Loader drive axle wheel-side half-shaft flange and side cover fixing structure

Abstract

The utility model discloses a loader drive axle wheel-side half shaft flange and side cover fixing structure which comprises a brake drum 1, a hub 2, a rim bolt assembly 3, a wheel-side end cover 4, a hexagon head bolt 5, a double-end stud 6, a nut 7, a gasket 8, a half shaft flange 9, a paper pad 10, a round nut assembly 11, a wheel-side outer bearing 12, a wheel-side inner bearing 13, a supporting shaft 14 and a half shaft 15. Ten threaded holes are evenly formed in the hub 2 in the circumferential direction. The number of the double-end studs 6 is two, the half-shaft flange 9, the paper pad 10 and the wheel edge end cover 4 are fixed to the hub 2 through the nuts 7 and the gaskets 8, and the two double-end studs 6 are screwed into threaded holes of the hub 2 in a diagonal distribution mode. The number of the hexagonal head bolts 5 is eight, and the half shaft flange 9, the paper pad 10 and the wheel edge end cover 4 are fixed to the other eight threaded holes of the hub 2 through gaskets. The device is simple in structure, convenient to manufacture and assemble and safe and reliable to use.

Description

Technical Field

[0001] The utility model relates to the technical field of wheel side assemblies of a loader drive axle, in particular to a wheel side half-axle flange and a side cover fixing structure of a loader drive axle. Background Art

[0002] A common wheel side half-axle flange and side cover fixing structure of a loader driving axle in the prior art includes a brake drum 1, a wheel hub 2, a wheel rim bolt assembly 3, a wheel side end cover 4, a stud 6, a nut 7, a washer 8, a half-axle flange 9, a paper gasket 10, a round nut assembly 11, a wheel side outer bearing 12, a wheel side inner bearing 13, a support shaft 14 and a half-axle 15. Since the half-axle flange 9, the paper gasket 10 and the wheel side end cover 4 at the wheel side need to be fixed on the wheel hub 2 at the same time, ten studs 6 and nuts 7 are used for fixing. The defects of this fixing structure are that the assembly process is complicated, and ten studs need to be screwed in first, and then the paper gasket, the half-axle flange and the wheel side end cover are sequentially put on the ten studs, and finally fixed with nuts; secondly, ten studs and ten nuts are required, and the material cost is relatively high. Summary of the invention

[0003] The utility model aims to solve the above defects and provide a loader drive axle wheel side half-axle flange and side cover fixing structure which is simple in structure, convenient in manufacture and assembly, and safe and reliable in use.

[0004] To achieve the above purpose, the utility model loader drive axle wheel side half-axle flange and side cover fixing structure includes a brake drum 1, a wheel hub 2, a rim bolt assembly 3, a wheel side end cover 4, a hexagonal head bolt 5, a stud 6, a nut 7, a washer 8, a half-axle flange 9, a paper gasket 10, a round nut assembly 11, a wheel side outer bearing 12, a wheel side inner bearing 13, a support shaft 14 and a half-axle 15, the wheel hub 2 is evenly provided with ten threaded holes along the circumferential direction; the stud 6 is provided with two, and the half-axle flange 9, the paper gasket 10 and the wheel side end cover 4 are fixed to the wheel hub 2 by nuts 7 and washers 8, and the two studs 6 are diagonally distributed and screwed into the threaded holes of the wheel hub 2; the hexagonal head bolts 5 are provided with eight, and the half-axle flange 9, the paper gasket 10 and the wheel side end cover 4 are fixed to the remaining eight threaded holes of the wheel hub 2 by washers.

[0005] The above-mentioned wheel side half-axle flange and side cover fixing structure of the loader drive axle is optimized in design, simplifies the assembly process, improves the assembly efficiency, and has the following technical characteristics and beneficial effects:

[0006] 1. Eight of the ten studs connecting the wheel end cover, the half-shaft flange and the paper gasket in the prior art are replaced with hexagonal bolts, which greatly saves assembly time and material costs;

[0007] 2. The structure is simple and compact, easy to manufacture and assemble, and safe and reliable to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 The utility model is a schematic diagram of the main structure of the wheel side half-axle flange and side cover fixing structure of the loader driving axle.

