A device for preventing foreign objects from blocking the notch of a turnout indicator rod

Abstract

This utility model belongs to the technical field of turnout indicator poles, specifically relating to a device for preventing foreign object obstruction in the notch of a turnout indicator pole. It includes a turnout indicator pole body and a notch groove formed on the turnout indicator pole body. An equipment groove is also formed inside the turnout indicator pole body, located inside the notch groove. An electric lifting mechanism is fixedly connected inside the equipment groove, and a blocking block is fixedly connected to the electric lifting mechanism. The blocking block is slidably connected inside the combined groove of the notch groove and the equipment groove. An inclined surface is provided on the upper side of the blocking block. The electric lifting mechanism includes an electromagnet and a return spring fixedly connected inside the equipment groove. One end of the return spring is fixedly connected to the blocking block, and the blocking block is provided with a magnetic part. This utility model can reduce foreign objects inside the notch groove, thereby reducing misjudgments caused by foreign objects preventing the inspection block from properly entering the notch groove.

Description

Technical Field

[0001] This utility model belongs to the technical field of turnout indicator rods, specifically relating to a device for preventing foreign objects from blocking the notch of a turnout indicator rod. Background Technology

[0002] The notch on the turnout indicator rod is a core structure ensuring the accuracy of railway turnout position detection. Working in conjunction with the switch machine inspection block, it converts the actual turnout position into an electrical signal transmitted to the dispatching system, directly impacting train safety. However, because turnouts are exposed to the complex outdoor environment for extended periods, the notch is susceptible to the intrusion of foreign objects—such as stones and rust from along the railway line—which may accidentally fall into the notch.

[0003] While existing technologies reduce the intrusion of foreign objects through regular manual cleaning and the installation of simple protective covers, they have significant limitations: the protective covers are easily damaged by vibration and wind and rain, leading to protective failure; manual cleaning requires frequent interruptions of train operation, resulting in high maintenance costs and low efficiency; if foreign objects are not removed in time, the inspection block may not be able to fit properly into the gap, causing the signal system to misjudge the position of the turnout (such as misjudging it as "not in place" or "four-way open"), which may lead to train stoppage, derailment, or collision accidents in severe cases. Utility Model Content

[0004] The purpose of this invention is to provide a device to prevent foreign objects from blocking the notch of a turnout indicator rod, which can reduce debris inside the notch groove, thereby reducing misjudgments caused by debris preventing the inspection block from entering the notch groove properly.

[0005] The specific technical solution adopted by this utility model is as follows:

[0006] A device for preventing foreign object obstruction in a turnout indicator rod notch includes a turnout indicator rod body and a notch groove formed on the turnout indicator rod body. The turnout indicator rod body also has an equipment groove located inside the notch groove. An electric lifting mechanism is fixedly connected inside the equipment groove. A blocking block is fixedly connected to the electric lifting mechanism. The blocking block is slidably connected inside the combined groove of the notch groove and the equipment groove. An inclined surface is provided on the upper side of the blocking block.

[0007] Furthermore, the electric lifting mechanism includes an electromagnet and a return spring fixedly connected inside the equipment slot. One end of the return spring is fixedly connected to a block, and the block is provided with a magnetic part.

[0008] Furthermore, the inclined surface includes at least one first inclined surface disposed on the upper side of the block, and there are two first inclined surfaces, which are symmetrically arranged about the center line of the block. Two second inclined surfaces are also disposed on the upper side of the block.

[0009] The technical effects achieved by this utility model are as follows:

[0010] This utility model discloses a foreign object blocking device for turnout indicator rod notches. By setting up an electric lifting mechanism, the blocking block is moved to the opening of the notch groove to seal the opening of the notch groove. This reduces the amount of debris entering the notch groove and reduces the phenomenon that the inspection block cannot enter the notch groove normally due to the presence of foreign objects. This reduces misjudgments caused by the inspection block not being able to enter the notch groove normally. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of the plug block of this utility model when sealing the opening of the notch groove;

[0012] Figure 2 This is a cross-sectional structural diagram of the plug block of this utility model when the notch slot opening is not sealed;

[0013] Figure 3 This is a side view of the cross-sectional structure of the main body of the turnout indicator rod of this utility model;

[0014] Figure 4 This is a utility model Figure 2 Schematic diagram of the cross-sectional structure at point A in the middle;

[0015] Figure 5 This is a utility model Figure 2 Side view of the cross-section structure at point A in the middle.

