Economical integral planet carrier for drive axle of 3-ton loader

Abstract

The utility model discloses an economical integral planet carrier for a drive axle of a 3-ton loader. The economical integral planet carrier comprises a rim mounting flange face, a wheel disk, a side cover combination face, a wheel shaft hole, a planet wheel binding face, arc-shaped weight reduction grooves and reinforcing ribs. Three arc-shaped weight reduction grooves are evenly formed in the planet wheel attaching face in the circumferential direction, the arc-shaped weight reduction grooves are in a shape with the outer portions larger than the inner portions and are evenly distributed between every two adjacent wheel shaft holes of the three wheel shaft holes, a reinforcing rib is arranged in the middle of each arc-shaped weight reduction groove, the angle between every two adjacent reinforcing ribs is 120 degrees, and the included angle between every two adjacent reinforcing ribs and the corresponding wheel shaft hole is 60 degrees. The integral planet carrier is simple and simple in structure, low in material and manufacturing cost and safe and reliable to use, and solves the problem that an existing integral planet carrier is high in material consumption and manufacturing cost due to surplus design in a small-bearing area.

Description

TECHNICAL FIELD

[0001] The utility model relates to engineering machinery loader drive axle planetary wheel carrier technical field, concretely relates to 3 tons loader drive axle integral planetary wheel carrier. BACKGROUND

[0002] The planetary wheel carrier is an important component part of the wheel edge speed reducer of the loader drive axle, and its role is to fix the planetary wheel shaft, the planetary wheel shaft fixes the planetary wheel, and the planetary wheel carrier plays an important supporting role in the whole transmission system; the existing planetary wheel carrier generally adopts an integral structure, the stress of the integral planetary wheel carrier is mainly around the wheel shaft hole, and the bearing of the rest positions is smaller, therefore, the areas with smaller bearing have obvious design redundancy, and the material consumption and manufacturing cost have a space for reduction. SUMMARY

[0003] The utility model discloses a kind of 3 tons loader drive axle economic integral planetary wheel carriers of simple and refined structure, material and low manufacturing cost, safe and reliable use, solve the problem that the design redundancy of existing integral planetary wheel carrier in smaller area bearing causes material consumption and manufacturing cost higher.

[0004] To achieve the above object, the utility model 3 tons loader drive axle economic integral planetary wheel carrier includes rim mounting flange face 1, spoke 2, edge cover combination surface 3, wheel shaft hole 4, planetary wheel attachment surface 5, arc weight-reducing groove 6 and reinforcing rib 7;Three arc weight-reducing grooves 6 are evenly arranged on the planetary wheel attachment surface 5 along the circumferential direction, the arc weight-reducing groove 6 is in the shape of outer large and inner small, is distributed between the adjacent two wheel shaft holes 4 of three wheel shaft holes 4, reinforcing rib 7 is equipped in the middle of each arc weight-reducing groove 6, the angle between three reinforcing ribs 7 is 120 °, and the included angle with wheel shaft hole 4 is 60 °.

[0005] The depth of the arc weight-reducing groove 6 is ≦23mm, and the wall thickness at the weight-reducing groove is ≧12mm.

[0006] The edge of the arc weight-reducing groove 6 is ≧15mm from the wall thickness of the wheel shaft hole 4 to ensure the strength of the wheel shaft hole 4.

[0007] The width of the reinforcing rib 7 is 12mm.

[0008] The 3 tons loader drive axle economic integral planetary wheel carrier of the above structure has the following technical features and beneficial effects through optimization design:

[0009] 1, three arc weight-reducing grooves 6 are added on the planetary wheel attachment surface 5 of integral planetary wheel carrier, and reinforcing rib 7 is added in the groove, while ensuring the strength, effectively reducing the weight of planetary wheel carrier, reducing the material consumption and manufacturing cost of drive axle planetary wheel carrier;

[0010] 2、 The structure is simple and reliable. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is the main sectional view structure schematic diagram of the economic integral planetary wheel carrier of the 3-ton loader drive axle of the utility model.