[0009] Figure 2 The utility model is a left sectional structural schematic diagram of a wheel side half-axle flange and a side cover fixing structure of a loader driving axle.

[0010] Figure numerals: brake drum 1, wheel hub 2, rim bolt assembly 3, wheel side end cover 4, hexagon head bolt 5, stud 6, nut 7, washer 8, half-shaft flange 9, paper gasket 10, round nut assembly 11, wheel side outer bearing 12, wheel side inner bearing 13, support shaft 14, half-shaft 15. DETAILED DESCRIPTION

[0011] The specific implementation method of the wheel side half-axle flange and side cover fixing structure of the loader drive axle of the utility model is further described in detail below in conjunction with the accompanying drawings.

[0012] Figure 1-Figure 2 As shown, the utility model loader driving axle wheel side half-axle flange and side cover fixing structure includes a brake drum 1, a wheel hub 2, a rim bolt assembly 3, a wheel side end cover 4, a hexagonal head bolt 5, a stud 6, a nut 7, a washer 8, a half-axle flange 9, a paper gasket 10, a round nut assembly 11, a wheel side outer bearing 12, a wheel side inner bearing 13, a support shaft 14 and a half-axle 15, the wheel hub 2 is evenly provided with ten threaded holes along the circumferential direction; the stud 6 is provided with two, and the half-axle flange 9, the paper gasket 10 and the wheel side end cover 4 are fixed to the wheel hub 2 by nuts 7 and washers 8, and the two studs 6 are diagonally distributed and screwed into the threaded holes of the wheel hub 2; the hexagonal head bolts 5 are provided with eight, and the half-axle flange 9, the paper gasket 10 and the wheel side end cover 4 are fixed to the remaining eight threaded holes of the wheel hub 2 by washers.

[0013] The assembly method of the utility model loader drive axle wheel side half shaft flange and side cover fixing structure is as follows:

[0014] After the brake drum 1, wheel hub 2, rim bolt assembly 3, round nut assembly 11, wheel side outer bearing 12, wheel side inner bearing 13, support shaft 14 and other components are assembled, insert the half shaft 15, and then manually screw in two studs 6 into the threaded holes of the wheel hub 2. The two studs 6 are located in any two symmetrical threaded holes of the 10 threaded holes, and then the paper pad 10, half shaft flange 9, and wheel side end cover 4 are sequentially sleeved on the two studs 6 that have been screwed in; then, tighten the eight washers 8 and the hexagonal bolts 5 in sequence according to the assembly order, and then tighten the studs 6 with two washers 8 and nuts 7; finally, force all the hexagonal bolts 5 and nuts 7, and the assembly is completed.

Claims

1. A wheel side half-axle flange and side cover fixing structure for a loader driving axle, comprising a brake drum (1), a wheel hub (2), a wheel rim bolt assembly (3), a wheel side end cover (4), a stud (6), a nut (7), a washer (8), a half-axle flange (9), a paper gasket (10), a round nut assembly (11), a wheel side outer bearing (12), a wheel side inner bearing (13), a support shaft (14) and a half-axle (15), wherein the wheel hub (2) is evenly provided with ten threaded holes along the circumferential direction; the characteristics are: It also includes a hexagonal head bolt (5); two studs (6) are provided, and the half-shaft flange (9), the paper gasket (10) and the wheel end cover (4) are fixed to the wheel hub (2) through nuts (7) and washers (8), and the two studs (6) are diagonally distributed and screwed into the threaded holes of the wheel hub (2); eight hexagonal head bolts (5) are provided, and the half-shaft flange (9), the paper gasket (10) and the wheel end cover (4) are fixed to the remaining eight threaded holes of the wheel hub (2) through washers.

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