Self-locking end socket inserting plate for sleeper mold

By designing a self-locking end plate on the sleeper mold and adopting anti-tilting components and a protective cover structure, the problem of sleeper length not meeting the requirements caused by the end plate jumping was solved, the verticality of the sleeper end and the prevention of grout leakage were achieved, and the cleaning process was simplified.

CN223948134UActive Publication Date: 2026-02-27INNER MONGOLIA CHINA RAILWAY SLEEPER MFG CO LTD
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Patent Information

Application Number
CN202520401105.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-07
Publication Date
2026-02-27
Estimated Expiration
2035-03-07

AI Technical Summary

Technical Problem

The end plates of existing sleeper molds are prone to jumping up when subjected to force, causing the sleeper ends to be non-vertical and resulting in substandard sleeper length.

Method used

A self-locking end plate for railway sleeper molds was designed, employing an anti-tilting component including a rotatable self-locking rod and a limiting unit. The self-locking rod rotates and engages with the end plate by being pressed down by a spring, and the combination of a limiting ring and a locking ring structure ensures the stability of the end plate. A protective cover is also provided on the outer wall of the self-locking rod to prevent bumps and slurry adhesion.

Benefits of technology

It effectively prevents the end plate from jumping and tilting, ensures the sleeper ends are vertical, reduces grout leakage, and simplifies cleaning work.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sleeper production, and discloses a self-locking end socket plugboard for a sleeper mould, which comprises an end socket plugboard and a steel mould, one side of the end socket plugboard is provided with an anti-inclination assembly, the anti-inclination assembly comprises a self-locking rod and a limiting unit, the limiting unit comprises a first limiting ring and a second limiting ring, and the first limiting ring and the second limiting ring are arranged on the end socket plugboard. A rectangular plate is fixedly connected to the bottom end of the self-locking rod, a clamping groove is formed in the steel die, the rectangular plate is movably clamped in the clamping groove, and a spring is arranged between the self-locking rod and the second limiting ring. An anti-inclination assembly is arranged, a self-locking rod movably penetrates through a first limiting ring and a second limiting ring, the self-locking rod can rotate, the bottom end of the self-locking rod is fixedly connected with a rectangular plate, a clamping groove is formed in a steel die, the rectangular plate is movably clamped in the clamping groove, and a spring is arranged between the self-locking rod and the second limiting ring, so that the steel die is clamped in the clamping groove; the spring is pressed downwards to enable the self-locking rod to rotate to be clamped and limited with the end socket insertion plate, and the effect of preventing the end socket insertion plate from jumping and inclining is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a sleeper production technical field especially relates to a self -locking end head plug -in board for sleeper mould. BACKGROUND

[0002] Two end heads of the mould for producing sleepers need to fix the end head plug -in board on the steel mould to prevent the end head of the sleeper from being askew.

[0003] The existing end head plug -in board is a simple steel plate, and the end head plug -in board is not fixed between the mould, so that the end head plug -in board is easy to jump when being stressed, causing the end of the sleeper to be not perpendicular and further causing the length of the sleeper to be unqualified.

[0004] Therefore, the technical personnel in the prior art improve on the basis of the prior art and propose a self -locking end head plug -in board for sleeper mould to solve the problems in the background art. UTILITY MODEL CONTENTS

[0005] The utility model mainly solves the technical problems in the prior art and provides a self -locking end head plug -in board for sleeper mould.

[0006] In order to realize the above -mentioned purpose, the utility model adopts the following technical scheme, a self -locking end head plug -in board for sleeper mould, including end head plug -in board and steel mould, one side of end head plug -in board is provided with anti -tilting component, anti -tilting component includes rotatable self -locking lever and the spacing unit for the position limiting movement of self -locking lever, spacing unit includes first limit ring and second limit ring, self -locking lever is'L'shape, the bottom fixedly connected with rectangular plate of self -locking lever, steel mould is provided with the clamping groove, rectangular plate is hinged in the clamping groove, spring is arranged between self -locking lever and second limit ring, and the self -locking lever is rotated and is clamped with end head plug -in board by spring pressing down and limiting.

[0007] As preferred, one side of the end head plug -in board is fixedly provided with a first lock ring, and the first limit ring and the second limit ring are both welded and fixed on the end head plug -in board.

[0008] As preferred, the first limit ring is located above the second limit ring, and the axis lines of the first limit ring and the second limit ring are on the same straight line.

[0009] As preferred, a second lock ring is welded and fixed on the outer wall surface of the end of the self -locking lever away from the end head plug -in board, the second lock ring is located below the first lock ring after the self -locking lever is rotated and approached to the end head plug -in board, and the second lock ring is aligned with the cavity of the first lock ring.

[0010] As preferred, the self -locking lever is movably penetrated through the first limit ring and the second limit ring, and the outer wall surface of the self -locking lever is provided with a protective cover.

[0011] As preferred, one side of the protective cover is cut and polished into a plane and is attached to the end plug plate, and a connecting block ring is fixedly connected between the cavity top end of the protective cover and the self-locking rod.

[0012] As preferred, the second limiting ring is movably clamped in the cavity of the protective cover, and the spring is located between the second limiting ring and the cavity of the protective cover.

[0013] The self-locking end plug plate for a sleeper mold has the following beneficial effects:

[0014] (1) The prior art is prone to jumping in use, causing the end part of the sleeper to be non-perpendicular and thus causing the length of the sleeper to be unqualified, the prior art is improved, the anti-inclination assembly is arranged, the self-locking rod movably penetrates the first limiting ring and the second limiting ring, the self-locking rod can rotate, the bottom end of the self-locking rod is fixedly connected with a rectangular plate, the steel mold is provided with a clamping groove, the rectangular plate is movably clamped in the clamping groove, the spring is arranged between the self-locking rod and the second limiting ring, the spring is pressed downward to rotate the self-locking rod and clamp and limit the end plug plate, the function of preventing the end plug plate from jumping and tilting is achieved, and the function of preventing concrete leakage in the concrete vibration process is also achieved.

[0015] (2) The first locking ring is fixedly installed on one side of the end plug plate, the first limiting ring and the second limiting ring are both welded and fixed on the end plug plate, the lifting of the self-locking rod is limited and guided, the second locking ring is welded and fixed at one end of the self-locking rod, the second locking ring is located below the first locking ring after the self-locking rod rotates and approaches the end plug plate, the second locking ring is aligned with the cavity of the first locking ring, and the insertion of the bolt rod completes the limitation between the self-locking rod and the end plug plate.

[0016] (3) The protective cover is arranged on the outer wall surface of the self-locking rod, one side of the protective cover is cut and polished into a plane and is attached to the end plug plate, a connecting block ring is fixedly connected between the cavity top end of the protective cover and the self-locking rod, the second limiting ring is movably clamped in the cavity of the protective cover, and the spring is located between the second limiting ring and the cavity of the protective cover, the protective cover protects the spring, avoids bumping and concrete slurry in use, and reduces cleaning work. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic view of the prior art end plug plate;

[0018] Figure 2 It is a schematic view of the self-locking end plug plate for a sleeper mold;

[0019] Figure 3 It is a schematic view of the anti-inclination assembly of the self-locking end plug plate for a sleeper mold;

[0020] Figure 4The utility model relates to a protection cover three-dimensional structure schematic diagram of self -locking end head plug -in board for sleeper mould.

[0021] Legend:

[0022] 10, end head plug-in board, 11, self -locking rod, 12, first lock ring, 13, protection cover, 14, first limit ring, 15, second limit ring, 16, second lock ring, 17, rectangular plate, 18, connecting blocking ring, 19, spring. Specific implementation

[0023] As Figures 1-4 shown: a self -locking end head plug -in board 10 for sleeper mould, including end head plug -in board 10 and steel mould, one side of end head plug -in board 10 is provided with anti -tilting subassembly, and anti -tilting subassembly includes rotatable self -locking rod 11 and is used for the limit unit of self -locking rod 11 moves, and limit unit includes first limit ring 14 and second limit ring 15, and self -locking rod 11 is " L " shape, and the bottom end of self -locking rod 11 is fixedly connected with rectangular plate 17, and steel mould is provided with clamping groove, and rectangular plate 17 is clamped in clamping groove, and spring 19 is arranged between self -locking rod 11 and second limit ring 15, and spring 19 is pressed down and rotates self -locking rod 11 and is clamped with end head plug -in board 10 limit.

[0024] Specifically, the prior art is improved in the present application by setting the anti-tilting assembly, the self-locking rod 11 is movably penetrated through the first and second limit rings 14 and 15, the self-locking rod 11 can be rotated, the bottom end of the self-locking rod 11 is fixedly connected with the rectangular plate 17, the steel mold is provided with a clamping groove, the rectangular plate 17 is movably clamped in the clamping groove, and the spring 19 is arranged between the self-locking rod 11 and the second limit ring 15. The spring 19 is pressed down to rotate the self-locking rod 11 and clamp it with the end head plug-in board 10, which prevents the end head plug-in board 10 from jumping and tilting, and also prevents slurry leakage during concrete vibration.

[0025] The first lock ring 12 is fixedly installed on one side of the end head plug-in board 10, and the first and second limit rings 14 and 15 are both welded and fixed on the end head plug-in board 10. The first limit ring 14 is located above the second limit ring 15, and the axis lines of the first and second limit rings 14 and 15 are on the same straight line. The second lock ring 16 is welded and fixed on the outer wall of the end of the self-locking rod 11 away from the end head plug-in board 10. When the self-locking rod 11 is rotated to approach the end head plug-in board 10, the second lock ring 16 is located below the first lock ring 12, and the second lock ring 16 is aligned with the cavity of the first lock ring 12.

[0026] Specific, by in the end of the plug plate 10 one side fixed installation first lock ring 12, first limit ring 14 and second limit ring 15 are welded and fixed on the end of the plug plate 10, to the self locking rod 11 lifting plays a limiting direction function, by in the self locking rod 11 one end welding fixed second lock ring 16, the self locking rod 11 rotates close to the end of the plug plate 10 after the second lock ring 16 is located below the first lock ring 12, and the second lock ring 16 and the first lock ring 12 cavity alignment, insert the bolt rod complete to the self locking rod 11 and the end of the plug plate 10 between the limit.

[0027] Self locking rod 11 activity through first limit ring 14 and second limit ring 15, the outer wall of self locking rod 11 is provided with protective cover 13. The side of protective cover 13 is cut and polished into a plane and is attached to the end of the plug plate 10, and the cavity top end of protective cover 13 is fixedly connected with self locking rod 11 between the connecting block ring 18. Second limit ring 15 can be movably clamped in the cavity of protective cover 13, and spring 19 is located between second limit ring 15 and the cavity of protective cover 13.

[0028] Specific, by in the self locking rod 11 outer wall surface setting protective cover 13, the side of protective cover 13 is cut and polished into a plane and is attached to the end of the plug plate 10, and the cavity top end of protective cover 13 is fixedly connected with self locking rod 11 between the connecting block ring 18, second limit ring 15 can be movably clamped in the cavity of protective cover 13, and spring 19 is located between second limit ring 15 and the cavity of protective cover 13, protective cover 13 plays a protective role for spring 19, avoids knocking and getting concrete slurry in the process of use, and reduces cleaning work.

[0029] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. A self-locking end plug insert (10) for a tie mold, comprising an end plug insert (10) and a steel mold, characterized in that: The side of the end plug-in board (10) is provided with an anti-inclination assembly, the anti-inclination assembly comprises a rotatable self-locking rod (11) and a limiting unit for limiting the movement of the self-locking rod (11), the limiting unit comprises a first limiting ring (14) and a second limiting ring (15), the self-locking rod (11) is in the shape of "L", the bottom end of the self-locking rod (11) is fixedly connected with a rectangular plate (17), the steel mold is provided with a clamping groove, the rectangular plate (17) is clamped in the clamping groove, a spring (19) is arranged between the self-locking rod (11) and the second limiting ring (15), and the spring (19) is pressed downward to rotate the self-locking rod (11) and be clamped with the end plug-in board (10).

2. The self-locking end insert plate (10) for a tie mold according to claim 1, characterized in that: The side of the end plug-in board (10) is provided with an anti-inclination assembly, the anti-inclination assembly comprises a rotatable self-locking rod (11) and a limiting unit for limiting the movement of the self-locking rod (11), the limiting unit comprises a first limiting ring (14) and a second limiting ring (15), the self-locking rod (11) is in the shape of "L", the bottom end of the self-locking rod (11) is fixedly connected with a rectangular plate (17), the steel mold is provided with a clamping groove, the rectangular plate (17) is clamped in the clamping groove, a spring (19) is arranged between the self-locking rod (11) and the second limiting ring (15), and the spring (19) is pressed downward to rotate the self-locking rod (11) and be clamped with the end plug-in board (10).

3. The self-locking end insert plate (10) for a tie mold according to claim 2, characterized in that: The first limiting ring (14) is located above the second limiting ring (15), and the axis lines of the first limiting ring (14) and the second limiting ring (15) are on the same straight line.

4. The self-locking end insert plate (10) for a tie mold according to claim 1, characterized in that: The outer wall of the end of the self-locking rod (11) away from the end plug-in board (10) is welded with a second locking ring (16), the second locking ring (16) is located below the first locking ring (12) after the self-locking rod (11) is rotated to be close to the end plug-in board (10), and the second locking ring (16) is aligned with the cavity of the first locking ring (12).

5. The self-locking end-head insert plate (10) for a tie mold according to claim 1, characterized in that: The self-locking rod (11) movably penetrates the first limiting ring (14) and the second limiting ring (15), and the outer wall of the self-locking rod (11) is provided with a protective cover (13).

6. The self-locking end insert plate (10) for a tie mold according to claim 5, characterized in that: The side of the protective cover (13) is cut and polished into a plane and is attached to the end plug-in board (10), and a connecting blocking ring (18) is fixedly connected between the inner top end of the cavity of the protective cover (13) and the self-locking rod (11).

7. The self-locking end-head insert plate (10) for a tie-sleeve mold according to claim 1, characterized in that: The second limiting ring (15) is movably clamped in the cavity of the protective cover (13), and the spring (19) is located between the second limiting ring (15) and the cavity of the protective cover (13).