测速装置及车辆
By installing an adjustment component for the speed measuring device on a small fuel-powered loader vehicle, the problem of the distance error between the speed sensor and the code disk was solved, enabling accurate speed measurement and real-time vehicle speed display, thus improving the safety of vehicle operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGXI LIUGONG MASCH CO LTD
- Filing Date
- 2025-07-25
- Publication Date
- 2026-07-17
AI Technical Summary
Existing small fuel-powered loaders and other vehicles lack vehicle speed monitoring systems, and the gearboxes do not have output gear speed monitoring interfaces. This results in manufacturing and installation errors between the speed sensor and the code disk being unreliable, affecting the accuracy of speed measurement.
A speed measuring device is provided, including a speed measuring component and an adjustment component. The adjustment component adjusts the distance between the speed measuring sensor and the code disk during manufacturing and installation to make it conform to a preset value, thereby ensuring the accuracy of speed measurement.
Even if there are errors in the manufacturing and installation process, the distance between the speed sensor and the code disk can be adjusted to meet the preset value by adjusting the components, ensuring accurate speed measurement of the speed measuring device, providing real-time vehicle speed information, and improving operational safety.
Smart Images
Figure CN224518748U_ABST
Abstract
Claims
1. A speed measuring device, characterized in that include: The speed measuring assembly (1) includes a code disk (11), a bracket (12) and a speed sensor (13). The code disk (11) is configured to be drive-connected to the output shaft of the gearbox (100). The bracket (12) is fixed to the vehicle frame or the housing of the gearbox (100). The speed sensor (13) is disposed on the bracket (12) and is opposite to the code disk (11) along the radial direction of the code disk (11). Adjustment component (2) includes a first state and a second state. In the first state, the adjustment component (2) enables the speed sensor (13) to slide relative to the bracket (12) along the radial direction of the code disk (11). In the second state, the adjustment component (2) enables the speed sensor (13) to be fixed relative to the bracket (12).
2. The speed measuring device of claim 1, wherein The bracket (12) is provided with mounting holes, the axis of which is consistent with the radial direction of the code disk (11); The adjustment assembly (2) includes a first adjustment bolt (21) and a second adjustment bolt (22). The speed sensor (13) is inserted through the mounting hole. The first adjustment bolt (21) and the second adjustment bolt (22) are both screwed to the speed sensor (13) and are located on both sides of the bracket (12).
3. The speed measuring device of claim 2, wherein The speed sensor (13) has an external thread on its outer peripheral wall, and the pitch of the external thread is a preset value a, 1mm≤a≤3mm.
4. The device of claim 2, wherein, The bracket (12) includes a first plate (121) and a second plate (122), the first plate (121) being configured to be fixed to the gearbox (100) or the frame, the second plate (122) being radially perpendicular to the code disk (11), and the mounting hole being located on the second plate (122).
5. The speed measuring device of claim 4, wherein The bracket (12) further includes reinforcing ribs, which are disposed between the first plate (121) and the second plate (122) and are fixedly connected to the first plate (121) and the second plate (122) respectively.
6. The device of claim 2, wherein, The inner wall of the mounting hole is provided with a plurality of elastic protrusions, which are spaced apart around the circumference of the mounting hole. The speed sensor (13) is inserted into the mounting hole, and the plurality of elastic protrusions abut against the outer peripheral wall of the speed sensor (13).
7. The speed measuring device according to any one of claims 1-6, characterized in that, The distance between the speed sensor (13) and the encoder (11) is L, where 1mm ≤ L ≤ 3mm.
8. The speed measuring device according to any one of claims 1 to 6, characterized in that It also includes a speed acquisition instrument (3), a data processor (4) and a tachometer (5), wherein the speed sensor (13), the speed acquisition instrument (3), the data processor (4) and the tachometer (5) are connected in sequence.
9. Vehicle, characterized in that The device includes the gearbox (100), drive shaft (200), drive axle (300), drive wheel (400), and speed measuring device (500) as described in any one of claims 1-8. One end of the drive shaft (200), the drive axle (300), and the drive wheel (400) are sequentially connected in a transmission manner. The other end of the drive shaft (200) is provided with a first connecting member (201). The output shaft of the gearbox (100) is provided with a second connecting member (101). The code disk (11) is disposed between the first connecting member (201) and the second connecting member (101) and is fixedly connected to the first connecting member (201) and the second connecting member (101) respectively.
10. The vehicle of claim 9, wherein, The first connector (201) is a flange, the second connector (101) is a flange, and the gearbox (100) further includes a locking bolt and a locking nut. The locking bolt passes through the first connector (201), the code disk (11) and the second connector (101) in sequence and is screwed to the locking nut.