一种轨道车辆输出联轴节、齿轮箱及驱动装置

Abstract

本实用新型涉及一种轨道车辆输出联轴节、齿轮箱及驱动装置，其输出联轴节包括：空心传动轴、鼓形齿轮、过渡筒和车轴连接盘；过渡筒穿设在空心传动轴内；空心传动轴内形成有内齿圈，鼓形齿轮的外周面形成有鼓形齿，内齿圈与鼓形齿浮动啮合；鼓形齿轮的端面上形成有第一端面齿，过渡筒的一端形成有第二端面齿，第一端面齿与第二端面齿相啮合，且鼓形齿轮与过渡筒固定连接；车轴连接盘安装在过渡筒的另一端。本实用新型中使得鼓形齿轮能够沿空心传动轴的轴向方向运动和能够相对于空心传动轴的轴线方向进行偏转运动，车轮转动过程中，空心传动轴与鼓形齿轮之间和鼓形齿轮还与过渡筒之间能缓冲部分车轮与车轴连接盘的偏移量，增加了装置的使用寿命。

Claims

1. A rail vehicle output coupling, characterized by, include: Hollow drive shaft (1), drum gear (2), transition cylinder (3) and axle connecting disc (4); the transition cylinder (3) passes through the hollow drive shaft (1); An internal gear ring (1-1) is formed inside the hollow transmission shaft (1), and a drum-shaped tooth (2-1) is formed on the outer circumferential surface of the drum-shaped gear (2). The internal gear ring (1-1) and the drum-shaped tooth (2-1) are in floating engagement. The drum gear (2) has a first end face tooth (2-2) formed on its end face, and the transition cylinder (3) has a second end face tooth (3-1) formed on one end. The first end face tooth (2-2) meshes with the second end face tooth (3-1), and the drum gear (2) is fixedly connected to the transition cylinder (3). The axle connecting disc (4) is installed at the other end of the transition cylinder (3).

2. An output coupling for a rail vehicle as claimed in claim 1, characterised in that, A through hole (2-3) is formed on the drum gear (2), and a first bolt (3-2) is formed on the transition cylinder (3) corresponding to the through hole (2-3). The drum gear (2) and the transition cylinder (3) are fixedly connected by the first bolt (3-2).

3. An output coupling for a rail vehicle as claimed in claim 1, characterised in that, A buffer structure (5) is provided between the axle connecting disc (4) and the transition cylinder (3).

4. An output coupling for a rail vehicle as claimed in claim 3, characterised in that, The buffer structure (5) includes two or more rubber blocks (5-1) and two or more metal blocks (5-2). Each rubber block (5-1) and each metal block (5-2) are spaced apart from each other and are sequentially fixedly connected to form the buffer structure (5).

5. An output coupling for a rail vehicle as claimed in claim 4, characterised in that, Each of the rubber blocks (5-1) is fixed on the transition cylinder (3), and each of the metal blocks (5-2) is fixed on the axle connecting plate (4).

6. An output coupling for a rail vehicle as claimed in claim 5, characterised in that, Each of the rubber blocks (5-1) and each of the metal blocks (5-2) has a connecting pin (6), and the transition cylinder (3) and the axle connecting plate (4) have connecting holes (7) corresponding to the connecting pins (6), and the connecting pins (6) are positioned and inserted into the connecting holes (7).

7. An output coupling for a rail vehicle as claimed in claim 4, characterised in that, Each of the rubber blocks (5-1) has a snap-fit ​​protrusion (5-1-1) on both sides, and each of the metal blocks (5-2) has a snap-fit ​​groove (5-2-1) corresponding to the snap-fit ​​protrusion (5-1-1), and the snap-fit ​​protrusion (5-1-1) snaps into the snap-fit ​​groove (5-2-1).

8. An output coupling for a rail vehicle as claimed in claim 7, characterised in that, Each of the metal blocks (5-2) is provided with a pressure plate (8) corresponding to each of the snap-fit ​​protrusions (5-1-1). The pressure plate (8) is fixed on the metal block (5-2) and presses against the snap-fit ​​protrusion (5-1-1) to prevent the snap-fit ​​protrusion (5-1-1) from coming out of the snap-fit ​​groove (5-2-1).

9. A gearbox, characterized in that The system includes a rail vehicle output coupling as described in any one of claims 1-8, and further includes an output gear (9), a bevel gear (10), an intermediate shaft gear (11), and an input shaft gear (12). The output gear (9) is sleeved on the hollow drive shaft (1) and fixedly connected to the hollow drive shaft (1); The input shaft gear (12), the bevel gear (10), the intermediate shaft gear (11), and the output gear (9) are connected in sequence for transmission. The input shaft gear (12) meshes with the bevel gear (10), the bevel gear (10) is interference-fitted with the intermediate shaft gear (11), and the intermediate shaft gear (11) meshes with the output gear (9).

10. A gearbox according to claim 9, characterised in that It also includes a gearbox-side half-coupling (13) and a motor-side half-coupling (14), which are fixedly connected; the gearbox-side half-coupling (13) is interference-fitted with the input shaft gear (12).

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