DC32 tamping unit anti-falling protection bracket

By using a protective bracket made of thick-walled steel pipes to prevent detachment, the problem of easy detachment of the tamping unit was solved, thereby improving the safety and performance of the tamping machine and reducing maintenance costs.

CN224351033UActive Publication Date: 2026-06-12尚园园

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
尚园园
Filing Date
2025-05-15
Publication Date
2026-06-12

AI Technical Summary

Technical Problem

The tamping unit of the DC32 tamping machine is prone to falling off during operation. The existing safety chain anchoring and binding of square timber to prevent detachment have insufficient reliability, leading to equipment damage and safety hazards.

Method used

The semi-cylindrical component, made of thick-walled steel pipe, is connected by metal hinges, secured with perforated locking plates, and fixed with rubber pads and bolts to form an anti-detachment protection bracket for the tamping unit of the DC32 tamping machine, ensuring stable support for the tamping unit.

Benefits of technology

It improves the safety of tamping machine operation and overall equipment performance, reduces equipment maintenance costs, increases work efficiency, and eliminates the risk of detachment caused by locking pin failure.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224351033U_ABST
    Figure CN224351033U_ABST
Patent Text Reader

Abstract

The utility model discloses a DC32 tamping vehicle tamping unit anti -drop protection bracket, including two half cylindrical components that are cut by thick wall steel pipe, are connected through metal hinge, one side is equipped with the lock piece with the hole for bolt fastening, and rubber pad is additionally installed in the inside. The protection bracket is installed on the tamping unit guide column, and the tamping unit is lifted from the lower part, which prevents it from falling off when the vehicle is running. The utility model has the advantages of simple structure, convenient installation, effectively improving tamping vehicle operation safety, reducing equipment maintenance cost, improving work efficiency and emergency disposal timeliness.
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Description

Technical Field

[0001] This utility model relates to the field of safety protection technology for railway large track maintenance machinery tamping machine equipment, specifically to a DC32 tamping machine tamping unit anti-detachment protection bracket. Background Technology

[0002] In railway line maintenance operations, the DC32 tamping machine is a key piece of equipment, widely used in railway line maintenance, speed-up line renovation, and new line construction projects. However, during long-distance transport of rolling stock, the safety issue of preventing the tamping unit from detaching is extremely serious.

[0003] The DC32 tamping car experiences significant shaking during operation. Although the original factory-designed locking pins of the tamping unit have a certain degree of reliability, serious incidents of locking pin breakage and tamping unit detachment have still occurred in actual use. Once the tamping unit detaches, it can not only cause the vehicle to overturn, damaging the tamping car itself and endangering the lives of train personnel, but it can also damage track equipment such as track circuits and signaling devices, severely affecting normal train operation and causing significant casualties and huge economic losses.

[0004] The existing methods of preventing detachment, namely using safety chains and binding timber, have significant drawbacks. Safety chains are highly susceptible to breakage under the immense impact of a failed locking pin in the tamping unit, rendering them ineffective. Binding timber is only suitable for short-distance transport or self-propelled operation; during long-distance transport with significant vehicle vibration, the timber is prone to detaching and falling onto the tracks. Furthermore, the binding wire can easily scratch the guide posts, damaging the oil seals. Therefore, developing a reliable detachment prevention device to replace the existing solutions is urgently needed. Summary of the Invention

[0005] The purpose of this utility model is to provide a protective bracket for the tamping unit of a DC32 tamping machine to prevent it from falling off, thereby solving the problem of the tamping unit easily falling off during vehicle operation, improving the safety of the tamping machine, reducing equipment maintenance costs, and increasing work efficiency.

[0006] The technical solution adopted in this utility model is as follows: a DC32 tamping machine tamping unit anti-detachment protective bracket, comprising two semi-cylindrical components, a metal hinge, a perforated locking plate, bolts, cotter pins, and rubber pads. The two semi-cylindrical components are made by cutting thick-walled steel pipes of specific specifications and are connected by metal hinges to open and close relative to each other. The perforated locking plate is used to engage with the bolts for fastening. Cotter pins are provided on the bolts to prevent loosening. Rubber pads are installed on the inner side to protect the guide column.

[0007] The technical feature of this utility model is that the welding quality between the metal hinge and the semi-cylindrical component is reliable, with no false welds or missing welds.

[0008] The perforated lock plate is made of high-strength, high-toughness metal materials, such as high-manganese steel.

