Insulation structure of rail transit safety door

Abstract

The utility model relates to the technical field of insulation of rail transit safety doors, and discloses an insulation structure of a rail transit safety door, which comprises an insulation floor, the insulation floor is fixedly mounted on the top surface of a ground cement leveling layer, and an insulation rubber pad is laid on the top of the insulation floor. After the limiting clamping groove in the rotating limiting block is clamped with the clamping block through rotation of the connecting rod, a stable supporting foundation is provided for the insulation structure of the whole rail transit safety door, so that the insulation performance is stably exerted, the insulation failure risk caused by connection looseness is reduced, the safety of passengers and equipment is guaranteed, and the service life of the whole rail transit safety door is prolonged. Through the structural design that the inserting blocks are arranged on the two sides of the rubber filling plate to be matched with the rubber filling plate, the rubber filling plate is very convenient to mount and dismount, after a limiting clamping groove in a rotating limiting block is separated from a clamping block through rotation of a connecting rod, an insulating rubber pad can be conveniently replaced, the maintenance efficiency is greatly improved, and the maintenance cost is reduced.

Description

Technical Field

[0001] This utility model relates to the field of insulation technology for rail transit safety doors, specifically to an insulation structure for a rail transit safety door. Background Technology

[0002] The platform screen door insulation layer is an insulating material installed to ensure the safety of people waiting and boarding / alighting at the platform screen doors of subway or light rail stations. It is laid on the ground about 2 meters wide from the passenger waiting area to the screen door to prevent passengers from being injured by leakage current from the door. It can also prevent residual voltage from the track from harming passengers through the screen door.

[0003] In rail transit systems, safety doors are crucial facilities for ensuring passenger safety and separating the platform from the track area. Their safety is of paramount importance. Because rail transit systems involve a large number of electrical devices and the track environment is relatively complex, there are many factors that may lead to current leakage or electrical interference. To ensure the personal safety of passengers when boarding, alighting, and staying on the platform, and to avoid electric shock accidents caused by current leakage, rail transit safety doors need to have good insulation performance to effectively isolate electrical hazards and ensure the stable operation of the entire rail transit system.

[0004] Existing insulation structures for rail transit safety doors may have some shortcomings. For example, the connection between the insulating floor and the insulating rubber pad may not be stable and reliable enough. During long-term use, factors such as personnel movement and equipment vibration may cause the connection to loosen, affecting the insulation effect. In addition, the installation, maintenance, or replacement of some insulation structures may be cumbersome, increasing operating costs and maintenance difficulty. To address these issues, we propose an insulation structure for rail transit safety doors. Utility Model Content

[0005] In view of the shortcomings of the prior art, this utility model provides an insulation structure for a rail transit safety door to solve the problems mentioned in the background art.

[0006] This utility model provides the following technical solution: an insulating structure for a rail transit safety door, comprising an insulating floor, the insulating floor being fixedly installed on the top surface of a cement leveling layer, an insulating rubber pad being laid on the top of the insulating floor, a groove being formed on the top of the insulating rubber pad, and through holes being formed on both sides of the bottom inner wall of the groove, with a connecting rod placed in the through holes, and a rotation limiting block being welded to the bottom end of the connecting rod, the rotation limiting block having an elliptical cross-section, and symmetrical limiting slots being formed in the middle of the outer ring of the rotation limiting block, the top surface of the insulating floor having limiting grooves corresponding one-to-one with the through holes formed on the insulating rubber pad, and locking blocks being welded to both sides of the inner walls of the limiting grooves, and a matching rubber filling plate being provided in the groove formed on the top of the insulating rubber pad.

[0007] As a preferred technical solution of this utility model, the limiting groove opened in the middle of the outer ring of the rotating limiting block matches the locking blocks welded to the inner walls on both sides of the limiting groove opened in the insulating floor.

[0008] As a preferred embodiment of this utility model, a rotating plate is welded to the top of the connecting rod, and a sealing rubber ring is provided on the bottom surface of the rotating plate and on the upper outer ring of the connecting rod.

[0009] As a preferred embodiment of this utility model, a rotating plate is fixedly installed on the top surface of the rotating plate, and a receiving groove is provided at the bottom of the rubber filling plate to accommodate the rotating plate.

