Wheel digging electric drive axle assembly

Abstract

The utility model discloses an electric drive axle assembly of a wheel excavator, which aims to solve the problems that the existing drive axle assembly of the wheel excavator is more complicated in structure, higher in production cost and more inconvenient to maintain, and the environment is easily polluted due to the adoption of a fuel engine as a power source. An axle housing (1) is composed of a motor (4), a speed reducer I (2) and a speed reducer II (5), the two ends of the motor (4) are connected with one end of the speed reducer I (2) and one end of the speed reducer II (5) respectively, the other end of the speed reducer I (2) is connected with one end of a steering knuckle (6), the other end of the speed reducer II (5) is connected with one end of the other steering knuckle (6), and a swing frame (3) is installed on the motor (4).

Description

Technical Field

[0001] The utility model relates to a wheeled excavator, in particular to a wheeled excavator electric drive axle assembly consisting of a swing frame, a steering knuckle, a bridge housing and a brake. Background Art

[0002] At present, a wheel excavator drive axle assembly is disclosed on the market, and its structural features are: it consists of a wheel-side reducer, a main reducer, a differential, a half-axle and a bridge housing, the differential arranged in the bridge housing is connected to the transmission of the gearbox through the main reducer, the half-axle gear on the differential is connected to one end of the half-axle also arranged in the bridge housing through a spline sleeve, and the other end of the half-axle is connected to the wheel-side reducer. Therefore, the structure is relatively complex, the production cost is high, and the maintenance is inconvenient. At the same time, since a fuel engine is used as a power source, it is easy to pollute the environment. Summary of the invention

[0003] The utility model aims to provide a wheel excavator electric drive axle assembly which has simple structure, low production cost, convenient maintenance and is not prone to environmental pollution.

[0004] To achieve the above-mentioned purpose, the utility model provides a wheel excavator electric drive axle assembly, which is composed of a swing frame, a steering knuckle, a bridge housing and a brake. One end of the steering knuckle is connected to both ends of the bridge housing, and the brake is arranged at the other end of the steering knuckle. The swing frame is installed in the middle of the bridge housing, and the steering knuckle is connected to the steering cylinder through a connecting rod mechanism. The bridge housing is composed of an electric motor, a reducer I and a reducer II. One end of the reducer I and one end of the reducer II are connected to both ends of the motor, and the other end of the reducer I is connected to one end of the steering knuckle, and the other end of the reducer II is connected to one end of another steering knuckle. The swing frame is installed on the motor.

[0005] The reducer I includes a primary reduction and a secondary reduction. A stopper that can cooperate with the motor is arranged at one axial end of the reducer I, and a plurality of connecting holes are evenly distributed on the stopper. A stopper that can cooperate with the steering knuckle is arranged at the other axial end of the reducer I, and a plurality of connecting screw holes are evenly distributed on the stopper. The reducer I is also transmission-connected to one end of the motor via a spline.

[0006] The reducer II includes a primary reduction and a secondary reduction. A stopper that can cooperate with the motor is arranged at one axial end of the reducer II, and a plurality of connecting holes are evenly distributed on the stopper. A stopper that can cooperate with another steering knuckle is arranged at the other axial end of the reducer II, and a plurality of connecting screw holes are evenly distributed on the stopper. The reducer II is also transmission-connected to the other end of the motor via a spline.

[0007] The axes of the steering knuckle, reducer I, reducer II, motor and brake are on the same axis.

[0008] The two axial ends of the motor are respectively provided with stoppers that can cooperate with reducer I and reducer II, and a plurality of connecting screw holes are evenly distributed on the stoppers.

[0009] A stopper that can cooperate with reducer I or reducer II is arranged at one end of the steering knuckle facing reducer I or reducer II, and a plurality of connecting holes are evenly distributed on the stopper. The steering knuckle is also connected to reducer I or reducer II through a steering half shaft on the steering knuckle.

[0010] After adopting this structure, since the bridge housing is composed of the motor, reducer I and reducer II, one end of reducer I and one end of reducer II are connected to the two ends of the motor respectively, the other end of reducer I is connected to one end of the steering knuckle, the other end of reducer II is connected to one end of another steering knuckle, and the swing frame is installed on the motor. Thus, the purpose of simple structure, low production cost, convenient maintenance and low environmental pollution is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The utility model is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0012] Attached Figure 1 The utility model is a main cross-sectional schematic diagram of a wheel excavator electric drive axle assembly.

[0013] Attached Figure 2 The utility model is a three-dimensional schematic diagram of a wheel excavator electric drive axle assembly.

