Railway detection trolley driving wheel flexible side pressing mechanism

By designing a flexible side pressure mechanism for the driving wheels of the railway inspection trolley and using the clamping wheel to squeeze the inner side of the track under the action of the spring, the problem of longitudinal offset between the frame and the rail during the trolley's travel is solved, stability and guidance functions are achieved, and the effect of adapting to different track gauges is achieved.

CN223420719UActive Publication Date: 2025-10-10JINAN HUASHENG INFORMATION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422891268.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2025-10-10
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

Railway inspection trolleys are prone to longitudinal deviation or derailment during driving due to the non-perpendicularity between the frame and the longitudinal direction of the rails. Existing technologies are difficult to provide effective guidance and stability guarantees.

Method used

A flexible side pressure mechanism for the driving wheel of a railway inspection trolley is designed. The clamping wheel squeezes the inner side of the track under the action of a spring, providing a guiding function and adapting to different track gauges to ensure that the frame is perpendicular to the longitudinal direction of the rail.

Benefits of technology

It realizes the stable running of the detection trolley on the track, prevents derailment, ensures that the frame is vertical to the longitudinal direction of the rail, and adapts to different track gauges.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of railway maintenance, in particular to a railway detection trolley driving wheel flexible side pressing mechanism which comprises a driving wheel support used for installing a driving wheel; the clamping wheel fixing plate is in an inverted L shape, the upper end face of the clamping wheel fixing plate is fixed to the upper end face of the driving wheel support, and the side face of the clamping wheel fixing plate is connected with the side face of the driving wheel support through a guide column; the clamping wheel mounting plate is arranged on the guide column in a sleeving manner; the spring is arranged on the guide column between the clamping wheel mounting plate and the clamping wheel fixing plate in a sleeving manner; and the clamping wheel is horizontally arranged and is mounted on the clamping wheel mounting plate through a clamping wheel bracket. The clamping wheels are extruded on the inner side faces of the guide rails under the action of the springs, on one hand, the guide function is provided for the trolley, on the other hand, the trolley can adapt to different track gauges, the running stability of the trolley is guaranteed, the phenomenon that the driving wheels derail is avoided, and the trolley is more stable, more reliable and high in integration degree.
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Description

TECHNICAL FIELD

[0001] The utility model relates to railway maintenance technical field, concretely relates to a railway detection trolley drive wheel flexible side pressure mechanism. BACKGROUND

[0002] The railway detection trolley is the special equipment for railway track detection and maintenance, and it carries out accurate measurement to each parameter of railway track through high-tech sensor and data processing system to ensure the running safety of railway and the good state of track. The frame and the steel rail longitudinal direction should keep the vertical state during the driving of the detection trolley, otherwise the deviation and even the derailment problem are caused. Therefore, it is necessary to design a railway detection trolley drive wheel flexible side pressure mechanism to act on the inner side of track and ensure the frame and the steel rail longitudinal direction keep the vertical state. UTILITY MODEL CONTENTS

[0003] The utility model aims at overcoming the shortcomings of prior art, and provides a railway detection trolley drive wheel flexible side pressure mechanism which acts on the inner side of track, can provide the guide function for the trolley, can also adapt to different track spacing, ensures the frame and the steel rail longitudinal direction keep the vertical state, and guarantees the stability of the trolley driving.

[0004] The utility model solves the technical scheme adopted for the technical problem:

[0005] A railway detection trolley drive wheel flexible side pressure mechanism, comprising:

[0006] The drive wheel support is used for installing the drive wheel;

[0007] The clamping wheel fixing plate is inverted L-shaped, the upper end surface of the clamping wheel fixing plate is fixed on the upper end surface of the drive wheel support, and the side surface is connected with the side surface of the drive wheel support through the guide column;

[0008] The clamping wheel mounting plate is sleeved on the guide column;

[0009] The spring is sleeved on the guide column between the clamping wheel mounting plate and the clamping wheel fixing plate;

[0010] The clamping wheel is horizontally arranged and is installed on the clamping wheel mounting plate through the clamping wheel support, and is pressed on the inner side of the guide rail under the action of the spring, on the one hand, provides the guide function for the trolley, and on the other hand, can adapt to different track spacing and guarantee the stability of the trolley driving.

[0011] Further, the clamping wheel support is installed on the clamping wheel mounting plate through the bolt, and is convenient to disassemble and assemble.

[0012] Further, each drive wheel is provided with two clamping wheels.

[0013] Furthermore, more than two guide pillars are provided to increase the stability of the clamping wheel mounting plate.

[0014] Furthermore, three guide pillars are provided.

[0015] Furthermore, a motor is mounted on the driving wheel bracket, and an output end of the motor is connected to the driving wheel for driving the driving wheel to travel on the railway track.

[0016] Furthermore, the clamping wheel fixing plate is fixed to the driving wheel bracket by bolts, which is convenient for disassembly and assembly.

[0017] Furthermore, the driving wheel bracket is fixed on the frame of the detection vehicle.