[0010] As a preferred embodiment of the present invention, the top of the insulating rubber pad is provided with a groove, and the inner walls on both sides of the groove are provided with slots. Both sides of the rubber filling plate are provided with inserts that can be inserted into the slots on the insulating rubber pad.

[0011] As a preferred technical solution of this utility model, the top of the insulating rubber pad has a groove, and the bottom inner wall of the groove has through holes on both sides. Limiting rubber strips are fixedly installed on both sides of the inner wall. The cross-section of the rotating plate is elliptical, the cross-section of the connecting rod is circular, and the insulating floor is installed on the outside of the track shielding door.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. The insulation structure of this rail transit safety door involves placing a connecting rod inside a through hole in the bottom inner wall of the groove of the insulating rubber pad. An elliptical cross-section rotation limit block is welded to the bottom of the connecting rod. A symmetrically shaped limit groove on the outer ring of the rotation limit block matches a locking block welded to the inner wall of the limit groove on both sides of the insulating floor. This design allows for a stable connection between the insulating rubber pad and the insulating floor. When the connecting rod rotates, causing the limit groove on the rotation limit block to engage with the locking block, it effectively prevents displacement of the insulating rubber pad under external force, ensuring the reliability of the connection between the insulating rubber pad and the insulating floor. This provides a stable support foundation for the entire insulation structure of the rail transit safety door, ensuring stable insulation performance, reducing the risk of insulation failure due to loose connections, and protecting the safety of passengers and equipment.

[0014] 2. The insulation structure of this rail transit safety door features a rotating plate welded to the top of a connecting rod. The rotating plate is fixedly mounted on its top surface. Slots are provided on the inner walls of both sides of the groove in the insulating rubber pad, and inserts are provided on both sides of the rubber filling plate to cooperate with it. This structural design makes the installation and removal of the rubber filling plate very convenient. When maintenance or replacement of parts is required, the rubber filling plate can be removed with simple operation. After rotating the connecting rod to disengage the limiting slot on the rotating limiting block from the limiting block, the insulating rubber pad can be easily replaced, greatly improving maintenance efficiency and reducing maintenance costs. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0016] Figure 2 This is a schematic diagram of the installation structure of the insulating rubber pad of this utility model;

[0017] Figure 3 This is a schematic diagram of the limiting rubber strip structure installed on the insulating rubber pad of this utility model;

[0018] Figure 4 This is a schematic diagram of the rotating limiting block structure of this utility model;

[0019] Figure 5 This is a top view of the structure of this utility model;

[0020] Figure 6 This utility model Figure 5 Enlarged structural diagram of section A.

[0021] In the diagram: 1. Cement leveling layer on the ground; 2. Insulating rubber mat; 3. Insulating floor; 4. Track shielding door; 5. Rubber filling plate; 6. Connecting rod; 7. Limiting rubber strip; 8. Sealing rubber ring; 9. Rotating plate; 10. Rotating plate; 11. Rotation limit block; 12. Locking block. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Example 1: Please refer to Figures 1-6An insulating structure for a rail transit safety door includes an insulating floor 3. The insulating floor 3 is fixedly installed on the top surface of the ground cement leveling layer 1 by a suitable method, such as using adhesive or fixing bolts, to make it stable. Then, an insulating rubber pad 2 is laid on top of the insulating floor 3, and the insulating rubber pad 2 is laid flat and wrinkle-free.

[0024] A connecting rod 6 is placed in the through holes on both sides of the bottom inner wall of the groove opened on the top of the insulating rubber pad 2. The rotation limiting block 11 welded to the bottom of the connecting rod 6 then enters the corresponding space below the through hole. Since the cross-section of the rotation limiting block 11 is elliptical and the outer ring has symmetrical limiting slots in the middle, and the inner walls on both sides of the limiting slot on the top surface of the insulating floor 3 are welded with locking blocks 12, the connecting rod 6 is rotated ninety degrees so that the limiting slot of the rotation limiting block 11 matches and engages with the locking block 12, thereby achieving a stable connection between the connecting rod 6 and the insulating floor 3, and thus fixing the insulating rubber pad 2 on the insulating floor 3.

