breaks because dodging bridge bag.
For solving the problems of the technologies described above, according to an aspect of the present utility model, providing a kind of drive axle, comprising: axle housing; Bridge bag, bridge bag is arranged on the front of axle housing; Steering hardware, steering hardware is arranged on the rear of axle housing, and rear bearing of trend is forwards the working direction of vehicle.
Further, drive axle is back axle.
Further, drive axle comprises the first wheel flutter and the second wheel flutter, first wheel flutter is also connected with the two ends one_to_one corresponding of axle housing pivotly with the second wheel flutter, and steering hardware comprises: the first Ackermann steering gear arm, and the first end of the first Ackermann steering gear arm is connected with the first wheel flutter; Second Ackermann steering gear arm, the first end of the second Ackermann steering gear arm is connected with the second wheel flutter; First tierod, the first end of the first tierod is connected pivotly with the second end of the first Ackermann steering gear arm; Second tierod, the first end of the second tierod is connected pivotly with the second end of the second Ackermann steering gear arm; Intermediate rockers, intermediate rockers and axle housing are connected pivotly and form the first point of connection, intermediate rockers is positioned at the middle part of axle housing, second end of the first tierod is connected pivotly with intermediate rockers and forms the second point of connection, second end of the second tierod is connected pivotly with intermediate rockers and forms the 3rd point of connection, and the first point of connection, triangular in shape between the second point of connection and the 3rd point of connection.
Further, steering hardware also comprises connecting arm, and the first end of connecting arm is connected with axle housing, and connecting arm is positioned at the middle part of axle housing, second end of connecting arm stretches out to the rear of axle housing, and intermediate rockers realizes being connected pivotly with axle housing by being connected pivotly with the second end of connecting arm.
Further, steering hardware also comprises bearing pin, and connecting arm is connected with intermediate rockers pivotly by bearing pin.
Further, when the 3rd point of connection and the line between the second point of connection are parallel with the length direction of axle housing, the second point of connection is near the side at the second wheel flutter place, and the 3rd point of connection is near the side at the first wheel flutter place.
Further, the second end of the first tierod is positioned at the top of intermediate rockers, and the second end of the second tierod is positioned at the below of intermediate rockers.
Further, steering hardware also comprises bulb, bulb is at least one, and the first tierod is connected by bulb with at least one group in intermediate rockers with intermediate rockers, the second tierod with the second Ackermann steering gear arm, the first tierod with the first Ackermann steering gear arm, the second tierod.
Further, drive axle also comprises: lower thrust rod mounting bracket, and lower thrust rod mounting bracket is connected with axle housing and below to axle housing is stretched out; Lower thrust rod, lower thrust rod is arranged on lower thrust rod mounting bracket, and lower thrust rod is positioned at the below of axle housing.
According to another aspect of the present utility model, provide a kind of Duo Qiao chassis, comprise drive axle, drive axle is above-mentioned drive axle.
Bridge bag in the utility model is arranged on the front of axle housing, and steering hardware is arranged on the rear of axle housing, and rear bearing of trend is forwards the working direction of vehicle.Because steering hardware is arranged on the rear of drive axle, thus interference can not be produced between steering hardware and bridge bag, steering hardware is also without the need to arranging too low to dodge bridge bag, thus steering hardware is effectively avoided to be broken by ground, thus while ensureing steering hardware reliable in action, also improve the working stability of drive axle, and effectively extend drive axle service life, improve safety in utilization.Meanwhile, the drive axle in the utility model also has that structure is simple, the feature of low cost of manufacture.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 diagrammatically illustrates the structural representation of drive axle of the prior art;
Fig. 2 diagrammatically illustrates the birds-eye view of Fig. 1;
Fig. 3 diagrammatically illustrates the structural representation of the drive axle in the utility model; And
Fig. 4 diagrammatically illustrates the birds-eye view of Fig. 3.