[0016] The attached diagram lists the components represented by each number as follows:

[0017] 1. Turnout indicator pole body; 2. Notch groove; 3. Equipment groove; 4. Block; 5. First inclined plane; 6. Second inclined plane; 7. Electromagnet; 8. Magnet; 9. Return spring; 10. Sealing ring mounting groove; 11. Rubber sealing ring; 12. Air pump; 13. Air guide pipe. Detailed Implementation

[0018] To make the objectives and advantages of this utility model clearer, the following detailed description is provided in conjunction with embodiments. It should be understood that the following text is merely used to describe one or more specific embodiments of this utility model and does not strictly limit the scope of protection specifically claimed by this utility model.

[0019] like Figures 1-5As shown, a foreign object blocking device for a turnout indicator pole includes a turnout indicator pole body 1 and a notch 2 formed on the turnout indicator pole body 1. When the notch 2 is formed on the upper side of the turnout indicator pole body 1, foreign objects such as stones and rust are easy to fall into the notch 2. In order to reduce the phenomenon that the inspection block cannot enter the notch 2 normally due to the presence of foreign objects in the notch 2, and thus reduce the misjudgment caused by the inspection block not being able to enter the notch 2 normally, an equipment groove 3 is also formed inside the turnout indicator pole body 1, located inside the notch 2. The notch 2 and the equipment groove 3 have the same cross-sectional dimensions.

[0020] An electric lifting mechanism is fixedly connected inside the equipment slot 3. A blocking block 4 is fixedly connected to the electric lifting mechanism. The blocking block 4 is slidably connected inside the combined slot of the notch slot 2 and the equipment slot 3. The blocking block 4 and the combined slot of the notch slot 2 and the equipment slot 3 are in clearance fit. When the inspection block is moved out of the notch slot 2, the blocking block 4 is moved to the opening of the notch slot 2 by the electric lifting mechanism to block the opening of the notch slot 2, thereby reducing the amount of debris entering the notch slot 2.

[0021] Meanwhile, before each inspection block enters the notch 2, the electric lifting mechanism is activated to move the blocking block 4 back and forth once inside the notch 2, so that the blocking block 4 can push out any debris that accidentally enters the notch 2.

[0022] Among them, such as Figure 1 and Figures 4-5 As shown, the electric lifting mechanism includes an electromagnet 7 and a return spring 9 fixedly connected inside the equipment slot 3. One end of the return spring 9 is fixedly connected to the block 4. The block 4 is provided with a magnetic part, which can be a magnet 8 or an iron block fixedly connected to the block 4. In normal operation, the return spring 9 lifts the block 4 to the opening of the notch slot 2 and seals the opening of the notch slot 2. Before each inspection block enters the notch slot 2, the electromagnet 7 is activated to magnetically attract the magnetic part of the block 4, allowing the block 4 to enter the equipment slot 3. At the same time, the moving block 4 compresses and stores force on the return spring 9. When the electromagnet 7 is de-energized, the return spring 9 will quickly push the block 4 back to its original position. When the block 4 moves, it will move the debris on the block 4 along with it. After the block 4 has moved, the debris pushed by the block 4 will continue to move out of the notch slot 2 due to inertia.

[0023] The upper side of the block 4 is provided with an inclined surface. During the process of the block 4 pushing the debris, the inclined surface can change the pushing force applied to the debris by the block 4, so that the direction of the pushing force on the block 4 is intersected with the axis of the notch 2. This allows the debris pushed out of the notch 2 by the block 4 to perform parabolic motion, reducing the phenomenon of the debris falling back into the notch 2.