[0025] A rotating plate 9 is welded to the top of the connecting rod 6. A sealing rubber ring 8 is provided on the bottom surface of the rotating plate 9 and on the upper outer ring of the connecting rod 6. The sealing rubber ring 8 can play a certain role in sealing and buffering. A rotating plate 10 is fixedly installed on the top surface of the rotating plate 9. The rubber filling plate 5 is placed into the groove on the top of the insulating rubber pad 2. The receiving groove opened at the bottom of the rubber filling plate 5 can accommodate the rotating plate 10, so that the rotating plate 10 is located in the receiving groove, which can limit the rotation plate 10. After the rotating plate 10 rotates, the connecting rod 6 is driven to rotate through the rotating plate 9, which can then lock the limiting slot of the rotation limiting block 11 onto the locking block 12. When the rubber filling plate 5 is installed in the groove opened at the top of the insulating rubber pad 2, the rotating plate 10 will be located in the receiving groove opened at the bottom of the rubber filling plate 5, which can limit the rotation plate 10 and prevent the rotating plate 10 from rotating on its own. At the same time, slots are opened on the inner walls of both sides of the groove at the top of the insulating rubber pad 2. The inserts on both sides of the rubber filling plate 5 are inserted into the slots, which further enhances the installation stability of the rubber filling plate 5.

[0026] Limiting rubber strips 7 are fixedly installed on the inner walls of the bottom of the top groove of the insulating rubber pad 2 and the inner walls of the through holes on both sides. When the rotating plate 9 is rotated by the rotating plate 10, the rotating plate 9 will squeeze the limiting rubber strips 7. After the rotating plate 9 is rotated to the position, the limiting rubber strips 7 can limit the rotating plate 9 and prevent the rotating plate 9 from rotating on its own. When it is necessary to disassemble or replace the parts, simply rotate the rotating plate 10 in the opposite direction, and the rotating plate 9 will drive the connecting rod 6 to rotate, thereby causing the limiting slot of the rotating limiting block 11 to disengage from the locking block 12, so that the connecting rod 6 and related parts can be taken out. The operation is convenient. The insulating floor 3 is installed on the outside of the track shielding door 4 to provide insulation protection for the track shielding door 4.

[0027] Example 2: Please refer to Figures 1-6 The installation process of the insulation structure of the rail transit safety door in this embodiment is similar to that in Embodiment 1, but there are some differences in details. Similarly, the insulating floor 3 is first installed on the cement leveling layer 1, and then the insulating rubber pad 2 is laid. When placing the connecting rod 6, a layer of lubricant can be applied to the surface of the connecting rod 6 to make the subsequent rotation operation smoother. Rotating the connecting rod 6 makes the limiting slot of the rotating limiting block 11 engage with the locking block 12. The sealing rubber ring 8 at the bottom of the rotating plate 9 can be appropriately compressed before installation so that it can better fit in the corresponding position after installation and enhance the sealing effect. When installing the rubber filling plate 5, in addition to using the cooperation of the insert and the slot, the rubber filling plate 5 is further fixed in the receiving groove at the bottom of the rotating plate 10 to prevent the rubber filling plate 5 from shifting.

[0028] If aging or wear is found in the insulating rubber pad 2 and rubber filler plate 5 during daily use, the connecting rod 6 can be removed first, and then the new insulating rubber pad 2 and rubber filler plate 5 can be replaced. Then the connecting rod 6 can be reinstalled to restore the normal performance of the insulation structure. The insulating floor 3 continuously provides reliable insulation protection for the outside of the track shielding door 4.

[0029] Example 3: Please refer to Figures 1-6 Based on Embodiment 1, the insulation structure of the rail transit safety door in this embodiment has been optimized in terms of the material and installation process of some components. The insulating floor 3 is made of a new composite material with higher insulation and wear resistance. The insulating rubber pad 2 is made of highly elastic and highly flame-retardant rubber material, and it must be laid flat and tight.

[0030] When installing the connecting rod 6, the contact surfaces of the rotating limit block 11 and the locking block 12 are specially treated to increase the surface roughness, thereby improving the friction between the two and making the connection more stable. At the same time, the upper and lower corners of the locking block 12 in the direction of rotation of the rotating limit block 11 are chamfered to facilitate the locking slots opened on the rotating limit block 11 to be engaged with the locking block 12. The rotating plate 9 is made of lightweight and high-strength alloy material and the surface is treated with anti-corrosion to extend its service life.