[0014] In the figure: 1. Bridge housing 2. Reducer I 3. Swing frame 4. Motor 5. Reducer II 6. Steering knuckle 7. Brake 8. Connecting rod mechanism. DETAILED DESCRIPTION

[0015] Attached Figure 1 and attached Figure 2The utility model is shown as a wheel excavation electric drive axle assembly, which is composed of a swing frame 3, a steering knuckle 6, a bridge housing 1 and a brake 7. The two ends of the bridge housing 1 are respectively connected to one end of the steering knuckle 6, and the brake 7 is arranged at the other end of the steering knuckle 6. The swing frame 3 is installed in the middle of the bridge housing, and the steering knuckle 6 is connected to the steering cylinder through a connecting rod mechanism 8. The bridge housing 1 is composed of a motor 4, a reducer Ⅰ2 and a reducer Ⅱ5. The two ends of the motor 4 are respectively connected to one end of the reducer Ⅰ2 and one end of the reducer Ⅱ5, the other end of the reducer Ⅰ2 is connected to one end of the steering knuckle 6, and the other end of the reducer Ⅱ5 is connected to another end of the steering knuckle 6. The swing frame 3 is installed on the motor 4; the reducer Ⅰ2 includes a primary reduction and a secondary reduction. A stopper that can cooperate with the motor 4 is arranged at one axial end of the reducer Ⅰ2, and a plurality of connecting holes are evenly distributed on the stopper. A stopper that can cooperate with the steering knuckle 6 is arranged at the other axial end of the reducer Ⅰ2, and a plurality of connecting screw holes are evenly distributed on the stopper. The reducer Ⅰ2 is also connected to the steering knuckle 6 through a connecting rod mechanism 8. The spline is transmission-connected with one end of the motor 4; the reducer II5 includes a primary reduction and a secondary reduction, a stopper capable of cooperating with the motor 4 is provided at one axial end of the reducer II5, a plurality of connection holes are evenly distributed on the stopper, a stopper capable of cooperating with another steering knuckle 6 is provided at the other axial end of the reducer II5, a plurality of connection screw holes are evenly distributed on the stopper, and the reducer II5 is also transmission-connected with the other end of the motor 4 through the spline; the axes of the steering knuckle 6, reducer I2, reducer II5, the motor 4 and the brake 7 are on the same axis; stoppers capable of cooperating with the reducer I2 and the reducer II5 are respectively provided at both axial ends of the motor 4, a plurality of connection screw holes are evenly distributed on the stopper; a stopper capable of cooperating with the reducer I2 or the reducer II5 is provided at one end of the steering knuckle 6 facing the reducer I2 or the reducer II5, a plurality of connection holes are evenly distributed on the stopper, and the steering knuckle 6 is also transmission-connected with the reducer I2 or the reducer II5 through the steering half shaft on the steering knuckle 6.

Claims

1. A wheel excavator electric drive axle assembly, consisting of a swing frame, a steering knuckle, a bridge housing and a brake, wherein one end of the steering knuckle is connected to both ends of the bridge housing, the brake is arranged at the other end of the steering knuckle, the swing frame is installed in the middle of the bridge housing, and the steering knuckle is connected to the steering cylinder through a connecting rod mechanism, characterized in that: The bridge housing (1) is composed of an electric motor (4), a reducer I (2) and a reducer II (5). One end of the reducer I (2) and one end of the reducer II (5) are respectively connected to the two ends of the electric motor (4). The other end of the reducer I (2) is connected to one end of a steering knuckle (6). The other end of the reducer II (5) is connected to one end of another steering knuckle (6). The swing frame (3) is mounted on the electric motor (4).

2. The wheel excavator electric drive axle assembly according to claim 1, characterized in that: The reducer I (2) comprises a primary reduction and a secondary reduction. A stopper capable of cooperating with the motor (4) is provided at one axial end of the reducer I (2), and a plurality of connection holes are evenly distributed on the stopper. A stopper capable of cooperating with the steering knuckle (6) is provided at the other axial end of the reducer I (2), and a plurality of connection screw holes are evenly distributed on the stopper. The reducer I (2) is also transmission-connected to one end of the motor (4) via a spline.

3. The wheel excavator electric drive axle assembly according to claim 1, characterized in that: The reducer II (5) comprises a primary reduction and a secondary reduction. A stopper capable of cooperating with the motor (4) is provided at one axial end of the reducer II (5), and a plurality of connection holes are evenly distributed on the stopper. A stopper capable of cooperating with another steering knuckle (6) is provided at the other axial end of the reducer II (5), and a plurality of connection screw holes are evenly distributed on the stopper. The reducer II (5) is also transmission-connected to the other end of the motor (4) via a spline.

4. The wheel excavator electric drive axle assembly according to claim 1, characterized in that: The axes of the steering knuckle (6), reducer I (2), reducer II (5), motor (4) and brake (7) are on the same axis.

5. The wheel excavator electric drive axle assembly according to claim 1, characterized in that: The motor (4) is provided with stoppers at both axial ends thereof, which can cooperate with the reducer I (2) and the reducer II (5), and a plurality of connection screw holes are evenly distributed on the stoppers.

6. The wheel excavator electric drive axle assembly according to claim 1, characterized in that: A stopper capable of cooperating with the reducer I (2) or the reducer II (5) is provided at one end of the steering knuckle (6) facing the reducer I (2) or the reducer II (5), and a plurality of connection holes are evenly distributed on the stopper. The steering knuckle (6) is also transmission-connected to the reducer I (2) or the reducer II (5) via a steering half shaft on the steering knuckle (6).

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