[0012] Figure 2 is Figure 1 the sectional view structure schematic diagram of A-A.

[0013] Figure 3 is Figure 1 the sectional view structure schematic diagram of B-B.

[0014] The wheel rim mounting flange face 1, the spoke 2, the edge cover joint surface 3, the wheel shaft hole 4, the planetary wheel joint surface 5, the arc lightening groove 6 and the reinforcing rib 7 are indicated by reference numerals. DETAILED DESCRIPTION

[0015] The specific embodiment of the economic integral planetary wheel carrier of the 3-ton loader drive axle of the utility model is further explained in detail below in combination with the drawings.

[0016] Figures 1-3 As shown, the economic integral planetary wheel carrier of the 3-ton loader drive axle of the utility model comprises a wheel rim mounting flange face 1, a spoke 2, an edge cover joint surface 3, a wheel shaft hole 4, a planetary wheel joint surface 5, an arc lightening groove 6 and a reinforcing rib 7; three arc lightening grooves 6 with a depth ≦ 23 mm are evenly arranged on the planetary wheel joint surface 5 along the circumferential direction, the wall thickness at the lightening groove is ≧ 12 mm, the arc lightening groove 6 has an outer large and inner small shape, is evenly distributed between adjacent two wheel shaft holes 4 of the three wheel shaft holes 4, a reinforcing rib 7 with a width of 12 mm is arranged in the middle of each arc lightening groove 6, the angle between the three reinforcing ribs 7 is 120°, the included angle with the wheel shaft hole 4 is 60°, the edge of the arc lightening groove 6 is away from the wall thickness of the wheel shaft hole 4 by ≧ 15 mm, so as to ensure the strength of the wheel shaft hole 4.

[0017] The economic integral planetary wheel carrier of the 3-ton loader drive axle of the utility model evenly arranges three arc lightening grooves 6 on the planetary wheel joint surface 5 of the integral planetary wheel carrier along the circumferential direction, the wheel shaft hole 4 for placing the wheel shaft is arranged between adjacent two arc lightening grooves 6, and a reinforcing rib 7 is additionally arranged in each lightening groove, the angle between the three reinforcing ribs 7 is 120°, and the included angle with the wheel shaft hole 4 is 60°, the reinforcing rib 7 can effectively increase the reliability of the planetary wheel carrier. This structure can effectively reduce the weight of the planetary wheel carrier and reduce the manufacturing cost of the drive axle planetary wheel carrier.

Claims

1. A 3-tonne loader drive axle economy type integral planetary carrier, comprising a rim mounting flange face (1), a web (2), a rim cap joint face (3), an axle hole (4), a planetary wheel joint face (5); characterized in that: It also includes arc-shaped lightening groove (6) and reinforcing rib (7); the planetary gear matching surface (5) is uniformly provided with three arc-shaped lightening grooves (6) along the circumferential direction, the arc-shaped lightening groove (6) is large outside and small inside, is uniformly distributed between two adjacent wheel shaft holes (4) of the three wheel shaft holes (4), and the reinforcing rib (7) is arranged in the middle of each arc-shaped lightening groove (6), the angle between the three reinforcing ribs (7) is 120°, and the included angle with the wheel shaft hole (4) is 60°.

2. The 3-tonne carrier drive axle economy-type solid planetary carrier as set forth in claim 1, characterized in that: The depth of the arc-shaped lightening groove (6) is ≦23mm, and the wall thickness at the lightening groove is ≧12mm.

3. The 3 tonne carrier drive axle economy unit planetary carrier as set forth in claim 1, characterized in that: The edge of the arc-shaped lightening groove (6) is ≧15mm away from the wall thickness of the wheel shaft hole (4), so as to ensure the strength of the wheel shaft hole (4).

4. The 3-tonne carrier drive axle economy-type solid planetary carrier as set forth in claim 1, wherein: The width of the reinforcing rib (7) is 12mm.

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