[0018] Technical effects of this utility model:

[0019] Compared to the prior art, the present invention incorporates a clamping wheel on one side of the drive wheel. Driven by a spring, the clamping wheel is constantly pressed against the inner side of the railroad track, preventing the drive wheel from derailing and providing greater stability and reliability. The clamping wheel mounting plate is mounted on the drive wheel bracket, providing a high level of integration. Guide posts are installed on the clamping wheel mounting plate and the drive wheel bracket, not only stabilizing the connection between the clamping wheel mounting plate and the drive wheel bracket but also providing a means for mounting a spring that compresses the clamping wheel mounting plate, thereby achieving the desired effect of the clamping wheel squeezing the inner side of the track. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the structure of the flexible side pressure mechanism of the driving wheel of the railway inspection trolley of the present utility model;

[0021] Figure 2 This is a schematic diagram of the installation structure of the flexible side pressure mechanism of the driving wheel of the railway inspection trolley of the utility model;

[0022] Figure 3 The figure is a schematic diagram of the operating structure of the flexible side pressure mechanism of the driving wheel of the railway inspection trolley of the present utility model.

[0023] In the figure, 1. driving wheel bracket; 2. driving wheel; 3. clamping wheel fixing plate; 4. guide column; 5. clamping wheel mounting plate; 6. spring; 7. clamping wheel; 8. clamping wheel bracket; 9. motor; 10. frame; 11. crossbeam. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the accompanying drawings.

[0025] Example 1:

[0026] like Figure 1As shown, this embodiment involves a flexible side pressure mechanism of the driving wheel of a railway inspection trolley, including a driving wheel bracket 1, a driving wheel 2, a clamping wheel fixing plate 3, a guide column 4, a clamping wheel mounting plate 5, a spring 6, a clamping wheel 7, a clamping wheel bracket 8 and a motor 9.

[0027] The driving wheel bracket 1 is provided with a driving wheel 2 and a motor 9 . The output end of the motor 9 is connected to the driving wheel 2 to drive the driving wheel 2 to travel on the railway track.

[0028] The clamping wheel fixing plate 3 is in an inverted L-shape. The upper end surface of the clamping wheel fixing plate 3 is fixed to the upper end surface of the driving wheel bracket 1 by bolts, and the side surface is connected to the side surface of the driving wheel bracket 1 through a guide column 4.

[0029] The clamping wheel mounting plate 5 is sleeved on the guide pillars 4 . Three guide pillars 4 are provided to improve the stability of the clamping wheel mounting plate 5 .

[0030] The spring 6 is sleeved on the guide post 4 between the clamping wheel mounting plate 5 and the clamping wheel fixing plate 3 .

[0031] Two clamping wheels 7 are provided, both of which are arranged horizontally. The clamping wheels 7 are mounted on the clamping wheel mounting plate 5 through the clamping wheel bracket 8 by bolts, and are squeezed on the inner side of the guide rail under the action of the spring 6.

[0032] like Figure 2 and 3 As shown, the driving wheel bracket 1 of the present invention is fixed to the frame 10 of the inspection vehicle. The inspection vehicle includes two frames 10, which are connected by a crossbeam 11. Two sets of the driving wheel flexible side pressure mechanisms are installed on each set of frames 10.

[0033] When the utility model is in use, the driving wheel flexible side pressure mechanism is installed on the frames 10 at both ends of the detection trolley, and the motor 9 is started to rotate the driving wheel 2 to provide power for the detection trolley to move on the railway track. During the walking process, the clamping wheel 7 is always pressed against the inner side of the track under the action of the spring 6, which not only provides guidance for the detection trolley, but also ensures the stability of the trolley on the track and the ability to adapt to different track gauges.

[0034] The above-mentioned specific implementation methods are only specific cases of the present utility model. The patent protection scope of the present utility model includes but is not limited to the above-mentioned specific implementation methods. Any appropriate changes or modifications made to them by ordinary technicians in the relevant technical field that comply with the claims of the present utility model shall fall within the patent protection scope of the present utility model.

Claims

1. A flexible side pressure mechanism for the driving wheel of a railway inspection trolley, characterized in that: include: A driving wheel bracket (1) for mounting a driving wheel (2); The clamping wheel fixing plate (3) is in an inverted L-shape, the upper end surface of the clamping wheel fixing plate (3) is fixed to the upper end surface of the driving wheel bracket (1), and the side surface is connected to the side surface of the driving wheel bracket (1) through the guide column (4); A clamping wheel mounting plate (5) is sleeved on the guide post (4); A spring (6) is sleeved on the guide post (4) between the clamping wheel mounting plate (5) and the clamping wheel fixing plate (3); The clamping wheel (7) is arranged horizontally and is mounted on the clamping wheel mounting plate (5) via a clamping wheel bracket (8).

2. The railway inspection trolley driving wheel flexible side pressure mechanism according to claim 1 is characterized in that: The clamping wheel bracket (8) is mounted on the clamping wheel mounting plate (5) via bolts.

3. The railway inspection trolley driving wheel flexible side pressure mechanism according to claim 1 is characterized in that: Each of the driving wheels (2) is equipped with two clamping wheels (7).

4. The railway inspection trolley driving wheel flexible side pressure mechanism according to claim 1 is characterized in that: More than two guide pillars (4) are provided.

5. The railway inspection trolley driving wheel flexible side pressure mechanism according to claim 4 is characterized in that: Three guide pillars (4) are provided.

6. The railway inspection trolley driving wheel flexible side pressure mechanism according to claim 1, characterized in that: A motor (9) is also mounted on the driving wheel bracket (1), and the output end of the motor (9) is connected to the driving wheel (2).

7. The railway inspection trolley driving wheel flexible side pressure mechanism according to claim 1 is characterized in that: The clamping wheel fixing plate (3) is fixed to the driving wheel bracket (1) by means of bolts.

8. The railway inspection trolley driving wheel flexible side pressure mechanism according to any one of claims 1 to 7, characterized in that: The driving wheel bracket (1) is fixed on the frame (10) of the detection vehicle.