Supporting connecting device of land leveler drive axle and balance box
A technology of a coupling device and a drive axle, which is applied in the field of motor graders, can solve the problems affecting the service life and working reliability of the half shaft 3, and requiring high machining accuracy of parts.
Active Publication Date: 2014-03-12
ZOOMLION HEAVY IND CO LTD
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Problems solved by technology
[0004] However, the above-mentioned supporting coupling device has the following defects: 1. In the above-mentioned structure, the semi-shaft 3, the second bearing 6, the balance box 1, the first bearing 5, and the semi-shaft 3 form a radially closed dimensional chain, and the The dimension chain is too long, so that the semi-shaft 3 is over-positioned, and the processing accuracy of each part on the dimension chain is high; 2. The semi-shaft 3 bears the radial force from the balance box 1, so that it can bear the torque At the same time, it must also bear the bending moment, which will affect the service life and working reliability of the half shaft 3
Method used
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[0034] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0035] In the present invention, unless stated otherwise, the used orientation words such as "inner and outer" refer to inner and outer relative to the outline of each component itself.
[0036] like figure 2 As shown, according to an embodiment of the present invention, a support coupling device for a motor grader driving axle and a balance box is provided, the support coupling device includes a balance box 1, a drive axle housing 2 and a half shaft 3, and the balance box includes The inner board 13 and the outer board 14 facing each other and the middle part 22 connected between the inner board 13 and the outer board 14, the inner board 13, the outer board 1...
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The invention discloses a supporting connecting device of a land leveler drive axle and a balance box. The supporting connecting device of the land leveler drive axle and the balance box comprises the balance box (1), a drive axle housing (2) and a half shaft (3). The balance box (1) comprises an inner side board (13) and an outer side board (14). The drive axle housing extends into the outer side board. The inner side board and the outer side board are respectively supported by the drive axle housing and can rotate around the drive axle housing. The half shaft is installed in the drive axle housing through a bearing. The invention further discloses a land leveler comprising the supporting connecting device. According to the technical scheme, the balance box and the bearing are separated through the drive axle housing, so that force exerted by the balance box fully acts on the drive axle housing, the half shaft does not bear the force from the balance box any more, the service life of the half shaft is prolonged, and the work reliability of the half shaft is improved. In addition, due to the fact that the half shaft is directly installed in the drive axle housing through the bearing, an assembly size chain is omitted, the installation manufacturing accuracy is improved, and cost is saved.
Description
technical field [0001] The invention relates to the field of motor graders, in particular to a support coupling device for a motor grader driving axle and a balance box and a motor grader with the support coupling device. Background technique [0002] Motor graders are widely used in high-grade road construction, and the supporting connection device between the drive axle of the grader and the balance box plays an important role in controlling the swing of the balance box when the grader is running. [0003] figure 1 It is a schematic cross-sectional view of the supporting coupling device of the drive axle of the motor grader and the balance box in the prior art. like figure 1 As shown, the prior art motor grader drive axle and balance box support coupling device includes balance box 1, drive axle housing 2, half shaft 3 and double sprocket 4, drive axle housing 2 extends into balance box 1 , and the inner side of the drive axle case 2 is rotatably supported on the drive ...
Claims
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Login to View More IPC IPC(8): B60B35/14B60B35/16B60B35/18
Inventor 王志标朱春灿陶建东
Owner ZOOMLION HEAVY IND CO LTD