Reference numeral in figure: 10, axle housing; 20, Qiao Bao; 30, steering hardware; 31, the first Ackermann steering gear arm; 32, the second Ackermann steering gear arm; 33, the first tierod; 34, the second tierod; 35, intermediate rockers; 35a, the first point of connection; 35b, the second point of connection; 35c, the 3rd point of connection; 36, connecting arm; 37, bearing pin; 38, bulb; 40, the first wheel flutter; 50, the second wheel flutter; 60, lower thrust rod mounting bracket; 20 ', bridge bag; 30 ', steering hardware.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
As first aspect of the present utility model, provide a kind of drive axle.As shown in Figure 3 and Figure 4, drive axle comprises axle housing 10, bridge bag 20 and steering hardware 30, and bridge bag 20 is arranged on the front of axle housing 10, and steering hardware 30 is arranged on the rear of axle housing 10, and rear bearing of trend is forwards the working direction of vehicle.Because steering hardware 30 is arranged on the rear of drive axle, thus interference can not be produced between steering hardware 30 and bridge bag 20, steering hardware 30 is also without the need to arranging too low to dodge bridge bag 20, thus steering hardware 30 is effectively avoided to be broken by ground, thus while ensureing steering hardware 30 reliable in action, also improve the working stability of drive axle, and effectively extend drive axle service life, improve safety in utilization.Meanwhile, the drive axle in the utility model also has that structure is simple, the feature of low cost of manufacture.
Preferably, drive axle is back axle.
In preferred implementation as shown in Figure 3 and Figure 4, drive axle comprises the first wheel flutter 40 and the second wheel flutter 50, first wheel flutter 40 is also connected with the two ends one_to_one corresponding of axle housing 10 pivotly with the second wheel flutter 50, the first end that steering hardware 30 comprises the first Ackermann steering gear arm 31, second Ackermann steering gear arm 32, first tierod 33, second tierod 34 and intermediate rockers 35, first Ackermann steering gear arm 31 is connected with the first wheel flutter 40; The first end of the second Ackermann steering gear arm 32 is connected with the second wheel flutter 50; The first end of the first tierod 33 is connected pivotly with the second end of the first Ackermann steering gear arm 31; The first end of the second tierod 34 is connected pivotly with the second end of the second Ackermann steering gear arm 32; Intermediate rockers 35 is connected pivotly with axle housing 10 and forms the first point of connection 35a, intermediate rockers 35 is positioned at the middle part of axle housing 10, second end of the first tierod 33 is connected pivotly with intermediate rockers 35 and forms the second point of connection 35b, second end of the second tierod 34 is connected pivotly with intermediate rockers 35 and forms the 3rd point of connection 35c, and the first point of connection 35a, triangular in shape between the second point of connection 35b and the 3rd point of connection 35c.Theory calls is met in order to enable the corner of the first wheel flutter 40 and the second wheel flutter 50, thus need the first tierod 33 and the second tierod 34 that long enough is set to obtain, but during when the length of the first tierod 33 and the second tierod 34 with much larger than distance between the first wheel flutter 40 and the second wheel flutter 50, first tierod 33 and the second tierod 34 can play interference effect to the motion of the first wheel flutter 40 and the second wheel flutter 50, thus the corner of the first wheel flutter 40 and the second wheel flutter 50 can not be adjusted by means of only the method for the length of increase by first tierod 33 and the second tierod 34.
Be provided with intermediate rockers 35 in steering hardware in the utility model, by intermediate rockers 35, first tierod 33, second tierod 34 connected pivotly.Owing to adding intermediate rockers 35, thus the freedom of motion of steering hardware is added, thus under the first tierod 33 and the rational situation of the second tierod 34 length, ensure that the corner of the first wheel flutter 40 and the second wheel flutter 50, effectively prevent the inordinate wear of tire, make tire at utmost be in the state of pure rolling, and then improve the traveling reliability of drive axle.
Steering hardware 30 in the utility model also comprises connecting arm 36, the first end of connecting arm 36 is connected with axle housing 10, connecting arm 36 is positioned at the middle part of axle housing 10, second end of connecting arm 36 stretches out to the rear of axle housing 10, and intermediate rockers 35 realizes being connected pivotly (please refer to Fig. 4) with axle housing 10 by being connected pivotly with the second end of connecting arm 36.Owing to being provided with connecting arm 36, thus the spacing between intermediate rockers 35 and axle housing 10 is added, thus make the first Ackermann steering gear arm 31, second Ackermann steering gear arm 32, first tierod 33, second tierod 34 and intermediate rockers 35 have enough motion spaces, ensure that the rotation reliability of the first wheel flutter 40 and the second wheel flutter 50.