[0031] The limiting rubber strip 7 on the inner wall of the groove at the top of the insulating rubber pad 2 is made of rubber material with good elasticity and memory function, which can better adapt to the shaking of the connecting rod 6 and maintain a stable limiting effect. After the insulating floor 3 is installed, a comprehensive insulation performance test is carried out on the entire insulation structure to ensure that it meets the rail transit safety standards and provides reliable insulation protection for the rail screen door 4.

[0032] Implementation effect: By placing a connecting rod 6 in the through hole at the bottom of the groove of the insulating rubber pad 2, and welding an elliptical cross-section rotating limit block 11 to the bottom of the connecting rod 6, the symmetrical limit slots in the middle of the outer ring of the rotating limit block 11 match the locking blocks 12 welded to the inner walls of the limit grooves on both sides of the insulating floor 3, this design enables a stable connection structure between the insulating rubber pad 2 and the insulating floor 3. When the connecting rod 6 rotates and the limit slots on the rotating limit block 11 engage with the locking blocks 12, it can effectively prevent the insulating rubber pad 2 from shifting under external force, ensuring the reliability of the connection between the insulating rubber pad 2 and the insulating floor 3. This provides a stable support foundation for the insulation structure of the entire rail transit safety door, ensuring stable insulation performance, reducing the risk of insulation failure due to loose connections, and protecting the safety of passengers and equipment.

[0033] A rotating plate 9 is welded to the top of the connecting rod 6, and a rotating plate 10 is fixedly installed on the top surface of the rotating plate 9. Slots are opened on both sides of the groove of the insulating rubber pad 2, and the rubber filling plate 5 is provided with inserts on both sides to cooperate with it. The structural design makes the installation and removal of the rubber filling plate 5 very convenient. When maintenance or replacement of parts is required, the rubber filling plate 5 can be removed with simple operation. After rotating the connecting rod 6 to disengage the limiting slot on the rotating limiting block 11 from the locking block 12, the insulating rubber pad 2 can be easily replaced, which greatly improves maintenance efficiency and reduces maintenance costs.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An insulation structure for a railway safety door, comprising an insulating floor (3), characterized in that: The insulating floor (3) is fixedly installed on the top surface of the cement leveling layer (1) on the ground. An insulating rubber pad (2) is laid on the top of the insulating floor (3). A groove is opened on the top of the insulating rubber pad (2), and through holes are opened on both sides of the bottom inner wall of the groove. A connecting rod (6) is placed in the through hole. A rotation limiting block (11) is welded to the bottom end of the connecting rod (6). The cross-section of the rotation limiting block (11) is elliptical, and a limiting slot is symmetrically opened in the middle of the outer ring of the rotation limiting block (11). A limiting groove is opened on the top surface of the insulating floor (3) that corresponds one-to-one with the through holes opened on the insulating rubber pad (2). A locking block (12) is welded to the inner wall of both sides of the limiting groove. A matching rubber filling plate (5) is set in the groove opened on the top of the insulating rubber pad (2).

2. The insulated structure of a rail transit safety door according to claim 1, characterized in that: The limiting groove in the middle of the outer ring of the rotating limiting block (11) matches the locking block (12) welded to the inner wall of the limiting groove on both sides of the insulating floor (3).

3. The insulated structure of a transit safety door according to claim 1, wherein: A rotating plate (9) is welded to the top of the connecting rod (6), and a sealing rubber ring (8) is provided on the bottom surface of the rotating plate (9) and on the upper outer ring of the connecting rod (6).

4. The insulated structure of a transit safety door according to claim 3, wherein: The rotating plate (9) has a rotating plate (10) fixedly installed on its top surface, and the bottom of the rubber filling plate (5) has a receiving groove that can accommodate the rotating plate (10).

5. The insulated structure of a transit safety door according to claim 1, wherein: The top of the insulating rubber pad (2) has a groove, and the inner walls on both sides of the groove have slots. Both sides of the rubber filling plate (5) are provided with inserts that can be inserted into the slots on the insulating rubber pad (2).

6. The insulation structure of a rail transit safety door according to claim 3, characterized in that: The top of the insulating rubber pad (2) has a groove, and the bottom inner wall of the groove has through holes on both sides. Limiting rubber strips (7) are fixedly installed on both sides of the inner wall. The rotating plate (9) has an elliptical cross-section, the connecting rod (6) has a circular cross-section, and the insulating floor (3) is installed on the outside of the track shielding door (4).

Images