[0024] like Figures 4-5 As shown, in some embodiments, the inclined surface includes at least one first inclined surface 5 disposed on the upper side of the block 4, and the number of first inclined surfaces 5 is preferably two. The two first inclined surfaces 5 are symmetrically arranged about the center line of the block 4, so that the debris on the upper side of the notch 2 can be pushed to two directions around the periphery of the notch 2 respectively.

[0025] Meanwhile, two second inclined surfaces 6 can be provided on the upper side of the block 4. The setting of the second inclined surfaces 6 can further change the direction of the pushing force applied by the block 4 to the debris, so that the debris can be pushed to the periphery of the notch 2.

[0026] like Figures 1-2 and Figures 4-5 As shown, a sealing ring mounting groove 10 is provided on the periphery of the block 4. A rubber sealing ring 11 is fixedly connected inside the sealing ring mounting groove 10. The rubber sealing ring 11 ensures the sealing between the block 4 and the inner wall of the notch groove 2, so as to reduce the possibility of debris entering the equipment groove 3 through the gap between the inner wall of the notch groove 2 and the block 4.

[0027] In some further embodiments, an inflation chamber is provided inside the rubber sealing ring 11. The inflation chamber is connected to an air pump 12 through an air guide pipe 13. The air pump 12 can control the amount of gas inside the inflation chamber, thereby adjusting the expansion range of the rubber sealing ring 11. After the block 4 has moved, the expansion range of the rubber sealing ring 11 is increased to improve the sealing between the inner wall of the notch groove 2 and the block 4. When the block 4 moves, the expansion range of the rubber sealing ring 11 is reduced to reduce the friction during the movement of the block 4.

[0028] The above description is merely a preferred embodiment of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model. Structures, devices, and operating methods not specifically described or explained in this utility model, unless otherwise specified or limited, shall be implemented using conventional methods in the field.

Claims

1. A device for preventing foreign matter from being caught in a gap of a turnout indicating rod, characterized by: The system includes a turnout indicator rod body (1) and a notch (2) opened on the turnout indicator rod body (1). The turnout indicator rod body (1) also has an equipment slot (3) located inside the notch (2). An electric lifting mechanism is fixedly connected inside the equipment slot (3). A block (4) is fixedly connected to the electric lifting mechanism. The block (4) is slidably connected inside the combined groove of the notch (2) and the equipment slot (3). An inclined surface is provided on the upper side of the block (4).

2. The anti-foreign object jamming device for the notch of a turnout indicator rod according to claim 1, characterized in that: The electric lifting mechanism includes an electromagnet (7) and a return spring (9) fixedly connected inside the equipment slot (3). One end of the return spring (9) is fixedly connected to the block (4), and the block (4) is provided with a magnetic part.

3. The anti-foreign object jamming device for the notch of a turnout indicator rod according to claim 2, characterized in that: The magnetic part is a magnet (8) or an iron block that is fixedly connected to the block (4).

4. A device for preventing foreign object jamming on a turnout indicator rod notch according to claim 2, characterized in that: The inclined surface includes at least one first inclined surface (5) disposed on the upper side of the block (4).

5. A device for preventing foreign object jamming on a turnout indicator rod notch according to claim 4, characterized in that: There are two first inclined surfaces (5), and the two first inclined surfaces (5) are symmetrically arranged with respect to the center line of the block (4).

6. A device for preventing foreign object obstruction at the notch of a turnout indicator rod according to claim 5, characterized in that: Two second inclined surfaces (6) are also provided on the upper side of the block (4).

7. A device for preventing foreign object obstruction at the notch of a turnout indicator rod according to claim 1, characterized in that: The block (4) has a sealing ring mounting groove (10) on its periphery, and a rubber sealing ring (11) is fixedly connected inside the sealing ring mounting groove (10).

8. A device for preventing foreign object jamming on a turnout indicator rod notch according to claim 7, characterized in that: The rubber sealing ring (11) has an inflation chamber inside, and the inflation chamber is connected to an air pump (12) through an air guide pipe (13).

Images