In preferred implementation as shown in Figure 4, when line between the 3rd point of connection 35c with the second point of connection 35b is parallel with the length direction of axle housing 10, second point of connection 35b is near the side at the second wheel flutter 50 place, and the 3rd point of connection 35c is near the side at the first wheel flutter 40 place.Because the second point of connection 35b is near the side at the second wheel flutter 50 place, 3rd point of connection 35c is near the side at the first wheel flutter 40 place, what thus effectively increase the first tierod 33 and the second tierod 34 arranges length, and can effectively avoid the first tierod 33 and the second tierod 34 and the first wheel flutter 40 and the second wheel flutter 50 to produce movement interference, thus improve the traveling reliability of drive axle.
Preferably, the second end of the first tierod 33 is positioned at the top of intermediate rockers 35, and the second end of the second tierod 34 is positioned at the below (please refer to Fig. 3 and Fig. 4) of intermediate rockers 35.Because the first tierod 33 and the second tierod 34 are not arranged in same plane, thus effectively avoid movement interference therebetween, improve the layout reliability of the first tierod 33 and the second tierod 34.
Preferably, steering hardware 30 also comprises bearing pin 37, and connecting arm 36 is connected with intermediate rockers 35 pivotly by bearing pin 37.Because connecting arm 36 is connected with intermediate rockers 35 pivotly by bearing pin 37, thus intermediate rockers 35 and connecting arm 36 only at the rotation with in surface of the line of centers perpendicular to bearing pin 37, thus can ensure that motion credibility and the connection reliability of intermediate rockers 35 and connecting arm 36.
Steering hardware 30 in the utility model also comprises bulb 38, bulb 38 is at least one, and the first tierod 33 is connected by bulb 38 with at least one group in intermediate rockers 35 with intermediate rockers 35, second tierod 34 with the second Ackermann steering gear arm 32, first tierod 33 with the first Ackermann steering gear arm 31, second tierod 34.Because bulb has, connection reliability is high, freedom of motion good, thus ensure that installation reliability and the motion credibility of steering hardware 30.Certainly, oscillating bearing can also be used to replace bulb.
Preferably, drive axle also comprises lower thrust rod mounting bracket 60 and lower thrust rod, and lower thrust rod mounting bracket 60 is connected with axle housing 10 and below to axle housing 10 is stretched out; Lower thrust rod is arranged on lower thrust rod mounting bracket 60, and lower thrust rod is positioned at the below of axle housing 10.Because steering hardware is no longer arranged on the front of axle housing 10, thus for the front of axle housing 10 reserves segment space, thus convenient installation lower thrust rod mounting bracket 60 and lower thrust rod.Certainly, the front that the parts such as axle main speed reducer, current vortex retarder are arranged in axle housing 10 is also convenient to.
Drive axle in the utility model solves the problem of steering hardware difficult arrangement, and avoids because turning to insensitive and problem that is that cause wear on tyres serious, effectively can extend the service life of tire, reduce the maintenance cost of vehicle.And due to without the need to again the first tierod 33 and/or the second tierod 34 being arranged to bending shape, thus effectively improve the rigidity of the first tierod 33 and/or the second tierod 34, ensure that the reliability of service of steering hardware 30.
As second aspect of the present utility model, provide a kind of Duo Qiao chassis.Duo Qiao chassis comprises drive axle, and drive axle is above-mentioned drive axle.Due to the drive axle in the utility model there is reasonable structural arrangement, reliability of service is high, safety good, turn to feature more flexibly, thus ensure that the reliability of service on Duo Qiao chassis.
Preferably, the number of the vehicle bridge in Duo Qiao chassis is greater than 5.Further, the vehicle tonnage of Duo Qiao chassis application is 100 tons, 130 tons, 160 tons or 220 tons etc.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a drive axle, is characterized in that, comprising:
Axle housing (10);
Bridge bag (20), described bridge bag (20) is arranged on the front of described axle housing (10);
Steering hardware (30), described steering hardware (30) is arranged on the rear of described axle housing (10), and described rear is the working direction of vehicle to the bearing of trend in described front.
2. drive axle according to claim 1, is characterized in that, described drive axle is back axle.