[0009] The rubber pads have specific dimensions and are evenly fixed by flat-head bolts to maintain a suitable distance between the semi-cylindrical components and the guide columns.

[0010] The beneficial effects of this utility model are as follows: Compared with the traditional safety chain anchoring and wire binding of square timber to prevent detachment, this protective bracket is made of thick-walled steel pipe, which has higher strength and toughness. The installation process is simple and efficient. Under conditions of high vibration and impact, such as high speed passing through turnouts, the tamping unit can be reliably supported, completely eliminating the safety hazard of the tamping unit falling off due to the failure of the locking pin, and improving the overall performance and operational safety of the equipment. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the anti-detachment protective bracket of the tamping unit of the DC32 tamping machine of this utility model.

[0012] Explanation of reference numerals in the attached drawings: 1-metal hinge, 2-rubber pad, 3-semi-cylindrical component, 4-locking plate with hole. Detailed Implementation

[0013] The present invention will now be described in detail with reference to specific embodiments. Example

[0014] Thick-walled steel pipes with a diameter of 90mm and a length of 740mm are selected and cut in the middle along the center line of the steel pipe so that the two halves can be fastened to the guide column. The upper end rests on the bottom of the tamping unit and the lower end rests on the upper part of the tamping frame to achieve the anti-detachment function.

[0015] Select a thick-walled steel pipe with a diameter of 90mm and cut it along the central axis to obtain two symmetrical semi-cylindrical steel pipes. Weld one end of a metal hinge to one edge of the two steel pipes, and weld a perforated locking plate to the other edge. Ensure the locking plate is accurately positioned and the connection is secure during welding. Select appropriate bolts and nuts according to the locking plate thickness and the steel pipe structure, pass the bolts through the locking plate holes, and tighten them with nuts. Drill a safety hole in the bolt head, insert a cotter pin, and secure it to prevent the bolt from loosening and falling off.

[0016] Prepare four rubber pads, each 130mm long, 60mm wide, and 5mm thick, and fix them evenly to the inside of the two steel pipes with flat-head bolts, ensuring a 5mm gap between the steel pipes and the guide column.

[0017] Installation of the anti-detachment device: Align the opening of the finished anti-detachment protective bracket with the guide column, and slowly slide it onto the guide column to ensure a tight fit. Close the two steel pipes with the metal hinge, align the perforated locking piece, tighten with bolts, and finally insert the cotter pin into the bolt head and bend it to approximately 90 degrees.

[0018] This equipment has been widely used in actual operations. Through actual testing, the DC32 tamping machine tamping unit anti-detachment protection bracket manufactured in this embodiment can effectively support the tamping unit under extreme conditions such as the breakage of the tamping unit fixing pin, achieving the expected effects of safety protection, improved efficiency, reduced costs, and enhanced emergency response capabilities.

Claims

1. A protective bracket for preventing detachment of the tamping unit of a DC32 tamping machine, characterized in that, It includes a metal hinge (1), a rubber pad (2), a semi-cylindrical component (3), and a perforated locking plate (4); the rubber pad (2) is installed on the inside of the two semi-cylindrical components (3); the two semi-cylindrical components (3) are made by cutting steel pipes along the center line and are connected by the metal hinge (1) so that they can open and close relative to each other; the perforated locking plate (4) is welded to the two semi-cylindrical components (3) and fastened by bolts and nuts.

2. The anti-detachment protective bracket for the tamping unit of the DC32 tamping machine according to claim 1, characterized in that, The metal hinge (1) is welded and fixed to the semi-cylindrical component (3).

3. The anti-detachment protective bracket for the tamping unit of the DC32 tamping machine according to claim 1, characterized in that, The perforated locking plate (4) is made of metal.

4. The anti-detachment protective bracket for the tamping unit of the DC32 tamping machine according to claim 3, characterized in that, The perforated lock plate (4) is made of high manganese steel.

5. The anti-detachment protective bracket for the tamping unit of the DC32 tamping machine according to claim 1, characterized in that, The rubber pad (2) is 130mm long, 60mm wide and 5mm thick. It is evenly fixed to the inside of the semi-cylindrical component (3) by flat-head bolts, so that the semi-cylindrical component (3) and the guide column of the tamping unit maintain a 5mm gap.

6. The anti-detachment protective bracket for the tamping unit of the DC32 tamping machine according to claim 1, characterized in that, A thick-walled steel pipe with a diameter of 90mm was selected and cut along the central axis to obtain two symmetrical semi-cylindrical steel pipes.