Main and auxiliary leaf spring assembly
A main leaf spring, leaf spring technology, applied in the direction of spring/shock absorber, leaf spring, elastic suspension, etc., can solve the problems of uneven force, large displacement, interference with tires, etc., and achieve the effect of avoiding displacement
Inactive Publication Date: 2013-12-18
湖北三环汽车有限公司
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Problems solved by technology
[0002] In the current commercial vehicles, when assembling the main and auxiliary leaf spring assemblies, a flat leaf spring spacer is used between the main leaf spring and the auxiliary leaf spring. When the main leaf spring and the auxiliary leaf spring are packaged, U-shaped bolts are used to fasten them. , because there is a gap between the two U-shaped bolts, and there is no limit in the vertical direction, so there is a certain displacement in the vertical direction between the main leaf spring and the auxiliary leaf spring. When the road is flat, the left and right leaf springs are unevenly stressed, which will lead to greater displacement. When this happens, the auxiliary leaf spring will not only interfere with the tires, but also interfere with the frame
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[0009] Such as figure 1 A main and auxiliary leaf spring assembly shown includes a main leaf spring 1 and an auxiliary leaf spring 3, a leaf spring backing plate 2 is provided between the main leaf spring and the auxiliary leaf spring, the main leaf spring, the auxiliary leaf spring, and the leaf spring The backing plate is provided with bolt passing holes, the main leaf spring and the leaf spring backing plate are fixed by the first bolt 4, and the auxiliary leaf spring and the leaf spring backing plate are fixed by the second bolt 5.
[0010] Such as figure 1 As shown, the main leaf spring 1, the leaf spring backing plate 2 and the auxiliary leaf spring 3 are fixed by two bolts. It is not limited to this, and a bolt can also be used to fix the three together.
[0011] Such as figure 2 , image 3 As shown, the structure of the leaf spring backing plate: it has a support plate 2a, two ends of the support plate 2a extend upwards to two arms 2b, thereby extending upward a s...
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The invention provides a main and auxiliary leaf spring assembly which comprises a main leaf spring and an auxiliary leaf spring, wherein a leaf spring bearing plate is arranged between the main leaf spring and the auxiliary leaf spring. The technical points lie in the following structure of the leaf spring bearing plate: the leaf spring bearing plate is provided with a support flat plate, and the support flat plate extends upwards to form an auxiliary leaf spring positioning groove and extend downwards to form a main leaf spring positioning groove; the support flat plate, the auxiliary leaf spring positioning groove and the main leaf spring positioning groove adopt an integral structure; the two plane surfaces of the support flat plate are respectively contacted with the main leaf spring and the auxiliary leaf spring, the auxiliary leaf spring positioning groove is used for clamping the width direction of the auxiliary leaf spring, and the main leaf spring positioning groove is used for clamping the width direction of the main leaf spring, so that vertical positioning of the main leaf spring and the auxiliary leaf spring is guaranteed. Through improvement on the structure of the leaf spring bearing plate, displacement during the use process is avoided, and the purpose that the auxiliary leaf spring doesn't interfere with a vehicle frame and a tire is completely achieved.
Description
technical field [0001] The invention belongs to the field of automobile suspension systems and relates to a main and auxiliary leaf spring assembly. Background technique [0002] In the current commercial vehicles, when assembling the main and auxiliary leaf spring assemblies, a flat leaf spring spacer is used between the main leaf spring and the auxiliary leaf spring. When the main leaf spring and the auxiliary leaf spring are packaged, U-shaped bolts are used to fasten them. , because there is a gap between the two U-shaped bolts, and there is no limit in the vertical direction, so there is a certain displacement in the vertical direction between the main leaf spring and the auxiliary leaf spring. When the road is leveled, the left and right leaf springs are unevenly stressed, which will lead to greater displacement. When this happens, the auxiliary leaf spring will not only interfere with the tires, but also interfere with the frame. Contents of the invention [0003] ...
Claims
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IPC IPC(8): F16F1/26B60G11/02
Inventor 胡东燕飞
Owner 湖北三环汽车有限公司