3. drive axle according to claim 1 and 2, it is characterized in that, described drive axle comprises the first wheel flutter (40) and the second wheel flutter (50), described first wheel flutter (40) is also connected with the two ends one_to_one corresponding of described axle housing (10) pivotly with described second wheel flutter (50), and described steering hardware (30) comprising:
First Ackermann steering gear arm (31), the first end of described first Ackermann steering gear arm (31) is connected with described first wheel flutter (40);
Second Ackermann steering gear arm (32), the first end of described second Ackermann steering gear arm (32) is connected with described second wheel flutter (50);
First tierod (33), the first end of described first tierod (33) is connected pivotly with the second end of described first Ackermann steering gear arm (31);
Second tierod (34), the first end of described second tierod (34) is connected pivotly with the second end of described second Ackermann steering gear arm (32);
Intermediate rockers (35), described intermediate rockers (35) is connected pivotly with described axle housing (10) and forms the first point of connection (35a), described intermediate rockers (35) is positioned at the middle part of described axle housing (10), second end of described first tierod (33) is connected pivotly with described intermediate rockers (35) and forms the second point of connection (35b), second end of described second tierod (34) is connected pivotly with described intermediate rockers (35) and forms the 3rd point of connection (35c), and described first point of connection (35a), triangular in shape between described second point of connection (35b) and described 3rd point of connection (35c).
4. drive axle according to claim 3, it is characterized in that, described steering hardware (30) also comprises connecting arm (36), the first end of described connecting arm (36) is connected with described axle housing (10), described connecting arm (36) is positioned at the middle part of described axle housing (10), second end of described connecting arm (36) stretches out to the rear of described axle housing (10), and described intermediate rockers (35) realizes being connected pivotly with described axle housing (10) by being connected pivotly with the second end of described connecting arm (36).
5. drive axle according to claim 4, it is characterized in that, described steering hardware (30) also comprises bearing pin (37), and described connecting arm (36) is connected with described intermediate rockers (35) pivotly by described bearing pin (37).
6. drive axle according to claim 3, it is characterized in that, when described 3rd point of connection (35c) and the line between described second point of connection (35b) are parallel with the length direction of described axle housing (10), described second point of connection (35b) is near the side at described second wheel flutter (50) place, and described 3rd point of connection (35c) is near the side at described first wheel flutter (40) place.
7. drive axle according to claim 3, it is characterized in that, second end of described first tierod (33) is positioned at the top of described intermediate rockers (35), and the second end of described second tierod (34) is positioned at the below of described intermediate rockers (35).
8. drive axle according to claim 3, it is characterized in that, described steering hardware (30) also comprises bulb (38), described bulb (38) is at least one, described first tierod (33) and described first Ackermann steering gear arm (31), described second tierod (34) and described second Ackermann steering gear arm (32), described first tierod (33) and described intermediate rockers (35), described second tierod (34) is connected by described bulb (38) with at least one group in described intermediate rockers (35).
9. drive axle according to claim 1, is characterized in that, described drive axle also comprises:
Lower thrust rod mounting bracket (60), described lower thrust rod mounting bracket (60) is connected with described axle housing (10) and below to described axle housing (10) is stretched out;
Lower thrust rod, described lower thrust rod is arranged on described lower thrust rod mounting bracket (60), and described lower thrust rod is positioned at the below of described axle housing (10).
10. a Duo Qiao chassis, comprises drive axle, it is characterized in that, described drive axle is the drive axle according to any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420479236.3U CN204095881U (en) | 2014-08-22 | 2014-08-22 | Drive axle and Duo Qiao chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420479236.3U CN204095881U (en) | 2014-08-22 | 2014-08-22 | Drive axle and Duo Qiao chassis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204095881U true CN204095881U (en) | 2015-01-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420479236.3U Active CN204095881U (en) | 2014-08-22 | 2014-08-22 | Drive axle and Duo Qiao chassis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204095881U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104691617A (en) * | 2015-02-12 | 2015-06-10 | 集美大学 | Steering device and fire trailer with same |
-
2014
- 2014-08-22 CN CN201420479236.3U patent/CN204095881U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104691617A (en) * | 2015-02-12 | 2015-06-10 | 集美大学 | Steering device and fire trailer with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |