Pillow stone stamping device for railway

By using a hydraulically driven clamping block that engages with a wedge-shaped groove, the problem of the pad shifting during the stamping process is solved, resulting in a uniform distribution of stamped holes and stable product quality, thus improving production efficiency.

CN223456197UActive Publication Date: 2025-10-21NANJING LIYUAN RAIL TRAFFIC EQUIP CO LTD
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Patent Information

Application Number
CN202422763147.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-13
Publication Date
2025-10-21
Estimated Expiration
2034-11-13

AI Technical Summary

Technical Problem

In the existing railway sleeper manufacturing process, the sleepers are prone to shifting during the stamping process, resulting in uneven distribution of stamping holes. Furthermore, manual adjustment is difficult to ensure consistency, which affects product quality and production efficiency.

Method used

The clamping block driven by the hydraulic rod is slidably connected to the limit block through the wedge groove, so as to realize the synchronous movement and accurate positioning of the sleeper stone, ensuring that the punch of the press corresponds to the stamping part of the sleeper stone and preventing deviation.

Benefits of technology

This achieves positional stability of the pad during the stamping process, ensures uniform distribution of stamping holes, and improves product quality consistency and production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a railway sleeper stone stamping device which comprises a stamping base plate, installation pieces are symmetrically arranged at the two ends of the stamping base plate, a hydraulic rod is arranged in each installation piece, limiting blocks are fixed to the opposite side walls between the installation pieces, and two clamping blocks are symmetrically arranged on the two sides of each limiting block. The clamping blocks are connected with the ends of the hydraulic rods through curved bars, and the positions, close to the middles, of the curved bars are pivoted to the outer side walls of the installation pieces. The hydraulic rods drive the clamping blocks to synchronously move towards the end of the pillow stone through the bent rods until the clamping blocks abut against the pillow stone, it is ensured that the pillow stone cannot deviate in the punching process, when the bent rods rotate along with stretching and retracting of the hydraulic rods, the bent rods on the two sides are pulled by the connecting rods, it is ensured that the bent rods rotate synchronously, and therefore the clamping blocks stretch and retract synchronously, and the punching efficiency is improved. Therefore, the position of the pillow stone is adjusted, a punch of a punching machine accurately corresponds to the punching portion of the pillow stone, punching holes are evenly distributed, and the overall performance of the pillow stone is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a sleeper stamping technical field, concretely is a railway sleeper stamping device. BACKGROUND

[0002] In modern railway construction, sleepers (commonly known as sleepers) are one of the key components in the track structure, used to support the steel rails and distribute the huge load generated when the train passes. Currently, the manufacturing process of many railway sleepers adopts the traditional stamping forming method, in which the placement of sleepers is usually carried out by manual or semi-automatic method. Although this method is low in cost and easy to implement, it has obvious limitations. The sleepers are prone to position deviation during placement and stamping, which may result in uneven distribution of stamping holes, thereby affecting the overall performance of the sleepers. Secondly, manual operation cannot guarantee consistency every time, increasing the risk of product quality fluctuations. Manual adjustment of the sleeper position not only consumes time and effort, but also may cause positioning errors due to human factors, further reducing production efficiency and quality control level. SUMMARY

[0003] The utility model aims at providing a railway sleeper stamping device, which accurately adjusts the position of the sleeper through the synchronous movement of the clamping blocks, makes the punch of the stamping machine correspond to the sleeper stamping part, and clamps the sleeper to prevent it from deviating during stamping, solving the problems in the prior art.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] A railway sleeper stamping device, comprising a stamping base plate, two ends of the stamping base plate are symmetrically provided with mounting pieces, a hydraulic rod is arranged inside each mounting piece, a limiting block is fixed on the opposite side walls between the mounting pieces, two clamping blocks are symmetrically arranged on both sides of the limiting block, the clamping blocks and the ends of the hydraulic rods are respectively connected through curved rods, and the curved rods are pivoted to the outer side walls of the mounting pieces at positions close to the middle parts.

[0006] Preferably, wedge-shaped grooves are arranged on both sides of the limiting block, the shapes of the wedge-shaped grooves and the clamping blocks are matched, and the clamping blocks are slidably connected with the limiting block through the wedge-shaped grooves.

[0007] Preferably, the hydraulic rods are arranged horizontally, and the extension direction of the hydraulic rods is parallel to the movement track of the clamping blocks.

[0008] Preferably, the two ends of the curved rods are respectively pivoted to the ends of the clamping blocks and the hydraulic rods.

[0009] Preferably, a limiting sliding rod is arranged at the central position inside the mounting piece, and a sliding cylinder is sleeved on the limiting sliding rod.

[0010] Preferably, the slide cylinder is connected with the curved rods on both sides thereof through a connecting rod respectively, one end of the connecting rod is fixed to the middle part of the curved rod, and the other end of the connecting rod is pivoted to the outer wall of the slide cylinder.

[0011] Compared with the prior art, the utility model has the beneficial effects as follows:

[0012] The pillow stone is placed on the stamping cushion plate, and the two ends of the pillow stone are located between the clamping blocks respectively, the two hydraulic rods are started to make the pistons extend, the hydraulic rods drive the clamping blocks to move to the end of the pillow stone through the curved rods, until the pillow stone is pressed, and the pillow stone will not be deviated in the stamping process, when the curved rods rotate with the extension and retraction of the hydraulic rods, the two curved rods are guaranteed to rotate synchronously under the traction of the connecting rods, so that the clamping blocks are retracted synchronously, the position of the pillow stone is adjusted, the punch of the stamping machine and the stamping part of the pillow stone are accurately corresponded, the stamping holes are uniformly distributed, and the overall performance of the pillow stone is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the first state diagram of the overall structure of the utility model;

[0014] Figure 2 It is the second state diagram of the overall structure of the utility model;

[0015] Figure 3 It is the overall structure of the utility model overhead view section;

[0016] Figure 4 It is the clamping block side view of the utility model;

[0017] In the drawing: 1, stamping cushion plate; 2, mounting; 3, hydraulic rod; 4, curved rod; 5, limit block; 6, clamping block; 7, wedge-shaped groove; 8, limit slide rod; 9, slide cylinder; 10, connecting rod. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] In order to solve the problems that the pillow stone is easy to deviate in the stamping process and the stamping holes are unevenly distributed in the prior art, the following technical scheme is given, please refer to Figures 1-4 ;

[0020] The utility model provides a railway with pillow stone stamping device, including the stamping base plate 1, the both ends of stamping base plate 1 are symmetrically equipped with mounting piece 2, the inside of each mounting piece 2 is equipped with hydraulic pole 3, and hydraulic pole 3 is horizontally arranged, and the extension direction of hydraulic pole 3 is parallel with the movement track of clamping block 6, and the opposite side wall between mounting piece 2 is fixed with the limiting block 5, and the both sides of limiting block 5 are symmetrically equipped with two clamping blocks 6, and clamping block 6 is connected with the end portion of hydraulic pole 3 respectively through crank lever 4, and the both ends of crank lever 4 are pivoted with clamping block 6 and the end portion of hydraulic pole 3 respectively.

[0021] The both sides of limiting block 5 are equipped with wedge slot 7 respectively, and wedge slot 7 is matched with the shape of clamping block 6, and clamping block 6 is slidably connected with limiting block 5 through wedge slot 7, and the setting of wedge slot 7 makes clamping block 6 move towards or away along the fixed movement track, and the end portion of pillow stone is clamped or loosened, and the wedge design makes wedge slot 7 stably limit clamping block 6, and clamping block 6 is not easy to fall off from wedge slot 7.

[0022] The inside of mounting piece 2 is equipped with the limiting slide rod 8 in the middle position, the sleeve of limiting slide rod 8 is equipped with slide cylinder 9, and slide cylinder 9 is connected with the both sides of crank lever 4 through a connecting rod 10 respectively, one end of connecting rod 10 is fixed in the middle position of crank lever 4, the other end of connecting rod 10 is pivoted on the outer wall of slide cylinder 9, and the size of two connecting rods 10 is same, when crank lever 4 rotates with the expansion and contraction of hydraulic pole 3, is drawn by connecting rod 10, guarantees that the both sides of crank lever 4 rotate synchronously, so that clamping block 6 expands and contracts synchronously, avoids the position of pillow stone from being deflected in clamping and affects the stamping effect.

[0023] Working principle: the pillow stone is placed on the stamping base plate 1, and the both ends of pillow stone are located between clamping block 6 respectively, starts two hydraulic poles 3 and makes the piston extend, and hydraulic pole 3 drives clamping block 6 to move towards the end portion of pillow stone synchronously through crank lever 4 until pillow stone is pressed, when crank lever 4 rotates with the expansion and contraction of hydraulic pole 3, is drawn by connecting rod 10, guarantees that the both sides of crank lever 4 rotate synchronously, so that clamping block 6 expands and contracts synchronously, so as to accurately limit pillow stone.

[0024] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or action from another entity or action, without necessarily requiring or implying any such actual relationship or order between these entities or actions. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or equipment.

[0025] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application.

Claims

1. A railway tie stamping device comprising a stamping bed (1), characterized in that, The punch base plate (1) is symmetrically provided with mounting pieces (2) at both ends, each mounting piece (2) is internally provided with a hydraulic rod (3), the opposite side walls between the mounting pieces (2) are fixed with limiting blocks (5), the two sides of the limiting blocks (5) are symmetrically provided with two clamping blocks (6), the clamping blocks (6) and the ends of the hydraulic rods (3) are respectively connected through curved rods (4), and the curved rods (4) are pivotally connected to the outer side walls of the mounting pieces (2) near the middle positions.

2. A railway tie punching device according to claim 1, characterized in that, The two sides of the limiting blocks (5) are respectively provided with wedge-shaped grooves (7), the wedge-shaped grooves (7) are matched with the shapes of the clamping blocks (6), and the clamping blocks (6) are slidably connected with the limiting blocks (5) through the wedge-shaped grooves (7).

3. The railroad tie stamping device of claim 2, wherein: The hydraulic rod (3) is horizontally arranged, and the extension direction of the hydraulic rod (3) is parallel to the movement track of the clamping block (6).

4. The railroad tie stamping device of claim 3, wherein, The two ends of the curved rod (4) are respectively pivotally connected to the clamping block (6) and the end of the hydraulic rod (3).

5. The railroad tie stamping device of claim 4, wherein: The mounting piece (2) is internally provided with a limiting sliding rod (8) at the central position, and the limiting sliding rod (8) is sleeved with a sliding cylinder (9).

6. A railway tie stamping device according to claim 5, wherein The sliding cylinder (9) and the curved rods (4) on the two sides thereof are respectively connected through a connecting rod (10), one end of the connecting rod (10) is fixed to the middle position of the curved rod (4), and the other end of the connecting rod (10) is pivotally connected to the outer wall of the sliding cylinder (9).