一种电力机车主手柄限速器
By using the speed-limiting groove and speed-limiting baffle structure of the speed limiter on the main handle of the electric locomotive, the problem of overspeeding caused by the driver accidentally touching the speed control handle was solved, thus achieving safe, stable, and economical operation of the train.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHINA RAILWAY JINAN BUREAU GRP CO LTD JINAN WEST LOCOMOTIVE DEPOT
- Filing Date
- 2025-10-10
- Publication Date
- 2026-07-17
Smart Images

Figure CN224511112U_ABST
Abstract
Claims
1. A speed limiter for the main handle of an electric locomotive, characterized in that: Includes a connecting piece (1), the bottom of the connecting piece (1) is provided with a insert (2), the connecting piece (1) and the insert (2) are set at an angle, the top of the connecting piece (1) is provided with a speed limiting groove (3), and a speed limiting baffle (4) with a U-shaped cross section is rotatably connected to one side of the top of the connecting piece (1). The speed limiting baffle (4) can be fastened to the top of the connecting piece (1) and block the speed limiting groove (3).
2. The speed limiter for the main handle of an electric locomotive according to claim 1, characterized in that: The speed limiter (4) has a strip groove (5) on the side away from the U-shaped opening, and the strip groove (5) is located at the end of the speed limiter (4) near the rotating connection.
3. The speed limiter for the main handle of an electric locomotive according to claim 1, characterized in that: The connecting piece (1) is provided with two limiting pieces (6) on the side near the insert piece (2), and the two limiting pieces (6) are symmetrically arranged on both sides of the insert piece (2).
4. The speed limiter for the main handle of an electric locomotive according to claim 3, characterized in that: A slot (7) is provided between the insert (2) and the limiting piece (6).
5. The speed limiter for the main handle of an electric locomotive according to claim 1, characterized in that: The horizontal width of the speed limiting groove (3) is greater than the diameter of the handle, and the length of the speed limiting baffle (4) is greater than the horizontal width of the speed limiting groove (3).
6. The speed limiter for the main handle of an electric locomotive according to claim 1, characterized in that: The thickness of the insert (2) is less than the gap thickness of the handle groove, and the width of the insert (2) is less than the width of the handle groove.